Line data Source code
1 : /*-------------------------------------------------------------------------
2 : *
3 : * Query-result printing support for frontend code
4 : *
5 : * This file used to be part of psql, but now it's separated out to allow
6 : * other frontend programs to use it. Because the printing code needs
7 : * access to the cancel_pressed flag as well as SIGPIPE trapping and
8 : * pager open/close functions, all that stuff came with it.
9 : *
10 : *
11 : * Portions Copyright (c) 1996-2026, PostgreSQL Global Development Group
12 : * Portions Copyright (c) 1994, Regents of the University of California
13 : *
14 : * src/fe_utils/print.c
15 : *
16 : *-------------------------------------------------------------------------
17 : */
18 : #include "postgres_fe.h"
19 :
20 : #include <limits.h>
21 : #include <math.h>
22 : #include <unistd.h>
23 :
24 : #ifndef WIN32
25 : #include <sys/ioctl.h> /* for ioctl() */
26 : #endif
27 :
28 : #ifdef HAVE_TERMIOS_H
29 : #include <termios.h>
30 : #endif
31 :
32 : #include "catalog/pg_type_d.h"
33 : #include "fe_utils/mbprint.h"
34 : #include "fe_utils/print.h"
35 :
36 : /* Presently, count_table_lines() is only used within #ifdef TIOCGWINSZ */
37 : #ifdef TIOCGWINSZ
38 : #define NEED_COUNT_TABLE_LINES
39 : #endif
40 :
41 : /*
42 : * If the calling program doesn't have any mechanism for setting
43 : * cancel_pressed, it will have no effect.
44 : *
45 : * Note: print.c's general strategy for when to check cancel_pressed is to do
46 : * so at completion of each row of output.
47 : */
48 : volatile sig_atomic_t cancel_pressed = false;
49 :
50 : static bool always_ignore_sigpipe = false;
51 :
52 : /* info for locale-aware numeric formatting; set up by setDecimalLocale() */
53 : static char *decimal_point;
54 : static int groupdigits;
55 : static char *thousands_sep;
56 :
57 : static char default_footer[100];
58 : static printTableFooter default_footer_cell = {default_footer, NULL};
59 :
60 : /* Line style control structures */
61 : const printTextFormat pg_asciiformat =
62 : {
63 : "ascii",
64 : {
65 : {"-", "+", "+", "+"},
66 : {"-", "+", "+", "+"},
67 : {"-", "+", "+", "+"},
68 : {"", "|", "|", "|"}
69 : },
70 : "|",
71 : "|",
72 : "|",
73 : " ",
74 : "+",
75 : " ",
76 : "+",
77 : ".",
78 : ".",
79 : true
80 : };
81 :
82 : const printTextFormat pg_asciiformat_old =
83 : {
84 : "old-ascii",
85 : {
86 : {"-", "+", "+", "+"},
87 : {"-", "+", "+", "+"},
88 : {"-", "+", "+", "+"},
89 : {"", "|", "|", "|"}
90 : },
91 : ":",
92 : ";",
93 : " ",
94 : "+",
95 : " ",
96 : " ",
97 : " ",
98 : " ",
99 : " ",
100 : false
101 : };
102 :
103 : /* Default unicode linestyle format */
104 : printTextFormat pg_utf8format;
105 :
106 : typedef struct unicodeStyleRowFormat
107 : {
108 : const char *horizontal;
109 : const char *vertical_and_right[2];
110 : const char *vertical_and_left[2];
111 : } unicodeStyleRowFormat;
112 :
113 : typedef struct unicodeStyleColumnFormat
114 : {
115 : const char *vertical;
116 : const char *vertical_and_horizontal[2];
117 : const char *up_and_horizontal[2];
118 : const char *down_and_horizontal[2];
119 : } unicodeStyleColumnFormat;
120 :
121 : typedef struct unicodeStyleBorderFormat
122 : {
123 : const char *up_and_right;
124 : const char *vertical;
125 : const char *down_and_right;
126 : const char *horizontal;
127 : const char *down_and_left;
128 : const char *left_and_right;
129 : } unicodeStyleBorderFormat;
130 :
131 : typedef struct unicodeStyleFormat
132 : {
133 : unicodeStyleRowFormat row_style[2];
134 : unicodeStyleColumnFormat column_style[2];
135 : unicodeStyleBorderFormat border_style[2];
136 : const char *header_nl_left;
137 : const char *header_nl_right;
138 : const char *nl_left;
139 : const char *nl_right;
140 : const char *wrap_left;
141 : const char *wrap_right;
142 : bool wrap_right_border;
143 : } unicodeStyleFormat;
144 :
145 : static const unicodeStyleFormat unicode_style = {
146 : {
147 : {
148 : /* U+2500 Box Drawings Light Horizontal */
149 : "\342\224\200",
150 :
151 : /*--
152 : * U+251C Box Drawings Light Vertical and Right,
153 : * U+255F Box Drawings Vertical Double and Right Single
154 : *--
155 : */
156 : {"\342\224\234", "\342\225\237"},
157 :
158 : /*--
159 : * U+2524 Box Drawings Light Vertical and Left,
160 : * U+2562 Box Drawings Vertical Double and Left Single
161 : *--
162 : */
163 : {"\342\224\244", "\342\225\242"},
164 : },
165 : {
166 : /* U+2550 Box Drawings Double Horizontal */
167 : "\342\225\220",
168 :
169 : /*--
170 : * U+255E Box Drawings Vertical Single and Right Double,
171 : * U+2560 Box Drawings Double Vertical and Right
172 : *--
173 : */
174 : {"\342\225\236", "\342\225\240"},
175 :
176 : /*--
177 : * U+2561 Box Drawings Vertical Single and Left Double,
178 : * U+2563 Box Drawings Double Vertical and Left
179 : *--
180 : */
181 : {"\342\225\241", "\342\225\243"},
182 : },
183 : },
184 : {
185 : {
186 : /* U+2502 Box Drawings Light Vertical */
187 : "\342\224\202",
188 :
189 : /*--
190 : * U+253C Box Drawings Light Vertical and Horizontal,
191 : * U+256A Box Drawings Vertical Single and Horizontal Double
192 : *--
193 : */
194 : {"\342\224\274", "\342\225\252"},
195 :
196 : /*--
197 : * U+2534 Box Drawings Light Up and Horizontal,
198 : * U+2567 Box Drawings Up Single and Horizontal Double
199 : *--
200 : */
201 : {"\342\224\264", "\342\225\247"},
202 :
203 : /*--
204 : * U+252C Box Drawings Light Down and Horizontal,
205 : * U+2564 Box Drawings Down Single and Horizontal Double
206 : *--
207 : */
208 : {"\342\224\254", "\342\225\244"},
209 : },
210 : {
211 : /* U+2551 Box Drawings Double Vertical */
212 : "\342\225\221",
213 :
214 : /*--
215 : * U+256B Box Drawings Vertical Double and Horizontal Single,
216 : * U+256C Box Drawings Double Vertical and Horizontal
217 : *--
218 : */
219 : {"\342\225\253", "\342\225\254"},
220 :
221 : /*--
222 : * U+2568 Box Drawings Up Double and Horizontal Single,
223 : * U+2569 Box Drawings Double Up and Horizontal
224 : *--
225 : */
226 : {"\342\225\250", "\342\225\251"},
227 :
228 : /*--
229 : * U+2565 Box Drawings Down Double and Horizontal Single,
230 : * U+2566 Box Drawings Double Down and Horizontal
231 : *--
232 : */
233 : {"\342\225\245", "\342\225\246"},
234 : },
235 : },
236 : {
237 : /*--
238 : * U+2514 Box Drawings Light Up and Right,
239 : * U+2502 Box Drawings Light Vertical,
240 : * U+250C Box Drawings Light Down and Right,
241 : * U+2500 Box Drawings Light Horizontal,
242 : * U+2510 Box Drawings Light Down and Left,
243 : * U+2518 Box Drawings Light Up and Left
244 : *--
245 : */
246 : {"\342\224\224", "\342\224\202", "\342\224\214", "\342\224\200", "\342\224\220", "\342\224\230"},
247 :
248 : /*--
249 : * U+255A Box Drawings Double Up and Right,
250 : * U+2551 Box Drawings Double Vertical,
251 : * U+2554 Box Drawings Double Down and Right,
252 : * U+2550 Box Drawings Double Horizontal,
253 : * U+2557 Box Drawings Double Down and Left,
254 : * U+255D Box Drawings Double Up and Left
255 : *--
256 : */
257 : {"\342\225\232", "\342\225\221", "\342\225\224", "\342\225\220", "\342\225\227", "\342\225\235"},
258 : },
259 : " ",
260 : /* U+21B5 Downwards Arrow with Corner Leftwards */
261 : "\342\206\265",
262 : " ",
263 : /* U+21B5 Downwards Arrow with Corner Leftwards */
264 : "\342\206\265",
265 : /* U+2026 Horizontal Ellipsis */
266 : "\342\200\246",
267 : "\342\200\246",
268 : true
269 : };
270 :
271 :
272 : /* Local functions */
273 : static int strlen_max_width(unsigned char *str, int *target_width, int encoding);
274 : static FILE *PageOutputInternal(int lines, const printTableOpt *topt,
275 : const printTableContent *cont,
276 : const unsigned int *width_wrap,
277 : bool vertical);
278 : static void IsPagerNeeded(const printTableContent *cont,
279 : const unsigned int *width_wrap,
280 : bool vertical,
281 : FILE **fout, bool *is_pager);
282 : #ifdef NEED_COUNT_TABLE_LINES
283 : static int count_table_lines(const printTableContent *cont,
284 : const unsigned int *width_wrap,
285 : bool vertical,
286 : int threshold);
287 : #endif
288 : static void print_aligned_vertical(const printTableContent *cont,
289 : FILE *fout, bool is_pager);
290 :
291 :
292 : /* Count number of digits in integral part of number */
293 : static int
294 128 : integer_digits(const char *my_str)
295 : {
296 : /* ignoring any sign ... */
297 128 : if (my_str[0] == '-' || my_str[0] == '+')
298 24 : my_str++;
299 : /* ... count initial integral digits */
300 128 : return strspn(my_str, "0123456789");
301 : }
302 :
303 : /* Compute additional length required for locale-aware numeric output */
304 : static int
305 64 : additional_numeric_locale_len(const char *my_str)
306 : {
307 64 : int int_len = integer_digits(my_str),
308 64 : len = 0;
309 :
310 : /* Account for added thousands_sep instances */
311 64 : if (int_len > groupdigits)
312 0 : len += ((int_len - 1) / groupdigits) * strlen(thousands_sep);
313 :
314 : /* Account for possible additional length of decimal_point */
315 64 : if (strchr(my_str, '.') != NULL)
316 0 : len += strlen(decimal_point) - 1;
317 :
318 64 : return len;
319 : }
320 :
321 : /*
322 : * Format a numeric value per current LC_NUMERIC locale setting
323 : *
324 : * Returns the appropriately formatted string in a new allocated block,
325 : * caller must free.
326 : *
327 : * setDecimalLocale() must have been called earlier.
328 : */
329 : static char *
330 64 : format_numeric_locale(const char *my_str)
331 : {
332 : char *new_str;
333 : int new_len,
334 : int_len,
335 : leading_digits,
336 : i,
337 : new_str_pos;
338 :
339 : /*
340 : * If the string doesn't look like a number, return it unchanged. This
341 : * check is essential to avoid mangling already-localized "money" values.
342 : */
343 64 : if (strspn(my_str, "0123456789+-.eE") != strlen(my_str))
344 0 : return pg_strdup(my_str);
345 :
346 64 : new_len = strlen(my_str) + additional_numeric_locale_len(my_str);
347 64 : new_str = pg_malloc_array(char, (new_len + 1));
348 64 : new_str_pos = 0;
349 64 : int_len = integer_digits(my_str);
350 :
351 : /* number of digits in first thousands group */
352 64 : leading_digits = int_len % groupdigits;
353 64 : if (leading_digits == 0)
354 12 : leading_digits = groupdigits;
355 :
356 : /* process sign */
357 64 : if (my_str[0] == '-' || my_str[0] == '+')
358 : {
359 12 : new_str[new_str_pos++] = my_str[0];
360 12 : my_str++;
361 : }
362 :
363 : /* process integer part of number */
364 152 : for (i = 0; i < int_len; i++)
365 : {
366 : /* Time to insert separator? */
367 88 : if (i > 0 && --leading_digits == 0)
368 : {
369 0 : strcpy(&new_str[new_str_pos], thousands_sep);
370 0 : new_str_pos += strlen(thousands_sep);
371 0 : leading_digits = groupdigits;
372 : }
373 88 : new_str[new_str_pos++] = my_str[i];
374 : }
375 :
376 : /* handle decimal point if any */
377 64 : if (my_str[i] == '.')
378 : {
379 0 : strcpy(&new_str[new_str_pos], decimal_point);
380 0 : new_str_pos += strlen(decimal_point);
381 0 : i++;
382 : }
383 :
384 : /* copy the rest (fractional digits and/or exponent, and \0 terminator) */
385 64 : strcpy(&new_str[new_str_pos], &my_str[i]);
386 :
387 : /* assert we didn't underestimate new_len (an overestimate is OK) */
388 : Assert(strlen(new_str) <= new_len);
389 :
390 64 : return new_str;
391 : }
392 :
393 :
394 : static void
395 1821682 : print_separator(struct separator sep, FILE *fout)
396 : {
397 1821682 : if (sep.separator_zero)
398 0 : fputc('\000', fout);
399 1821682 : else if (sep.separator)
400 1821682 : fputs(sep.separator, fout);
401 1821682 : }
402 :
403 :
404 : /*
405 : * Return the list of explicitly-requested footers or, when applicable, the
406 : * default "(xx rows)" footer. Always omit the default footer when given
407 : * non-default footers, "\pset footer off", or a specific instruction to that
408 : * effect from a calling backslash command. Vertical formats number each row,
409 : * making the default footer redundant; they do not call this function.
410 : *
411 : * The return value may point to static storage; do not keep it across calls.
412 : */
413 : static printTableFooter *
414 96788 : footers_with_default(const printTableContent *cont)
415 : {
416 96788 : if (cont->footers == NULL && cont->opt->default_footer)
417 : {
418 : unsigned long total_records;
419 :
420 93808 : total_records = cont->opt->prior_records + cont->nrows;
421 93808 : snprintf(default_footer, sizeof(default_footer),
422 93808 : ngettext("(%lu row)", "(%lu rows)", total_records),
423 : total_records);
424 :
425 93808 : return &default_footer_cell;
426 : }
427 : else
428 2980 : return cont->footers;
429 : }
430 :
431 :
432 : /*************************/
433 : /* Unaligned text */
434 : /*************************/
435 :
436 :
437 : static void
438 9486 : print_unaligned_text(const printTableContent *cont, FILE *fout)
439 : {
440 9486 : bool opt_tuples_only = cont->opt->tuples_only;
441 : unsigned int i;
442 : const char *const *ptr;
443 9486 : bool need_recordsep = false;
444 :
445 9486 : if (cancel_pressed)
446 0 : return;
447 :
448 9486 : if (cont->opt->start_table)
449 : {
450 : /* print title */
451 9486 : if (!opt_tuples_only && cont->title)
452 : {
453 5 : fputs(cont->title, fout);
454 5 : print_separator(cont->opt->recordSep, fout);
455 : }
456 :
457 : /* print headers */
458 9486 : if (!opt_tuples_only)
459 : {
460 258 : for (ptr = cont->headers; *ptr; ptr++)
461 : {
462 179 : if (ptr != cont->headers)
463 100 : print_separator(cont->opt->fieldSep, fout);
464 179 : fputs(*ptr, fout);
465 : }
466 79 : need_recordsep = true;
467 : }
468 : }
469 : else
470 : /* assume continuing printout */
471 0 : need_recordsep = true;
472 :
473 : /* print cells */
474 1837932 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
475 : {
476 1828446 : if (need_recordsep)
477 : {
478 877996 : print_separator(cont->opt->recordSep, fout);
479 877996 : need_recordsep = false;
480 877996 : if (cancel_pressed)
481 0 : break;
482 : }
483 1828446 : fputs(*ptr, fout);
484 :
485 1828446 : if ((i + 1) % cont->ncolumns)
486 941375 : print_separator(cont->opt->fieldSep, fout);
487 : else
488 887071 : need_recordsep = true;
489 : }
490 :
491 : /* print footers */
492 9486 : if (cont->opt->stop_table)
493 : {
494 9486 : printTableFooter *footers = footers_with_default(cont);
495 :
496 9486 : if (!opt_tuples_only && footers != NULL && !cancel_pressed)
497 : {
498 : printTableFooter *f;
499 :
500 159 : for (f = footers; f; f = f->next)
501 : {
502 80 : if (need_recordsep)
503 : {
504 80 : print_separator(cont->opt->recordSep, fout);
505 80 : need_recordsep = false;
506 : }
507 80 : fputs(f->data, fout);
508 80 : need_recordsep = true;
509 : }
510 : }
511 :
512 : /*
513 : * The last record is terminated by a newline, independent of the set
514 : * record separator. But when the record separator is a zero byte, we
515 : * use that (compatible with find -print0 and xargs).
516 : */
517 9486 : if (need_recordsep)
518 : {
519 9154 : if (cont->opt->recordSep.separator_zero)
520 0 : print_separator(cont->opt->recordSep, fout);
521 : else
522 9154 : fputc('\n', fout);
523 : }
524 : }
525 : }
526 :
527 :
528 : static void
529 69 : print_unaligned_vertical(const printTableContent *cont, FILE *fout)
530 : {
531 69 : bool opt_tuples_only = cont->opt->tuples_only;
532 : unsigned int i;
533 : const char *const *ptr;
534 69 : bool need_recordsep = false;
535 :
536 69 : if (cancel_pressed)
537 0 : return;
538 :
539 69 : if (cont->opt->start_table)
540 : {
541 : /* print title */
542 69 : if (!opt_tuples_only && cont->title)
543 : {
544 4 : fputs(cont->title, fout);
545 4 : need_recordsep = true;
546 : }
547 : }
548 : else
549 : /* assume continuing printout */
550 0 : need_recordsep = true;
551 :
552 : /* print records */
553 973 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
554 : {
555 904 : if (need_recordsep)
556 : {
557 : /* record separator is 2 occurrences of recordsep in this mode */
558 375 : print_separator(cont->opt->recordSep, fout);
559 375 : print_separator(cont->opt->recordSep, fout);
560 375 : need_recordsep = false;
561 375 : if (cancel_pressed)
562 0 : break;
563 : }
564 :
565 904 : fputs(cont->headers[i % cont->ncolumns], fout);
566 904 : print_separator(cont->opt->fieldSep, fout);
567 904 : fputs(*ptr, fout);
568 :
569 904 : if ((i + 1) % cont->ncolumns)
570 464 : print_separator(cont->opt->recordSep, fout);
571 : else
572 440 : need_recordsep = true;
573 : }
574 :
575 69 : if (cont->opt->stop_table)
576 : {
577 : /* print footers */
578 69 : if (!opt_tuples_only && cont->footers != NULL && !cancel_pressed)
579 : {
580 : printTableFooter *f;
581 :
582 4 : print_separator(cont->opt->recordSep, fout);
583 8 : for (f = cont->footers; f; f = f->next)
584 : {
585 4 : print_separator(cont->opt->recordSep, fout);
586 4 : fputs(f->data, fout);
587 : }
588 : }
589 :
590 : /* see above in print_unaligned_text() */
591 69 : if (need_recordsep)
592 : {
593 69 : if (cont->opt->recordSep.separator_zero)
594 0 : print_separator(cont->opt->recordSep, fout);
595 : else
596 69 : fputc('\n', fout);
597 : }
598 : }
599 : }
600 :
601 :
602 : /********************/
603 : /* Aligned text */
604 : /********************/
605 :
606 :
607 : /* draw "line" */
608 : static void
609 87104 : _print_horizontal_line(const unsigned int ncolumns, const unsigned int *widths,
610 : unsigned short border, printTextRule pos,
611 : const printTextFormat *format,
612 : FILE *fout)
613 : {
614 87104 : const printTextLineFormat *lformat = &format->lrule[pos];
615 : unsigned int i,
616 : j;
617 :
618 87104 : if (border == 1)
619 86976 : fputs(lformat->hrule, fout);
620 128 : else if (border == 2)
621 96 : fprintf(fout, "%s%s", lformat->leftvrule, lformat->hrule);
622 :
623 257550 : for (i = 0; i < ncolumns; i++)
624 : {
625 2725541 : for (j = 0; j < widths[i]; j++)
626 2555095 : fputs(lformat->hrule, fout);
627 :
628 170446 : if (i < ncolumns - 1)
629 : {
630 83478 : if (border == 0)
631 32 : fputc(' ', fout);
632 : else
633 83446 : fprintf(fout, "%s%s%s", lformat->hrule,
634 83446 : lformat->midvrule, lformat->hrule);
635 : }
636 : }
637 :
638 87104 : if (border == 2)
639 96 : fprintf(fout, "%s%s", lformat->hrule, lformat->rightvrule);
640 87008 : else if (border == 1)
641 86976 : fputs(lformat->hrule, fout);
642 :
643 87104 : fputc('\n', fout);
644 87104 : }
645 :
646 :
647 : /*
648 : * Print pretty boxes around cells.
649 : */
650 : static void
651 87236 : print_aligned_text(const printTableContent *cont, FILE *fout, bool is_pager)
652 : {
653 87236 : bool opt_tuples_only = cont->opt->tuples_only;
654 87236 : int encoding = cont->opt->encoding;
655 87236 : unsigned short opt_border = cont->opt->border;
656 87236 : const printTextFormat *format = get_line_style(cont->opt);
657 87236 : const printTextLineFormat *dformat = &format->lrule[PRINT_RULE_DATA];
658 :
659 87236 : unsigned int col_count = 0,
660 87236 : cell_count = 0;
661 :
662 : unsigned int i,
663 : j;
664 :
665 : unsigned int *width_header,
666 : *max_width,
667 : *width_wrap,
668 : *width_average;
669 : unsigned int *max_nl_lines, /* value split by newlines */
670 : *curr_nl_line,
671 : *max_bytes;
672 : unsigned char **format_buf;
673 : unsigned int width_total;
674 : unsigned int total_header_width;
675 :
676 : const char *const *ptr;
677 :
678 : struct lineptr **col_lineptrs; /* pointers to line pointer per column */
679 :
680 : bool *header_done; /* Have all header lines been output? */
681 : int *bytes_output; /* Bytes output for column value */
682 : printTextLineWrap *wrap; /* Wrap status for each column */
683 87236 : int output_columns = 0; /* Width of interactive console */
684 87236 : bool is_local_pager = false;
685 :
686 87236 : if (cancel_pressed)
687 0 : return;
688 :
689 87236 : if (opt_border > 2)
690 0 : opt_border = 2;
691 :
692 87236 : if (cont->ncolumns > 0)
693 : {
694 87100 : col_count = cont->ncolumns;
695 87100 : width_header = pg_malloc0_array(unsigned int, col_count);
696 87100 : width_average = pg_malloc0_array(unsigned int, col_count);
697 87100 : max_width = pg_malloc0_array(unsigned int, col_count);
698 87100 : width_wrap = pg_malloc0_array(unsigned int, col_count);
699 87100 : max_nl_lines = pg_malloc0_array(unsigned int, col_count);
700 87100 : curr_nl_line = pg_malloc0_array(unsigned int, col_count);
701 87100 : col_lineptrs = pg_malloc0_array(struct lineptr *, col_count);
702 87100 : max_bytes = pg_malloc0_array(unsigned int, col_count);
703 87100 : format_buf = pg_malloc0_array(unsigned char *, col_count);
704 87100 : header_done = pg_malloc0_array(bool, col_count);
705 87100 : bytes_output = pg_malloc0_array(int, col_count);
706 87100 : wrap = pg_malloc0_array(printTextLineWrap, col_count);
707 : }
708 : else
709 : {
710 136 : width_header = NULL;
711 136 : width_average = NULL;
712 136 : max_width = NULL;
713 136 : width_wrap = NULL;
714 136 : max_nl_lines = NULL;
715 136 : curr_nl_line = NULL;
716 136 : col_lineptrs = NULL;
717 136 : max_bytes = NULL;
718 136 : format_buf = NULL;
719 136 : header_done = NULL;
720 136 : bytes_output = NULL;
721 136 : wrap = NULL;
722 : }
723 :
724 : /* scan all column headers, find maximum width and max max_nl_lines */
725 258062 : for (i = 0; i < col_count; i++)
726 : {
727 : int width,
728 : nl_lines,
729 : bytes_required;
730 :
731 170826 : pg_wcssize((const unsigned char *) cont->headers[i], strlen(cont->headers[i]),
732 : encoding, &width, &nl_lines, &bytes_required);
733 170826 : if (width > max_width[i])
734 170802 : max_width[i] = width;
735 170826 : if (nl_lines > max_nl_lines[i])
736 170826 : max_nl_lines[i] = nl_lines;
737 170826 : if (bytes_required > max_bytes[i])
738 170826 : max_bytes[i] = bytes_required;
739 :
740 170826 : width_header[i] = width;
741 : }
742 :
743 : /* scan all cells, find maximum width, compute cell_count */
744 846315 : for (i = 0, ptr = cont->cells; *ptr; ptr++, cell_count++)
745 : {
746 : int width,
747 : nl_lines,
748 : bytes_required;
749 :
750 759079 : pg_wcssize((const unsigned char *) *ptr, strlen(*ptr), encoding,
751 : &width, &nl_lines, &bytes_required);
752 :
753 759079 : if (width > max_width[i])
754 94689 : max_width[i] = width;
755 759079 : if (nl_lines > max_nl_lines[i])
756 1203 : max_nl_lines[i] = nl_lines;
757 759079 : if (bytes_required > max_bytes[i])
758 95069 : max_bytes[i] = bytes_required;
759 :
760 759079 : width_average[i] += width;
761 :
762 : /* i is the current column number: increment with wrap */
763 759079 : if (++i >= col_count)
764 322563 : i = 0;
765 : }
766 :
767 : /* If we have rows, compute average */
768 87236 : if (col_count != 0 && cell_count != 0)
769 : {
770 82706 : int rows = cell_count / col_count;
771 :
772 242450 : for (i = 0; i < col_count; i++)
773 159744 : width_average[i] /= rows;
774 : }
775 :
776 : /* adjust the total display width based on border style */
777 87236 : if (opt_border == 0)
778 32 : width_total = col_count;
779 87204 : else if (opt_border == 1)
780 87172 : width_total = col_count * 3 - ((col_count > 0) ? 1 : 0);
781 : else
782 32 : width_total = col_count * 3 + 1;
783 87236 : total_header_width = width_total;
784 :
785 258062 : for (i = 0; i < col_count; i++)
786 : {
787 170826 : width_total += max_width[i];
788 170826 : total_header_width += width_header[i];
789 : }
790 :
791 : /*
792 : * At this point: max_width[] contains the max width of each column,
793 : * max_nl_lines[] contains the max number of lines in each column,
794 : * max_bytes[] contains the maximum storage space for formatting strings,
795 : * width_total contains the giant width sum. Now we allocate some memory
796 : * for line pointers.
797 : */
798 258062 : for (i = 0; i < col_count; i++)
799 : {
800 : /* Add entry for ptr == NULL array termination */
801 170826 : col_lineptrs[i] = pg_malloc0_array(struct lineptr,
802 : (max_nl_lines[i] + 1));
803 :
804 170826 : format_buf[i] = pg_malloc_array(unsigned char, (max_bytes[i] + 1));
805 :
806 170826 : col_lineptrs[i]->ptr = format_buf[i];
807 : }
808 :
809 : /* Default word wrap to the full width, i.e. no word wrap */
810 258062 : for (i = 0; i < col_count; i++)
811 170826 : width_wrap[i] = max_width[i];
812 :
813 : /*
814 : * Choose target output width: \pset columns, or $COLUMNS, or ioctl
815 : */
816 87236 : if (cont->opt->columns > 0)
817 900 : output_columns = cont->opt->columns;
818 86336 : else if ((fout == stdout && isatty(fileno(stdout))) || is_pager)
819 : {
820 68 : if (cont->opt->env_columns > 0)
821 0 : output_columns = cont->opt->env_columns;
822 : #ifdef TIOCGWINSZ
823 : else
824 : {
825 : struct winsize screen_size;
826 :
827 68 : if (ioctl(fileno(stdout), TIOCGWINSZ, &screen_size) != -1)
828 0 : output_columns = screen_size.ws_col;
829 : }
830 : #endif
831 : }
832 :
833 87236 : if (cont->opt->format == PRINT_WRAPPED)
834 : {
835 : /*
836 : * Optional optimized word wrap. Shrink columns with a high max/avg
837 : * ratio. Slightly bias against wider columns. (Increases chance a
838 : * narrow column will fit in its cell.) If available columns is
839 : * positive... and greater than the width of the unshrinkable column
840 : * headers
841 : */
842 96 : if (output_columns > 0 && output_columns >= total_header_width)
843 : {
844 : /* While there is still excess width... */
845 176 : while (width_total > output_columns)
846 : {
847 128 : double max_ratio = 0;
848 128 : int worst_col = -1;
849 :
850 : /*
851 : * Find column that has the highest ratio of its maximum width
852 : * compared to its average width. This tells us which column
853 : * will produce the fewest wrapped values if shortened.
854 : * width_wrap starts as equal to max_width.
855 : */
856 384 : for (i = 0; i < col_count; i++)
857 : {
858 256 : if (width_average[i] && width_wrap[i] > width_header[i])
859 : {
860 : /* Penalize wide columns by 1% of their width */
861 : double ratio;
862 :
863 256 : ratio = (double) width_wrap[i] / width_average[i] +
864 256 : max_width[i] * 0.01;
865 256 : if (ratio > max_ratio)
866 : {
867 168 : max_ratio = ratio;
868 168 : worst_col = i;
869 : }
870 : }
871 : }
872 :
873 : /* Exit loop if we can't squeeze any more. */
874 128 : if (worst_col == -1)
875 0 : break;
876 :
877 : /* Decrease width of target column by one. */
878 128 : width_wrap[worst_col]--;
879 128 : width_total--;
880 : }
881 : }
882 : }
883 :
884 : /*
885 : * If in expanded auto mode, we have now calculated the expected width, so
886 : * we can now escape to vertical mode if necessary. If the output has
887 : * only one column, the expanded format would be wider than the regular
888 : * format, so don't use it in that case.
889 : */
890 87236 : if (cont->opt->expanded == 2 && output_columns > 0 && cont->ncolumns > 1 &&
891 0 : (output_columns < total_header_width || output_columns < width_total))
892 : {
893 0 : print_aligned_vertical(cont, fout, is_pager);
894 0 : goto cleanup;
895 : }
896 :
897 : /* If we wrapped beyond the display width, use the pager */
898 87236 : if (!is_pager && fout == stdout && output_columns > 0 &&
899 852 : (output_columns < total_header_width || output_columns < width_total))
900 : {
901 408 : fout = PageOutput(INT_MAX, cont->opt); /* force pager */
902 408 : is_pager = is_local_pager = true;
903 : }
904 :
905 : /* Check if there are enough lines to require the pager */
906 87236 : if (!is_pager)
907 : {
908 86744 : IsPagerNeeded(cont, width_wrap, false, &fout, &is_pager);
909 86744 : is_local_pager = is_pager;
910 : }
911 :
912 : /* time to output */
913 87236 : if (cont->opt->start_table)
914 : {
915 : /* print title */
916 87188 : if (cont->title && !opt_tuples_only)
917 : {
918 : int width,
919 : height;
920 :
921 4029 : pg_wcssize((const unsigned char *) cont->title, strlen(cont->title),
922 : encoding, &width, &height, NULL);
923 4029 : if (width >= width_total)
924 : /* Aligned */
925 166 : fprintf(fout, "%s\n", cont->title);
926 : else
927 : /* Centered */
928 3863 : fprintf(fout, "%-*s%s\n", (width_total - width) / 2, "",
929 3863 : cont->title);
930 : }
931 :
932 : /* print headers */
933 87188 : if (!opt_tuples_only)
934 : {
935 : int more_col_wrapping;
936 : int curr_nl_line;
937 :
938 87040 : if (opt_border == 2)
939 32 : _print_horizontal_line(col_count, width_wrap, opt_border,
940 : PRINT_RULE_TOP, format, fout);
941 :
942 257358 : for (i = 0; i < col_count; i++)
943 170318 : pg_wcsformat((const unsigned char *) cont->headers[i],
944 170318 : strlen(cont->headers[i]), encoding,
945 170318 : col_lineptrs[i], max_nl_lines[i]);
946 :
947 87040 : more_col_wrapping = col_count;
948 87040 : curr_nl_line = 0;
949 87040 : if (col_count > 0)
950 86904 : memset(header_done, false, col_count * sizeof(bool));
951 174040 : while (more_col_wrapping)
952 : {
953 87000 : if (opt_border == 2)
954 64 : fputs(dformat->leftvrule, fout);
955 :
956 257510 : for (i = 0; i < cont->ncolumns; i++)
957 : {
958 170510 : struct lineptr *this_line = col_lineptrs[i] + curr_nl_line;
959 : unsigned int nbspace;
960 :
961 170510 : if (opt_border != 0 ||
962 128 : (!format->wrap_right_border && i > 0))
963 170414 : fputs(curr_nl_line ? format->header_nl_left : " ",
964 : fout);
965 :
966 170510 : if (!header_done[i])
967 : {
968 170462 : nbspace = width_wrap[i] - this_line->width;
969 :
970 : /* centered */
971 170462 : fprintf(fout, "%-*s%s%-*s",
972 170462 : nbspace / 2, "", this_line->ptr, (nbspace + 1) / 2, "");
973 :
974 170462 : if (!(this_line + 1)->ptr)
975 : {
976 170318 : more_col_wrapping--;
977 170318 : header_done[i] = 1;
978 : }
979 : }
980 : else
981 48 : fprintf(fout, "%*s", width_wrap[i], "");
982 :
983 170510 : if (opt_border != 0 || format->wrap_right_border)
984 170446 : fputs(!header_done[i] ? format->header_nl_right : " ",
985 : fout);
986 :
987 170510 : if (opt_border != 0 && col_count > 0 && i < col_count - 1)
988 83446 : fputs(dformat->midvrule, fout);
989 : }
990 87000 : curr_nl_line++;
991 :
992 87000 : if (opt_border == 2)
993 64 : fputs(dformat->rightvrule, fout);
994 87000 : fputc('\n', fout);
995 : }
996 :
997 87040 : _print_horizontal_line(col_count, width_wrap, opt_border,
998 : PRINT_RULE_MIDDLE, format, fout);
999 : }
1000 : }
1001 :
1002 : /* print cells, one loop per row */
1003 409799 : for (i = 0, ptr = cont->cells; *ptr; i += col_count, ptr += col_count)
1004 : {
1005 : bool more_lines;
1006 :
1007 322563 : if (cancel_pressed)
1008 0 : break;
1009 :
1010 : /*
1011 : * Format each cell.
1012 : */
1013 1081642 : for (j = 0; j < col_count; j++)
1014 : {
1015 759079 : pg_wcsformat((const unsigned char *) ptr[j], strlen(ptr[j]), encoding,
1016 759079 : col_lineptrs[j], max_nl_lines[j]);
1017 759079 : curr_nl_line[j] = 0;
1018 : }
1019 :
1020 322563 : memset(bytes_output, 0, col_count * sizeof(int));
1021 :
1022 : /*
1023 : * Each time through this loop, one display line is output. It can
1024 : * either be a full value or a partial value if embedded newlines
1025 : * exist or if 'format=wrapping' mode is enabled.
1026 : */
1027 : do
1028 : {
1029 334716 : more_lines = false;
1030 :
1031 : /* left border */
1032 334716 : if (opt_border == 2)
1033 368 : fputs(dformat->leftvrule, fout);
1034 :
1035 : /* for each column */
1036 1108580 : for (j = 0; j < col_count; j++)
1037 : {
1038 : /* We have a valid array element, so index it */
1039 773864 : struct lineptr *this_line = &col_lineptrs[j][curr_nl_line[j]];
1040 : int bytes_to_output;
1041 773864 : int chars_to_output = width_wrap[j];
1042 1546992 : bool finalspaces = (opt_border == 2 ||
1043 773128 : (col_count > 0 && j < col_count - 1));
1044 :
1045 : /* Print left-hand wrap or newline mark */
1046 773864 : if (opt_border != 0)
1047 : {
1048 773224 : if (wrap[j] == PRINT_LINE_WRAP_WRAP)
1049 80 : fputs(format->wrap_left, fout);
1050 773144 : else if (wrap[j] == PRINT_LINE_WRAP_NEWLINE)
1051 12205 : fputs(format->nl_left, fout);
1052 : else
1053 760939 : fputc(' ', fout);
1054 : }
1055 :
1056 773864 : if (!this_line->ptr)
1057 : {
1058 : /* Past newline lines so just pad for other columns */
1059 2244 : if (finalspaces)
1060 1917 : fprintf(fout, "%*s", chars_to_output, "");
1061 : }
1062 : else
1063 : {
1064 : /* Get strlen() of the characters up to width_wrap */
1065 : bytes_to_output =
1066 771620 : strlen_max_width(this_line->ptr + bytes_output[j],
1067 : &chars_to_output, encoding);
1068 :
1069 : /*
1070 : * If we exceeded width_wrap, it means the display width
1071 : * of a single character was wider than our target width.
1072 : * In that case, we have to pretend we are only printing
1073 : * the target display width and make the best of it.
1074 : */
1075 771620 : if (chars_to_output > width_wrap[j])
1076 0 : chars_to_output = width_wrap[j];
1077 :
1078 771620 : if (cont->aligns[j] == 'r') /* Right aligned cell */
1079 : {
1080 : /* spaces first */
1081 299236 : fprintf(fout, "%*s", width_wrap[j] - chars_to_output, "");
1082 299236 : fwrite((char *) (this_line->ptr + bytes_output[j]),
1083 : 1, bytes_to_output, fout);
1084 : }
1085 : else /* Left aligned cell */
1086 : {
1087 : /* spaces second */
1088 472384 : fwrite((char *) (this_line->ptr + bytes_output[j]),
1089 : 1, bytes_to_output, fout);
1090 : }
1091 :
1092 771620 : bytes_output[j] += bytes_to_output;
1093 :
1094 : /* Do we have more text to wrap? */
1095 771620 : if (*(this_line->ptr + bytes_output[j]) != '\0')
1096 80 : more_lines = true;
1097 : else
1098 : {
1099 : /* Advance to next newline line */
1100 771540 : curr_nl_line[j]++;
1101 771540 : if (col_lineptrs[j][curr_nl_line[j]].ptr != NULL)
1102 12461 : more_lines = true;
1103 771540 : bytes_output[j] = 0;
1104 : }
1105 : }
1106 :
1107 : /* Determine next line's wrap status for this column */
1108 773864 : wrap[j] = PRINT_LINE_WRAP_NONE;
1109 773864 : if (col_lineptrs[j][curr_nl_line[j]].ptr != NULL)
1110 : {
1111 12541 : if (bytes_output[j] != 0)
1112 80 : wrap[j] = PRINT_LINE_WRAP_WRAP;
1113 12461 : else if (curr_nl_line[j] != 0)
1114 12461 : wrap[j] = PRINT_LINE_WRAP_NEWLINE;
1115 : }
1116 :
1117 : /*
1118 : * If left-aligned, pad out remaining space if needed (not
1119 : * last column, and/or wrap marks required).
1120 : */
1121 773864 : if (cont->aligns[j] != 'r') /* Left aligned cell */
1122 : {
1123 474372 : if (finalspaces ||
1124 239745 : wrap[j] == PRINT_LINE_WRAP_WRAP ||
1125 239737 : wrap[j] == PRINT_LINE_WRAP_NEWLINE)
1126 246277 : fprintf(fout, "%*s",
1127 246277 : width_wrap[j] - chars_to_output, "");
1128 : }
1129 :
1130 : /* Print right-hand wrap or newline mark */
1131 773864 : if (wrap[j] == PRINT_LINE_WRAP_WRAP)
1132 80 : fputs(format->wrap_right, fout);
1133 773784 : else if (wrap[j] == PRINT_LINE_WRAP_NEWLINE)
1134 12461 : fputs(format->nl_right, fout);
1135 761323 : else if (opt_border == 2 || (col_count > 0 && j < col_count - 1))
1136 438625 : fputc(' ', fout);
1137 :
1138 : /* Print column divider, if not the last column */
1139 773864 : if (opt_border != 0 && (col_count > 0 && j < col_count - 1))
1140 : {
1141 438828 : if (wrap[j + 1] == PRINT_LINE_WRAP_WRAP)
1142 24 : fputs(format->midvrule_wrap, fout);
1143 438804 : else if (wrap[j + 1] == PRINT_LINE_WRAP_NEWLINE)
1144 822 : fputs(format->midvrule_nl, fout);
1145 437982 : else if (col_lineptrs[j + 1][curr_nl_line[j + 1]].ptr == NULL)
1146 1658 : fputs(format->midvrule_blank, fout);
1147 : else
1148 436324 : fputs(dformat->midvrule, fout);
1149 : }
1150 : }
1151 :
1152 : /* end-of-row border */
1153 334716 : if (opt_border == 2)
1154 368 : fputs(dformat->rightvrule, fout);
1155 334716 : fputc('\n', fout);
1156 334716 : } while (more_lines);
1157 : }
1158 :
1159 87236 : if (cont->opt->stop_table)
1160 : {
1161 87184 : printTableFooter *footers = footers_with_default(cont);
1162 :
1163 87184 : if (opt_border == 2 && !cancel_pressed)
1164 32 : _print_horizontal_line(col_count, width_wrap, opt_border,
1165 : PRINT_RULE_BOTTOM, format, fout);
1166 :
1167 : /* print footers */
1168 87184 : if (footers && !opt_tuples_only && !cancel_pressed)
1169 : {
1170 : printTableFooter *f;
1171 :
1172 179820 : for (f = footers; f; f = f->next)
1173 93146 : fprintf(fout, "%s\n", f->data);
1174 : }
1175 :
1176 87184 : fputc('\n', fout);
1177 : }
1178 :
1179 52 : cleanup:
1180 : /* clean up */
1181 258062 : for (i = 0; i < col_count; i++)
1182 : {
1183 170826 : free(col_lineptrs[i]);
1184 170826 : free(format_buf[i]);
1185 : }
1186 87236 : free(width_header);
1187 87236 : free(width_average);
1188 87236 : free(max_width);
1189 87236 : free(width_wrap);
1190 87236 : free(max_nl_lines);
1191 87236 : free(curr_nl_line);
1192 87236 : free(col_lineptrs);
1193 87236 : free(max_bytes);
1194 87236 : free(format_buf);
1195 87236 : free(header_done);
1196 87236 : free(bytes_output);
1197 87236 : free(wrap);
1198 :
1199 87236 : if (is_local_pager)
1200 408 : ClosePager(fout);
1201 : }
1202 :
1203 :
1204 : static void
1205 1119 : print_aligned_vertical_line(const printTableOpt *topt,
1206 : unsigned long record,
1207 : unsigned int hwidth,
1208 : unsigned int dwidth,
1209 : int output_columns,
1210 : printTextRule pos,
1211 : FILE *fout)
1212 : {
1213 1119 : const printTextLineFormat *lformat = &get_line_style(topt)->lrule[pos];
1214 1119 : const unsigned short opt_border = topt->border;
1215 : unsigned int i;
1216 1119 : int reclen = 0;
1217 :
1218 1119 : if (opt_border == 2)
1219 312 : fprintf(fout, "%s%s", lformat->leftvrule, lformat->hrule);
1220 807 : else if (opt_border == 1)
1221 535 : fputs(lformat->hrule, fout);
1222 :
1223 1119 : if (record)
1224 : {
1225 1067 : if (opt_border == 0)
1226 272 : reclen = fprintf(fout, "* Record %lu", record);
1227 : else
1228 795 : reclen = fprintf(fout, "[ RECORD %lu ]", record);
1229 : }
1230 1119 : if (opt_border != 2)
1231 807 : reclen++;
1232 1119 : if (reclen < 0)
1233 0 : reclen = 0;
1234 5606 : for (i = reclen; i < hwidth; i++)
1235 4487 : fputs(opt_border > 0 ? lformat->hrule : " ", fout);
1236 1119 : reclen -= hwidth;
1237 :
1238 1119 : if (opt_border > 0)
1239 : {
1240 847 : if (reclen-- <= 0)
1241 713 : fputs(lformat->hrule, fout);
1242 847 : if (reclen-- <= 0)
1243 : {
1244 717 : if (topt->expanded_header_width_type == PRINT_XHEADER_COLUMN)
1245 : {
1246 0 : fputs(lformat->rightvrule, fout);
1247 : }
1248 : else
1249 : {
1250 717 : fputs(lformat->midvrule, fout);
1251 : }
1252 : }
1253 847 : if (reclen-- <= 0
1254 733 : && topt->expanded_header_width_type != PRINT_XHEADER_COLUMN)
1255 733 : fputs(lformat->hrule, fout);
1256 : }
1257 : else
1258 : {
1259 272 : if (reclen-- <= 0)
1260 240 : fputc(' ', fout);
1261 : }
1262 :
1263 1119 : if (topt->expanded_header_width_type != PRINT_XHEADER_COLUMN)
1264 : {
1265 1119 : if (topt->expanded_header_width_type == PRINT_XHEADER_PAGE
1266 1119 : || topt->expanded_header_width_type == PRINT_XHEADER_EXACT_WIDTH)
1267 : {
1268 0 : if (topt->expanded_header_width_type == PRINT_XHEADER_EXACT_WIDTH)
1269 : {
1270 0 : output_columns = topt->expanded_header_exact_width;
1271 : }
1272 0 : if (output_columns > 0)
1273 : {
1274 0 : if (opt_border == 0)
1275 0 : dwidth = Min(dwidth, Max(0, (int) (output_columns - hwidth)));
1276 0 : if (opt_border == 1)
1277 0 : dwidth = Min(dwidth, Max(0, (int) (output_columns - hwidth - 3)));
1278 :
1279 : /*
1280 : * Handling the xheader width for border=2 doesn't make much
1281 : * sense because this format has an additional right border,
1282 : * but keep this for consistency.
1283 : */
1284 0 : if (opt_border == 2)
1285 0 : dwidth = Min(dwidth, Max(0, (int) (output_columns - hwidth - 7)));
1286 : }
1287 : }
1288 :
1289 1119 : if (reclen < 0)
1290 973 : reclen = 0;
1291 1119 : if (dwidth < reclen)
1292 21 : dwidth = reclen;
1293 :
1294 43048 : for (i = reclen; i < dwidth; i++)
1295 41929 : fputs(opt_border > 0 ? lformat->hrule : " ", fout);
1296 1119 : if (opt_border == 2)
1297 312 : fprintf(fout, "%s%s", lformat->hrule, lformat->rightvrule);
1298 : }
1299 :
1300 1119 : fputc('\n', fout);
1301 1119 : }
1302 :
1303 : static void
1304 380 : print_aligned_vertical(const printTableContent *cont,
1305 : FILE *fout, bool is_pager)
1306 : {
1307 380 : bool opt_tuples_only = cont->opt->tuples_only;
1308 380 : unsigned short opt_border = cont->opt->border;
1309 380 : const printTextFormat *format = get_line_style(cont->opt);
1310 380 : const printTextLineFormat *dformat = &format->lrule[PRINT_RULE_DATA];
1311 380 : int encoding = cont->opt->encoding;
1312 380 : unsigned long record = cont->opt->prior_records + 1;
1313 : const char *const *ptr;
1314 : unsigned int i,
1315 380 : hwidth = 0,
1316 380 : dwidth = 0,
1317 380 : hheight = 1,
1318 380 : dheight = 1,
1319 380 : hformatsize = 0,
1320 380 : dformatsize = 0;
1321 : struct lineptr *hlineptr,
1322 : *dlineptr;
1323 380 : bool is_local_pager = false,
1324 380 : hmultiline = false,
1325 380 : dmultiline = false;
1326 380 : int output_columns = 0; /* Width of interactive console */
1327 :
1328 380 : if (cancel_pressed)
1329 0 : return;
1330 :
1331 380 : if (opt_border > 2)
1332 0 : opt_border = 2;
1333 :
1334 : /*
1335 : * Kluge for totally empty table: use the default footer even though
1336 : * vertical modes normally don't. Otherwise we'd print nothing at all,
1337 : * which isn't terribly friendly. Assume pager will not be needed.
1338 : */
1339 380 : if (cont->cells[0] == NULL && cont->opt->start_table &&
1340 34 : cont->opt->stop_table)
1341 : {
1342 34 : printTableFooter *footers = footers_with_default(cont);
1343 :
1344 34 : if (!opt_tuples_only && !cancel_pressed && footers)
1345 : {
1346 : printTableFooter *f;
1347 :
1348 68 : for (f = footers; f; f = f->next)
1349 34 : fprintf(fout, "%s\n", f->data);
1350 : }
1351 :
1352 34 : fputc('\n', fout);
1353 :
1354 34 : return;
1355 : }
1356 :
1357 : /*
1358 : * Deal with the pager here instead of in printTable(), because we could
1359 : * get here via print_aligned_text() in expanded auto mode, and so we have
1360 : * to recalculate the pager requirement based on vertical output.
1361 : */
1362 346 : if (!is_pager)
1363 : {
1364 330 : IsPagerNeeded(cont, NULL, true, &fout, &is_pager);
1365 330 : is_local_pager = is_pager;
1366 : }
1367 :
1368 : /* Find the maximum dimensions for the headers */
1369 2047 : for (i = 0; i < cont->ncolumns; i++)
1370 : {
1371 : int width,
1372 : height,
1373 : fs;
1374 :
1375 1701 : pg_wcssize((const unsigned char *) cont->headers[i], strlen(cont->headers[i]),
1376 : encoding, &width, &height, &fs);
1377 1701 : if (width > hwidth)
1378 615 : hwidth = width;
1379 1701 : if (height > hheight)
1380 : {
1381 48 : hheight = height;
1382 48 : hmultiline = true;
1383 : }
1384 1701 : if (fs > hformatsize)
1385 615 : hformatsize = fs;
1386 : }
1387 :
1388 : /* find longest data cell */
1389 3834 : for (ptr = cont->cells; *ptr; ptr++)
1390 : {
1391 : int width,
1392 : height,
1393 : fs;
1394 :
1395 3488 : pg_wcssize((const unsigned char *) *ptr, strlen(*ptr), encoding,
1396 : &width, &height, &fs);
1397 3488 : if (width > dwidth)
1398 734 : dwidth = width;
1399 3488 : if (height > dheight)
1400 : {
1401 68 : dheight = height;
1402 68 : dmultiline = true;
1403 : }
1404 3488 : if (fs > dformatsize)
1405 734 : dformatsize = fs;
1406 : }
1407 :
1408 : /*
1409 : * We now have all the information we need to setup the formatting
1410 : * structures
1411 : */
1412 346 : dlineptr = pg_malloc_array(struct lineptr, (dheight + 1));
1413 346 : hlineptr = pg_malloc_array(struct lineptr, (hheight + 1));
1414 :
1415 346 : dlineptr->ptr = pg_malloc(dformatsize);
1416 346 : hlineptr->ptr = pg_malloc(hformatsize);
1417 :
1418 346 : if (cont->opt->start_table)
1419 : {
1420 : /* print title */
1421 338 : if (!opt_tuples_only && cont->title)
1422 28 : fprintf(fout, "%s\n", cont->title);
1423 : }
1424 :
1425 : /*
1426 : * Choose target output width: \pset columns, or $COLUMNS, or ioctl
1427 : */
1428 346 : if (cont->opt->columns > 0)
1429 152 : output_columns = cont->opt->columns;
1430 194 : else if ((fout == stdout && isatty(fileno(stdout))) || is_pager)
1431 : {
1432 16 : if (cont->opt->env_columns > 0)
1433 0 : output_columns = cont->opt->env_columns;
1434 : #ifdef TIOCGWINSZ
1435 : else
1436 : {
1437 : struct winsize screen_size;
1438 :
1439 16 : if (ioctl(fileno(stdout), TIOCGWINSZ, &screen_size) != -1)
1440 0 : output_columns = screen_size.ws_col;
1441 : }
1442 : #endif
1443 : }
1444 :
1445 : /*
1446 : * Calculate available width for data in wrapped mode
1447 : */
1448 346 : if (cont->opt->format == PRINT_WRAPPED)
1449 : {
1450 : unsigned int swidth,
1451 72 : rwidth = 0,
1452 : newdwidth;
1453 :
1454 72 : if (opt_border == 0)
1455 : {
1456 : /*
1457 : * For border = 0, one space in the middle. (If we discover we
1458 : * need to wrap, the spacer column will be replaced by a wrap
1459 : * marker, and we'll make room below for another wrap marker at
1460 : * the end of the line. But for now, assume no wrap is needed.)
1461 : */
1462 20 : swidth = 1;
1463 :
1464 : /* We might need a column for header newline markers, too */
1465 20 : if (hmultiline)
1466 8 : swidth++;
1467 : }
1468 52 : else if (opt_border == 1)
1469 : {
1470 : /*
1471 : * For border = 1, two spaces and a vrule in the middle. (As
1472 : * above, we might need one more column for a wrap marker.)
1473 : */
1474 32 : swidth = 3;
1475 :
1476 : /* We might need a column for left header newline markers, too */
1477 32 : if (hmultiline && (format == &pg_asciiformat_old))
1478 4 : swidth++;
1479 : }
1480 : else
1481 : {
1482 : /*
1483 : * For border = 2, two more for the vrules at the beginning and
1484 : * end of the lines, plus spacer columns adjacent to these. (We
1485 : * won't need extra columns for wrap/newline markers, we'll just
1486 : * repurpose the spacers.)
1487 : */
1488 20 : swidth = 7;
1489 : }
1490 :
1491 : /* Reserve a column for data newline indicators, too, if needed */
1492 72 : if (dmultiline &&
1493 16 : opt_border < 2 && format != &pg_asciiformat_old)
1494 8 : swidth++;
1495 :
1496 : /* Determine width required for record header lines */
1497 72 : if (!opt_tuples_only)
1498 : {
1499 68 : if (cont->nrows > 0)
1500 68 : rwidth = 1 + (int) log10(cont->nrows);
1501 68 : if (opt_border == 0)
1502 20 : rwidth += 9; /* "* RECORD " */
1503 48 : else if (opt_border == 1)
1504 28 : rwidth += 12; /* "-[ RECORD ]" */
1505 : else
1506 20 : rwidth += 15; /* "+-[ RECORD ]-+" */
1507 : }
1508 :
1509 : /* We might need to do the rest of the calculation twice */
1510 : for (;;)
1511 16 : {
1512 : unsigned int width;
1513 :
1514 : /* Total width required to not wrap data */
1515 88 : width = hwidth + swidth + dwidth;
1516 : /* ... and not the header lines, either */
1517 88 : if (width < rwidth)
1518 0 : width = rwidth;
1519 :
1520 88 : if (output_columns > 0)
1521 : {
1522 : unsigned int min_width;
1523 :
1524 : /* Minimum acceptable width: room for just 3 columns of data */
1525 88 : min_width = hwidth + swidth + 3;
1526 : /* ... but not less than what the record header lines need */
1527 88 : if (min_width < rwidth)
1528 24 : min_width = rwidth;
1529 :
1530 88 : if (output_columns >= width)
1531 : {
1532 : /* Plenty of room, use native data width */
1533 : /* (but at least enough for the record header lines) */
1534 20 : newdwidth = width - hwidth - swidth;
1535 : }
1536 68 : else if (output_columns < min_width)
1537 : {
1538 : /* Set data width to match min_width */
1539 16 : newdwidth = min_width - hwidth - swidth;
1540 : }
1541 : else
1542 : {
1543 : /* Set data width to match output_columns */
1544 52 : newdwidth = output_columns - hwidth - swidth;
1545 : }
1546 : }
1547 : else
1548 : {
1549 : /* Don't know the wrap limit, so use native data width */
1550 : /* (but at least enough for the record header lines) */
1551 0 : newdwidth = width - hwidth - swidth;
1552 : }
1553 :
1554 : /*
1555 : * If we will need to wrap data and didn't already allocate a data
1556 : * newline/wrap marker column, do so and recompute.
1557 : */
1558 88 : if (newdwidth < dwidth && !dmultiline &&
1559 16 : opt_border < 2 && format != &pg_asciiformat_old)
1560 : {
1561 16 : dmultiline = true;
1562 16 : swidth++;
1563 : }
1564 : else
1565 : break;
1566 : }
1567 :
1568 72 : dwidth = newdwidth;
1569 : }
1570 :
1571 : /* print records */
1572 3834 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
1573 : {
1574 : printTextRule pos;
1575 : int dline,
1576 : hline,
1577 : dcomplete,
1578 : hcomplete,
1579 : offset,
1580 : chars_to_output;
1581 :
1582 3488 : if (cancel_pressed)
1583 0 : break;
1584 :
1585 3488 : if (i == 0)
1586 338 : pos = PRINT_RULE_TOP;
1587 : else
1588 3150 : pos = PRINT_RULE_MIDDLE;
1589 :
1590 : /* Print record header (e.g. "[ RECORD N ]") above each record */
1591 3488 : if (i % cont->ncolumns == 0)
1592 : {
1593 1091 : unsigned int lhwidth = hwidth;
1594 :
1595 1091 : if ((opt_border < 2) &&
1596 64 : (hmultiline) &&
1597 : (format == &pg_asciiformat_old))
1598 32 : lhwidth++; /* for newline indicators */
1599 :
1600 1091 : if (!opt_tuples_only)
1601 1067 : print_aligned_vertical_line(cont->opt, record++,
1602 : lhwidth, dwidth, output_columns,
1603 : pos, fout);
1604 24 : else if (i != 0 || !cont->opt->start_table || opt_border == 2)
1605 12 : print_aligned_vertical_line(cont->opt, 0, lhwidth,
1606 : dwidth, output_columns, pos, fout);
1607 : }
1608 :
1609 : /* Format the header */
1610 3488 : pg_wcsformat((const unsigned char *) cont->headers[i % cont->ncolumns],
1611 3488 : strlen(cont->headers[i % cont->ncolumns]),
1612 : encoding, hlineptr, hheight);
1613 : /* Format the data */
1614 3488 : pg_wcsformat((const unsigned char *) *ptr, strlen(*ptr), encoding,
1615 : dlineptr, dheight);
1616 :
1617 : /*
1618 : * Loop through header and data in parallel dealing with newlines and
1619 : * wrapped lines until they're both exhausted
1620 : */
1621 3488 : dline = hline = 0;
1622 3488 : dcomplete = hcomplete = 0;
1623 3488 : offset = 0;
1624 3488 : chars_to_output = dlineptr[dline].width;
1625 8904 : while (!dcomplete || !hcomplete)
1626 : {
1627 : /* Left border */
1628 5416 : if (opt_border == 2)
1629 1212 : fprintf(fout, "%s", dformat->leftvrule);
1630 :
1631 : /* Header (never wrapped so just need to deal with newlines) */
1632 5416 : if (!hcomplete)
1633 : {
1634 3776 : int swidth = hwidth,
1635 3776 : target_width = hwidth;
1636 :
1637 : /*
1638 : * Left spacer or new line indicator
1639 : */
1640 3776 : if ((opt_border == 2) ||
1641 320 : (hmultiline && (format == &pg_asciiformat_old)))
1642 800 : fputs(hline ? format->header_nl_left : " ", fout);
1643 :
1644 : /*
1645 : * Header text
1646 : */
1647 3776 : strlen_max_width(hlineptr[hline].ptr, &target_width,
1648 : encoding);
1649 3776 : fprintf(fout, "%-s", hlineptr[hline].ptr);
1650 :
1651 : /*
1652 : * Spacer
1653 : */
1654 3776 : swidth -= target_width;
1655 3776 : if (swidth > 0)
1656 2447 : fprintf(fout, "%*s", swidth, " ");
1657 :
1658 : /*
1659 : * New line indicator or separator's space
1660 : */
1661 3776 : if (hlineptr[hline + 1].ptr)
1662 : {
1663 : /* More lines after this one due to a newline */
1664 288 : if ((opt_border > 0) ||
1665 96 : (hmultiline && (format != &pg_asciiformat_old)))
1666 240 : fputs(format->header_nl_right, fout);
1667 288 : hline++;
1668 : }
1669 : else
1670 : {
1671 : /* This was the last line of the header */
1672 3488 : if ((opt_border > 0) ||
1673 64 : (hmultiline && (format != &pg_asciiformat_old)))
1674 2976 : fputs(" ", fout);
1675 3488 : hcomplete = 1;
1676 : }
1677 : }
1678 : else
1679 : {
1680 1640 : unsigned int swidth = hwidth + opt_border;
1681 :
1682 1640 : if ((opt_border < 2) &&
1683 472 : (hmultiline) &&
1684 : (format == &pg_asciiformat_old))
1685 232 : swidth++;
1686 :
1687 1640 : if ((opt_border == 0) &&
1688 364 : (format != &pg_asciiformat_old) &&
1689 : (hmultiline))
1690 120 : swidth++;
1691 :
1692 1640 : fprintf(fout, "%*s", swidth, " ");
1693 : }
1694 :
1695 : /* Separator */
1696 5416 : if (opt_border > 0)
1697 : {
1698 4300 : if (offset)
1699 744 : fputs(format->midvrule_wrap, fout);
1700 3556 : else if (dline == 0)
1701 2944 : fputs(dformat->midvrule, fout);
1702 : else
1703 612 : fputs(format->midvrule_nl, fout);
1704 : }
1705 :
1706 : /* Data */
1707 5416 : if (!dcomplete)
1708 : {
1709 5296 : int target_width = dwidth,
1710 : bytes_to_output,
1711 5296 : swidth = dwidth;
1712 :
1713 : /*
1714 : * Left spacer or wrap indicator
1715 : */
1716 5296 : fputs(offset == 0 ? " " : format->wrap_left, fout);
1717 :
1718 : /*
1719 : * Data text
1720 : */
1721 5296 : bytes_to_output = strlen_max_width(dlineptr[dline].ptr + offset,
1722 : &target_width, encoding);
1723 5296 : fwrite((char *) (dlineptr[dline].ptr + offset),
1724 : 1, bytes_to_output, fout);
1725 :
1726 5296 : chars_to_output -= target_width;
1727 5296 : offset += bytes_to_output;
1728 :
1729 : /* Spacer */
1730 5296 : swidth -= target_width;
1731 :
1732 5296 : if (chars_to_output)
1733 : {
1734 : /* continuing a wrapped column */
1735 940 : if ((opt_border > 1) ||
1736 568 : (dmultiline && (format != &pg_asciiformat_old)))
1737 : {
1738 908 : if (swidth > 0)
1739 0 : fprintf(fout, "%*s", swidth, " ");
1740 908 : fputs(format->wrap_right, fout);
1741 : }
1742 : }
1743 4356 : else if (dlineptr[dline + 1].ptr)
1744 : {
1745 : /* reached a newline in the column */
1746 868 : if ((opt_border > 1) ||
1747 612 : (dmultiline && (format != &pg_asciiformat_old)))
1748 : {
1749 612 : if (swidth > 0)
1750 596 : fprintf(fout, "%*s", swidth, " ");
1751 612 : fputs(format->nl_right, fout);
1752 : }
1753 868 : dline++;
1754 868 : offset = 0;
1755 868 : chars_to_output = dlineptr[dline].width;
1756 : }
1757 : else
1758 : {
1759 : /* reached the end of the cell */
1760 3488 : if (opt_border > 1)
1761 : {
1762 544 : if (swidth > 0)
1763 492 : fprintf(fout, "%*s", swidth, " ");
1764 544 : fputs(" ", fout);
1765 : }
1766 3488 : dcomplete = 1;
1767 : }
1768 :
1769 : /* Right border */
1770 5296 : if (opt_border == 2)
1771 1172 : fputs(dformat->rightvrule, fout);
1772 :
1773 5296 : fputs("\n", fout);
1774 : }
1775 : else
1776 : {
1777 : /*
1778 : * data exhausted (this can occur if header is longer than the
1779 : * data due to newlines in the header)
1780 : */
1781 120 : if (opt_border < 2)
1782 80 : fputs("\n", fout);
1783 : else
1784 40 : fprintf(fout, "%*s %s\n", dwidth, "", dformat->rightvrule);
1785 : }
1786 : }
1787 : }
1788 :
1789 346 : if (cont->opt->stop_table)
1790 : {
1791 338 : if (opt_border == 2 && !cancel_pressed)
1792 40 : print_aligned_vertical_line(cont->opt, 0, hwidth, dwidth,
1793 : output_columns, PRINT_RULE_BOTTOM, fout);
1794 :
1795 : /* print footers */
1796 338 : if (!opt_tuples_only && cont->footers != NULL && !cancel_pressed)
1797 : {
1798 : printTableFooter *f;
1799 :
1800 8 : if (opt_border < 2)
1801 8 : fputc('\n', fout);
1802 16 : for (f = cont->footers; f; f = f->next)
1803 8 : fprintf(fout, "%s\n", f->data);
1804 : }
1805 :
1806 338 : fputc('\n', fout);
1807 : }
1808 :
1809 346 : free(hlineptr->ptr);
1810 346 : free(dlineptr->ptr);
1811 346 : free(hlineptr);
1812 346 : free(dlineptr);
1813 :
1814 346 : if (is_local_pager)
1815 0 : ClosePager(fout);
1816 : }
1817 :
1818 :
1819 : /**********************/
1820 : /* CSV format */
1821 : /**********************/
1822 :
1823 :
1824 : static void
1825 72 : csv_escaped_print(const char *str, FILE *fout)
1826 : {
1827 : const char *p;
1828 :
1829 72 : fputc('"', fout);
1830 616 : for (p = str; *p; p++)
1831 : {
1832 544 : if (*p == '"')
1833 28 : fputc('"', fout); /* double quotes are doubled */
1834 544 : fputc(*p, fout);
1835 : }
1836 72 : fputc('"', fout);
1837 72 : }
1838 :
1839 : static void
1840 416 : csv_print_field(const char *str, FILE *fout, char sep)
1841 : {
1842 : /*----------------
1843 : * Enclose and escape field contents when one of these conditions is met:
1844 : * - the field separator is found in the contents.
1845 : * - the field contains a CR or LF.
1846 : * - the field contains a double quote.
1847 : * - the field is exactly "\.".
1848 : * - the field separator is either "\" or ".".
1849 : * The last two cases prevent producing a line that the server's COPY
1850 : * command would interpret as an end-of-data marker. We only really
1851 : * need to ensure that the complete line isn't exactly "\.", but for
1852 : * simplicity we apply stronger restrictions here.
1853 : *----------------
1854 : */
1855 416 : if (strchr(str, sep) != NULL ||
1856 408 : strcspn(str, "\r\n\"") != strlen(str) ||
1857 364 : strcmp(str, "\\.") == 0 ||
1858 360 : sep == '\\' || sep == '.')
1859 72 : csv_escaped_print(str, fout);
1860 : else
1861 344 : fputs(str, fout);
1862 416 : }
1863 :
1864 : static void
1865 32 : print_csv_text(const printTableContent *cont, FILE *fout)
1866 : {
1867 : const char *const *ptr;
1868 : int i;
1869 :
1870 32 : if (cancel_pressed)
1871 0 : return;
1872 :
1873 : /*
1874 : * The title and footer are never printed in csv format. The header is
1875 : * printed if opt_tuples_only is false.
1876 : *
1877 : * Despite RFC 4180 saying that end of lines are CRLF, terminate lines
1878 : * with '\n', which prints out as the system-dependent EOL string in text
1879 : * mode (typically LF on Unix and CRLF on Windows).
1880 : */
1881 32 : if (cont->opt->start_table && !cont->opt->tuples_only)
1882 : {
1883 : /* print headers */
1884 108 : for (ptr = cont->headers; *ptr; ptr++)
1885 : {
1886 80 : if (ptr != cont->headers)
1887 52 : fputc(cont->opt->csvFieldSep[0], fout);
1888 80 : csv_print_field(*ptr, fout, cont->opt->csvFieldSep[0]);
1889 : }
1890 28 : fputc('\n', fout);
1891 : }
1892 :
1893 : /* print cells */
1894 168 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
1895 : {
1896 136 : csv_print_field(*ptr, fout, cont->opt->csvFieldSep[0]);
1897 136 : if ((i + 1) % cont->ncolumns)
1898 96 : fputc(cont->opt->csvFieldSep[0], fout);
1899 : else
1900 40 : fputc('\n', fout);
1901 : }
1902 : }
1903 :
1904 : static void
1905 12 : print_csv_vertical(const printTableContent *cont, FILE *fout)
1906 : {
1907 : const char *const *ptr;
1908 : int i;
1909 :
1910 : /* print records */
1911 112 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
1912 : {
1913 100 : if (cancel_pressed)
1914 0 : return;
1915 :
1916 : /* print name of column */
1917 100 : csv_print_field(cont->headers[i % cont->ncolumns], fout,
1918 100 : cont->opt->csvFieldSep[0]);
1919 :
1920 : /* print field separator */
1921 100 : fputc(cont->opt->csvFieldSep[0], fout);
1922 :
1923 : /* print field value */
1924 100 : csv_print_field(*ptr, fout, cont->opt->csvFieldSep[0]);
1925 :
1926 100 : fputc('\n', fout);
1927 : }
1928 : }
1929 :
1930 :
1931 : /**********************/
1932 : /* HTML */
1933 : /**********************/
1934 :
1935 :
1936 : void
1937 548 : html_escaped_print(const char *in, FILE *fout)
1938 : {
1939 : const char *p;
1940 548 : bool leading_space = true;
1941 :
1942 4600 : for (p = in; *p; p++)
1943 : {
1944 4052 : switch (*p)
1945 : {
1946 36 : case '&':
1947 36 : fputs("&", fout);
1948 36 : break;
1949 96 : case '<':
1950 96 : fputs("<", fout);
1951 96 : break;
1952 96 : case '>':
1953 96 : fputs(">", fout);
1954 96 : break;
1955 48 : case '\n':
1956 48 : fputs("<br />\n", fout);
1957 48 : break;
1958 64 : case '"':
1959 64 : fputs(""", fout);
1960 64 : break;
1961 180 : case ' ':
1962 : /* protect leading space, for EXPLAIN output */
1963 180 : if (leading_space)
1964 96 : fputs(" ", fout);
1965 : else
1966 84 : fputs(" ", fout);
1967 180 : break;
1968 3532 : default:
1969 3532 : fputc(*p, fout);
1970 : }
1971 4052 : if (*p != ' ')
1972 3872 : leading_space = false;
1973 : }
1974 548 : }
1975 :
1976 :
1977 : static void
1978 20 : print_html_text(const printTableContent *cont, FILE *fout)
1979 : {
1980 20 : bool opt_tuples_only = cont->opt->tuples_only;
1981 20 : unsigned short opt_border = cont->opt->border;
1982 20 : const char *opt_table_attr = cont->opt->tableAttr;
1983 : unsigned int i;
1984 : const char *const *ptr;
1985 :
1986 20 : if (cancel_pressed)
1987 0 : return;
1988 :
1989 20 : if (cont->opt->start_table)
1990 : {
1991 20 : fprintf(fout, "<table border=\"%d\"", opt_border);
1992 20 : if (opt_table_attr)
1993 4 : fprintf(fout, " %s", opt_table_attr);
1994 20 : fputs(">\n", fout);
1995 :
1996 : /* print title */
1997 20 : if (!opt_tuples_only && cont->title)
1998 : {
1999 4 : fputs(" <caption>", fout);
2000 4 : html_escaped_print(cont->title, fout);
2001 4 : fputs("</caption>\n", fout);
2002 : }
2003 :
2004 : /* print headers */
2005 20 : if (!opt_tuples_only)
2006 : {
2007 16 : fputs(" <tr>\n", fout);
2008 92 : for (ptr = cont->headers; *ptr; ptr++)
2009 : {
2010 76 : fputs(" <th align=\"center\">", fout);
2011 76 : html_escaped_print(*ptr, fout);
2012 76 : fputs("</th>\n", fout);
2013 : }
2014 16 : fputs(" </tr>\n", fout);
2015 : }
2016 : }
2017 :
2018 : /* print cells */
2019 184 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2020 : {
2021 164 : if (i % cont->ncolumns == 0)
2022 : {
2023 36 : if (cancel_pressed)
2024 0 : break;
2025 36 : fputs(" <tr valign=\"top\">\n", fout);
2026 : }
2027 :
2028 164 : fprintf(fout, " <td align=\"%s\">", cont->aligns[(i) % cont->ncolumns] == 'r' ? "right" : "left");
2029 : /* is string only whitespace? */
2030 164 : if ((*ptr)[strspn(*ptr, " \t")] == '\0')
2031 24 : fputs(" ", fout);
2032 : else
2033 140 : html_escaped_print(*ptr, fout);
2034 :
2035 164 : fputs("</td>\n", fout);
2036 :
2037 164 : if ((i + 1) % cont->ncolumns == 0)
2038 36 : fputs(" </tr>\n", fout);
2039 : }
2040 :
2041 20 : if (cont->opt->stop_table)
2042 : {
2043 20 : printTableFooter *footers = footers_with_default(cont);
2044 :
2045 20 : fputs("</table>\n", fout);
2046 :
2047 : /* print footers */
2048 20 : if (!opt_tuples_only && footers != NULL && !cancel_pressed)
2049 : {
2050 : printTableFooter *f;
2051 :
2052 16 : fputs("<p>", fout);
2053 32 : for (f = footers; f; f = f->next)
2054 : {
2055 16 : html_escaped_print(f->data, fout);
2056 16 : fputs("<br />\n", fout);
2057 : }
2058 16 : fputs("</p>", fout);
2059 : }
2060 :
2061 20 : fputc('\n', fout);
2062 : }
2063 : }
2064 :
2065 :
2066 : static void
2067 20 : print_html_vertical(const printTableContent *cont, FILE *fout)
2068 : {
2069 20 : bool opt_tuples_only = cont->opt->tuples_only;
2070 20 : unsigned short opt_border = cont->opt->border;
2071 20 : const char *opt_table_attr = cont->opt->tableAttr;
2072 20 : unsigned long record = cont->opt->prior_records + 1;
2073 : unsigned int i;
2074 : const char *const *ptr;
2075 :
2076 20 : if (cancel_pressed)
2077 0 : return;
2078 :
2079 20 : if (cont->opt->start_table)
2080 : {
2081 20 : fprintf(fout, "<table border=\"%d\"", opt_border);
2082 20 : if (opt_table_attr)
2083 4 : fprintf(fout, " %s", opt_table_attr);
2084 20 : fputs(">\n", fout);
2085 :
2086 : /* print title */
2087 20 : if (!opt_tuples_only && cont->title)
2088 : {
2089 4 : fputs(" <caption>", fout);
2090 4 : html_escaped_print(cont->title, fout);
2091 4 : fputs("</caption>\n", fout);
2092 : }
2093 : }
2094 :
2095 : /* print records */
2096 184 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2097 : {
2098 164 : if (i % cont->ncolumns == 0)
2099 : {
2100 36 : if (cancel_pressed)
2101 0 : break;
2102 36 : if (!opt_tuples_only)
2103 28 : fprintf(fout,
2104 : "\n <tr><td colspan=\"2\" align=\"center\">Record %lu</td></tr>\n",
2105 : record++);
2106 : else
2107 8 : fputs("\n <tr><td colspan=\"2\"> </td></tr>\n", fout);
2108 : }
2109 164 : fputs(" <tr valign=\"top\">\n"
2110 : " <th>", fout);
2111 164 : html_escaped_print(cont->headers[i % cont->ncolumns], fout);
2112 164 : fputs("</th>\n", fout);
2113 :
2114 164 : fprintf(fout, " <td align=\"%s\">", cont->aligns[i % cont->ncolumns] == 'r' ? "right" : "left");
2115 : /* is string only whitespace? */
2116 164 : if ((*ptr)[strspn(*ptr, " \t")] == '\0')
2117 24 : fputs(" ", fout);
2118 : else
2119 140 : html_escaped_print(*ptr, fout);
2120 :
2121 164 : fputs("</td>\n </tr>\n", fout);
2122 : }
2123 :
2124 20 : if (cont->opt->stop_table)
2125 : {
2126 20 : fputs("</table>\n", fout);
2127 :
2128 : /* print footers */
2129 20 : if (!opt_tuples_only && cont->footers != NULL && !cancel_pressed)
2130 : {
2131 : printTableFooter *f;
2132 :
2133 4 : fputs("<p>", fout);
2134 8 : for (f = cont->footers; f; f = f->next)
2135 : {
2136 4 : html_escaped_print(f->data, fout);
2137 4 : fputs("<br />\n", fout);
2138 : }
2139 4 : fputs("</p>", fout);
2140 : }
2141 :
2142 20 : fputc('\n', fout);
2143 : }
2144 : }
2145 :
2146 :
2147 : /*************************/
2148 : /* ASCIIDOC */
2149 : /*************************/
2150 :
2151 :
2152 : static void
2153 436 : asciidoc_escaped_print(const char *in, FILE *fout)
2154 : {
2155 : const char *p;
2156 :
2157 3060 : for (p = in; *p; p++)
2158 : {
2159 2624 : switch (*p)
2160 : {
2161 84 : case '|':
2162 84 : fputs("\\|", fout);
2163 84 : break;
2164 2540 : default:
2165 2540 : fputc(*p, fout);
2166 : }
2167 : }
2168 436 : }
2169 :
2170 : static void
2171 20 : print_asciidoc_text(const printTableContent *cont, FILE *fout)
2172 : {
2173 20 : bool opt_tuples_only = cont->opt->tuples_only;
2174 20 : unsigned short opt_border = cont->opt->border;
2175 : unsigned int i;
2176 : const char *const *ptr;
2177 :
2178 20 : if (cancel_pressed)
2179 0 : return;
2180 :
2181 20 : if (cont->opt->start_table)
2182 : {
2183 : /* print table in new paragraph - enforce preliminary new line */
2184 20 : fputs("\n", fout);
2185 :
2186 : /* print title */
2187 20 : if (!opt_tuples_only && cont->title)
2188 : {
2189 4 : fputs(".", fout);
2190 4 : fputs(cont->title, fout);
2191 4 : fputs("\n", fout);
2192 : }
2193 :
2194 : /* print table [] header definition */
2195 20 : fprintf(fout, "[%scols=\"", !opt_tuples_only ? "options=\"header\"," : "");
2196 104 : for (i = 0; i < cont->ncolumns; i++)
2197 : {
2198 84 : if (i != 0)
2199 64 : fputs(",", fout);
2200 84 : fprintf(fout, "%s", cont->aligns[(i) % cont->ncolumns] == 'r' ? ">l" : "<l");
2201 : }
2202 20 : fputs("\"", fout);
2203 20 : switch (opt_border)
2204 : {
2205 4 : case 0:
2206 4 : fputs(",frame=\"none\",grid=\"none\"", fout);
2207 4 : break;
2208 12 : case 1:
2209 12 : fputs(",frame=\"none\"", fout);
2210 12 : break;
2211 4 : case 2:
2212 4 : fputs(",frame=\"all\",grid=\"all\"", fout);
2213 4 : break;
2214 : }
2215 20 : fputs("]\n", fout);
2216 20 : fputs("|====\n", fout);
2217 :
2218 : /* print headers */
2219 20 : if (!opt_tuples_only)
2220 : {
2221 80 : for (ptr = cont->headers; *ptr; ptr++)
2222 : {
2223 64 : if (ptr != cont->headers)
2224 48 : fputs(" ", fout);
2225 64 : fputs("^l|", fout);
2226 64 : asciidoc_escaped_print(*ptr, fout);
2227 : }
2228 16 : fputs("\n", fout);
2229 : }
2230 : }
2231 :
2232 : /* print cells */
2233 160 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2234 : {
2235 140 : if (i % cont->ncolumns == 0)
2236 : {
2237 36 : if (cancel_pressed)
2238 0 : break;
2239 : }
2240 :
2241 140 : if (i % cont->ncolumns != 0)
2242 104 : fputs(" ", fout);
2243 140 : fputs("|", fout);
2244 :
2245 : /* protect against needless spaces */
2246 140 : if ((*ptr)[strspn(*ptr, " \t")] == '\0')
2247 : {
2248 24 : if ((i + 1) % cont->ncolumns != 0)
2249 24 : fputs(" ", fout);
2250 : }
2251 : else
2252 116 : asciidoc_escaped_print(*ptr, fout);
2253 :
2254 140 : if ((i + 1) % cont->ncolumns == 0)
2255 36 : fputs("\n", fout);
2256 : }
2257 :
2258 20 : fputs("|====\n", fout);
2259 :
2260 20 : if (cont->opt->stop_table)
2261 : {
2262 20 : printTableFooter *footers = footers_with_default(cont);
2263 :
2264 : /* print footers */
2265 20 : if (!opt_tuples_only && footers != NULL && !cancel_pressed)
2266 : {
2267 : printTableFooter *f;
2268 :
2269 16 : fputs("\n....\n", fout);
2270 32 : for (f = footers; f; f = f->next)
2271 : {
2272 16 : fputs(f->data, fout);
2273 16 : fputs("\n", fout);
2274 : }
2275 16 : fputs("....\n", fout);
2276 : }
2277 : }
2278 : }
2279 :
2280 : static void
2281 20 : print_asciidoc_vertical(const printTableContent *cont, FILE *fout)
2282 : {
2283 20 : bool opt_tuples_only = cont->opt->tuples_only;
2284 20 : unsigned short opt_border = cont->opt->border;
2285 20 : unsigned long record = cont->opt->prior_records + 1;
2286 : unsigned int i;
2287 : const char *const *ptr;
2288 :
2289 20 : if (cancel_pressed)
2290 0 : return;
2291 :
2292 20 : if (cont->opt->start_table)
2293 : {
2294 : /* print table in new paragraph - enforce preliminary new line */
2295 20 : fputs("\n", fout);
2296 :
2297 : /* print title */
2298 20 : if (!opt_tuples_only && cont->title)
2299 : {
2300 4 : fputs(".", fout);
2301 4 : fputs(cont->title, fout);
2302 4 : fputs("\n", fout);
2303 : }
2304 :
2305 : /* print table [] header definition */
2306 20 : fputs("[cols=\"h,l\"", fout);
2307 20 : switch (opt_border)
2308 : {
2309 4 : case 0:
2310 4 : fputs(",frame=\"none\",grid=\"none\"", fout);
2311 4 : break;
2312 12 : case 1:
2313 12 : fputs(",frame=\"none\"", fout);
2314 12 : break;
2315 4 : case 2:
2316 4 : fputs(",frame=\"all\",grid=\"all\"", fout);
2317 4 : break;
2318 : }
2319 20 : fputs("]\n", fout);
2320 20 : fputs("|====\n", fout);
2321 : }
2322 :
2323 : /* print records */
2324 160 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2325 : {
2326 140 : if (i % cont->ncolumns == 0)
2327 : {
2328 36 : if (cancel_pressed)
2329 0 : break;
2330 36 : if (!opt_tuples_only)
2331 28 : fprintf(fout,
2332 : "2+^|Record %lu\n",
2333 : record++);
2334 : else
2335 8 : fputs("2+|\n", fout);
2336 : }
2337 :
2338 140 : fputs("<l|", fout);
2339 140 : asciidoc_escaped_print(cont->headers[i % cont->ncolumns], fout);
2340 :
2341 140 : fprintf(fout, " %s|", cont->aligns[i % cont->ncolumns] == 'r' ? ">l" : "<l");
2342 : /* is string only whitespace? */
2343 140 : if ((*ptr)[strspn(*ptr, " \t")] == '\0')
2344 24 : fputs(" ", fout);
2345 : else
2346 116 : asciidoc_escaped_print(*ptr, fout);
2347 140 : fputs("\n", fout);
2348 : }
2349 :
2350 20 : fputs("|====\n", fout);
2351 :
2352 20 : if (cont->opt->stop_table)
2353 : {
2354 : /* print footers */
2355 20 : if (!opt_tuples_only && cont->footers != NULL && !cancel_pressed)
2356 : {
2357 : printTableFooter *f;
2358 :
2359 4 : fputs("\n....\n", fout);
2360 8 : for (f = cont->footers; f; f = f->next)
2361 : {
2362 4 : fputs(f->data, fout);
2363 4 : fputs("\n", fout);
2364 : }
2365 4 : fputs("....\n", fout);
2366 : }
2367 : }
2368 : }
2369 :
2370 :
2371 : /*************************/
2372 : /* LaTeX */
2373 : /*************************/
2374 :
2375 :
2376 : static void
2377 1636 : latex_escaped_print(const char *in, FILE *fout)
2378 : {
2379 : const char *p;
2380 :
2381 14376 : for (p = in; *p; p++)
2382 12740 : switch (*p)
2383 : {
2384 : /*
2385 : * We convert ASCII characters per the recommendations in
2386 : * Scott Pakin's "The Comprehensive LATEX Symbol List",
2387 : * available from CTAN. For non-ASCII, you're on your own.
2388 : */
2389 144 : case '#':
2390 144 : fputs("\\#", fout);
2391 144 : break;
2392 128 : case '$':
2393 128 : fputs("\\$", fout);
2394 128 : break;
2395 144 : case '%':
2396 144 : fputs("\\%", fout);
2397 144 : break;
2398 144 : case '&':
2399 144 : fputs("\\&", fout);
2400 144 : break;
2401 144 : case '<':
2402 144 : fputs("\\textless{}", fout);
2403 144 : break;
2404 144 : case '>':
2405 144 : fputs("\\textgreater{}", fout);
2406 144 : break;
2407 144 : case '\\':
2408 144 : fputs("\\textbackslash{}", fout);
2409 144 : break;
2410 144 : case '^':
2411 144 : fputs("\\^{}", fout);
2412 144 : break;
2413 312 : case '_':
2414 312 : fputs("\\_", fout);
2415 312 : break;
2416 144 : case '{':
2417 144 : fputs("\\{", fout);
2418 144 : break;
2419 144 : case '|':
2420 144 : fputs("\\textbar{}", fout);
2421 144 : break;
2422 144 : case '}':
2423 144 : fputs("\\}", fout);
2424 144 : break;
2425 144 : case '~':
2426 144 : fputs("\\~{}", fout);
2427 144 : break;
2428 144 : case '\n':
2429 : /* This is not right, but doing it right seems too hard */
2430 144 : fputs("\\\\", fout);
2431 144 : break;
2432 10572 : default:
2433 10572 : fputc(*p, fout);
2434 : }
2435 1636 : }
2436 :
2437 :
2438 : static void
2439 24 : print_latex_text(const printTableContent *cont, FILE *fout)
2440 : {
2441 24 : bool opt_tuples_only = cont->opt->tuples_only;
2442 24 : unsigned short opt_border = cont->opt->border;
2443 : unsigned int i;
2444 : const char *const *ptr;
2445 :
2446 24 : if (cancel_pressed)
2447 0 : return;
2448 :
2449 24 : if (opt_border > 3)
2450 0 : opt_border = 3;
2451 :
2452 24 : if (cont->opt->start_table)
2453 : {
2454 : /* print title */
2455 24 : if (!opt_tuples_only && cont->title)
2456 : {
2457 4 : fputs("\\begin{center}\n", fout);
2458 4 : latex_escaped_print(cont->title, fout);
2459 4 : fputs("\n\\end{center}\n\n", fout);
2460 : }
2461 :
2462 : /* begin environment and set alignments and borders */
2463 24 : fputs("\\begin{tabular}{", fout);
2464 :
2465 24 : if (opt_border >= 2)
2466 8 : fputs("| ", fout);
2467 136 : for (i = 0; i < cont->ncolumns; i++)
2468 : {
2469 112 : fputc(*(cont->aligns + i), fout);
2470 112 : if (opt_border != 0 && i < cont->ncolumns - 1)
2471 76 : fputs(" | ", fout);
2472 : }
2473 24 : if (opt_border >= 2)
2474 8 : fputs(" |", fout);
2475 :
2476 24 : fputs("}\n", fout);
2477 :
2478 24 : if (!opt_tuples_only && opt_border >= 2)
2479 8 : fputs("\\hline\n", fout);
2480 :
2481 : /* print headers */
2482 24 : if (!opt_tuples_only)
2483 : {
2484 112 : for (i = 0, ptr = cont->headers; i < cont->ncolumns; i++, ptr++)
2485 : {
2486 92 : if (i != 0)
2487 72 : fputs(" & ", fout);
2488 92 : fputs("\\textit{", fout);
2489 92 : latex_escaped_print(*ptr, fout);
2490 92 : fputc('}', fout);
2491 : }
2492 20 : fputs(" \\\\\n", fout);
2493 20 : fputs("\\hline\n", fout);
2494 : }
2495 : }
2496 :
2497 : /* print cells */
2498 220 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2499 : {
2500 196 : latex_escaped_print(*ptr, fout);
2501 :
2502 196 : if ((i + 1) % cont->ncolumns == 0)
2503 : {
2504 44 : fputs(" \\\\\n", fout);
2505 44 : if (opt_border == 3)
2506 8 : fputs("\\hline\n", fout);
2507 44 : if (cancel_pressed)
2508 0 : break;
2509 : }
2510 : else
2511 152 : fputs(" & ", fout);
2512 : }
2513 :
2514 24 : if (cont->opt->stop_table)
2515 : {
2516 24 : printTableFooter *footers = footers_with_default(cont);
2517 :
2518 24 : if (opt_border == 2)
2519 4 : fputs("\\hline\n", fout);
2520 :
2521 24 : fputs("\\end{tabular}\n\n\\noindent ", fout);
2522 :
2523 : /* print footers */
2524 24 : if (footers && !opt_tuples_only && !cancel_pressed)
2525 : {
2526 : printTableFooter *f;
2527 :
2528 40 : for (f = footers; f; f = f->next)
2529 : {
2530 20 : latex_escaped_print(f->data, fout);
2531 20 : fputs(" \\\\\n", fout);
2532 : }
2533 : }
2534 :
2535 24 : fputc('\n', fout);
2536 : }
2537 : }
2538 :
2539 :
2540 : /*************************/
2541 : /* LaTeX longtable */
2542 : /*************************/
2543 :
2544 :
2545 : static void
2546 28 : print_latex_longtable_text(const printTableContent *cont, FILE *fout)
2547 : {
2548 28 : bool opt_tuples_only = cont->opt->tuples_only;
2549 28 : unsigned short opt_border = cont->opt->border;
2550 : unsigned int i;
2551 28 : const char *opt_table_attr = cont->opt->tableAttr;
2552 28 : const char *next_opt_table_attr_char = opt_table_attr;
2553 28 : const char *last_opt_table_attr_char = NULL;
2554 : const char *const *ptr;
2555 :
2556 28 : if (cancel_pressed)
2557 0 : return;
2558 :
2559 28 : if (opt_border > 3)
2560 0 : opt_border = 3;
2561 :
2562 28 : if (cont->opt->start_table)
2563 : {
2564 : /* begin environment and set alignments and borders */
2565 28 : fputs("\\begin{longtable}{", fout);
2566 :
2567 28 : if (opt_border >= 2)
2568 12 : fputs("| ", fout);
2569 :
2570 156 : for (i = 0; i < cont->ncolumns; i++)
2571 : {
2572 : /* longtable supports either a width (p) or an alignment (l/r) */
2573 : /* Are we left-justified and was a proportional width specified? */
2574 128 : if (*(cont->aligns + i) == 'l' && opt_table_attr)
2575 : {
2576 : #define LONGTABLE_WHITESPACE " \t\n"
2577 :
2578 : /* advance over whitespace */
2579 12 : next_opt_table_attr_char += strspn(next_opt_table_attr_char,
2580 : LONGTABLE_WHITESPACE);
2581 : /* We have a value? */
2582 12 : if (next_opt_table_attr_char[0] != '\0')
2583 : {
2584 4 : fputs("p{", fout);
2585 4 : fwrite(next_opt_table_attr_char, strcspn(next_opt_table_attr_char,
2586 : LONGTABLE_WHITESPACE), 1, fout);
2587 4 : last_opt_table_attr_char = next_opt_table_attr_char;
2588 4 : next_opt_table_attr_char += strcspn(next_opt_table_attr_char,
2589 : LONGTABLE_WHITESPACE);
2590 4 : fputs("\\textwidth}", fout);
2591 : }
2592 : /* use previous value */
2593 8 : else if (last_opt_table_attr_char != NULL)
2594 : {
2595 8 : fputs("p{", fout);
2596 8 : fwrite(last_opt_table_attr_char, strcspn(last_opt_table_attr_char,
2597 : LONGTABLE_WHITESPACE), 1, fout);
2598 8 : fputs("\\textwidth}", fout);
2599 : }
2600 : else
2601 0 : fputc('l', fout);
2602 : }
2603 : else
2604 116 : fputc(*(cont->aligns + i), fout);
2605 :
2606 128 : if (opt_border != 0 && i < cont->ncolumns - 1)
2607 88 : fputs(" | ", fout);
2608 : }
2609 :
2610 28 : if (opt_border >= 2)
2611 12 : fputs(" |", fout);
2612 :
2613 28 : fputs("}\n", fout);
2614 :
2615 : /* print headers */
2616 28 : if (!opt_tuples_only)
2617 : {
2618 : /* firsthead */
2619 24 : if (opt_border >= 2)
2620 12 : fputs("\\toprule\n", fout);
2621 132 : for (i = 0, ptr = cont->headers; i < cont->ncolumns; i++, ptr++)
2622 : {
2623 108 : if (i != 0)
2624 84 : fputs(" & ", fout);
2625 108 : fputs("\\small\\textbf{\\textit{", fout);
2626 108 : latex_escaped_print(*ptr, fout);
2627 108 : fputs("}}", fout);
2628 : }
2629 24 : fputs(" \\\\\n", fout);
2630 24 : fputs("\\midrule\n\\endfirsthead\n", fout);
2631 :
2632 : /* secondary heads */
2633 24 : if (opt_border >= 2)
2634 12 : fputs("\\toprule\n", fout);
2635 132 : for (i = 0, ptr = cont->headers; i < cont->ncolumns; i++, ptr++)
2636 : {
2637 108 : if (i != 0)
2638 84 : fputs(" & ", fout);
2639 108 : fputs("\\small\\textbf{\\textit{", fout);
2640 108 : latex_escaped_print(*ptr, fout);
2641 108 : fputs("}}", fout);
2642 : }
2643 24 : fputs(" \\\\\n", fout);
2644 : /* If the line under the row already appeared, don't do another */
2645 24 : if (opt_border != 3)
2646 16 : fputs("\\midrule\n", fout);
2647 24 : fputs("\\endhead\n", fout);
2648 :
2649 : /* table name, caption? */
2650 24 : if (!opt_tuples_only && cont->title)
2651 : {
2652 : /* Don't output if we are printing a line under each row */
2653 4 : if (opt_border == 2)
2654 0 : fputs("\\bottomrule\n", fout);
2655 4 : fputs("\\caption[", fout);
2656 4 : latex_escaped_print(cont->title, fout);
2657 4 : fputs(" (Continued)]{", fout);
2658 4 : latex_escaped_print(cont->title, fout);
2659 4 : fputs("}\n\\endfoot\n", fout);
2660 4 : if (opt_border == 2)
2661 0 : fputs("\\bottomrule\n", fout);
2662 4 : fputs("\\caption[", fout);
2663 4 : latex_escaped_print(cont->title, fout);
2664 4 : fputs("]{", fout);
2665 4 : latex_escaped_print(cont->title, fout);
2666 4 : fputs("}\n\\endlastfoot\n", fout);
2667 : }
2668 : /* output bottom table line? */
2669 20 : else if (opt_border >= 2)
2670 : {
2671 12 : fputs("\\bottomrule\n\\endfoot\n", fout);
2672 12 : fputs("\\bottomrule\n\\endlastfoot\n", fout);
2673 : }
2674 : }
2675 : }
2676 :
2677 : /* print cells */
2678 256 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2679 : {
2680 : /* Add a line under each row? */
2681 228 : if (i != 0 && i % cont->ncolumns != 0)
2682 176 : fputs("\n&\n", fout);
2683 228 : fputs("\\raggedright{", fout);
2684 228 : latex_escaped_print(*ptr, fout);
2685 228 : fputc('}', fout);
2686 228 : if ((i + 1) % cont->ncolumns == 0)
2687 : {
2688 52 : fputs(" \\tabularnewline\n", fout);
2689 52 : if (opt_border == 3)
2690 16 : fputs(" \\hline\n", fout);
2691 : }
2692 228 : if (cancel_pressed)
2693 0 : break;
2694 : }
2695 :
2696 28 : if (cont->opt->stop_table)
2697 28 : fputs("\\end{longtable}\n", fout);
2698 : }
2699 :
2700 :
2701 : static void
2702 52 : print_latex_vertical(const printTableContent *cont, FILE *fout)
2703 : {
2704 52 : bool opt_tuples_only = cont->opt->tuples_only;
2705 52 : unsigned short opt_border = cont->opt->border;
2706 52 : unsigned long record = cont->opt->prior_records + 1;
2707 : unsigned int i;
2708 : const char *const *ptr;
2709 :
2710 52 : if (cancel_pressed)
2711 0 : return;
2712 :
2713 52 : if (opt_border > 2)
2714 12 : opt_border = 2;
2715 :
2716 52 : if (cont->opt->start_table)
2717 : {
2718 : /* print title */
2719 52 : if (!opt_tuples_only && cont->title)
2720 : {
2721 8 : fputs("\\begin{center}\n", fout);
2722 8 : latex_escaped_print(cont->title, fout);
2723 8 : fputs("\n\\end{center}\n\n", fout);
2724 : }
2725 :
2726 : /* begin environment and set alignments and borders */
2727 52 : fputs("\\begin{tabular}{", fout);
2728 52 : if (opt_border == 0)
2729 8 : fputs("cl", fout);
2730 44 : else if (opt_border == 1)
2731 24 : fputs("c|l", fout);
2732 20 : else if (opt_border == 2)
2733 20 : fputs("|c|l|", fout);
2734 52 : fputs("}\n", fout);
2735 : }
2736 :
2737 : /* print records */
2738 476 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2739 : {
2740 : /* new record */
2741 424 : if (i % cont->ncolumns == 0)
2742 : {
2743 96 : if (cancel_pressed)
2744 0 : break;
2745 96 : if (!opt_tuples_only)
2746 : {
2747 80 : if (opt_border == 2)
2748 : {
2749 40 : fputs("\\hline\n", fout);
2750 40 : fprintf(fout, "\\multicolumn{2}{|c|}{\\textit{Record %lu}} \\\\\n", record++);
2751 : }
2752 : else
2753 40 : fprintf(fout, "\\multicolumn{2}{c}{\\textit{Record %lu}} \\\\\n", record++);
2754 : }
2755 96 : if (opt_border >= 1)
2756 80 : fputs("\\hline\n", fout);
2757 : }
2758 :
2759 424 : latex_escaped_print(cont->headers[i % cont->ncolumns], fout);
2760 424 : fputs(" & ", fout);
2761 424 : latex_escaped_print(*ptr, fout);
2762 424 : fputs(" \\\\\n", fout);
2763 : }
2764 :
2765 52 : if (cont->opt->stop_table)
2766 : {
2767 52 : if (opt_border == 2)
2768 20 : fputs("\\hline\n", fout);
2769 :
2770 52 : fputs("\\end{tabular}\n\n\\noindent ", fout);
2771 :
2772 : /* print footers */
2773 52 : if (cont->footers && !opt_tuples_only && !cancel_pressed)
2774 : {
2775 : printTableFooter *f;
2776 :
2777 16 : for (f = cont->footers; f; f = f->next)
2778 : {
2779 8 : latex_escaped_print(f->data, fout);
2780 8 : fputs(" \\\\\n", fout);
2781 : }
2782 : }
2783 :
2784 52 : fputc('\n', fout);
2785 : }
2786 : }
2787 :
2788 :
2789 : /*************************/
2790 : /* Troff -ms */
2791 : /*************************/
2792 :
2793 :
2794 : static void
2795 596 : troff_ms_escaped_print(const char *in, FILE *fout)
2796 : {
2797 : const char *p;
2798 :
2799 4792 : for (p = in; *p; p++)
2800 4196 : switch (*p)
2801 : {
2802 84 : case '\\':
2803 84 : fputs("\\(rs", fout);
2804 84 : break;
2805 4112 : default:
2806 4112 : fputc(*p, fout);
2807 : }
2808 596 : }
2809 :
2810 :
2811 : static void
2812 20 : print_troff_ms_text(const printTableContent *cont, FILE *fout)
2813 : {
2814 20 : bool opt_tuples_only = cont->opt->tuples_only;
2815 20 : unsigned short opt_border = cont->opt->border;
2816 : unsigned int i;
2817 : const char *const *ptr;
2818 :
2819 20 : if (cancel_pressed)
2820 0 : return;
2821 :
2822 20 : if (opt_border > 2)
2823 0 : opt_border = 2;
2824 :
2825 20 : if (cont->opt->start_table)
2826 : {
2827 : /* print title */
2828 20 : if (!opt_tuples_only && cont->title)
2829 : {
2830 4 : fputs(".LP\n.DS C\n", fout);
2831 4 : troff_ms_escaped_print(cont->title, fout);
2832 4 : fputs("\n.DE\n", fout);
2833 : }
2834 :
2835 : /* begin environment and set alignments and borders */
2836 20 : fputs(".LP\n.TS\n", fout);
2837 20 : if (opt_border == 2)
2838 4 : fputs("center box;\n", fout);
2839 : else
2840 16 : fputs("center;\n", fout);
2841 :
2842 116 : for (i = 0; i < cont->ncolumns; i++)
2843 : {
2844 96 : fputc(*(cont->aligns + i), fout);
2845 96 : if (opt_border > 0 && i < cont->ncolumns - 1)
2846 64 : fputs(" | ", fout);
2847 : }
2848 20 : fputs(".\n", fout);
2849 :
2850 : /* print headers */
2851 20 : if (!opt_tuples_only)
2852 : {
2853 92 : for (i = 0, ptr = cont->headers; i < cont->ncolumns; i++, ptr++)
2854 : {
2855 76 : if (i != 0)
2856 60 : fputc('\t', fout);
2857 76 : fputs("\\fI", fout);
2858 76 : troff_ms_escaped_print(*ptr, fout);
2859 76 : fputs("\\fP", fout);
2860 : }
2861 16 : fputs("\n_\n", fout);
2862 : }
2863 : }
2864 :
2865 : /* print cells */
2866 184 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2867 : {
2868 164 : troff_ms_escaped_print(*ptr, fout);
2869 :
2870 164 : if ((i + 1) % cont->ncolumns == 0)
2871 : {
2872 36 : fputc('\n', fout);
2873 36 : if (cancel_pressed)
2874 0 : break;
2875 : }
2876 : else
2877 128 : fputc('\t', fout);
2878 : }
2879 :
2880 20 : if (cont->opt->stop_table)
2881 : {
2882 20 : printTableFooter *footers = footers_with_default(cont);
2883 :
2884 20 : fputs(".TE\n.DS L\n", fout);
2885 :
2886 : /* print footers */
2887 20 : if (footers && !opt_tuples_only && !cancel_pressed)
2888 : {
2889 : printTableFooter *f;
2890 :
2891 32 : for (f = footers; f; f = f->next)
2892 : {
2893 16 : troff_ms_escaped_print(f->data, fout);
2894 16 : fputc('\n', fout);
2895 : }
2896 : }
2897 :
2898 20 : fputs(".DE\n", fout);
2899 : }
2900 : }
2901 :
2902 :
2903 : static void
2904 20 : print_troff_ms_vertical(const printTableContent *cont, FILE *fout)
2905 : {
2906 20 : bool opt_tuples_only = cont->opt->tuples_only;
2907 20 : unsigned short opt_border = cont->opt->border;
2908 20 : unsigned long record = cont->opt->prior_records + 1;
2909 : unsigned int i;
2910 : const char *const *ptr;
2911 20 : unsigned short current_format = 0; /* 0=none, 1=header, 2=body */
2912 :
2913 20 : if (cancel_pressed)
2914 0 : return;
2915 :
2916 20 : if (opt_border > 2)
2917 0 : opt_border = 2;
2918 :
2919 20 : if (cont->opt->start_table)
2920 : {
2921 : /* print title */
2922 20 : if (!opt_tuples_only && cont->title)
2923 : {
2924 4 : fputs(".LP\n.DS C\n", fout);
2925 4 : troff_ms_escaped_print(cont->title, fout);
2926 4 : fputs("\n.DE\n", fout);
2927 : }
2928 :
2929 : /* begin environment and set alignments and borders */
2930 20 : fputs(".LP\n.TS\n", fout);
2931 20 : if (opt_border == 2)
2932 4 : fputs("center box;\n", fout);
2933 : else
2934 16 : fputs("center;\n", fout);
2935 :
2936 : /* basic format */
2937 20 : if (opt_tuples_only)
2938 4 : fputs("c l;\n", fout);
2939 : }
2940 : else
2941 0 : current_format = 2; /* assume tuples printed already */
2942 :
2943 : /* print records */
2944 184 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2945 : {
2946 : /* new record */
2947 164 : if (i % cont->ncolumns == 0)
2948 : {
2949 36 : if (cancel_pressed)
2950 0 : break;
2951 36 : if (!opt_tuples_only)
2952 : {
2953 28 : if (current_format != 1)
2954 : {
2955 28 : if (opt_border == 2 && record > 1)
2956 4 : fputs("_\n", fout);
2957 28 : if (current_format != 0)
2958 12 : fputs(".T&\n", fout);
2959 28 : fputs("c s.\n", fout);
2960 28 : current_format = 1;
2961 : }
2962 28 : fprintf(fout, "\\fIRecord %lu\\fP\n", record++);
2963 : }
2964 36 : if (opt_border >= 1)
2965 28 : fputs("_\n", fout);
2966 : }
2967 :
2968 164 : if (!opt_tuples_only)
2969 : {
2970 124 : if (current_format != 2)
2971 : {
2972 28 : if (current_format != 0)
2973 28 : fputs(".T&\n", fout);
2974 28 : if (opt_border != 1)
2975 16 : fputs("c l.\n", fout);
2976 : else
2977 12 : fputs("c | l.\n", fout);
2978 28 : current_format = 2;
2979 : }
2980 : }
2981 :
2982 164 : troff_ms_escaped_print(cont->headers[i % cont->ncolumns], fout);
2983 164 : fputc('\t', fout);
2984 164 : troff_ms_escaped_print(*ptr, fout);
2985 :
2986 164 : fputc('\n', fout);
2987 : }
2988 :
2989 20 : if (cont->opt->stop_table)
2990 : {
2991 20 : fputs(".TE\n.DS L\n", fout);
2992 :
2993 : /* print footers */
2994 20 : if (cont->footers && !opt_tuples_only && !cancel_pressed)
2995 : {
2996 : printTableFooter *f;
2997 :
2998 8 : for (f = cont->footers; f; f = f->next)
2999 : {
3000 4 : troff_ms_escaped_print(f->data, fout);
3001 4 : fputc('\n', fout);
3002 : }
3003 : }
3004 :
3005 20 : fputs(".DE\n", fout);
3006 : }
3007 : }
3008 :
3009 :
3010 : /********************************/
3011 : /* Public functions */
3012 : /********************************/
3013 :
3014 :
3015 : /*
3016 : * disable_sigpipe_trap
3017 : *
3018 : * Turn off SIGPIPE interrupt --- call this before writing to a temporary
3019 : * query output file that is a pipe.
3020 : *
3021 : * No-op on Windows, where there's no SIGPIPE interrupts.
3022 : */
3023 : void
3024 7 : disable_sigpipe_trap(void)
3025 : {
3026 : #ifndef WIN32
3027 7 : pqsignal(SIGPIPE, SIG_IGN);
3028 : #endif
3029 7 : }
3030 :
3031 : /*
3032 : * restore_sigpipe_trap
3033 : *
3034 : * Restore normal SIGPIPE interrupt --- call this when done writing to a
3035 : * temporary query output file that was (or might have been) a pipe.
3036 : *
3037 : * Note: within psql, we enable SIGPIPE interrupts unless the permanent query
3038 : * output file is a pipe, in which case they should be kept off. This
3039 : * approach works only because psql is not currently complicated enough to
3040 : * have nested usages of short-lived output files. Otherwise we'd probably
3041 : * need a genuine save-and-restore-state approach; but for now, that would be
3042 : * useless complication. In non-psql programs, this always enables SIGPIPE.
3043 : *
3044 : * No-op on Windows, where there's no SIGPIPE interrupts.
3045 : */
3046 : void
3047 9931 : restore_sigpipe_trap(void)
3048 : {
3049 : #ifndef WIN32
3050 9931 : pqsignal(SIGPIPE, always_ignore_sigpipe ? SIG_IGN : SIG_DFL);
3051 : #endif
3052 9931 : }
3053 :
3054 : /*
3055 : * set_sigpipe_trap_state
3056 : *
3057 : * Set the trap state that restore_sigpipe_trap should restore to.
3058 : */
3059 : void
3060 9924 : set_sigpipe_trap_state(bool ignore)
3061 : {
3062 9924 : always_ignore_sigpipe = ignore;
3063 9924 : }
3064 :
3065 :
3066 : /*
3067 : * PageOutput
3068 : *
3069 : * Tests if pager is needed and returns appropriate FILE pointer
3070 : * (either a pipe, or stdout if we don't need the pager).
3071 : *
3072 : * lines: number of lines that will be printed
3073 : * topt: print formatting options
3074 : *
3075 : * If the topt argument is NULL no pager is used.
3076 : */
3077 : FILE *
3078 599 : PageOutput(int lines, const printTableOpt *topt)
3079 : {
3080 599 : return PageOutputInternal(lines, topt, NULL, NULL, false);
3081 : }
3082 :
3083 : /*
3084 : * Private version that allows for line-counting to be avoided when
3085 : * not needed. If "cont" is not null then the input value of "lines"
3086 : * is ignored and we count lines based on cont + width_wrap + vertical
3087 : * (see count_table_lines).
3088 : */
3089 : static FILE *
3090 97460 : PageOutputInternal(int lines, const printTableOpt *topt,
3091 : const printTableContent *cont,
3092 : const unsigned int *width_wrap,
3093 : bool vertical)
3094 : {
3095 : /* check whether we need / can / are supposed to use pager */
3096 97460 : if (topt && topt->pager && isatty(fileno(stdin)) && isatty(fileno(stdout)))
3097 : {
3098 : /* without TIOCGWINSZ, pager == 1 acts the same as pager > 1 */
3099 : #ifdef TIOCGWINSZ
3100 4 : unsigned short int pager = topt->pager;
3101 4 : int min_lines = topt->pager_min_lines;
3102 :
3103 4 : if (pager == 1)
3104 : {
3105 : int result;
3106 : struct winsize screen_size;
3107 :
3108 4 : result = ioctl(fileno(stdout), TIOCGWINSZ, &screen_size);
3109 4 : if (result < 0)
3110 0 : pager = 2; /* force use of pager */
3111 : else
3112 : {
3113 4 : int threshold = Max(screen_size.ws_row, min_lines);
3114 :
3115 4 : if (cont) /* caller wants us to calculate lines */
3116 4 : lines = count_table_lines(cont, width_wrap, vertical,
3117 : threshold);
3118 : /* >= accounts for a one-line prompt */
3119 4 : if (lines >= threshold)
3120 3 : pager = 2;
3121 : }
3122 : }
3123 :
3124 4 : if (pager > 1)
3125 : #endif
3126 : {
3127 : const char *pagerprog;
3128 : FILE *pagerpipe;
3129 :
3130 3 : pagerprog = getenv("PSQL_PAGER");
3131 3 : if (!pagerprog)
3132 0 : pagerprog = getenv("PAGER");
3133 3 : if (!pagerprog)
3134 0 : pagerprog = DEFAULT_PAGER;
3135 : else
3136 : {
3137 : /* if PAGER is empty or all-white-space, don't use pager */
3138 3 : if (strspn(pagerprog, " \t\r\n") == strlen(pagerprog))
3139 0 : return stdout;
3140 : }
3141 3 : fflush(NULL);
3142 3 : disable_sigpipe_trap();
3143 3 : pagerpipe = popen(pagerprog, "w");
3144 3 : if (pagerpipe)
3145 3 : return pagerpipe;
3146 : /* if popen fails, silently proceed without pager */
3147 0 : restore_sigpipe_trap();
3148 : }
3149 : }
3150 :
3151 97457 : return stdout;
3152 : }
3153 :
3154 : /*
3155 : * ClosePager
3156 : *
3157 : * Close previously opened pager pipe, if any
3158 : */
3159 : void
3160 602 : ClosePager(FILE *pagerpipe)
3161 : {
3162 602 : if (pagerpipe && pagerpipe != stdout)
3163 : {
3164 : /*
3165 : * If printing was canceled midstream, warn about it.
3166 : *
3167 : * Some pagers like less use Ctrl-C as part of their command set. Even
3168 : * so, we abort our processing and warn the user what we did. If the
3169 : * pager quit as a result of the SIGINT, this message won't go
3170 : * anywhere ...
3171 : */
3172 3 : if (cancel_pressed)
3173 0 : fprintf(pagerpipe, _("Interrupted\n"));
3174 :
3175 3 : pclose(pagerpipe);
3176 3 : restore_sigpipe_trap();
3177 : }
3178 602 : }
3179 :
3180 : /*
3181 : * Initialise a table contents struct.
3182 : * Must be called before any other printTable method is used.
3183 : *
3184 : * The title is not duplicated; the caller must ensure that the buffer
3185 : * is available for the lifetime of the printTableContent struct.
3186 : *
3187 : * If you call this, you must call printTableCleanup once you're done with the
3188 : * table.
3189 : */
3190 : void
3191 97443 : printTableInit(printTableContent *const content, const printTableOpt *opt,
3192 : const char *title, const int ncolumns, const int nrows)
3193 : {
3194 : uint64 total_cells;
3195 :
3196 97443 : content->opt = opt;
3197 97443 : content->title = title;
3198 97443 : content->ncolumns = ncolumns;
3199 97443 : content->nrows = nrows;
3200 :
3201 97443 : content->headers = pg_malloc0_array(const char *, (ncolumns + 1));
3202 :
3203 97443 : total_cells = (uint64) ncolumns * nrows;
3204 : /* Catch possible overflow. Using >= here allows adding 1 below */
3205 97443 : if (total_cells >= SIZE_MAX / sizeof(*content->cells))
3206 : {
3207 0 : fprintf(stderr, _("Cannot print table contents: number of cells %" PRIu64 " is equal to or exceeds maximum %zu.\n"),
3208 : total_cells,
3209 : SIZE_MAX / sizeof(*content->cells));
3210 0 : exit(EXIT_FAILURE);
3211 : }
3212 97443 : content->cells = pg_malloc0_array(const char *, (total_cells + 1));
3213 :
3214 97443 : content->cellmustfree = NULL;
3215 97443 : content->footers = NULL;
3216 :
3217 97443 : content->aligns = pg_malloc0_array(char, (ncolumns + 1));
3218 :
3219 97443 : content->header = content->headers;
3220 97443 : content->cell = content->cells;
3221 97443 : content->footer = content->footers;
3222 97443 : content->align = content->aligns;
3223 97443 : content->cellsadded = 0;
3224 97443 : }
3225 :
3226 : /*
3227 : * Add a header to the table.
3228 : *
3229 : * Headers are not duplicated; you must ensure that the header string is
3230 : * available for the lifetime of the printTableContent struct.
3231 : *
3232 : * If translate is true, the function will pass the header through gettext.
3233 : * Otherwise, the header will not be translated.
3234 : *
3235 : * align is either 'l' or 'r', and specifies the alignment for cells in this
3236 : * column.
3237 : */
3238 : void
3239 186845 : printTableAddHeader(printTableContent *const content, char *header,
3240 : const bool translate, const char align)
3241 : {
3242 : #ifndef ENABLE_NLS
3243 : (void) translate; /* unused parameter */
3244 : #endif
3245 :
3246 186845 : if (content->header >= content->headers + content->ncolumns)
3247 : {
3248 0 : fprintf(stderr, _("Cannot add header to table content: "
3249 : "column count of %d exceeded.\n"),
3250 : content->ncolumns);
3251 0 : exit(EXIT_FAILURE);
3252 : }
3253 :
3254 373690 : *content->header = (char *) mbvalidate((unsigned char *) header,
3255 186845 : content->opt->encoding);
3256 : #ifdef ENABLE_NLS
3257 186845 : if (translate)
3258 27275 : *content->header = _(*content->header);
3259 : #endif
3260 186845 : content->header++;
3261 :
3262 186845 : *content->align = align;
3263 186845 : content->align++;
3264 186845 : }
3265 :
3266 : /*
3267 : * Add a cell to the table.
3268 : *
3269 : * Cells are not duplicated; you must ensure that the cell string is available
3270 : * for the lifetime of the printTableContent struct.
3271 : *
3272 : * If translate is true, the function will pass the cell through gettext.
3273 : * Otherwise, the cell will not be translated.
3274 : *
3275 : * If mustfree is true, the cell string is freed by printTableCleanup().
3276 : * Note: Automatic freeing of translatable strings is not supported.
3277 : */
3278 : void
3279 2593221 : printTableAddCell(printTableContent *const content, char *cell,
3280 : const bool translate, const bool mustfree)
3281 : {
3282 : uint64 total_cells;
3283 :
3284 : #ifndef ENABLE_NLS
3285 : (void) translate; /* unused parameter */
3286 : #endif
3287 :
3288 2593221 : total_cells = (uint64) content->ncolumns * content->nrows;
3289 2593221 : if (content->cellsadded >= total_cells)
3290 : {
3291 0 : fprintf(stderr, _("Cannot add cell to table content: total cell count of %" PRIu64 " exceeded.\n"),
3292 : total_cells);
3293 0 : exit(EXIT_FAILURE);
3294 : }
3295 :
3296 5186442 : *content->cell = (char *) mbvalidate((unsigned char *) cell,
3297 2593221 : content->opt->encoding);
3298 :
3299 : #ifdef ENABLE_NLS
3300 2593221 : if (translate)
3301 1247 : *content->cell = _(*content->cell);
3302 : #endif
3303 :
3304 2593221 : if (mustfree)
3305 : {
3306 382 : if (content->cellmustfree == NULL)
3307 294 : content->cellmustfree =
3308 294 : pg_malloc0_array(bool, (total_cells + 1));
3309 :
3310 382 : content->cellmustfree[content->cellsadded] = true;
3311 : }
3312 2593221 : content->cell++;
3313 2593221 : content->cellsadded++;
3314 2593221 : }
3315 :
3316 : /*
3317 : * Add a footer to the table.
3318 : *
3319 : * Footers are added as elements of a singly-linked list, and the content is
3320 : * strdup'd, so there is no need to keep the original footer string around.
3321 : *
3322 : * Footers are never translated by the function. If you want the footer
3323 : * translated you must do so yourself, before calling printTableAddFooter. The
3324 : * reason this works differently to headers and cells is that footers tend to
3325 : * be made of up individually translated components, rather than being
3326 : * translated as a whole.
3327 : */
3328 : void
3329 9135 : printTableAddFooter(printTableContent *const content, const char *footer)
3330 : {
3331 : printTableFooter *f;
3332 :
3333 9135 : f = pg_malloc0_object(printTableFooter);
3334 9135 : f->data = pg_strdup(footer);
3335 :
3336 9135 : if (content->footers == NULL)
3337 2662 : content->footers = f;
3338 : else
3339 6473 : content->footer->next = f;
3340 :
3341 9135 : content->footer = f;
3342 9135 : }
3343 :
3344 : /*
3345 : * Change the content of the last-added footer.
3346 : *
3347 : * The current contents of the last-added footer are freed, and replaced by the
3348 : * content given in *footer. If there was no previous footer, add a new one.
3349 : *
3350 : * The content is strdup'd, so there is no need to keep the original string
3351 : * around.
3352 : */
3353 : void
3354 20 : printTableSetFooter(printTableContent *const content, const char *footer)
3355 : {
3356 20 : if (content->footers != NULL)
3357 : {
3358 20 : free(content->footer->data);
3359 20 : content->footer->data = pg_strdup(footer);
3360 : }
3361 : else
3362 0 : printTableAddFooter(content, footer);
3363 20 : }
3364 :
3365 : /*
3366 : * Free all memory allocated to this struct.
3367 : *
3368 : * Once this has been called, the struct is unusable unless you pass it to
3369 : * printTableInit() again.
3370 : */
3371 : void
3372 97443 : printTableCleanup(printTableContent *const content)
3373 : {
3374 97443 : if (content->cellmustfree)
3375 : {
3376 : uint64 total_cells;
3377 :
3378 294 : total_cells = (uint64) content->ncolumns * content->nrows;
3379 5450 : for (uint64 i = 0; i < total_cells; i++)
3380 : {
3381 5156 : if (content->cellmustfree[i])
3382 382 : free(unconstify(char *, content->cells[i]));
3383 : }
3384 294 : free(content->cellmustfree);
3385 294 : content->cellmustfree = NULL;
3386 : }
3387 97443 : free(content->headers);
3388 97443 : free(content->cells);
3389 97443 : free(content->aligns);
3390 :
3391 97443 : content->opt = NULL;
3392 97443 : content->title = NULL;
3393 97443 : content->headers = NULL;
3394 97443 : content->cells = NULL;
3395 97443 : content->aligns = NULL;
3396 97443 : content->header = NULL;
3397 97443 : content->cell = NULL;
3398 97443 : content->align = NULL;
3399 :
3400 97443 : if (content->footers)
3401 : {
3402 11797 : for (content->footer = content->footers; content->footer;)
3403 : {
3404 : printTableFooter *f;
3405 :
3406 9135 : f = content->footer;
3407 9135 : content->footer = f->next;
3408 9135 : free(f->data);
3409 9135 : free(f);
3410 : }
3411 : }
3412 97443 : content->footers = NULL;
3413 97443 : content->footer = NULL;
3414 97443 : }
3415 :
3416 : /*
3417 : * IsPagerNeeded
3418 : *
3419 : * Setup pager if required
3420 : *
3421 : * cont: table data to be printed
3422 : * width_wrap[]: per-column maximum width, or NULL if caller will not wrap
3423 : * vertical: vertical mode?
3424 : * fout: where to print to (in/out argument)
3425 : * is_pager: output argument
3426 : *
3427 : * If we decide pager is needed, *fout is modified and *is_pager is set true
3428 : */
3429 : static void
3430 96897 : IsPagerNeeded(const printTableContent *cont, const unsigned int *width_wrap,
3431 : bool vertical,
3432 : FILE **fout, bool *is_pager)
3433 : {
3434 96897 : if (*fout == stdout)
3435 : {
3436 96861 : *fout = PageOutputInternal(0, cont->opt, cont, width_wrap, vertical);
3437 96861 : *is_pager = (*fout != stdout);
3438 : }
3439 : else
3440 36 : *is_pager = false;
3441 96897 : }
3442 :
3443 : /*
3444 : * Count the number of lines needed to print the given table.
3445 : *
3446 : * cont: table data to be printed
3447 : * width_wrap[]: per-column maximum width, or NULL if caller will not wrap
3448 : * vertical: vertical mode?
3449 : * threshold: we can stop counting once we pass this many lines
3450 : *
3451 : * The result is currently only fully accurate for ALIGNED/WRAPPED and
3452 : * UNALIGNED formats; otherwise it's an approximation.
3453 : *
3454 : * Note: while cont->opt will tell us most formatting details, we need the
3455 : * separate "vertical" flag because of the possibility of a dynamic switch
3456 : * from aligned_text to aligned_vertical format.
3457 : *
3458 : * The point of the threshold parameter is that when the table is very long,
3459 : * we'll typically be able to stop scanning after not many rows.
3460 : */
3461 : #ifdef NEED_COUNT_TABLE_LINES
3462 : static int
3463 4 : count_table_lines(const printTableContent *cont,
3464 : const unsigned int *width_wrap,
3465 : bool vertical,
3466 : int threshold)
3467 : {
3468 : int *header_height;
3469 4 : int lines = 0,
3470 4 : max_lines = 0,
3471 : nl_lines,
3472 : i;
3473 4 : int encoding = cont->opt->encoding;
3474 : const char *const *cell;
3475 :
3476 : /*
3477 : * Scan all column headers and determine their heights. Cache the values
3478 : * since vertical mode repeats the headers for every record.
3479 : */
3480 4 : header_height = pg_malloc_array(int, cont->ncolumns);
3481 14 : for (i = 0; i < cont->ncolumns; i++)
3482 : {
3483 10 : pg_wcssize((const unsigned char *) cont->headers[i],
3484 10 : strlen(cont->headers[i]), encoding,
3485 10 : NULL, &header_height[i], NULL);
3486 : }
3487 :
3488 : /*
3489 : * Account for separator lines (if used), as well as the trailing blank
3490 : * line that most formats emit.
3491 : */
3492 4 : switch (cont->opt->format)
3493 : {
3494 0 : case PRINT_ALIGNED:
3495 : case PRINT_WRAPPED:
3496 :
3497 : /*
3498 : * Vertical mode writes one separator line per record. Normal
3499 : * mode writes a single separator line between header and rows.
3500 : */
3501 0 : lines = vertical ? cont->nrows : 1;
3502 : /* Both modes add a blank line at the end */
3503 0 : lines++;
3504 0 : break;
3505 4 : case PRINT_UNALIGNED:
3506 :
3507 : /*
3508 : * Vertical mode writes a separator (here assumed to be a newline)
3509 : * between records. Normal mode writes nothing extra.
3510 : */
3511 4 : if (vertical)
3512 1 : lines = Max(cont->nrows - 1, 0);
3513 4 : break;
3514 0 : case PRINT_CSV:
3515 : /* Nothing extra is added */
3516 0 : break;
3517 0 : case PRINT_HTML:
3518 : case PRINT_ASCIIDOC:
3519 : case PRINT_LATEX:
3520 : case PRINT_LATEX_LONGTABLE:
3521 : case PRINT_TROFF_MS:
3522 :
3523 : /*
3524 : * These formats aren't really meant for interactive consumption,
3525 : * so for now we won't work hard on them. Treat them like aligned
3526 : * mode.
3527 : */
3528 0 : lines = vertical ? cont->nrows : 1;
3529 0 : lines++;
3530 0 : break;
3531 0 : case PRINT_NOTHING:
3532 : /* Shouldn't get here... */
3533 0 : break;
3534 : }
3535 :
3536 : /* Scan all cells to count their lines */
3537 230 : for (i = 0, cell = cont->cells; *cell; cell++)
3538 : {
3539 : int width;
3540 :
3541 : /* Count the original line breaks */
3542 228 : pg_wcssize((const unsigned char *) *cell, strlen(*cell), encoding,
3543 : &width, &nl_lines, NULL);
3544 :
3545 : /* Count extra lines due to wrapping */
3546 228 : if (width > 0 && width_wrap && width_wrap[i])
3547 0 : nl_lines += (width - 1) / width_wrap[i];
3548 :
3549 228 : if (vertical)
3550 : {
3551 : /* Pick the height of the header or cell, whichever is taller */
3552 6 : if (nl_lines > header_height[i])
3553 0 : lines += nl_lines;
3554 : else
3555 6 : lines += header_height[i];
3556 : }
3557 : else
3558 : {
3559 : /* Remember max height in the current row */
3560 222 : if (nl_lines > max_lines)
3561 72 : max_lines = nl_lines;
3562 : }
3563 :
3564 : /* i is the current column number: increment with wrap */
3565 228 : if (++i >= cont->ncolumns)
3566 : {
3567 78 : i = 0;
3568 78 : if (!vertical)
3569 : {
3570 : /* At last column of each row, add tallest column height */
3571 72 : lines += max_lines;
3572 72 : max_lines = 0;
3573 : }
3574 : /* Stop scanning table body once we pass threshold */
3575 78 : if (lines > threshold)
3576 2 : break;
3577 : }
3578 : }
3579 :
3580 : /* Account for header and footer decoration */
3581 4 : if (!cont->opt->tuples_only && lines <= threshold)
3582 : {
3583 : printTableFooter *f;
3584 :
3585 0 : if (cont->title)
3586 : {
3587 : /* Add height of title */
3588 0 : pg_wcssize((const unsigned char *) cont->title, strlen(cont->title),
3589 : encoding, NULL, &nl_lines, NULL);
3590 0 : lines += nl_lines;
3591 : }
3592 :
3593 0 : if (!vertical)
3594 : {
3595 : /* Add height of tallest header column */
3596 0 : max_lines = 0;
3597 0 : for (i = 0; i < cont->ncolumns; i++)
3598 : {
3599 0 : if (header_height[i] > max_lines)
3600 0 : max_lines = header_height[i];
3601 : }
3602 0 : lines += max_lines;
3603 : }
3604 :
3605 : /*
3606 : * Add all footer lines. Vertical mode does not use the default
3607 : * footer, but we must include that in normal mode.
3608 : */
3609 0 : for (f = (vertical ? cont->footers : footers_with_default(cont));
3610 0 : f != NULL; f = f->next)
3611 : {
3612 0 : pg_wcssize((const unsigned char *) f->data, strlen(f->data),
3613 : encoding, NULL, &nl_lines, NULL);
3614 0 : lines += nl_lines;
3615 : /* Stop scanning footers once we pass threshold */
3616 0 : if (lines > threshold)
3617 0 : break;
3618 : }
3619 : }
3620 :
3621 4 : free(header_height);
3622 :
3623 4 : return lines;
3624 : }
3625 : #endif /* NEED_COUNT_TABLE_LINES */
3626 :
3627 : /*
3628 : * Use this to print any table in the supported formats.
3629 : *
3630 : * cont: table data and formatting options
3631 : * fout: where to print to
3632 : * is_pager: true if caller has already redirected fout to be a pager pipe
3633 : * flog: if not null, also print the table there (for --log-file option)
3634 : */
3635 : void
3636 97439 : printTable(const printTableContent *cont,
3637 : FILE *fout, bool is_pager, FILE *flog)
3638 : {
3639 97439 : bool is_local_pager = false;
3640 :
3641 97439 : if (cancel_pressed)
3642 0 : return;
3643 :
3644 97439 : if (cont->opt->format == PRINT_NOTHING)
3645 0 : return;
3646 :
3647 : /* print_aligned_*() handle the pager themselves */
3648 97439 : if (!is_pager &&
3649 97339 : cont->opt->format != PRINT_ALIGNED &&
3650 9991 : cont->opt->format != PRINT_WRAPPED)
3651 : {
3652 9823 : IsPagerNeeded(cont, NULL, (cont->opt->expanded == 1), &fout, &is_pager);
3653 9823 : is_local_pager = is_pager;
3654 : }
3655 :
3656 : /* clear any pre-existing error indication on the output stream */
3657 97439 : clearerr(fout);
3658 :
3659 : /* print the stuff */
3660 97439 : switch (cont->opt->format)
3661 : {
3662 9555 : case PRINT_UNALIGNED:
3663 9555 : if (cont->opt->expanded == 1)
3664 69 : print_unaligned_vertical(cont, fout);
3665 : else
3666 9486 : print_unaligned_text(cont, fout);
3667 9555 : break;
3668 87616 : case PRINT_ALIGNED:
3669 : case PRINT_WRAPPED:
3670 :
3671 : /*
3672 : * In expanded-auto mode, force vertical if a pager is passed in;
3673 : * else we may make different decisions for different hunks of the
3674 : * query result.
3675 : */
3676 87616 : if (cont->opt->expanded == 1 ||
3677 87236 : (cont->opt->expanded == 2 && is_pager))
3678 380 : print_aligned_vertical(cont, fout, is_pager);
3679 : else
3680 87236 : print_aligned_text(cont, fout, is_pager);
3681 87616 : break;
3682 44 : case PRINT_CSV:
3683 44 : if (cont->opt->expanded == 1)
3684 12 : print_csv_vertical(cont, fout);
3685 : else
3686 32 : print_csv_text(cont, fout);
3687 44 : break;
3688 40 : case PRINT_HTML:
3689 40 : if (cont->opt->expanded == 1)
3690 20 : print_html_vertical(cont, fout);
3691 : else
3692 20 : print_html_text(cont, fout);
3693 40 : break;
3694 40 : case PRINT_ASCIIDOC:
3695 40 : if (cont->opt->expanded == 1)
3696 20 : print_asciidoc_vertical(cont, fout);
3697 : else
3698 20 : print_asciidoc_text(cont, fout);
3699 40 : break;
3700 48 : case PRINT_LATEX:
3701 48 : if (cont->opt->expanded == 1)
3702 24 : print_latex_vertical(cont, fout);
3703 : else
3704 24 : print_latex_text(cont, fout);
3705 48 : break;
3706 56 : case PRINT_LATEX_LONGTABLE:
3707 56 : if (cont->opt->expanded == 1)
3708 28 : print_latex_vertical(cont, fout);
3709 : else
3710 28 : print_latex_longtable_text(cont, fout);
3711 56 : break;
3712 40 : case PRINT_TROFF_MS:
3713 40 : if (cont->opt->expanded == 1)
3714 20 : print_troff_ms_vertical(cont, fout);
3715 : else
3716 20 : print_troff_ms_text(cont, fout);
3717 40 : break;
3718 0 : default:
3719 0 : fprintf(stderr, _("invalid output format (internal error): %d"),
3720 0 : cont->opt->format);
3721 0 : exit(EXIT_FAILURE);
3722 : }
3723 :
3724 97439 : if (is_local_pager)
3725 3 : ClosePager(fout);
3726 :
3727 : /* also produce log output if wanted */
3728 97439 : if (flog)
3729 0 : print_aligned_text(cont, flog, false);
3730 : }
3731 :
3732 : /*
3733 : * Use this to print query results
3734 : *
3735 : * result: result of a successful query
3736 : * opt: formatting options
3737 : * fout: where to print to
3738 : * is_pager: true if caller has already redirected fout to be a pager pipe
3739 : * flog: if not null, also print the data there (for --log-file option)
3740 : */
3741 : void
3742 94467 : printQuery(const PGresult *result, const printQueryOpt *opt,
3743 : FILE *fout, bool is_pager, FILE *flog)
3744 : {
3745 : printTableContent cont;
3746 : int i,
3747 : r,
3748 : c;
3749 :
3750 94467 : if (cancel_pressed)
3751 0 : return;
3752 :
3753 94467 : printTableInit(&cont, &opt->topt, opt->title,
3754 : PQnfields(result), PQntuples(result));
3755 :
3756 : /* Assert caller supplied enough translate_columns[] entries */
3757 : Assert(opt->translate_columns == NULL ||
3758 : opt->n_translate_columns >= cont.ncolumns);
3759 :
3760 261809 : for (i = 0; i < cont.ncolumns; i++)
3761 : {
3762 167342 : printTableAddHeader(&cont, PQfname(result, i),
3763 167342 : opt->translate_header,
3764 167342 : column_type_alignment(PQftype(result, i)));
3765 : }
3766 :
3767 : /* set cells */
3768 1299549 : for (r = 0; r < cont.nrows; r++)
3769 : {
3770 3755465 : for (c = 0; c < cont.ncolumns; c++)
3771 : {
3772 : char *cell;
3773 2550383 : bool mustfree = false;
3774 : bool translate;
3775 :
3776 2550383 : if (PQgetisnull(result, r, c))
3777 46066 : cell = opt->nullPrint ? opt->nullPrint : "";
3778 2504317 : else if (PQftype(result, c) == BOOLOID)
3779 95276 : cell = (PQgetvalue(result, r, c)[0] == 't' ?
3780 75035 : (opt->truePrint ? opt->truePrint : "t") :
3781 27397 : (opt->falsePrint ? opt->falsePrint : "f"));
3782 : else
3783 : {
3784 2456679 : cell = PQgetvalue(result, r, c);
3785 2456679 : if (cont.aligns[c] == 'r' && opt->topt.numericLocale)
3786 : {
3787 64 : cell = format_numeric_locale(cell);
3788 64 : mustfree = true;
3789 : }
3790 : }
3791 :
3792 2550383 : translate = (opt->translate_columns && opt->translate_columns[c]);
3793 2550383 : printTableAddCell(&cont, cell, translate, mustfree);
3794 : }
3795 : }
3796 :
3797 : /* set footers */
3798 94467 : if (opt->footers)
3799 : {
3800 : char **footer;
3801 :
3802 292 : for (footer = opt->footers; *footer; footer++)
3803 140 : printTableAddFooter(&cont, *footer);
3804 : }
3805 :
3806 94467 : printTable(&cont, fout, is_pager, flog);
3807 94467 : printTableCleanup(&cont);
3808 : }
3809 :
3810 : char
3811 167454 : column_type_alignment(Oid ftype)
3812 : {
3813 : char align;
3814 :
3815 167454 : switch (ftype)
3816 : {
3817 64645 : case INT2OID:
3818 : case INT4OID:
3819 : case INT8OID:
3820 : case FLOAT4OID:
3821 : case FLOAT8OID:
3822 : case NUMERICOID:
3823 : case OIDOID:
3824 : case OID8OID:
3825 : case XIDOID:
3826 : case XID8OID:
3827 : case CIDOID:
3828 : case MONEYOID:
3829 64645 : align = 'r';
3830 64645 : break;
3831 102809 : default:
3832 102809 : align = 'l';
3833 102809 : break;
3834 : }
3835 167454 : return align;
3836 : }
3837 :
3838 : void
3839 10119 : setDecimalLocale(void)
3840 : {
3841 : struct lconv *extlconv;
3842 :
3843 10119 : extlconv = localeconv();
3844 :
3845 : /* Don't accept an empty decimal_point string */
3846 10119 : if (*extlconv->decimal_point)
3847 10119 : decimal_point = pg_strdup(extlconv->decimal_point);
3848 : else
3849 0 : decimal_point = "."; /* SQL output standard */
3850 :
3851 : /*
3852 : * Although the Open Group standard allows locales to supply more than one
3853 : * group width, we consider only the first one, and we ignore any attempt
3854 : * to suppress grouping by specifying CHAR_MAX. As in the backend's
3855 : * cash.c, we must apply a range check to avoid being fooled by variant
3856 : * CHAR_MAX values.
3857 : */
3858 10119 : groupdigits = *extlconv->grouping;
3859 10119 : if (groupdigits <= 0 || groupdigits > 6)
3860 9437 : groupdigits = 3; /* most common */
3861 :
3862 : /* Don't accept an empty thousands_sep string, either */
3863 : /* similar code exists in formatting.c */
3864 10119 : if (*extlconv->thousands_sep)
3865 682 : thousands_sep = pg_strdup(extlconv->thousands_sep);
3866 : /* Make sure thousands separator doesn't match decimal point symbol. */
3867 9437 : else if (strcmp(decimal_point, ",") != 0)
3868 9437 : thousands_sep = ",";
3869 : else
3870 0 : thousands_sep = ".";
3871 10119 : }
3872 :
3873 : /* get selected or default line style */
3874 : const printTextFormat *
3875 88739 : get_line_style(const printTableOpt *opt)
3876 : {
3877 : /*
3878 : * Note: this function mainly exists to preserve the convention that a
3879 : * printTableOpt struct can be initialized to zeroes to get default
3880 : * behavior.
3881 : */
3882 88739 : if (opt->line_style != NULL)
3883 1964 : return opt->line_style;
3884 : else
3885 86775 : return &pg_asciiformat;
3886 : }
3887 :
3888 : void
3889 10119 : refresh_utf8format(const printTableOpt *opt)
3890 : {
3891 10119 : printTextFormat *popt = &pg_utf8format;
3892 :
3893 : const unicodeStyleBorderFormat *border;
3894 : const unicodeStyleRowFormat *header;
3895 : const unicodeStyleColumnFormat *column;
3896 :
3897 10119 : popt->name = "unicode";
3898 :
3899 10119 : border = &unicode_style.border_style[opt->unicode_border_linestyle];
3900 10119 : header = &unicode_style.row_style[opt->unicode_header_linestyle];
3901 10119 : column = &unicode_style.column_style[opt->unicode_column_linestyle];
3902 :
3903 10119 : popt->lrule[PRINT_RULE_TOP].hrule = border->horizontal;
3904 10119 : popt->lrule[PRINT_RULE_TOP].leftvrule = border->down_and_right;
3905 10119 : popt->lrule[PRINT_RULE_TOP].midvrule = column->down_and_horizontal[opt->unicode_border_linestyle];
3906 10119 : popt->lrule[PRINT_RULE_TOP].rightvrule = border->down_and_left;
3907 :
3908 10119 : popt->lrule[PRINT_RULE_MIDDLE].hrule = header->horizontal;
3909 10119 : popt->lrule[PRINT_RULE_MIDDLE].leftvrule = header->vertical_and_right[opt->unicode_border_linestyle];
3910 10119 : popt->lrule[PRINT_RULE_MIDDLE].midvrule = column->vertical_and_horizontal[opt->unicode_header_linestyle];
3911 10119 : popt->lrule[PRINT_RULE_MIDDLE].rightvrule = header->vertical_and_left[opt->unicode_border_linestyle];
3912 :
3913 10119 : popt->lrule[PRINT_RULE_BOTTOM].hrule = border->horizontal;
3914 10119 : popt->lrule[PRINT_RULE_BOTTOM].leftvrule = border->up_and_right;
3915 10119 : popt->lrule[PRINT_RULE_BOTTOM].midvrule = column->up_and_horizontal[opt->unicode_border_linestyle];
3916 10119 : popt->lrule[PRINT_RULE_BOTTOM].rightvrule = border->left_and_right;
3917 :
3918 : /* N/A */
3919 10119 : popt->lrule[PRINT_RULE_DATA].hrule = "";
3920 10119 : popt->lrule[PRINT_RULE_DATA].leftvrule = border->vertical;
3921 10119 : popt->lrule[PRINT_RULE_DATA].midvrule = column->vertical;
3922 10119 : popt->lrule[PRINT_RULE_DATA].rightvrule = border->vertical;
3923 :
3924 10119 : popt->midvrule_nl = column->vertical;
3925 10119 : popt->midvrule_wrap = column->vertical;
3926 10119 : popt->midvrule_blank = column->vertical;
3927 :
3928 : /* Same for all unicode today */
3929 10119 : popt->header_nl_left = unicode_style.header_nl_left;
3930 10119 : popt->header_nl_right = unicode_style.header_nl_right;
3931 10119 : popt->nl_left = unicode_style.nl_left;
3932 10119 : popt->nl_right = unicode_style.nl_right;
3933 10119 : popt->wrap_left = unicode_style.wrap_left;
3934 10119 : popt->wrap_right = unicode_style.wrap_right;
3935 10119 : popt->wrap_right_border = unicode_style.wrap_right_border;
3936 10119 : }
3937 :
3938 : /*
3939 : * Compute the byte distance to the end of the string or *target_width
3940 : * display character positions, whichever comes first. Update *target_width
3941 : * to be the number of display character positions actually filled.
3942 : */
3943 : static int
3944 780692 : strlen_max_width(unsigned char *str, int *target_width, int encoding)
3945 : {
3946 780692 : unsigned char *start = str;
3947 780692 : unsigned char *end = str + strlen((char *) str);
3948 780692 : int curr_width = 0;
3949 :
3950 9718202 : while (str < end)
3951 : {
3952 8938530 : int char_width = PQdsplen((char *) str, encoding);
3953 :
3954 : /*
3955 : * If the display width of the new character causes the string to
3956 : * exceed its target width, skip it and return. However, if this is
3957 : * the first character of the string (curr_width == 0), we have to
3958 : * accept it.
3959 : */
3960 8938530 : if (*target_width < curr_width + char_width && curr_width != 0)
3961 1020 : break;
3962 :
3963 8937510 : curr_width += char_width;
3964 :
3965 8937510 : str += PQmblen((char *) str, encoding);
3966 :
3967 8937510 : if (str > end) /* Don't overrun invalid string */
3968 0 : str = end;
3969 : }
3970 :
3971 780692 : *target_width = curr_width;
3972 :
3973 780692 : return str - start;
3974 : }
|
