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 96 : integer_digits(const char *my_str)
295 : {
296 : /* ignoring any sign ... */
297 96 : if (my_str[0] == '-' || my_str[0] == '+')
298 18 : my_str++;
299 : /* ... count initial integral digits */
300 96 : return strspn(my_str, "0123456789");
301 : }
302 :
303 : /* Compute additional length required for locale-aware numeric output */
304 : static int
305 48 : additional_numeric_locale_len(const char *my_str)
306 : {
307 48 : int int_len = integer_digits(my_str),
308 48 : len = 0;
309 :
310 : /* Account for added thousands_sep instances */
311 48 : 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 48 : if (strchr(my_str, '.') != NULL)
316 0 : len += strlen(decimal_point) - 1;
317 :
318 48 : 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 48 : 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 48 : if (strspn(my_str, "0123456789+-.eE") != strlen(my_str))
344 0 : return pg_strdup(my_str);
345 :
346 48 : new_len = strlen(my_str) + additional_numeric_locale_len(my_str);
347 48 : new_str = pg_malloc_array(char, (new_len + 1));
348 48 : new_str_pos = 0;
349 48 : int_len = integer_digits(my_str);
350 :
351 : /* number of digits in first thousands group */
352 48 : leading_digits = int_len % groupdigits;
353 48 : if (leading_digits == 0)
354 9 : leading_digits = groupdigits;
355 :
356 : /* process sign */
357 48 : if (my_str[0] == '-' || my_str[0] == '+')
358 : {
359 9 : new_str[new_str_pos++] = my_str[0];
360 9 : my_str++;
361 : }
362 :
363 : /* process integer part of number */
364 114 : for (i = 0; i < int_len; i++)
365 : {
366 : /* Time to insert separator? */
367 66 : 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 66 : new_str[new_str_pos++] = my_str[i];
374 : }
375 :
376 : /* handle decimal point if any */
377 48 : 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 48 : 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 48 : return new_str;
391 : }
392 :
393 :
394 : static void
395 1814737 : print_separator(struct separator sep, FILE *fout)
396 : {
397 1814737 : if (sep.separator_zero)
398 0 : fputc('\000', fout);
399 1814737 : else if (sep.separator)
400 1814737 : fputs(sep.separator, fout);
401 1814737 : }
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 75439 : footers_with_default(const printTableContent *cont)
415 : {
416 75439 : if (cont->footers == NULL && cont->opt->default_footer)
417 : {
418 : unsigned long total_records;
419 :
420 73211 : total_records = cont->opt->prior_records + cont->nrows;
421 73211 : snprintf(default_footer, sizeof(default_footer),
422 73211 : ngettext("(%lu row)", "(%lu rows)", total_records),
423 : total_records);
424 :
425 73211 : return &default_footer_cell;
426 : }
427 : else
428 2228 : return cont->footers;
429 : }
430 :
431 :
432 : /*************************/
433 : /* Unaligned text */
434 : /*************************/
435 :
436 :
437 : static void
438 9343 : print_unaligned_text(const printTableContent *cont, FILE *fout)
439 : {
440 9343 : bool opt_tuples_only = cont->opt->tuples_only;
441 : unsigned int i;
442 : const char *const *ptr;
443 9343 : bool need_recordsep = false;
444 :
445 9343 : if (cancel_pressed)
446 0 : return;
447 :
448 9343 : if (cont->opt->start_table)
449 : {
450 : /* print title */
451 9343 : if (!opt_tuples_only && cont->title)
452 : {
453 4 : fputs(cont->title, fout);
454 4 : print_separator(cont->opt->recordSep, fout);
455 : }
456 :
457 : /* print headers */
458 9343 : if (!opt_tuples_only)
459 : {
460 210 : for (ptr = cont->headers; *ptr; ptr++)
461 : {
462 145 : if (ptr != cont->headers)
463 80 : print_separator(cont->opt->fieldSep, fout);
464 145 : fputs(*ptr, fout);
465 : }
466 65 : need_recordsep = true;
467 : }
468 : }
469 : else
470 : /* assume continuing printout */
471 0 : need_recordsep = true;
472 :
473 : /* print cells */
474 1831255 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
475 : {
476 1821912 : if (need_recordsep)
477 : {
478 876979 : print_separator(cont->opt->recordSep, fout);
479 876979 : need_recordsep = false;
480 876979 : if (cancel_pressed)
481 0 : break;
482 : }
483 1821912 : fputs(*ptr, fout);
484 :
485 1821912 : if ((i + 1) % cont->ncolumns)
486 935999 : print_separator(cont->opt->fieldSep, fout);
487 : else
488 885913 : need_recordsep = true;
489 : }
490 :
491 : /* print footers */
492 9343 : if (cont->opt->stop_table)
493 : {
494 9343 : printTableFooter *footers = footers_with_default(cont);
495 :
496 9343 : if (!opt_tuples_only && footers != NULL && !cancel_pressed)
497 : {
498 : printTableFooter *f;
499 :
500 131 : for (f = footers; f; f = f->next)
501 : {
502 66 : if (need_recordsep)
503 : {
504 66 : print_separator(cont->opt->recordSep, fout);
505 66 : need_recordsep = false;
506 : }
507 66 : fputs(f->data, fout);
508 66 : 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 9343 : if (need_recordsep)
518 : {
519 8999 : if (cont->opt->recordSep.separator_zero)
520 0 : print_separator(cont->opt->recordSep, fout);
521 : else
522 8999 : fputc('\n', fout);
523 : }
524 : }
525 : }
526 :
527 :
528 : static void
529 52 : print_unaligned_vertical(const printTableContent *cont, FILE *fout)
530 : {
531 52 : bool opt_tuples_only = cont->opt->tuples_only;
532 : unsigned int i;
533 : const char *const *ptr;
534 52 : bool need_recordsep = false;
535 :
536 52 : if (cancel_pressed)
537 0 : return;
538 :
539 52 : if (cont->opt->start_table)
540 : {
541 : /* print title */
542 52 : if (!opt_tuples_only && cont->title)
543 : {
544 3 : fputs(cont->title, fout);
545 3 : need_recordsep = true;
546 : }
547 : }
548 : else
549 : /* assume continuing printout */
550 0 : need_recordsep = true;
551 :
552 : /* print records */
553 735 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
554 : {
555 683 : if (need_recordsep)
556 : {
557 : /* record separator is 2 occurrences of recordsep in this mode */
558 286 : print_separator(cont->opt->recordSep, fout);
559 286 : print_separator(cont->opt->recordSep, fout);
560 286 : need_recordsep = false;
561 286 : if (cancel_pressed)
562 0 : break;
563 : }
564 :
565 683 : fputs(cont->headers[i % cont->ncolumns], fout);
566 683 : print_separator(cont->opt->fieldSep, fout);
567 683 : fputs(*ptr, fout);
568 :
569 683 : if ((i + 1) % cont->ncolumns)
570 348 : print_separator(cont->opt->recordSep, fout);
571 : else
572 335 : need_recordsep = true;
573 : }
574 :
575 52 : if (cont->opt->stop_table)
576 : {
577 : /* print footers */
578 52 : if (!opt_tuples_only && cont->footers != NULL && !cancel_pressed)
579 : {
580 : printTableFooter *f;
581 :
582 3 : print_separator(cont->opt->recordSep, fout);
583 6 : for (f = cont->footers; f; f = f->next)
584 : {
585 3 : print_separator(cont->opt->recordSep, fout);
586 3 : fputs(f->data, fout);
587 : }
588 : }
589 :
590 : /* see above in print_unaligned_text() */
591 52 : if (need_recordsep)
592 : {
593 52 : if (cont->opt->recordSep.separator_zero)
594 0 : print_separator(cont->opt->recordSep, fout);
595 : else
596 52 : fputc('\n', fout);
597 : }
598 : }
599 : }
600 :
601 :
602 : /********************/
603 : /* Aligned text */
604 : /********************/
605 :
606 :
607 : /* draw "line" */
608 : static void
609 65945 : _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 65945 : const printTextLineFormat *lformat = &format->lrule[pos];
615 : unsigned int i,
616 : j;
617 :
618 65945 : if (border == 1)
619 65849 : fputs(lformat->hrule, fout);
620 96 : else if (border == 2)
621 72 : fprintf(fout, "%s%s", lformat->leftvrule, lformat->hrule);
622 :
623 193131 : for (i = 0; i < ncolumns; i++)
624 : {
625 2045793 : for (j = 0; j < widths[i]; j++)
626 1918607 : fputs(lformat->hrule, fout);
627 :
628 127186 : if (i < ncolumns - 1)
629 : {
630 61356 : if (border == 0)
631 24 : fputc(' ', fout);
632 : else
633 61332 : fprintf(fout, "%s%s%s", lformat->hrule,
634 61332 : lformat->midvrule, lformat->hrule);
635 : }
636 : }
637 :
638 65945 : if (border == 2)
639 72 : fprintf(fout, "%s%s", lformat->hrule, lformat->rightvrule);
640 65873 : else if (border == 1)
641 65849 : fputs(lformat->hrule, fout);
642 :
643 65945 : fputc('\n', fout);
644 65945 : }
645 :
646 :
647 : /*
648 : * Print pretty boxes around cells.
649 : */
650 : static void
651 66045 : print_aligned_text(const printTableContent *cont, FILE *fout, bool is_pager)
652 : {
653 66045 : bool opt_tuples_only = cont->opt->tuples_only;
654 66045 : int encoding = cont->opt->encoding;
655 66045 : unsigned short opt_border = cont->opt->border;
656 66045 : const printTextFormat *format = get_line_style(cont->opt);
657 66045 : const printTextLineFormat *dformat = &format->lrule[PRINT_RULE_DATA];
658 :
659 66045 : unsigned int col_count = 0,
660 66045 : 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 66045 : int output_columns = 0; /* Width of interactive console */
684 66045 : bool is_local_pager = false;
685 :
686 66045 : if (cancel_pressed)
687 0 : return;
688 :
689 66045 : if (opt_border > 2)
690 0 : opt_border = 2;
691 :
692 66045 : if (cont->ncolumns > 0)
693 : {
694 65930 : col_count = cont->ncolumns;
695 65930 : width_header = pg_malloc0_array(unsigned int, col_count);
696 65930 : width_average = pg_malloc0_array(unsigned int, col_count);
697 65930 : max_width = pg_malloc0_array(unsigned int, col_count);
698 65930 : width_wrap = pg_malloc0_array(unsigned int, col_count);
699 65930 : max_nl_lines = pg_malloc0_array(unsigned int, col_count);
700 65930 : curr_nl_line = pg_malloc0_array(unsigned int, col_count);
701 65930 : col_lineptrs = pg_malloc0_array(struct lineptr *, col_count);
702 65930 : max_bytes = pg_malloc0_array(unsigned int, col_count);
703 65930 : format_buf = pg_malloc0_array(unsigned char *, col_count);
704 65930 : header_done = pg_malloc0_array(bool, col_count);
705 65930 : bytes_output = pg_malloc0_array(int, col_count);
706 65930 : wrap = pg_malloc0_array(printTextLineWrap, col_count);
707 : }
708 : else
709 : {
710 115 : width_header = NULL;
711 115 : width_average = NULL;
712 115 : max_width = NULL;
713 115 : width_wrap = NULL;
714 115 : max_nl_lines = NULL;
715 115 : curr_nl_line = NULL;
716 115 : col_lineptrs = NULL;
717 115 : max_bytes = NULL;
718 115 : format_buf = NULL;
719 115 : header_done = NULL;
720 115 : bytes_output = NULL;
721 115 : wrap = NULL;
722 : }
723 :
724 : /* scan all column headers, find maximum width and max max_nl_lines */
725 193517 : for (i = 0; i < col_count; i++)
726 : {
727 : int width,
728 : nl_lines,
729 : bytes_required;
730 :
731 127472 : pg_wcssize((const unsigned char *) cont->headers[i], strlen(cont->headers[i]),
732 : encoding, &width, &nl_lines, &bytes_required);
733 127472 : if (width > max_width[i])
734 127454 : max_width[i] = width;
735 127472 : if (nl_lines > max_nl_lines[i])
736 127472 : max_nl_lines[i] = nl_lines;
737 127472 : if (bytes_required > max_bytes[i])
738 127472 : max_bytes[i] = bytes_required;
739 :
740 127472 : width_header[i] = width;
741 : }
742 :
743 : /* scan all cells, find maximum width, compute cell_count */
744 630819 : for (i = 0, ptr = cont->cells; *ptr; ptr++, cell_count++)
745 : {
746 : int width,
747 : nl_lines,
748 : bytes_required;
749 :
750 564774 : pg_wcssize((const unsigned char *) *ptr, strlen(*ptr), encoding,
751 : &width, &nl_lines, &bytes_required);
752 :
753 564774 : if (width > max_width[i])
754 70835 : max_width[i] = width;
755 564774 : if (nl_lines > max_nl_lines[i])
756 916 : max_nl_lines[i] = nl_lines;
757 564774 : if (bytes_required > max_bytes[i])
758 71119 : max_bytes[i] = bytes_required;
759 :
760 564774 : width_average[i] += width;
761 :
762 : /* i is the current column number: increment with wrap */
763 564774 : if (++i >= col_count)
764 244331 : i = 0;
765 : }
766 :
767 : /* If we have rows, compute average */
768 66045 : if (col_count != 0 && cell_count != 0)
769 : {
770 62718 : int rows = cell_count / col_count;
771 :
772 182129 : for (i = 0; i < col_count; i++)
773 119411 : width_average[i] /= rows;
774 : }
775 :
776 : /* adjust the total display width based on border style */
777 66045 : if (opt_border == 0)
778 24 : width_total = col_count;
779 66021 : else if (opt_border == 1)
780 65997 : width_total = col_count * 3 - ((col_count > 0) ? 1 : 0);
781 : else
782 24 : width_total = col_count * 3 + 1;
783 66045 : total_header_width = width_total;
784 :
785 193517 : for (i = 0; i < col_count; i++)
786 : {
787 127472 : width_total += max_width[i];
788 127472 : 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 193517 : for (i = 0; i < col_count; i++)
799 : {
800 : /* Add entry for ptr == NULL array termination */
801 127472 : col_lineptrs[i] = pg_malloc0_array(struct lineptr,
802 : (max_nl_lines[i] + 1));
803 :
804 127472 : format_buf[i] = pg_malloc_array(unsigned char, (max_bytes[i] + 1));
805 :
806 127472 : col_lineptrs[i]->ptr = format_buf[i];
807 : }
808 :
809 : /* Default word wrap to the full width, i.e. no word wrap */
810 193517 : for (i = 0; i < col_count; i++)
811 127472 : width_wrap[i] = max_width[i];
812 :
813 : /*
814 : * Choose target output width: \pset columns, or $COLUMNS, or ioctl
815 : */
816 66045 : if (cont->opt->columns > 0)
817 675 : output_columns = cont->opt->columns;
818 65370 : else if ((fout == stdout && isatty(fileno(stdout))) || is_pager)
819 : {
820 51 : 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 51 : if (ioctl(fileno(stdout), TIOCGWINSZ, &screen_size) != -1)
828 0 : output_columns = screen_size.ws_col;
829 : }
830 : #endif
831 : }
832 :
833 66045 : 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 72 : if (output_columns > 0 && output_columns >= total_header_width)
843 : {
844 : /* While there is still excess width... */
845 132 : while (width_total > output_columns)
846 : {
847 96 : double max_ratio = 0;
848 96 : 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 : */
856 288 : for (i = 0; i < col_count; i++)
857 : {
858 192 : if (width_average[i] && width_wrap[i] > width_header[i])
859 : {
860 : /* Penalize wide columns by 1% of their width */
861 : double ratio;
862 :
863 192 : ratio = (double) width_wrap[i] / width_average[i] +
864 192 : max_width[i] * 0.01;
865 192 : if (ratio > max_ratio)
866 : {
867 126 : max_ratio = ratio;
868 126 : worst_col = i;
869 : }
870 : }
871 : }
872 :
873 : /* Exit loop if we can't squeeze any more. */
874 96 : if (worst_col == -1)
875 0 : break;
876 :
877 : /* Decrease width of target column by one. */
878 96 : width_wrap[worst_col]--;
879 96 : 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 66045 : 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 66045 : if (!is_pager && fout == stdout && output_columns > 0 &&
899 639 : (output_columns < total_header_width || output_columns < width_total))
900 : {
901 306 : fout = PageOutput(INT_MAX, cont->opt); /* force pager */
902 306 : is_pager = is_local_pager = true;
903 : }
904 :
905 : /* Check if there are enough lines to require the pager */
906 66045 : if (!is_pager)
907 : {
908 65676 : IsPagerNeeded(cont, width_wrap, false, &fout, &is_pager);
909 65676 : is_local_pager = is_pager;
910 : }
911 :
912 : /* time to output */
913 66045 : if (cont->opt->start_table)
914 : {
915 : /* print title */
916 66009 : if (cont->title && !opt_tuples_only)
917 : {
918 : int width,
919 : height;
920 :
921 2997 : pg_wcssize((const unsigned char *) cont->title, strlen(cont->title),
922 : encoding, &width, &height, NULL);
923 2997 : if (width >= width_total)
924 : /* Aligned */
925 126 : fprintf(fout, "%s\n", cont->title);
926 : else
927 : /* Centered */
928 2871 : fprintf(fout, "%-*s%s\n", (width_total - width) / 2, "",
929 2871 : cont->title);
930 : }
931 :
932 : /* print headers */
933 66009 : if (!opt_tuples_only)
934 : {
935 : int more_col_wrapping;
936 : int curr_nl_line;
937 :
938 65897 : if (opt_border == 2)
939 24 : _print_horizontal_line(col_count, width_wrap, opt_border,
940 : PRINT_RULE_TOP, format, fout);
941 :
942 192987 : for (i = 0; i < col_count; i++)
943 127090 : pg_wcsformat((const unsigned char *) cont->headers[i],
944 127090 : strlen(cont->headers[i]), encoding,
945 127090 : col_lineptrs[i], max_nl_lines[i]);
946 :
947 65897 : more_col_wrapping = col_count;
948 65897 : curr_nl_line = 0;
949 65897 : if (col_count > 0)
950 65782 : memset(header_done, false, col_count * sizeof(bool));
951 131751 : while (more_col_wrapping)
952 : {
953 65854 : if (opt_border == 2)
954 48 : fputs(dformat->leftvrule, fout);
955 :
956 193088 : for (i = 0; i < cont->ncolumns; i++)
957 : {
958 127234 : struct lineptr *this_line = col_lineptrs[i] + curr_nl_line;
959 : unsigned int nbspace;
960 :
961 127234 : if (opt_border != 0 ||
962 96 : (!format->wrap_right_border && i > 0))
963 127162 : fputs(curr_nl_line ? format->header_nl_left : " ",
964 : fout);
965 :
966 127234 : if (!header_done[i])
967 : {
968 127198 : nbspace = width_wrap[i] - this_line->width;
969 :
970 : /* centered */
971 127198 : fprintf(fout, "%-*s%s%-*s",
972 127198 : nbspace / 2, "", this_line->ptr, (nbspace + 1) / 2, "");
973 :
974 127198 : if (!(this_line + 1)->ptr)
975 : {
976 127090 : more_col_wrapping--;
977 127090 : header_done[i] = 1;
978 : }
979 : }
980 : else
981 36 : fprintf(fout, "%*s", width_wrap[i], "");
982 :
983 127234 : if (opt_border != 0 || format->wrap_right_border)
984 127186 : fputs(!header_done[i] ? format->header_nl_right : " ",
985 : fout);
986 :
987 127234 : if (opt_border != 0 && col_count > 0 && i < col_count - 1)
988 61332 : fputs(dformat->midvrule, fout);
989 : }
990 65854 : curr_nl_line++;
991 :
992 65854 : if (opt_border == 2)
993 48 : fputs(dformat->rightvrule, fout);
994 65854 : fputc('\n', fout);
995 : }
996 :
997 65897 : _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 310376 : for (i = 0, ptr = cont->cells; *ptr; i += col_count, ptr += col_count)
1004 : {
1005 : bool more_lines;
1006 :
1007 244331 : if (cancel_pressed)
1008 0 : break;
1009 :
1010 : /*
1011 : * Format each cell.
1012 : */
1013 809105 : for (j = 0; j < col_count; j++)
1014 : {
1015 564774 : pg_wcsformat((const unsigned char *) ptr[j], strlen(ptr[j]), encoding,
1016 564774 : col_lineptrs[j], max_nl_lines[j]);
1017 564774 : curr_nl_line[j] = 0;
1018 : }
1019 :
1020 244331 : 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 253511 : more_lines = false;
1030 :
1031 : /* left border */
1032 253511 : if (opt_border == 2)
1033 276 : fputs(dformat->leftvrule, fout);
1034 :
1035 : /* for each column */
1036 829499 : for (j = 0; j < col_count; j++)
1037 : {
1038 : /* We have a valid array element, so index it */
1039 575988 : struct lineptr *this_line = &col_lineptrs[j][curr_nl_line[j]];
1040 : int bytes_to_output;
1041 575988 : int chars_to_output = width_wrap[j];
1042 1151424 : bool finalspaces = (opt_border == 2 ||
1043 575436 : (col_count > 0 && j < col_count - 1));
1044 :
1045 : /* Print left-hand wrap or newline mark */
1046 575988 : if (opt_border != 0)
1047 : {
1048 575508 : if (wrap[j] == PRINT_LINE_WRAP_WRAP)
1049 60 : fputs(format->wrap_left, fout);
1050 575448 : else if (wrap[j] == PRINT_LINE_WRAP_NEWLINE)
1051 9219 : fputs(format->nl_left, fout);
1052 : else
1053 566229 : fputc(' ', fout);
1054 : }
1055 :
1056 575988 : if (!this_line->ptr)
1057 : {
1058 : /* Past newline lines so just pad for other columns */
1059 1743 : if (finalspaces)
1060 1487 : 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 574245 : 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 574245 : if (chars_to_output > width_wrap[j])
1076 0 : chars_to_output = width_wrap[j];
1077 :
1078 574245 : if (cont->aligns[j] == 'r') /* Right aligned cell */
1079 : {
1080 : /* spaces first */
1081 225578 : fprintf(fout, "%*s", width_wrap[j] - chars_to_output, "");
1082 225578 : 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 348667 : fwrite((char *) (this_line->ptr + bytes_output[j]),
1089 : 1, bytes_to_output, fout);
1090 : }
1091 :
1092 574245 : bytes_output[j] += bytes_to_output;
1093 :
1094 : /* Do we have more text to wrap? */
1095 574245 : if (*(this_line->ptr + bytes_output[j]) != '\0')
1096 60 : more_lines = true;
1097 : else
1098 : {
1099 : /* Advance to next newline line */
1100 574185 : curr_nl_line[j]++;
1101 574185 : if (col_lineptrs[j][curr_nl_line[j]].ptr != NULL)
1102 9411 : more_lines = true;
1103 574185 : bytes_output[j] = 0;
1104 : }
1105 : }
1106 :
1107 : /* Determine next line's wrap status for this column */
1108 575988 : wrap[j] = PRINT_LINE_WRAP_NONE;
1109 575988 : if (col_lineptrs[j][curr_nl_line[j]].ptr != NULL)
1110 : {
1111 9471 : if (bytes_output[j] != 0)
1112 60 : wrap[j] = PRINT_LINE_WRAP_WRAP;
1113 9411 : else if (curr_nl_line[j] != 0)
1114 9411 : 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 575988 : if (cont->aligns[j] != 'r') /* Left aligned cell */
1122 : {
1123 350173 : if (finalspaces ||
1124 180967 : wrap[j] == PRINT_LINE_WRAP_WRAP ||
1125 180961 : wrap[j] == PRINT_LINE_WRAP_NEWLINE)
1126 177998 : fprintf(fout, "%*s",
1127 177998 : width_wrap[j] - chars_to_output, "");
1128 : }
1129 :
1130 : /* Print right-hand wrap or newline mark */
1131 575988 : if (wrap[j] == PRINT_LINE_WRAP_WRAP)
1132 60 : fputs(format->wrap_right, fout);
1133 575928 : else if (wrap[j] == PRINT_LINE_WRAP_NEWLINE)
1134 9411 : fputs(format->nl_right, fout);
1135 566517 : else if (opt_border == 2 || (col_count > 0 && j < col_count - 1))
1136 322074 : fputc(' ', fout);
1137 :
1138 : /* Print column divider, if not the last column */
1139 575988 : if (opt_border != 0 && (col_count > 0 && j < col_count - 1))
1140 : {
1141 322237 : if (wrap[j + 1] == PRINT_LINE_WRAP_WRAP)
1142 18 : fputs(format->midvrule_wrap, fout);
1143 322219 : else if (wrap[j + 1] == PRINT_LINE_WRAP_NEWLINE)
1144 638 : fputs(format->midvrule_nl, fout);
1145 321581 : else if (col_lineptrs[j + 1][curr_nl_line[j + 1]].ptr == NULL)
1146 1282 : fputs(format->midvrule_blank, fout);
1147 : else
1148 320299 : fputs(dformat->midvrule, fout);
1149 : }
1150 : }
1151 :
1152 : /* end-of-row border */
1153 253511 : if (opt_border == 2)
1154 276 : fputs(dformat->rightvrule, fout);
1155 253511 : fputc('\n', fout);
1156 253511 : } while (more_lines);
1157 : }
1158 :
1159 66045 : if (cont->opt->stop_table)
1160 : {
1161 66006 : printTableFooter *footers = footers_with_default(cont);
1162 :
1163 66006 : if (opt_border == 2 && !cancel_pressed)
1164 24 : _print_horizontal_line(col_count, width_wrap, opt_border,
1165 : PRINT_RULE_BOTTOM, format, fout);
1166 :
1167 : /* print footers */
1168 66006 : if (footers && !opt_tuples_only && !cancel_pressed)
1169 : {
1170 : printTableFooter *f;
1171 :
1172 135658 : for (f = footers; f; f = f->next)
1173 70032 : fprintf(fout, "%s\n", f->data);
1174 : }
1175 :
1176 66006 : fputc('\n', fout);
1177 : }
1178 :
1179 39 : cleanup:
1180 : /* clean up */
1181 193517 : for (i = 0; i < col_count; i++)
1182 : {
1183 127472 : free(col_lineptrs[i]);
1184 127472 : free(format_buf[i]);
1185 : }
1186 66045 : free(width_header);
1187 66045 : free(width_average);
1188 66045 : free(max_width);
1189 66045 : free(width_wrap);
1190 66045 : free(max_nl_lines);
1191 66045 : free(curr_nl_line);
1192 66045 : free(col_lineptrs);
1193 66045 : free(max_bytes);
1194 66045 : free(format_buf);
1195 66045 : free(header_done);
1196 66045 : free(bytes_output);
1197 66045 : free(wrap);
1198 :
1199 66045 : if (is_local_pager)
1200 306 : ClosePager(fout);
1201 : }
1202 :
1203 :
1204 : static void
1205 863 : 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 863 : const printTextLineFormat *lformat = &get_line_style(topt)->lrule[pos];
1214 863 : const unsigned short opt_border = topt->border;
1215 : unsigned int i;
1216 863 : int reclen = 0;
1217 :
1218 863 : if (opt_border == 2)
1219 234 : fprintf(fout, "%s%s", lformat->leftvrule, lformat->hrule);
1220 629 : else if (opt_border == 1)
1221 425 : fputs(lformat->hrule, fout);
1222 :
1223 863 : if (record)
1224 : {
1225 824 : if (opt_border == 0)
1226 204 : reclen = fprintf(fout, "* Record %lu", record);
1227 : else
1228 620 : reclen = fprintf(fout, "[ RECORD %lu ]", record);
1229 : }
1230 863 : if (opt_border != 2)
1231 629 : reclen++;
1232 863 : if (reclen < 0)
1233 0 : reclen = 0;
1234 4316 : for (i = reclen; i < hwidth; i++)
1235 3453 : fputs(opt_border > 0 ? lformat->hrule : " ", fout);
1236 863 : reclen -= hwidth;
1237 :
1238 863 : if (opt_border > 0)
1239 : {
1240 659 : if (reclen-- <= 0)
1241 560 : fputs(lformat->hrule, fout);
1242 659 : if (reclen-- <= 0)
1243 : {
1244 563 : if (topt->expanded_header_width_type == PRINT_XHEADER_COLUMN)
1245 : {
1246 0 : fputs(lformat->rightvrule, fout);
1247 : }
1248 : else
1249 : {
1250 563 : fputs(lformat->midvrule, fout);
1251 : }
1252 : }
1253 659 : if (reclen-- <= 0
1254 575 : && topt->expanded_header_width_type != PRINT_XHEADER_COLUMN)
1255 575 : fputs(lformat->hrule, fout);
1256 : }
1257 : else
1258 : {
1259 204 : if (reclen-- <= 0)
1260 180 : fputc(' ', fout);
1261 : }
1262 :
1263 863 : if (topt->expanded_header_width_type != PRINT_XHEADER_COLUMN)
1264 : {
1265 863 : if (topt->expanded_header_width_type == PRINT_XHEADER_PAGE
1266 863 : || 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 863 : if (reclen < 0)
1290 755 : reclen = 0;
1291 863 : if (dwidth < reclen)
1292 16 : dwidth = reclen;
1293 :
1294 32824 : for (i = reclen; i < dwidth; i++)
1295 31961 : fputs(opt_border > 0 ? lformat->hrule : " ", fout);
1296 863 : if (opt_border == 2)
1297 234 : fprintf(fout, "%s%s", lformat->hrule, lformat->rightvrule);
1298 : }
1299 :
1300 863 : fputc('\n', fout);
1301 863 : }
1302 :
1303 : static void
1304 309 : print_aligned_vertical(const printTableContent *cont,
1305 : FILE *fout, bool is_pager)
1306 : {
1307 309 : bool opt_tuples_only = cont->opt->tuples_only;
1308 309 : unsigned short opt_border = cont->opt->border;
1309 309 : const printTextFormat *format = get_line_style(cont->opt);
1310 309 : const printTextLineFormat *dformat = &format->lrule[PRINT_RULE_DATA];
1311 309 : int encoding = cont->opt->encoding;
1312 309 : unsigned long record = cont->opt->prior_records + 1;
1313 : const char *const *ptr;
1314 : unsigned int i,
1315 309 : hwidth = 0,
1316 309 : dwidth = 0,
1317 309 : hheight = 1,
1318 309 : dheight = 1,
1319 309 : hformatsize = 0,
1320 309 : dformatsize = 0;
1321 : struct lineptr *hlineptr,
1322 : *dlineptr;
1323 309 : bool is_local_pager = false,
1324 309 : hmultiline = false,
1325 309 : dmultiline = false;
1326 309 : int output_columns = 0; /* Width of interactive console */
1327 :
1328 309 : if (cancel_pressed)
1329 0 : return;
1330 :
1331 309 : 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 309 : if (cont->cells[0] == NULL && cont->opt->start_table &&
1340 27 : cont->opt->stop_table)
1341 : {
1342 27 : printTableFooter *footers = footers_with_default(cont);
1343 :
1344 27 : if (!opt_tuples_only && !cancel_pressed && footers)
1345 : {
1346 : printTableFooter *f;
1347 :
1348 54 : for (f = footers; f; f = f->next)
1349 27 : fprintf(fout, "%s\n", f->data);
1350 : }
1351 :
1352 27 : fputc('\n', fout);
1353 :
1354 27 : 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 282 : if (!is_pager)
1363 : {
1364 270 : IsPagerNeeded(cont, NULL, true, &fout, &is_pager);
1365 270 : is_local_pager = is_pager;
1366 : }
1367 :
1368 : /* Find the maximum dimensions for the headers */
1369 1734 : for (i = 0; i < cont->ncolumns; i++)
1370 : {
1371 : int width,
1372 : height,
1373 : fs;
1374 :
1375 1452 : pg_wcssize((const unsigned char *) cont->headers[i], strlen(cont->headers[i]),
1376 : encoding, &width, &height, &fs);
1377 1452 : if (width > hwidth)
1378 490 : hwidth = width;
1379 1452 : if (height > hheight)
1380 : {
1381 36 : hheight = height;
1382 36 : hmultiline = true;
1383 : }
1384 1452 : if (fs > hformatsize)
1385 490 : hformatsize = fs;
1386 : }
1387 :
1388 : /* find longest data cell */
1389 3088 : for (ptr = cont->cells; *ptr; ptr++)
1390 : {
1391 : int width,
1392 : height,
1393 : fs;
1394 :
1395 2806 : pg_wcssize((const unsigned char *) *ptr, strlen(*ptr), encoding,
1396 : &width, &height, &fs);
1397 2806 : if (width > dwidth)
1398 578 : dwidth = width;
1399 2806 : if (height > dheight)
1400 : {
1401 51 : dheight = height;
1402 51 : dmultiline = true;
1403 : }
1404 2806 : if (fs > dformatsize)
1405 579 : dformatsize = fs;
1406 : }
1407 :
1408 : /*
1409 : * We now have all the information we need to setup the formatting
1410 : * structures
1411 : */
1412 282 : dlineptr = pg_malloc_array(struct lineptr, (dheight + 1));
1413 282 : hlineptr = pg_malloc_array(struct lineptr, (hheight + 1));
1414 :
1415 282 : dlineptr->ptr = pg_malloc(dformatsize);
1416 282 : hlineptr->ptr = pg_malloc(hformatsize);
1417 :
1418 282 : if (cont->opt->start_table)
1419 : {
1420 : /* print title */
1421 276 : if (!opt_tuples_only && cont->title)
1422 18 : fprintf(fout, "%s\n", cont->title);
1423 : }
1424 :
1425 : /*
1426 : * Choose target output width: \pset columns, or $COLUMNS, or ioctl
1427 : */
1428 282 : if (cont->opt->columns > 0)
1429 114 : output_columns = cont->opt->columns;
1430 168 : else if ((fout == stdout && isatty(fileno(stdout))) || is_pager)
1431 : {
1432 12 : 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 12 : 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 282 : if (cont->opt->format == PRINT_WRAPPED)
1449 : {
1450 : unsigned int swidth,
1451 54 : rwidth = 0,
1452 : newdwidth;
1453 :
1454 54 : 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 15 : swidth = 1;
1463 :
1464 : /* We might need a column for header newline markers, too */
1465 15 : if (hmultiline)
1466 6 : swidth++;
1467 : }
1468 39 : 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 24 : swidth = 3;
1475 :
1476 : /* We might need a column for left header newline markers, too */
1477 24 : if (hmultiline && (format == &pg_asciiformat_old))
1478 3 : 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 15 : swidth = 7;
1489 : }
1490 :
1491 : /* Reserve a column for data newline indicators, too, if needed */
1492 54 : if (dmultiline &&
1493 12 : opt_border < 2 && format != &pg_asciiformat_old)
1494 6 : swidth++;
1495 :
1496 : /* Determine width required for record header lines */
1497 54 : if (!opt_tuples_only)
1498 : {
1499 51 : if (cont->nrows > 0)
1500 51 : rwidth = 1 + (int) log10(cont->nrows);
1501 51 : if (opt_border == 0)
1502 15 : rwidth += 9; /* "* RECORD " */
1503 36 : else if (opt_border == 1)
1504 21 : rwidth += 12; /* "-[ RECORD ]" */
1505 : else
1506 15 : rwidth += 15; /* "+-[ RECORD ]-+" */
1507 : }
1508 :
1509 : /* We might need to do the rest of the calculation twice */
1510 : for (;;)
1511 12 : {
1512 : unsigned int width;
1513 :
1514 : /* Total width required to not wrap data */
1515 66 : width = hwidth + swidth + dwidth;
1516 : /* ... and not the header lines, either */
1517 66 : if (width < rwidth)
1518 0 : width = rwidth;
1519 :
1520 66 : if (output_columns > 0)
1521 : {
1522 : unsigned int min_width;
1523 :
1524 : /* Minimum acceptable width: room for just 3 columns of data */
1525 66 : min_width = hwidth + swidth + 3;
1526 : /* ... but not less than what the record header lines need */
1527 66 : if (min_width < rwidth)
1528 18 : min_width = rwidth;
1529 :
1530 66 : if (output_columns >= width)
1531 : {
1532 : /* Plenty of room, use native data width */
1533 : /* (but at least enough for the record header lines) */
1534 15 : newdwidth = width - hwidth - swidth;
1535 : }
1536 51 : else if (output_columns < min_width)
1537 : {
1538 : /* Set data width to match min_width */
1539 12 : newdwidth = min_width - hwidth - swidth;
1540 : }
1541 : else
1542 : {
1543 : /* Set data width to match output_columns */
1544 39 : 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 66 : if (newdwidth < dwidth && !dmultiline &&
1559 12 : opt_border < 2 && format != &pg_asciiformat_old)
1560 : {
1561 12 : dmultiline = true;
1562 12 : swidth++;
1563 : }
1564 : else
1565 : break;
1566 : }
1567 :
1568 54 : dwidth = newdwidth;
1569 : }
1570 :
1571 : /* print records */
1572 3088 : 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 2806 : if (cancel_pressed)
1583 0 : break;
1584 :
1585 2806 : if (i == 0)
1586 276 : pos = PRINT_RULE_TOP;
1587 : else
1588 2530 : pos = PRINT_RULE_MIDDLE;
1589 :
1590 : /* Print record header (e.g. "[ RECORD N ]") above each record */
1591 2806 : if (i % cont->ncolumns == 0)
1592 : {
1593 842 : unsigned int lhwidth = hwidth;
1594 :
1595 842 : if ((opt_border < 2) &&
1596 48 : (hmultiline) &&
1597 : (format == &pg_asciiformat_old))
1598 24 : lhwidth++; /* for newline indicators */
1599 :
1600 842 : if (!opt_tuples_only)
1601 824 : print_aligned_vertical_line(cont->opt, record++,
1602 : lhwidth, dwidth, output_columns,
1603 : pos, fout);
1604 18 : else if (i != 0 || !cont->opt->start_table || opt_border == 2)
1605 9 : print_aligned_vertical_line(cont->opt, 0, lhwidth,
1606 : dwidth, output_columns, pos, fout);
1607 : }
1608 :
1609 : /* Format the header */
1610 2806 : pg_wcsformat((const unsigned char *) cont->headers[i % cont->ncolumns],
1611 2806 : strlen(cont->headers[i % cont->ncolumns]),
1612 : encoding, hlineptr, hheight);
1613 : /* Format the data */
1614 2806 : 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 2806 : dline = hline = 0;
1622 2806 : dcomplete = hcomplete = 0;
1623 2806 : offset = 0;
1624 2806 : chars_to_output = dlineptr[dline].width;
1625 7058 : while (!dcomplete || !hcomplete)
1626 : {
1627 : /* Left border */
1628 4252 : if (opt_border == 2)
1629 909 : fprintf(fout, "%s", dformat->leftvrule);
1630 :
1631 : /* Header (never wrapped so just need to deal with newlines) */
1632 4252 : if (!hcomplete)
1633 : {
1634 3022 : int swidth = hwidth,
1635 3022 : target_width = hwidth;
1636 :
1637 : /*
1638 : * Left spacer or new line indicator
1639 : */
1640 3022 : if ((opt_border == 2) ||
1641 240 : (hmultiline && (format == &pg_asciiformat_old)))
1642 600 : fputs(hline ? format->header_nl_left : " ", fout);
1643 :
1644 : /*
1645 : * Header text
1646 : */
1647 3022 : strlen_max_width(hlineptr[hline].ptr, &target_width,
1648 : encoding);
1649 3022 : fprintf(fout, "%-s", hlineptr[hline].ptr);
1650 :
1651 : /*
1652 : * Spacer
1653 : */
1654 3022 : swidth -= target_width;
1655 3022 : if (swidth > 0)
1656 1981 : fprintf(fout, "%*s", swidth, " ");
1657 :
1658 : /*
1659 : * New line indicator or separator's space
1660 : */
1661 3022 : if (hlineptr[hline + 1].ptr)
1662 : {
1663 : /* More lines after this one due to a newline */
1664 216 : if ((opt_border > 0) ||
1665 72 : (hmultiline && (format != &pg_asciiformat_old)))
1666 180 : fputs(format->header_nl_right, fout);
1667 216 : hline++;
1668 : }
1669 : else
1670 : {
1671 : /* This was the last line of the header */
1672 2806 : if ((opt_border > 0) ||
1673 48 : (hmultiline && (format != &pg_asciiformat_old)))
1674 2422 : fputs(" ", fout);
1675 2806 : hcomplete = 1;
1676 : }
1677 : }
1678 : else
1679 : {
1680 1230 : unsigned int swidth = hwidth + opt_border;
1681 :
1682 1230 : if ((opt_border < 2) &&
1683 354 : (hmultiline) &&
1684 : (format == &pg_asciiformat_old))
1685 174 : swidth++;
1686 :
1687 1230 : if ((opt_border == 0) &&
1688 273 : (format != &pg_asciiformat_old) &&
1689 : (hmultiline))
1690 90 : swidth++;
1691 :
1692 1230 : fprintf(fout, "%*s", swidth, " ");
1693 : }
1694 :
1695 : /* Separator */
1696 4252 : if (opt_border > 0)
1697 : {
1698 3415 : if (offset)
1699 558 : fputs(format->midvrule_wrap, fout);
1700 2857 : else if (dline == 0)
1701 2398 : fputs(dformat->midvrule, fout);
1702 : else
1703 459 : fputs(format->midvrule_nl, fout);
1704 : }
1705 :
1706 : /* Data */
1707 4252 : if (!dcomplete)
1708 : {
1709 4162 : int target_width = dwidth,
1710 : bytes_to_output,
1711 4162 : swidth = dwidth;
1712 :
1713 : /*
1714 : * Left spacer or wrap indicator
1715 : */
1716 4162 : fputs(offset == 0 ? " " : format->wrap_left, fout);
1717 :
1718 : /*
1719 : * Data text
1720 : */
1721 4162 : bytes_to_output = strlen_max_width(dlineptr[dline].ptr + offset,
1722 : &target_width, encoding);
1723 4162 : fwrite((char *) (dlineptr[dline].ptr + offset),
1724 : 1, bytes_to_output, fout);
1725 :
1726 4162 : chars_to_output -= target_width;
1727 4162 : offset += bytes_to_output;
1728 :
1729 : /* Spacer */
1730 4162 : swidth -= target_width;
1731 :
1732 4162 : if (chars_to_output)
1733 : {
1734 : /* continuing a wrapped column */
1735 705 : if ((opt_border > 1) ||
1736 426 : (dmultiline && (format != &pg_asciiformat_old)))
1737 : {
1738 681 : if (swidth > 0)
1739 0 : fprintf(fout, "%*s", swidth, " ");
1740 681 : fputs(format->wrap_right, fout);
1741 : }
1742 : }
1743 3457 : else if (dlineptr[dline + 1].ptr)
1744 : {
1745 : /* reached a newline in the column */
1746 651 : if ((opt_border > 1) ||
1747 459 : (dmultiline && (format != &pg_asciiformat_old)))
1748 : {
1749 459 : if (swidth > 0)
1750 447 : fprintf(fout, "%*s", swidth, " ");
1751 459 : fputs(format->nl_right, fout);
1752 : }
1753 651 : dline++;
1754 651 : offset = 0;
1755 651 : chars_to_output = dlineptr[dline].width;
1756 : }
1757 : else
1758 : {
1759 : /* reached the end of the cell */
1760 2806 : if (opt_border > 1)
1761 : {
1762 408 : if (swidth > 0)
1763 369 : fprintf(fout, "%*s", swidth, " ");
1764 408 : fputs(" ", fout);
1765 : }
1766 2806 : dcomplete = 1;
1767 : }
1768 :
1769 : /* Right border */
1770 4162 : if (opt_border == 2)
1771 879 : fputs(dformat->rightvrule, fout);
1772 :
1773 4162 : 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 90 : if (opt_border < 2)
1782 60 : fputs("\n", fout);
1783 : else
1784 30 : fprintf(fout, "%*s %s\n", dwidth, "", dformat->rightvrule);
1785 : }
1786 : }
1787 : }
1788 :
1789 282 : if (cont->opt->stop_table)
1790 : {
1791 276 : if (opt_border == 2 && !cancel_pressed)
1792 30 : print_aligned_vertical_line(cont->opt, 0, hwidth, dwidth,
1793 : output_columns, PRINT_RULE_BOTTOM, fout);
1794 :
1795 : /* print footers */
1796 276 : if (!opt_tuples_only && cont->footers != NULL && !cancel_pressed)
1797 : {
1798 : printTableFooter *f;
1799 :
1800 6 : if (opt_border < 2)
1801 6 : fputc('\n', fout);
1802 12 : for (f = cont->footers; f; f = f->next)
1803 6 : fprintf(fout, "%s\n", f->data);
1804 : }
1805 :
1806 276 : fputc('\n', fout);
1807 : }
1808 :
1809 282 : free(hlineptr->ptr);
1810 282 : free(dlineptr->ptr);
1811 282 : free(hlineptr);
1812 282 : free(dlineptr);
1813 :
1814 282 : if (is_local_pager)
1815 0 : ClosePager(fout);
1816 : }
1817 :
1818 :
1819 : /**********************/
1820 : /* CSV format */
1821 : /**********************/
1822 :
1823 :
1824 : static void
1825 54 : csv_escaped_print(const char *str, FILE *fout)
1826 : {
1827 : const char *p;
1828 :
1829 54 : fputc('"', fout);
1830 462 : for (p = str; *p; p++)
1831 : {
1832 408 : if (*p == '"')
1833 21 : fputc('"', fout); /* double quotes are doubled */
1834 408 : fputc(*p, fout);
1835 : }
1836 54 : fputc('"', fout);
1837 54 : }
1838 :
1839 : static void
1840 312 : 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 312 : if (strchr(str, sep) != NULL ||
1856 306 : strcspn(str, "\r\n\"") != strlen(str) ||
1857 273 : strcmp(str, "\\.") == 0 ||
1858 270 : sep == '\\' || sep == '.')
1859 54 : csv_escaped_print(str, fout);
1860 : else
1861 258 : fputs(str, fout);
1862 312 : }
1863 :
1864 : static void
1865 24 : print_csv_text(const printTableContent *cont, FILE *fout)
1866 : {
1867 : const char *const *ptr;
1868 : int i;
1869 :
1870 24 : 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 24 : if (cont->opt->start_table && !cont->opt->tuples_only)
1882 : {
1883 : /* print headers */
1884 81 : for (ptr = cont->headers; *ptr; ptr++)
1885 : {
1886 60 : if (ptr != cont->headers)
1887 39 : fputc(cont->opt->csvFieldSep[0], fout);
1888 60 : csv_print_field(*ptr, fout, cont->opt->csvFieldSep[0]);
1889 : }
1890 21 : fputc('\n', fout);
1891 : }
1892 :
1893 : /* print cells */
1894 126 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
1895 : {
1896 102 : csv_print_field(*ptr, fout, cont->opt->csvFieldSep[0]);
1897 102 : if ((i + 1) % cont->ncolumns)
1898 72 : fputc(cont->opt->csvFieldSep[0], fout);
1899 : else
1900 30 : fputc('\n', fout);
1901 : }
1902 : }
1903 :
1904 : static void
1905 9 : print_csv_vertical(const printTableContent *cont, FILE *fout)
1906 : {
1907 : const char *const *ptr;
1908 : int i;
1909 :
1910 : /* print records */
1911 84 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
1912 : {
1913 75 : if (cancel_pressed)
1914 0 : return;
1915 :
1916 : /* print name of column */
1917 75 : csv_print_field(cont->headers[i % cont->ncolumns], fout,
1918 75 : cont->opt->csvFieldSep[0]);
1919 :
1920 : /* print field separator */
1921 75 : fputc(cont->opt->csvFieldSep[0], fout);
1922 :
1923 : /* print field value */
1924 75 : csv_print_field(*ptr, fout, cont->opt->csvFieldSep[0]);
1925 :
1926 75 : fputc('\n', fout);
1927 : }
1928 : }
1929 :
1930 :
1931 : /**********************/
1932 : /* HTML */
1933 : /**********************/
1934 :
1935 :
1936 : void
1937 411 : html_escaped_print(const char *in, FILE *fout)
1938 : {
1939 : const char *p;
1940 411 : bool leading_space = true;
1941 :
1942 3450 : for (p = in; *p; p++)
1943 : {
1944 3039 : switch (*p)
1945 : {
1946 27 : case '&':
1947 27 : fputs("&", fout);
1948 27 : break;
1949 72 : case '<':
1950 72 : fputs("<", fout);
1951 72 : break;
1952 72 : case '>':
1953 72 : fputs(">", fout);
1954 72 : break;
1955 36 : case '\n':
1956 36 : fputs("<br />\n", fout);
1957 36 : break;
1958 48 : case '"':
1959 48 : fputs(""", fout);
1960 48 : break;
1961 135 : case ' ':
1962 : /* protect leading space, for EXPLAIN output */
1963 135 : if (leading_space)
1964 72 : fputs(" ", fout);
1965 : else
1966 63 : fputs(" ", fout);
1967 135 : break;
1968 2649 : default:
1969 2649 : fputc(*p, fout);
1970 : }
1971 3039 : if (*p != ' ')
1972 2904 : leading_space = false;
1973 : }
1974 411 : }
1975 :
1976 :
1977 : static void
1978 15 : print_html_text(const printTableContent *cont, FILE *fout)
1979 : {
1980 15 : bool opt_tuples_only = cont->opt->tuples_only;
1981 15 : unsigned short opt_border = cont->opt->border;
1982 15 : const char *opt_table_attr = cont->opt->tableAttr;
1983 : unsigned int i;
1984 : const char *const *ptr;
1985 :
1986 15 : if (cancel_pressed)
1987 0 : return;
1988 :
1989 15 : if (cont->opt->start_table)
1990 : {
1991 15 : fprintf(fout, "<table border=\"%d\"", opt_border);
1992 15 : if (opt_table_attr)
1993 3 : fprintf(fout, " %s", opt_table_attr);
1994 15 : fputs(">\n", fout);
1995 :
1996 : /* print title */
1997 15 : if (!opt_tuples_only && cont->title)
1998 : {
1999 3 : fputs(" <caption>", fout);
2000 3 : html_escaped_print(cont->title, fout);
2001 3 : fputs("</caption>\n", fout);
2002 : }
2003 :
2004 : /* print headers */
2005 15 : if (!opt_tuples_only)
2006 : {
2007 12 : fputs(" <tr>\n", fout);
2008 69 : for (ptr = cont->headers; *ptr; ptr++)
2009 : {
2010 57 : fputs(" <th align=\"center\">", fout);
2011 57 : html_escaped_print(*ptr, fout);
2012 57 : fputs("</th>\n", fout);
2013 : }
2014 12 : fputs(" </tr>\n", fout);
2015 : }
2016 : }
2017 :
2018 : /* print cells */
2019 138 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2020 : {
2021 123 : if (i % cont->ncolumns == 0)
2022 : {
2023 27 : if (cancel_pressed)
2024 0 : break;
2025 27 : fputs(" <tr valign=\"top\">\n", fout);
2026 : }
2027 :
2028 123 : fprintf(fout, " <td align=\"%s\">", cont->aligns[(i) % cont->ncolumns] == 'r' ? "right" : "left");
2029 : /* is string only whitespace? */
2030 123 : if ((*ptr)[strspn(*ptr, " \t")] == '\0')
2031 18 : fputs(" ", fout);
2032 : else
2033 105 : html_escaped_print(*ptr, fout);
2034 :
2035 123 : fputs("</td>\n", fout);
2036 :
2037 123 : if ((i + 1) % cont->ncolumns == 0)
2038 27 : fputs(" </tr>\n", fout);
2039 : }
2040 :
2041 15 : if (cont->opt->stop_table)
2042 : {
2043 15 : printTableFooter *footers = footers_with_default(cont);
2044 :
2045 15 : fputs("</table>\n", fout);
2046 :
2047 : /* print footers */
2048 15 : if (!opt_tuples_only && footers != NULL && !cancel_pressed)
2049 : {
2050 : printTableFooter *f;
2051 :
2052 12 : fputs("<p>", fout);
2053 24 : for (f = footers; f; f = f->next)
2054 : {
2055 12 : html_escaped_print(f->data, fout);
2056 12 : fputs("<br />\n", fout);
2057 : }
2058 12 : fputs("</p>", fout);
2059 : }
2060 :
2061 15 : fputc('\n', fout);
2062 : }
2063 : }
2064 :
2065 :
2066 : static void
2067 15 : print_html_vertical(const printTableContent *cont, FILE *fout)
2068 : {
2069 15 : bool opt_tuples_only = cont->opt->tuples_only;
2070 15 : unsigned short opt_border = cont->opt->border;
2071 15 : const char *opt_table_attr = cont->opt->tableAttr;
2072 15 : unsigned long record = cont->opt->prior_records + 1;
2073 : unsigned int i;
2074 : const char *const *ptr;
2075 :
2076 15 : if (cancel_pressed)
2077 0 : return;
2078 :
2079 15 : if (cont->opt->start_table)
2080 : {
2081 15 : fprintf(fout, "<table border=\"%d\"", opt_border);
2082 15 : if (opt_table_attr)
2083 3 : fprintf(fout, " %s", opt_table_attr);
2084 15 : fputs(">\n", fout);
2085 :
2086 : /* print title */
2087 15 : if (!opt_tuples_only && cont->title)
2088 : {
2089 3 : fputs(" <caption>", fout);
2090 3 : html_escaped_print(cont->title, fout);
2091 3 : fputs("</caption>\n", fout);
2092 : }
2093 : }
2094 :
2095 : /* print records */
2096 138 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2097 : {
2098 123 : if (i % cont->ncolumns == 0)
2099 : {
2100 27 : if (cancel_pressed)
2101 0 : break;
2102 27 : if (!opt_tuples_only)
2103 21 : fprintf(fout,
2104 : "\n <tr><td colspan=\"2\" align=\"center\">Record %lu</td></tr>\n",
2105 : record++);
2106 : else
2107 6 : fputs("\n <tr><td colspan=\"2\"> </td></tr>\n", fout);
2108 : }
2109 123 : fputs(" <tr valign=\"top\">\n"
2110 : " <th>", fout);
2111 123 : html_escaped_print(cont->headers[i % cont->ncolumns], fout);
2112 123 : fputs("</th>\n", fout);
2113 :
2114 123 : fprintf(fout, " <td align=\"%s\">", cont->aligns[i % cont->ncolumns] == 'r' ? "right" : "left");
2115 : /* is string only whitespace? */
2116 123 : if ((*ptr)[strspn(*ptr, " \t")] == '\0')
2117 18 : fputs(" ", fout);
2118 : else
2119 105 : html_escaped_print(*ptr, fout);
2120 :
2121 123 : fputs("</td>\n </tr>\n", fout);
2122 : }
2123 :
2124 15 : if (cont->opt->stop_table)
2125 : {
2126 15 : fputs("</table>\n", fout);
2127 :
2128 : /* print footers */
2129 15 : if (!opt_tuples_only && cont->footers != NULL && !cancel_pressed)
2130 : {
2131 : printTableFooter *f;
2132 :
2133 3 : fputs("<p>", fout);
2134 6 : for (f = cont->footers; f; f = f->next)
2135 : {
2136 3 : html_escaped_print(f->data, fout);
2137 3 : fputs("<br />\n", fout);
2138 : }
2139 3 : fputs("</p>", fout);
2140 : }
2141 :
2142 15 : fputc('\n', fout);
2143 : }
2144 : }
2145 :
2146 :
2147 : /*************************/
2148 : /* ASCIIDOC */
2149 : /*************************/
2150 :
2151 :
2152 : static void
2153 327 : asciidoc_escaped_print(const char *in, FILE *fout)
2154 : {
2155 : const char *p;
2156 :
2157 2295 : for (p = in; *p; p++)
2158 : {
2159 1968 : switch (*p)
2160 : {
2161 63 : case '|':
2162 63 : fputs("\\|", fout);
2163 63 : break;
2164 1905 : default:
2165 1905 : fputc(*p, fout);
2166 : }
2167 : }
2168 327 : }
2169 :
2170 : static void
2171 15 : print_asciidoc_text(const printTableContent *cont, FILE *fout)
2172 : {
2173 15 : bool opt_tuples_only = cont->opt->tuples_only;
2174 15 : unsigned short opt_border = cont->opt->border;
2175 : unsigned int i;
2176 : const char *const *ptr;
2177 :
2178 15 : if (cancel_pressed)
2179 0 : return;
2180 :
2181 15 : if (cont->opt->start_table)
2182 : {
2183 : /* print table in new paragraph - enforce preliminary new line */
2184 15 : fputs("\n", fout);
2185 :
2186 : /* print title */
2187 15 : if (!opt_tuples_only && cont->title)
2188 : {
2189 3 : fputs(".", fout);
2190 3 : fputs(cont->title, fout);
2191 3 : fputs("\n", fout);
2192 : }
2193 :
2194 : /* print table [] header definition */
2195 15 : fprintf(fout, "[%scols=\"", !opt_tuples_only ? "options=\"header\"," : "");
2196 78 : for (i = 0; i < cont->ncolumns; i++)
2197 : {
2198 63 : if (i != 0)
2199 48 : fputs(",", fout);
2200 63 : fprintf(fout, "%s", cont->aligns[(i) % cont->ncolumns] == 'r' ? ">l" : "<l");
2201 : }
2202 15 : fputs("\"", fout);
2203 15 : switch (opt_border)
2204 : {
2205 3 : case 0:
2206 3 : fputs(",frame=\"none\",grid=\"none\"", fout);
2207 3 : break;
2208 9 : case 1:
2209 9 : fputs(",frame=\"none\"", fout);
2210 9 : break;
2211 3 : case 2:
2212 3 : fputs(",frame=\"all\",grid=\"all\"", fout);
2213 3 : break;
2214 : }
2215 15 : fputs("]\n", fout);
2216 15 : fputs("|====\n", fout);
2217 :
2218 : /* print headers */
2219 15 : if (!opt_tuples_only)
2220 : {
2221 60 : for (ptr = cont->headers; *ptr; ptr++)
2222 : {
2223 48 : if (ptr != cont->headers)
2224 36 : fputs(" ", fout);
2225 48 : fputs("^l|", fout);
2226 48 : asciidoc_escaped_print(*ptr, fout);
2227 : }
2228 12 : fputs("\n", fout);
2229 : }
2230 : }
2231 :
2232 : /* print cells */
2233 120 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2234 : {
2235 105 : if (i % cont->ncolumns == 0)
2236 : {
2237 27 : if (cancel_pressed)
2238 0 : break;
2239 : }
2240 :
2241 105 : if (i % cont->ncolumns != 0)
2242 78 : fputs(" ", fout);
2243 105 : fputs("|", fout);
2244 :
2245 : /* protect against needless spaces */
2246 105 : if ((*ptr)[strspn(*ptr, " \t")] == '\0')
2247 : {
2248 18 : if ((i + 1) % cont->ncolumns != 0)
2249 18 : fputs(" ", fout);
2250 : }
2251 : else
2252 87 : asciidoc_escaped_print(*ptr, fout);
2253 :
2254 105 : if ((i + 1) % cont->ncolumns == 0)
2255 27 : fputs("\n", fout);
2256 : }
2257 :
2258 15 : fputs("|====\n", fout);
2259 :
2260 15 : if (cont->opt->stop_table)
2261 : {
2262 15 : printTableFooter *footers = footers_with_default(cont);
2263 :
2264 : /* print footers */
2265 15 : if (!opt_tuples_only && footers != NULL && !cancel_pressed)
2266 : {
2267 : printTableFooter *f;
2268 :
2269 12 : fputs("\n....\n", fout);
2270 24 : for (f = footers; f; f = f->next)
2271 : {
2272 12 : fputs(f->data, fout);
2273 12 : fputs("\n", fout);
2274 : }
2275 12 : fputs("....\n", fout);
2276 : }
2277 : }
2278 : }
2279 :
2280 : static void
2281 15 : print_asciidoc_vertical(const printTableContent *cont, FILE *fout)
2282 : {
2283 15 : bool opt_tuples_only = cont->opt->tuples_only;
2284 15 : unsigned short opt_border = cont->opt->border;
2285 15 : unsigned long record = cont->opt->prior_records + 1;
2286 : unsigned int i;
2287 : const char *const *ptr;
2288 :
2289 15 : if (cancel_pressed)
2290 0 : return;
2291 :
2292 15 : if (cont->opt->start_table)
2293 : {
2294 : /* print table in new paragraph - enforce preliminary new line */
2295 15 : fputs("\n", fout);
2296 :
2297 : /* print title */
2298 15 : if (!opt_tuples_only && cont->title)
2299 : {
2300 3 : fputs(".", fout);
2301 3 : fputs(cont->title, fout);
2302 3 : fputs("\n", fout);
2303 : }
2304 :
2305 : /* print table [] header definition */
2306 15 : fputs("[cols=\"h,l\"", fout);
2307 15 : switch (opt_border)
2308 : {
2309 3 : case 0:
2310 3 : fputs(",frame=\"none\",grid=\"none\"", fout);
2311 3 : break;
2312 9 : case 1:
2313 9 : fputs(",frame=\"none\"", fout);
2314 9 : break;
2315 3 : case 2:
2316 3 : fputs(",frame=\"all\",grid=\"all\"", fout);
2317 3 : break;
2318 : }
2319 15 : fputs("]\n", fout);
2320 15 : fputs("|====\n", fout);
2321 : }
2322 :
2323 : /* print records */
2324 120 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2325 : {
2326 105 : if (i % cont->ncolumns == 0)
2327 : {
2328 27 : if (cancel_pressed)
2329 0 : break;
2330 27 : if (!opt_tuples_only)
2331 21 : fprintf(fout,
2332 : "2+^|Record %lu\n",
2333 : record++);
2334 : else
2335 6 : fputs("2+|\n", fout);
2336 : }
2337 :
2338 105 : fputs("<l|", fout);
2339 105 : asciidoc_escaped_print(cont->headers[i % cont->ncolumns], fout);
2340 :
2341 105 : fprintf(fout, " %s|", cont->aligns[i % cont->ncolumns] == 'r' ? ">l" : "<l");
2342 : /* is string only whitespace? */
2343 105 : if ((*ptr)[strspn(*ptr, " \t")] == '\0')
2344 18 : fputs(" ", fout);
2345 : else
2346 87 : asciidoc_escaped_print(*ptr, fout);
2347 105 : fputs("\n", fout);
2348 : }
2349 :
2350 15 : fputs("|====\n", fout);
2351 :
2352 15 : if (cont->opt->stop_table)
2353 : {
2354 : /* print footers */
2355 15 : if (!opt_tuples_only && cont->footers != NULL && !cancel_pressed)
2356 : {
2357 : printTableFooter *f;
2358 :
2359 3 : fputs("\n....\n", fout);
2360 6 : for (f = cont->footers; f; f = f->next)
2361 : {
2362 3 : fputs(f->data, fout);
2363 3 : fputs("\n", fout);
2364 : }
2365 3 : fputs("....\n", fout);
2366 : }
2367 : }
2368 : }
2369 :
2370 :
2371 : /*************************/
2372 : /* LaTeX */
2373 : /*************************/
2374 :
2375 :
2376 : static void
2377 1227 : latex_escaped_print(const char *in, FILE *fout)
2378 : {
2379 : const char *p;
2380 :
2381 10782 : for (p = in; *p; p++)
2382 9555 : 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 108 : case '#':
2390 108 : fputs("\\#", fout);
2391 108 : break;
2392 96 : case '$':
2393 96 : fputs("\\$", fout);
2394 96 : break;
2395 108 : case '%':
2396 108 : fputs("\\%", fout);
2397 108 : break;
2398 108 : case '&':
2399 108 : fputs("\\&", fout);
2400 108 : break;
2401 108 : case '<':
2402 108 : fputs("\\textless{}", fout);
2403 108 : break;
2404 108 : case '>':
2405 108 : fputs("\\textgreater{}", fout);
2406 108 : break;
2407 108 : case '\\':
2408 108 : fputs("\\textbackslash{}", fout);
2409 108 : break;
2410 108 : case '^':
2411 108 : fputs("\\^{}", fout);
2412 108 : break;
2413 234 : case '_':
2414 234 : fputs("\\_", fout);
2415 234 : break;
2416 108 : case '{':
2417 108 : fputs("\\{", fout);
2418 108 : break;
2419 108 : case '|':
2420 108 : fputs("\\textbar{}", fout);
2421 108 : break;
2422 108 : case '}':
2423 108 : fputs("\\}", fout);
2424 108 : break;
2425 108 : case '~':
2426 108 : fputs("\\~{}", fout);
2427 108 : break;
2428 108 : case '\n':
2429 : /* This is not right, but doing it right seems too hard */
2430 108 : fputs("\\\\", fout);
2431 108 : break;
2432 7929 : default:
2433 7929 : fputc(*p, fout);
2434 : }
2435 1227 : }
2436 :
2437 :
2438 : static void
2439 18 : print_latex_text(const printTableContent *cont, FILE *fout)
2440 : {
2441 18 : bool opt_tuples_only = cont->opt->tuples_only;
2442 18 : unsigned short opt_border = cont->opt->border;
2443 : unsigned int i;
2444 : const char *const *ptr;
2445 :
2446 18 : if (cancel_pressed)
2447 0 : return;
2448 :
2449 18 : if (opt_border > 3)
2450 0 : opt_border = 3;
2451 :
2452 18 : if (cont->opt->start_table)
2453 : {
2454 : /* print title */
2455 18 : if (!opt_tuples_only && cont->title)
2456 : {
2457 3 : fputs("\\begin{center}\n", fout);
2458 3 : latex_escaped_print(cont->title, fout);
2459 3 : fputs("\n\\end{center}\n\n", fout);
2460 : }
2461 :
2462 : /* begin environment and set alignments and borders */
2463 18 : fputs("\\begin{tabular}{", fout);
2464 :
2465 18 : if (opt_border >= 2)
2466 6 : fputs("| ", fout);
2467 102 : for (i = 0; i < cont->ncolumns; i++)
2468 : {
2469 84 : fputc(*(cont->aligns + i), fout);
2470 84 : if (opt_border != 0 && i < cont->ncolumns - 1)
2471 57 : fputs(" | ", fout);
2472 : }
2473 18 : if (opt_border >= 2)
2474 6 : fputs(" |", fout);
2475 :
2476 18 : fputs("}\n", fout);
2477 :
2478 18 : if (!opt_tuples_only && opt_border >= 2)
2479 6 : fputs("\\hline\n", fout);
2480 :
2481 : /* print headers */
2482 18 : if (!opt_tuples_only)
2483 : {
2484 84 : for (i = 0, ptr = cont->headers; i < cont->ncolumns; i++, ptr++)
2485 : {
2486 69 : if (i != 0)
2487 54 : fputs(" & ", fout);
2488 69 : fputs("\\textit{", fout);
2489 69 : latex_escaped_print(*ptr, fout);
2490 69 : fputc('}', fout);
2491 : }
2492 15 : fputs(" \\\\\n", fout);
2493 15 : fputs("\\hline\n", fout);
2494 : }
2495 : }
2496 :
2497 : /* print cells */
2498 165 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2499 : {
2500 147 : latex_escaped_print(*ptr, fout);
2501 :
2502 147 : if ((i + 1) % cont->ncolumns == 0)
2503 : {
2504 33 : fputs(" \\\\\n", fout);
2505 33 : if (opt_border == 3)
2506 6 : fputs("\\hline\n", fout);
2507 33 : if (cancel_pressed)
2508 0 : break;
2509 : }
2510 : else
2511 114 : fputs(" & ", fout);
2512 : }
2513 :
2514 18 : if (cont->opt->stop_table)
2515 : {
2516 18 : printTableFooter *footers = footers_with_default(cont);
2517 :
2518 18 : if (opt_border == 2)
2519 3 : fputs("\\hline\n", fout);
2520 :
2521 18 : fputs("\\end{tabular}\n\n\\noindent ", fout);
2522 :
2523 : /* print footers */
2524 18 : if (footers && !opt_tuples_only && !cancel_pressed)
2525 : {
2526 : printTableFooter *f;
2527 :
2528 30 : for (f = footers; f; f = f->next)
2529 : {
2530 15 : latex_escaped_print(f->data, fout);
2531 15 : fputs(" \\\\\n", fout);
2532 : }
2533 : }
2534 :
2535 18 : fputc('\n', fout);
2536 : }
2537 : }
2538 :
2539 :
2540 : /*************************/
2541 : /* LaTeX longtable */
2542 : /*************************/
2543 :
2544 :
2545 : static void
2546 21 : print_latex_longtable_text(const printTableContent *cont, FILE *fout)
2547 : {
2548 21 : bool opt_tuples_only = cont->opt->tuples_only;
2549 21 : unsigned short opt_border = cont->opt->border;
2550 : unsigned int i;
2551 21 : const char *opt_table_attr = cont->opt->tableAttr;
2552 21 : const char *next_opt_table_attr_char = opt_table_attr;
2553 21 : const char *last_opt_table_attr_char = NULL;
2554 : const char *const *ptr;
2555 :
2556 21 : if (cancel_pressed)
2557 0 : return;
2558 :
2559 21 : if (opt_border > 3)
2560 0 : opt_border = 3;
2561 :
2562 21 : if (cont->opt->start_table)
2563 : {
2564 : /* begin environment and set alignments and borders */
2565 21 : fputs("\\begin{longtable}{", fout);
2566 :
2567 21 : if (opt_border >= 2)
2568 9 : fputs("| ", fout);
2569 :
2570 117 : 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 96 : if (*(cont->aligns + i) == 'l' && opt_table_attr)
2575 : {
2576 : #define LONGTABLE_WHITESPACE " \t\n"
2577 :
2578 : /* advance over whitespace */
2579 9 : next_opt_table_attr_char += strspn(next_opt_table_attr_char,
2580 : LONGTABLE_WHITESPACE);
2581 : /* We have a value? */
2582 9 : if (next_opt_table_attr_char[0] != '\0')
2583 : {
2584 3 : fputs("p{", fout);
2585 3 : fwrite(next_opt_table_attr_char, strcspn(next_opt_table_attr_char,
2586 : LONGTABLE_WHITESPACE), 1, fout);
2587 3 : last_opt_table_attr_char = next_opt_table_attr_char;
2588 3 : next_opt_table_attr_char += strcspn(next_opt_table_attr_char,
2589 : LONGTABLE_WHITESPACE);
2590 3 : fputs("\\textwidth}", fout);
2591 : }
2592 : /* use previous value */
2593 6 : else if (last_opt_table_attr_char != NULL)
2594 : {
2595 6 : fputs("p{", fout);
2596 6 : fwrite(last_opt_table_attr_char, strcspn(last_opt_table_attr_char,
2597 : LONGTABLE_WHITESPACE), 1, fout);
2598 6 : fputs("\\textwidth}", fout);
2599 : }
2600 : else
2601 0 : fputc('l', fout);
2602 : }
2603 : else
2604 87 : fputc(*(cont->aligns + i), fout);
2605 :
2606 96 : if (opt_border != 0 && i < cont->ncolumns - 1)
2607 66 : fputs(" | ", fout);
2608 : }
2609 :
2610 21 : if (opt_border >= 2)
2611 9 : fputs(" |", fout);
2612 :
2613 21 : fputs("}\n", fout);
2614 :
2615 : /* print headers */
2616 21 : if (!opt_tuples_only)
2617 : {
2618 : /* firsthead */
2619 18 : if (opt_border >= 2)
2620 9 : fputs("\\toprule\n", fout);
2621 99 : for (i = 0, ptr = cont->headers; i < cont->ncolumns; i++, ptr++)
2622 : {
2623 81 : if (i != 0)
2624 63 : fputs(" & ", fout);
2625 81 : fputs("\\small\\textbf{\\textit{", fout);
2626 81 : latex_escaped_print(*ptr, fout);
2627 81 : fputs("}}", fout);
2628 : }
2629 18 : fputs(" \\\\\n", fout);
2630 18 : fputs("\\midrule\n\\endfirsthead\n", fout);
2631 :
2632 : /* secondary heads */
2633 18 : if (opt_border >= 2)
2634 9 : fputs("\\toprule\n", fout);
2635 99 : for (i = 0, ptr = cont->headers; i < cont->ncolumns; i++, ptr++)
2636 : {
2637 81 : if (i != 0)
2638 63 : fputs(" & ", fout);
2639 81 : fputs("\\small\\textbf{\\textit{", fout);
2640 81 : latex_escaped_print(*ptr, fout);
2641 81 : fputs("}}", fout);
2642 : }
2643 18 : fputs(" \\\\\n", fout);
2644 : /* If the line under the row already appeared, don't do another */
2645 18 : if (opt_border != 3)
2646 12 : fputs("\\midrule\n", fout);
2647 18 : fputs("\\endhead\n", fout);
2648 :
2649 : /* table name, caption? */
2650 18 : if (!opt_tuples_only && cont->title)
2651 : {
2652 : /* Don't output if we are printing a line under each row */
2653 3 : if (opt_border == 2)
2654 0 : fputs("\\bottomrule\n", fout);
2655 3 : fputs("\\caption[", fout);
2656 3 : latex_escaped_print(cont->title, fout);
2657 3 : fputs(" (Continued)]{", fout);
2658 3 : latex_escaped_print(cont->title, fout);
2659 3 : fputs("}\n\\endfoot\n", fout);
2660 3 : if (opt_border == 2)
2661 0 : fputs("\\bottomrule\n", fout);
2662 3 : fputs("\\caption[", fout);
2663 3 : latex_escaped_print(cont->title, fout);
2664 3 : fputs("]{", fout);
2665 3 : latex_escaped_print(cont->title, fout);
2666 3 : fputs("}\n\\endlastfoot\n", fout);
2667 : }
2668 : /* output bottom table line? */
2669 15 : else if (opt_border >= 2)
2670 : {
2671 9 : fputs("\\bottomrule\n\\endfoot\n", fout);
2672 9 : fputs("\\bottomrule\n\\endlastfoot\n", fout);
2673 : }
2674 : }
2675 : }
2676 :
2677 : /* print cells */
2678 192 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2679 : {
2680 : /* Add a line under each row? */
2681 171 : if (i != 0 && i % cont->ncolumns != 0)
2682 132 : fputs("\n&\n", fout);
2683 171 : fputs("\\raggedright{", fout);
2684 171 : latex_escaped_print(*ptr, fout);
2685 171 : fputc('}', fout);
2686 171 : if ((i + 1) % cont->ncolumns == 0)
2687 : {
2688 39 : fputs(" \\tabularnewline\n", fout);
2689 39 : if (opt_border == 3)
2690 12 : fputs(" \\hline\n", fout);
2691 : }
2692 171 : if (cancel_pressed)
2693 0 : break;
2694 : }
2695 :
2696 21 : if (cont->opt->stop_table)
2697 21 : fputs("\\end{longtable}\n", fout);
2698 : }
2699 :
2700 :
2701 : static void
2702 39 : print_latex_vertical(const printTableContent *cont, FILE *fout)
2703 : {
2704 39 : bool opt_tuples_only = cont->opt->tuples_only;
2705 39 : unsigned short opt_border = cont->opt->border;
2706 39 : unsigned long record = cont->opt->prior_records + 1;
2707 : unsigned int i;
2708 : const char *const *ptr;
2709 :
2710 39 : if (cancel_pressed)
2711 0 : return;
2712 :
2713 39 : if (opt_border > 2)
2714 9 : opt_border = 2;
2715 :
2716 39 : if (cont->opt->start_table)
2717 : {
2718 : /* print title */
2719 39 : if (!opt_tuples_only && cont->title)
2720 : {
2721 6 : fputs("\\begin{center}\n", fout);
2722 6 : latex_escaped_print(cont->title, fout);
2723 6 : fputs("\n\\end{center}\n\n", fout);
2724 : }
2725 :
2726 : /* begin environment and set alignments and borders */
2727 39 : fputs("\\begin{tabular}{", fout);
2728 39 : if (opt_border == 0)
2729 6 : fputs("cl", fout);
2730 33 : else if (opt_border == 1)
2731 18 : fputs("c|l", fout);
2732 15 : else if (opt_border == 2)
2733 15 : fputs("|c|l|", fout);
2734 39 : fputs("}\n", fout);
2735 : }
2736 :
2737 : /* print records */
2738 357 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2739 : {
2740 : /* new record */
2741 318 : if (i % cont->ncolumns == 0)
2742 : {
2743 72 : if (cancel_pressed)
2744 0 : break;
2745 72 : if (!opt_tuples_only)
2746 : {
2747 60 : if (opt_border == 2)
2748 : {
2749 30 : fputs("\\hline\n", fout);
2750 30 : fprintf(fout, "\\multicolumn{2}{|c|}{\\textit{Record %lu}} \\\\\n", record++);
2751 : }
2752 : else
2753 30 : fprintf(fout, "\\multicolumn{2}{c}{\\textit{Record %lu}} \\\\\n", record++);
2754 : }
2755 72 : if (opt_border >= 1)
2756 60 : fputs("\\hline\n", fout);
2757 : }
2758 :
2759 318 : latex_escaped_print(cont->headers[i % cont->ncolumns], fout);
2760 318 : fputs(" & ", fout);
2761 318 : latex_escaped_print(*ptr, fout);
2762 318 : fputs(" \\\\\n", fout);
2763 : }
2764 :
2765 39 : if (cont->opt->stop_table)
2766 : {
2767 39 : if (opt_border == 2)
2768 15 : fputs("\\hline\n", fout);
2769 :
2770 39 : fputs("\\end{tabular}\n\n\\noindent ", fout);
2771 :
2772 : /* print footers */
2773 39 : if (cont->footers && !opt_tuples_only && !cancel_pressed)
2774 : {
2775 : printTableFooter *f;
2776 :
2777 12 : for (f = cont->footers; f; f = f->next)
2778 : {
2779 6 : latex_escaped_print(f->data, fout);
2780 6 : fputs(" \\\\\n", fout);
2781 : }
2782 : }
2783 :
2784 39 : fputc('\n', fout);
2785 : }
2786 : }
2787 :
2788 :
2789 : /*************************/
2790 : /* Troff -ms */
2791 : /*************************/
2792 :
2793 :
2794 : static void
2795 447 : troff_ms_escaped_print(const char *in, FILE *fout)
2796 : {
2797 : const char *p;
2798 :
2799 3594 : for (p = in; *p; p++)
2800 3147 : switch (*p)
2801 : {
2802 63 : case '\\':
2803 63 : fputs("\\(rs", fout);
2804 63 : break;
2805 3084 : default:
2806 3084 : fputc(*p, fout);
2807 : }
2808 447 : }
2809 :
2810 :
2811 : static void
2812 15 : print_troff_ms_text(const printTableContent *cont, FILE *fout)
2813 : {
2814 15 : bool opt_tuples_only = cont->opt->tuples_only;
2815 15 : unsigned short opt_border = cont->opt->border;
2816 : unsigned int i;
2817 : const char *const *ptr;
2818 :
2819 15 : if (cancel_pressed)
2820 0 : return;
2821 :
2822 15 : if (opt_border > 2)
2823 0 : opt_border = 2;
2824 :
2825 15 : if (cont->opt->start_table)
2826 : {
2827 : /* print title */
2828 15 : if (!opt_tuples_only && cont->title)
2829 : {
2830 3 : fputs(".LP\n.DS C\n", fout);
2831 3 : troff_ms_escaped_print(cont->title, fout);
2832 3 : fputs("\n.DE\n", fout);
2833 : }
2834 :
2835 : /* begin environment and set alignments and borders */
2836 15 : fputs(".LP\n.TS\n", fout);
2837 15 : if (opt_border == 2)
2838 3 : fputs("center box;\n", fout);
2839 : else
2840 12 : fputs("center;\n", fout);
2841 :
2842 87 : for (i = 0; i < cont->ncolumns; i++)
2843 : {
2844 72 : fputc(*(cont->aligns + i), fout);
2845 72 : if (opt_border > 0 && i < cont->ncolumns - 1)
2846 48 : fputs(" | ", fout);
2847 : }
2848 15 : fputs(".\n", fout);
2849 :
2850 : /* print headers */
2851 15 : if (!opt_tuples_only)
2852 : {
2853 69 : for (i = 0, ptr = cont->headers; i < cont->ncolumns; i++, ptr++)
2854 : {
2855 57 : if (i != 0)
2856 45 : fputc('\t', fout);
2857 57 : fputs("\\fI", fout);
2858 57 : troff_ms_escaped_print(*ptr, fout);
2859 57 : fputs("\\fP", fout);
2860 : }
2861 12 : fputs("\n_\n", fout);
2862 : }
2863 : }
2864 :
2865 : /* print cells */
2866 138 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2867 : {
2868 123 : troff_ms_escaped_print(*ptr, fout);
2869 :
2870 123 : if ((i + 1) % cont->ncolumns == 0)
2871 : {
2872 27 : fputc('\n', fout);
2873 27 : if (cancel_pressed)
2874 0 : break;
2875 : }
2876 : else
2877 96 : fputc('\t', fout);
2878 : }
2879 :
2880 15 : if (cont->opt->stop_table)
2881 : {
2882 15 : printTableFooter *footers = footers_with_default(cont);
2883 :
2884 15 : fputs(".TE\n.DS L\n", fout);
2885 :
2886 : /* print footers */
2887 15 : if (footers && !opt_tuples_only && !cancel_pressed)
2888 : {
2889 : printTableFooter *f;
2890 :
2891 24 : for (f = footers; f; f = f->next)
2892 : {
2893 12 : troff_ms_escaped_print(f->data, fout);
2894 12 : fputc('\n', fout);
2895 : }
2896 : }
2897 :
2898 15 : fputs(".DE\n", fout);
2899 : }
2900 : }
2901 :
2902 :
2903 : static void
2904 15 : print_troff_ms_vertical(const printTableContent *cont, FILE *fout)
2905 : {
2906 15 : bool opt_tuples_only = cont->opt->tuples_only;
2907 15 : unsigned short opt_border = cont->opt->border;
2908 15 : unsigned long record = cont->opt->prior_records + 1;
2909 : unsigned int i;
2910 : const char *const *ptr;
2911 15 : unsigned short current_format = 0; /* 0=none, 1=header, 2=body */
2912 :
2913 15 : if (cancel_pressed)
2914 0 : return;
2915 :
2916 15 : if (opt_border > 2)
2917 0 : opt_border = 2;
2918 :
2919 15 : if (cont->opt->start_table)
2920 : {
2921 : /* print title */
2922 15 : if (!opt_tuples_only && cont->title)
2923 : {
2924 3 : fputs(".LP\n.DS C\n", fout);
2925 3 : troff_ms_escaped_print(cont->title, fout);
2926 3 : fputs("\n.DE\n", fout);
2927 : }
2928 :
2929 : /* begin environment and set alignments and borders */
2930 15 : fputs(".LP\n.TS\n", fout);
2931 15 : if (opt_border == 2)
2932 3 : fputs("center box;\n", fout);
2933 : else
2934 12 : fputs("center;\n", fout);
2935 :
2936 : /* basic format */
2937 15 : if (opt_tuples_only)
2938 3 : fputs("c l;\n", fout);
2939 : }
2940 : else
2941 0 : current_format = 2; /* assume tuples printed already */
2942 :
2943 : /* print records */
2944 138 : for (i = 0, ptr = cont->cells; *ptr; i++, ptr++)
2945 : {
2946 : /* new record */
2947 123 : if (i % cont->ncolumns == 0)
2948 : {
2949 27 : if (cancel_pressed)
2950 0 : break;
2951 27 : if (!opt_tuples_only)
2952 : {
2953 21 : if (current_format != 1)
2954 : {
2955 21 : if (opt_border == 2 && record > 1)
2956 3 : fputs("_\n", fout);
2957 21 : if (current_format != 0)
2958 9 : fputs(".T&\n", fout);
2959 21 : fputs("c s.\n", fout);
2960 21 : current_format = 1;
2961 : }
2962 21 : fprintf(fout, "\\fIRecord %lu\\fP\n", record++);
2963 : }
2964 27 : if (opt_border >= 1)
2965 21 : fputs("_\n", fout);
2966 : }
2967 :
2968 123 : if (!opt_tuples_only)
2969 : {
2970 93 : if (current_format != 2)
2971 : {
2972 21 : if (current_format != 0)
2973 21 : fputs(".T&\n", fout);
2974 21 : if (opt_border != 1)
2975 12 : fputs("c l.\n", fout);
2976 : else
2977 9 : fputs("c | l.\n", fout);
2978 21 : current_format = 2;
2979 : }
2980 : }
2981 :
2982 123 : troff_ms_escaped_print(cont->headers[i % cont->ncolumns], fout);
2983 123 : fputc('\t', fout);
2984 123 : troff_ms_escaped_print(*ptr, fout);
2985 :
2986 123 : fputc('\n', fout);
2987 : }
2988 :
2989 15 : if (cont->opt->stop_table)
2990 : {
2991 15 : fputs(".TE\n.DS L\n", fout);
2992 :
2993 : /* print footers */
2994 15 : if (cont->footers && !opt_tuples_only && !cancel_pressed)
2995 : {
2996 : printTableFooter *f;
2997 :
2998 6 : for (f = cont->footers; f; f = f->next)
2999 : {
3000 3 : troff_ms_escaped_print(f->data, fout);
3001 3 : fputc('\n', fout);
3002 : }
3003 : }
3004 :
3005 15 : 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 9695 : restore_sigpipe_trap(void)
3048 : {
3049 : #ifndef WIN32
3050 9695 : pqsignal(SIGPIPE, always_ignore_sigpipe ? SIG_IGN : SIG_DFL);
3051 : #endif
3052 9695 : }
3053 :
3054 : /*
3055 : * set_sigpipe_trap_state
3056 : *
3057 : * Set the trap state that restore_sigpipe_trap should restore to.
3058 : */
3059 : void
3060 9688 : set_sigpipe_trap_state(bool ignore)
3061 : {
3062 9688 : always_ignore_sigpipe = ignore;
3063 9688 : }
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 437 : PageOutput(int lines, const printTableOpt *topt)
3079 : {
3080 437 : 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 75951 : 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 75951 : 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 75948 : return stdout;
3152 : }
3153 :
3154 : /*
3155 : * ClosePager
3156 : *
3157 : * Close previously opened pager pipe, if any
3158 : */
3159 : void
3160 440 : ClosePager(FILE *pagerpipe)
3161 : {
3162 440 : 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 440 : }
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 75953 : printTableInit(printTableContent *const content, const printTableOpt *opt,
3192 : const char *title, const int ncolumns, const int nrows)
3193 : {
3194 : uint64 total_cells;
3195 :
3196 75953 : content->opt = opt;
3197 75953 : content->title = title;
3198 75953 : content->ncolumns = ncolumns;
3199 75953 : content->nrows = nrows;
3200 :
3201 75953 : content->headers = pg_malloc0_array(const char *, (ncolumns + 1));
3202 :
3203 75953 : total_cells = (uint64) ncolumns * nrows;
3204 : /* Catch possible overflow. Using >= here allows adding 1 below */
3205 75953 : 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 75953 : content->cells = pg_malloc0_array(const char *, (total_cells + 1));
3213 :
3214 75953 : content->cellmustfree = NULL;
3215 75953 : content->footers = NULL;
3216 :
3217 75953 : content->aligns = pg_malloc0_array(char, (ncolumns + 1));
3218 :
3219 75953 : content->header = content->headers;
3220 75953 : content->cell = content->cells;
3221 75953 : content->footer = content->footers;
3222 75953 : content->align = content->aligns;
3223 75953 : content->cellsadded = 0;
3224 75953 : }
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 142351 : 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 142351 : 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 284702 : *content->header = (char *) mbvalidate((unsigned char *) header,
3255 142351 : content->opt->encoding);
3256 : #ifdef ENABLE_NLS
3257 142351 : if (translate)
3258 20231 : *content->header = _(*content->header);
3259 : #endif
3260 142351 : content->header++;
3261 :
3262 142351 : *content->align = align;
3263 142351 : content->align++;
3264 142351 : }
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 2391153 : 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 2391153 : total_cells = (uint64) content->ncolumns * content->nrows;
3289 2391153 : 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 4782306 : *content->cell = (char *) mbvalidate((unsigned char *) cell,
3297 2391153 : content->opt->encoding);
3298 :
3299 : #ifdef ENABLE_NLS
3300 2391153 : if (translate)
3301 922 : *content->cell = _(*content->cell);
3302 : #endif
3303 :
3304 2391153 : if (mustfree)
3305 : {
3306 287 : if (content->cellmustfree == NULL)
3307 221 : content->cellmustfree =
3308 221 : pg_malloc0_array(bool, (total_cells + 1));
3309 :
3310 287 : content->cellmustfree[content->cellsadded] = true;
3311 : }
3312 2391153 : content->cell++;
3313 2391153 : content->cellsadded++;
3314 2391153 : }
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 6400 : printTableAddFooter(printTableContent *const content, const char *footer)
3330 : {
3331 : printTableFooter *f;
3332 :
3333 6400 : f = pg_malloc0_object(printTableFooter);
3334 6400 : f->data = pg_strdup(footer);
3335 :
3336 6400 : if (content->footers == NULL)
3337 1993 : content->footers = f;
3338 : else
3339 4407 : content->footer->next = f;
3340 :
3341 6400 : content->footer = f;
3342 6400 : }
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 15 : printTableSetFooter(printTableContent *const content, const char *footer)
3355 : {
3356 15 : if (content->footers != NULL)
3357 : {
3358 15 : free(content->footer->data);
3359 15 : content->footer->data = pg_strdup(footer);
3360 : }
3361 : else
3362 0 : printTableAddFooter(content, footer);
3363 15 : }
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 75953 : printTableCleanup(printTableContent *const content)
3373 : {
3374 75953 : if (content->cellmustfree)
3375 : {
3376 : uint64 total_cells;
3377 :
3378 221 : total_cells = (uint64) content->ncolumns * content->nrows;
3379 4094 : for (uint64 i = 0; i < total_cells; i++)
3380 : {
3381 3873 : if (content->cellmustfree[i])
3382 287 : free(unconstify(char *, content->cells[i]));
3383 : }
3384 221 : free(content->cellmustfree);
3385 221 : content->cellmustfree = NULL;
3386 : }
3387 75953 : free(content->headers);
3388 75953 : free(content->cells);
3389 75953 : free(content->aligns);
3390 :
3391 75953 : content->opt = NULL;
3392 75953 : content->title = NULL;
3393 75953 : content->headers = NULL;
3394 75953 : content->cells = NULL;
3395 75953 : content->aligns = NULL;
3396 75953 : content->header = NULL;
3397 75953 : content->cell = NULL;
3398 75953 : content->align = NULL;
3399 :
3400 75953 : if (content->footers)
3401 : {
3402 8393 : for (content->footer = content->footers; content->footer;)
3403 : {
3404 : printTableFooter *f;
3405 :
3406 6400 : f = content->footer;
3407 6400 : content->footer = f->next;
3408 6400 : free(f->data);
3409 6400 : free(f);
3410 : }
3411 : }
3412 75953 : content->footers = NULL;
3413 75953 : content->footer = NULL;
3414 75953 : }
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 75542 : IsPagerNeeded(const printTableContent *cont, const unsigned int *width_wrap,
3431 : bool vertical,
3432 : FILE **fout, bool *is_pager)
3433 : {
3434 75542 : if (*fout == stdout)
3435 : {
3436 75514 : *fout = PageOutputInternal(0, cont->opt, cont, width_wrap, vertical);
3437 75514 : *is_pager = (*fout != stdout);
3438 : }
3439 : else
3440 28 : *is_pager = false;
3441 75542 : }
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 75950 : printTable(const printTableContent *cont,
3637 : FILE *fout, bool is_pager, FILE *flog)
3638 : {
3639 75950 : bool is_local_pager = false;
3640 :
3641 75950 : if (cancel_pressed)
3642 0 : return;
3643 :
3644 75950 : if (cont->opt->format == PRINT_NOTHING)
3645 0 : return;
3646 :
3647 : /* print_aligned_*() handle the pager themselves */
3648 75950 : if (!is_pager &&
3649 75875 : cont->opt->format != PRINT_ALIGNED &&
3650 9722 : cont->opt->format != PRINT_WRAPPED)
3651 : {
3652 9596 : IsPagerNeeded(cont, NULL, (cont->opt->expanded == 1), &fout, &is_pager);
3653 9596 : is_local_pager = is_pager;
3654 : }
3655 :
3656 : /* clear any pre-existing error indication on the output stream */
3657 75950 : clearerr(fout);
3658 :
3659 : /* print the stuff */
3660 75950 : switch (cont->opt->format)
3661 : {
3662 9395 : case PRINT_UNALIGNED:
3663 9395 : if (cont->opt->expanded == 1)
3664 52 : print_unaligned_vertical(cont, fout);
3665 : else
3666 9343 : print_unaligned_text(cont, fout);
3667 9395 : break;
3668 66354 : 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 66354 : if (cont->opt->expanded == 1 ||
3677 66045 : (cont->opt->expanded == 2 && is_pager))
3678 309 : print_aligned_vertical(cont, fout, is_pager);
3679 : else
3680 66045 : print_aligned_text(cont, fout, is_pager);
3681 66354 : break;
3682 33 : case PRINT_CSV:
3683 33 : if (cont->opt->expanded == 1)
3684 9 : print_csv_vertical(cont, fout);
3685 : else
3686 24 : print_csv_text(cont, fout);
3687 33 : break;
3688 30 : case PRINT_HTML:
3689 30 : if (cont->opt->expanded == 1)
3690 15 : print_html_vertical(cont, fout);
3691 : else
3692 15 : print_html_text(cont, fout);
3693 30 : break;
3694 30 : case PRINT_ASCIIDOC:
3695 30 : if (cont->opt->expanded == 1)
3696 15 : print_asciidoc_vertical(cont, fout);
3697 : else
3698 15 : print_asciidoc_text(cont, fout);
3699 30 : break;
3700 36 : case PRINT_LATEX:
3701 36 : if (cont->opt->expanded == 1)
3702 18 : print_latex_vertical(cont, fout);
3703 : else
3704 18 : print_latex_text(cont, fout);
3705 36 : break;
3706 42 : case PRINT_LATEX_LONGTABLE:
3707 42 : if (cont->opt->expanded == 1)
3708 21 : print_latex_vertical(cont, fout);
3709 : else
3710 21 : print_latex_longtable_text(cont, fout);
3711 42 : break;
3712 30 : case PRINT_TROFF_MS:
3713 30 : if (cont->opt->expanded == 1)
3714 15 : print_troff_ms_vertical(cont, fout);
3715 : else
3716 15 : print_troff_ms_text(cont, fout);
3717 30 : 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 75950 : if (is_local_pager)
3725 3 : ClosePager(fout);
3726 :
3727 : /* also produce log output if wanted */
3728 75950 : 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 73728 : 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 73728 : if (cancel_pressed)
3751 0 : return;
3752 :
3753 73728 : 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 201565 : for (i = 0; i < cont.ncolumns; i++)
3761 : {
3762 127837 : printTableAddHeader(&cont, PQfname(result, i),
3763 127837 : opt->translate_header,
3764 127837 : column_type_alignment(PQftype(result, i)));
3765 : }
3766 :
3767 : /* set cells */
3768 1200519 : for (r = 0; r < cont.nrows; r++)
3769 : {
3770 3485470 : for (c = 0; c < cont.ncolumns; c++)
3771 : {
3772 : char *cell;
3773 2358679 : bool mustfree = false;
3774 : bool translate;
3775 :
3776 2358679 : if (PQgetisnull(result, r, c))
3777 33423 : cell = opt->nullPrint ? opt->nullPrint : "";
3778 2325256 : else if (PQftype(result, c) == BOOLOID)
3779 79632 : cell = (PQgetvalue(result, r, c)[0] == 't' ?
3780 63340 : (opt->truePrint ? opt->truePrint : "t") :
3781 23524 : (opt->falsePrint ? opt->falsePrint : "f"));
3782 : else
3783 : {
3784 2285440 : cell = PQgetvalue(result, r, c);
3785 2285440 : if (cont.aligns[c] == 'r' && opt->topt.numericLocale)
3786 : {
3787 48 : cell = format_numeric_locale(cell);
3788 48 : mustfree = true;
3789 : }
3790 : }
3791 :
3792 2358679 : translate = (opt->translate_columns && opt->translate_columns[c]);
3793 2358679 : printTableAddCell(&cont, cell, translate, mustfree);
3794 : }
3795 : }
3796 :
3797 : /* set footers */
3798 73728 : if (opt->footers)
3799 : {
3800 : char **footer;
3801 :
3802 195 : for (footer = opt->footers; *footer; footer++)
3803 93 : printTableAddFooter(&cont, *footer);
3804 : }
3805 :
3806 73728 : printTable(&cont, fout, is_pager, flog);
3807 73728 : printTableCleanup(&cont);
3808 : }
3809 :
3810 : char
3811 127921 : column_type_alignment(Oid ftype)
3812 : {
3813 : char align;
3814 :
3815 127921 : switch (ftype)
3816 : {
3817 50124 : 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 50124 : align = 'r';
3830 50124 : break;
3831 77797 : default:
3832 77797 : align = 'l';
3833 77797 : break;
3834 : }
3835 127921 : return align;
3836 : }
3837 :
3838 : void
3839 9870 : setDecimalLocale(void)
3840 : {
3841 : struct lconv *extlconv;
3842 :
3843 9870 : extlconv = localeconv();
3844 :
3845 : /* Don't accept an empty decimal_point string */
3846 9870 : if (*extlconv->decimal_point)
3847 9870 : 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 9870 : groupdigits = *extlconv->grouping;
3859 9870 : if (groupdigits <= 0 || groupdigits > 6)
3860 9204 : groupdigits = 3; /* most common */
3861 :
3862 : /* Don't accept an empty thousands_sep string, either */
3863 : /* similar code exists in formatting.c */
3864 9870 : if (*extlconv->thousands_sep)
3865 666 : thousands_sep = pg_strdup(extlconv->thousands_sep);
3866 : /* Make sure thousands separator doesn't match decimal point symbol. */
3867 9204 : else if (strcmp(decimal_point, ",") != 0)
3868 9204 : thousands_sep = ",";
3869 : else
3870 0 : thousands_sep = ".";
3871 9870 : }
3872 :
3873 : /* get selected or default line style */
3874 : const printTextFormat *
3875 67220 : 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 67220 : if (opt->line_style != NULL)
3883 1473 : return opt->line_style;
3884 : else
3885 65747 : return &pg_asciiformat;
3886 : }
3887 :
3888 : void
3889 9870 : refresh_utf8format(const printTableOpt *opt)
3890 : {
3891 9870 : printTextFormat *popt = &pg_utf8format;
3892 :
3893 : const unicodeStyleBorderFormat *border;
3894 : const unicodeStyleRowFormat *header;
3895 : const unicodeStyleColumnFormat *column;
3896 :
3897 9870 : popt->name = "unicode";
3898 :
3899 9870 : border = &unicode_style.border_style[opt->unicode_border_linestyle];
3900 9870 : header = &unicode_style.row_style[opt->unicode_header_linestyle];
3901 9870 : column = &unicode_style.column_style[opt->unicode_column_linestyle];
3902 :
3903 9870 : popt->lrule[PRINT_RULE_TOP].hrule = border->horizontal;
3904 9870 : popt->lrule[PRINT_RULE_TOP].leftvrule = border->down_and_right;
3905 9870 : popt->lrule[PRINT_RULE_TOP].midvrule = column->down_and_horizontal[opt->unicode_border_linestyle];
3906 9870 : popt->lrule[PRINT_RULE_TOP].rightvrule = border->down_and_left;
3907 :
3908 9870 : popt->lrule[PRINT_RULE_MIDDLE].hrule = header->horizontal;
3909 9870 : popt->lrule[PRINT_RULE_MIDDLE].leftvrule = header->vertical_and_right[opt->unicode_border_linestyle];
3910 9870 : popt->lrule[PRINT_RULE_MIDDLE].midvrule = column->vertical_and_horizontal[opt->unicode_header_linestyle];
3911 9870 : popt->lrule[PRINT_RULE_MIDDLE].rightvrule = header->vertical_and_left[opt->unicode_border_linestyle];
3912 :
3913 9870 : popt->lrule[PRINT_RULE_BOTTOM].hrule = border->horizontal;
3914 9870 : popt->lrule[PRINT_RULE_BOTTOM].leftvrule = border->up_and_right;
3915 9870 : popt->lrule[PRINT_RULE_BOTTOM].midvrule = column->up_and_horizontal[opt->unicode_border_linestyle];
3916 9870 : popt->lrule[PRINT_RULE_BOTTOM].rightvrule = border->left_and_right;
3917 :
3918 : /* N/A */
3919 9870 : popt->lrule[PRINT_RULE_DATA].hrule = "";
3920 9870 : popt->lrule[PRINT_RULE_DATA].leftvrule = border->vertical;
3921 9870 : popt->lrule[PRINT_RULE_DATA].midvrule = column->vertical;
3922 9870 : popt->lrule[PRINT_RULE_DATA].rightvrule = border->vertical;
3923 :
3924 9870 : popt->midvrule_nl = column->vertical;
3925 9870 : popt->midvrule_wrap = column->vertical;
3926 9870 : popt->midvrule_blank = column->vertical;
3927 :
3928 : /* Same for all unicode today */
3929 9870 : popt->header_nl_left = unicode_style.header_nl_left;
3930 9870 : popt->header_nl_right = unicode_style.header_nl_right;
3931 9870 : popt->nl_left = unicode_style.nl_left;
3932 9870 : popt->nl_right = unicode_style.nl_right;
3933 9870 : popt->wrap_left = unicode_style.wrap_left;
3934 9870 : popt->wrap_right = unicode_style.wrap_right;
3935 9870 : popt->wrap_right_border = unicode_style.wrap_right_border;
3936 9870 : }
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 581429 : strlen_max_width(unsigned char *str, int *target_width, int encoding)
3945 : {
3946 581429 : unsigned char *start = str;
3947 581429 : unsigned char *end = str + strlen((char *) str);
3948 581429 : int curr_width = 0;
3949 :
3950 7293454 : while (str < end)
3951 : {
3952 6712790 : 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 6712790 : if (*target_width < curr_width + char_width && curr_width != 0)
3961 765 : break;
3962 :
3963 6712025 : curr_width += char_width;
3964 :
3965 6712025 : str += PQmblen((char *) str, encoding);
3966 :
3967 6712025 : if (str > end) /* Don't overrun invalid string */
3968 0 : str = end;
3969 : }
3970 :
3971 581429 : *target_width = curr_width;
3972 :
3973 581429 : return str - start;
3974 : }
|
