Annotation of mandoc/tbl.c, Revision 1.36
1.36 ! schwarze 1: /* $Id: tbl.c,v 1.35 2015/01/28 15:03:45 schwarze Exp $ */
1.1 kristaps 2: /*
1.22 schwarze 3: * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.33 schwarze 4: * Copyright (c) 2011, 2015 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
1.25 kristaps 18: #include "config.h"
1.30 schwarze 19:
20: #include <sys/types.h>
1.25 kristaps 21:
1.1 kristaps 22: #include <assert.h>
1.3 kristaps 23: #include <stdio.h>
1.1 kristaps 24: #include <stdlib.h>
25: #include <string.h>
26: #include <time.h>
27:
28: #include "mandoc.h"
1.28 schwarze 29: #include "mandoc_aux.h"
1.1 kristaps 30: #include "libmandoc.h"
31: #include "libroff.h"
32:
1.29 schwarze 33:
1.1 kristaps 34: enum rofferr
1.35 schwarze 35: tbl_read(struct tbl_node *tbl, int ln, const char *p, int pos)
1.1 kristaps 36: {
37: const char *cp;
1.33 schwarze 38: int active;
1.1 kristaps 39:
1.5 kristaps 40: /*
1.33 schwarze 41: * In the options section, proceed to the layout section
42: * after a semicolon, or right away if there is no semicolon.
43: * Ignore semicolons in arguments.
1.5 kristaps 44: */
45:
1.33 schwarze 46: if (tbl->part == TBL_PART_OPTS) {
47: tbl->part = TBL_PART_LAYOUT;
48: active = 1;
1.35 schwarze 49: for (cp = p + pos; *cp != '\0'; cp++) {
1.33 schwarze 50: switch (*cp) {
51: case '(':
52: active = 0;
53: continue;
54: case ')':
55: active = 1;
56: continue;
57: case ';':
58: if (active)
59: break;
60: continue;
61: default:
62: continue;
63: }
64: break;
65: }
66: if (*cp == ';') {
1.35 schwarze 67: tbl_option(tbl, ln, p, &pos);
68: if (p[pos] == '\0')
1.33 schwarze 69: return(ROFF_IGN);
70: }
71: }
1.5 kristaps 72:
1.33 schwarze 73: /* Process the other section types. */
1.5 kristaps 74:
75: switch (tbl->part) {
1.29 schwarze 76: case TBL_PART_LAYOUT:
1.35 schwarze 77: tbl_layout(tbl, ln, p, pos);
1.31 schwarze 78: return(ROFF_IGN);
1.29 schwarze 79: case TBL_PART_CDATA:
1.35 schwarze 80: return(tbl_cdata(tbl, ln, p, pos) ? ROFF_TBL : ROFF_IGN);
1.21 kristaps 81: default:
1.5 kristaps 82: break;
1.8 kristaps 83: }
84:
1.35 schwarze 85: tbl_data(tbl, ln, p, pos);
1.32 schwarze 86: return(ROFF_TBL);
1.1 kristaps 87: }
88:
1.17 kristaps 89: struct tbl_node *
1.23 kristaps 90: tbl_alloc(int pos, int line, struct mparse *parse)
1.1 kristaps 91: {
1.27 schwarze 92: struct tbl_node *tbl;
1.1 kristaps 93:
1.27 schwarze 94: tbl = mandoc_calloc(1, sizeof(struct tbl_node));
95: tbl->line = line;
96: tbl->pos = pos;
97: tbl->parse = parse;
98: tbl->part = TBL_PART_OPTS;
99: tbl->opts.tab = '\t';
100: tbl->opts.decimal = '.';
101: return(tbl);
1.1 kristaps 102: }
103:
104: void
1.27 schwarze 105: tbl_free(struct tbl_node *tbl)
1.1 kristaps 106: {
1.10 kristaps 107: struct tbl_row *rp;
108: struct tbl_cell *cp;
109: struct tbl_span *sp;
110: struct tbl_dat *dp;
1.15 kristaps 111: struct tbl_head *hp;
1.1 kristaps 112:
1.27 schwarze 113: while (NULL != (rp = tbl->first_row)) {
114: tbl->first_row = rp->next;
1.10 kristaps 115: while (rp->first) {
116: cp = rp->first;
117: rp->first = cp->next;
118: free(cp);
119: }
120: free(rp);
121: }
1.1 kristaps 122:
1.27 schwarze 123: while (NULL != (sp = tbl->first_span)) {
124: tbl->first_span = sp->next;
1.10 kristaps 125: while (sp->first) {
126: dp = sp->first;
127: sp->first = dp->next;
128: if (dp->string)
129: free(dp->string);
130: free(dp);
131: }
132: free(sp);
1.15 kristaps 133: }
134:
1.27 schwarze 135: while (NULL != (hp = tbl->first_head)) {
136: tbl->first_head = hp->next;
1.15 kristaps 137: free(hp);
1.10 kristaps 138: }
1.1 kristaps 139:
1.27 schwarze 140: free(tbl);
1.7 kristaps 141: }
142:
143: void
1.17 kristaps 144: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.7 kristaps 145: {
1.36 ! schwarze 146: if (tbl->part == TBL_PART_CDATA)
! 147: mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
! 148: line, pos, "T&");
1.7 kristaps 149:
150: tbl->part = TBL_PART_LAYOUT;
1.14 kristaps 151: tbl->line = line;
152: tbl->pos = pos;
1.1 kristaps 153: }
1.3 kristaps 154:
1.11 kristaps 155: const struct tbl_span *
1.22 schwarze 156: tbl_span(struct tbl_node *tbl)
1.11 kristaps 157: {
1.22 schwarze 158: struct tbl_span *span;
1.11 kristaps 159:
160: assert(tbl);
1.22 schwarze 161: span = tbl->current_span ? tbl->current_span->next
162: : tbl->first_span;
163: if (span)
164: tbl->current_span = span;
165: return(span);
1.13 kristaps 166: }
167:
1.36 ! schwarze 168: int
1.26 kristaps 169: tbl_end(struct tbl_node **tblp)
1.13 kristaps 170: {
1.26 kristaps 171: struct tbl_node *tbl;
1.34 schwarze 172: struct tbl_span *sp;
1.26 kristaps 173:
174: tbl = *tblp;
175: *tblp = NULL;
1.13 kristaps 176:
1.36 ! schwarze 177: if (tbl->part == TBL_PART_CDATA)
! 178: mandoc_msg(MANDOCERR_TBLDATA_BLK, tbl->parse,
! 179: tbl->line, tbl->pos, "TE");
! 180:
1.34 schwarze 181: sp = tbl->first_span;
182: while (sp != NULL && sp->first == NULL)
183: sp = sp->next;
1.36 ! schwarze 184: if (sp == NULL) {
! 185: mandoc_msg(MANDOCERR_TBLDATA_NONE, tbl->parse,
1.29 schwarze 186: tbl->line, tbl->pos, NULL);
1.36 ! schwarze 187: return(0);
! 188: }
1.18 kristaps 189:
1.36 ! schwarze 190: if (tbl->last_span != NULL)
1.18 kristaps 191: tbl->last_span->flags |= TBL_SPAN_LAST;
1.21 kristaps 192:
1.36 ! schwarze 193: return(1);
1.16 kristaps 194: }
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