Annotation of mandoc/tbl.c, Revision 1.33
1.33 ! schwarze 1: /* $Id: tbl.c,v 1.32 2015/01/21 00:47:04 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
1.17 kristaps 35: tbl_read(struct tbl_node *tbl, int ln, const char *p, int offs)
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;
! 49: for (cp = p; *cp != '\0'; cp++) {
! 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 == ';') {
! 67: tbl_option(tbl, ln, p);
! 68: if (*(p = cp + 1) == '\0')
! 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:
1.31 schwarze 77: tbl_layout(tbl, ln, p);
78: return(ROFF_IGN);
1.29 schwarze 79: case TBL_PART_CDATA:
1.21 kristaps 80: return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
81: default:
1.5 kristaps 82: break;
1.8 kristaps 83: }
84:
1.32 schwarze 85: tbl_data(tbl, ln, p);
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: {
1.21 kristaps 146: if (TBL_PART_CDATA == tbl->part)
1.29 schwarze 147: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
148: tbl->line, tbl->pos, NULL);
1.7 kristaps 149:
150: tbl->part = TBL_PART_LAYOUT;
1.14 kristaps 151: tbl->line = line;
152: tbl->pos = pos;
153:
154: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.23 kristaps 155: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
1.29 schwarze 156: tbl->line, tbl->pos, NULL);
1.1 kristaps 157: }
1.3 kristaps 158:
1.11 kristaps 159: const struct tbl_span *
1.22 schwarze 160: tbl_span(struct tbl_node *tbl)
1.11 kristaps 161: {
1.22 schwarze 162: struct tbl_span *span;
1.11 kristaps 163:
164: assert(tbl);
1.22 schwarze 165: span = tbl->current_span ? tbl->current_span->next
166: : tbl->first_span;
167: if (span)
168: tbl->current_span = span;
169: return(span);
1.13 kristaps 170: }
171:
172: void
1.26 kristaps 173: tbl_end(struct tbl_node **tblp)
1.13 kristaps 174: {
1.26 kristaps 175: struct tbl_node *tbl;
176:
177: tbl = *tblp;
178: *tblp = NULL;
1.13 kristaps 179:
180: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.29 schwarze 181: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
182: tbl->line, tbl->pos, NULL);
1.18 kristaps 183:
184: if (tbl->last_span)
185: tbl->last_span->flags |= TBL_SPAN_LAST;
1.21 kristaps 186:
187: if (TBL_PART_CDATA == tbl->part)
1.29 schwarze 188: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
189: tbl->line, tbl->pos, NULL);
1.16 kristaps 190: }
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