Annotation of src/usr.bin/mandoc/tbl.c, Revision 1.8
1.8 ! schwarze 1: /* $Id: tbl.c,v 1.7 2011/09/18 10:25:28 schwarze Exp $ */
1.1 schwarze 2: /*
1.4 schwarze 3: * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.5 schwarze 4: * Copyright (c) 2011 Ingo Schwarze <schwarze@openbsd.org>
1.1 schwarze 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: */
18: #include <assert.h>
19: #include <stdio.h>
20: #include <stdlib.h>
21: #include <string.h>
1.4 schwarze 22: #include <time.h>
1.1 schwarze 23:
1.4 schwarze 24: #include "mandoc.h"
25: #include "libmandoc.h"
26: #include "libroff.h"
1.1 schwarze 27:
1.4 schwarze 28: enum rofferr
29: tbl_read(struct tbl_node *tbl, int ln, const char *p, int offs)
1.1 schwarze 30: {
1.4 schwarze 31: int len;
32: const char *cp;
1.1 schwarze 33:
1.4 schwarze 34: cp = &p[offs];
35: len = (int)strlen(cp);
1.1 schwarze 36:
1.4 schwarze 37: /*
38: * If we're in the options section and we don't have a
39: * terminating semicolon, assume we've moved directly into the
40: * layout section. No need to report a warning: this is,
41: * apparently, standard behaviour.
42: */
1.1 schwarze 43:
1.4 schwarze 44: if (TBL_PART_OPTS == tbl->part && len)
45: if (';' != cp[len - 1])
46: tbl->part = TBL_PART_LAYOUT;
1.1 schwarze 47:
1.4 schwarze 48: /* Now process each logical section of the table. */
1.1 schwarze 49:
50: switch (tbl->part) {
51: case (TBL_PART_OPTS):
1.4 schwarze 52: return(tbl_option(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
1.1 schwarze 53: case (TBL_PART_LAYOUT):
1.4 schwarze 54: return(tbl_layout(tbl, ln, p) ? ROFF_IGN : ROFF_ERR);
55: case (TBL_PART_CDATA):
56: return(tbl_cdata(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1 schwarze 57: default:
58: break;
59: }
60:
61: /*
1.4 schwarze 62: * This only returns zero if the line is empty, so we ignore it
63: * and continue on.
1.1 schwarze 64: */
1.4 schwarze 65: return(tbl_data(tbl, ln, p) ? ROFF_TBL : ROFF_IGN);
1.1 schwarze 66: }
67:
1.4 schwarze 68: struct tbl_node *
1.6 schwarze 69: tbl_alloc(int pos, int line, struct mparse *parse)
1.1 schwarze 70: {
1.8 ! schwarze 71: struct tbl_node *tbl;
1.1 schwarze 72:
1.8 ! schwarze 73: tbl = mandoc_calloc(1, sizeof(struct tbl_node));
! 74: tbl->line = line;
! 75: tbl->pos = pos;
! 76: tbl->parse = parse;
! 77: tbl->part = TBL_PART_OPTS;
! 78: tbl->opts.tab = '\t';
! 79: tbl->opts.linesize = 12;
! 80: tbl->opts.decimal = '.';
! 81: return(tbl);
1.1 schwarze 82: }
83:
84: void
1.8 ! schwarze 85: tbl_free(struct tbl_node *tbl)
1.1 schwarze 86: {
1.4 schwarze 87: struct tbl_row *rp;
88: struct tbl_cell *cp;
89: struct tbl_span *sp;
90: struct tbl_dat *dp;
91: struct tbl_head *hp;
92:
1.8 ! schwarze 93: while (NULL != (rp = tbl->first_row)) {
! 94: tbl->first_row = rp->next;
1.4 schwarze 95: while (rp->first) {
96: cp = rp->first;
97: rp->first = cp->next;
98: free(cp);
99: }
100: free(rp);
1.1 schwarze 101: }
102:
1.8 ! schwarze 103: while (NULL != (sp = tbl->first_span)) {
! 104: tbl->first_span = sp->next;
1.4 schwarze 105: while (sp->first) {
106: dp = sp->first;
107: sp->first = dp->next;
108: if (dp->string)
109: free(dp->string);
110: free(dp);
111: }
112: free(sp);
1.1 schwarze 113: }
114:
1.8 ! schwarze 115: while (NULL != (hp = tbl->first_head)) {
! 116: tbl->first_head = hp->next;
1.4 schwarze 117: free(hp);
1.1 schwarze 118: }
119:
1.8 ! schwarze 120: free(tbl);
1.1 schwarze 121: }
122:
1.4 schwarze 123: void
124: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.1 schwarze 125: {
1.4 schwarze 126: if (TBL_PART_CDATA == tbl->part)
1.6 schwarze 127: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
128: tbl->line, tbl->pos, NULL);
1.1 schwarze 129:
1.4 schwarze 130: tbl->part = TBL_PART_LAYOUT;
131: tbl->line = line;
132: tbl->pos = pos;
1.1 schwarze 133:
1.4 schwarze 134: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.6 schwarze 135: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
136: tbl->line, tbl->pos, NULL);
1.1 schwarze 137: }
138:
1.4 schwarze 139: const struct tbl_span *
1.5 schwarze 140: tbl_span(struct tbl_node *tbl)
1.1 schwarze 141: {
1.5 schwarze 142: struct tbl_span *span;
1.1 schwarze 143:
1.4 schwarze 144: assert(tbl);
1.5 schwarze 145: span = tbl->current_span ? tbl->current_span->next
146: : tbl->first_span;
147: if (span)
148: tbl->current_span = span;
149: return(span);
1.1 schwarze 150: }
151:
1.4 schwarze 152: void
1.7 schwarze 153: tbl_end(struct tbl_node **tblp)
1.1 schwarze 154: {
1.7 schwarze 155: struct tbl_node *tbl;
156:
157: tbl = *tblp;
158: *tblp = NULL;
1.1 schwarze 159:
1.4 schwarze 160: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
1.6 schwarze 161: mandoc_msg(MANDOCERR_TBLNODATA, tbl->parse,
162: tbl->line, tbl->pos, NULL);
1.1 schwarze 163:
1.4 schwarze 164: if (tbl->last_span)
165: tbl->last_span->flags |= TBL_SPAN_LAST;
1.1 schwarze 166:
1.4 schwarze 167: if (TBL_PART_CDATA == tbl->part)
1.6 schwarze 168: mandoc_msg(MANDOCERR_TBLBLOCK, tbl->parse,
169: tbl->line, tbl->pos, NULL);
1.1 schwarze 170: }
171:
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