Annotation of mandoc/tbl_data.c, Revision 1.5
1.5 ! kristaps 1: /* $Id: tbl_data.c,v 1.4 2011/01/01 13:37:40 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
8: *
9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16: */
17: #include <assert.h>
18: #include <ctype.h>
19: #include <stdlib.h>
20: #include <string.h>
21:
22: #include "mandoc.h"
23: #include "libmandoc.h"
24: #include "libroff.h"
25:
26: static void data(struct tbl *, struct tbl_span *,
27: int, const char *, int *);
28:
29: void
30: data(struct tbl *tbl, struct tbl_span *dp,
31: int ln, const char *p, int *pos)
32: {
33: struct tbl_dat *dat;
1.3 kristaps 34: struct tbl_cell *cp;
1.1 kristaps 35: int sv;
36:
1.3 kristaps 37: cp = NULL;
38: if (dp->last && dp->last->layout)
39: cp = dp->last->layout->next;
40: else if (NULL == dp->last)
41: cp = dp->layout->first;
42:
43: /* Skip over spanners to data formats. */
44:
45: while (cp && (TBL_CELL_VERT == cp->pos ||
46: TBL_CELL_DVERT == cp->pos))
47: cp = cp->next;
48:
1.1 kristaps 49: /* FIXME: warn about losing data contents if cell is HORIZ. */
50:
51: dat = mandoc_calloc(1, sizeof(struct tbl_dat));
1.3 kristaps 52: dat->layout = cp;
1.1 kristaps 53:
54: if (dp->last) {
55: dp->last->next = dat;
56: dp->last = dat;
57: } else
58: dp->last = dp->first = dat;
59:
60: sv = *pos;
61: while (p[*pos] && p[*pos] != tbl->tab)
62: (*pos)++;
63:
64: dat->string = mandoc_malloc(*pos - sv + 1);
65: memcpy(dat->string, &p[sv], *pos - sv);
66: dat->string[*pos - sv] = '\0';
67:
68: if (p[*pos])
69: (*pos)++;
70:
71: if ( ! strcmp(dat->string, "_"))
1.5 ! kristaps 72: dat->pos = TBL_DATA_HORIZ;
1.1 kristaps 73: else if ( ! strcmp(dat->string, "="))
1.5 ! kristaps 74: dat->pos = TBL_DATA_DHORIZ;
1.1 kristaps 75: else if ( ! strcmp(dat->string, "\\_"))
1.5 ! kristaps 76: dat->pos = TBL_DATA_NHORIZ;
1.1 kristaps 77: else if ( ! strcmp(dat->string, "\\="))
1.5 ! kristaps 78: dat->pos = TBL_DATA_NDHORIZ;
! 79: else
! 80: dat->pos = TBL_DATA_DATA;
1.1 kristaps 81: }
82:
1.2 kristaps 83: int
1.1 kristaps 84: tbl_data(struct tbl *tbl, int ln, const char *p)
85: {
86: struct tbl_span *dp;
1.3 kristaps 87: struct tbl_row *rp;
1.1 kristaps 88: int pos;
89:
90: pos = 0;
91:
92: if ('\0' == p[pos]) {
93: TBL_MSG(tbl, MANDOCERR_TBL, ln, pos);
1.4 kristaps 94: return(0);
1.1 kristaps 95: }
96:
1.3 kristaps 97: /*
98: * Choose a layout row: take the one following the last parsed
99: * span's. If that doesn't exist, use the last parsed span's.
100: * If there's no last parsed span, use the first row. This can
101: * be NULL!
102: */
103:
104: if (tbl->last_span) {
105: assert(tbl->last_span->layout);
106: rp = tbl->last_span->layout->next;
107: if (NULL == rp)
108: rp = tbl->last_span->layout;
109: } else
110: rp = tbl->first_row;
111:
1.1 kristaps 112: dp = mandoc_calloc(1, sizeof(struct tbl_span));
1.3 kristaps 113: dp->layout = rp;
1.1 kristaps 114:
1.2 kristaps 115: if (tbl->last_span) {
116: tbl->last_span->next = dp;
117: tbl->last_span = dp;
118: } else
119: tbl->last_span = tbl->first_span = dp;
120:
1.1 kristaps 121: if ( ! strcmp(p, "_")) {
1.5 ! kristaps 122: dp->pos = TBL_SPAN_HORIZ;
1.2 kristaps 123: return(1);
1.1 kristaps 124: } else if ( ! strcmp(p, "=")) {
1.5 ! kristaps 125: dp->pos = TBL_SPAN_DHORIZ;
1.2 kristaps 126: return(1);
1.1 kristaps 127: }
1.5 ! kristaps 128:
! 129: dp->pos = TBL_SPAN_DATA;
1.1 kristaps 130:
131: while ('\0' != p[pos])
132: data(tbl, dp, ln, p, &pos);
133:
1.2 kristaps 134: return(1);
1.1 kristaps 135: }
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