Annotation of mandoc/tbl_data.c, Revision 1.3
1.3 ! kristaps 1: /* $Id: tbl_data.c,v 1.2 2010/12/30 09:34:07 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: /* XXX: do the strcmps, then malloc(). */
72:
73: if ( ! strcmp(dat->string, "_"))
74: dat->flags |= TBL_DATA_HORIZ;
75: else if ( ! strcmp(dat->string, "="))
76: dat->flags |= TBL_DATA_DHORIZ;
77: else if ( ! strcmp(dat->string, "\\_"))
78: dat->flags |= TBL_DATA_NHORIZ;
79: else if ( ! strcmp(dat->string, "\\="))
80: dat->flags |= TBL_DATA_NDHORIZ;
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);
1.2 kristaps 94: return(1);
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, "_")) {
122: dp->flags |= TBL_SPAN_HORIZ;
1.2 kristaps 123: return(1);
1.1 kristaps 124: } else if ( ! strcmp(p, "=")) {
125: dp->flags |= TBL_SPAN_DHORIZ;
1.2 kristaps 126: return(1);
1.1 kristaps 127: }
128:
129: while ('\0' != p[pos])
130: data(tbl, dp, ln, p, &pos);
131:
1.2 kristaps 132: return(1);
1.1 kristaps 133: }
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