Annotation of mandoc/tbl_data.c, Revision 1.11
1.11 ! kristaps 1: /* $Id: tbl_data.c,v 1.10 2011/01/04 12:06:21 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: */
1.11 ! kristaps 17: #ifdef HAVE_CONFIG_H
! 18: #include "config.h"
! 19: #endif
! 20:
1.1 kristaps 21: #include <assert.h>
22: #include <ctype.h>
23: #include <stdlib.h>
24: #include <string.h>
1.6 kristaps 25: #include <time.h>
1.1 kristaps 26:
27: #include "mandoc.h"
28: #include "libmandoc.h"
29: #include "libroff.h"
30:
1.11 ! kristaps 31: static int data(struct tbl_node *, struct tbl_span *,
1.1 kristaps 32: int, const char *, int *);
33:
1.11 ! kristaps 34: static int
1.8 kristaps 35: data(struct tbl_node *tbl, struct tbl_span *dp,
1.1 kristaps 36: int ln, const char *p, int *pos)
37: {
38: struct tbl_dat *dat;
1.3 kristaps 39: struct tbl_cell *cp;
1.1 kristaps 40: int sv;
41:
1.3 kristaps 42: cp = NULL;
43: if (dp->last && dp->last->layout)
44: cp = dp->last->layout->next;
45: else if (NULL == dp->last)
46: cp = dp->layout->first;
47:
48: /* Skip over spanners to data formats. */
49:
50: while (cp && (TBL_CELL_VERT == cp->pos ||
51: TBL_CELL_DVERT == cp->pos))
52: cp = cp->next;
53:
1.1 kristaps 54: dat = mandoc_calloc(1, sizeof(struct tbl_dat));
1.3 kristaps 55: dat->layout = cp;
1.11 ! kristaps 56: dat->pos = TBL_DATA_NONE;
1.7 kristaps 57:
58: if (NULL == dat->layout)
59: TBL_MSG(tbl, MANDOCERR_TBLEXTRADAT, ln, *pos);
1.1 kristaps 60:
61: if (dp->last) {
62: dp->last->next = dat;
63: dp->last = dat;
64: } else
65: dp->last = dp->first = dat;
66:
67: sv = *pos;
1.8 kristaps 68: while (p[*pos] && p[*pos] != tbl->opts.tab)
1.1 kristaps 69: (*pos)++;
70:
1.11 ! kristaps 71: /*
! 72: * Check for a continued-data scope opening. This consists of a
! 73: * trailing `T{' at the end of the line. Subsequent lines,
! 74: * until a standalone `T}', are included in our cell.
! 75: */
! 76:
! 77: if (*pos - sv == 2 && 'T' == p[sv] && '{' == p[sv + 1]) {
! 78: tbl->part = TBL_PART_CDATA;
! 79: return(0);
! 80: }
! 81:
1.1 kristaps 82: dat->string = mandoc_malloc(*pos - sv + 1);
83: memcpy(dat->string, &p[sv], *pos - sv);
84: dat->string[*pos - sv] = '\0';
85:
86: if (p[*pos])
87: (*pos)++;
88:
89: if ( ! strcmp(dat->string, "_"))
1.5 kristaps 90: dat->pos = TBL_DATA_HORIZ;
1.1 kristaps 91: else if ( ! strcmp(dat->string, "="))
1.5 kristaps 92: dat->pos = TBL_DATA_DHORIZ;
1.1 kristaps 93: else if ( ! strcmp(dat->string, "\\_"))
1.5 kristaps 94: dat->pos = TBL_DATA_NHORIZ;
1.1 kristaps 95: else if ( ! strcmp(dat->string, "\\="))
1.5 kristaps 96: dat->pos = TBL_DATA_NDHORIZ;
97: else
98: dat->pos = TBL_DATA_DATA;
1.10 kristaps 99:
1.11 ! kristaps 100: if (NULL == dat->layout)
! 101: return(1);
! 102:
1.10 kristaps 103: if (TBL_CELL_HORIZ == dat->layout->pos ||
104: TBL_CELL_DHORIZ == dat->layout->pos)
105: if (TBL_DATA_DATA == dat->pos && '\0' != *dat->string)
106: TBL_MSG(tbl, MANDOCERR_TBLIGNDATA, ln, sv);
1.11 ! kristaps 107:
! 108: return(1);
! 109: }
! 110:
! 111: int
! 112: tbl_cdata(struct tbl_node *tbl, int ln, const char *p)
! 113: {
! 114: struct tbl_dat *dat;
! 115: size_t sz;
! 116:
! 117: if (0 == strcmp(p, "T}")) {
! 118: tbl->part = TBL_PART_DATA;
! 119: return(1);
! 120: }
! 121:
! 122: dat = tbl->last_span->last;
! 123: dat->pos = TBL_DATA_DATA;
! 124:
! 125: if (dat->string) {
! 126: sz = strlen(p) + strlen(dat->string) + 2;
! 127: dat->string = mandoc_realloc(dat->string, sz);
! 128: strlcat(dat->string, " ", sz);
! 129: strlcat(dat->string, p, sz);
! 130: } else
! 131: dat->string = mandoc_strdup(p);
! 132:
! 133: return(0);
1.1 kristaps 134: }
135:
1.2 kristaps 136: int
1.8 kristaps 137: tbl_data(struct tbl_node *tbl, int ln, const char *p)
1.1 kristaps 138: {
139: struct tbl_span *dp;
1.3 kristaps 140: struct tbl_row *rp;
1.1 kristaps 141: int pos;
142:
143: pos = 0;
144:
145: if ('\0' == p[pos]) {
146: TBL_MSG(tbl, MANDOCERR_TBL, ln, pos);
1.4 kristaps 147: return(0);
1.1 kristaps 148: }
149:
1.3 kristaps 150: /*
151: * Choose a layout row: take the one following the last parsed
152: * span's. If that doesn't exist, use the last parsed span's.
153: * If there's no last parsed span, use the first row. This can
154: * be NULL!
155: */
156:
157: if (tbl->last_span) {
158: assert(tbl->last_span->layout);
159: rp = tbl->last_span->layout->next;
160: if (NULL == rp)
161: rp = tbl->last_span->layout;
162: } else
163: rp = tbl->first_row;
164:
1.1 kristaps 165: dp = mandoc_calloc(1, sizeof(struct tbl_span));
1.9 kristaps 166: dp->tbl = &tbl->opts;
1.3 kristaps 167: dp->layout = rp;
1.9 kristaps 168: dp->head = tbl->first_head;
1.1 kristaps 169:
1.2 kristaps 170: if (tbl->last_span) {
171: tbl->last_span->next = dp;
172: tbl->last_span = dp;
1.9 kristaps 173: } else {
1.2 kristaps 174: tbl->last_span = tbl->first_span = dp;
1.9 kristaps 175: dp->flags |= TBL_SPAN_FIRST;
176: }
1.2 kristaps 177:
1.1 kristaps 178: if ( ! strcmp(p, "_")) {
1.5 kristaps 179: dp->pos = TBL_SPAN_HORIZ;
1.2 kristaps 180: return(1);
1.1 kristaps 181: } else if ( ! strcmp(p, "=")) {
1.5 kristaps 182: dp->pos = TBL_SPAN_DHORIZ;
1.2 kristaps 183: return(1);
1.1 kristaps 184: }
1.5 kristaps 185:
186: dp->pos = TBL_SPAN_DATA;
1.1 kristaps 187:
1.11 ! kristaps 188: /* This returns 0 when TBL_PART_CDATA is entered. */
! 189:
1.1 kristaps 190: while ('\0' != p[pos])
1.11 ! kristaps 191: if ( ! data(tbl, dp, ln, p, &pos))
! 192: return(0);
1.1 kristaps 193:
1.2 kristaps 194: return(1);
1.1 kristaps 195: }
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