Annotation of mandoc/tbl_data.c, Revision 1.18
1.18 ! kristaps 1: /* $Id: tbl_data.c,v 1.17 2011/01/10 14:56:06 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;
1.16 kristaps 40: int sv, spans;
1.1 kristaps 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:
1.12 kristaps 48: /*
49: * Skip over spanners and vertical lines to data formats, since
50: * we want to match data with data layout cells in the header.
51: */
1.3 kristaps 52:
53: while (cp && (TBL_CELL_VERT == cp->pos ||
1.12 kristaps 54: TBL_CELL_DVERT == cp->pos ||
55: TBL_CELL_SPAN == cp->pos))
1.3 kristaps 56: cp = cp->next;
57:
1.16 kristaps 58: /*
59: * Stop processing when we reach the end of the available layout
60: * cells. This means that we have extra input.
61: */
62:
63: if (NULL == cp) {
64: TBL_MSG(tbl, MANDOCERR_TBLEXTRADAT, ln, *pos);
65: /* Skip to the end... */
66: while (p[*pos])
67: (*pos)++;
68: return(1);
69: }
70:
1.1 kristaps 71: dat = mandoc_calloc(1, sizeof(struct tbl_dat));
1.3 kristaps 72: dat->layout = cp;
1.11 kristaps 73: dat->pos = TBL_DATA_NONE;
1.7 kristaps 74:
1.16 kristaps 75: assert(TBL_CELL_SPAN != cp->pos);
76:
77: for (spans = 0, cp = cp->next; cp; cp = cp->next)
78: if (TBL_CELL_SPAN == cp->pos)
79: spans++;
80: else
81: break;
82:
83: dat->spans = spans;
1.1 kristaps 84:
85: if (dp->last) {
86: dp->last->next = dat;
87: dp->last = dat;
88: } else
89: dp->last = dp->first = dat;
90:
91: sv = *pos;
1.8 kristaps 92: while (p[*pos] && p[*pos] != tbl->opts.tab)
1.1 kristaps 93: (*pos)++;
94:
1.11 kristaps 95: /*
96: * Check for a continued-data scope opening. This consists of a
97: * trailing `T{' at the end of the line. Subsequent lines,
98: * until a standalone `T}', are included in our cell.
99: */
100:
101: if (*pos - sv == 2 && 'T' == p[sv] && '{' == p[sv + 1]) {
102: tbl->part = TBL_PART_CDATA;
103: return(0);
104: }
105:
1.1 kristaps 106: dat->string = mandoc_malloc(*pos - sv + 1);
107: memcpy(dat->string, &p[sv], *pos - sv);
108: dat->string[*pos - sv] = '\0';
109:
110: if (p[*pos])
111: (*pos)++;
112:
113: if ( ! strcmp(dat->string, "_"))
1.5 kristaps 114: dat->pos = TBL_DATA_HORIZ;
1.1 kristaps 115: else if ( ! strcmp(dat->string, "="))
1.5 kristaps 116: dat->pos = TBL_DATA_DHORIZ;
1.1 kristaps 117: else if ( ! strcmp(dat->string, "\\_"))
1.5 kristaps 118: dat->pos = TBL_DATA_NHORIZ;
1.1 kristaps 119: else if ( ! strcmp(dat->string, "\\="))
1.5 kristaps 120: dat->pos = TBL_DATA_NDHORIZ;
121: else
122: dat->pos = TBL_DATA_DATA;
1.11 kristaps 123:
1.10 kristaps 124: if (TBL_CELL_HORIZ == dat->layout->pos ||
125: TBL_CELL_DHORIZ == dat->layout->pos)
126: if (TBL_DATA_DATA == dat->pos && '\0' != *dat->string)
127: TBL_MSG(tbl, MANDOCERR_TBLIGNDATA, ln, sv);
1.11 kristaps 128:
129: return(1);
130: }
131:
1.13 kristaps 132: /* ARGSUSED */
1.11 kristaps 133: int
134: tbl_cdata(struct tbl_node *tbl, int ln, const char *p)
135: {
136: struct tbl_dat *dat;
137: size_t sz;
1.14 kristaps 138: int pos;
1.11 kristaps 139:
1.14 kristaps 140: pos = 0;
1.11 kristaps 141:
142: dat = tbl->last_span->last;
1.14 kristaps 143:
144: if (p[pos] == 'T' && p[pos + 1] == '}') {
145: pos += 2;
146: if (p[pos] == tbl->opts.tab) {
147: tbl->part = TBL_PART_DATA;
148: pos++;
149: return(data(tbl, tbl->last_span, ln, p, &pos));
150: } else if ('\0' == p[pos]) {
151: tbl->part = TBL_PART_DATA;
152: return(1);
153: }
154:
155: /* Fallthrough: T} is part of a word. */
156: }
1.17 kristaps 157:
158: dat->pos = TBL_DATA_DATA;
1.11 kristaps 159:
160: if (dat->string) {
161: sz = strlen(p) + strlen(dat->string) + 2;
162: dat->string = mandoc_realloc(dat->string, sz);
163: strlcat(dat->string, " ", sz);
164: strlcat(dat->string, p, sz);
165: } else
166: dat->string = mandoc_strdup(p);
167:
168: return(0);
1.1 kristaps 169: }
170:
1.2 kristaps 171: int
1.8 kristaps 172: tbl_data(struct tbl_node *tbl, int ln, const char *p)
1.1 kristaps 173: {
174: struct tbl_span *dp;
1.3 kristaps 175: struct tbl_row *rp;
1.1 kristaps 176: int pos;
177:
178: pos = 0;
179:
180: if ('\0' == p[pos]) {
181: TBL_MSG(tbl, MANDOCERR_TBL, ln, pos);
1.4 kristaps 182: return(0);
1.1 kristaps 183: }
184:
1.3 kristaps 185: /*
186: * Choose a layout row: take the one following the last parsed
187: * span's. If that doesn't exist, use the last parsed span's.
1.15 kristaps 188: * If there's no last parsed span, use the first row. Lastly,
189: * if the last span was a horizontal line, use the same layout
190: * (it doesn't "consume" the layout).
1.3 kristaps 191: */
192:
193: if (tbl->last_span) {
194: assert(tbl->last_span->layout);
1.15 kristaps 195: if (tbl->last_span->pos == TBL_SPAN_DATA)
196: rp = tbl->last_span->layout->next;
197: else
198: rp = tbl->last_span->layout;
1.18 ! kristaps 199:
1.3 kristaps 200: if (NULL == rp)
201: rp = tbl->last_span->layout;
202: } else
203: rp = tbl->first_row;
1.18 ! kristaps 204:
! 205: assert(rp);
1.3 kristaps 206:
1.1 kristaps 207: dp = mandoc_calloc(1, sizeof(struct tbl_span));
1.9 kristaps 208: dp->tbl = &tbl->opts;
1.3 kristaps 209: dp->layout = rp;
1.9 kristaps 210: dp->head = tbl->first_head;
1.1 kristaps 211:
1.2 kristaps 212: if (tbl->last_span) {
213: tbl->last_span->next = dp;
214: tbl->last_span = dp;
1.9 kristaps 215: } else {
1.2 kristaps 216: tbl->last_span = tbl->first_span = dp;
1.9 kristaps 217: dp->flags |= TBL_SPAN_FIRST;
218: }
1.2 kristaps 219:
1.1 kristaps 220: if ( ! strcmp(p, "_")) {
1.5 kristaps 221: dp->pos = TBL_SPAN_HORIZ;
1.2 kristaps 222: return(1);
1.1 kristaps 223: } else if ( ! strcmp(p, "=")) {
1.5 kristaps 224: dp->pos = TBL_SPAN_DHORIZ;
1.2 kristaps 225: return(1);
1.1 kristaps 226: }
1.5 kristaps 227:
228: dp->pos = TBL_SPAN_DATA;
1.1 kristaps 229:
1.11 kristaps 230: /* This returns 0 when TBL_PART_CDATA is entered. */
231:
1.1 kristaps 232: while ('\0' != p[pos])
1.11 kristaps 233: if ( ! data(tbl, dp, ln, p, &pos))
234: return(0);
1.1 kristaps 235:
1.2 kristaps 236: return(1);
1.1 kristaps 237: }
CVSweb
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to tbl_data.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [cvsweb.bsd.lv] / mandoc