Annotation of src/usr.bin/mandoc/tbl.c, Revision 1.4
1.4 ! schwarze 1: /* $Id: tbl.c,v 1.1 2010/12/28 10:51:03 kristaps Exp $ */
1.1 schwarze 2: /*
1.4 ! schwarze 3: * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 schwarze 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 <stdio.h>
19: #include <stdlib.h>
20: #include <string.h>
1.4 ! schwarze 21: #include <time.h>
1.1 schwarze 22:
1.4 ! schwarze 23: #include "mandoc.h"
! 24: #include "roff.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 *
! 69: tbl_alloc(int pos, int line, void *data, const mandocmsg msg)
1.1 schwarze 70: {
1.4 ! schwarze 71: struct tbl_node *p;
1.1 schwarze 72:
1.4 ! schwarze 73: p = mandoc_calloc(1, sizeof(struct tbl_node));
! 74: p->line = line;
! 75: p->pos = pos;
! 76: p->data = data;
! 77: p->msg = msg;
! 78: p->part = TBL_PART_OPTS;
! 79: p->opts.tab = '\t';
! 80: p->opts.linesize = 12;
! 81: p->opts.decimal = '.';
1.1 schwarze 82: return(p);
83: }
84:
85: void
1.4 ! schwarze 86: tbl_free(struct tbl_node *p)
1.1 schwarze 87: {
1.4 ! schwarze 88: struct tbl_row *rp;
! 89: struct tbl_cell *cp;
! 90: struct tbl_span *sp;
! 91: struct tbl_dat *dp;
! 92: struct tbl_head *hp;
! 93:
! 94: while (NULL != (rp = p->first_row)) {
! 95: p->first_row = rp->next;
! 96: while (rp->first) {
! 97: cp = rp->first;
! 98: rp->first = cp->next;
! 99: free(cp);
! 100: }
! 101: free(rp);
1.1 schwarze 102: }
103:
1.4 ! schwarze 104: while (NULL != (sp = p->first_span)) {
! 105: p->first_span = sp->next;
! 106: while (sp->first) {
! 107: dp = sp->first;
! 108: sp->first = dp->next;
! 109: if (dp->string)
! 110: free(dp->string);
! 111: free(dp);
! 112: }
! 113: free(sp);
1.1 schwarze 114: }
115:
1.4 ! schwarze 116: while (NULL != (hp = p->first_head)) {
! 117: p->first_head = hp->next;
! 118: free(hp);
1.1 schwarze 119: }
120:
1.4 ! schwarze 121: free(p);
1.1 schwarze 122: }
123:
1.4 ! schwarze 124: void
! 125: tbl_restart(int line, int pos, struct tbl_node *tbl)
1.1 schwarze 126: {
1.4 ! schwarze 127: if (TBL_PART_CDATA == tbl->part)
! 128: TBL_MSG(tbl, MANDOCERR_TBLBLOCK, tbl->line, tbl->pos);
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)
! 135: TBL_MSG(tbl, MANDOCERR_TBLNODATA, tbl->line, tbl->pos);
1.1 schwarze 136: }
137:
1.4 ! schwarze 138: const struct tbl_span *
! 139: tbl_span(const struct tbl_node *tbl)
1.1 schwarze 140: {
141:
1.4 ! schwarze 142: assert(tbl);
! 143: return(tbl->last_span);
1.1 schwarze 144: }
145:
1.4 ! schwarze 146: void
! 147: tbl_end(struct tbl_node *tbl)
1.1 schwarze 148: {
149:
1.4 ! schwarze 150: if (NULL == tbl->first_span || NULL == tbl->first_span->first)
! 151: TBL_MSG(tbl, MANDOCERR_TBLNODATA, tbl->line, tbl->pos);
1.1 schwarze 152:
1.4 ! schwarze 153: if (tbl->last_span)
! 154: tbl->last_span->flags |= TBL_SPAN_LAST;
1.1 schwarze 155:
1.4 ! schwarze 156: if (TBL_PART_CDATA == tbl->part)
! 157: TBL_MSG(tbl, MANDOCERR_TBLBLOCK, tbl->line, tbl->pos);
1.1 schwarze 158: }
159:
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