Annotation of mandoc/tbl_opts.c, Revision 1.24
1.24 ! schwarze 1: /* $Id: tbl_opts.c,v 1.23 2018/12/13 02:06:07 schwarze Exp $ */
1.1 kristaps 2: /*
1.12 schwarze 3: * Copyright (c) 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.17 schwarze 4: * Copyright (c) 2015 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
1.11 kristaps 18: #include "config.h"
1.14 schwarze 19:
20: #include <sys/types.h>
1.11 kristaps 21:
1.3 kristaps 22: #include <ctype.h>
1.1 kristaps 23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <string.h>
26:
1.3 kristaps 27: #include "mandoc.h"
1.22 schwarze 28: #include "tbl.h"
1.10 kristaps 29: #include "libmandoc.h"
1.23 schwarze 30: #include "tbl_int.h"
1.1 kristaps 31:
1.18 schwarze 32: #define KEY_DPOINT 0
33: #define KEY_DELIM 1
34: #define KEY_LINESIZE 2
35: #define KEY_TAB 3
1.1 kristaps 36:
37: struct tbl_phrase {
38: const char *name;
39: int key;
40: };
41:
1.18 schwarze 42: static const struct tbl_phrase keys[] = {
43: {"decimalpoint", 0},
44: {"delim", 0},
45: {"linesize", 0},
46: {"tab", 0},
47: {"allbox", TBL_OPT_ALLBOX | TBL_OPT_BOX},
48: {"box", TBL_OPT_BOX},
49: {"frame", TBL_OPT_BOX},
50: {"center", TBL_OPT_CENTRE},
51: {"centre", TBL_OPT_CENTRE},
52: {"doublebox", TBL_OPT_DBOX},
53: {"doubleframe", TBL_OPT_DBOX},
54: {"expand", TBL_OPT_EXPAND},
55: {"nokeep", TBL_OPT_NOKEEP},
56: {"nospaces", TBL_OPT_NOSPACE},
57: {"nowarn", TBL_OPT_NOWARN},
58: };
1.1 kristaps 59:
1.18 schwarze 60: #define KEY_MAXKEYS ((int)(sizeof(keys)/sizeof(keys[0])))
1.1 kristaps 61:
1.18 schwarze 62: static void arg(struct tbl_node *, int, const char *, int *, int);
1.1 kristaps 63:
1.13 schwarze 64:
1.17 schwarze 65: static void
1.18 schwarze 66: arg(struct tbl_node *tbl, int ln, const char *p, int *pos, int key)
1.1 kristaps 67: {
1.17 schwarze 68: int len, want;
1.1 kristaps 69:
1.18 schwarze 70: while (p[*pos] == ' ' || p[*pos] == '\t')
1.3 kristaps 71: (*pos)++;
1.1 kristaps 72:
1.17 schwarze 73: /* Arguments are enclosed in parentheses. */
1.3 kristaps 74:
1.17 schwarze 75: len = 0;
76: if (p[*pos] == '(') {
77: (*pos)++;
78: while (p[*pos + len] != ')')
79: len++;
1.1 kristaps 80: }
81:
82: switch (key) {
1.13 schwarze 83: case KEY_DELIM:
1.24 ! schwarze 84: mandoc_msg(MANDOCERR_TBLOPT_EQN,
1.20 schwarze 85: ln, *pos, "%.*s", len, p + *pos);
1.17 schwarze 86: want = 2;
1.1 kristaps 87: break;
1.13 schwarze 88: case KEY_TAB:
1.17 schwarze 89: want = 1;
90: if (len == want)
91: tbl->opts.tab = p[*pos];
92: break;
1.13 schwarze 93: case KEY_LINESIZE:
1.17 schwarze 94: want = 0;
95: break;
1.13 schwarze 96: case KEY_DPOINT:
1.17 schwarze 97: want = 1;
98: if (len == want)
99: tbl->opts.decimal = p[*pos];
100: break;
1.1 kristaps 101: default:
102: abort();
103: }
104:
1.17 schwarze 105: if (len == 0)
1.24 ! schwarze 106: mandoc_msg(MANDOCERR_TBLOPT_NOARG, ln, *pos,
! 107: "%s", keys[key].name);
1.17 schwarze 108: else if (want && len != want)
1.24 ! schwarze 109: mandoc_msg(MANDOCERR_TBLOPT_ARGSZ, ln, *pos,
! 110: "%s want %d have %d", keys[key].name, want, len);
1.1 kristaps 111:
1.17 schwarze 112: *pos += len;
113: if (p[*pos] == ')')
114: (*pos)++;
1.1 kristaps 115: }
116:
1.17 schwarze 117: /*
118: * Parse one line of options up to the semicolon.
119: * Each option can be preceded by blanks and/or commas,
120: * and some options are followed by arguments.
121: */
122: void
1.19 schwarze 123: tbl_option(struct tbl_node *tbl, int ln, const char *p, int *offs)
1.1 kristaps 124: {
1.17 schwarze 125: int i, pos, len;
1.1 kristaps 126:
1.19 schwarze 127: pos = *offs;
1.17 schwarze 128: for (;;) {
1.18 schwarze 129: while (p[pos] == ' ' || p[pos] == '\t' || p[pos] == ',')
1.17 schwarze 130: pos++;
1.1 kristaps 131:
1.19 schwarze 132: if (p[pos] == ';') {
133: *offs = pos + 1;
1.17 schwarze 134: return;
1.19 schwarze 135: }
1.3 kristaps 136:
1.17 schwarze 137: /* Parse one option name. */
1.3 kristaps 138:
1.17 schwarze 139: len = 0;
140: while (isalpha((unsigned char)p[pos + len]))
141: len++;
142:
143: if (len == 0) {
1.24 ! schwarze 144: mandoc_msg(MANDOCERR_TBLOPT_ALPHA,
! 145: ln, pos, "%c", p[pos]);
1.17 schwarze 146: pos++;
147: continue;
148: }
1.3 kristaps 149:
1.17 schwarze 150: /* Look up the option name. */
1.3 kristaps 151:
1.17 schwarze 152: i = 0;
153: while (i < KEY_MAXKEYS &&
154: (strncasecmp(p + pos, keys[i].name, len) ||
155: keys[i].name[len] != '\0'))
156: i++;
157:
158: if (i == KEY_MAXKEYS) {
1.24 ! schwarze 159: mandoc_msg(MANDOCERR_TBLOPT_BAD,
1.17 schwarze 160: ln, pos, "%.*s", len, p + pos);
161: pos += len;
1.1 kristaps 162: continue;
1.17 schwarze 163: }
1.3 kristaps 164:
1.17 schwarze 165: /* Handle the option. */
1.3 kristaps 166:
1.17 schwarze 167: pos += len;
1.13 schwarze 168: if (keys[i].key)
1.5 kristaps 169: tbl->opts.opts |= keys[i].key;
1.17 schwarze 170: else
1.18 schwarze 171: arg(tbl, ln, p, &pos, i);
1.1 kristaps 172: }
173: }
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