Annotation of mandoc/demandoc.c, Revision 1.22
1.22 ! schwarze 1: /* $Id: demandoc.c,v 1.21 2015/10/06 18:32:19 schwarze Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2011 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 "config.h"
1.11 schwarze 18:
19: #include <sys/types.h>
1.1 kristaps 20:
21: #include <assert.h>
1.4 kristaps 22: #include <ctype.h>
1.1 kristaps 23: #include <getopt.h>
24: #include <stdio.h>
25: #include <stdlib.h>
26: #include <string.h>
1.2 kristaps 27: #include <unistd.h>
1.1 kristaps 28:
1.16 schwarze 29: #include "roff.h"
1.1 kristaps 30: #include "man.h"
31: #include "mdoc.h"
32: #include "mandoc.h"
33:
1.4 kristaps 34: static void pline(int, int *, int *, int);
1.17 schwarze 35: static void pman(const struct roff_node *, int *, int *, int);
1.4 kristaps 36: static void pmandoc(struct mparse *, int, const char *, int);
1.17 schwarze 37: static void pmdoc(const struct roff_node *, int *, int *, int);
1.4 kristaps 38: static void pstring(const char *, int, int *, int);
1.1 kristaps 39: static void usage(void);
40:
41: static const char *progname;
42:
43: int
44: main(int argc, char *argv[])
45: {
46: struct mparse *mp;
1.13 schwarze 47: int ch, fd, i, list;
1.1 kristaps 48: extern int optind;
49:
1.14 schwarze 50: if (argc < 1)
51: progname = "demandoc";
52: else if ((progname = strrchr(argv[0], '/')) == NULL)
1.1 kristaps 53: progname = argv[0];
54: else
55: ++progname;
56:
57: mp = NULL;
1.4 kristaps 58: list = 0;
1.1 kristaps 59:
1.4 kristaps 60: while (-1 != (ch = getopt(argc, argv, "ikm:pw")))
1.1 kristaps 61: switch (ch) {
1.4 kristaps 62: case ('i'):
63: /* FALLTHROUGH */
64: case ('k'):
65: /* FALLTHROUGH */
66: case ('m'):
67: /* FALLTHROUGH */
68: case ('p'):
69: break;
70: case ('w'):
71: list = 1;
72: break;
1.1 kristaps 73: default:
74: usage();
1.21 schwarze 75: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 76: }
77:
78: argc -= optind;
79: argv += optind;
80:
1.22 ! schwarze 81: mchars_alloc();
! 82: mp = mparse_alloc(MPARSE_SO, MANDOCLEVEL_BADARG, NULL, NULL);
1.1 kristaps 83: assert(mp);
84:
1.14 schwarze 85: if (argc < 1)
1.4 kristaps 86: pmandoc(mp, STDIN_FILENO, "<stdin>", list);
1.1 kristaps 87:
88: for (i = 0; i < argc; i++) {
89: mparse_reset(mp);
1.13 schwarze 90: if (mparse_open(mp, &fd, argv[i]) != MANDOCLEVEL_OK) {
91: perror(argv[i]);
92: continue;
93: }
94: pmandoc(mp, fd, argv[i], list);
1.1 kristaps 95: }
96:
97: mparse_free(mp);
1.22 ! schwarze 98: mchars_free();
1.21 schwarze 99: return (int)MANDOCLEVEL_OK;
1.1 kristaps 100: }
101:
102: static void
103: usage(void)
104: {
105:
1.4 kristaps 106: fprintf(stderr, "usage: %s [-w] [files...]\n", progname);
1.1 kristaps 107: }
108:
109: static void
1.4 kristaps 110: pmandoc(struct mparse *mp, int fd, const char *fn, int list)
1.1 kristaps 111: {
1.18 schwarze 112: struct roff_man *man;
1.1 kristaps 113: int line, col;
114:
1.13 schwarze 115: mparse_readfd(mp, fd, fn);
1.19 schwarze 116: mparse_result(mp, &man, NULL);
1.1 kristaps 117: line = 1;
118: col = 0;
119:
1.19 schwarze 120: if (man == NULL)
121: return;
122: if (man->macroset == MACROSET_MDOC)
1.20 schwarze 123: pmdoc(man->first->child, &line, &col, list);
1.19 schwarze 124: else
1.20 schwarze 125: pman(man->first->child, &line, &col, list);
1.1 kristaps 126:
1.5 kristaps 127: if ( ! list)
128: putchar('\n');
1.1 kristaps 129: }
130:
131: /*
132: * Strip the escapes out of a string, emitting the results.
133: */
134: static void
1.4 kristaps 135: pstring(const char *p, int col, int *colp, int list)
1.1 kristaps 136: {
137: enum mandoc_esc esc;
1.6 kristaps 138: const char *start, *end;
1.5 kristaps 139: int emit;
140:
141: /*
142: * Print as many column spaces til we achieve parity with the
143: * input document.
144: */
145:
146: again:
147: if (list && '\0' != *p) {
148: while (isspace((unsigned char)*p))
149: p++;
150:
151: while ('\'' == *p || '(' == *p || '"' == *p)
152: p++;
153:
154: emit = isalpha((unsigned char)p[0]) &&
155: isalpha((unsigned char)p[1]);
156:
157: for (start = p; '\0' != *p; p++)
158: if ('\\' == *p) {
159: p++;
160: esc = mandoc_escape(&p, NULL, NULL);
161: if (ESCAPE_ERROR == esc)
162: return;
163: emit = 0;
164: } else if (isspace((unsigned char)*p))
165: break;
166:
1.6 kristaps 167: end = p - 1;
168:
169: while (end > start)
1.15 schwarze 170: if ('.' == *end || ',' == *end ||
1.6 kristaps 171: '\'' == *end || '"' == *end ||
172: ')' == *end || '!' == *end ||
173: '?' == *end || ':' == *end ||
174: ';' == *end)
175: end--;
176: else
177: break;
178:
179: if (emit && end - start >= 1) {
180: for ( ; start <= end; start++)
1.5 kristaps 181: if (ASCII_HYPH == *start)
182: putchar('-');
183: else
184: putchar((unsigned char)*start);
185: putchar('\n');
186: }
187:
188: if (isspace((unsigned char)*p))
189: goto again;
190:
191: return;
192: }
1.1 kristaps 193:
194: while (*colp < col) {
195: putchar(' ');
196: (*colp)++;
197: }
198:
1.5 kristaps 199: /*
200: * Print the input word, skipping any special characters.
201: */
1.15 schwarze 202: while ('\0' != *p)
1.1 kristaps 203: if ('\\' == *p) {
204: p++;
205: esc = mandoc_escape(&p, NULL, NULL);
206: if (ESCAPE_ERROR == esc)
1.4 kristaps 207: break;
1.1 kristaps 208: } else {
1.3 kristaps 209: putchar((unsigned char )*p++);
1.1 kristaps 210: (*colp)++;
211: }
212: }
213:
214: static void
1.4 kristaps 215: pline(int line, int *linep, int *col, int list)
1.1 kristaps 216: {
1.5 kristaps 217:
218: if (list)
219: return;
220:
221: /*
222: * Print out as many lines as needed to reach parity with the
1.15 schwarze 223: * original input.
1.5 kristaps 224: */
1.1 kristaps 225:
226: while (*linep < line) {
227: putchar('\n');
228: (*linep)++;
229: }
1.4 kristaps 230:
1.1 kristaps 231: *col = 0;
232: }
233:
234: static void
1.17 schwarze 235: pmdoc(const struct roff_node *p, int *line, int *col, int list)
1.1 kristaps 236: {
237:
238: for ( ; p; p = p->next) {
239: if (MDOC_LINE & p->flags)
1.4 kristaps 240: pline(p->line, line, col, list);
1.16 schwarze 241: if (ROFFT_TEXT == p->type)
1.4 kristaps 242: pstring(p->string, p->pos, col, list);
1.15 schwarze 243: if (p->child)
1.4 kristaps 244: pmdoc(p->child, line, col, list);
1.1 kristaps 245: }
246: }
247:
248: static void
1.17 schwarze 249: pman(const struct roff_node *p, int *line, int *col, int list)
1.1 kristaps 250: {
251:
252: for ( ; p; p = p->next) {
253: if (MAN_LINE & p->flags)
1.4 kristaps 254: pline(p->line, line, col, list);
1.16 schwarze 255: if (ROFFT_TEXT == p->type)
1.4 kristaps 256: pstring(p->string, p->pos, col, list);
1.15 schwarze 257: if (p->child)
1.4 kristaps 258: pman(p->child, line, col, list);
1.1 kristaps 259: }
260: }
CVSweb
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to demandoc.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [cvsweb.bsd.lv] / mandoc