Annotation of mandoc/demandoc.c, Revision 1.34
1.34 ! schwarze 1: /* $Id: demandoc.c,v 1.33 2019/03/03 11:01:15 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 <stdio.h>
24: #include <stdlib.h>
25: #include <string.h>
1.2 kristaps 26: #include <unistd.h>
1.1 kristaps 27:
1.29 schwarze 28: #include "mandoc.h"
1.34 ! schwarze 29: #if DEBUG_MEMORY
! 30: #define DEBUG_NODEF
! 31: #include "mandoc_dbg.h"
! 32: #endif
1.16 schwarze 33: #include "roff.h"
1.1 kristaps 34: #include "man.h"
35: #include "mdoc.h"
1.30 schwarze 36: #include "mandoc_parse.h"
1.1 kristaps 37:
1.4 kristaps 38: static void pline(int, int *, int *, int);
1.17 schwarze 39: static void pman(const struct roff_node *, int *, int *, int);
1.4 kristaps 40: static void pmandoc(struct mparse *, int, const char *, int);
1.17 schwarze 41: static void pmdoc(const struct roff_node *, int *, int *, int);
1.4 kristaps 42: static void pstring(const char *, int, int *, int);
1.1 kristaps 43: static void usage(void);
44:
45: static const char *progname;
46:
47: int
48: main(int argc, char *argv[])
49: {
50: struct mparse *mp;
1.13 schwarze 51: int ch, fd, i, list;
1.1 kristaps 52: extern int optind;
53:
1.34 ! schwarze 54: #if DEBUG_MEMORY
! 55: mandoc_dbg_init(argc, argv);
! 56: #endif
! 57:
1.14 schwarze 58: if (argc < 1)
59: progname = "demandoc";
60: else if ((progname = strrchr(argv[0], '/')) == NULL)
1.1 kristaps 61: progname = argv[0];
62: else
63: ++progname;
64:
65: mp = NULL;
1.4 kristaps 66: list = 0;
1.1 kristaps 67:
1.4 kristaps 68: while (-1 != (ch = getopt(argc, argv, "ikm:pw")))
1.1 kristaps 69: switch (ch) {
1.4 kristaps 70: case ('i'):
71: /* FALLTHROUGH */
72: case ('k'):
73: /* FALLTHROUGH */
74: case ('m'):
75: /* FALLTHROUGH */
76: case ('p'):
77: break;
78: case ('w'):
79: list = 1;
80: break;
1.1 kristaps 81: default:
82: usage();
1.21 schwarze 83: return (int)MANDOCLEVEL_BADARG;
1.1 kristaps 84: }
85:
86: argc -= optind;
87: argv += optind;
88:
1.22 schwarze 89: mchars_alloc();
1.33 schwarze 90: mp = mparse_alloc(MPARSE_SO | MPARSE_UTF8 | MPARSE_LATIN1 |
91: MPARSE_VALIDATE, MANDOC_OS_OTHER, NULL);
1.1 kristaps 92: assert(mp);
93:
1.14 schwarze 94: if (argc < 1)
1.4 kristaps 95: pmandoc(mp, STDIN_FILENO, "<stdin>", list);
1.1 kristaps 96:
97: for (i = 0; i < argc; i++) {
98: mparse_reset(mp);
1.26 schwarze 99: if ((fd = mparse_open(mp, argv[i])) == -1) {
1.13 schwarze 100: perror(argv[i]);
101: continue;
102: }
103: pmandoc(mp, fd, argv[i], list);
1.1 kristaps 104: }
105:
106: mparse_free(mp);
1.22 schwarze 107: mchars_free();
1.34 ! schwarze 108: #if DEBUG_MEMORY
! 109: mandoc_dbg_finish();
! 110: #endif
1.21 schwarze 111: return (int)MANDOCLEVEL_OK;
1.1 kristaps 112: }
113:
114: static void
115: usage(void)
116: {
117:
1.4 kristaps 118: fprintf(stderr, "usage: %s [-w] [files...]\n", progname);
1.1 kristaps 119: }
120:
121: static void
1.4 kristaps 122: pmandoc(struct mparse *mp, int fd, const char *fn, int list)
1.1 kristaps 123: {
1.32 schwarze 124: struct roff_meta *meta;
1.1 kristaps 125: int line, col;
126:
1.13 schwarze 127: mparse_readfd(mp, fd, fn);
1.25 schwarze 128: close(fd);
1.32 schwarze 129: meta = mparse_result(mp);
1.1 kristaps 130: line = 1;
131: col = 0;
132:
1.32 schwarze 133: if (meta->macroset == MACROSET_MDOC)
134: pmdoc(meta->first->child, &line, &col, list);
135: else
136: pman(meta->first->child, &line, &col, list);
1.1 kristaps 137:
1.5 kristaps 138: if ( ! list)
139: putchar('\n');
1.1 kristaps 140: }
141:
142: /*
143: * Strip the escapes out of a string, emitting the results.
144: */
145: static void
1.4 kristaps 146: pstring(const char *p, int col, int *colp, int list)
1.1 kristaps 147: {
148: enum mandoc_esc esc;
1.6 kristaps 149: const char *start, *end;
1.5 kristaps 150: int emit;
151:
152: /*
153: * Print as many column spaces til we achieve parity with the
154: * input document.
155: */
156:
157: again:
158: if (list && '\0' != *p) {
159: while (isspace((unsigned char)*p))
160: p++;
161:
162: while ('\'' == *p || '(' == *p || '"' == *p)
163: p++;
164:
165: emit = isalpha((unsigned char)p[0]) &&
166: isalpha((unsigned char)p[1]);
167:
168: for (start = p; '\0' != *p; p++)
169: if ('\\' == *p) {
170: p++;
171: esc = mandoc_escape(&p, NULL, NULL);
172: if (ESCAPE_ERROR == esc)
173: return;
174: emit = 0;
175: } else if (isspace((unsigned char)*p))
176: break;
177:
1.6 kristaps 178: end = p - 1;
179:
180: while (end > start)
1.15 schwarze 181: if ('.' == *end || ',' == *end ||
1.6 kristaps 182: '\'' == *end || '"' == *end ||
183: ')' == *end || '!' == *end ||
184: '?' == *end || ':' == *end ||
185: ';' == *end)
186: end--;
187: else
188: break;
189:
190: if (emit && end - start >= 1) {
191: for ( ; start <= end; start++)
1.5 kristaps 192: if (ASCII_HYPH == *start)
193: putchar('-');
194: else
195: putchar((unsigned char)*start);
196: putchar('\n');
197: }
198:
199: if (isspace((unsigned char)*p))
200: goto again;
201:
202: return;
203: }
1.1 kristaps 204:
205: while (*colp < col) {
206: putchar(' ');
207: (*colp)++;
208: }
209:
1.5 kristaps 210: /*
211: * Print the input word, skipping any special characters.
212: */
1.15 schwarze 213: while ('\0' != *p)
1.1 kristaps 214: if ('\\' == *p) {
215: p++;
216: esc = mandoc_escape(&p, NULL, NULL);
217: if (ESCAPE_ERROR == esc)
1.4 kristaps 218: break;
1.1 kristaps 219: } else {
1.3 kristaps 220: putchar((unsigned char )*p++);
1.1 kristaps 221: (*colp)++;
222: }
223: }
224:
225: static void
1.4 kristaps 226: pline(int line, int *linep, int *col, int list)
1.1 kristaps 227: {
1.5 kristaps 228:
229: if (list)
230: return;
231:
232: /*
233: * Print out as many lines as needed to reach parity with the
1.15 schwarze 234: * original input.
1.5 kristaps 235: */
1.1 kristaps 236:
237: while (*linep < line) {
238: putchar('\n');
239: (*linep)++;
240: }
1.4 kristaps 241:
1.1 kristaps 242: *col = 0;
243: }
244:
245: static void
1.17 schwarze 246: pmdoc(const struct roff_node *p, int *line, int *col, int list)
1.1 kristaps 247: {
248:
249: for ( ; p; p = p->next) {
1.28 schwarze 250: if (NODE_LINE & p->flags)
1.4 kristaps 251: pline(p->line, line, col, list);
1.16 schwarze 252: if (ROFFT_TEXT == p->type)
1.4 kristaps 253: pstring(p->string, p->pos, col, list);
1.15 schwarze 254: if (p->child)
1.4 kristaps 255: pmdoc(p->child, line, col, list);
1.1 kristaps 256: }
257: }
258:
259: static void
1.17 schwarze 260: pman(const struct roff_node *p, int *line, int *col, int list)
1.1 kristaps 261: {
262:
263: for ( ; p; p = p->next) {
1.28 schwarze 264: if (NODE_LINE & p->flags)
1.4 kristaps 265: pline(p->line, line, col, list);
1.16 schwarze 266: if (ROFFT_TEXT == p->type)
1.4 kristaps 267: pstring(p->string, p->pos, col, list);
1.15 schwarze 268: if (p->child)
1.4 kristaps 269: pman(p->child, line, col, list);
1.1 kristaps 270: }
271: }
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