Annotation of mandoc/demandoc.c, Revision 1.32
1.32 ! schwarze 1: /* $Id: demandoc.c,v 1.31 2018/12/14 01:18:25 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"
1.16 schwarze 29: #include "roff.h"
1.1 kristaps 30: #include "man.h"
31: #include "mdoc.h"
1.30 schwarze 32: #include "mandoc_parse.h"
1.1 kristaps 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();
1.32 ! schwarze 82: mp = mparse_alloc(MPARSE_SO | MPARSE_VALIDATE, MANDOC_OS_OTHER, 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);
1.26 schwarze 90: if ((fd = mparse_open(mp, argv[i])) == -1) {
1.13 schwarze 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: {
1.32 ! schwarze 112: struct roff_meta *meta;
1.1 kristaps 113: int line, col;
114:
1.13 schwarze 115: mparse_readfd(mp, fd, fn);
1.25 schwarze 116: close(fd);
1.32 ! schwarze 117: meta = mparse_result(mp);
1.1 kristaps 118: line = 1;
119: col = 0;
120:
1.32 ! schwarze 121: if (meta->macroset == MACROSET_MDOC)
! 122: pmdoc(meta->first->child, &line, &col, list);
! 123: else
! 124: pman(meta->first->child, &line, &col, list);
1.1 kristaps 125:
1.5 kristaps 126: if ( ! list)
127: putchar('\n');
1.1 kristaps 128: }
129:
130: /*
131: * Strip the escapes out of a string, emitting the results.
132: */
133: static void
1.4 kristaps 134: pstring(const char *p, int col, int *colp, int list)
1.1 kristaps 135: {
136: enum mandoc_esc esc;
1.6 kristaps 137: const char *start, *end;
1.5 kristaps 138: int emit;
139:
140: /*
141: * Print as many column spaces til we achieve parity with the
142: * input document.
143: */
144:
145: again:
146: if (list && '\0' != *p) {
147: while (isspace((unsigned char)*p))
148: p++;
149:
150: while ('\'' == *p || '(' == *p || '"' == *p)
151: p++;
152:
153: emit = isalpha((unsigned char)p[0]) &&
154: isalpha((unsigned char)p[1]);
155:
156: for (start = p; '\0' != *p; p++)
157: if ('\\' == *p) {
158: p++;
159: esc = mandoc_escape(&p, NULL, NULL);
160: if (ESCAPE_ERROR == esc)
161: return;
162: emit = 0;
163: } else if (isspace((unsigned char)*p))
164: break;
165:
1.6 kristaps 166: end = p - 1;
167:
168: while (end > start)
1.15 schwarze 169: if ('.' == *end || ',' == *end ||
1.6 kristaps 170: '\'' == *end || '"' == *end ||
171: ')' == *end || '!' == *end ||
172: '?' == *end || ':' == *end ||
173: ';' == *end)
174: end--;
175: else
176: break;
177:
178: if (emit && end - start >= 1) {
179: for ( ; start <= end; start++)
1.5 kristaps 180: if (ASCII_HYPH == *start)
181: putchar('-');
182: else
183: putchar((unsigned char)*start);
184: putchar('\n');
185: }
186:
187: if (isspace((unsigned char)*p))
188: goto again;
189:
190: return;
191: }
1.1 kristaps 192:
193: while (*colp < col) {
194: putchar(' ');
195: (*colp)++;
196: }
197:
1.5 kristaps 198: /*
199: * Print the input word, skipping any special characters.
200: */
1.15 schwarze 201: while ('\0' != *p)
1.1 kristaps 202: if ('\\' == *p) {
203: p++;
204: esc = mandoc_escape(&p, NULL, NULL);
205: if (ESCAPE_ERROR == esc)
1.4 kristaps 206: break;
1.1 kristaps 207: } else {
1.3 kristaps 208: putchar((unsigned char )*p++);
1.1 kristaps 209: (*colp)++;
210: }
211: }
212:
213: static void
1.4 kristaps 214: pline(int line, int *linep, int *col, int list)
1.1 kristaps 215: {
1.5 kristaps 216:
217: if (list)
218: return;
219:
220: /*
221: * Print out as many lines as needed to reach parity with the
1.15 schwarze 222: * original input.
1.5 kristaps 223: */
1.1 kristaps 224:
225: while (*linep < line) {
226: putchar('\n');
227: (*linep)++;
228: }
1.4 kristaps 229:
1.1 kristaps 230: *col = 0;
231: }
232:
233: static void
1.17 schwarze 234: pmdoc(const struct roff_node *p, int *line, int *col, int list)
1.1 kristaps 235: {
236:
237: for ( ; p; p = p->next) {
1.28 schwarze 238: if (NODE_LINE & p->flags)
1.4 kristaps 239: pline(p->line, line, col, list);
1.16 schwarze 240: if (ROFFT_TEXT == p->type)
1.4 kristaps 241: pstring(p->string, p->pos, col, list);
1.15 schwarze 242: if (p->child)
1.4 kristaps 243: pmdoc(p->child, line, col, list);
1.1 kristaps 244: }
245: }
246:
247: static void
1.17 schwarze 248: pman(const struct roff_node *p, int *line, int *col, int list)
1.1 kristaps 249: {
250:
251: for ( ; p; p = p->next) {
1.28 schwarze 252: if (NODE_LINE & p->flags)
1.4 kristaps 253: pline(p->line, line, col, list);
1.16 schwarze 254: if (ROFFT_TEXT == p->type)
1.4 kristaps 255: pstring(p->string, p->pos, col, list);
1.15 schwarze 256: if (p->child)
1.4 kristaps 257: pman(p->child, line, col, list);
1.1 kristaps 258: }
259: }
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