Annotation of mandoc/mdocml.c, Revision 1.7
1.7 ! kristaps 1: /* $Id: mdocml.c,v 1.6 2008/11/23 11:05:25 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
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
7: * above copyright notice and this permission notice appear in all
8: * copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11: * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12: * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13: * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14: * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15: * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16: * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17: * PERFORMANCE OF THIS SOFTWARE.
18: */
19: #include <sys/param.h>
20: #include <sys/stat.h>
21:
22: #include <assert.h>
23: #include <err.h>
24: #include <fcntl.h>
25: #include <getopt.h>
26: #include <stdio.h>
27: #include <stdlib.h>
28: #include <string.h>
29: #include <unistd.h>
30:
31: #include "libmdocml.h"
32:
1.3 kristaps 33: #define BUFFER_IN_DEF BUFSIZ
34: #define BUFFER_OUT_DEF BUFSIZ
1.2 kristaps 35:
1.1 kristaps 36: static void usage(void);
1.5 kristaps 37: static int begin_io(const struct md_args *,
38: char *, char *);
39: static int leave_io(const struct md_buf *,
40: const struct md_buf *, int);
41: static int begin_bufs(const struct md_args *,
42: struct md_buf *, struct md_buf *);
43: static int leave_bufs(const struct md_buf *,
44: const struct md_buf *, int);
1.1 kristaps 45:
46: int
47: main(int argc, char *argv[])
48: {
49: int c;
50: char *out, *in;
1.5 kristaps 51: struct md_args args;
1.1 kristaps 52:
53: extern char *optarg;
54: extern int optind;
55:
1.4 kristaps 56: out = in = NULL;
1.1 kristaps 57:
58: while (-1 != (c = getopt(argc, argv, "o:")))
59: switch (c) {
60: case ('o'):
61: out = optarg;
62: break;
63: default:
64: usage();
65: return(1);
66: }
67:
68: argv += optind;
1.4 kristaps 69: argc -= optind;
1.1 kristaps 70:
1.4 kristaps 71: if (1 == argc)
72: in = *argv++;
1.1 kristaps 73:
1.6 kristaps 74: args.type = MD_HTML4_STRICT;
1.7 ! kristaps 75: args.dbg = MD_DBG_TREE;
1.5 kristaps 76:
77: return(begin_io(&args, out ? out : "-", in ? in : "-"));
1.1 kristaps 78: }
79:
80:
81: static int
1.5 kristaps 82: leave_io(const struct md_buf *out,
83: const struct md_buf *in, int c)
1.1 kristaps 84: {
1.4 kristaps 85: assert(out);
1.1 kristaps 86: assert(in);
87:
1.4 kristaps 88: if (-1 != in->fd && -1 == close(in->fd)) {
89: assert(in->name);
90: warn("%s", in->name);
91: c = 1;
92: }
93: if (-1 != out->fd && STDOUT_FILENO != out->fd &&
94: -1 == close(out->fd)) {
95: assert(out->name);
96: warn("%s", out->name);
97: c = 1;
98: }
1.1 kristaps 99:
1.4 kristaps 100: return(c);
1.1 kristaps 101: }
102:
103:
104: static int
1.5 kristaps 105: begin_io(const struct md_args *args, char *out, char *in)
1.1 kristaps 106: {
1.5 kristaps 107: struct md_buf fi;
108: struct md_buf fo;
1.4 kristaps 109:
110: #define FI_FL O_RDONLY
111: #define FO_FL O_WRONLY|O_CREAT|O_TRUNC
1.1 kristaps 112:
1.5 kristaps 113: assert(args);
1.1 kristaps 114: assert(out);
115: assert(in);
116:
1.5 kristaps 117: bzero(&fi, sizeof(struct md_buf));
118: bzero(&fo, sizeof(struct md_buf));
1.1 kristaps 119:
1.4 kristaps 120: fi.fd = STDIN_FILENO;
121: fo.fd = STDOUT_FILENO;
1.1 kristaps 122:
1.4 kristaps 123: fi.name = in;
124: fo.name = out;
1.1 kristaps 125:
1.4 kristaps 126: if (0 != strncmp(fi.name, "-", 1))
127: if (-1 == (fi.fd = open(fi.name, FI_FL, 0))) {
128: warn("%s", fi.name);
129: return(leave_io(&fo, &fi, 1));
130: }
1.1 kristaps 131:
1.4 kristaps 132: if (0 != strncmp(fo.name, "-", 1))
133: if (-1 == (fo.fd = open(fo.name, FO_FL, 0644))) {
134: warn("%s", fo.name);
135: return(leave_io(&fo, &fi, 1));
136: }
1.1 kristaps 137:
1.5 kristaps 138: return(leave_io(&fo, &fi, begin_bufs(args, &fo, &fi)));
1.4 kristaps 139: }
1.1 kristaps 140:
141:
1.4 kristaps 142: static int
1.5 kristaps 143: leave_bufs(const struct md_buf *out,
144: const struct md_buf *in, int c)
1.4 kristaps 145: {
146: assert(out);
147: assert(in);
148: if (out->buf)
149: free(out->buf);
150: if (in->buf)
151: free(in->buf);
1.1 kristaps 152: return(c);
153: }
154:
155:
156: static int
1.5 kristaps 157: begin_bufs(const struct md_args *args,
158: struct md_buf *out, struct md_buf *in)
1.1 kristaps 159: {
160: struct stat stin, stout;
1.5 kristaps 161: int c;
1.1 kristaps 162:
1.5 kristaps 163: assert(args);
1.1 kristaps 164: assert(in);
165: assert(out);
166:
167: if (-1 == fstat(in->fd, &stin)) {
1.3 kristaps 168: warn("%s", in->name);
1.1 kristaps 169: return(1);
170: } else if (-1 == fstat(out->fd, &stout)) {
1.3 kristaps 171: warn("%s", out->name);
1.1 kristaps 172: return(1);
173: }
174:
1.3 kristaps 175: in->bufsz = MAX(stin.st_blksize, BUFFER_IN_DEF);
176: out->bufsz = MAX(stout.st_blksize, BUFFER_OUT_DEF);
1.1 kristaps 177:
1.3 kristaps 178: if (NULL == (in->buf = malloc(in->bufsz))) {
1.1 kristaps 179: warn("malloc");
1.4 kristaps 180: return(leave_bufs(out, in, 1));
1.3 kristaps 181: } else if (NULL == (out->buf = malloc(out->bufsz))) {
1.1 kristaps 182: warn("malloc");
1.4 kristaps 183: return(leave_bufs(out, in, 1));
1.1 kristaps 184: }
185:
1.5 kristaps 186: c = md_run(args, out, in);
187: return(leave_bufs(out, in, -1 == c ? 1 : 0));
1.1 kristaps 188: }
189:
190:
191: static void
192: usage(void)
193: {
194: extern char *__progname;
195:
1.4 kristaps 196: (void)printf("usage: %s [-o outfile] [infile]\n", __progname);
1.1 kristaps 197: }
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