1 /*
2 * lm2latex - src/lm2latex.c
3 * Copyright (C) 2010 Sebastian Harl <sh@tokkee.org>
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
19 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
28 /*
29 * A Linux-Magazin markup to LaTeX converter.
30 */
32 #if HAVE_CONFIG_H
33 # include "config.h"
34 #endif /* HAVE_CONFIG_H */
36 #include "l2l.h"
37 #include "l2l_features.h"
39 #include <errno.h>
41 #if HAVE_LIBGEN_H
42 # include <libgen.h>
43 #else /* HAVE_LIBGEN_H */
44 # define basename(path) (path)
45 #endif /* ! HAVE_LIBGEN_H */
47 #include <stdio.h>
48 #include <stdlib.h>
49 #include <string.h>
51 #include <unistd.h>
53 static void
54 exit_usage(char *name, int status)
55 {
56 printf(
57 "Usage: %s <options> <infile> [<outfile>]\n"
59 "\nOptions:\n"
60 " -h display this help and exit\n"
61 " -V display the version number and copyright\n"
63 "\nlm2latex "L2L_VERSION_STRING L2L_VERSION_EXTRA", "PACKAGE_URL"\n",
64 basename(name));
65 exit(status);
66 } /* exit_usage */
68 static void
69 exit_version(void)
70 {
71 printf("lm2latex version "L2L_VERSION_STRING L2L_VERSION_EXTRA", "
72 "built "BUILD_DATE"\n"
73 "Copyright (C) 2010 "PACKAGE_BUGREPORT"\n"
75 "\nThis is free software under the terms of the BSD license, see "
76 "the source for\ncopying conditions. There is NO WARRANTY; not "
77 "even for MERCHANTABILITY or\nFITNESS FOR A PARTICULAR "
78 "PURPOSE.\n");
79 exit(0);
80 } /* exit_version */
82 int
83 main(int argc, char **argv)
84 {
85 char *infile = NULL, *outfile = NULL;
86 FILE *in_fh, *out_fh;
87 int args;
89 while (42) {
90 int opt = getopt(argc, argv, "hV");
92 if (-1 == opt)
93 break;
95 switch (opt) {
96 case 'h':
97 exit_usage(argv[0], 0);
98 break;
99 case 'V':
100 exit_version();
101 break;
102 default:
103 exit_usage(argv[0], 1);
104 }
105 }
107 args = argc - optind;
108 if ((0 < args) && (args <= 2)) {
109 infile = argv[optind];
111 if (1 < args)
112 outfile = argv[optind + 1];
113 else
114 outfile = "-";
115 }
116 else
117 exit_usage(argv[0], 1);
119 if (! strcmp(infile, "-"))
120 in_fh = stdin;
121 else
122 in_fh = fopen(infile, "r");
124 if (! in_fh) {
125 fprintf(stderr, "lm2latex: FATAL: Failed to open ``%s'' "
126 "for reading: %s\n", infile, strerror(errno));
127 return 1;
128 }
130 if (! strcmp(outfile, "-"))
131 out_fh = stdout;
132 else
133 out_fh = fopen(outfile, "w");
135 if (! out_fh) {
136 fprintf(stderr, "lm2latex: FATAL: Failed to open ``%s'' "
137 "for writing: %s\n", outfile, strerror(errno));
138 return 1;
139 }
141 l2l_convert_file_fh(in_fh, out_fh);
143 if (in_fh != stdin)
144 fclose(in_fh);
145 if (out_fh != stdout)
146 fclose(out_fh);
147 return 0;
148 } /* main */
150 /* vim: set tw=78 sw=4 ts=4 noexpandtab : */