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1 | /* |
2 | * help.c: usage instructions |
3 | */ |
4 | |
5 | #include <stdio.h> |
6 | #include "halibut.h" |
7 | |
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8 | static const char *const helptext[] = { |
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9 | "usage: halibut [options] files", |
10 | "options: --text[=filename] generate plain text output", |
11 | " --html[=filename] generate XHTML output", |
12 | " --winhelp[=filename] generate Windows Help output", |
13 | " --man[=filename] generate man page output", |
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14 | " --info[=filename] generate GNU info output", |
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15 | " --ps[=filename] generate PostScript output", |
16 | " --pdf[=filename] generate PDF output", |
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17 | " -Cfoo:bar:baz append \\cfg{foo}{bar}{baz} to input", |
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18 | " --input-charset=cs change default input file charset", |
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19 | " --list-charsets display supported character set names", |
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20 | " --precise report column numbers in error messages", |
21 | " --help display this text", |
22 | " --version display version number", |
23 | " --licence display licence text", |
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24 | NULL |
25 | }; |
26 | |
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27 | static const char *const usagetext[] = { |
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28 | "usage: halibut [--format[=filename]] [options] file.but [file.but...]", |
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29 | NULL |
30 | }; |
31 | |
32 | void help(void) { |
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33 | const char *const *p; |
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34 | for (p = helptext; *p; p++) |
35 | puts(*p); |
36 | } |
37 | |
38 | void usage(void) { |
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39 | const char *const *p; |
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40 | for (p = usagetext; *p; p++) |
41 | puts(*p); |
42 | } |
43 | |
44 | void showversion(void) { |
45 | printf("Halibut, %s\n", version); |
46 | } |
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47 | |
48 | void listcharsets(void) { |
49 | int i = 0, c; |
50 | do { |
51 | c = charset_localenc_nth(i); |
52 | if (c == CS_NONE) break; |
53 | printf("%s\n", charset_to_localenc(c)); |
54 | i++; |
55 | } while (1); |
56 | } |