vlastavesely/sanskrit-iast
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main.c - rewrite actions dispatching

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This commit is contained in:
Vlasta Vesely 2021-12-30 14:12:16 +01:00
parent 6f8417f964
commit 7960aef783
2 changed files with 57 additions and 32 deletions
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85
main.c
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@ -78,55 +78,59 @@ static void error(const char *msg, ...)
va_end(params); va_end(params);
} }
static int process_input(const char *input, char **out, unsigned int flags) static int velthuis_encode(const char *in, char **out, unsigned int flags)
{ {
char *tmp = NULL; char *tmp = NULL;
int ret; int ret;
if (flags & FLAG_REVERSE) { if (flags & FLAG_REVERSE)
if (flags & FLAG_VELTHUIS) { return encode_iast_to_velthuis(in, out);
return encode_iast_to_velthuis(input, out);
} else {
return transliterate_latin_to_devanagari(input, out);
}
}
if (flags & FLAG_VELTHUIS) { ret = encode_velthuis_to_iast(in, out);
if (flags & FLAG_DEVANAGARI) { if (flags & FLAG_DEVANAGARI) {
ret = encode_velthuis_to_iast(input, &tmp); ret = transliterate_latin_to_devanagari(*out, &tmp);
if (ret != 0) free(*out);
return ret; *out = tmp;
}
ret = transliterate_latin_to_devanagari(tmp, out);
free(tmp);
return ret; return ret;
} else { }
return encode_velthuis_to_iast(input, out);
} static int iast_transliterate(const char *in, char **out, unsigned int flags)
{
char *tmp = NULL;
int ret;
if (flags & FLAG_REVERSE)
return transliterate_latin_to_devanagari(in, out);
ret = transliterate_devanagari_to_latin(in, out);
if (flags & FLAG_ASCII) {
ret = encode_iast_to_velthuis(*out, &tmp);
free(*out);
*out = tmp;
} }
return ret;
}
static int process_input(const char *input, char **out, unsigned int flags)
{
if (flags & FLAG_HINDI)
return transcript_devanagari_to_hindi(input, out);
if (flags & FLAG_CZECH) if (flags & FLAG_CZECH)
return transcript_devanagari_to_czech(input, out); return transcript_devanagari_to_czech(input, out);
if (flags & FLAG_HINDI) if (flags & FLAG_VELTHUIS)
return transcript_devanagari_to_hindi(input, out); return velthuis_encode(input, out, flags);
if (flags & FLAG_ASCII) { return iast_transliterate(input, out, flags);
ret = transliterate_devanagari_to_latin(input, &tmp);
if (ret != 0)
return ret;
ret = encode_iast_to_velthuis(tmp, out);
free(tmp);
return ret;
} else {
return transliterate_devanagari_to_latin(input, out);
}
} }
static int process_string(const char *input, unsigned int flags) static int process_string(const char *input, unsigned int flags)
{ {
char *output; char *output = NULL;
int ret; int ret;
ret = process_input(input, &output, flags); ret = process_input(input, &output, flags);
@ -145,6 +149,21 @@ static int process_string(const char *input, unsigned int flags)
return ret; return ret;
} }
static int validate_flags(unsigned int flags)
{
if (flags & FLAG_HINDI && flags & FLAG_REVERSE) {
error("invalid combination of '-H' and '-r'.");
return -EINVAL;
}
if (flags & FLAG_CZECH && flags & FLAG_REVERSE) {
error("invalid combination of '-c' and '-r'.");
return -EINVAL;
}
return 0;
}
#define CHUNKSIZE 1024 #define CHUNKSIZE 1024
static int read_fd(char **out, int fd) static int read_fd(char **out, int fd)
{ {
@ -247,6 +266,10 @@ int main(int argc, const char **argv)
} }
} }
retval = validate_flags(flags);
if (retval != 0)
return retval;
while (optind < argc) { while (optind < argc) {
const char *arg = argv[optind++]; const char *arg = argv[optind++];

2
tests/integration.c
View file

@ -148,6 +148,8 @@ START_TEST(test_errors)
{ {
test_output("./iast -x 2>&1", "[iast] error: unrecognised option '-x'.\n"); test_output("./iast -x 2>&1", "[iast] error: unrecognised option '-x'.\n");
test_output("./iast -f xxx 2>&1", "[iast] error: failed to read file 'xxx'.\n"); test_output("./iast -f xxx 2>&1", "[iast] error: failed to read file 'xxx'.\n");
test_output("./iast -Hr 2>&1", "[iast] error: invalid combination of '-H' and '-r'.\n");
test_output("./iast -cr 2>&1", "[iast] error: invalid combination of '-c' and '-r'.\n");
} }
END_TEST END_TEST