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#include "setup.h"
#include "alloc.h"
/*Useful setup code for the Rhyming Dictionary
Copyright (C) 2000,2001,2002 Brian Langenberger
Released under the terms of the GNU Public License.
See the file "COPYING" for full details.*/
struct option long_options[] =
{
{"syllable", no_argument, NULL, 's'},
{"merged", no_argument, NULL, 'm'},
{"interactive", no_argument, NULL, 'i'},
{"version", no_argument, NULL, 'v'},
{"help", no_argument, NULL, 'h'},
{0,0,0,0}
};
void fatalError(char s[]) {
fprintf(stderr, s);
exit(1);
}
void rhymeSetup(GDBM_FILE *wordfile, GDBM_FILE *rhymefile,
GDBM_FILE *multiplefile,
int *flags, int argc, char *argv[], int *wordindex) {
int option_index = 0;
int c;
char *dir;
char *env;
*flags = 0;
while ((c = getopt_long(argc, argv, "smvhi", long_options,
&option_index)) != EOF) {
switch(c) {
case 'v':
printf("Rhyming Dictionary %s\n", VERSION);
exit(0);
case 'h':
printHelp(stderr);
exit(0);
case 's':
*flags |= FLAG_SYLLABLE;
break;
case 'i':
*flags |= FLAG_INTERACTIVE;
break;
case 'm':
*flags |= FLAG_MERGED;
break;
}
}
*wordindex = optind;
if ((!(*flags & FLAG_INTERACTIVE)) && (*wordindex >= argc)) {
printHelp(stderr);
exit(0);
}
env = getenv(RHYME_ENV);
if (env == NULL)
dir = DEFAULT_RHYMEPATH;
else
dir = env;
*wordfile = openGDBMFile(dir, WORDS_NAME);
*rhymefile = openGDBMFile(dir, RHYMES_NAME);
*multiplefile = openGDBMFile(dir, MULTIPLES_NAME);
}
GDBM_FILE openGDBMFile(char *dir, char *file) {
/*I *really* hope GDBM doesn't need the pathnames after gdbm_open
is called. I should check the GDBM code to make sure nothing
bad happens*/
char *path;
GDBM_FILE toreturn;
path = (char *)testalloc((strlen(dir) + strlen(file) + 1) * sizeof(char));
path[0] = '\0';
strcat(path, dir);
strcat(path, file);
toreturn = gdbm_open(path, 0, GDBM_READER, 0, fatalError);
if (toreturn == NULL) {
fprintf(stderr, "*** Error for %s: %s\n", path, gdbm_strerror(gdbm_errno));
exit(1);
}
free(path);
return toreturn;
}
void printHelp(FILE *stream) {
fprintf(stream, "Usage : rhyme [OPTIONS] <word>\n\n");
fprintf(stream, "Search type: (perfect rhyme is default)\n");
fprintf(stream, " -s, --syllable\t");
fprintf(stream, "returns only the number of syllables\n");
fprintf(stream, " -m, --merged\t\t");
fprintf(stream, "multiple pronunciations are merged\n");
fprintf(stream, "\nMiscellaneous options:\n");
fprintf(stream, " -i, --interactive\t");
fprintf(stream, "interactive mode\n");
fprintf(stream, " -h, --help\t\tthis help message\n");
fprintf(stream, " -v, --version\t\tthis program's version\n");
fprintf(stream, "\nEnvironment variables:\n\n");
fprintf(stream, "%s\t\tthe directory of the database files\n", RHYME_ENV);
fprintf(stream, "\nThe output is ordered by syllable count and alphabetized\n");
}
void swapSyllableModes(int *flags) {
if (*flags & FLAG_SYLLABLE) {
*flags &= ~FLAG_SYLLABLE;
} else {
*flags |= FLAG_SYLLABLE;
}
}
void swapMergedModes(int *flags) {
if (*flags & FLAG_MERGED) {
*flags &= ~FLAG_MERGED;
} else {
*flags |= FLAG_MERGED;
}
}
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