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/*
* libpinyin
* Library to deal with pinyin.
*
* Copyright (C) 2011 Peng Wu <alexepico@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <stdio.h>
#include <locale.h>
#include "pinyin_internal.h"
void print_help(){
printf("Usage: test_phrase_lookup\n");
}
bool try_phrase_lookup(PhraseLookup * phrase_lookup,
ucs4_t * ucs4_str, glong ucs4_len){
char * result_string = NULL;
MatchResults results = g_array_new(FALSE, FALSE, sizeof(phrase_token_t));
phrase_lookup->get_best_match(ucs4_len, ucs4_str, results);
#if 0
for ( size_t i = 0; i < results->len; ++i) {
phrase_token_t * token = &g_array_index(results, phrase_token_t, i);
if ( *token == null_token )
continue;
printf("%d:%d\t", i, *token);
}
printf("\n");
#endif
phrase_lookup->convert_to_utf8(results, "\n", result_string);
if (result_string)
printf("%s\n", result_string);
else
fprintf(stderr, "Error: Un-segmentable sentence encountered!\n");
g_array_free(results, TRUE);
g_free(result_string);
return true;
}
int main(int argc, char * argv[]){
int i = 1;
setlocale(LC_ALL, "");
/* deal with options. */
while ( i < argc ){
if ( strcmp ("--help", argv[i]) == 0 ){
print_help();
exit(0);
} else {
print_help();
exit(EINVAL);
}
++i;
}
/* init phrase table */
FacadePhraseTable phrase_table;
MemoryChunk * chunk = new MemoryChunk;
chunk->load("../../data/phrase_index.bin");
phrase_table.load(chunk, NULL);
/* init phrase index */
FacadePhraseIndex phrase_index;
for (size_t i = 0; i < PHRASE_INDEX_LIBRARY_COUNT; ++i) {
const char * bin_file = pinyin_phrase_files[i];
if (NULL == bin_file)
continue;
gchar * filename = g_build_filename("..", "..", "data",
bin_file, NULL);
chunk = new MemoryChunk;
bool retval = chunk->load(filename);
if (!retval) {
fprintf(stderr, "open %s failed!\n", bin_file);
exit(ENOENT);
}
phrase_index.load(i, chunk);
g_free(filename);
}
/* init bi-gram */
Bigram system_bigram;
system_bigram.attach("../../data/bigram.db", ATTACH_READONLY);
Bigram user_bigram;
/* init phrase lookup */
PhraseLookup phrase_lookup(&phrase_table, &phrase_index,
&system_bigram, &user_bigram);
/* try one sentence */
char * linebuf = NULL;
size_t size = 0;
ssize_t read;
while( (read = getline(&linebuf, &size, stdin)) != -1 ){
if ( '\n' == linebuf[strlen(linebuf) - 1] ) {
linebuf[strlen(linebuf) - 1] = '\0';
}
if ( strcmp ( linebuf, "quit" ) == 0)
break;
/* check non-ucs4 characters */
const glong num_of_chars = g_utf8_strlen(linebuf, -1);
glong len = 0;
ucs4_t * sentence = g_utf8_to_ucs4(linebuf, -1, NULL, &len, NULL);
if ( len != num_of_chars ) {
fprintf(stderr, "non-ucs4 characters are not accepted.\n");
g_free(sentence);
continue;
}
try_phrase_lookup(&phrase_lookup, sentence, len);
g_free(sentence);
}
free(linebuf);
return 0;
}
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