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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 <locale.h>
#include "pinyin_internal.h"
#include "k_mixture_model.h"
#include "utils_helper.h"
static const gchar * k_mixture_model_filename = NULL;
static GOptionEntry entries[] =
{
{"k-mixture-model-file", 0, 0, G_OPTION_ARG_FILENAME, &k_mixture_model_filename, "k mixture model file", NULL},
{NULL}
};
bool print_k_mixture_model_magic_header(FILE * output,
KMixtureModelBigram * bigram){
KMixtureModelMagicHeader magic_header;
if ( !bigram->get_magic_header(magic_header) ){
fprintf(stderr, "no magic header in k mixture model.\n");
exit(ENODATA);
}
fprintf(output, "\\data model \"k mixture model\" count %d N %d "
"total_freq %d\n", magic_header.m_WC, magic_header.m_N,
magic_header.m_total_freq);
return true;
}
bool print_k_mixture_model_array_headers(FILE * output,
KMixtureModelBigram * bigram,
FacadePhraseIndex * phrase_index){
fprintf(output, "\\1-gram\n");
GArray * items = g_array_new(FALSE, FALSE, sizeof(phrase_token_t));
bigram->get_all_items(items);
for (size_t i = 0; i < items->len; ++i) {
phrase_token_t token = g_array_index(items, phrase_token_t, i);
KMixtureModelArrayHeader array_header;
assert(bigram->get_array_header(token, array_header));
char * phrase = taglib_token_to_string(phrase_index, token);
if ( phrase )
fprintf(output, "\\item %d %s count %d freq %d\n",
token, phrase, array_header.m_WC, array_header.m_freq);
g_free(phrase);
}
return true;
}
bool print_k_mixture_model_array_items(FILE * output,
KMixtureModelBigram * bigram,
FacadePhraseIndex * phrase_index){
fprintf(output, "\\2-gram\n");
GArray * items = g_array_new(FALSE, FALSE, sizeof(phrase_token_t));
bigram->get_all_items(items);
for (size_t i = 0; i < items->len; ++i) {
phrase_token_t token = g_array_index(items, phrase_token_t, i);
KMixtureModelSingleGram * single_gram = NULL;
assert(bigram->load(token, single_gram));
FlexibleBigramPhraseArray array = g_array_new
(FALSE, FALSE, sizeof(KMixtureModelArrayItemWithToken));
single_gram->retrieve_all(array);
for (size_t m = 0; m < array->len; ++m){
KMixtureModelArrayItemWithToken * item = &g_array_index(array, KMixtureModelArrayItemWithToken, m);
char * word1 = taglib_token_to_string(phrase_index, token);
char * word2 = taglib_token_to_string(phrase_index, item->m_token);
if (word1 && word2)
fprintf(output, "\\item %d %s %d %s count %d T %d N_n_0 %d n_1 %d Mr %d\n",
token, word1, item->m_token, word2,
item->m_item.m_WC, item->m_item.m_WC,
item->m_item.m_N_n_0, item->m_item.m_n_1,
item->m_item.m_Mr);
g_free(word1); g_free(word2);
}
g_array_free(array, TRUE);
delete single_gram;
}
g_array_free(items, TRUE);
return true;
}
bool end_data(FILE * output){
fprintf(output, "\\end\n");
return true;
}
int main(int argc, char * argv[]){
FILE * output = stdout;
setlocale(LC_ALL, "");
GError * error = NULL;
GOptionContext * context;
context = g_option_context_new("- export k mixture model");
g_option_context_add_main_entries(context, entries, NULL);
if (!g_option_context_parse(context, &argc, &argv, &error)) {
g_print("option parsing failed:%s\n", error->message);
exit(EINVAL);
}
SystemTableInfo2 system_table_info;
bool retval = system_table_info.load(SYSTEM_TABLE_INFO);
if (!retval) {
fprintf(stderr, "load table.conf failed.\n");
exit(ENOENT);
}
FacadePhraseIndex phrase_index;
const pinyin_table_info_t * phrase_files =
system_table_info.get_default_tables();
if (!load_phrase_index(phrase_files, &phrase_index))
exit(ENOENT);
KMixtureModelBigram bigram(K_MIXTURE_MODEL_MAGIC_NUMBER);
if (!bigram.attach(k_mixture_model_filename, ATTACH_READONLY)) {
fprintf(stderr, "open %s failed.\n", k_mixture_model_filename);
exit(ENOENT);
}
print_k_mixture_model_magic_header(output, &bigram);
print_k_mixture_model_array_headers(output, &bigram, &phrase_index);
print_k_mixture_model_array_items(output, &bigram, &phrase_index);
end_data(output);
return 0;
}
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