From 989ccc528342d535c4f368e613e40efa3a2cae0b Mon Sep 17 00:00:00 2001
From: Peng Wu <alexepico@gmail.com>
Date: Tue, 2 Apr 2013 12:14:07 +0800
Subject: update gen_k_mixture_model.cpp

---
 utils/training/gen_k_mixture_model.cpp | 63 ++++++++++++----------------------
 1 file changed, 22 insertions(+), 41 deletions(-)

diff --git a/utils/training/gen_k_mixture_model.cpp b/utils/training/gen_k_mixture_model.cpp
index 9bea6ab..fed556e 100644
--- a/utils/training/gen_k_mixture_model.cpp
+++ b/utils/training/gen_k_mixture_model.cpp
@@ -32,18 +32,19 @@ typedef GHashTable * HashofSecondWord;
 
 typedef GHashTable * HashofUnigram;
 
-static guint32 g_maximum_occurs = 20;
+static gint g_maximum_occurs = 20;
 static parameter_t g_maximum_increase_rates = 3.;
-static bool g_train_pi_gram = true;
+static gboolean g_train_pi_gram = TRUE;
+static const gchar * g_k_mixture_model_filename = NULL;
 
-
-void print_help(){
-    printf("Usage: gen_k_mixture_model [--skip-pi-gram-training]\n");
-    printf("                           [--maximum-occurs-allowed <INT>]\n");
-    printf("                           [--maximum-increase-rates-allowed <FLOAT>]\n");
-    printf("                           [--k-mixture-model-file <FILENAME>]\n");
-    printf("                           {<FILENAME>}+\n");
-}
+static GOptionEntry entries[] =
+{
+    {"skip-pi-gram-training", 0, G_OPTION_FLAG_REVERSE, G_OPTION_ARG_NONE, &g_train_pi_gram, "skip pi-gram training", NULL},
+    {"maximum-occurs-allowed", 0, 0, G_OPTION_ARG_INT, &g_maximum_occurs, "maximum occurs allowed", NULL},
+    {"maximum-increase-rates-allowed", 0, 0, G_OPTION_ARG_DOUBLE, &g_maximum_increase_rates, "maximum increase rates allowed", NULL},
+    {"k-mixture-model-file", 0, 0, G_OPTION_ARG_FILENAME, &g_k_mixture_model_filename, "k mixture model file", NULL},
+    {NULL}
+};
 
 
 bool read_document(PhraseLargeTable2 * phrase_table,
@@ -135,7 +136,7 @@ static void train_word_pair(HashofUnigram hash_of_unigram,
     bool exists = single_gram->get_array_item(token2, array_item);
     if ( exists ) {
         guint32 maximum_occurs_allowed = std_lite::max
-            (g_maximum_occurs,
+            ((guint32)g_maximum_occurs,
              (guint32)ceil(array_item.m_Mr * g_maximum_increase_rates));
         /* Exceeds the maximum occurs allowed of the word or phrase,
          * in a single document.
@@ -305,37 +306,17 @@ static bool post_processing_unigram(KMixtureModelBigram * bigram,
 
 int main(int argc, char * argv[]){
     int i = 1;
-    const char * k_mixture_model_filename = NULL;
 
     setlocale(LC_ALL, "");
-    while ( i < argc ){
-        if ( strcmp("--help", argv[i]) == 0 ){
-            print_help();
-            exit(0);
-        } else if ( strcmp("--skip-pi-gram-training", argv[i]) == 0 ){
-            g_train_pi_gram = false;
-        } else if ( strcmp("--maximum-occurs-allowed", argv[i]) == 0 ){
-            if ( ++i >= argc ){
-                print_help();
-                exit(EINVAL);
-            }
-            g_maximum_occurs = atoi(argv[i]);
-        } else if ( strcmp("--maximum-increase-rates-allowed", argv[i]) == 0 ){
-            if ( ++i >= argc ){
-                print_help();
-                exit(EINVAL);
-            }
-            g_maximum_increase_rates = atof(argv[i]);
-        } else if ( strcmp("--k-mixture-model-file", argv[i]) == 0 ){
-            if ( ++i >= argc ){
-                print_help();
-                exit(EINVAL);
-            }
-            k_mixture_model_filename = argv[i];
-        } else {
-            break;
-        }
-        ++i;
+
+    GError * error = NULL;
+    GOptionContext * context;
+
+    context = g_option_context_new("- generate 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);
     }
 
     PhraseLargeTable2 phrase_table;
@@ -348,7 +329,7 @@ int main(int argc, char * argv[]){
         exit(ENOENT);
 
     KMixtureModelBigram bigram(K_MIXTURE_MODEL_MAGIC_NUMBER);
-    bigram.attach(k_mixture_model_filename, ATTACH_READWRITE|ATTACH_CREATE);
+    bigram.attach(g_k_mixture_model_filename, ATTACH_READWRITE|ATTACH_CREATE);
 
     while ( i < argc ){
         const char * filename = argv[i];
-- 
cgit