Add comments.

diff --git a/sample.c b/sample.c
index 13251af..c544fcd 100644 (file)
--- a/sample.c
+++ b/sample.c
@@ -6,8 +6,8 @@ int
 main (int argc, char* argv[])
 {
   CHISE_DS ds;
-  CHISE_Decoding_Table *dt;
-  CHISE_Feature_Table *ft;
+  CHISE_Decoding_Table *dt_daikanwa;
+  CHISE_Feature_Table *ft_ideographic_structure;
   int modemask;
   int accessmask = 0;
   DBTYPE real_subtype;
@@ -15,6 +15,7 @@ main (int argc, char* argv[])
   CHISE_Char_ID char_id;
   CHISE_Value value;
   
+  /* open a data-source */
   status = chise_open_data_source (&ds, CHISE_DS_Berkeley_DB, db_dir);
   if (status)
     {
@@ -22,40 +23,61 @@ main (int argc, char* argv[])
       return -1;
     }
 
-  modemask = 0755;             /* rwxr-xr-x */
 
+  /*
+   * get a character corresponding with Daikanwa number 364
+   */
+
+  modemask = 0755;             /* rwxr-xr-x */
   real_subtype = DB_HASH;
   accessmask = DB_RDONLY;
 
-  status = chise_open_decoding_table (&dt, &ds,
+  /* setup a decoding-table */
+  status = chise_open_decoding_table (&dt_daikanwa, &ds,
                                      "ideograph-daikanwa",
-                                     real_subtype, accessmask, modemask);
+                                     real_subtype,
+                                     accessmask, modemask);
   if (status)
     {
-      chise_close_decoding_table (dt);
+      chise_close_decoding_table (dt_daikanwa);
       chise_close_data_source (&ds);
       return -1;
     }
+  
+  /* get a character from the decoding-table */
+  char_id = chise_dt_get_char (dt_daikanwa, 364);
+
+  /* close the decoding-table */
+  chise_close_decoding_table (dt_daikanwa);
 
-  char_id = chise_dt_get_char (dt, 20);
-  chise_close_decoding_table (dt);
-      
-  status = chise_open_feature_table (&ft, &ds,
+
+  /*
+   * get a ideographic-structure feature of the character
+   */
+  
+  /* setup a feature-table */
+  status = chise_open_feature_table (&ft_ideographic_structure, &ds,
                                     "ideographic-structure",
                                     real_subtype, accessmask, modemask);
   if (status)
     {
-      chise_close_feature_table (ft);
+      chise_close_feature_table (ft_ideographic_structure);
       chise_close_data_source (&ds);
       return -1;
     }
+  
+  /* get a feature-value of the character */
+  status = chise_ft_get_value (ft_ideographic_structure, char_id, &value);
 
-  status = chise_ft_get_value (ft, char_id, &value);
   if (!status)
     printf ("#x%X => %s\n", char_id, chise_value_to_c_string(&value));
   else
     printf ("#x%X (%d)\n", char_id, status);
 
-  chise_close_feature_table (ft);
+  /* close the feature-table */
+  chise_close_feature_table (ft_ideographic_structure);
+
+
+  /* close the data-source */
   chise_close_data_source (&ds);
 }