1 files changed, 65 insertions, 0 deletions
diff --git a/src-diclib/file_dic.c b/src-diclib/file_dic.c
new file mode 100644
index 0000000..0df30e8
--- /dev/null
+++ b/src-diclib/file_dic.c
@@ -0,0 +1,65 @@
+#include <stdio.h>
+#include <string.h>
+
+#include <anthy/diclib.h>
+#include <anthy/filemap.h>
+#include <anthy/alloc.h>
+#include <anthy/conf.h>
+#include <anthy/logger.h>
+#include "diclib_inner.h"
+
+/**
+   複数セクションがリンクされた辞書
+ */
+struct file_dic
+{
+  struct filemapping *mapping;
+};
+
+static struct file_dic fdic;
+
+void*
+anthy_file_dic_get_section(const char* section_name)
+{
+  int i;
+  char* head = anthy_mmap_address(fdic.mapping);
+  int* p = (int*)head;
+  int entry_num = anthy_dic_ntohl(*p++);
+  
+  for (i = 0; i < entry_num; ++i) {
+    int hash_offset = anthy_dic_ntohl(*p++);
+    int key_len =  anthy_dic_ntohl(*p++);
+    int contents_offset = anthy_dic_ntohl(*p++);
+    if (strncmp(section_name, head + hash_offset, key_len) == 0) {
+      return (void*)(head + contents_offset);
+    }
+  }
+  return NULL;
+}
+
+int
+anthy_init_file_dic(void)
+{
+  const char *fn;
+  fn = anthy_conf_get_str("DIC_FILE");
+  if (!fn) {
+    anthy_log(0, "dictionary is not specified.\n");
+    return -1;
+  }
+
+  /* 辞書をメモリ上にmapする */
+  fdic.mapping = anthy_mmap(fn, 0);
+  if (!fdic.mapping) {
+    anthy_log(0, "failed to init file dic.\n");
+    return -1;
+  }
+
+  return 0;
+}
+
+void
+anthy_quit_file_dic(void)
+{
+  anthy_munmap(fdic.mapping);  
+}
+