mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-22 14:44:07 +08:00
570af48b8b
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@87 d0cd1f9f-072b-0410-8dd7-cf729c803f20
63 lines
2.1 KiB
C++
63 lines
2.1 KiB
C++
///////////////////////////////////////////////////////////////////////
|
|
// File: wordlist2dawg.cpp
|
|
// Description: Program to generate a DAWG from a word list file
|
|
// Author: Thomas Kielbus
|
|
// Created: Thu May 10 18:11:42 PDT 2007
|
|
//
|
|
// (C) Copyright 2006, Google Inc.
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
///////////////////////////////////////////////////////////////////////
|
|
|
|
// Given a file that contains a list of words (one word per line) this program
|
|
// generates the corresponding squished DAWG file.
|
|
|
|
#include <stdio.h>
|
|
|
|
#include "dawg.h"
|
|
#include "makedawg.h"
|
|
#include "reduce.h"
|
|
#include "emalloc.h"
|
|
|
|
int main(int argc, char** argv) {
|
|
|
|
if (argc != 3) {
|
|
printf("Usage: %s word_list_file dawg_file\n", argv[0]);
|
|
return 1;
|
|
}
|
|
|
|
const char* wordlist_filename = argv[1];
|
|
const char* dawg_filename = argv[2];
|
|
|
|
EDGE_ARRAY dawg;
|
|
INT32 max_num_edges = 20000000;
|
|
INT32 reserved_edges = 1000000;
|
|
|
|
dawg = (EDGE_ARRAY) Emalloc(sizeof (EDGE_RECORD) * max_num_edges);
|
|
if (dawg == NULL) {
|
|
printf("error: Could not allocate enough memory for DAWG ");
|
|
printf("(%d,%d bytes needed)\n",
|
|
sizeof (EDGE_RECORD) * max_num_edges / 1000,
|
|
sizeof (EDGE_RECORD) * max_num_edges % 1000);
|
|
exit(1);
|
|
}
|
|
|
|
printf("Building DAWG from word list in file, '%s'\n", wordlist_filename);
|
|
read_word_list(wordlist_filename, dawg, max_num_edges, reserved_edges);
|
|
|
|
trie_to_dawg(dawg, max_num_edges, reserved_edges);
|
|
|
|
printf("Writing squished DAWG file, '%s'\n", dawg_filename);
|
|
write_squished_dawg(dawg_filename, dawg, max_num_edges, reserved_edges);
|
|
|
|
return 0;
|
|
}
|