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/*
jmdict, a frontend to the JMdict file. http://mandrill.fuxx0r.net/jmdict.php
Copyright (C) 2004 Florian Bluemel (florian.bluemel@uni-dortmund.de)
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <cstdlib>
#include <exception>
#include <ostream>
#include <iostream>
#include <fstream>
#include <ctime>
#include <string>
#include <stack>
#include "sqlite.h"
#include "xmlparser.h"
#include "kana2romaji.h"
using namespace std;
class Dictionary {
public:
Dictionary(const string& name) : db(name) {
db.exec("DROP TABLE kanji");
db.exec("DROP TABLE reading");
db.exec("DROP TABLE gloss");
db.exec("CREATE TABLE kanji (entry INT NOT NULL, kanji TINYTEXT NOT NULL)");
db.exec("CREATE TABLE reading (entry INT NOT NULL, kana TINYTEXT NOT NULL, romaji TINYTEXT NOT NULL)");
db.exec("CREATE TABLE gloss (entry INT NOT NULL, sense INT NOT NULL, lang TINYTEXT NOT NULL, gloss TEXT NOT NULL)");
db.exec("BEGIN");
}
~Dictionary() {
db.exec("COMMIT");
}
void createIndices() {
db.exec("CREATE INDEX k_entry ON kanji (entry)");
db.exec("CREATE INDEX r_entry ON reading (entry)");
db.exec("CREATE INDEX r_kana ON reading (kana)");
db.exec("CREATE INDEX r_romaji ON reading (romaji)");
db.exec("CREATE INDEX g_entry ON gloss (entry)");
db.exec("CREATE INDEX g_gloss ON gloss (gloss)");
}
void push(const xml::Tag& tag) {
tags.push(tag);
}
xml::Tag& top() {
return tags.top();
}
void pop() {
xml::Tag& tag = top();
if (tag.name() == "ent_seq") {
entry_seq = atoi(tag.text().c_str());
sense_seq = 1;
}
else if (tag.name() == "keb")
insert_kanji(tag.text());
else if (tag.name() == "reb")
insert_reading(tag.text());
else if (tag.name() == "sense")
++sense_seq;
else if (tag.name() == "gloss")
insert_gloss(tag.attribute("xml:lang"), tag.text());
tags.pop();
}
private:
void insert_kanji(const string& kanji) {
db.exec(sql::query("INSERT INTO kanji (entry, kanji) VALUES (%u, %Q)") % entry_seq % kanji);
}
void insert_reading(const string& reading) {
string romaji;
kana2romaji(reading, romaji);
db.exec(sql::query("INSERT INTO reading (entry, kana, romaji) VALUES (%u, %Q, %Q)") % entry_seq % reading % romaji);
}
void insert_gloss(string lang, const string& text) {
if (lang == "")
lang = "en";
db.exec(
sql::query("INSERT INTO gloss (entry, sense, lang, gloss) "
"VALUES (%u, %u, %Q, %Q)") % entry_seq % sense_seq % lang % text);
static unsigned seq = 0;
if (++seq % 50000 == 0) {
db.exec("COMMIT");
db.exec("BEGIN");
}
}
stack<xml::Tag> tags;
unsigned entry_seq;
unsigned sense_seq;
sql::db db;
};
int main(int argc, char** argv)
try {
if(argc < 2 || argc > 3) {
cerr << "Usage: jmdict_import <dictfile> [dest_dir]\n";
return EXIT_FAILURE;
}
const string dict_file = argv[1],
database_name = argc == 2 ? DICTIONARY_PATH : string(argv[2]) + DICTIONARY_PATH;
initRomaji();
if (std::remove(database_name.c_str()) == 0)
std::cout << "removed old dictionary database\n";
Dictionary dict(database_name);
xml::Parser<Dictionary> parser(dict);
ifstream in(dict_file.c_str());
if (!in.is_open()) {
cerr << "could not open dictionary file '" << dict_file << "'\n";
return EXIT_FAILURE;
}
cout << "filling database... " << flush;
time_t start = time(0);
parser.parse(in);
cout << time(0) - start << "s" << endl;
cout << "creating indices... " << flush;
start = time(0);
dict.createIndices();
cout << time(0) - start << "s" << endl;
return EXIT_SUCCESS;
}
catch (const std::exception& e) {
cerr << e.what() << '\n';
return EXIT_FAILURE;
}
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