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// Original source code: https://github.com/hecomi/node-mecab-async
// CUSTOMIZED BY SYUILO
var exec = require('child_process').exec;
var execSync = require('child_process').execSync;
var sq = require('shell-quote');
const config = require('../../conf').default;
// for backward compatibility
var MeCab = function() {};
MeCab.prototype = {
command : config.analysis.mecab_command ? config.analysis.mecab_command : 'mecab',
_format: function(arrayResult) {
var result = [];
if (!arrayResult) { return result; }
// Reference: http://mecab.googlecode.com/svn/trunk/mecab/doc/index.html
// 表層形\t品詞,品詞細分類1,品詞細分類2,品詞細分類3,活用形,活用型,原形,読み,発音
arrayResult.forEach(function(parsed) {
if (parsed.length <= 8) { return; }
result.push({
kanji : parsed[0],
lexical : parsed[1],
compound : parsed[2],
compound2 : parsed[3],
compound3 : parsed[4],
conjugation : parsed[5],
inflection : parsed[6],
original : parsed[7],
reading : parsed[8],
pronunciation : parsed[9] || ''
});
});
return result;
},
_shellCommand : function(str) {
return sq.quote(['echo', str]) + ' | ' + this.command;
},
_parseMeCabResult : function(result) {
return result.split('\n').map(function(line) {
return line.replace('\t', ',').split(',');
});
},
parse : function(str, callback) {
process.nextTick(function() { // for bug
exec(MeCab._shellCommand(str), function(err, result) {
if (err) { return callback(err); }
callback(err, MeCab._parseMeCabResult(result).slice(0,-2));
});
});
},
parseSync : function(str) {
var result = execSync(MeCab._shellCommand(str));
return MeCab._parseMeCabResult(String(result)).slice(0, -2);
},
parseFormat : function(str, callback) {
MeCab.parse(str, function(err, result) {
if (err) { return callback(err); }
callback(err, MeCab._format(result));
});
},
parseSyncFormat : function(str) {
return MeCab._format(MeCab.parseSync(str));
},
_wakatsu : function(arr) {
return arr.map(function(data) { return data[0]; });
},
wakachi : function(str, callback) {
MeCab.parse(str, function(err, arr) {
if (err) { return callback(err); }
callback(null, MeCab._wakatsu(arr));
});
},
wakachiSync : function(str) {
var arr = MeCab.parseSync(str);
return MeCab._wakatsu(arr);
}
};
for (var x in MeCab.prototype) {
MeCab[x] = MeCab.prototype[x];
}
module.exports = MeCab;
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