/**
* Copyright (c) 2009/09-2012/08, Regents of the University of Colorado
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
* Copyright 2012/09-2013/04, 2013/11-Present, University of Massachusetts Amherst
* Copyright 2013/05-2013/10, IPSoft 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.
*/
package com.clearnlp.run;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintStream;
import java.util.List;
import org.kohsuke.args4j.Option;
import com.clearnlp.nlp.NLPGetter;
import com.clearnlp.reader.AbstractReader;
import com.clearnlp.segmentation.AbstractSegmenter;
import com.clearnlp.tokenization.AbstractTokenizer;
import com.clearnlp.util.UTArray;
import com.clearnlp.util.UTInput;
import com.clearnlp.util.UTOutput;
/**
* @since 1.1.0
* @author Jinho D. Choi ({@code jdchoi77@gmail.com})
*/
public class Tokenizer extends AbstractRun
{
@Option(name="-i", usage="input path (required)", required=true, metaVar="<filepath>")
private String s_inputPath;
@Option(name="-ie", usage="input file extension (default: .*)", required=false, metaVar="<regex>")
private String s_inputExt = ".*";
@Option(name="-oe", usage="output file extension (default: tok)", required=false, metaVar="<string>")
private String s_outputExt = "tok";
@Option(name="-l", usage="language (default: "+AbstractReader.LANG_EN+")", required=false, metaVar="<language>")
private String s_language = AbstractReader.LANG_EN;
@Option(name="-if", usage="input format (default: "+AbstractReader.TYPE_RAW+")", required=false, metaVar="<string>")
private String i_format = AbstractReader.TYPE_RAW;
@Option(name="-of", usage="output format (default: "+AbstractReader.TYPE_LINE+")", required=false, metaVar="<string>")
private String o_format = AbstractReader.TYPE_LINE;
@Option(name="-twit", usage="if set, do not tokenize special punctuation used in twitter", required=false, metaVar="<boolean>")
protected boolean b_twit;
public Tokenizer() {}
public Tokenizer(String[] args)
{
initArgs(args);
try
{
AbstractTokenizer tokenizer = NLPGetter.getTokenizer(s_language);
AbstractSegmenter segmenter = i_format.equals(AbstractReader.TYPE_RAW) ? NLPGetter.getSegmenter(s_language, tokenizer) : null;
List<String[]> filenames = getFilenames(s_inputPath, s_inputExt, s_outputExt);
boolean outLine = o_format.equals(AbstractReader.TYPE_LINE);
tokenizer.setTwit(b_twit);
for (String[] io : filenames)
{
System.out.println(io[0]);
tokenize(tokenizer, segmenter, io[0], io[1], outLine);
}
}
catch (IOException e) {e.printStackTrace();}
}
public void tokenize(AbstractTokenizer tokenizer, AbstractSegmenter segmenter, String inputFile, String outputFile, boolean outLine) throws IOException
{
BufferedReader fin = UTInput.createBufferedFileReader(inputFile);
PrintStream fout = UTOutput.createPrintBufferedFileStream(outputFile);
if (segmenter == null)
{
String line;
while ((line = fin.readLine()) != null)
print(fout, tokenizer.getTokens(line), outLine);
}
else
{
for (List<String> tokens : segmenter.getSentences(fin))
print(fout, tokens, outLine);
}
fin.close();
fout.close();
}
private void print(PrintStream fout, List<String> tokens, boolean outLine)
{
if (outLine)
fout.println(UTArray.join(tokens, " "));
else
fout.println(UTArray.join(tokens, "\n")+"\n");
}
static public void main(String[] args)
{
new Tokenizer(args);
}
}