/**************************************************************************
OmegaT - Computer Assisted Translation (CAT) tool
with fuzzy matching, translation memory, keyword search,
glossaries, and translation leveraging into updated projects.
Copyright (C) 2000-2006 Keith Godfrey and Maxym Mykhalchuk
2009-2010 Alex Buloichik
2011 Alex Buloichik, Didier Briel
Home page: http://www.omegat.org/
Support center: http://groups.yahoo.com/group/OmegaT/
This file is part of OmegaT.
OmegaT 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 3 of the License, or
(at your option) any later version.
OmegaT 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, see <http://www.gnu.org/licenses/>.
**************************************************************************/
package org.omegat.filters2.text.ini;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;
import org.omegat.filters2.AbstractFilter;
import org.omegat.filters2.FilterContext;
import org.omegat.filters2.Instance;
import org.omegat.util.LinebreakPreservingReader;
import org.omegat.util.NullBufferedWriter;
import org.omegat.util.OStrings;
import org.omegat.util.StringUtil;
/**
* Filter to support Files with Key=Value pairs, which are sometimes used for
* i18n of software.
*
* @author Maxym Mykhalchuk
* @author Alex Buloichik
* @author Didier Briel
*/
public class INIFilter extends AbstractFilter {
protected Map<String, String> align;
public String getFileFormatName() {
return OStrings.getString("INIFILTER_FILTER_NAME");
}
public boolean isSourceEncodingVariable() {
return true;
}
public boolean isTargetEncodingVariable() {
return true;
}
public Instance[] getDefaultInstances() {
return new Instance[] { new Instance("*.ini"),
new Instance("*.lng"),
new Instance("*.strings", StandardCharsets.UTF_8.name(), StandardCharsets.UTF_8.name()) };
}
/**
* Trims the string from left.
*/
private String leftTrim(String s) {
int i = 0;
while (i < s.length()) {
int cp = s.codePointAt(i);
if (cp != ' ' && cp != '\t') {
break;
}
i += Character.charCount(cp);
}
return s.substring(i, s.length());
}
/**
* Doing the processing of the file...
*/
@Override
public void processFile(BufferedReader reader, BufferedWriter outfile, FilterContext fc) throws IOException {
LinebreakPreservingReader lbpr = new LinebreakPreservingReader(reader); // fix for bug 1462566
String str;
String group = null;
while ((str = lbpr.readLine()) != null) {
String trimmed = str.trim();
// skipping empty strings and comments
if (trimmed.isEmpty() || trimmed.codePointAt(0) == '#' || trimmed.codePointAt(0) == ';') {
// outfile.write(str+"\n");
outfile.write(str);
outfile.write(lbpr.getLinebreak()); // fix for bug 1462566
continue;
}
if (trimmed.startsWith("[") && trimmed.endsWith("]")) {
// group name
group = trimmed.substring(trimmed.offsetByCodePoints(0, 1),
trimmed.offsetByCodePoints(trimmed.length(), -1));
}
// key=value pairs
int equalsPos = str.indexOf('=');
// if there's no separator, assume it's a key w/o a value
if (equalsPos == -1) {
equalsPos = str.offsetByCodePoints(str.length(), -1);
}
// advance if there're spaces after =
while (str.codePointCount(equalsPos, str.length()) > 1) {
int nextOffset = str.offsetByCodePoints(equalsPos, 1);
if (str.codePointAt(nextOffset) != ' ') {
break;
}
equalsPos = nextOffset;
}
int afterEqualsPos = str.offsetByCodePoints(equalsPos, 1);
// writing out everything before = (and = itself)
outfile.write(str.substring(0, afterEqualsPos));
String key = (group != null ? group + '/' : "") + str.substring(0, equalsPos).trim();
String value = str.substring(afterEqualsPos);
value = leftTrim(value);
if (entryAlignCallback != null) {
align.put(key, value);
} else if (entryParseCallback != null) {
entryParseCallback.addEntry(key, value, null, false, null, null, this, null);
} else if (entryTranslateCallback != null) {
String trans = entryTranslateCallback.getTranslation(key, value, null);
if (trans == null) {
trans = value;
}
outfile.write(trans);
// outfile.write("\n");
outfile.write(lbpr.getLinebreak()); // fix for bug 1462566
}
}
lbpr.close();
}
@Override
protected void alignFile(BufferedReader sourceFile, BufferedReader translatedFile, org.omegat.filters2.FilterContext fc) throws Exception {
Map<String, String> source = new HashMap<String, String>();
Map<String, String> translated = new HashMap<String, String>();
align = source;
processFile(sourceFile, new NullBufferedWriter(), fc);
align = translated;
processFile(translatedFile, new NullBufferedWriter(), fc);
for (Map.Entry<String, String> en : source.entrySet()) {
String tr = translated.get(en.getKey());
if (!StringUtil.isEmpty(tr)) {
entryAlignCallback.addTranslation(en.getKey(), en.getValue(), tr, false, null, this);
}
}
}
}