/*
* Copyright 2013 Vladimir Rudev
*
* 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 ru.crazyproger.plugins.webtoper.nls.parser;
import com.intellij.lang.ASTNode;
import com.intellij.lang.PsiBuilder;
import com.intellij.lang.PsiParser;
import com.intellij.lang.properties.parsing.Parsing;
import com.intellij.lang.properties.parsing.PropertiesElementTypes;
import com.intellij.lang.properties.parsing.PropertiesTokenTypes;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.psi.tree.IElementType;
import org.jetbrains.annotations.NotNull;
import ru.crazyproger.plugins.webtoper.WebtoperBundle;
public class NlsParser implements PsiParser {
private static final Logger LOG = Logger.getInstance("#" + NlsParser.class.getName());
@NotNull
public ASTNode parse(IElementType root, PsiBuilder builder) {
final PsiBuilder.Marker rootMarker = builder.mark();
final PsiBuilder.Marker propertiesList = builder.mark();
while (!builder.eof()) {
if (builder.getTokenType() == NlsTokenTypes.INCLUDE_KEYWORD) {
parseInclude(builder);
} else {
Parsing.parseProperty(builder);
}
}
propertiesList.done(PropertiesElementTypes.PROPERTIES_LIST);
rootMarker.done(root);
return builder.getTreeBuilt();
}
private void parseInclude(PsiBuilder builder) {
LOG.assertTrue(builder.getTokenType() == NlsTokenTypes.INCLUDE_KEYWORD);
final PsiBuilder.Marker includePropertyMarker = builder.mark();
builder.advanceLexer();
if (builder.getTokenType() != PropertiesTokenTypes.KEY_VALUE_SEPARATOR) {
error(builder, "nls.separator.expected.parsing.error.message");
} else {
builder.advanceLexer();
final PsiBuilder.Marker includesListMarker = builder.mark();
if (builder.getTokenType() == NlsTokenTypes.NLS_NAME) {
parseNlsName(builder);
while (builder.getTokenType() == NlsTokenTypes.NLS_SEPARATOR) {
builder.advanceLexer();
if (builder.getTokenType() == NlsTokenTypes.NLS_NAME) {
parseNlsName(builder);
} else {
error(builder, "nls.name.expected.parsing.error.message");
}
}
} else {
error(builder, "nls.name.expected.parsing.error.message");
}
includesListMarker.done(NlsElementTypes.INCLUDES_LIST);
}
includePropertyMarker.done(NlsElementTypes.INCLUDE_PROPERTY);
}
private void error(PsiBuilder builder, String errorKey) {
builder.advanceLexer();
builder.error(WebtoperBundle.message(errorKey));
}
private void parseNlsName(PsiBuilder builder) {
builder.advanceLexer();
}
}