/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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 org.apache.uima.ruta.ide.core.parser; | |
import org.antlr.runtime.Token; | |
import org.eclipse.dltk.ast.DLTKToken; | |
public class DLTKTokenConverter { | |
String content; | |
CodeModel model; | |
private static class CodeModel { | |
private String[] codeLines; | |
private int[] codeLineLengths; | |
public CodeModel(String code) { | |
this.codeLines = code.split("\n"); | |
int count = this.codeLines.length; | |
this.codeLineLengths = new int[count]; | |
int sum = 0; | |
for (int i = 0; i < count; ++i) { | |
this.codeLineLengths[i] = sum; | |
sum += this.codeLines[i].length() + 1; | |
} | |
} | |
public int[] getBounds(int lineNumber) { | |
String codeLine = codeLines[lineNumber]; | |
int start = codeLineLengths[lineNumber]; | |
int end = start + codeLine.length(); | |
return new int[] { start, end }; | |
} | |
} | |
public DLTKTokenConverter(char[] content0) { | |
this.content = new String(content0); | |
this.model = new CodeModel(content); | |
} | |
/** | |
* @param token | |
* @return | |
*/ | |
@Deprecated | |
public DLTKToken convert(Token token) { | |
if (token == null) { | |
DLTKToken t = new DLTKToken(0, ""); | |
t.setLine(1); | |
return t; | |
} | |
int line = token.getLine() - 1; | |
if (line < 0) { | |
line = 0; | |
} | |
int[] bounds = this.model.getBounds(line); | |
DLTKToken t = new DLTKToken(token.getType(), token.getText()); | |
int offset = token.getCharPositionInLine(); | |
if (offset < 0) { | |
offset = 0; | |
} | |
t.setColumn(bounds[0] + offset); | |
t.setLine(line); | |
return t; | |
} | |
public int convert(int line, int offset) { | |
if (line > 0) { | |
int[] bounds = this.model.getBounds(line - 1); | |
return bounds[0] + offset; | |
} | |
return offset; | |
} | |
@Deprecated | |
public int length() { | |
return this.content.length(); | |
} | |
} |