/*
* 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();
}
}