/*
* Copyright 2008 biaoping.yin
*
* 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 org.frameworkset.spi.assemble;
import java.util.ArrayList;
import java.util.List;
import org.frameworkset.spi.assemble.RefID.Index;
/**
* <p>Title: RefIDUtil.java</p>
* <p>Description: </p>
* <p>bboss workgroup</p>
* <p>Copyright (c) 2007</p>
* @Date 2012-1-2 下午10:02:32
* @author biaoping.yin
* @version 1.0
*/
public class RefIDUtil {
public static RefID parsedRefID(String refid)
{
char[] tokens = refid.toCharArray();
StringBuffer name = new StringBuffer();
StringBuffer index = new StringBuffer();
RefID ref = null;
RefID header = null;
List<Index> indexs = null;
boolean indexstart = false;
boolean namestart = true;
int len = tokens.length-1;
boolean isConstruction = false;
for(int i = 0; i < tokens.length; i ++)
{
if(tokens[i] == '-' && i < len && tokens[i+1] == '>')
{
i ++;
if(ref == null)
{
ref = new RefID();
ref.setName(name.toString());
ref.setIndexs(indexs);
// ref.setInconstruction(isConstruction);
header = ref;
}
else
{
RefID ref_old = ref;
ref = new RefID();
ref.setParent(ref_old);
ref_old.setNext(ref);
ref.setName(name.toString());
// ref.setInconstruction(isConstruction);
ref.setIndexs(indexs);
}
namestart = true;
indexstart = false;
isConstruction = false;
indexs = null;
name.setLength(0);
}
else if(tokens[i] == '[')
{
i ++;
namestart = false;
indexstart = true;
isConstruction = false;
index.append(tokens[i]);
}
else if(tokens[i] == ']')
{
// i ++;
if(indexs == null)
indexs = new ArrayList<Index>(1);
if(i < len && tokens[i+1] != '[') //如果后续字符还是[开头，则继续计算下一维索引标识，
{
// index.append(tokens[i]);
String t = index.toString();
try {
indexs.add(new Index(Integer.parseInt(t),isConstruction));
} catch (Throwable e) {
indexs.add(new Index(t,isConstruction));
}
namestart = true;
indexstart = false;
isConstruction = false;
index.setLength(0);
}
else
{
i ++;
String t = index.toString();
try {
indexs.add(new Index(Integer.parseInt(t),isConstruction));
} catch (Throwable e) {
indexs.add(new Index(t,isConstruction));
}
index.setLength(0);
}
}
else if(tokens[i] == '{')
{
i ++;
namestart = false;
indexstart = true;
isConstruction = true;
index.append(tokens[i]);
}
else if(tokens[i] == '}')
{
// i ++;
if(indexs == null)
indexs = new ArrayList<Index>(1);
if(i < len && tokens[i+1] != '{') //如果后续字符还是[开头，则继续计算下一维索引标识，
{
// index.append(tokens[i]);
String t = index.toString();
try {
indexs.add(new Index(Integer.parseInt(t),isConstruction));
} catch (Throwable e) {
indexs.add(new Index(t,isConstruction));
}
namestart = true;
indexstart = false;
isConstruction = false;
index.setLength(0);
}
else
{
i ++;
String t = index.toString();
try {
indexs.add(new Index(Integer.parseInt(t),isConstruction));
} catch (Throwable e) {
indexs.add(new Index(t,isConstruction));
}
index.setLength(0);
}
}
else
{
if(namestart)
name.append(tokens[i]);
else
index.append(tokens[i]);
}
}
if(name.length() > 0)
{
if(index.length() > 0)
{
if(indexs == null)
indexs = new ArrayList<Index>(1);
String t = index.toString();
try {
indexs.add(new Index(Integer.parseInt(t),isConstruction));
} catch (Throwable e) {
indexs.add(new Index(t,isConstruction));
}
index.setLength(0);
}
if(ref == null)
{
ref = new RefID();
ref.setName(name.toString());
ref.setIndexs(indexs);
header = ref;
}
else
{
RefID ref_old = ref;
ref = new RefID();
ref.setParent(ref_old);
ref_old.setNext(ref);
ref.setName(name.toString());
ref.setIndexs(indexs);
}
}
return header;
}
}