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package com.modulus.qbar.lang;
import java.util.HashMap;
import java.util.Map;
import com.modulus.qbar.core.QBObject;
import com.modulus.qbar.core.QBStruct;
import com.modulus.qbar.core.exceptions.ParseException;
import com.modulus.qbar.core.primitive.QBChar;
public class QBString extends QBArrayList {
public static final QBStruct string = new QBStruct("String", QBList.list){
};
private static Map<String, String> escapes = new HashMap<String, String>();
static{
string.addSuperStruct(QBArrayList.arrayListStruct);
escapes.put("\\n", "\n");
escapes.put("\\\\", "\\");
escapes.put("\\r", "\r");
escapes.put("\\t", "\t");
escapes.put("\\\"", "\"");
escapes.put("\\'", "'");
}
public QBString(QBChar[] objs) {
super(objs, string);
}
public QBString(String str, boolean parse){
this( dynamicCast(str,parse) );
}
@Override
public String getWrapped(){
StringBuffer buf = new StringBuffer();
for(int i = 0;i < this.size();i++)
buf.append( this.get(i) );
return buf.toString();
}
private static QBChar[] dynamicCast(String str, boolean parse){
if(parse)
str = parseString(str);
char[] chars = str.toCharArray();
QBChar[] chars2 = new QBChar[chars.length];
for(int i =0 ;i < chars.length;i++)
chars2[i] = new QBChar(chars[i]);
return chars2;
}
public String toString(){
return this.getWrapped();
}
@Override
public QBArrayList append(QBObject obj){
String str1 = this.toString();
String str2 = obj.toString();
return new QBString(str1 + str2, false);
}
@Override
public QBObject add(QBObject obj){
String str = obj.toString();
for(int i = 0;i < str.length();i++){
super.add( new QBChar(str.charAt(i)) );
}
return this;
}
private static String parseString(String str){
StringBuffer buf = new StringBuffer();
boolean escaped = false;
for( int i = 0;i < str.length();i ++){
if(str.startsWith("\\", i)){
for ( String key : escapes.keySet() ){
// System.out.printf("str.startsWith( %s, %s )\n", key, i);
if( str.startsWith(key, i) ){
buf.append( escapes.get(key) );
i++;
escaped = true;
break;
}
}
}
if(!escaped){
buf.append(str.charAt(i));
} else {
escaped = false;
}
}
return buf.toString();
}
}
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