blob: 58ea539348f4d7d7f23e8f42f3ec5b2fd0403b1a [file] [log] [blame]
package aQute.libg.qtokens;
import java.util.*;
import aQute.libg.generics.*;
public class QuotedTokenizer {
String string;
int index = 0;
String separators;
boolean returnTokens;
boolean ignoreWhiteSpace = true;
String peek;
char separator;
public QuotedTokenizer(String string, String separators, boolean returnTokens ) {
if ( string == null )
throw new IllegalArgumentException("string argument must be not null");
this.string = string;
this.separators = separators;
this.returnTokens = returnTokens;
}
public QuotedTokenizer(String string, String separators) {
this(string,separators,false);
}
public String nextToken(String separators) {
separator = 0;
if ( peek != null ) {
String tmp = peek;
peek = null;
return tmp;
}
if ( index == string.length())
return null;
StringBuilder sb = new StringBuilder();
while (index < string.length()) {
char c = string.charAt(index++);
if ( Character.isWhitespace(c)) {
if ( index == string.length())
break;
sb.append(c);
continue;
}
if (separators.indexOf(c) >= 0) {
if (returnTokens)
peek = Character.toString(c);
else
separator = c;
break;
}
switch (c) {
case '"' :
case '\'' :
quotedString(sb, c);
break;
default :
sb.append(c);
}
}
String result = sb.toString().trim();
if ( result.length()==0 && index==string.length())
return null;
return result;
}
public String nextToken() {
return nextToken(separators);
}
private void quotedString(StringBuilder sb, char c) {
char quote = c;
while (index < string.length()) {
c = string.charAt(index++);
if (c == quote)
break;
if (c == '\\' && index < string.length()
&& string.charAt(index + 1) == quote)
c = string.charAt(index++);
sb.append(c);
}
}
public String[] getTokens() {
return getTokens(0);
}
private String [] getTokens(int cnt){
String token = nextToken();
if ( token == null )
return new String[cnt];
String result[] = getTokens(cnt+1);
result[cnt]=token;
return result;
}
public char getSeparator() { return separator; }
public List<String> getTokenSet() {
List<String> list = Create.list();
String token = nextToken();
while ( token != null ) {
list.add(token);
token = nextToken();
}
return list;
}
}