com.inet.lib.less.SelectorTokenizer Maven / Gradle / Ivy
/**
* MIT License (MIT)
*
* Copyright (c) 2014 - 2015 Volker Berlin
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* UT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
* @author Volker Berlin
* @license: The MIT license
*/
package com.inet.lib.less;
/**
* Split a Selector string in single selectors.
*/
class SelectorTokenizer {
private final String selector;
private int idx, lastIdx;
SelectorTokenizer( String selector ) {
this.selector = selector;
}
String next() {
if( lastIdx >= selector.length() ) {
return null;
}
LOOP: do {
if( ++idx == selector.length() ) {
break LOOP;
}
switch( selector.charAt( idx ) ) {
case '.':
case '#':
case ':':
break LOOP;
}
} while( true );
String str = selector.substring( lastIdx, idx ).trim();
lastIdx = idx;
return str;
}
}