/*
* Copyright 2000-2016 Vaadin Ltd.
*
* 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 com.vaadin.client.componentlocator;
import com.google.gwt.regexp.shared.RegExp;
/**
* Common String manipulator utilities used in VaadinFinderLocatorStrategy and
* SelectorPredicates.
*
* @since 7.2
* @author Vaadin Ltd
*/
public class LocatorUtil {
/**
* Find first occurrence of character that's not inside quotes starting from
* specified index.
*
* @param str
* Full string for searching
* @param find
* Character we want to find
* @param startingAt
* Index where we start
* @return Index of character. -1 if character not found
*/
protected static int indexOfIgnoringQuoted(String str, char find,
int startingAt) {
boolean quote = false;
String quoteChars = "'\"";
char currentQuote = '"';
for (int i = startingAt; i < str.length(); ++i) {
char cur = str.charAt(i);
if (quote) {
if (cur == currentQuote) {
quote = !quote;
}
continue;
} else if (cur == find) {
return i;
} else {
if (quoteChars.indexOf(cur) >= 0) {
currentQuote = cur;
quote = !quote;
}
}
}
return -1;
}
/**
* Find first occurrence of character that's not inside quotes starting from
* the beginning of string.
*
* @param str
* Full string for searching
* @param find
* Character we want to find
* @return Index of character. -1 if character not found
*/
protected static int indexOfIgnoringQuoted(String str, char find) {
return indexOfIgnoringQuoted(str, find, 0);
}
/**
* Checks if path refers to vaadin UI element com.vaadin.ui.UI.
*
* @param path
* to vaadin element
* @return true if path refers to UI element, false otherwise
*/
public static boolean isUIElement(String path) {
String regex = "^\\/{0,2}(com\\.vaadin\\.ui\\.)?V?UI[\\/\\[]?";
RegExp regexp = RegExp.compile(regex);
return regexp.test(path);
}
/**
* Checks if path refers to vaadin Notification element
* com.vaadin.ui.Notification.
*
* @param path
* to vaadin element
* @return true if path refers to Notification element, false otherwise
*/
public static boolean isNotificationElement(String path) {
String regex = "^\\/{0,2}(com\\.vaadin\\.ui\\.)?V?Notification[\\/\\[]?";
RegExp regexp = RegExp.compile(regex);
return regexp.test(path);
}
}