/*
* Copyright (C) 2007-2011 Geometer Plus <contact@geometerplus.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.geometerplus.fbreader.formats.util;
import org.geometerplus.zlibrary.core.filesystem.ZLFile;
public class MiscUtil {
public static String htmlDirectoryPrefix(ZLFile file) {
String shortName = file.getShortName();
String path = file.getPath();
return path.substring(0, path.length() - shortName.length());
}
public static String archiveEntryName(String fullPath) {
final int index = fullPath.lastIndexOf(':');
return (index >= 2) ? fullPath.substring(index + 1) : fullPath;
}
private static boolean isHexDigit(char ch) {
return
(ch >= '0' && ch <= '9') ||
(ch >= 'a' && ch <= 'f') ||
(ch >= 'A' && ch <= 'F');
}
public static String decodeHtmlReference(String name) {
int index = 0;
while (true) {
index = name.indexOf('%', index);
if (index == -1 || index >= name.length() - 2) {
break;
}
if (isHexDigit(name.charAt(index + 1)) &&
isHexDigit(name.charAt(index + 2))) {
char c = 0;
try {
c = (char)Integer.decode("0x" + name.substring(index + 1, index + 3)).intValue();
} catch (NumberFormatException e) {
}
name = name.substring(0, index) + c + name.substring(index + 3);
}
index = index + 1;
}
return name;
}
}