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Free Java Reporting Library
/*
* JasperReports - Free Java Reporting Library.
* Copyright (C) 2001 - 2019 TIBCO Software Inc. All rights reserved.
* http://www.jaspersoft.com
*
* Unless you have purchased a commercial license agreement from Jaspersoft,
* the following license terms apply:
*
* This program is part of JasperReports.
*
* JasperReports is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* JasperReports 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with JasperReports. If not, see .
*/
package net.sf.jasperreports.engine.util;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import com.ibm.icu.lang.UScript;
/**
* @author Lucian Chirita ([email protected])
*/
public class CharScriptsSet
{
private Set includedScripts;
private Set excludedScripts;
private boolean excludedCommon;
private boolean excludedInherited;
public CharScriptsSet(List includedScriptNames, List excludedScriptNames)
{
if (includedScriptNames != null)
{
includedScripts = new HashSet(includedScriptNames.size() * 4 / 3, .75f);
for (String script : includedScriptNames)
{
int scriptCode = resolveScript(script);
if (scriptCode != UScript.INVALID_CODE)
{
includedScripts.add(scriptCode);
}
}
if (includedScripts.isEmpty())
{
includedScripts = null;
}
}
if (excludedScriptNames != null)
{
excludedScripts = new HashSet(excludedScriptNames.size() * 4 / 3, .75f);
for (String script : excludedScriptNames)
{
int scriptCode = resolveScript(script);
if (scriptCode != UScript.INVALID_CODE)
{
excludedScripts.add(scriptCode);
}
}
if (excludedScripts.isEmpty())
{
excludedScripts = null;
}
else
{
excludedCommon = excludedScripts.contains(UScript.COMMON);
excludedInherited = excludedScripts.contains(UScript.INHERITED);
}
}
}
private int resolveScript(String script)
{
int scriptCode = UScript.getCodeFromName(script);
return scriptCode;
}
public boolean includesCharacter(int codePoint)
{
if (includedScripts == null && excludedScripts == null)
{
return true;
}
int codeScript = UScript.getScript(codePoint);
if (codeScript == UScript.UNKNOWN)
{
//include by default
return true;
}
if (codeScript == UScript.COMMON)
{
//COMMON is included unless explicitly excluded
return !excludedCommon;
}
if (codeScript == UScript.INHERITED)
{
//INHERITED is included unless explicitly excluded
return !excludedInherited;
}
if (includedScripts != null && includedScripts.contains(codeScript))
{
//the codepoint script is explicitly included
return true;
}
if (excludedScripts != null && excludedScripts.contains(codeScript))
{
//the codepoint script is explicitly excluded
return false;
}
if (includedScripts == null)
{
//not excluded
return true;
}
for (Integer script : includedScripts)
{
if (UScript.hasScript(codePoint, script))
{
//included as a secondary/extension script
return true;
}
}
//not included
return false;
}
}