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Styled XML parser is used by iText modules to parse HTML and XML
/*
This file is part of the iText (R) project.
Copyright (c) 1998-2020 iText Group NV
Authors: Bruno Lowagie, Paulo Soares, et al.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License version 3
as published by the Free Software Foundation with the addition of the
following permission added to Section 15 as permitted in Section 7(a):
FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
OF THIRD PARTY RIGHTS
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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program; if not, see http://www.gnu.org/licenses or write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA, 02110-1301 USA, or download the license from the following URL:
http://itextpdf.com/terms-of-use/
The interactive user interfaces in modified source and object code versions
of this program must display Appropriate Legal Notices, as required under
Section 5 of the GNU Affero General Public License.
In accordance with Section 7(b) of the GNU Affero General Public License,
a covered work must retain the producer line in every PDF that is created
or manipulated using iText.
You can be released from the requirements of the license by purchasing
a commercial license. Buying such a license is mandatory as soon as you
develop commercial activities involving the iText software without
disclosing the source code of your own applications.
These activities include: offering paid services to customers as an ASP,
serving PDFs on the fly in a web application, shipping iText with a closed
source product.
For more information, please contact iText Software Corp. at this
address: [email protected]
*/
package com.itextpdf.styledxmlparser;
import java.io.BufferedReader;
import java.io.Reader;
import java.util.regex.Pattern;
/**
* This file is a helper class for internal usage only.
* Be aware that its API and functionality may be changed in future.
*/
public class PortUtil {
/**
* Instantiates a {@link PortUtil} instance.
*/
private PortUtil() {
}
/**
* Wraps a {@link Reader} instance in a {@link BufferedReader}.
*
* @param inputStreamReader the original reader
* @return the buffered reader
*/
public static Reader wrapInBufferedReader(Reader inputStreamReader) {
return new BufferedReader(inputStreamReader);
}
/**
* By default "." symbol in regular expressions does not match line terminators.
* The issue is more complicated by the fact that "." does not match only "\n" in C#, while it does not
* match several other characters as well in Java.
* This utility method creates a pattern in which dots match any character, including line terminators
* @param regex regular expression string
* @return pattern in which dot characters match any Unicode char, including line terminators
*/
public static Pattern createRegexPatternWithDotMatchingNewlines(String regex) {
return Pattern.compile(regex, Pattern.DOTALL);
}
}