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Parses XML to PDF, with CSS support, using iText
/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2017 iText Group NV
* Authors: Balder Van Camp, Emiel Ackermann, 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.tool.xml.parser;
import com.itextpdf.tool.xml.parser.state.InsideTagHTMLState;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* Wrapper class for different things that need to be kept track of between different states.
*
* @author redlab_b
*
*/
public class XMLParserMemory {
private String currentTag;
private String currentAttr;
private final StringBuilder currentEntity = new StringBuilder();
private final StringBuilder comment = new StringBuilder();
private final StringBuilder baos = new StringBuilder();
private final Map attr;
private String wsTag = "";
private String currentNameSpace = "";
private char lastChar;
private final boolean isHtml;
private String storedString;
/**
*
*/
public XMLParserMemory(boolean isHtml) {
this.attr = new LinkedHashMap();
this.isHtml = isHtml;
}
/**
* Set the encountered tag.
* @param content the tag
*/
public void currentTag(final String content) {
this.currentTag = content;
this.wsTag = content;
this.attr.clear();
}
/**
* Sets the encountered attribute.
* @param attr the attribute
*/
public void currentAttr(final String attr) {
this.currentAttr = attr;
}
/**
* true if there is a currentAttribute
* @return true or false
*/
public boolean hasCurrentAttribute() {
return null != this.currentAttr;
}
/**
* Sets the current attribute value and adds the attribute (if it's not
* null) to the attribute map.
*
* @param content the current attributes value.
*/
public void putCurrentAttrValue(final String content) {
if (null != this.currentAttr) {
if (isHtml) {
attr.put(this.currentAttr.toLowerCase(), content);
} else {
attr.put(this.currentAttr, content);
}
this.currentAttr = null;
}
}
/**
* The current text buffer.
*
* @return current text buffer
*/
public StringBuilder current() {
return baos;
}
/**
* Returns the current tag.
* @return the currentTag
*/
public String getCurrentTag() {
return this.currentTag;
}
/**
* Returns a map of all attributes and their value found on the current tag.
* @return the attributes of the current tag
*/
public Map getAttributes() {
return new LinkedHashMap(this.attr);
}
/**
* Returns the current entity buffer.
* @return a StringBuilder for the current entity
*/
public StringBuilder currentEntity() {
return this.currentEntity;
}
/**
* Returns the xml comment buffer.
*
* @return comment
*/
public StringBuilder comment() {
return this.comment;
}
/**
* Returns last tag that needs to be taken into account for HTML Whitespace handling.
* Used by {@link InsideTagHTMLState}, only for HTML processing.
* @return tag
*/
public String whitespaceTag() {
return this.wsTag ;
}
/**
* Sets the last tag that needs to be taken into account for HTML Whitespace handling.
* Used by {@link InsideTagHTMLState}, only for HTML processing.
* @param tag the tag
*/
public void whitespaceTag(final String tag) {
this.wsTag = tag;
}
/**
* Sets the current namespace.
* @param ns the current namespace
*/
public void namespace(final String ns) {
this.currentNameSpace = ns;
}
/**
* Flushes the namespace memory.
*/
public void flushNameSpace() {
this.currentNameSpace = "";
}
/**
* Get the current namespace.
* @return the current namespace or empty String if no namespace
*/
public String getNameSpace() {
return this.currentNameSpace;
}
/**
* Resets the ByteArrayOutputStream of this class.
*/
public void resetBuffer() {
this.baos.setLength(0);
}
/**
* Set the last char
* @param c the char
*/
public void lastChar(final char c) {
this.lastChar = c;
}
/**
* @return the last char parameter.
*/
public char lastChar() {
return this.lastChar;
}
public String getStoredString() {
return storedString;
}
public void setStoredString(String storedString) {
this.storedString = storedString;
}
}