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/******************************************************************************
*
* utilxml.h - class XMLTag: utility class which helps work with XML tags
*
* $Id: utilxml.h 3786 2020-08-30 11:35:14Z scribe $
*
* Copyright 2003-2013 CrossWire Bible Society (http://www.crosswire.org)
* CrossWire Bible Society
* P. O. Box 2528
* Tempe, AZ 85280-2528
*
* 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 version 2.
*
* 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.
*
*/
#ifndef UTILXML_H
#define UTILXML_H
#include <defs.h>
#include <swbuf.h>
#include <list>
#include <map>
SWORD_NAMESPACE_START
typedef std::map<SWBuf, SWBuf> StringPairMap;
typedef std::list<SWBuf> StringList;
/** Simple XML helper class.
*/
class SWDLLEXPORT XMLTag {
private:
mutable char *buf;
char *name;
mutable bool parsed;
mutable bool empty;
mutable bool endTag;
mutable StringPairMap attributes;
mutable SWBuf junkBuf;
void parse() const;
const char *getPart(const char *buf, int partNum = 0, char partSplit = '|') const;
public:
XMLTag(const char *tagString = 0);
XMLTag(const XMLTag& tag);
~XMLTag();
void setText(const char *tagString);
inline const char *getName() const { return (name) ? name : SWBuf::nullStr; }
inline bool isEmpty() const {
if (!parsed)
parse();
return empty;
}
inline void setEmpty(bool value) {
if (!parsed)
parse();
empty = value;
if (value)
endTag = false;
}
/***
* if an eID is provided, then we check to be sure we have an attribute <tag eID="xxx"/> value xxx equiv to what is given us
* otherwise, we return if we're a simple XML end </tag>.
*/
bool isEndTag(const char *eID = 0) const;
inline void setEndTag(bool value) {
if (!parsed)
parse();
endTag = value;
if (value)
empty = false;
}
const StringList getAttributeNames() const;
int getAttributePartCount(const char *attribName, char partSplit = '|') const;
// return values should not be considered to persist beyond the return of the function.
const char *getAttribute(const char *attribName, int partNum = -1, char partSplit = '|') const;
const char *setAttribute(const char *attribName, const char *attribValue, int partNum = -1, char partSplit = '|');
const char *toString() const;
inline operator const char *() const { return toString(); }
inline XMLTag & operator =(const char *tagString) { setText(tagString); return *this; }
inline XMLTag & operator =(const XMLTag &other) { setText(other.toString()); return *this; }
};
SWORD_NAMESPACE_END
#endif
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