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/**
* @file
* @author 2012-2013 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* 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.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#ifndef DOMUTILS_H_WK0WAEA7
#define DOMUTILS_H_WK0WAEA7
#include <set>
#include <list>
#include <string>
#include "uscxml/Common.h"
#include <xercesc/util/XMLString.hpp>
#include <xercesc/dom/DOM.hpp>
#define HAS_ATTR(elem, attr) (elem)->hasAttribute(attr)
#define HAS_ATTR_CAST(elem, attr) HAS_ATTR(static_cast<const DOMElement*>(elem), attr)
#define ATTR(elem, attr) std::string(X((elem)->getAttribute(attr)))
#define ATTR_CAST(elem, attr) ATTR(static_cast<const DOMElement*>(elem), attr)
#define TAGNAME(elem) std::string(X((elem)->getTagName()))
#define TAGNAME_CAST(elem) TAGNAME(static_cast<const DOMElement*>(elem))
#define LOCALNAME(elem) std::string(X((elem)->getLocalName()))
#define LOCALNAME_CAST(elem) LOCALNAME(static_cast<const DOMElement*>(elem))
namespace uscxml {
class USCXML_API DOMUtils {
public:
static const XERCESC_NS::DOMElement* getNearestAncestor(const XERCESC_NS::DOMNode* node, const std::string tagName);
static bool isDescendant(const XERCESC_NS::DOMNode* s1, const XERCESC_NS::DOMNode* s2);
static bool hasIntersection(const std::list<XERCESC_NS::DOMElement*>& l1,
const std::list<XERCESC_NS::DOMElement*>& l2);
static bool isMember(const XERCESC_NS::DOMElement* node, const std::list<XERCESC_NS::DOMElement*>& list);
static bool isMember(const XERCESC_NS::DOMNode* node, const std::list<XERCESC_NS::DOMNode*>& list);
static bool isMember(const XERCESC_NS::DOMNode* node, const XERCESC_NS::DOMNodeList* list);
static std::string xPathForNode(const XERCESC_NS::DOMNode* node, const std::string& ns = "");
static std::string idForNode(const XERCESC_NS::DOMNode* node);
static std::list<XERCESC_NS::DOMElement*> inPostFixOrder(const std::set<std::string>& elements,
const XERCESC_NS::DOMElement* root,
const bool includeEmbeddedDoc = false) {
return filterElementGeneric(elements, root, POSTFIX, includeEmbeddedDoc, true);
}
static std::list<XERCESC_NS::DOMElement*> inDocumentOrder(const std::set<std::string>& elements,
const XERCESC_NS::DOMElement* root,
const bool includeEmbeddedDoc = false) {
return filterElementGeneric(elements, root, DOCUMENT, includeEmbeddedDoc, true);
}
static std::list<XERCESC_NS::DOMElement*> filterChildElements(const std::string& tagName,
const XERCESC_NS::DOMElement* node,
bool recurse = false) {
return filterElementGeneric({ tagName }, node, (recurse ? DOCUMENT : NO_RECURSE), true, false);
}
static std::list<XERCESC_NS::DOMElement*> filterChildElements(const std::string& tagName,
const std::list<XERCESC_NS::DOMElement*>& nodeSet,
bool recurse = false);
static std::list<XERCESC_NS::DOMNode*> filterChildType(const XERCESC_NS::DOMNode::NodeType type,
const XERCESC_NS::DOMNode* node,
bool recurse = false) {
return filterTypeGeneric({ type }, node, (recurse ? DOCUMENT : NO_RECURSE), true, false);
}
static std::list<XERCESC_NS::DOMNode*> filterChildType(const XERCESC_NS::DOMNode::NodeType type,
const std::list<XERCESC_NS::DOMNode*>& nodeSet,
bool recurse = false);
enum Order {
POSTFIX,
DOCUMENT,
NO_RECURSE
};
static void filterElementGeneric(const std::set<std::string>& elements,
std::list<XERCESC_NS::DOMElement*>& result,
const XERCESC_NS::DOMElement* root,
const Order order,
const bool includeEmbeddedDoc,
const bool includeRoot);
static std::list<XERCESC_NS::DOMElement*> filterElementGeneric(const std::set<std::string>& elements,
const XERCESC_NS::DOMElement* root,
const Order order,
const bool includeEmbeddedDoc,
const bool includeRoot);
static void filterTypeGeneric(const std::set<XERCESC_NS::DOMNode::NodeType>& types,
std::list<XERCESC_NS::DOMNode*>& result,
const XERCESC_NS::DOMNode* root,
const Order order,
const bool includeEmbeddedDoc,
const bool includeRoot);
static std::list<XERCESC_NS::DOMNode*> filterTypeGeneric(const std::set<XERCESC_NS::DOMNode::NodeType>& types,
const XERCESC_NS::DOMNode* root,
const Order order,
const bool includeEmbeddedDoc,
const bool includeRoot);
};
// create a prefix from a given element - useful for copying namespace information
#define XML_PREFIX(element) X(element->getPrefix() ? X(element->getPrefix()).str() + ":" : "")
/**
* @todo: More performant XercesStrings
* https://alfps.wordpress.com/2010/05/27/cppx-xerces-strings-simplified-by-ownership-part-i/
*/
class USCXML_API X {
public :
X(X const &other);
X(const XMLCh* const toTranscode);
X(const std::string& fromTranscode);
X(const char* const fromTranscode);
X(char* fromTranscode);
X() {
_unicodeForm = NULL;
_deallocOther = false;
}
~X();
const std::string& str() const {
return _localForm;
}
int iequals(const XMLCh* const other) const;
operator XMLCh* () const {
assert(_unicodeForm != NULL); // constructor with XMLCh
return _unicodeForm;
}
void operator=(X const &other);
bool operator==(const XMLCh* other) const;
bool operator==(const X& other) const {
return (_localForm == other._localForm) != 0;
}
bool operator!=(const X& other) const {
return !(_unicodeForm == other._unicodeForm);
}
bool operator<(const X& other) const;
operator bool () {
return _localForm.size() > 0;
}
operator std::string () {
return _localForm;
}
protected:
friend USCXML_API std::ostream& operator<< (std::ostream& os, const X& data);
private:
bool _deallocOther;
std::string _localForm;
XMLCh* _unicodeForm;
bool _xercesIsInit = false;
};
static const X kXMLCharScxml = X("scxml");
static const X kXMLCharState = X("state");
static const X kXMLCharParallel = X("parallel");
static const X kXMLCharTransition = X("transition");
static const X kXMLCharInitial = X("initial");
static const X kXMLCharFinal = X("final");
static const X kXMLCharOnEntry = X("onentry");
static const X kXMLCharOnExit = X("onexit");
static const X kXMLCharHistory = X("history");
static const X kXMLCharRaise = X("raise");
static const X kXMLCharIf = X("if");
static const X kXMLCharElseIf = X("elseif");
static const X kXMLCharElse = X("else");
static const X kXMLCharForEach = X("foreach");
static const X kXMLCharLog = X("log");
static const X kXMLCharDataModel = X("datamodel");
static const X kXMLCharData = X("data");
static const X kXMLCharAssign = X("assign");
static const X kXMLCharContent = X("content");
static const X kXMLCharParam = X("param");
static const X kXMLCharScript = X("script");
static const X kXMLCharInvokeId = X("invokeid");
static const X kXMLCharId = X("id");
static const X kXMLCharIdLocation = X("idlocation");
static const X kXMLCharEvent = X("event");
static const X kXMLCharEventExpr = X("eventexpr");
static const X kXMLCharTarget = X("target");
static const X kXMLCharTargetExpr = X("targetexpr");
static const X kXMLCharSource = X("src");
static const X kXMLCharSourceExpr = X("srcexpr");
static const X kXMLCharType = X("type");
static const X kXMLCharTypeExpr = X("typeexpr");
static const X kXMLCharDelay = X("delay");
static const X kXMLCharDelayExpr = X("delayexpr");
static const X kXMLCharSendId = X("sendid");
static const X kXMLCharSendIdExpr = X("sendidexpr");
static const X kXMLCharCond = X("cond");
static const X kXMLCharLocation = X("location");
static const X kXMLCharArray = X("array");
static const X kXMLCharItem = X("item");
static const X kXMLCharIndex = X("index");
static const X kXMLCharLabel = X("label");
static const X kXMLCharExpr = X("expr");
static const X kXMLCharNameList = X("namelist");
static const X kXMLCharAutoForward = X("autoforward");
static const X kXMLCharName = X("name");
static const X kXMLCharBinding = X("binding");
USCXML_API std::ostream& operator<< (std::ostream& os, const X& xmlString);
USCXML_API std::ostream& operator<< (std::ostream& os, const XERCESC_NS::DOMNode& node);
}
#endif /* end of include guard: DOMUTILS_H_WK0WAEA7 */
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