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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(X(attr))
#define HAS_ATTR_CAST(elem, attr) HAS_ATTR(static_cast<const DOMElement*>(elem), attr)
#define ATTR(elem, attr) std::string(X((elem)->getAttribute(X(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() + ":" : "")
#if 1
/**
* @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) {
_localForm = other._localForm;
_unicodeForm = XERCESC_NS::XMLString::replicate(other._unicodeForm);
_deallocOther = true;
}
void operator=(X const &other) { // did we maybe leak before?
_localForm = other._localForm;
_unicodeForm = XERCESC_NS::XMLString::replicate(other._unicodeForm);
_deallocOther = true;
}
X(const XMLCh* const toTranscode) {
if (toTranscode != NULL) {
// Call the private transcoding method
char* tmp = XERCESC_NS::XMLString::transcode(toTranscode);
_localForm = std::string(tmp);
XERCESC_NS::XMLString::release(&tmp);
}
_unicodeForm = NULL;
_deallocOther = false;
}
X(const std::string& fromTranscode) {
// Call the private transcoding method
_localForm = fromTranscode;
_unicodeForm = XERCESC_NS::XMLString::transcode(fromTranscode.c_str());
_deallocOther = true;
}
X(const char* const fromTranscode) {
// Call the private transcoding method
_localForm = fromTranscode;
_unicodeForm = XERCESC_NS::XMLString::transcode(fromTranscode);
_deallocOther = true;
}
X(char* fromTranscode) {
// Call the private transcoding method
_localForm = fromTranscode;
_unicodeForm = XERCESC_NS::XMLString::transcode(fromTranscode);
_deallocOther = true;
}
X() {
_unicodeForm = NULL;
_deallocOther = false;
}
~X() {
if (_deallocOther)
XERCESC_NS::XMLString::release(&_unicodeForm);
}
const std::string& str() const {
return _localForm;
}
operator const XMLCh* () {
assert(_unicodeForm != NULL); // constructor with XMLCh
return _unicodeForm;
}
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;
};
#else
class USCXML_API X {
public :
X() {
}
void operator=(X const &other) {
localForm = other.localForm;
if (unicodeForm != NULL) {
XERCESC_NS::XMLString::release(&unicodeForm);
}
unicodeForm = XERCESC_NS::XMLString::replicate(other.unicodeForm);
}
X(X const &other) {
localForm = other.localForm;
unicodeForm = XERCESC_NS::XMLString::replicate(other.unicodeForm);
}
X(const char* const toTranscode) {
if (toTranscode != NULL) {
localForm = toTranscode;
unicodeForm = XERCESC_NS::XMLString::transcode(toTranscode);
}
}
X(const XMLCh* toTranscode) {
if (toTranscode != NULL) {
unicodeForm = XERCESC_NS::XMLString::replicate(toTranscode);
localForm = XERCESC_NS::XMLString::transcode(toTranscode);
}
}
X(const std::string& toTranscode) {
localForm = toTranscode;
unicodeForm = XERCESC_NS::XMLString::transcode(toTranscode.c_str());
}
~X() {
if (unicodeForm != NULL) {
XERCESC_NS::XMLString::release(&unicodeForm);
}
}
operator XMLCh* () const {
return unicodeForm;
}
operator const std::string& () {
return localForm;
}
const std::string& str() const {
return localForm;
}
const XMLCh* unicode() const {
return unicodeForm;
}
protected:
friend USCXML_API std::ostream& operator<< (std::ostream& os, const X& data);
private:
XMLCh* unicodeForm = NULL;
std::string localForm;
};
#endif
#if 0
static const X kElementScxmlName = X("scxml");
static const X kElementStateName = X("state");
static const X kElementParallelName = X("parallel");
static const X kElementTransitionName = X("transition");
static const X kElementInitialName = X("initial");
static const X kElementFinalName = X("final");
static const X kElementOnEntryName = X("onentry");
static const X kElementOnExitName = X("onexit");
static const X kElementHistoryName = X("history");
static const X kElementRaiseName = X("raise");
static const X kElementIfName = X("if");
static const X kElementElseIfName = X("elseif");
static const X kElementElseName = X("else");
static const X kElementForEachName = X("foreach");
static const X kElementLogName = X("log");
static const X kElementDataModelName = X("datamodel");
static const X kElementDataName = X("data");
static const X kElementAssignName = X("assign");
static const X kElementContentName = X("content");
static const X kElementParamName = X("param");
static const X kElementScriptName = X("script");
#endif
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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