summaryrefslogtreecommitdiffstats
path: root/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlelement.cc
diff options
context:
space:
mode:
Diffstat (limited to 'kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlelement.cc')
-rw-r--r--kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlelement.cc491
1 files changed, 491 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlelement.cc b/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlelement.cc
new file mode 100644
index 00000000..d3619a92
--- /dev/null
+++ b/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlelement.cc
@@ -0,0 +1,491 @@
+/*
+ * libjingle
+ * Copyright 2004--2005, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <string>
+#include <iostream>
+#include <vector>
+#include <sstream>
+
+#include "talk/base/common.h"
+#include "talk/xmllite/xmlelement.h"
+#include "talk/xmllite/qname.h"
+#include "talk/xmllite/xmlparser.h"
+#include "talk/xmllite/xmlbuilder.h"
+#include "talk/xmllite/xmlprinter.h"
+#include "talk/xmllite/xmlconstants.h"
+
+#define new TRACK_NEW
+
+namespace buzz {
+
+const QName QN_EMPTY(true, STR_EMPTY, STR_EMPTY);
+const QName QN_XMLNS(true, STR_EMPTY, STR_XMLNS);
+
+
+XmlChild::~XmlChild() {
+}
+
+bool
+XmlText::IsTextImpl() const {
+ return true;
+}
+
+XmlElement *
+XmlText::AsElementImpl() const {
+ return NULL;
+}
+
+XmlText *
+XmlText::AsTextImpl() const {
+ return const_cast<XmlText *>(this);
+}
+
+void
+XmlText::SetText(const std::string & text) {
+ text_ = text;
+}
+
+void
+XmlText::AddParsedText(const char * buf, int len) {
+ text_.append(buf, len);
+}
+
+void
+XmlText::AddText(const std::string & text) {
+ text_ += text;
+}
+
+XmlText::~XmlText() {
+}
+
+XmlElement::XmlElement(const QName & name) :
+ name_(name),
+ pFirstAttr_(NULL),
+ pLastAttr_(NULL),
+ pFirstChild_(NULL),
+ pLastChild_(NULL) {
+}
+
+XmlElement::XmlElement(const XmlElement & elt) :
+ XmlChild(),
+ name_(elt.name_),
+ pFirstAttr_(NULL),
+ pLastAttr_(NULL),
+ pFirstChild_(NULL),
+ pLastChild_(NULL) {
+
+ // copy attributes
+ XmlAttr * pAttr;
+ XmlAttr ** ppLastAttr = &pFirstAttr_;
+ XmlAttr * newAttr = NULL;
+ for (pAttr = elt.pFirstAttr_; pAttr; pAttr = pAttr->NextAttr()) {
+ newAttr = new XmlAttr(*pAttr);
+ *ppLastAttr = newAttr;
+ ppLastAttr = &(newAttr->pNextAttr_);
+ }
+ pLastAttr_ = newAttr;
+
+ // copy children
+ XmlChild * pChild;
+ XmlChild ** ppLast = &pFirstChild_;
+ XmlChild * newChild = NULL;
+
+ for (pChild = elt.pFirstChild_; pChild; pChild = pChild->NextChild()) {
+ if (pChild->IsText()) {
+ newChild = new XmlText(*(pChild->AsText()));
+ } else {
+ newChild = new XmlElement(*(pChild->AsElement()));
+ }
+ *ppLast = newChild;
+ ppLast = &(newChild->pNextChild_);
+ }
+ pLastChild_ = newChild;
+
+}
+
+XmlElement::XmlElement(const QName & name, bool useDefaultNs) :
+ name_(name),
+ pFirstAttr_(useDefaultNs ? new XmlAttr(QN_XMLNS, name.Namespace()) : NULL),
+ pLastAttr_(pFirstAttr_),
+ pFirstChild_(NULL),
+ pLastChild_(NULL) {
+}
+
+bool
+XmlElement::IsTextImpl() const {
+ return false;
+}
+
+XmlElement *
+XmlElement::AsElementImpl() const {
+ return const_cast<XmlElement *>(this);
+}
+
+XmlText *
+XmlElement::AsTextImpl() const {
+ return NULL;
+}
+
+const std::string &
+XmlElement::BodyText() const {
+ if (pFirstChild_ && pFirstChild_->IsText() && pLastChild_ == pFirstChild_) {
+ return pFirstChild_->AsText()->Text();
+ }
+
+ return STR_EMPTY;
+}
+
+void
+XmlElement::SetBodyText(const std::string & text) {
+ if (text == STR_EMPTY) {
+ ClearChildren();
+ } else if (pFirstChild_ == NULL) {
+ AddText(text);
+ } else if (pFirstChild_->IsText() && pLastChild_ == pFirstChild_) {
+ pFirstChild_->AsText()->SetText(text);
+ } else {
+ ClearChildren();
+ AddText(text);
+ }
+}
+
+const QName &
+XmlElement::FirstElementName() const {
+ const XmlElement * element = FirstElement();
+ if (element == NULL)
+ return QN_EMPTY;
+ return element->Name();
+}
+
+XmlAttr *
+XmlElement::FirstAttr() {
+ return pFirstAttr_;
+}
+
+const std::string &
+XmlElement::Attr(const QName & name) const {
+ XmlAttr * pattr;
+ for (pattr = pFirstAttr_; pattr; pattr = pattr->pNextAttr_) {
+ if (pattr->name_ == name)
+ return pattr->value_;
+ }
+ return STR_EMPTY;
+}
+
+bool
+XmlElement::HasAttr(const QName & name) const {
+ XmlAttr * pattr;
+ for (pattr = pFirstAttr_; pattr; pattr = pattr->pNextAttr_) {
+ if (pattr->name_ == name)
+ return true;
+ }
+ return false;
+}
+
+void
+XmlElement::SetAttr(const QName & name, const std::string & value) {
+ XmlAttr * pattr;
+ for (pattr = pFirstAttr_; pattr; pattr = pattr->pNextAttr_) {
+ if (pattr->name_ == name)
+ break;
+ }
+ if (!pattr) {
+ pattr = new XmlAttr(name, value);
+ if (pLastAttr_)
+ pLastAttr_->pNextAttr_ = pattr;
+ else
+ pFirstAttr_ = pattr;
+ pLastAttr_ = pattr;
+ return;
+ }
+ pattr->value_ = value;
+}
+
+void
+XmlElement::ClearAttr(const QName & name) {
+ XmlAttr * pattr;
+ XmlAttr *pLastAttr = NULL;
+ for (pattr = pFirstAttr_; pattr; pattr = pattr->pNextAttr_) {
+ if (pattr->name_ == name)
+ break;
+ pLastAttr = pattr;
+ }
+ if (!pattr)
+ return;
+ if (!pLastAttr)
+ pFirstAttr_ = pattr->pNextAttr_;
+ else
+ pLastAttr->pNextAttr_ = pattr->pNextAttr_;
+ if (pLastAttr_ == pattr)
+ pLastAttr_ = pLastAttr;
+ delete pattr;
+}
+
+XmlChild *
+XmlElement::FirstChild() {
+ return pFirstChild_;
+}
+
+XmlElement *
+XmlElement::FirstElement() {
+ XmlChild * pChild;
+ for (pChild = pFirstChild_; pChild; pChild = pChild->pNextChild_) {
+ if (!pChild->IsText())
+ return pChild->AsElement();
+ }
+ return NULL;
+}
+
+XmlElement *
+XmlElement::NextElement() {
+ XmlChild * pChild;
+ for (pChild = pNextChild_; pChild; pChild = pChild->pNextChild_) {
+ if (!pChild->IsText())
+ return pChild->AsElement();
+ }
+ return NULL;
+}
+
+XmlElement *
+XmlElement::FirstWithNamespace(const std::string & ns) {
+ XmlChild * pChild;
+ for (pChild = pFirstChild_; pChild; pChild = pChild->pNextChild_) {
+ if (!pChild->IsText() && pChild->AsElement()->Name().Namespace() == ns)
+ return pChild->AsElement();
+ }
+ return NULL;
+}
+
+XmlElement *
+XmlElement::NextWithNamespace(const std::string & ns) {
+ XmlChild * pChild;
+ for (pChild = pNextChild_; pChild; pChild = pChild->pNextChild_) {
+ if (!pChild->IsText() && pChild->AsElement()->Name().Namespace() == ns)
+ return pChild->AsElement();
+ }
+ return NULL;
+}
+
+XmlElement *
+XmlElement::FirstNamed(const QName & name) {
+ XmlChild * pChild;
+ for (pChild = pFirstChild_; pChild; pChild = pChild->pNextChild_) {
+ if (!pChild->IsText() && pChild->AsElement()->Name() == name)
+ return pChild->AsElement();
+ }
+ return NULL;
+}
+
+XmlElement *
+XmlElement::NextNamed(const QName & name) {
+ XmlChild * pChild;
+ for (pChild = pNextChild_; pChild; pChild = pChild->pNextChild_) {
+ if (!pChild->IsText() && pChild->AsElement()->Name() == name)
+ return pChild->AsElement();
+ }
+ return NULL;
+}
+
+const std::string &
+XmlElement::TextNamed(const QName & name) const {
+ XmlChild * pChild;
+ for (pChild = pFirstChild_; pChild; pChild = pChild->pNextChild_) {
+ if (!pChild->IsText() && pChild->AsElement()->Name() == name)
+ return pChild->AsElement()->BodyText();
+ }
+ return STR_EMPTY;
+}
+
+void
+XmlElement::InsertChildAfter(XmlChild * pPredecessor, XmlChild * pNext) {
+ if (pPredecessor == NULL) {
+ pNext->pNextChild_ = pFirstChild_;
+ pFirstChild_ = pNext;
+ }
+ else {
+ pNext->pNextChild_ = pPredecessor->pNextChild_;
+ pPredecessor->pNextChild_ = pNext;
+ }
+}
+
+void
+XmlElement::RemoveChildAfter(XmlChild * pPredecessor) {
+ XmlChild * pNext;
+
+ if (pPredecessor == NULL) {
+ pNext = pFirstChild_;
+ pFirstChild_ = pNext->pNextChild_;
+ }
+ else {
+ pNext = pPredecessor->pNextChild_;
+ pPredecessor->pNextChild_ = pNext->pNextChild_;
+ }
+
+ if (pLastChild_ == pNext)
+ pLastChild_ = pPredecessor;
+
+ delete pNext;
+}
+
+void
+XmlElement::AddAttr(const QName & name, const std::string & value) {
+ ASSERT(!HasAttr(name));
+
+ XmlAttr ** pprev = pLastAttr_ ? &(pLastAttr_->pNextAttr_) : &pFirstAttr_;
+ pLastAttr_ = (*pprev = new XmlAttr(name, value));
+}
+
+void
+XmlElement::AddAttr(const QName & name, const std::string & value,
+ int depth) {
+ XmlElement * element = this;
+ while (depth--) {
+ element = element->pLastChild_->AsElement();
+ }
+ element->AddAttr(name, value);
+}
+
+void
+XmlElement::AddParsedText(const char * cstr, int len) {
+ if (len == 0)
+ return;
+
+ if (pLastChild_ && pLastChild_->IsText()) {
+ pLastChild_->AsText()->AddParsedText(cstr, len);
+ return;
+ }
+ XmlChild ** pprev = pLastChild_ ? &(pLastChild_->pNextChild_) : &pFirstChild_;
+ pLastChild_ = *pprev = new XmlText(cstr, len);
+}
+
+void
+XmlElement::AddText(const std::string & text) {
+ if (text == STR_EMPTY)
+ return;
+
+ if (pLastChild_ && pLastChild_->IsText()) {
+ pLastChild_->AsText()->AddText(text);
+ return;
+ }
+ XmlChild ** pprev = pLastChild_ ? &(pLastChild_->pNextChild_) : &pFirstChild_;
+ pLastChild_ = *pprev = new XmlText(text);
+}
+
+void
+XmlElement::AddText(const std::string & text, int depth) {
+ // note: the first syntax is ambigious for msvc 6
+ // XmlElement * pel(this);
+ XmlElement * element = this;
+ while (depth--) {
+ element = element->pLastChild_->AsElement();
+ }
+ element->AddText(text);
+}
+
+void
+XmlElement::AddElement(XmlElement *pelChild) {
+ if (pelChild == NULL)
+ return;
+
+ XmlChild ** pprev = pLastChild_ ? &(pLastChild_->pNextChild_) : &pFirstChild_;
+ pLastChild_ = *pprev = pelChild;
+ pelChild->pNextChild_ = NULL;
+}
+
+void
+XmlElement::AddElement(XmlElement *pelChild, int depth) {
+ XmlElement * element = this;
+ while (depth--) {
+ element = element->pLastChild_->AsElement();
+ }
+ element->AddElement(pelChild);
+}
+
+void
+XmlElement::ClearNamedChildren(const QName & name) {
+ XmlChild * prev_child = NULL;
+ XmlChild * next_child;
+ XmlChild * child;
+ for (child = FirstChild(); child; child = next_child) {
+ next_child = child->NextChild();
+ if (!child->IsText() && child->AsElement()->Name() == name)
+ {
+ RemoveChildAfter(prev_child);
+ continue;
+ }
+ prev_child = child;
+ }
+}
+
+void
+XmlElement::ClearChildren() {
+ XmlChild * pchild;
+ for (pchild = pFirstChild_; pchild; ) {
+ XmlChild * pToDelete = pchild;
+ pchild = pchild->pNextChild_;
+ delete pToDelete;
+ }
+ pFirstChild_ = pLastChild_ = NULL;
+}
+
+std::string
+XmlElement::Str() const {
+ std::stringstream ss;
+ Print(&ss, NULL, 0);
+ return ss.str();
+}
+
+XmlElement *
+XmlElement::ForStr(const std::string & str) {
+ XmlBuilder builder;
+ XmlParser::ParseXml(&builder, str);
+ return builder.CreateElement();
+}
+
+void
+XmlElement::Print(
+ std::ostream * pout, std::string xmlns[], int xmlnsCount) const {
+ XmlPrinter::PrintXml(pout, this, xmlns, xmlnsCount);
+}
+
+XmlElement::~XmlElement() {
+ XmlAttr * pattr;
+ for (pattr = pFirstAttr_; pattr; ) {
+ XmlAttr * pToDelete = pattr;
+ pattr = pattr->pNextAttr_;
+ delete pToDelete;
+ }
+
+ XmlChild * pchild;
+ for (pchild = pFirstChild_; pchild; ) {
+ XmlChild * pToDelete = pchild;
+ pchild = pchild->pNextChild_;
+ delete pToDelete;
+ }
+}
+
+}