1 files changed, 190 insertions, 0 deletions
diff --git a/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlprinter.cpp b/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlprinter.cpp
new file mode 100644
index 00000000..e0d2c006
--- /dev/null
+++ b/kopete/protocols/jabber/jingle/libjingle/talk/xmllite/xmlprinter.cpp
@@ -0,0 +1,190 @@
+/*
+ * 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 "talk/base/stl_decl.h"
+#include <string>
+#include <iostream>
+#include <vector>
+#include <sstream>
+#include "talk/xmllite/xmlelement.h"
+#include "talk/xmllite/xmlprinter.h"
+#include "talk/xmllite/xmlnsstack.h"
+#include "talk/xmllite/xmlconstants.h"
+
+namespace buzz {
+
+class XmlPrinterImpl {
+public:
+  XmlPrinterImpl(std::ostream * pout,
+    const std::string * const xmlns, int xmlnsCount);
+  void PrintElement(const XmlElement * element);
+  void PrintQuotedValue(const std::string & text);
+  void PrintBodyText(const std::string & text);
+
+private:
+  std::ostream *pout_;
+  XmlnsStack xmlnsStack_;
+};
+
+void
+XmlPrinter::PrintXml(std::ostream * pout, const XmlElement * element) {
+  PrintXml(pout, element, NULL, 0);
+}
+
+void
+XmlPrinter::PrintXml(std::ostream * pout, const XmlElement * element,
+    const std::string * const xmlns, int xmlnsCount) {
+  XmlPrinterImpl printer(pout, xmlns, xmlnsCount);
+  printer.PrintElement(element);
+}
+
+XmlPrinterImpl::XmlPrinterImpl(std::ostream * pout,
+    const std::string * const xmlns, int xmlnsCount) :
+  pout_(pout),
+  xmlnsStack_() {
+  int i;
+  for (i = 0; i < xmlnsCount; i += 2) {
+    xmlnsStack_.AddXmlns(xmlns[i], xmlns[i + 1]);
+  }
+}
+
+void
+XmlPrinterImpl::PrintElement(const XmlElement * element) {
+  xmlnsStack_.PushFrame();
+
+  // first go through attrs of pel to add xmlns definitions
+  const XmlAttr * pattr;
+  for (pattr = element->FirstAttr(); pattr; pattr = pattr->NextAttr()) {
+    if (pattr->Name() == TQN_XMLNS)
+      xmlnsStack_.AddXmlns(STR_EMPTY, pattr->Value());
+    else if (pattr->Name().Namespace() == NS_XMLNS)
+      xmlnsStack_.AddXmlns(pattr->Name().LocalPart(),
+        pattr->Value());
+  }
+
+  // then go through qnames to make sure needed xmlns definitons are added
+  std::vector<std::string> newXmlns;
+  std::pair<std::string, bool> prefix;
+  prefix = xmlnsStack_.AddNewPrefix(element->Name().Namespace(), false);
+  if (prefix.second) {
+    newXmlns.push_back(prefix.first);
+    newXmlns.push_back(element->Name().Namespace());
+  }
+
+  for (pattr = element->FirstAttr(); pattr; pattr = pattr->NextAttr()) {
+    prefix = xmlnsStack_.AddNewPrefix(pattr->Name().Namespace(), true);
+    if (prefix.second) {
+      newXmlns.push_back(prefix.first);
+      newXmlns.push_back(element->Name().Namespace());
+    }
+  }
+
+  // print the element name
+  *pout_ << '<' << xmlnsStack_.FormatTQName(element->Name(), false);
+
+  // and the attributes
+  for (pattr = element->FirstAttr(); pattr; pattr = pattr->NextAttr()) {
+    *pout_ << ' ' << xmlnsStack_.FormatTQName(pattr->Name(), true) << "=\"";
+    PrintQuotedValue(pattr->Value());
+    *pout_ << '"';
+  }
+
+  // and the extra xmlns declarations
+  std::vector<std::string>::iterator i(newXmlns.begin());
+  while (i < newXmlns.end()) {
+    if (*i == STR_EMPTY)
+      *pout_ << " xmlns=\"" << *(i + 1) << '"';
+    else
+      *pout_ << " xmlns:" << *i << "=\"" << *(i + 1) << '"';
+    i += 2;
+  }
+
+  // now the children
+  const XmlChild * pchild = element->FirstChild();
+
+  if (pchild == NULL)
+    *pout_ << "/>";
+  else {
+    *pout_ << '>';
+    while (pchild) {
+      if (pchild->IsText())
+        PrintBodyText(pchild->AsText()->Text());
+      else
+        PrintElement(pchild->AsElement());
+      pchild = pchild->NextChild();
+    }
+    *pout_ << "</" << xmlnsStack_.FormatTQName(element->Name(), false) << '>';
+  }
+
+  xmlnsStack_.PopFrame();
+}
+
+void
+XmlPrinterImpl::PrintQuotedValue(const std::string & text) {
+  size_t safe = 0;
+  for (;;) {
+    size_t unsafe = text.find_first_of("<>&\"", safe);
+    if (unsafe == std::string::npos)
+      unsafe = text.length();
+    *pout_ << text.substr(safe, unsafe - safe);
+    if (unsafe == text.length())
+      return;
+    switch (text[unsafe]) {
+      case '<': *pout_ << "&lt;"; break;
+      case '>': *pout_ << "&gt;"; break;
+      case '&': *pout_ << "&amp;"; break;
+      case '"': *pout_ << "&quot;"; break;
+    }
+    safe = unsafe + 1;
+    if (safe == text.length())
+      return;
+  }
+}
+
+void
+XmlPrinterImpl::PrintBodyText(const std::string & text) {
+  size_t safe = 0;
+  for (;;) {
+    size_t unsafe = text.find_first_of("<>&", safe);
+    if (unsafe == std::string::npos)
+      unsafe = text.length();
+    *pout_ << text.substr(safe, unsafe - safe);
+    if (unsafe == text.length())
+      return;
+    switch (text[unsafe]) {
+      case '<': *pout_ << "&lt;"; break;
+      case '>': *pout_ << "&gt;"; break;
+      case '&': *pout_ << "&amp;"; break;
+    }
+    safe = unsafe + 1;
+    if (safe == text.length())
+      return;
+  }
+}
+
+
+}