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NamespaceStrategy.cpp

//
// NamespaceStrategy.cpp
//
// $Id: //poco/1.2/XML/src/NamespaceStrategy.cpp#3 $
//
// Library: XML
// Package: XML
// Module:  NamespaceStrategy
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//


#include "Poco/XML/NamespaceStrategy.h"
#include "Poco/SAX/AttributesImpl.h"
#include "Poco/SAX/ContentHandler.h"
#include "Poco/XML/XMLException.h"
#include "Poco/XML/Name.h"


namespace Poco {
namespace XML {


const XMLString NamespaceStrategy::NOTHING;
const XMLString NamespaceStrategy::CDATA = toXMLString("CDATA");
const XMLString NamespaceStrategy::COLON = toXMLString(":");


NamespaceStrategy::~NamespaceStrategy()
{
}


00058 void NamespaceStrategy::splitName(const XMLChar* qname, XMLString& uri, XMLString& localName)
{
      for (const XMLChar* p = qname; *p; ++p)
      {
            if (*p == '\t')
            {
                  uri.assign(qname, p - qname);
                  localName.assign(p + 1);
                  return;
            }
      }
      localName = qname;
}


void NamespaceStrategy::splitName(const XMLChar* qname, XMLString& uri, XMLString& localName, XMLString& prefix)
{
      const XMLChar* p = qname;
      while (*p && *p != '\t') ++p;
      if (*p)
      {
            uri.assign(qname, p - qname);
            ++p;
            const XMLChar* loc = p;
            while (*p && *p != '\t') ++p;
            localName.assign(loc, p - loc);
            if (*p)
                  prefix.assign(++p);
      }
      else localName = qname;
}


NoNamespacesStrategy::NoNamespacesStrategy()
{
}


NoNamespacesStrategy::~NoNamespacesStrategy()
{
}


void NoNamespacesStrategy::startElement(const XMLChar* name, const XMLChar** atts, int specifiedCount, ContentHandler* pContentHandler)
{
      poco_assert_dbg (name && atts && pContentHandler);

      AttributesImpl attributes;
      for (int i = 0; *atts; ++i)
      {
            const XMLChar* attrName  = *atts++;
            const XMLChar* attrValue = *atts++;
            attributes.addAttribute(NOTHING, NOTHING, attrName, CDATA, attrValue, i < specifiedCount);
      }
      pContentHandler->startElement(NOTHING, NOTHING, name, attributes);
}


00116 void NoNamespacesStrategy::endElement(const XMLChar* name, ContentHandler* pContentHandler)
{
      poco_assert_dbg (name && pContentHandler);

      pContentHandler->endElement(NOTHING, NOTHING, name);
}


NoNamespacePrefixesStrategy::NoNamespacePrefixesStrategy()
{
}


NoNamespacePrefixesStrategy::~NoNamespacePrefixesStrategy()
{
}


void NoNamespacePrefixesStrategy::startElement(const XMLChar* name, const XMLChar** atts, int specifiedCount, ContentHandler* pContentHandler)
{
      poco_assert_dbg (name && atts && pContentHandler);

      AttributesImpl attributes;
      for (int i = 0; *atts; ++i)
      {
            const XMLChar* attrName  = *atts++;
            const XMLChar* attrValue = *atts++;
            XMLString attrURI;
            XMLString attrLocal;
            splitName(attrName, attrURI, attrLocal);
            attributes.addAttribute(attrURI, attrLocal, NOTHING, CDATA, attrValue, i < specifiedCount);
      }
      XMLString uri;
      XMLString local;
      splitName(name, uri, local);
      pContentHandler->startElement(uri, local, NOTHING, attributes);
}


00155 void NoNamespacePrefixesStrategy::endElement(const XMLChar* name, ContentHandler* pContentHandler)
{
      poco_assert_dbg (name && pContentHandler);

      XMLString uri;
      XMLString local;
      splitName(name, uri, local);
      pContentHandler->endElement(uri, local, NOTHING);
}


NamespacePrefixesStrategy::NamespacePrefixesStrategy()
{
}


NamespacePrefixesStrategy::~NamespacePrefixesStrategy()
{
}


void NamespacePrefixesStrategy::startElement(const XMLChar* name, const XMLChar** atts, int specifiedCount, ContentHandler* pContentHandler)
{
      poco_assert_dbg (name && atts && pContentHandler);

      AttributesImpl attributes;
      for (int i = 0; *atts; ++i)
      {
            const XMLChar* attrName  = *atts++;
            const XMLChar* attrValue = *atts++;
            XMLString attrURI;
            XMLString attrLocal;
            XMLString attrQName;
            splitName(attrName, attrURI, attrLocal, attrQName);
            if (!attrQName.empty()) attrQName += ':';
            attrQName.append(attrLocal);
            attributes.addAttribute(attrURI, attrLocal, attrQName, CDATA, attrValue, i < specifiedCount);
      }
      XMLString uri;
      XMLString local;
      XMLString qname;
      splitName(name, uri, local, qname);
      if (!qname.empty()) qname += ':';
      qname.append(local);
      pContentHandler->startElement(uri, local, qname, attributes);
}


00203 void NamespacePrefixesStrategy::endElement(const XMLChar* name, ContentHandler* pContentHandler)
{
      poco_assert_dbg (name && pContentHandler);

      XMLString uri;
      XMLString local;
      XMLString qname;
      splitName(name, uri, local, qname);
      if (!qname.empty()) qname += ':';
      qname.append(local);
      pContentHandler->endElement(uri, local, qname);
}


} } // namespace Poco::XML

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