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/*
* This source file is part of libRocket, the HTML/CSS Interface Middleware
*
* For the latest information, see http://www.librocket.com
*
* Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* 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 AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*
*/
#include "precompiled.h"
#include "Template.h"
#include "../../Include/Rocket/Core/XMLParseTools.h"
#include "../../Include/Rocket/Core/ElementUtilities.h"
#include "../../Include/Rocket/Core/XMLParser.h"
namespace Rocket {
namespace Core {
Template::Template()
{
body = NULL;
}
Template::~Template()
{
if (body)
body->RemoveReference();
}
const String& Template::GetName() const
{
return name;
}
bool Template::Load(Stream* stream)
{
// Load the entire template into memory so we can pull out
// the header and body tags
String buffer;
stream->Read(buffer, stream->Length());
// Pull out the header
const char* head_start = XMLParseTools::FindTag("head", buffer.CString());
if (!head_start)
return false;
const char* head_end = XMLParseTools::FindTag("head", head_start, true);
if (!head_end)
return false;
// Advance to the end of the tag
head_end = strchr(head_end, '>') + 1;
// Pull out the body
const char* body_start = XMLParseTools::FindTag("body", head_end);
if (!body_start)
return false;
const char* body_end = XMLParseTools::FindTag("body", body_start, true);
if (!body_end)
return false;
// Advance to the end of the tag
body_end = strchr(body_end, '>') + 1;
// Find the RML tag, skip over it and read the attributes,
// storing the ones we're interested in.
String attribute_name;
String attribute_value;
const char* ptr = XMLParseTools::FindTag("template", buffer.CString());
if (!ptr)
return false;
while (XMLParseTools::ReadAttribute(++ptr, attribute_name, attribute_value))
{
if (attribute_name == "name")
name = attribute_value;
if (attribute_name == "content")
content = attribute_value;
}
// Create a stream around the header, parse it and store it
StreamMemory* header_stream = new StreamMemory((const byte*) head_start,head_end - head_start);
header_stream->SetSourceURL(stream->GetSourceURL());
XMLParser parser(NULL);
parser.Parse(header_stream);
header_stream->RemoveReference();
header = *parser.GetDocumentHeader();
// Store the body in stream form
body = new StreamMemory(body_end - body_start);
body->SetSourceURL(stream->GetSourceURL());
body->PushBack(body_start, body_end - body_start);
return true;
}
Element* Template::ParseTemplate(Element* element)
{
body->Seek(0, SEEK_SET);
XMLParser parser(element);
parser.Parse(body);
// If theres an inject attribute on the template,
// attempt to find the required element
if (!content.Empty())
{
Element* content_element = ElementUtilities::GetElementById(element, content);
if (content_element)
element = content_element;
}
return element;
}
const DocumentHeader* Template::GetHeader()
{
return &header;
}
}
}
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