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/tags/WithTagNode.cpp

http://github.com/fawek/cjango
C++ | 53 lines | 22 code | 10 blank | 21 comment | 3 complexity | e9bf7d3d5faa638bb2d2813de65be32d MD5 | raw file
 1/**
 2 * Copyright (C) 2010 Jakub Wieczorek <fawek@fawek.net>
 3 *
 4 * Permission is hereby granted, free of charge, to any person obtaining a copy
 5 * of this software and associated documentation files (the "Software"), to deal
 6 * in the Software without restriction, including without limitation the rights
 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 8 * copies of the Software, and to permit persons to whom the Software is
 9 * furnished to do so, subject to the following conditions:
10 * 
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 * 
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23#include "WithTagNode.h"
24
25#include "Context.h"
26
27WithTagNode::WithTagNode(Node* parent)
28    : TagNode(parent)
29{
30}
31
32WithTagNode::~WithTagNode()
33{
34}
35
36void WithTagNode::render(Context* context, std::ostream* stream) const
37{
38    const std::vector<std::string>& parameters = this->parameters();
39    assert(parameters.size() == 3);
40
41    const std::string& variable = parameters[0];
42    assert(parameters[1] == "as");
43    const std::string& alias = parameters[2];
44
45    context->push();
46    context->set(alias, context->get(variable));
47    
48    for (const Node* node = firstChild(); node; node = node->nextSibling())
49        node->render(context, stream);
50    
51    context->pop();
52}
53