mstch/src/render_context.cpp
2015-04-23 15:55:18 +02:00

62 lines
1.7 KiB
C++

#include "render_context.hpp"
#include "utils.hpp"
#include "state/outside_section.hpp"
#include "visitor/get_token.hpp"
#include "visitor/has_token.hpp"
using namespace mstch;
const mstch::node render_context::null_node;
render_context::push::push(render_context& context, const mstch::node& node):
context(context)
{
context.nodes.emplace_front(node);
context.state.push(std::unique_ptr<render_state>(new outside_section));
}
render_context::push::~push() {
context.nodes.pop_front();
context.state.pop();
}
std::string render_context::push::render(const template_type& templt) {
return context.render(templt);
}
render_context::render_context(
const mstch::node& node,
const std::map<std::string, template_type>& partials):
partials{partials}, nodes{node}
{
state.push(std::unique_ptr<render_state>(new outside_section));
}
const mstch::node& render_context::find_node(
const std::string& token,
const std::deque<node>& current_nodes)
{
if (token != "." && token.find('.') != std::string::npos)
return find_node(token.substr(token.rfind('.') + 1),
{find_node(token.substr(0, token.rfind('.')), current_nodes)});
else
for (auto& node: current_nodes)
if (visit(has_token(token), node))
return visit(get_token(token, node), node);
return null_node;
}
const mstch::node& render_context::get_node(const std::string& token) {
return find_node(token, nodes);
}
std::string render_context::render(const template_type& templt) {
std::string output;
for (auto& token: templt)
output += state.top()->render(*this, token);
return output;
}
std::string render_context::render_partial(const std::string& partial_name) {
return (partials.count(partial_name))?render(partials.at(partial_name)):"";
}