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#pragma once
#include <boost/variant/static_visitor.hpp>
#include "render_context.hpp"
#include "mstch/mstch.hpp"
#include "utils.hpp"
#include "render_node.hpp"
namespace mstch {
class render_section: public boost::static_visitor<std::string> {
public:
enum class flag { none, keep_array };
render_section(
render_context& ctx,
const template_type& section,
const delim_type& delims,
flag p_flag = flag::none):
m_ctx(ctx), m_section(section), m_delims(delims), m_flag(p_flag)
{
}
template<class T>
std::string operator()(const T& t) const {
return render_context::push(m_ctx, t).render(m_section);
}
std::string operator()(const lambda& fun) const {
std::string section_str;
for (auto& token: m_section)
section_str += token.raw();
template_type interpreted{fun([this](const mstch::node& n) {
return visit(render_node(m_ctx), n);
}, section_str), m_delims};
return render_context::push(m_ctx).render(interpreted);
}
std::string operator()(const array& array) const {
std::string out;
if (m_flag == flag::keep_array)
return render_context::push(m_ctx, array).render(m_section);
else
for (auto& item: array)
out += visit(render_section(
m_ctx, m_section, m_delims, flag::keep_array), item);
return out;
}
private:
render_context& m_ctx;
const template_type& m_section;
const delim_type& m_delims;
flag m_flag;
};
}
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