blob: 633dd4d689e0ffd54793bc0aebc4243e93565b5e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
#pragma once
#include <sstream>
#include <boost/variant/static_visitor.hpp>
#include "render_context.hpp"
#include "mstch/mstch.hpp"
#include "utils.hpp"
namespace mstch {
class render_node: public boost::static_visitor<std::string> {
public:
enum class flag { none, escape_html };
render_node(render_context& ctx, flag p_flag = flag::none):
m_ctx(ctx), m_flag(p_flag)
{
}
template<class T>
std::string operator()(const T&) const {
return "";
}
std::string operator()(const int& value) const {
return std::to_string(value);
}
std::string operator()(const double& value) const {
std::stringstream ss;
ss << value;
return ss.str();
}
std::string operator()(const bool& value) const {
return value ? "true" : "false";
}
std::string operator()(const lambda& value) const {
template_type interpreted{value([this](const mstch::node& n) {
return visit(render_node(m_ctx), n);
})};
auto rendered = render_context::push(m_ctx).render(interpreted);
return (m_flag == flag::escape_html) ? html_escape(rendered) : rendered;
}
std::string operator()(const std::string& value) const {
return (m_flag == flag::escape_html) ? html_escape(value) : value;
}
private:
render_context& m_ctx;
flag m_flag;
};
}
|
