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nntpchan/contrib/backends/nntpchan-daemon/libmustache/utils.cpp
2017-10-17 10:29:56 -04:00

62 lines
1.3 KiB
C++

#include "utils.hpp"
#include "mstch/mstch.hpp"
mstch::citer mstch::first_not_ws(mstch::citer begin, mstch::citer end)
{
for (auto it = begin; it != end; ++it)
if (*it != ' ')
return it;
return end;
}
mstch::citer mstch::first_not_ws(mstch::criter begin, mstch::criter end)
{
for (auto rit = begin; rit != end; ++rit)
if (*rit != ' ')
return --(rit.base());
return --(end.base());
}
mstch::criter mstch::reverse(mstch::citer it) { return std::reverse_iterator<mstch::citer>(it); }
std::string mstch::html_escape(const std::string &str)
{
if (mstch::config::escape)
return mstch::config::escape(str);
std::string out;
citer start = str.begin();
auto add_escape = [&out, &start](const std::string &escaped, citer &it) {
out += std::string{start, it} + escaped;
start = it + 1;
};
for (auto it = str.begin(); it != str.end(); ++it)
switch (*it)
{
case '&':
add_escape("&amp;", it);
break;
case '\'':
add_escape("&#39;", it);
break;
case '"':
add_escape("&quot;", it);
break;
case '<':
add_escape("&lt;", it);
break;
case '>':
add_escape("&gt;", it);
break;
case '/':
add_escape("&#x2F;", it);
break;
default:
break;
}
return out + std::string{start, str.end()};
}