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mirror of https://github.com/mawww/kakoune.git synced 2024-12-21 18:41:29 +03:00
kakoune/src/filters.cc

53 lines
1.9 KiB
C++

#include "filters.hh"
namespace Kakoune
{
void colorize_regex(DisplayBuffer& display_buffer,
const boost::regex& ex, Color color)
{
for (auto atom_it = display_buffer.begin();
atom_it != display_buffer.end(); ++atom_it)
{
boost::smatch matches;
if (boost::regex_search(atom_it->content, matches, ex, boost::match_nosubs))
{
size_t pos = matches.begin()->first - atom_it->content.begin();
if (pos != 0)
atom_it = display_buffer.split(atom_it, pos) + 1;
pos = matches.begin()->second - matches.begin()->first;
if (pos != atom_it->content.length())
atom_it = display_buffer.split(atom_it, pos);
atom_it->fg_color = color;
}
}
}
void colorize_cplusplus(DisplayBuffer& display_buffer)
{
static boost::regex preprocessor("(?<=\\n)\\h*#\\h*[^\\n]*(?=\\n)");
colorize_regex(display_buffer, preprocessor, Color::Magenta);
static boost::regex strings("\"(\\\\\"|[^\"])*\"");
colorize_regex(display_buffer, strings, Color::Magenta);
static boost::regex values("\\<(true|false|NULL|nullptr)\\>|-?\\d+[fdiu]?|'[^']*'");
colorize_regex(display_buffer, values, Color::Red);
static boost::regex builtin_types("\\<(void|int|float|bool|size_t)\\>");
colorize_regex(display_buffer, builtin_types, Color::Yellow);
static boost::regex control_keywords("\\<(while|for|if|else|do|switch|case|default|goto|return|using|try|catch|throw)\\>");
colorize_regex(display_buffer, control_keywords, Color::Blue);
static boost::regex types_keywords("\\<(const|auto|namespace|static|volatile|class|struct|enum|union|public|protected|private)\\>");
colorize_regex(display_buffer, types_keywords, Color::Green);
static boost::regex comments("//[^\\n]*\\n");
colorize_regex(display_buffer, comments, Color::Cyan);
}
}