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