2011-09-30 21:16:23 +02:00
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#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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2011-10-07 16:19:58 +02:00
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boost::match_results<BufferIterator> matches;
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if (boost::regex_search(atom_it->begin, atom_it->end, matches, ex, boost::match_nosubs))
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2011-09-30 21:16:23 +02:00
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{
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2011-10-07 16:19:58 +02:00
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const BufferIterator& begin = matches.begin()->first;
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if (begin != atom_it->begin)
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atom_it = display_buffer.split(atom_it, begin) + 1;
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2011-09-30 21:16:23 +02:00
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2011-10-07 16:19:58 +02:00
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const BufferIterator& end = matches.begin()->second;
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if (end != atom_it->end)
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atom_it = display_buffer.split(atom_it, end);
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2011-09-30 21:16:23 +02:00
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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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2011-10-03 16:30:14 +02:00
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void colorize_cplusplus(DisplayBuffer& display_buffer)
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{
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2011-10-07 16:28:38 +02:00
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static boost::regex preprocessor("(\\`|(?<=\\n))\\h*#\\h*[^\\n]*(?=\\n)");
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2011-10-03 16:30:14 +02:00
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colorize_regex(display_buffer, preprocessor, Color::Magenta);
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2011-10-04 21:08:34 +02:00
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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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static boost::regex strings("(?<!')\"(\\\\\"|[^\"])*\"");
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2011-10-03 16:30:14 +02:00
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colorize_regex(display_buffer, strings, Color::Magenta);
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2011-10-07 16:28:38 +02:00
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static boost::regex values("\\<(true|false|NULL|nullptr)\\>|-?\\d+[fdiu]?|'\\\\?[^']?'");
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2011-10-03 16:30:14 +02:00
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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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2011-10-04 21:08:34 +02:00
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static boost::regex control_keywords("\\<(while|for|if|else|do|switch|case|default|goto|break|continue|return|using|try|catch|throw)\\>");
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2011-10-03 16:30:14 +02:00
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colorize_regex(display_buffer, control_keywords, Color::Blue);
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2011-10-04 21:08:34 +02:00
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//static boost::regex operators("->|\\+|\\-|\\*|/|\\\\|\\&|\\|\\^|[<>=!+-]=|=|\\(|\\)|\\[|\\]|\\{|\\}|\\<(not|and|or|xor)\\>");
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//colorize_regex(display_buffer, operators, Color::Green);
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2011-10-06 23:12:16 +02:00
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static boost::regex types_keywords("\\<(const|auto|namespace|static|volatile|class|struct|enum|union|public|protected|private|template)\\>");
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2011-10-03 16:30:14 +02:00
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colorize_regex(display_buffer, types_keywords, Color::Green);
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}
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2011-10-12 20:52:22 +02:00
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void expand_tabulations(DisplayBuffer& display_buffer)
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{
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const int tabstop = 8;
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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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for (BufferIterator it = atom_it->begin; it != atom_it->end; ++it)
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{
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if (*it == '\t')
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{
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if (it != atom_it->begin)
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atom_it = display_buffer.split(atom_it, it) + 1;
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if (it+1 != atom_it->end)
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atom_it = display_buffer.split(atom_it, it+1);
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BufferCoord pos = it.buffer().line_and_column_at(it);
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int count = tabstop - (pos.column % tabstop);
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atom_it->replacement_text = std::string(count, ' ');
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}
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}
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}
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}
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2011-09-30 21:16:23 +02:00
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}
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