home/src/highlighter.hh

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#ifndef highlighter_hh_INCLUDED
#define highlighter_hh_INCLUDED
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#include "function_group.hh"
#include "function_registry.hh"
#include "memoryview.hh"
#include "string.hh"
#include "utils.hh"
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#include <functional>
namespace Kakoune
{
class DisplayBuffer;
class Context;
enum class HighlightFlags
{
Highlight,
MoveOnly
};
// An Highlighter is a function which mutates a DisplayBuffer in order to
// change the visual representation of a file. It could be changing text
// color, adding information text (line numbering for example) or replacing
// buffer content (folding for example)
using HighlighterFunc = std::function<void (const Context& context, HighlightFlags flags, DisplayBuffer& display_buffer)>;
using HighlighterAndId = std::pair<String, HighlighterFunc>;
using HighlighterParameters = memoryview<String>;
using HighlighterFactory = std::function<HighlighterAndId (HighlighterParameters params)>;
using HighlighterGroup = FunctionGroup<const Context&, HighlightFlags, DisplayBuffer&>;
struct HighlighterRegistry : FunctionRegistry<HighlighterFactory>,
Singleton<HighlighterRegistry>
{};
struct DefinedHighlighters : public HighlighterGroup,
public Singleton<DefinedHighlighters>
{
};
}
#endif // highlighter_hh_INCLUDED