kakoune/src/coord.hh
2021-11-21 09:44:56 +11:00

100 lines
2.5 KiB
C++

#ifndef coord_hh_INCLUDED
#define coord_hh_INCLUDED
#include "units.hh"
#include "hash.hh"
namespace Kakoune
{
template<typename EffectiveType, typename LineType, typename ColumnType>
struct LineAndColumn
{
LineType line = 0;
ColumnType column = 0;
[[gnu::always_inline]]
constexpr EffectiveType operator+(EffectiveType other) const
{
return {line + other.line, column + other.column};
}
[[gnu::always_inline]]
EffectiveType& operator+=(EffectiveType other)
{
line += other.line;
column += other.column;
return *static_cast<EffectiveType*>(this);
}
[[gnu::always_inline]]
constexpr EffectiveType operator-(EffectiveType other) const
{
return {line - other.line, column - other.column};
}
[[gnu::always_inline]]
EffectiveType& operator-=(EffectiveType other)
{
line -= other.line;
column -= other.column;
return *static_cast<EffectiveType*>(this);
}
[[gnu::always_inline]]
constexpr auto operator<=> (EffectiveType other) const
{
return (line != other.line) ? line <=> other.line
: column <=> other.column;
}
[[gnu::always_inline]]
constexpr bool operator== (EffectiveType other) const
{
return line == other.line and column == other.column;
}
friend constexpr size_t hash_value(const EffectiveType& val)
{
return hash_values(val.line, val.column);
}
};
struct BufferCoord : LineAndColumn<BufferCoord, LineCount, ByteCount>
{
[[gnu::always_inline]]
constexpr BufferCoord(LineCount line = 0, ByteCount column = 0)
: LineAndColumn{line, column} {}
};
struct DisplayCoord : LineAndColumn<DisplayCoord, LineCount, ColumnCount>
{
[[gnu::always_inline]]
constexpr DisplayCoord(LineCount line = 0, ColumnCount column = 0)
: LineAndColumn{line, column} {}
static constexpr const char* option_type_name = "coord";
};
struct BufferCoordAndTarget : BufferCoord
{
[[gnu::always_inline]]
constexpr BufferCoordAndTarget(LineCount line = 0, ByteCount column = 0, ColumnCount target = -1)
: BufferCoord{line, column}, target{target} {}
[[gnu::always_inline]]
constexpr BufferCoordAndTarget(BufferCoord coord, ColumnCount target = -1)
: BufferCoord{coord}, target{target} {}
ColumnCount target;
};
constexpr size_t hash_value(const BufferCoordAndTarget& val)
{
return hash_values(val.line, val.column, val.target);
}
}
#endif // coord_hh_INCLUDED