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Move highlighter cache logic to BufferSideCache template

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This commit is contained in:
Maxime Coste 2014-01-09 22:51:23 +00:00
parent 85cc740de0
commit d96b5aa04d
1 changed files with 22 additions and 14 deletions
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36
src/highlighters.cc
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@ -146,12 +146,27 @@ void apply_highlighter(const Context& context,
typedef std::unordered_map<size_t, const ColorPair*> ColorSpec;
template<typename T>
struct BufferSideCache
{
BufferSideCache() : m_id{ValueId::get_free_id()} {}
T& get(const Buffer& buffer)
{
Value& cache_val = buffer.values()[m_id];
if (not cache_val)
cache_val = Value(T{});
return cache_val.as<T>();
}
private:
ValueId m_id;
};
class RegexColorizer
{
public:
RegexColorizer(Regex regex, ColorSpec colors)
: m_regex{std::move(regex)}, m_colors{std::move(colors)},
m_cache_id{ValueId::get_free_id()}
: m_regex{std::move(regex)}, m_colors{std::move(colors)}
{
}
@ -179,17 +194,14 @@ private:
size_t m_timestamp = 0;
std::vector<std::vector<std::pair<BufferCoord, BufferCoord>>> m_matches;
};
BufferSideCache<MatchesCache> m_cache;
Regex m_regex;
ColorSpec m_colors;
ValueId m_cache_id;
MatchesCache& update_cache_ifn(const Buffer& buffer, const BufferRange& range)
{
Value& cache_val = buffer.values()[m_cache_id];
if (not cache_val)
cache_val = Value(MatchesCache{});
MatchesCache& cache = cache_val.as<MatchesCache>();
MatchesCache& cache = m_cache.get(buffer);
if (buffer.timestamp() == cache.m_timestamp and
range.first >= cache.m_range.first and
@ -507,8 +519,7 @@ public:
RegionHighlighter(Regex begin, Regex end, HighlightFunc func)
: m_begin(std::move(begin)),
m_end(std::move(end)),
m_func(std::move(func)),
m_cache_id{ValueId::get_free_id()}
m_func(std::move(func))
{}
void operator()(const Context& context, DisplayBuffer& display_buffer)
@ -521,20 +532,17 @@ private:
Regex m_begin;
Regex m_end;
HighlightFunc m_func;
ValueId m_cache_id;
struct RegionCache
{
size_t timestamp = -1;
std::vector<std::pair<BufferCoord, BufferCoord>> regions;
};
BufferSideCache<RegionCache> m_cache;
RegionCache& update_cache_ifn(const Buffer& buffer)
{
Value& cache_val = buffer.values()[m_cache_id];
if (not cache_val)
cache_val = Value(RegionCache{});
RegionCache& cache = cache_val.as<RegionCache>();
RegionCache& cache = m_cache.get(buffer);
if (cache.timestamp == buffer.timestamp())
return cache;