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Syntax highlighting optimization

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This commit is contained in:
Zachary Yedidia
2016-08-13 21:28:52 -04:00
parent 28897c01ea
commit 632e4312d5
1 changed files with 5 additions and 6 deletions
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11
cmd/micro/highlighter.go
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@@ -443,20 +443,19 @@ func Match(v *View) SyntaxMatches {
str := strings.Join(buf.Lines(totalStart, totalEnd), "\n")
startNum := ToCharPos(Loc{0, totalStart}, v.Buf)
toplineNum := ToCharPos(Loc{0, v.Topline}, v.Buf)
for _, rule := range rules {
if rule.startend {
if indicies := rule.regex.FindAllStringIndex(str, -1); indicies != nil {
for _, value := range indicies {
value[0] = runePos(value[0], str) + startNum
value[1] = runePos(value[1], str) + startNum
for i := value[0]; i < value[1]; i++ {
if i < toplineNum {
startLoc := FromCharPos(value[0], buf)
endLoc := FromCharPos(value[1], buf)
for curLoc := startLoc; curLoc.LessThan(endLoc); curLoc = curLoc.Move(1, buf) {
if curLoc.Y < v.Topline {
continue
}
loc := FromCharPos(i, buf)
colNum, lineNum := loc.X, loc.Y
colNum, lineNum := curLoc.X, curLoc.Y
if lineNum == -1 || colNum == -1 {
continue
}