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Further performance improvements by removing unnecessary copies

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This commit is contained in:
Junegunn Choi
2024-04-02 08:43:08 +09:00
parent a575c0c54b
commit c30e486b64
5 changed files with 15 additions and 8 deletions
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10
src/core.go
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@@ -23,6 +23,10 @@ func ustring(data []byte) string {
return unsafe.String(unsafe.SliceData(data), len(data))
}
func sbytes(data string) []byte {
return unsafe.Slice(unsafe.StringData(data), len(data))
}
// Run starts fzf
func Run(opts *Options, version string, revision string) {
sort := opts.Sort > 0
@@ -52,14 +56,14 @@ func Run(opts *Options, version string, revision string) {
prevLineAnsiState = lineAnsiState
trimmed, offsets, newState := extractColor(ustring(data), lineAnsiState, nil)
lineAnsiState = newState
return util.ToChars([]byte(trimmed)), offsets
return util.ToChars(sbytes(trimmed)), offsets
}
} else {
// When color is disabled but ansi option is given,
// we simply strip out ANSI codes from the input
ansiProcessor = func(data []byte) (util.Chars, *[]ansiOffset) {
trimmed, _, _ := extractColor(ustring(data), nil, nil)
return util.ToChars([]byte(trimmed)), nil
return util.ToChars(sbytes(trimmed)), nil
}
}
}
@@ -106,7 +110,7 @@ func Run(opts *Options, version string, revision string) {
eventBox.Set(EvtHeader, header)
return false
}
item.text, item.colors = ansiProcessor([]byte(transformed))
item.text, item.colors = ansiProcessor(sbytes(transformed))
item.text.TrimTrailingWhitespaces()
item.text.Index = itemIndex
item.origText = &data