Files
Fabric/internal/domain/think.go

33 lines
775 B
Go

package domain
import (
"regexp"
"sync"
)
// StripThinkBlocks removes any content between the provided start and end tags
// from the input string. Whitespace following the end tag is also removed so
// output resumes at the next non-empty line.
var (
regexCache = make(map[string]*regexp.Regexp)
cacheMutex sync.Mutex
)
func StripThinkBlocks(input, startTag, endTag string) string {
if startTag == "" || endTag == "" {
return input
}
cacheKey := startTag + "|" + endTag
cacheMutex.Lock()
re, exists := regexCache[cacheKey]
if !exists {
pattern := "(?s)" + regexp.QuoteMeta(startTag) + ".*?" + regexp.QuoteMeta(endTag) + "\\s*"
re = regexp.MustCompile(pattern)
regexCache[cacheKey] = re
}
cacheMutex.Unlock()
return re.ReplaceAllString(input, "")
}