master > master: code - go project hinzugefügt

code/golang/pkg/re/re.go

@@ -0,0 +1,62 @@
+package re
+
+/* ---------------------------------------------------------------- *
+ * IMPORTS
+ * ---------------------------------------------------------------- */
+
+import (
+	"regexp"
+)
+
+/* ---------------------------------------------------------------- *
+ * GLOBAL VARIABLES
+ * ---------------------------------------------------------------- */
+
+type Reader struct {
+	regex       *regexp.Regexp
+	lastpattern *string
+}
+
+var defaultReader Reader = Reader{}
+
+/* ---------------------------------------------------------------- *
+ * METHODS
+ * ---------------------------------------------------------------- */
+
+func Matches(pattern string, text string) bool {
+	return defaultReader.Matches(pattern, text)
+}
+
+func Sub(pattern string, substitute string, text string) string {
+	return defaultReader.Sub(pattern, substitute, text)
+}
+
+func Split(pattern string, text string) []string {
+	return defaultReader.Split(pattern, text)
+}
+
+func (r *Reader) Matches(pattern string, text string) bool {
+	r.setReader(pattern)
+	return r.regex.MatchString(text)
+}
+
+func (r *Reader) Sub(pattern string, substitute string, text string) string {
+	r.setReader(pattern)
+	return r.regex.ReplaceAllString(text, substitute)
+}
+
+func (r *Reader) Split(pattern string, text string) []string {
+	r.setReader(pattern)
+	return r.regex.Split(text, -1)
+}
+
+/* ---------------------------------------------------------------- *
+ * PRIVATE MEHODS
+ * ---------------------------------------------------------------- */
+
+func (r *Reader) setReader(pattern string) {
+	if r.regex == nil || r.lastpattern == nil || *r.lastpattern != pattern {
+		r.lastpattern = &pattern
+		r.regex = regexp.MustCompile(pattern)
+	}
+}