refactor(util): extract string equal utility func

Author: marjune163

src/serverHandler/aliasAccurate.go

@@ -26,7 +26,7 @@ func (alias aliasAccurate) caseSensitive() bool {
 }
 
 func (alias aliasAccurate) isMatch(rawReqPath string) bool {
-	return isNameEqualAccurate(alias.url, rawReqPath)
+	return util.IsStrEqualAccurate(alias.url, rawReqPath)
 }
 
 func (alias aliasAccurate) isSuccessorOf(rawReqPath string) bool {
@@ -38,5 +38,5 @@ func (alias aliasAccurate) isPredecessorOf(rawReqPath string) bool {
 }
 
 func (alias aliasAccurate) namesEqual(a, b string) bool {
-	return isNameEqualAccurate(a, b)
+	return util.IsStrEqualAccurate(a, b)
 }

src/serverHandler/aliasNoCase.go

@@ -26,7 +26,7 @@ func (alias aliasNoCase) caseSensitive() bool {
 }
 
 func (alias aliasNoCase) isMatch(rawReqPath string) bool {
-	return isNameEqualNoCase(alias.url, rawReqPath)
+	return util.IsStrEqualNoCase(alias.url, rawReqPath)
 }
 
 func (alias aliasNoCase) isSuccessorOf(rawReqPath string) bool {
@@ -38,5 +38,5 @@ func (alias aliasNoCase) isPredecessorOf(rawReqPath string) bool {
 }
 
 func (alias aliasNoCase) namesEqual(a, b string) bool {
-	return isNameEqualNoCase(a, b)
+	return util.IsStrEqualNoCase(a, b)
 }

src/serverHandler/util.go

@@ -2,6 +2,7 @@ package serverHandler
 
 import (
 	"../acceptHeaders"
+	"../util"
 	"compress/flate"
 	"compress/gzip"
 	"io"
@@ -92,19 +93,11 @@ func isNameCaseSensitive(info os.FileInfo) bool {
 	return true
 }
 
-func isNameEqualAccurate(a, b string) bool {
-	return a == b
-}
-
-func isNameEqualNoCase(a, b string) bool {
-	return strings.EqualFold(a, b)
-}
-
 func getIsNameEqualFunc(info os.FileInfo) func(a, b string) bool {
 	if isNameCaseSensitive(info) {
-		return isNameEqualAccurate
+		return util.IsStrEqualAccurate
 	} else {
-		return isNameEqualNoCase
+		return util.IsStrEqualNoCase
 	}
 }
 

src/util/str.go

@@ -0,0 +1,11 @@
+package util
+
+import "strings"
+
+func IsStrEqualAccurate(a, b string) bool {
+	return a == b
+}
+
+func IsStrEqualNoCase(a, b string) bool {
+	return strings.EqualFold(a, b)
+}