Add ShaExistCache to RenderContext

modules/markup/html.go

@@ -997,7 +997,9 @@ func sha1CurrentPatternProcessor(ctx *RenderContext, node *html.Node) {
 
 	start := 0
 	next := node.NextSibling
-	cache := make(map[string]bool)
+	if ctx.ShaExistCache == nil {
+		ctx.ShaExistCache = make(map[string]bool)
+	}
 	for node != nil && node != next && start < len(node.Data) {
 		m := sha1CurrentPattern.FindStringSubmatchIndex(node.Data[start:])
 		if m == nil {
@@ -1017,7 +1019,7 @@ func sha1CurrentPatternProcessor(ctx *RenderContext, node *html.Node) {
 		// a commit in the repository before making it a link.
 
 		// check cache first
-		exist, inCache := cache[hash]
+		exist, inCache := ctx.ShaExistCache[hash]
 		if !inCache {
 			if ctx.GitRepo == nil {
 				var err error
@@ -1033,7 +1035,7 @@ func sha1CurrentPatternProcessor(ctx *RenderContext, node *html.Node) {
 			}
 
 			exist = ctx.GitRepo.IsObjectExist(hash)
-			cache[hash] = exist
+			ctx.ShaExistCache[hash] = exist
 		}
 
 		if !exist {

modules/markup/renderer.go

@@ -36,20 +36,25 @@ func Init() {
 
 // RenderContext represents a render context
 type RenderContext struct {
-	Ctx         context.Context
-	Filename    string
-	Type        string
-	IsWiki      bool
-	URLPrefix   string
-	Metas       map[string]string
-	DefaultLink string
-	GitRepo     *git.Repository
-	cancelFn    func()
+	Ctx           context.Context
+	Filename      string
+	Type          string
+	IsWiki        bool
+	URLPrefix     string
+	Metas         map[string]string
+	DefaultLink   string
+	GitRepo       *git.Repository
+	ShaExistCache map[string]bool
+	cancelFn      func()
 }
 
 // Cancel runs any cleanup functions that have been registered for this Ctx
 func (ctx *RenderContext) Cancel() {
-	if ctx == nil || ctx.cancelFn == nil {
+	if ctx == nil {
+		return
+	}
+	ctx.ShaExistCache = map[string]bool{}
+	if ctx.cancelFn == nil {
 		return
 	}
 	ctx.cancelFn()