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⚡ file tree performance optimize

This commit is contained in:
Liang Ding 2014-11-19 15:20:06 +08:00
parent 13d7250744
commit 8d5fea50ae
1 changed files with 20 additions and 21 deletions
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41
file/files.go
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@ -52,6 +52,21 @@ type Snippet struct {
Contents []string `json:"contents"` // lines nearby Contents []string `json:"contents"` // lines nearby
} }
var apiNode *FileNode
// initAPINode builds the Go API file node.
func initAPINode() {
apiPath := runtime.GOROOT() + conf.PathSeparator + "src" + conf.PathSeparator + "pkg" // before Go 1.4
if !util.File.IsExist(apiPath) {
apiPath = runtime.GOROOT() + conf.PathSeparator + "src" // Go 1.4 and after
}
apiNode = &FileNode{Name: "Go API", Path: apiPath, IconSkin: "ico-ztree-dir-api ", Type: "d",
Creatable: false, Removable: false, FileNodes: []*FileNode{}}
walk(apiPath, apiNode, false, false)
}
// GetFiles handles request of constructing user workspace file tree. // GetFiles handles request of constructing user workspace file tree.
// //
// The Go API source code package also as a child node, // The Go API source code package also as a child node,
@ -68,6 +83,10 @@ func GetFiles(w http.ResponseWriter, r *http.Request) {
root := FileNode{Name: "root", Path: "", IconSkin: "ico-ztree-dir ", Type: "d", FileNodes: []*FileNode{}} root := FileNode{Name: "root", Path: "", IconSkin: "ico-ztree-dir ", Type: "d", FileNodes: []*FileNode{}}
if nil == apiNode { // lazy init
initAPINode()
}
// workspace node process // workspace node process
for _, workspace := range workspaces { for _, workspace := range workspaces {
workspacePath := workspace + conf.PathSeparator + "src" workspacePath := workspace + conf.PathSeparator + "src"
@ -82,28 +101,8 @@ func GetFiles(w http.ResponseWriter, r *http.Request) {
root.FileNodes = append(root.FileNodes, &workspaceNode) root.FileNodes = append(root.FileNodes, &workspaceNode)
} }
// construct Go API node
apiPath := runtime.GOROOT() + conf.PathSeparator + "src" + conf.PathSeparator + "pkg" // before Go 1.4
if !util.File.IsExist(apiPath) {
apiPath = runtime.GOROOT() + conf.PathSeparator + "src" // Go 1.4 and after
}
apiNode := FileNode{Name: "Go API", Path: apiPath, IconSkin: "ico-ztree-dir-api ", Type: "d",
Creatable: false, Removable: false, FileNodes: []*FileNode{}}
goapiBuildOKSignal := make(chan bool)
go func() {
walk(apiPath, &apiNode, false, false)
// go-ahead
close(goapiBuildOKSignal)
}()
// waiting
<-goapiBuildOKSignal
// add Go API node // add Go API node
root.FileNodes = append(root.FileNodes, &apiNode) root.FileNodes = append(root.FileNodes, apiNode)
data["root"] = root data["root"] = root
} }