From 4d253a62ecb060e9aa5254bd76c2685dced72f0b Mon Sep 17 00:00:00 2001 From: thinkerou Date: Wed, 12 Sep 2018 21:02:43 +0800 Subject: [PATCH] add some annotations for render package --- render/data.go | 2 ++ render/html.go | 12 ++++++++++++ render/json.go | 17 +++++++++++++++++ render/json_17.go | 3 +++ render/msgpack.go | 4 ++++ render/protobuf.go | 3 +++ render/reader.go | 3 +++ render/redirect.go | 3 +++ render/render.go | 3 +++ render/text.go | 4 ++++ render/xml.go | 3 +++ render/yaml.go | 3 +++ 12 files changed, 60 insertions(+) diff --git a/render/data.go b/render/data.go index 33194913..6ba657ba 100644 --- a/render/data.go +++ b/render/data.go @@ -6,6 +6,7 @@ package render import "net/http" +// Data contains ContentType and bytes data. type Data struct { ContentType string Data []byte @@ -18,6 +19,7 @@ func (r Data) Render(w http.ResponseWriter) (err error) { return } +// WriteContentType (Data) writes custom ContentType. func (r Data) WriteContentType(w http.ResponseWriter) { writeContentType(w, []string{r.ContentType}) } diff --git a/render/html.go b/render/html.go index 1e3be65b..94e611c4 100644 --- a/render/html.go +++ b/render/html.go @@ -9,20 +9,27 @@ import ( "net/http" ) +// Delims represents a set of Left and Right delimiters for HTML template rendering. type Delims struct { + // Left delimiter, defaults to {{. Left string + // Right delimiter, defaults to }}. Right string } +// HTMLRender interface is to be implemented by HTMLProduction and HTMLDebug. type HTMLRender interface { + // Instance returns an HTML instance. Instance(string, interface{}) Render } +// HTMLProduction contains template reference and its delims. type HTMLProduction struct { Template *template.Template Delims Delims } +// HTMLDebug contains template delims and pattern and function with file list. type HTMLDebug struct { Files []string Glob string @@ -30,6 +37,7 @@ type HTMLDebug struct { FuncMap template.FuncMap } +// HTML contains template reference and its name with given interface object. type HTML struct { Template *template.Template Name string @@ -38,6 +46,7 @@ type HTML struct { var htmlContentType = []string{"text/html; charset=utf-8"} +// Instance (HTMLProduction) returns an HTML instance which it realizes Render interface.. func (r HTMLProduction) Instance(name string, data interface{}) Render { return HTML{ Template: r.Template, @@ -46,6 +55,7 @@ func (r HTMLProduction) Instance(name string, data interface{}) Render { } } +// Instance (HTMLDebug) returns an HTML instance which it realizes Render interface.. func (r HTMLDebug) Instance(name string, data interface{}) Render { return HTML{ Template: r.loadTemplate(), @@ -66,6 +76,7 @@ func (r HTMLDebug) loadTemplate() *template.Template { panic("the HTML debug render was created without files or glob pattern") } +// Render (HTML) executes template and writes its result with custom ContentType for response. func (r HTML) Render(w http.ResponseWriter) error { r.WriteContentType(w) @@ -75,6 +86,7 @@ func (r HTML) Render(w http.ResponseWriter) error { return r.Template.ExecuteTemplate(w, r.Name, r.Data) } +// WriteContentType (HTML) writes HTML ContentType. func (r HTML) WriteContentType(w http.ResponseWriter) { writeContentType(w, htmlContentType) } diff --git a/render/json.go b/render/json.go index f6b7878e..923e1400 100644 --- a/render/json.go +++ b/render/json.go @@ -13,34 +13,41 @@ import ( "github.com/gin-gonic/gin/internal/json" ) +// JSON contains the given interface object. type JSON struct { Data interface{} } +// IndentedJSON contains the given interface object. type IndentedJSON struct { Data interface{} } +// SecureJSON contains the given interface object and its prefix. type SecureJSON struct { Prefix string Data interface{} } +// JsonpJSON contains the given interface object its callback. type JsonpJSON struct { Callback string Data interface{} } +// AsciiJSON contains the given interface object. type AsciiJSON struct { Data interface{} } +// SecureJSONPrefix is a string which represents SecureJSON prefix. type SecureJSONPrefix string var jsonContentType = []string{"application/json; charset=utf-8"} var jsonpContentType = []string{"application/javascript; charset=utf-8"} var jsonAsciiContentType = []string{"application/json"} +// Render (JSON) writes data with custom ContentType. func (r JSON) Render(w http.ResponseWriter) (err error) { if err = WriteJSON(w, r.Data); err != nil { panic(err) @@ -48,10 +55,12 @@ func (r JSON) Render(w http.ResponseWriter) (err error) { return } +// WriteContentType (JSON) writes JSON ContentType. func (r JSON) WriteContentType(w http.ResponseWriter) { writeContentType(w, jsonContentType) } +// WriteJSON marshals the given interface object and writes it with custom ContentType. func WriteJSON(w http.ResponseWriter, obj interface{}) error { writeContentType(w, jsonContentType) jsonBytes, err := json.Marshal(obj) @@ -62,6 +71,7 @@ func WriteJSON(w http.ResponseWriter, obj interface{}) error { return nil } +// Render (IndentedJSON) marshals the given interface object and writes it with custom ContentType. func (r IndentedJSON) Render(w http.ResponseWriter) error { r.WriteContentType(w) jsonBytes, err := json.MarshalIndent(r.Data, "", " ") @@ -72,10 +82,12 @@ func (r IndentedJSON) Render(w http.ResponseWriter) error { return nil } +// WriteContentType (IndentedJSON) writes JSON ContentType. func (r IndentedJSON) WriteContentType(w http.ResponseWriter) { writeContentType(w, jsonContentType) } +// Render (SecureJSON) marshals the given interface object and writes it with custom ContentType. func (r SecureJSON) Render(w http.ResponseWriter) error { r.WriteContentType(w) jsonBytes, err := json.Marshal(r.Data) @@ -90,10 +102,12 @@ func (r SecureJSON) Render(w http.ResponseWriter) error { return nil } +// WriteContentType (SecureJSON) writes JSON ContentType. func (r SecureJSON) WriteContentType(w http.ResponseWriter) { writeContentType(w, jsonContentType) } +// Render (JsonpJSON) marshals the given interface object and writes it and its callback with custom ContentType. func (r JsonpJSON) Render(w http.ResponseWriter) (err error) { r.WriteContentType(w) ret, err := json.Marshal(r.Data) @@ -115,10 +129,12 @@ func (r JsonpJSON) Render(w http.ResponseWriter) (err error) { return nil } +// WriteContentType (JsonpJSON) writes Javascript ContentType. func (r JsonpJSON) WriteContentType(w http.ResponseWriter) { writeContentType(w, jsonpContentType) } +// Render (AsciiJSON) marshals the given interface object and writes it with custom ContentType. func (r AsciiJSON) Render(w http.ResponseWriter) (err error) { r.WriteContentType(w) ret, err := json.Marshal(r.Data) @@ -139,6 +155,7 @@ func (r AsciiJSON) Render(w http.ResponseWriter) (err error) { return nil } +// WriteContentType (AsciiJSON) writes JSON ContentType. func (r AsciiJSON) WriteContentType(w http.ResponseWriter) { writeContentType(w, jsonAsciiContentType) } diff --git a/render/json_17.go b/render/json_17.go index 75f7f374..208193c7 100644 --- a/render/json_17.go +++ b/render/json_17.go @@ -12,10 +12,12 @@ import ( "github.com/gin-gonic/gin/internal/json" ) +// PureJSON contains the given interface object. type PureJSON struct { Data interface{} } +// Render (PureJSON) writes custom ContentType and encodes the given interface object. func (r PureJSON) Render(w http.ResponseWriter) error { r.WriteContentType(w) encoder := json.NewEncoder(w) @@ -23,6 +25,7 @@ func (r PureJSON) Render(w http.ResponseWriter) error { return encoder.Encode(r.Data) } +// WriteContentType (PureJSON) writes custom ContentType. func (r PureJSON) WriteContentType(w http.ResponseWriter) { writeContentType(w, jsonContentType) } diff --git a/render/msgpack.go b/render/msgpack.go index b6b8aa0f..dc681fcf 100644 --- a/render/msgpack.go +++ b/render/msgpack.go @@ -10,20 +10,24 @@ import ( "github.com/ugorji/go/codec" ) +// MsgPack contains the given interface object. type MsgPack struct { Data interface{} } var msgpackContentType = []string{"application/msgpack; charset=utf-8"} +// WriteContentType (MsgPack) writes MsgPack ContentType. func (r MsgPack) WriteContentType(w http.ResponseWriter) { writeContentType(w, msgpackContentType) } +// Render (MsgPack) encodes the given interface object and writes data with custom ContentType. func (r MsgPack) Render(w http.ResponseWriter) error { return WriteMsgPack(w, r.Data) } +// WriteMsgPack writes MsgPack ContentType and encodes the given interface object. func WriteMsgPack(w http.ResponseWriter, obj interface{}) error { writeContentType(w, msgpackContentType) var mh codec.MsgpackHandle diff --git a/render/protobuf.go b/render/protobuf.go index 34f1e9b5..47895072 100644 --- a/render/protobuf.go +++ b/render/protobuf.go @@ -10,12 +10,14 @@ import ( "github.com/golang/protobuf/proto" ) +// ProtoBuf contains the given interface object. type ProtoBuf struct { Data interface{} } var protobufContentType = []string{"application/x-protobuf"} +// Render (ProtoBuf) marshals the given interface object and writes data with custom ContentType. func (r ProtoBuf) Render(w http.ResponseWriter) error { r.WriteContentType(w) @@ -28,6 +30,7 @@ func (r ProtoBuf) Render(w http.ResponseWriter) error { return nil } +// WriteContentType (ProtoBuf) writes ProtoBuf ContentType. func (r ProtoBuf) WriteContentType(w http.ResponseWriter) { writeContentType(w, protobufContentType) } diff --git a/render/reader.go b/render/reader.go index 7a06cce4..ab60e53a 100644 --- a/render/reader.go +++ b/render/reader.go @@ -10,6 +10,7 @@ import ( "strconv" ) +// Reader contains the IO reader and its length, and custom ContentType and other headers. type Reader struct { ContentType string ContentLength int64 @@ -26,10 +27,12 @@ func (r Reader) Render(w http.ResponseWriter) (err error) { return } +// WriteContentType (Reader) writes custom ContentType. func (r Reader) WriteContentType(w http.ResponseWriter) { writeContentType(w, []string{r.ContentType}) } +// writeHeaders writes custom Header. func (r Reader) writeHeaders(w http.ResponseWriter, headers map[string]string) { header := w.Header() for k, v := range headers { diff --git a/render/redirect.go b/render/redirect.go index a0634f5a..9c145fe2 100644 --- a/render/redirect.go +++ b/render/redirect.go @@ -9,12 +9,14 @@ import ( "net/http" ) +// Redirect contains the http request reference and redirects status code and location. type Redirect struct { Code int Request *http.Request Location string } +// Render (Redirect) redirects the http request to new location and writes redirect response. func (r Redirect) Render(w http.ResponseWriter) error { // todo(thinkerou): go1.6 not support StatusPermanentRedirect(308) // when we upgrade go version we can use http.StatusPermanentRedirect @@ -25,4 +27,5 @@ func (r Redirect) Render(w http.ResponseWriter) error { return nil } +// WriteContentType (Redirect) don't write any ContentType. func (r Redirect) WriteContentType(http.ResponseWriter) {} diff --git a/render/render.go b/render/render.go index df0d1d7c..abfc79fc 100644 --- a/render/render.go +++ b/render/render.go @@ -6,8 +6,11 @@ package render import "net/http" +// Render interface is to be implemented by JSON, XML, HTML, YAML and so on. type Render interface { + // Render writes data with custom ContentType. Render(http.ResponseWriter) error + // WriteContentType writes custom ContentType. WriteContentType(w http.ResponseWriter) } diff --git a/render/text.go b/render/text.go index 7a6acc44..2ea7343c 100644 --- a/render/text.go +++ b/render/text.go @@ -10,6 +10,7 @@ import ( "net/http" ) +// String contains the given interface object slice and its format. type String struct { Format string Data []interface{} @@ -17,15 +18,18 @@ type String struct { var plainContentType = []string{"text/plain; charset=utf-8"} +// Render (String) writes data with custom ContentType. func (r String) Render(w http.ResponseWriter) error { WriteString(w, r.Format, r.Data) return nil } +// WriteContentType (String) writes Plain ContentType. func (r String) WriteContentType(w http.ResponseWriter) { writeContentType(w, plainContentType) } +// WriteString writes data according to its format and write custom ContentType. func WriteString(w http.ResponseWriter, format string, data []interface{}) { writeContentType(w, plainContentType) if len(data) > 0 { diff --git a/render/xml.go b/render/xml.go index cff1ac3e..cc5390a2 100644 --- a/render/xml.go +++ b/render/xml.go @@ -9,17 +9,20 @@ import ( "net/http" ) +// XML contains the given interface object. type XML struct { Data interface{} } var xmlContentType = []string{"application/xml; charset=utf-8"} +// Render (XML) encodes the given interface object and writes data with custom ContentType. func (r XML) Render(w http.ResponseWriter) error { r.WriteContentType(w) return xml.NewEncoder(w).Encode(r.Data) } +// WriteContentType (XML) writes XML ContentType for response. func (r XML) WriteContentType(w http.ResponseWriter) { writeContentType(w, xmlContentType) } diff --git a/render/yaml.go b/render/yaml.go index 25d0ebd4..33bc3254 100644 --- a/render/yaml.go +++ b/render/yaml.go @@ -10,12 +10,14 @@ import ( "gopkg.in/yaml.v2" ) +// YAML contains the given interface object. type YAML struct { Data interface{} } var yamlContentType = []string{"application/x-yaml; charset=utf-8"} +// Render (YAML) marshals the given interface object and writes data with custom ContentType. func (r YAML) Render(w http.ResponseWriter) error { r.WriteContentType(w) @@ -28,6 +30,7 @@ func (r YAML) Render(w http.ResponseWriter) error { return nil } +// WriteContentType (YAML) writes YAML ContentType for response. func (r YAML) WriteContentType(w http.ResponseWriter) { writeContentType(w, yamlContentType) }