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Improve interface (bring back tofu), add docs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,77 @@ | ||
| package soyhtml | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "io" | ||
|
|
||
| "github.com/robfig/soy/data" | ||
| "github.com/robfig/soy/template" | ||
| ) | ||
|
|
||
| // Tofu is a bundle of compiled soy, ready to render to HTML. | ||
| type Tofu struct { | ||
| registry *template.Registry | ||
| funcs map[string]Func // functions by name | ||
| directives map[string]PrintDirective // print directives by name | ||
| } | ||
|
|
||
| // NewTofu returns a new instance that is ready to provide HTML rendering | ||
| // services for the given templates, with the default functions and print | ||
| // directives. | ||
| func NewTofu(registry *template.Registry) *Tofu { | ||
| return &Tofu{registry, DefaultFuncs, DefaultPrintDirectives} | ||
| } | ||
|
|
||
| // AddFuncs makes funcs available to the template under the given names. | ||
| func (tofu *Tofu) AddFuncs(funcs map[string]Func) *Tofu { | ||
| var newfuncs = make(map[string]Func) | ||
| for k, v := range tofu.funcs { | ||
| newfuncs[k] = v | ||
| } | ||
| for k, v := range funcs { | ||
| newfuncs[k] = v | ||
| } | ||
| tofu.funcs = newfuncs | ||
| return tofu | ||
| } | ||
|
|
||
| // AddDirectives adds print directives | ||
| func (tofu *Tofu) AddDirectives(directives map[string]PrintDirective) *Tofu { | ||
| var newdirectives = make(map[string]PrintDirective) | ||
| for k, v := range tofu.directives { | ||
| newdirectives[k] = v | ||
| } | ||
| for k, v := range directives { | ||
| newdirectives[k] = v | ||
| } | ||
| tofu.directives = newdirectives | ||
| return tofu | ||
| } | ||
|
|
||
| // Render is a convenience function that executes the soy template of the given | ||
| // name, using the given object (converted to data.Map) as context, and writes | ||
| // the results to the given Writer. | ||
| // | ||
| // When converting structs to soy's data format, the DefaultStructOptions are | ||
| // used. In particular, note that struct properties are converted to lowerCamel | ||
| // by default, since that is the Soy naming convention. The caller may update | ||
| // those options to change the behavior of this function. | ||
| func (tofu Tofu) Render(wr io.Writer, name string, obj interface{}) error { | ||
| var m data.Map | ||
| if obj != nil { | ||
| var ok bool | ||
| m, ok = data.New(obj).(data.Map) | ||
| if !ok { | ||
| return fmt.Errorf("invalid data type. expected map/struct, got %T", obj) | ||
| } | ||
| } | ||
| return tofu.NewRenderer(name).Execute(wr, m) | ||
| } | ||
|
|
||
| // NewRenderer returns a new instance of a soy html renderer. | ||
| func (tofu *Tofu) NewRenderer(name string) *Renderer { | ||
| return &Renderer{ | ||
| tofu: tofu, | ||
| name: name, | ||
| } | ||
| } |
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