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Diffstat (limited to 'vendor/github.com/go-macaron/inject')
| -rw-r--r-- | vendor/github.com/go-macaron/inject/LICENSE | 191 | ||||
| -rw-r--r-- | vendor/github.com/go-macaron/inject/README.md | 11 | ||||
| -rw-r--r-- | vendor/github.com/go-macaron/inject/inject.go | 262 |
3 files changed, 0 insertions, 464 deletions
diff --git a/vendor/github.com/go-macaron/inject/LICENSE b/vendor/github.com/go-macaron/inject/LICENSE deleted file mode 100644 index 37ec93a1..00000000 --- a/vendor/github.com/go-macaron/inject/LICENSE +++ /dev/null @@ -1,191 +0,0 @@ -Apache License -Version 2.0, January 2004 -http://www.apache.org/licenses/ - -TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - -1. 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We also -recommend that a file or class name and description of purpose be included on -the same "printed page" as the copyright notice for easier identification within -third-party archives. - - Copyright [yyyy] [name of copyright owner] - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. diff --git a/vendor/github.com/go-macaron/inject/README.md b/vendor/github.com/go-macaron/inject/README.md deleted file mode 100644 index c65c7695..00000000 --- a/vendor/github.com/go-macaron/inject/README.md +++ /dev/null @@ -1,11 +0,0 @@ -# inject [](https://travis-ci.org/go-macaron/inject) [](http://gocover.io/github.com/go-macaron/inject) - -Package inject provides utilities for mapping and injecting dependencies in various ways. - -**This a modified version of [codegangsta/inject](https://github.com/codegangsta/inject) for special purpose of Macaron** - -**Please use the original version if you need dependency injection feature** - -## License - -This project is under the Apache License, Version 2.0. See the [LICENSE](LICENSE) file for the full license text.
\ No newline at end of file diff --git a/vendor/github.com/go-macaron/inject/inject.go b/vendor/github.com/go-macaron/inject/inject.go deleted file mode 100644 index 1c1f98ea..00000000 --- a/vendor/github.com/go-macaron/inject/inject.go +++ /dev/null @@ -1,262 +0,0 @@ -// Copyright 2013 Jeremy Saenz -// Copyright 2015 The Macaron Authors -// -// Licensed under the Apache License, Version 2.0 (the "License"): you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT -// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the -// License for the specific language governing permissions and limitations -// under the License. - -// Package inject provides utilities for mapping and injecting dependencies in various ways. -package inject - -import ( - "fmt" - "reflect" -) - -// Injector represents an interface for mapping and injecting dependencies into structs -// and function arguments. -type Injector interface { - Applicator - Invoker - TypeMapper - // SetParent sets the parent of the injector. If the injector cannot find a - // dependency in its Type map it will check its parent before returning an - // error. - SetParent(Injector) -} - -// Applicator represents an interface for mapping dependencies to a struct. -type Applicator interface { - // Maps dependencies in the Type map to each field in the struct - // that is tagged with 'inject'. Returns an error if the injection - // fails. - Apply(interface{}) error -} - -// Invoker represents an interface for calling functions via reflection. -type Invoker interface { - // Invoke attempts to call the interface{} provided as a function, - // providing dependencies for function arguments based on Type. Returns - // a slice of reflect.Value representing the returned values of the function. - // Returns an error if the injection fails. - Invoke(interface{}) ([]reflect.Value, error) -} - -// FastInvoker represents an interface in order to avoid the calling function via reflection. -// -// example: -// type handlerFuncHandler func(http.ResponseWriter, *http.Request) error -// func (f handlerFuncHandler)Invoke([]interface{}) ([]reflect.Value, error){ -// ret := f(p[0].(http.ResponseWriter), p[1].(*http.Request)) -// return []reflect.Value{reflect.ValueOf(ret)}, nil -// } -// -// type funcHandler func(int, string) -// func (f funcHandler)Invoke([]interface{}) ([]reflect.Value, error){ -// f(p[0].(int), p[1].(string)) -// return nil, nil -// } -type FastInvoker interface { - // Invoke attempts to call the ordinary functions. If f is a function - // with the appropriate signature, f.Invoke([]interface{}) is a Call that calls f. - // Returns a slice of reflect.Value representing the returned values of the function. - // Returns an error if the injection fails. - Invoke([]interface{}) ([]reflect.Value, error) -} - -// IsFastInvoker check interface is FastInvoker -func IsFastInvoker(h interface{}) bool { - _, ok := h.(FastInvoker) - return ok -} - -// TypeMapper represents an interface for mapping interface{} values based on type. -type TypeMapper interface { - // Maps the interface{} value based on its immediate type from reflect.TypeOf. - Map(interface{}) TypeMapper - // Maps the interface{} value based on the pointer of an Interface provided. - // This is really only useful for mapping a value as an interface, as interfaces - // cannot at this time be referenced directly without a pointer. - MapTo(interface{}, interface{}) TypeMapper - // Provides a possibility to directly insert a mapping based on type and value. - // This makes it possible to directly map type arguments not possible to instantiate - // with reflect like unidirectional channels. - Set(reflect.Type, reflect.Value) TypeMapper - // Returns the Value that is mapped to the current type. Returns a zeroed Value if - // the Type has not been mapped. - GetVal(reflect.Type) reflect.Value -} - -type injector struct { - values map[reflect.Type]reflect.Value - parent Injector -} - -// InterfaceOf dereferences a pointer to an Interface type. -// It panics if value is not an pointer to an interface. -func InterfaceOf(value interface{}) reflect.Type { - t := reflect.TypeOf(value) - - for t.Kind() == reflect.Ptr { - t = t.Elem() - } - - if t.Kind() != reflect.Interface { - panic("Called inject.InterfaceOf with a value that is not a pointer to an interface. (*MyInterface)(nil)") - } - - return t -} - -// New returns a new Injector. -func New() Injector { - return &injector{ - values: make(map[reflect.Type]reflect.Value), - } -} - -// Invoke attempts to call the interface{} provided as a function, -// providing dependencies for function arguments based on Type. -// Returns a slice of reflect.Value representing the returned values of the function. -// Returns an error if the injection fails. -// It panics if f is not a function -func (inj *injector) Invoke(f interface{}) ([]reflect.Value, error) { - t := reflect.TypeOf(f) - switch v := f.(type) { - case FastInvoker: - return inj.fastInvoke(v, t, t.NumIn()) - default: - return inj.callInvoke(f, t, t.NumIn()) - } -} - -func (inj *injector) fastInvoke(f FastInvoker, t reflect.Type, numIn int) ([]reflect.Value, error) { - var in []interface{} - if numIn > 0 { - in = make([]interface{}, numIn) // Panic if t is not kind of Func - var argType reflect.Type - var val reflect.Value - for i := 0; i < numIn; i++ { - argType = t.In(i) - val = inj.GetVal(argType) - if !val.IsValid() { - return nil, fmt.Errorf("Value not found for type %v", argType) - } - - in[i] = val.Interface() - } - } - return f.Invoke(in) -} - -// callInvoke reflect.Value.Call -func (inj *injector) callInvoke(f interface{}, t reflect.Type, numIn int) ([]reflect.Value, error) { - var in []reflect.Value - if numIn > 0 { - in = make([]reflect.Value, numIn) - var argType reflect.Type - var val reflect.Value - for i := 0; i < numIn; i++ { - argType = t.In(i) - val = inj.GetVal(argType) - if !val.IsValid() { - return nil, fmt.Errorf("Value not found for type %v", argType) - } - - in[i] = val - } - } - return reflect.ValueOf(f).Call(in), nil -} - -// Maps dependencies in the Type map to each field in the struct -// that is tagged with 'inject'. -// Returns an error if the injection fails. -func (inj *injector) Apply(val interface{}) error { - v := reflect.ValueOf(val) - - for v.Kind() == reflect.Ptr { - v = v.Elem() - } - - if v.Kind() != reflect.Struct { - return nil // Should not panic here ? - } - - t := v.Type() - - for i := 0; i < v.NumField(); i++ { - f := v.Field(i) - structField := t.Field(i) - if f.CanSet() && (structField.Tag == "inject" || structField.Tag.Get("inject") != "") { - ft := f.Type() - v := inj.GetVal(ft) - if !v.IsValid() { - return fmt.Errorf("Value not found for type %v", ft) - } - - f.Set(v) - } - - } - - return nil -} - -// Maps the concrete value of val to its dynamic type using reflect.TypeOf, -// It returns the TypeMapper registered in. -func (i *injector) Map(val interface{}) TypeMapper { - i.values[reflect.TypeOf(val)] = reflect.ValueOf(val) - return i -} - -func (i *injector) MapTo(val interface{}, ifacePtr interface{}) TypeMapper { - i.values[InterfaceOf(ifacePtr)] = reflect.ValueOf(val) - return i -} - -// Maps the given reflect.Type to the given reflect.Value and returns -// the Typemapper the mapping has been registered in. -func (i *injector) Set(typ reflect.Type, val reflect.Value) TypeMapper { - i.values[typ] = val - return i -} - -func (i *injector) GetVal(t reflect.Type) reflect.Value { - val := i.values[t] - - if val.IsValid() { - return val - } - - // no concrete types found, try to find implementors - // if t is an interface - if t.Kind() == reflect.Interface { - for k, v := range i.values { - if k.Implements(t) { - val = v - break - } - } - } - - // Still no type found, try to look it up on the parent - if !val.IsValid() && i.parent != nil { - val = i.parent.GetVal(t) - } - - return val - -} - -func (i *injector) SetParent(parent Injector) { - i.parent = parent -} |