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Merge pull request #1140 from cr7pt0gr4ph7/doc-pull-request

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Improve documentation of filter.go.
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astaxie 2015-05-04 09:47:25 +08:00
commit b4880c5e1d
1 changed files with 9 additions and 7 deletions
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16
filter.go
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@ -16,11 +16,12 @@ package beego
import "github.com/astaxie/beego/context" import "github.com/astaxie/beego/context"
// FilterFunc defines filter function type. // FilterFunc defines a filter function which is invoked before the controller handler is executed.
type FilterFunc func(*context.Context) type FilterFunc func(*context.Context)
// FilterRouter defines filter operation before controller handler execution. // FilterRouter defines a filter operation which is invoked before the controller handler is executed.
// it can match patterned url and do filter function when action arrives. // It can match the URL against a pattern, and execute a filter function
// when a request with a matching URL arrives.
type FilterRouter struct { type FilterRouter struct {
filterFunc FilterFunc filterFunc FilterFunc
tree *Tree tree *Tree
@ -28,10 +29,11 @@ type FilterRouter struct {
returnOnOutput bool returnOnOutput bool
} }
// ValidRouter check current request is valid for this filter. // ValidRouter checks if the current request is matched by this filter.
// if matched, returns parsed params in this request by defined filter router pattern. // If the request is matched, the values of the URL parameters defined
func (f *FilterRouter) ValidRouter(router string) (bool, map[string]string) { // by the filter pattern are also returned.
isok, params := f.tree.Match(router) func (f *FilterRouter) ValidRouter(url string) (bool, map[string]string) {
isok, params := f.tree.Match(url)
if isok == nil { if isok == nil {
return false, nil return false, nil
} }