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feat:add func BeforeHandle to Engine

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This commit is contained in:
zhaotong 2018-09-21 15:24:45 +08:00
parent a210eea3bd
commit ead3f654d6
1 changed files with 13 additions and 2 deletions
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15
gin.go
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@ -104,6 +104,11 @@ type Engine struct {
noMethod HandlersChain
pool sync.Pool
trees methodTrees
// If defiend, invoke before `handleHTTPRequest`
// Change `httpMethod`, `path`, `rawPath` for complex route match,it will not change origin `Context.Request`
// Note: If necessary, DON'T MODIFIY `Context`
BeforeHandle func(c *Context, httpMethod, path, rawPath *string)
}
var _ IRouter = &Engine{}
@ -342,9 +347,15 @@ func (engine *Engine) HandleContext(c *Context) {
func (engine *Engine) handleHTTPRequest(c *Context) {
httpMethod := c.Request.Method
path := c.Request.URL.Path
rawPath := c.Request.URL.RawPath
if engine.BeforeHandle != nil {
engine.BeforeHandle(c, &httpMethod, &path, &rawPath)
}
unescape := false
if engine.UseRawPath && len(c.Request.URL.RawPath) > 0 {
path = c.Request.URL.RawPath
if engine.UseRawPath && len(rawPath) > 0 {
path = rawPath
unescape = engine.UnescapePathValues
}