gf/net/ghttp/ghttp_server_service_handler.go
2021-01-17 21:46:25 +08:00

113 lines
3.5 KiB
Go

// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package ghttp
import (
"bytes"
"github.com/gogf/gf/debug/gdebug"
"strings"
"github.com/gogf/gf/text/gstr"
)
// BindHandler registers a handler function to server with given pattern.
func (s *Server) BindHandler(pattern string, handler HandlerFunc) {
s.doBindHandler(pattern, handler, nil, "")
}
// doBindHandler registers a handler function to server with given pattern.
// The parameter <pattern> is like:
// /user/list, put:/user, delete:/user, post:/user@goframe.org
func (s *Server) doBindHandler(
pattern string, handler HandlerFunc,
middleware []HandlerFunc, source string,
) {
s.setHandler(pattern, &handlerItem{
itemName: gdebug.FuncPath(handler),
itemType: handlerTypeHandler,
itemFunc: handler,
middleware: middleware,
source: source,
})
}
// bindHandlerByMap registers handlers to server using map.
func (s *Server) bindHandlerByMap(m map[string]*handlerItem) {
for p, h := range m {
s.setHandler(p, h)
}
}
// mergeBuildInNameToPattern merges build-in names into the pattern according to the following
// rules, and the built-in names are named like "{.xxx}".
// Rule 1: The URI in pattern contains the {.struct} keyword, it then replaces the keyword with the struct name;
// Rule 2: The URI in pattern contains the {.method} keyword, it then replaces the keyword with the method name;
// Rule 2: If Rule 1 is not met, it then adds the method name directly to the URI in the pattern;
//
// The parameter <allowAppend> specifies whether allowing appending method name to the tail of pattern.
func (s *Server) mergeBuildInNameToPattern(pattern string, structName, methodName string, allowAppend bool) string {
structName = s.nameToUri(structName)
methodName = s.nameToUri(methodName)
pattern = strings.Replace(pattern, "{.struct}", structName, -1)
if strings.Index(pattern, "{.method}") != -1 {
return strings.Replace(pattern, "{.method}", methodName, -1)
}
if !allowAppend {
return pattern
}
// Check domain parameter.
array := strings.Split(pattern, "@")
uri := array[0]
uri = strings.TrimRight(uri, "/") + "/" + methodName
// Append the domain parameter to URI.
if len(array) > 1 {
return uri + "@" + array[1]
}
return uri
}
// nameToUri converts the given name to URL format using following rules:
// Rule 0: Convert all method names to lowercase, add char '-' between words.
// Rule 1: Do not convert the method name, construct the URI with the original method name.
// Rule 2: Convert all method names to lowercase, no connecting symbols between words.
// Rule 3: Use camel case naming.
func (s *Server) nameToUri(name string) string {
switch s.config.NameToUriType {
case URI_TYPE_FULLNAME:
return name
case URI_TYPE_ALLLOWER:
return strings.ToLower(name)
case URI_TYPE_CAMEL:
part := bytes.NewBuffer(nil)
if gstr.IsLetterUpper(name[0]) {
part.WriteByte(name[0] + 32)
} else {
part.WriteByte(name[0])
}
part.WriteString(name[1:])
return part.String()
case URI_TYPE_DEFAULT:
fallthrough
default:
part := bytes.NewBuffer(nil)
for i := 0; i < len(name); i++ {
if i > 0 && gstr.IsLetterUpper(name[i]) {
part.WriteByte('-')
}
if gstr.IsLetterUpper(name[i]) {
part.WriteByte(name[i] + 32)
} else {
part.WriteByte(name[i])
}
}
return part.String()
}
}