mirror of https://github.com/go-gitea/gitea.git
88 lines
2.3 KiB
Go
88 lines
2.3 KiB
Go
|
// Copyright (c) 2016 Couchbase, Inc.
|
||
|
|
//
|
||
|
|
// 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 camelcase
|
||
|
|
|
||
|
|
import (
|
||
|
|
"unicode"
|
||
|
|
)
|
||
|
|
|
||
|
|
// States codify the classes that the parser recognizes.
|
||
|
|
type State interface {
|
||
|
|
// is _sym_ the start character
|
||
|
|
StartSym(sym rune) bool
|
||
|
|
|
||
|
|
// is _sym_ a member of a class.
|
||
|
|
// peek, the next sym on the tape, can also be used to determine a class.
|
||
|
|
Member(sym rune, peek *rune) bool
|
||
|
|
}
|
||
|
|
|
||
|
|
type LowerCaseState struct{}
|
||
|
|
|
||
|
|
func (s *LowerCaseState) Member(sym rune, peek *rune) bool {
|
||
|
|
return unicode.IsLower(sym)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *LowerCaseState) StartSym(sym rune) bool {
|
||
|
|
return s.Member(sym, nil)
|
||
|
|
}
|
||
|
|
|
||
|
|
type UpperCaseState struct {
|
||
|
|
startedCollecting bool // denotes that the start character has been read
|
||
|
|
collectingUpper bool // denotes if this is a class of all upper case letters
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *UpperCaseState) Member(sym rune, peek *rune) bool {
|
||
|
|
if !(unicode.IsLower(sym) || unicode.IsUpper(sym)) {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
|
||
|
|
if peek != nil && unicode.IsUpper(sym) && unicode.IsLower(*peek) {
|
||
|
|
return false
|
||
|
|
}
|
||
|
|
|
||
|
|
if !s.startedCollecting {
|
||
|
|
// now we have to determine if upper-case letters are collected.
|
||
|
|
s.startedCollecting = true
|
||
|
|
s.collectingUpper = unicode.IsUpper(sym)
|
||
|
|
return true
|
||
|
|
}
|
||
|
|
|
||
|
|
return s.collectingUpper == unicode.IsUpper(sym)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *UpperCaseState) StartSym(sym rune) bool {
|
||
|
|
return unicode.IsUpper(sym)
|
||
|
|
}
|
||
|
|
|
||
|
|
type NumberCaseState struct{}
|
||
|
|
|
||
|
|
func (s *NumberCaseState) Member(sym rune, peek *rune) bool {
|
||
|
|
return unicode.IsNumber(sym)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *NumberCaseState) StartSym(sym rune) bool {
|
||
|
|
return s.Member(sym, nil)
|
||
|
|
}
|
||
|
|
|
||
|
|
type NonAlphaNumericCaseState struct{}
|
||
|
|
|
||
|
|
func (s *NonAlphaNumericCaseState) Member(sym rune, peek *rune) bool {
|
||
|
|
return !unicode.IsLower(sym) && !unicode.IsUpper(sym) && !unicode.IsNumber(sym)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (s *NonAlphaNumericCaseState) StartSym(sym rune) bool {
|
||
|
|
return s.Member(sym, nil)
|
||
|
|
}
|