github.com/google/yamlfmt@v0.12.2-0.20240514121411-7f77800e2681/linebreak.go (about) 1 // Copyright 2024 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package yamlfmt 16 17 import "fmt" 18 19 type LineBreakStyle string 20 21 const ( 22 LineBreakStyleLF LineBreakStyle = "lf" 23 LineBreakStyleCRLF LineBreakStyle = "crlf" 24 ) 25 26 type UnsupportedLineBreakError struct { 27 style LineBreakStyle 28 } 29 30 func (e UnsupportedLineBreakError) Error() string { 31 return fmt.Sprintf("unsupported line break style %s, see package documentation for supported styles", e.style) 32 } 33 34 func (s LineBreakStyle) Separator() (string, error) { 35 switch s { 36 case LineBreakStyleLF: 37 return "\n", nil 38 case LineBreakStyleCRLF: 39 return "\r\n", nil 40 } 41 return "", UnsupportedLineBreakError{style: s} 42 }