7b97e04555
* Convert EOL to UNIX-style to render MD properly * Update modules/markup/markdown/markdown.go Co-Authored-By: zeripath <art27@cantab.net> * Fix lint optimization * Check for empty content before conversion * Update modules/util/util.go Co-Authored-By: zeripath <art27@cantab.net> * Improved checks and tests * Add paragraph render test * Improve speed even more, improve tests * Small improvement by @gary-kim * Fix test for DOS * More improvements * Restart CI
103 lines
2.1 KiB
Go
103 lines
2.1 KiB
Go
// Copyright 2017 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package util
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import (
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"bytes"
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"strings"
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)
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// OptionalBool a boolean that can be "null"
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type OptionalBool byte
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const (
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// OptionalBoolNone a "null" boolean value
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OptionalBoolNone = iota
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// OptionalBoolTrue a "true" boolean value
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OptionalBoolTrue
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// OptionalBoolFalse a "false" boolean value
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OptionalBoolFalse
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)
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// IsTrue return true if equal to OptionalBoolTrue
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func (o OptionalBool) IsTrue() bool {
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return o == OptionalBoolTrue
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}
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// IsFalse return true if equal to OptionalBoolFalse
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func (o OptionalBool) IsFalse() bool {
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return o == OptionalBoolFalse
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}
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// IsNone return true if equal to OptionalBoolNone
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func (o OptionalBool) IsNone() bool {
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return o == OptionalBoolNone
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}
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// OptionalBoolOf get the corresponding OptionalBool of a bool
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func OptionalBoolOf(b bool) OptionalBool {
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if b {
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return OptionalBoolTrue
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}
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return OptionalBoolFalse
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}
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// Max max of two ints
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func Max(a, b int) int {
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if a < b {
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return b
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}
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return a
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}
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// Min min of two ints
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func Min(a, b int) int {
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if a > b {
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return b
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}
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return a
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}
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// IsEmptyString checks if the provided string is empty
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func IsEmptyString(s string) bool {
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return len(strings.TrimSpace(s)) == 0
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}
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// NormalizeEOL will convert Windows (CRLF) and Mac (CR) EOLs to UNIX (LF)
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func NormalizeEOL(input []byte) []byte {
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var right, left, pos int
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if right = bytes.IndexByte(input, '\r'); right == -1 {
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return input
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}
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length := len(input)
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tmp := make([]byte, length)
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// We know that left < length because otherwise right would be -1 from IndexByte.
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copy(tmp[pos:pos+right], input[left:left+right])
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pos += right
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tmp[pos] = '\n'
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left += right + 1
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pos++
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for left < length {
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if input[left] == '\n' {
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left++
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}
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right = bytes.IndexByte(input[left:], '\r')
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if right == -1 {
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copy(tmp[pos:], input[left:])
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pos += length - left
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break
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}
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copy(tmp[pos:pos+right], input[left:left+right])
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pos += right
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tmp[pos] = '\n'
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left += right + 1
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pos++
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}
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return tmp[:pos]
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}
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