99 lines
1.9 KiB
Go
99 lines
1.9 KiB
Go
// Copyright (c) 2017-present Mattermost, Inc. All Rights Reserved.
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// See License.txt for license information.
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package markdown
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import (
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"strings"
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)
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type IndentedCodeLine struct {
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Indentation int
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Range Range
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}
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type IndentedCode struct {
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blockBase
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markdown string
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RawCode []IndentedCodeLine
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}
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func (b *IndentedCode) Code() (result string) {
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for _, code := range b.RawCode {
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result += strings.Repeat(" ", code.Indentation) + b.markdown[code.Range.Position:code.Range.End]
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}
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return
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}
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func (b *IndentedCode) Continuation(indentation int, r Range) *continuation {
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if indentation >= 4 {
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return &continuation{
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Indentation: indentation - 4,
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Remaining: r,
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}
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}
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s := b.markdown[r.Position:r.End]
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if strings.TrimSpace(s) == "" {
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return &continuation{
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Remaining: r,
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}
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}
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return nil
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}
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func (b *IndentedCode) AddLine(indentation int, r Range) bool {
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b.RawCode = append(b.RawCode, IndentedCodeLine{
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Indentation: indentation,
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Range: r,
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})
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return true
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}
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func (b *IndentedCode) Close() {
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for {
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last := b.RawCode[len(b.RawCode)-1]
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s := b.markdown[last.Range.Position:last.Range.End]
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if strings.TrimRight(s, "\r\n") == "" {
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b.RawCode = b.RawCode[:len(b.RawCode)-1]
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} else {
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break
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}
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}
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}
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func (b *IndentedCode) AllowsBlockStarts() bool {
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return false
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}
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func indentedCodeStart(markdown string, indentation int, r Range, matchedBlocks, unmatchedBlocks []Block) []Block {
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if len(unmatchedBlocks) > 0 {
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if _, ok := unmatchedBlocks[len(unmatchedBlocks)-1].(*Paragraph); ok {
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return nil
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}
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} else if len(matchedBlocks) > 0 {
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if _, ok := matchedBlocks[len(matchedBlocks)-1].(*Paragraph); ok {
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return nil
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}
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}
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if indentation < 4 {
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return nil
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}
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s := markdown[r.Position:r.End]
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if strings.TrimSpace(s) == "" {
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return nil
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}
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return []Block{
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&IndentedCode{
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markdown: markdown,
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RawCode: []IndentedCodeLine{{
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Indentation: indentation - 4,
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Range: r,
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}},
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},
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}
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}
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