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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package markdown
import (
"strings"
)
type IndentedCodeLine struct {
Indentation int
Range Range
}
type IndentedCode struct {
blockBase
markdown string
RawCode []IndentedCodeLine
}
func (b *IndentedCode) Code() (result string) {
for _, code := range b.RawCode {
result += strings.Repeat(" ", code.Indentation) + b.markdown[code.Range.Position:code.Range.End]
}
return
}
func (b *IndentedCode) Continuation(indentation int, r Range) *continuation {
if indentation >= 4 {
return &continuation{
Indentation: indentation - 4,
Remaining: r,
}
}
s := b.markdown[r.Position:r.End]
if strings.TrimSpace(s) == "" {
return &continuation{
Remaining: r,
}
}
return nil
}
func (b *IndentedCode) AddLine(indentation int, r Range) bool {
b.RawCode = append(b.RawCode, IndentedCodeLine{
Indentation: indentation,
Range: r,
})
return true
}
func (b *IndentedCode) Close() {
for {
last := b.RawCode[len(b.RawCode)-1]
s := b.markdown[last.Range.Position:last.Range.End]
if strings.TrimRight(s, "\r\n") == "" {
b.RawCode = b.RawCode[:len(b.RawCode)-1]
} else {
break
}
}
}
func (b *IndentedCode) AllowsBlockStarts() bool {
return false
}
func indentedCodeStart(markdown string, indentation int, r Range, matchedBlocks, unmatchedBlocks []Block) []Block {
if len(unmatchedBlocks) > 0 {
if _, ok := unmatchedBlocks[len(unmatchedBlocks)-1].(*Paragraph); ok {
return nil
}
} else if len(matchedBlocks) > 0 {
if _, ok := matchedBlocks[len(matchedBlocks)-1].(*Paragraph); ok {
return nil
}
}
if indentation < 4 {
return nil
}
s := markdown[r.Position:r.End]
if strings.TrimSpace(s) == "" {
return nil
}
return []Block{
&IndentedCode{
markdown: markdown,
RawCode: []IndentedCodeLine{{
Indentation: indentation - 4,
Range: r,
}},
},
}
}
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