diff options
Diffstat (limited to 'vendor/gopkg.in/russross/blackfriday.v2/block.go')
| -rw-r--r-- | vendor/gopkg.in/russross/blackfriday.v2/block.go | 101 |
1 files changed, 71 insertions, 30 deletions
diff --git a/vendor/gopkg.in/russross/blackfriday.v2/block.go b/vendor/gopkg.in/russross/blackfriday.v2/block.go index d7da33f..b860747 100644 --- a/vendor/gopkg.in/russross/blackfriday.v2/block.go +++ b/vendor/gopkg.in/russross/blackfriday.v2/block.go @@ -17,6 +17,7 @@ import ( "bytes" "html" "regexp" + "strings" "github.com/shurcooL/sanitized_anchor_name" ) @@ -568,8 +569,8 @@ func (*Markdown) isHRule(data []byte) bool { // isFenceLine checks if there's a fence line (e.g., ``` or ``` go) at the beginning of data, // and returns the end index if so, or 0 otherwise. It also returns the marker found. -// If syntax is not nil, it gets set to the syntax specified in the fence line. -func isFenceLine(data []byte, syntax *string, oldmarker string) (end int, marker string) { +// If info is not nil, it gets set to the syntax specified in the fence line. +func isFenceLine(data []byte, info *string, oldmarker string) (end int, marker string) { i, size := 0, 0 // skip up to three spaces @@ -605,9 +606,9 @@ func isFenceLine(data []byte, syntax *string, oldmarker string) (end int, marker } // TODO(shurcooL): It's probably a good idea to simplify the 2 code paths here - // into one, always get the syntax, and discard it if the caller doesn't care. - if syntax != nil { - syn := 0 + // into one, always get the info string, and discard it if the caller doesn't care. + if info != nil { + infoLength := 0 i = skipChar(data, i, ' ') if i >= len(data) { @@ -617,14 +618,14 @@ func isFenceLine(data []byte, syntax *string, oldmarker string) (end int, marker return 0, "" } - syntaxStart := i + infoStart := i if data[i] == '{' { i++ - syntaxStart++ + infoStart++ for i < len(data) && data[i] != '}' && data[i] != '\n' { - syn++ + infoLength++ i++ } @@ -634,31 +635,30 @@ func isFenceLine(data []byte, syntax *string, oldmarker string) (end int, marker // strip all whitespace at the beginning and the end // of the {} block - for syn > 0 && isspace(data[syntaxStart]) { - syntaxStart++ - syn-- + for infoLength > 0 && isspace(data[infoStart]) { + infoStart++ + infoLength-- } - for syn > 0 && isspace(data[syntaxStart+syn-1]) { - syn-- + for infoLength > 0 && isspace(data[infoStart+infoLength-1]) { + infoLength-- } - i++ + i = skipChar(data, i, ' ') } else { - for i < len(data) && !isspace(data[i]) { - syn++ + for i < len(data) && !isverticalspace(data[i]) { + infoLength++ i++ } } - *syntax = string(data[syntaxStart : syntaxStart+syn]) + *info = strings.TrimSpace(string(data[infoStart : infoStart+infoLength])) } - i = skipChar(data, i, ' ') - if i >= len(data) || data[i] != '\n' { - if i == len(data) { - return i, marker - } + if i == len(data) { + return i, marker + } + if i > len(data) || data[i] != '\n' { return 0, "" } return i + 1, marker // Take newline into account. @@ -668,14 +668,14 @@ func isFenceLine(data []byte, syntax *string, oldmarker string) (end int, marker // or 0 otherwise. It writes to out if doRender is true, otherwise it has no side effects. // If doRender is true, a final newline is mandatory to recognize the fenced code block. func (p *Markdown) fencedCodeBlock(data []byte, doRender bool) int { - var syntax string - beg, marker := isFenceLine(data, &syntax, "") + var info string + beg, marker := isFenceLine(data, &info, "") if beg == 0 || beg >= len(data) { return 0 } var work bytes.Buffer - work.Write([]byte(syntax)) + work.Write([]byte(info)) work.WriteByte('\n') for { @@ -1148,6 +1148,18 @@ func (p *Markdown) list(data []byte, flags ListType) int { return i } +// Returns true if the list item is not the same type as its parent list +func (p *Markdown) listTypeChanged(data []byte, flags *ListType) bool { + if p.dliPrefix(data) > 0 && *flags&ListTypeDefinition == 0 { + return true + } else if p.oliPrefix(data) > 0 && *flags&ListTypeOrdered == 0 { + return true + } else if p.uliPrefix(data) > 0 && (*flags&ListTypeOrdered != 0 || *flags&ListTypeDefinition != 0) { + return true + } + return false +} + // Returns true if block ends with a blank line, descending if needed // into lists and sublists. func endsWithBlankLine(block *Node) bool { @@ -1246,6 +1258,7 @@ func (p *Markdown) listItem(data []byte, flags *ListType) int { // process the following lines containsBlankLine := false sublist := 0 + codeBlockMarker := "" gatherlines: for line < len(data) { @@ -1279,6 +1292,27 @@ gatherlines: chunk := data[line+indentIndex : i] + if p.extensions&FencedCode != 0 { + // determine if in or out of codeblock + // if in codeblock, ignore normal list processing + _, marker := isFenceLine(chunk, nil, codeBlockMarker) + if marker != "" { + if codeBlockMarker == "" { + // start of codeblock + codeBlockMarker = marker + } else { + // end of codeblock. + codeBlockMarker = "" + } + } + // we are in a codeblock, write line, and continue + if codeBlockMarker != "" || marker != "" { + raw.Write(data[line+indentIndex : i]) + line = i + continue gatherlines + } + } + // evaluate how this line fits in switch { // is this a nested list item? @@ -1286,16 +1320,23 @@ gatherlines: p.oliPrefix(chunk) > 0 || p.dliPrefix(chunk) > 0: - if containsBlankLine { - *flags |= ListItemContainsBlock - } - // to be a nested list, it must be indented more - // if not, it is the next item in the same list + // if not, it is either a different kind of list + // or the next item in the same list if indent <= itemIndent { + if p.listTypeChanged(chunk, flags) { + *flags |= ListItemEndOfList + } else if containsBlankLine { + *flags |= ListItemContainsBlock + } + break gatherlines } + if containsBlankLine { + *flags |= ListItemContainsBlock + } + // is this the first item in the nested list? if sublist == 0 { sublist = raw.Len() |