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Diffstat (limited to 'vendor/github.com/yuin/goldmark/parser/list_item.go')
-rw-r--r--vendor/github.com/yuin/goldmark/parser/list_item.go90
1 files changed, 90 insertions, 0 deletions
diff --git a/vendor/github.com/yuin/goldmark/parser/list_item.go b/vendor/github.com/yuin/goldmark/parser/list_item.go
new file mode 100644
index 000000000..81357a9ad
--- /dev/null
+++ b/vendor/github.com/yuin/goldmark/parser/list_item.go
@@ -0,0 +1,90 @@
+package parser
+
+import (
+ "github.com/yuin/goldmark/ast"
+ "github.com/yuin/goldmark/text"
+ "github.com/yuin/goldmark/util"
+)
+
+type listItemParser struct {
+}
+
+var defaultListItemParser = &listItemParser{}
+
+// NewListItemParser returns a new BlockParser that
+// parses list items.
+func NewListItemParser() BlockParser {
+ return defaultListItemParser
+}
+
+func (b *listItemParser) Trigger() []byte {
+ return []byte{'-', '+', '*', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9'}
+}
+
+func (b *listItemParser) Open(parent ast.Node, reader text.Reader, pc Context) (ast.Node, State) {
+ list, lok := parent.(*ast.List)
+ if !lok { // list item must be a child of a list
+ return nil, NoChildren
+ }
+ offset := lastOffset(list)
+ line, _ := reader.PeekLine()
+ match, typ := matchesListItem(line, false)
+ if typ == notList {
+ return nil, NoChildren
+ }
+ if match[1]-offset > 3 {
+ return nil, NoChildren
+ }
+
+ pc.Set(emptyListItemWithBlankLines, nil)
+
+ itemOffset := calcListOffset(line, match)
+ node := ast.NewListItem(match[3] + itemOffset)
+ if match[4] < 0 || util.IsBlank(line[match[4]:match[5]]) {
+ return node, NoChildren
+ }
+
+ pos, padding := util.IndentPosition(line[match[4]:], match[4], itemOffset)
+ child := match[3] + pos
+ reader.AdvanceAndSetPadding(child, padding)
+ return node, HasChildren
+}
+
+func (b *listItemParser) Continue(node ast.Node, reader text.Reader, pc Context) State {
+ line, _ := reader.PeekLine()
+ if util.IsBlank(line) {
+ reader.Advance(len(line) - 1)
+ return Continue | HasChildren
+ }
+
+ offset := lastOffset(node.Parent())
+ isEmpty := node.ChildCount() == 0
+ indent, _ := util.IndentWidth(line, reader.LineOffset())
+ if (isEmpty || indent < offset) && indent < 4 {
+ _, typ := matchesListItem(line, true)
+ // new list item found
+ if typ != notList {
+ pc.Set(skipListParserKey, listItemFlagValue)
+ return Close
+ }
+ if !isEmpty {
+ return Close
+ }
+ }
+ pos, padding := util.IndentPosition(line, reader.LineOffset(), offset)
+ reader.AdvanceAndSetPadding(pos, padding)
+
+ return Continue | HasChildren
+}
+
+func (b *listItemParser) Close(node ast.Node, reader text.Reader, pc Context) {
+ // nothing to do
+}
+
+func (b *listItemParser) CanInterruptParagraph() bool {
+ return true
+}
+
+func (b *listItemParser) CanAcceptIndentedLine() bool {
+ return false
+}