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path: root/vendor/github.com/yuin/goldmark/extension/table.go
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-rw-r--r--vendor/github.com/yuin/goldmark/extension/table.go555
1 files changed, 0 insertions, 555 deletions
diff --git a/vendor/github.com/yuin/goldmark/extension/table.go b/vendor/github.com/yuin/goldmark/extension/table.go
deleted file mode 100644
index ee782a2c5..000000000
--- a/vendor/github.com/yuin/goldmark/extension/table.go
+++ /dev/null
@@ -1,555 +0,0 @@
-package extension
-
-import (
- "bytes"
- "fmt"
- "regexp"
-
- "github.com/yuin/goldmark"
- gast "github.com/yuin/goldmark/ast"
- "github.com/yuin/goldmark/extension/ast"
- "github.com/yuin/goldmark/parser"
- "github.com/yuin/goldmark/renderer"
- "github.com/yuin/goldmark/renderer/html"
- "github.com/yuin/goldmark/text"
- "github.com/yuin/goldmark/util"
-)
-
-var escapedPipeCellListKey = parser.NewContextKey()
-
-type escapedPipeCell struct {
- Cell *ast.TableCell
- Pos []int
- Transformed bool
-}
-
-// TableCellAlignMethod indicates how are table cells aligned in HTML format.
-type TableCellAlignMethod int
-
-const (
- // TableCellAlignDefault renders alignments by default method.
- // With XHTML, alignments are rendered as an align attribute.
- // With HTML5, alignments are rendered as a style attribute.
- TableCellAlignDefault TableCellAlignMethod = iota
-
- // TableCellAlignAttribute renders alignments as an align attribute.
- TableCellAlignAttribute
-
- // TableCellAlignStyle renders alignments as a style attribute.
- TableCellAlignStyle
-
- // TableCellAlignNone does not care about alignments.
- // If you using classes or other styles, you can add these attributes
- // in an ASTTransformer.
- TableCellAlignNone
-)
-
-// TableConfig struct holds options for the extension.
-type TableConfig struct {
- html.Config
-
- // TableCellAlignMethod indicates how are table celss aligned.
- TableCellAlignMethod TableCellAlignMethod
-}
-
-// TableOption interface is a functional option interface for the extension.
-type TableOption interface {
- renderer.Option
- // SetTableOption sets given option to the extension.
- SetTableOption(*TableConfig)
-}
-
-// NewTableConfig returns a new Config with defaults.
-func NewTableConfig() TableConfig {
- return TableConfig{
- Config: html.NewConfig(),
- TableCellAlignMethod: TableCellAlignDefault,
- }
-}
-
-// SetOption implements renderer.SetOptioner.
-func (c *TableConfig) SetOption(name renderer.OptionName, value interface{}) {
- switch name {
- case optTableCellAlignMethod:
- c.TableCellAlignMethod = value.(TableCellAlignMethod)
- default:
- c.Config.SetOption(name, value)
- }
-}
-
-type withTableHTMLOptions struct {
- value []html.Option
-}
-
-func (o *withTableHTMLOptions) SetConfig(c *renderer.Config) {
- if o.value != nil {
- for _, v := range o.value {
- v.(renderer.Option).SetConfig(c)
- }
- }
-}
-
-func (o *withTableHTMLOptions) SetTableOption(c *TableConfig) {
- if o.value != nil {
- for _, v := range o.value {
- v.SetHTMLOption(&c.Config)
- }
- }
-}
-
-// WithTableHTMLOptions is functional option that wraps goldmark HTMLRenderer options.
-func WithTableHTMLOptions(opts ...html.Option) TableOption {
- return &withTableHTMLOptions{opts}
-}
-
-const optTableCellAlignMethod renderer.OptionName = "TableTableCellAlignMethod"
-
-type withTableCellAlignMethod struct {
- value TableCellAlignMethod
-}
-
-func (o *withTableCellAlignMethod) SetConfig(c *renderer.Config) {
- c.Options[optTableCellAlignMethod] = o.value
-}
-
-func (o *withTableCellAlignMethod) SetTableOption(c *TableConfig) {
- c.TableCellAlignMethod = o.value
-}
-
-// WithTableCellAlignMethod is a functional option that indicates how are table cells aligned in HTML format.
-func WithTableCellAlignMethod(a TableCellAlignMethod) TableOption {
- return &withTableCellAlignMethod{a}
-}
-
-func isTableDelim(bs []byte) bool {
- if w, _ := util.IndentWidth(bs, 0); w > 3 {
- return false
- }
- for _, b := range bs {
- if !(util.IsSpace(b) || b == '-' || b == '|' || b == ':') {
- return false
- }
- }
- return true
-}
-
-var tableDelimLeft = regexp.MustCompile(`^\s*\:\-+\s*$`)
-var tableDelimRight = regexp.MustCompile(`^\s*\-+\:\s*$`)
-var tableDelimCenter = regexp.MustCompile(`^\s*\:\-+\:\s*$`)
-var tableDelimNone = regexp.MustCompile(`^\s*\-+\s*$`)
-
-type tableParagraphTransformer struct {
-}
-
-var defaultTableParagraphTransformer = &tableParagraphTransformer{}
-
-// NewTableParagraphTransformer returns a new ParagraphTransformer
-// that can transform paragraphs into tables.
-func NewTableParagraphTransformer() parser.ParagraphTransformer {
- return defaultTableParagraphTransformer
-}
-
-func (b *tableParagraphTransformer) Transform(node *gast.Paragraph, reader text.Reader, pc parser.Context) {
- lines := node.Lines()
- if lines.Len() < 2 {
- return
- }
- for i := 1; i < lines.Len(); i++ {
- alignments := b.parseDelimiter(lines.At(i), reader)
- if alignments == nil {
- continue
- }
- header := b.parseRow(lines.At(i-1), alignments, true, reader, pc)
- if header == nil || len(alignments) != header.ChildCount() {
- return
- }
- table := ast.NewTable()
- table.Alignments = alignments
- table.AppendChild(table, ast.NewTableHeader(header))
- for j := i + 1; j < lines.Len(); j++ {
- table.AppendChild(table, b.parseRow(lines.At(j), alignments, false, reader, pc))
- }
- node.Lines().SetSliced(0, i-1)
- node.Parent().InsertAfter(node.Parent(), node, table)
- if node.Lines().Len() == 0 {
- node.Parent().RemoveChild(node.Parent(), node)
- } else {
- last := node.Lines().At(i - 2)
- last.Stop = last.Stop - 1 // trim last newline(\n)
- node.Lines().Set(i-2, last)
- }
- }
-}
-
-func (b *tableParagraphTransformer) parseRow(segment text.Segment,
- alignments []ast.Alignment, isHeader bool, reader text.Reader, pc parser.Context) *ast.TableRow {
- source := reader.Source()
- segment = segment.TrimLeftSpace(source)
- segment = segment.TrimRightSpace(source)
- line := segment.Value(source)
- pos := 0
- limit := len(line)
- row := ast.NewTableRow(alignments)
- if len(line) > 0 && line[pos] == '|' {
- pos++
- }
- if len(line) > 0 && line[limit-1] == '|' {
- limit--
- }
- i := 0
- for ; pos < limit; i++ {
- alignment := ast.AlignNone
- if i >= len(alignments) {
- if !isHeader {
- return row
- }
- } else {
- alignment = alignments[i]
- }
-
- var escapedCell *escapedPipeCell
- node := ast.NewTableCell()
- node.Alignment = alignment
- hasBacktick := false
- closure := pos
- for ; closure < limit; closure++ {
- if line[closure] == '`' {
- hasBacktick = true
- }
- if line[closure] == '|' {
- if closure == 0 || line[closure-1] != '\\' {
- break
- } else if hasBacktick {
- if escapedCell == nil {
- escapedCell = &escapedPipeCell{node, []int{}, false}
- escapedList := pc.ComputeIfAbsent(escapedPipeCellListKey,
- func() interface{} {
- return []*escapedPipeCell{}
- }).([]*escapedPipeCell)
- escapedList = append(escapedList, escapedCell)
- pc.Set(escapedPipeCellListKey, escapedList)
- }
- escapedCell.Pos = append(escapedCell.Pos, segment.Start+closure-1)
- }
- }
- }
- seg := text.NewSegment(segment.Start+pos, segment.Start+closure)
- seg = seg.TrimLeftSpace(source)
- seg = seg.TrimRightSpace(source)
- node.Lines().Append(seg)
- row.AppendChild(row, node)
- pos = closure + 1
- }
- for ; i < len(alignments); i++ {
- row.AppendChild(row, ast.NewTableCell())
- }
- return row
-}
-
-func (b *tableParagraphTransformer) parseDelimiter(segment text.Segment, reader text.Reader) []ast.Alignment {
-
- line := segment.Value(reader.Source())
- if !isTableDelim(line) {
- return nil
- }
- cols := bytes.Split(line, []byte{'|'})
- if util.IsBlank(cols[0]) {
- cols = cols[1:]
- }
- if len(cols) > 0 && util.IsBlank(cols[len(cols)-1]) {
- cols = cols[:len(cols)-1]
- }
-
- var alignments []ast.Alignment
- for _, col := range cols {
- if tableDelimLeft.Match(col) {
- alignments = append(alignments, ast.AlignLeft)
- } else if tableDelimRight.Match(col) {
- alignments = append(alignments, ast.AlignRight)
- } else if tableDelimCenter.Match(col) {
- alignments = append(alignments, ast.AlignCenter)
- } else if tableDelimNone.Match(col) {
- alignments = append(alignments, ast.AlignNone)
- } else {
- return nil
- }
- }
- return alignments
-}
-
-type tableASTTransformer struct {
-}
-
-var defaultTableASTTransformer = &tableASTTransformer{}
-
-// NewTableASTTransformer returns a parser.ASTTransformer for tables.
-func NewTableASTTransformer() parser.ASTTransformer {
- return defaultTableASTTransformer
-}
-
-func (a *tableASTTransformer) Transform(node *gast.Document, reader text.Reader, pc parser.Context) {
- lst := pc.Get(escapedPipeCellListKey)
- if lst == nil {
- return
- }
- pc.Set(escapedPipeCellListKey, nil)
- for _, v := range lst.([]*escapedPipeCell) {
- if v.Transformed {
- continue
- }
- _ = gast.Walk(v.Cell, func(n gast.Node, entering bool) (gast.WalkStatus, error) {
- if !entering || n.Kind() != gast.KindCodeSpan {
- return gast.WalkContinue, nil
- }
-
- for c := n.FirstChild(); c != nil; {
- next := c.NextSibling()
- if c.Kind() != gast.KindText {
- c = next
- continue
- }
- parent := c.Parent()
- ts := &c.(*gast.Text).Segment
- n := c
- for _, v := range lst.([]*escapedPipeCell) {
- for _, pos := range v.Pos {
- if ts.Start <= pos && pos < ts.Stop {
- segment := n.(*gast.Text).Segment
- n1 := gast.NewRawTextSegment(segment.WithStop(pos))
- n2 := gast.NewRawTextSegment(segment.WithStart(pos + 1))
- parent.InsertAfter(parent, n, n1)
- parent.InsertAfter(parent, n1, n2)
- parent.RemoveChild(parent, n)
- n = n2
- v.Transformed = true
- }
- }
- }
- c = next
- }
- return gast.WalkContinue, nil
- })
- }
-}
-
-// TableHTMLRenderer is a renderer.NodeRenderer implementation that
-// renders Table nodes.
-type TableHTMLRenderer struct {
- TableConfig
-}
-
-// NewTableHTMLRenderer returns a new TableHTMLRenderer.
-func NewTableHTMLRenderer(opts ...TableOption) renderer.NodeRenderer {
- r := &TableHTMLRenderer{
- TableConfig: NewTableConfig(),
- }
- for _, opt := range opts {
- opt.SetTableOption(&r.TableConfig)
- }
- return r
-}
-
-// RegisterFuncs implements renderer.NodeRenderer.RegisterFuncs.
-func (r *TableHTMLRenderer) RegisterFuncs(reg renderer.NodeRendererFuncRegisterer) {
- reg.Register(ast.KindTable, r.renderTable)
- reg.Register(ast.KindTableHeader, r.renderTableHeader)
- reg.Register(ast.KindTableRow, r.renderTableRow)
- reg.Register(ast.KindTableCell, r.renderTableCell)
-}
-
-// TableAttributeFilter defines attribute names which table elements can have.
-//
-// - align: Deprecated
-// - bgcolor: Deprecated
-// - border: Deprecated
-// - cellpadding: Deprecated
-// - cellspacing: Deprecated
-// - frame: Deprecated
-// - rules: Deprecated
-// - summary: Deprecated
-// - width: Deprecated.
-var TableAttributeFilter = html.GlobalAttributeFilter.ExtendString(`align,bgcolor,border,cellpadding,cellspacing,frame,rules,summary,width`) // nolint: lll
-
-func (r *TableHTMLRenderer) renderTable(
- w util.BufWriter, source []byte, n gast.Node, entering bool) (gast.WalkStatus, error) {
- if entering {
- _, _ = w.WriteString("<table")
- if n.Attributes() != nil {
- html.RenderAttributes(w, n, TableAttributeFilter)
- }
- _, _ = w.WriteString(">\n")
- } else {
- _, _ = w.WriteString("</table>\n")
- }
- return gast.WalkContinue, nil
-}
-
-// TableHeaderAttributeFilter defines attribute names which <thead> elements can have.
-//
-// - align: Deprecated since HTML4, Obsolete since HTML5
-// - bgcolor: Not Standardized
-// - char: Deprecated since HTML4, Obsolete since HTML5
-// - charoff: Deprecated since HTML4, Obsolete since HTML5
-// - valign: Deprecated since HTML4, Obsolete since HTML5.
-var TableHeaderAttributeFilter = html.GlobalAttributeFilter.ExtendString(`align,bgcolor,char,charoff,valign`)
-
-func (r *TableHTMLRenderer) renderTableHeader(
- w util.BufWriter, source []byte, n gast.Node, entering bool) (gast.WalkStatus, error) {
- if entering {
- _, _ = w.WriteString("<thead")
- if n.Attributes() != nil {
- html.RenderAttributes(w, n, TableHeaderAttributeFilter)
- }
- _, _ = w.WriteString(">\n")
- _, _ = w.WriteString("<tr>\n") // Header <tr> has no separate handle
- } else {
- _, _ = w.WriteString("</tr>\n")
- _, _ = w.WriteString("</thead>\n")
- if n.NextSibling() != nil {
- _, _ = w.WriteString("<tbody>\n")
- }
- }
- return gast.WalkContinue, nil
-}
-
-// TableRowAttributeFilter defines attribute names which <tr> elements can have.
-//
-// - align: Obsolete since HTML5
-// - bgcolor: Obsolete since HTML5
-// - char: Obsolete since HTML5
-// - charoff: Obsolete since HTML5
-// - valign: Obsolete since HTML5.
-var TableRowAttributeFilter = html.GlobalAttributeFilter.ExtendString(`align,bgcolor,char,charoff,valign`)
-
-func (r *TableHTMLRenderer) renderTableRow(
- w util.BufWriter, source []byte, n gast.Node, entering bool) (gast.WalkStatus, error) {
- if entering {
- _, _ = w.WriteString("<tr")
- if n.Attributes() != nil {
- html.RenderAttributes(w, n, TableRowAttributeFilter)
- }
- _, _ = w.WriteString(">\n")
- } else {
- _, _ = w.WriteString("</tr>\n")
- if n.Parent().LastChild() == n {
- _, _ = w.WriteString("</tbody>\n")
- }
- }
- return gast.WalkContinue, nil
-}
-
-// TableThCellAttributeFilter defines attribute names which table <th> cells can have.
-//
-// - abbr: [OK] Contains a short abbreviated description of the cell's content [NOT OK in <td>]
-// - align: Obsolete since HTML5
-// - axis: Obsolete since HTML5
-// - bgcolor: Not Standardized
-// - char: Obsolete since HTML5
-// - charoff: Obsolete since HTML5
-// - colspan: [OK] Number of columns that the cell is to span
-// - headers: [OK] This attribute contains a list of space-separated strings,
-// each corresponding to the id attribute of the <th> elements that apply to this element
-// - height: Deprecated since HTML4. Obsolete since HTML5
-// - rowspan: [OK] Number of rows that the cell is to span
-// - scope: [OK] This enumerated attribute defines the cells that the header
-// (defined in the <th>) element relates to [NOT OK in <td>]
-// - valign: Obsolete since HTML5
-// - width: Deprecated since HTML4. Obsolete since HTML5.
-var TableThCellAttributeFilter = html.GlobalAttributeFilter.ExtendString(`abbr,align,axis,bgcolor,char,charoff,colspan,headers,height,rowspan,scope,valign,width`) // nolint:lll
-
-// TableTdCellAttributeFilter defines attribute names which table <td> cells can have.
-//
-// - abbr: Obsolete since HTML5. [OK in <th>]
-// - align: Obsolete since HTML5
-// - axis: Obsolete since HTML5
-// - bgcolor: Not Standardized
-// - char: Obsolete since HTML5
-// - charoff: Obsolete since HTML5
-// - colspan: [OK] Number of columns that the cell is to span
-// - headers: [OK] This attribute contains a list of space-separated strings, each corresponding
-// to the id attribute of the <th> elements that apply to this element
-// - height: Deprecated since HTML4. Obsolete since HTML5
-// - rowspan: [OK] Number of rows that the cell is to span
-// - scope: Obsolete since HTML5. [OK in <th>]
-// - valign: Obsolete since HTML5
-// - width: Deprecated since HTML4. Obsolete since HTML5.
-var TableTdCellAttributeFilter = html.GlobalAttributeFilter.ExtendString(`abbr,align,axis,bgcolor,char,charoff,colspan,headers,height,rowspan,scope,valign,width`) // nolint: lll
-
-func (r *TableHTMLRenderer) renderTableCell(
- w util.BufWriter, source []byte, node gast.Node, entering bool) (gast.WalkStatus, error) {
- n := node.(*ast.TableCell)
- tag := "td"
- if n.Parent().Kind() == ast.KindTableHeader {
- tag = "th"
- }
- if entering {
- _, _ = fmt.Fprintf(w, "<%s", tag)
- if n.Alignment != ast.AlignNone {
- amethod := r.TableConfig.TableCellAlignMethod
- if amethod == TableCellAlignDefault {
- if r.Config.XHTML {
- amethod = TableCellAlignAttribute
- } else {
- amethod = TableCellAlignStyle
- }
- }
- switch amethod {
- case TableCellAlignAttribute:
- if _, ok := n.AttributeString("align"); !ok { // Skip align render if overridden
- _, _ = fmt.Fprintf(w, ` align="%s"`, n.Alignment.String())
- }
- case TableCellAlignStyle:
- v, ok := n.AttributeString("style")
- var cob util.CopyOnWriteBuffer
- if ok {
- cob = util.NewCopyOnWriteBuffer(v.([]byte))
- cob.AppendByte(';')
- }
- style := fmt.Sprintf("text-align:%s", n.Alignment.String())
- cob.AppendString(style)
- n.SetAttributeString("style", cob.Bytes())
- }
- }
- if n.Attributes() != nil {
- if tag == "td" {
- html.RenderAttributes(w, n, TableTdCellAttributeFilter) // <td>
- } else {
- html.RenderAttributes(w, n, TableThCellAttributeFilter) // <th>
- }
- }
- _ = w.WriteByte('>')
- } else {
- _, _ = fmt.Fprintf(w, "</%s>\n", tag)
- }
- return gast.WalkContinue, nil
-}
-
-type table struct {
- options []TableOption
-}
-
-// Table is an extension that allow you to use GFM tables .
-var Table = &table{
- options: []TableOption{},
-}
-
-// NewTable returns a new extension with given options.
-func NewTable(opts ...TableOption) goldmark.Extender {
- return &table{
- options: opts,
- }
-}
-
-func (e *table) Extend(m goldmark.Markdown) {
- m.Parser().AddOptions(
- parser.WithParagraphTransformers(
- util.Prioritized(NewTableParagraphTransformer(), 200),
- ),
- parser.WithASTTransformers(
- util.Prioritized(defaultTableASTTransformer, 0),
- ),
- )
- m.Renderer().AddOptions(renderer.WithNodeRenderers(
- util.Prioritized(NewTableHTMLRenderer(e.options...), 500),
- ))
-}