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path: root/vendor/golang.org/x/net/html/parse.go
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Diffstat (limited to 'vendor/golang.org/x/net/html/parse.go')
-rw-r--r--vendor/golang.org/x/net/html/parse.go370
1 files changed, 293 insertions, 77 deletions
diff --git a/vendor/golang.org/x/net/html/parse.go b/vendor/golang.org/x/net/html/parse.go
index be4b2bf..7e539b1 100644
--- a/vendor/golang.org/x/net/html/parse.go
+++ b/vendor/golang.org/x/net/html/parse.go
@@ -25,20 +25,22 @@ type parser struct {
hasSelfClosingToken bool
// doc is the document root element.
doc *Node
- // The stack of open elements (section 12.2.3.2) and active formatting
- // elements (section 12.2.3.3).
+ // The stack of open elements (section 12.2.4.2) and active formatting
+ // elements (section 12.2.4.3).
oe, afe nodeStack
- // Element pointers (section 12.2.3.4).
+ // Element pointers (section 12.2.4.4).
head, form *Node
- // Other parsing state flags (section 12.2.3.5).
+ // Other parsing state flags (section 12.2.4.5).
scripting, framesetOK bool
+ // The stack of template insertion modes
+ templateStack insertionModeStack
// im is the current insertion mode.
im insertionMode
// originalIM is the insertion mode to go back to after completing a text
// or inTableText insertion mode.
originalIM insertionMode
// fosterParenting is whether new elements should be inserted according to
- // the foster parenting rules (section 12.2.5.3).
+ // the foster parenting rules (section 12.2.6.1).
fosterParenting bool
// quirks is whether the parser is operating in "quirks mode."
quirks bool
@@ -56,7 +58,7 @@ func (p *parser) top() *Node {
return p.doc
}
-// Stop tags for use in popUntil. These come from section 12.2.3.2.
+// Stop tags for use in popUntil. These come from section 12.2.4.2.
var (
defaultScopeStopTags = map[string][]a.Atom{
"": {a.Applet, a.Caption, a.Html, a.Table, a.Td, a.Th, a.Marquee, a.Object, a.Template},
@@ -79,7 +81,7 @@ const (
// popUntil pops the stack of open elements at the highest element whose tag
// is in matchTags, provided there is no higher element in the scope's stop
-// tags (as defined in section 12.2.3.2). It returns whether or not there was
+// tags (as defined in section 12.2.4.2). It returns whether or not there was
// such an element. If there was not, popUntil leaves the stack unchanged.
//
// For example, the set of stop tags for table scope is: "html", "table". If
@@ -126,7 +128,7 @@ func (p *parser) indexOfElementInScope(s scope, matchTags ...a.Atom) int {
return -1
}
case tableScope:
- if tagAtom == a.Html || tagAtom == a.Table {
+ if tagAtom == a.Html || tagAtom == a.Table || tagAtom == a.Template {
return -1
}
case selectScope:
@@ -162,17 +164,17 @@ func (p *parser) clearStackToContext(s scope) {
tagAtom := p.oe[i].DataAtom
switch s {
case tableScope:
- if tagAtom == a.Html || tagAtom == a.Table {
+ if tagAtom == a.Html || tagAtom == a.Table || tagAtom == a.Template {
p.oe = p.oe[:i+1]
return
}
case tableRowScope:
- if tagAtom == a.Html || tagAtom == a.Tr {
+ if tagAtom == a.Html || tagAtom == a.Tr || tagAtom == a.Template {
p.oe = p.oe[:i+1]
return
}
case tableBodyScope:
- if tagAtom == a.Html || tagAtom == a.Tbody || tagAtom == a.Tfoot || tagAtom == a.Thead {
+ if tagAtom == a.Html || tagAtom == a.Tbody || tagAtom == a.Tfoot || tagAtom == a.Thead || tagAtom == a.Template {
p.oe = p.oe[:i+1]
return
}
@@ -183,7 +185,7 @@ func (p *parser) clearStackToContext(s scope) {
}
// generateImpliedEndTags pops nodes off the stack of open elements as long as
-// the top node has a tag name of dd, dt, li, option, optgroup, p, rp, or rt.
+// the top node has a tag name of dd, dt, li, optgroup, option, p, rb, rp, rt or rtc.
// If exceptions are specified, nodes with that name will not be popped off.
func (p *parser) generateImpliedEndTags(exceptions ...string) {
var i int
@@ -192,7 +194,7 @@ loop:
n := p.oe[i]
if n.Type == ElementNode {
switch n.DataAtom {
- case a.Dd, a.Dt, a.Li, a.Option, a.Optgroup, a.P, a.Rp, a.Rt:
+ case a.Dd, a.Dt, a.Li, a.Optgroup, a.Option, a.P, a.Rb, a.Rp, a.Rt, a.Rtc:
for _, except := range exceptions {
if n.Data == except {
break loop
@@ -207,6 +209,27 @@ loop:
p.oe = p.oe[:i+1]
}
+// generateAllImpliedEndTags pops nodes off the stack of open elements as long as
+// the top node has a tag name of caption, colgroup, dd, div, dt, li, optgroup, option, p, rb,
+// rp, rt, rtc, span, tbody, td, tfoot, th, thead or tr.
+func (p *parser) generateAllImpliedEndTags() {
+ var i int
+ for i = len(p.oe) - 1; i >= 0; i-- {
+ n := p.oe[i]
+ if n.Type == ElementNode {
+ switch n.DataAtom {
+ // TODO: remove this divergence from the HTML5 spec
+ case a.Caption, a.Colgroup, a.Dd, a.Div, a.Dt, a.Li, a.Optgroup, a.Option, a.P, a.Rb,
+ a.Rp, a.Rt, a.Rtc, a.Span, a.Tbody, a.Td, a.Tfoot, a.Th, a.Thead, a.Tr:
+ continue
+ }
+ }
+ break
+ }
+
+ p.oe = p.oe[:i+1]
+}
+
// addChild adds a child node n to the top element, and pushes n onto the stack
// of open elements if it is an element node.
func (p *parser) addChild(n *Node) {
@@ -234,9 +257,9 @@ func (p *parser) shouldFosterParent() bool {
}
// fosterParent adds a child node according to the foster parenting rules.
-// Section 12.2.5.3, "foster parenting".
+// Section 12.2.6.1, "foster parenting".
func (p *parser) fosterParent(n *Node) {
- var table, parent, prev *Node
+ var table, parent, prev, template *Node
var i int
for i = len(p.oe) - 1; i >= 0; i-- {
if p.oe[i].DataAtom == a.Table {
@@ -245,6 +268,19 @@ func (p *parser) fosterParent(n *Node) {
}
}
+ var j int
+ for j = len(p.oe) - 1; j >= 0; j-- {
+ if p.oe[j].DataAtom == a.Template {
+ template = p.oe[j]
+ break
+ }
+ }
+
+ if template != nil && (table == nil || j < i) {
+ template.AppendChild(n)
+ return
+ }
+
if table == nil {
// The foster parent is the html element.
parent = p.oe[0]
@@ -304,7 +340,7 @@ func (p *parser) addElement() {
})
}
-// Section 12.2.3.3.
+// Section 12.2.4.3.
func (p *parser) addFormattingElement() {
tagAtom, attr := p.tok.DataAtom, p.tok.Attr
p.addElement()
@@ -351,7 +387,7 @@ findIdenticalElements:
p.afe = append(p.afe, p.top())
}
-// Section 12.2.3.3.
+// Section 12.2.4.3.
func (p *parser) clearActiveFormattingElements() {
for {
n := p.afe.pop()
@@ -361,7 +397,7 @@ func (p *parser) clearActiveFormattingElements() {
}
}
-// Section 12.2.3.3.
+// Section 12.2.4.3.
func (p *parser) reconstructActiveFormattingElements() {
n := p.afe.top()
if n == nil {
@@ -390,12 +426,12 @@ func (p *parser) reconstructActiveFormattingElements() {
}
}
-// Section 12.2.4.
+// Section 12.2.5.
func (p *parser) acknowledgeSelfClosingTag() {
p.hasSelfClosingToken = false
}
-// An insertion mode (section 12.2.3.1) is the state transition function from
+// An insertion mode (section 12.2.4.1) is the state transition function from
// a particular state in the HTML5 parser's state machine. It updates the
// parser's fields depending on parser.tok (where ErrorToken means EOF).
// It returns whether the token was consumed.
@@ -403,7 +439,7 @@ type insertionMode func(*parser) bool
// setOriginalIM sets the insertion mode to return to after completing a text or
// inTableText insertion mode.
-// Section 12.2.3.1, "using the rules for".
+// Section 12.2.4.1, "using the rules for".
func (p *parser) setOriginalIM() {
if p.originalIM != nil {
panic("html: bad parser state: originalIM was set twice")
@@ -411,18 +447,38 @@ func (p *parser) setOriginalIM() {
p.originalIM = p.im
}
-// Section 12.2.3.1, "reset the insertion mode".
+// Section 12.2.4.1, "reset the insertion mode".
func (p *parser) resetInsertionMode() {
for i := len(p.oe) - 1; i >= 0; i-- {
n := p.oe[i]
- if i == 0 && p.context != nil {
+ last := i == 0
+ if last && p.context != nil {
n = p.context
}
switch n.DataAtom {
case a.Select:
+ if !last {
+ for ancestor, first := n, p.oe[0]; ancestor != first; {
+ if ancestor == first {
+ break
+ }
+ ancestor = p.oe[p.oe.index(ancestor)-1]
+ switch ancestor.DataAtom {
+ case a.Template:
+ p.im = inSelectIM
+ return
+ case a.Table:
+ p.im = inSelectInTableIM
+ return
+ }
+ }
+ }
p.im = inSelectIM
case a.Td, a.Th:
+ // TODO: remove this divergence from the HTML5 spec.
+ //
+ // See https://bugs.chromium.org/p/chromium/issues/detail?id=829668
p.im = inCellIM
case a.Tr:
p.im = inRowIM
@@ -434,25 +490,37 @@ func (p *parser) resetInsertionMode() {
p.im = inColumnGroupIM
case a.Table:
p.im = inTableIM
+ case a.Template:
+ p.im = p.templateStack.top()
case a.Head:
- p.im = inBodyIM
+ // TODO: remove this divergence from the HTML5 spec.
+ //
+ // See https://bugs.chromium.org/p/chromium/issues/detail?id=829668
+ p.im = inHeadIM
case a.Body:
p.im = inBodyIM
case a.Frameset:
p.im = inFramesetIM
case a.Html:
- p.im = beforeHeadIM
+ if p.head == nil {
+ p.im = beforeHeadIM
+ } else {
+ p.im = afterHeadIM
+ }
default:
+ if last {
+ p.im = inBodyIM
+ return
+ }
continue
}
return
}
- p.im = inBodyIM
}
const whitespace = " \t\r\n\f"
-// Section 12.2.5.4.1.
+// Section 12.2.6.4.1.
func initialIM(p *parser) bool {
switch p.tok.Type {
case TextToken:
@@ -479,7 +547,7 @@ func initialIM(p *parser) bool {
return false
}
-// Section 12.2.5.4.2.
+// Section 12.2.6.4.2.
func beforeHTMLIM(p *parser) bool {
switch p.tok.Type {
case DoctypeToken:
@@ -517,7 +585,7 @@ func beforeHTMLIM(p *parser) bool {
return false
}
-// Section 12.2.5.4.3.
+// Section 12.2.6.4.3.
func beforeHeadIM(p *parser) bool {
switch p.tok.Type {
case TextToken:
@@ -560,7 +628,7 @@ func beforeHeadIM(p *parser) bool {
return false
}
-// Section 12.2.5.4.4.
+// Section 12.2.6.4.4.
func inHeadIM(p *parser) bool {
switch p.tok.Type {
case TextToken:
@@ -590,19 +658,36 @@ func inHeadIM(p *parser) bool {
case a.Head:
// Ignore the token.
return true
+ case a.Template:
+ p.addElement()
+ p.afe = append(p.afe, &scopeMarker)
+ p.framesetOK = false
+ p.im = inTemplateIM
+ p.templateStack = append(p.templateStack, inTemplateIM)
+ return true
}
case EndTagToken:
switch p.tok.DataAtom {
case a.Head:
- n := p.oe.pop()
- if n.DataAtom != a.Head {
- panic("html: bad parser state: <head> element not found, in the in-head insertion mode")
- }
+ p.oe.pop()
p.im = afterHeadIM
return true
case a.Body, a.Html, a.Br:
p.parseImpliedToken(EndTagToken, a.Head, a.Head.String())
return false
+ case a.Template:
+ if !p.oe.contains(a.Template) {
+ return true
+ }
+ p.generateAllImpliedEndTags()
+ if n := p.oe.top(); n.DataAtom != a.Template {
+ return true
+ }
+ p.popUntil(defaultScope, a.Template)
+ p.clearActiveFormattingElements()
+ p.templateStack.pop()
+ p.resetInsertionMode()
+ return true
default:
// Ignore the token.
return true
@@ -622,7 +707,7 @@ func inHeadIM(p *parser) bool {
return false
}
-// Section 12.2.5.4.6.
+// Section 12.2.6.4.6.
func afterHeadIM(p *parser) bool {
switch p.tok.Type {
case TextToken:
@@ -648,7 +733,7 @@ func afterHeadIM(p *parser) bool {
p.addElement()
p.im = inFramesetIM
return true
- case a.Base, a.Basefont, a.Bgsound, a.Link, a.Meta, a.Noframes, a.Script, a.Style, a.Title:
+ case a.Base, a.Basefont, a.Bgsound, a.Link, a.Meta, a.Noframes, a.Script, a.Style, a.Template, a.Title:
p.oe = append(p.oe, p.head)
defer p.oe.remove(p.head)
return inHeadIM(p)
@@ -660,6 +745,8 @@ func afterHeadIM(p *parser) bool {
switch p.tok.DataAtom {
case a.Body, a.Html, a.Br:
// Drop down to creating an implied <body> tag.
+ case a.Template:
+ return inHeadIM(p)
default:
// Ignore the token.
return true
@@ -697,7 +784,7 @@ func copyAttributes(dst *Node, src Token) {
}
}
-// Section 12.2.5.4.7.
+// Section 12.2.6.4.7.
func inBodyIM(p *parser) bool {
switch p.tok.Type {
case TextToken:
@@ -727,10 +814,16 @@ func inBodyIM(p *parser) bool {
case StartTagToken:
switch p.tok.DataAtom {
case a.Html:
+ if p.oe.contains(a.Template) {
+ return true
+ }
copyAttributes(p.oe[0], p.tok)
- case a.Base, a.Basefont, a.Bgsound, a.Command, a.Link, a.Meta, a.Noframes, a.Script, a.Style, a.Title:
+ case a.Base, a.Basefont, a.Bgsound, a.Command, a.Link, a.Meta, a.Noframes, a.Script, a.Style, a.Template, a.Title:
return inHeadIM(p)
case a.Body:
+ if p.oe.contains(a.Template) {
+ return true
+ }
if len(p.oe) >= 2 {
body := p.oe[1]
if body.Type == ElementNode && body.DataAtom == a.Body {
@@ -767,9 +860,13 @@ func inBodyIM(p *parser) bool {
// The newline, if any, will be dealt with by the TextToken case.
p.framesetOK = false
case a.Form:
- if p.form == nil {
- p.popUntil(buttonScope, a.P)
- p.addElement()
+ if p.form != nil && !p.oe.contains(a.Template) {
+ // Ignore the token
+ return true
+ }
+ p.popUntil(buttonScope, a.P)
+ p.addElement()
+ if !p.oe.contains(a.Template) {
p.form = p.top()
}
case a.Li:
@@ -952,11 +1049,16 @@ func inBodyIM(p *parser) bool {
}
p.reconstructActiveFormattingElements()
p.addElement()
- case a.Rp, a.Rt:
+ case a.Rb, a.Rtc:
if p.elementInScope(defaultScope, a.Ruby) {
p.generateImpliedEndTags()
}
p.addElement()
+ case a.Rp, a.Rt:
+ if p.elementInScope(defaultScope, a.Ruby) {
+ p.generateImpliedEndTags("rtc")
+ }
+ p.addElement()
case a.Math, a.Svg:
p.reconstructActiveFormattingElements()
if p.tok.DataAtom == a.Math {
@@ -972,7 +1074,13 @@ func inBodyIM(p *parser) bool {
p.acknowledgeSelfClosingTag()
}
return true
- case a.Caption, a.Col, a.Colgroup, a.Frame, a.Head, a.Tbody, a.Td, a.Tfoot, a.Th, a.Thead, a.Tr:
+ case a.Frame:
+ // TODO: remove this divergence from the HTML5 spec.
+ if p.oe.contains(a.Template) {
+ p.addElement()
+ return true
+ }
+ case a.Caption, a.Col, a.Colgroup, a.Head, a.Tbody, a.Td, a.Tfoot, a.Th, a.Thead, a.Tr:
// Ignore the token.
default:
p.reconstructActiveFormattingElements()
@@ -993,15 +1101,29 @@ func inBodyIM(p *parser) bool {
case a.Address, a.Article, a.Aside, a.Blockquote, a.Button, a.Center, a.Details, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Listing, a.Menu, a.Nav, a.Ol, a.Pre, a.Section, a.Summary, a.Ul:
p.popUntil(defaultScope, p.tok.DataAtom)
case a.Form:
- node := p.form
- p.form = nil
- i := p.indexOfElementInScope(defaultScope, a.Form)
- if node == nil || i == -1 || p.oe[i] != node {
- // Ignore the token.
- return true
+ if p.oe.contains(a.Template) {
+ i := p.indexOfElementInScope(defaultScope, a.Form)
+ if i == -1 {
+ // Ignore the token.
+ return true
+ }
+ p.generateImpliedEndTags()
+ if p.oe[i].DataAtom != a.Form {
+ // Ignore the token.
+ return true
+ }
+ p.popUntil(defaultScope, a.Form)
+ } else {
+ node := p.form
+ p.form = nil
+ i := p.indexOfElementInScope(defaultScope, a.Form)
+ if node == nil || i == -1 || p.oe[i] != node {
+ // Ignore the token.
+ return true
+ }
+ p.generateImpliedEndTags()
+ p.oe.remove(node)
}
- p.generateImpliedEndTags()
- p.oe.remove(node)
case a.P:
if !p.elementInScope(buttonScope, a.P) {
p.parseImpliedToken(StartTagToken, a.P, a.P.String())
@@ -1022,6 +1144,8 @@ func inBodyIM(p *parser) bool {
case a.Br:
p.tok.Type = StartTagToken
return false
+ case a.Template:
+ return inHeadIM(p)
default:
p.inBodyEndTagOther(p.tok.DataAtom)
}
@@ -1030,6 +1154,21 @@ func inBodyIM(p *parser) bool {
Type: CommentNode,
Data: p.tok.Data,
})
+ case ErrorToken:
+ // TODO: remove this divergence from the HTML5 spec.
+ if len(p.templateStack) > 0 {
+ p.im = inTemplateIM
+ return false
+ } else {
+ for _, e := range p.oe {
+ switch e.DataAtom {
+ case a.Dd, a.Dt, a.Li, a.Optgroup, a.Option, a.P, a.Rb, a.Rp, a.Rt, a.Rtc, a.Tbody, a.Td, a.Tfoot, a.Th,
+ a.Thead, a.Tr, a.Body, a.Html:
+ default:
+ return true
+ }
+ }
+ }
}
return true
@@ -1135,6 +1274,12 @@ func (p *parser) inBodyEndTagFormatting(tagAtom a.Atom) {
switch commonAncestor.DataAtom {
case a.Table, a.Tbody, a.Tfoot, a.Thead, a.Tr:
p.fosterParent(lastNode)
+ case a.Template:
+ // TODO: remove namespace checking
+ if commonAncestor.Namespace == "html" {
+ commonAncestor = commonAncestor.LastChild
+ }
+ fallthrough
default:
commonAncestor.AppendChild(lastNode)
}
@@ -1160,7 +1305,7 @@ func (p *parser) inBodyEndTagFormatting(tagAtom a.Atom) {
}
// inBodyEndTagOther performs the "any other end tag" algorithm for inBodyIM.
-// "Any other end tag" handling from 12.2.5.5 The rules for parsing tokens in foreign content
+// "Any other end tag" handling from 12.2.6.5 The rules for parsing tokens in foreign content
// https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inforeign
func (p *parser) inBodyEndTagOther(tagAtom a.Atom) {
for i := len(p.oe) - 1; i >= 0; i-- {
@@ -1174,7 +1319,7 @@ func (p *parser) inBodyEndTagOther(tagAtom a.Atom) {
}
}
-// Section 12.2.5.4.8.
+// Section 12.2.6.4.8.
func textIM(p *parser) bool {
switch p.tok.Type {
case ErrorToken:
@@ -1203,7 +1348,7 @@ func textIM(p *parser) bool {
return p.tok.Type == EndTagToken
}
-// Section 12.2.5.4.9.
+// Section 12.2.6.4.9.
func inTableIM(p *parser) bool {
switch p.tok.Type {
case ErrorToken:
@@ -1249,7 +1394,7 @@ func inTableIM(p *parser) bool {
}
// Ignore the token.
return true
- case a.Style, a.Script:
+ case a.Style, a.Script, a.Template:
return inHeadIM(p)
case a.Input:
for _, t := range p.tok.Attr {
@@ -1261,7 +1406,7 @@ func inTableIM(p *parser) bool {
}
// Otherwise drop down to the default action.
case a.Form:
- if p.form != nil {
+ if p.oe.contains(a.Template) || p.form != nil {
// Ignore the token.
return true
}
@@ -1291,6 +1436,8 @@ func inTableIM(p *parser) bool {
case a.Body, a.Caption, a.Col, a.Colgroup, a.Html, a.Tbody, a.Td, a.Tfoot, a.Th, a.Thead, a.Tr:
// Ignore the token.
return true
+ case a.Template:
+ return inHeadIM(p)
}
case CommentToken:
p.addChild(&Node{
@@ -1309,7 +1456,7 @@ func inTableIM(p *parser) bool {
return inBodyIM(p)
}
-// Section 12.2.5.4.11.
+// Section 12.2.6.4.11.
func inCaptionIM(p *parser) bool {
switch p.tok.Type {
case StartTagToken:
@@ -1355,7 +1502,7 @@ func inCaptionIM(p *parser) bool {
return inBodyIM(p)
}
-// Section 12.2.5.4.12.
+// Section 12.2.6.4.12.
func inColumnGroupIM(p *parser) bool {
switch p.tok.Type {
case TextToken:
@@ -1386,11 +1533,13 @@ func inColumnGroupIM(p *parser) bool {
p.oe.pop()
p.acknowledgeSelfClosingTag()
return true
+ case a.Template:
+ return inHeadIM(p)
}
case EndTagToken:
switch p.tok.DataAtom {
case a.Colgroup:
- if p.oe.top().DataAtom != a.Html {
+ if p.oe.top().DataAtom == a.Colgroup {
p.oe.pop()
p.im = inTableIM
}
@@ -1398,17 +1547,19 @@ func inColumnGroupIM(p *parser) bool {
case a.Col:
// Ignore the token.
return true
+ case a.Template:
+ return inHeadIM(p)
}
}
- if p.oe.top().DataAtom != a.Html {
- p.oe.pop()
- p.im = inTableIM
- return false
+ if p.oe.top().DataAtom != a.Colgroup {
+ return true
}
- return true
+ p.oe.pop()
+ p.im = inTableIM
+ return false
}
-// Section 12.2.5.4.13.
+// Section 12.2.6.4.13.
func inTableBodyIM(p *parser) bool {
switch p.tok.Type {
case StartTagToken:
@@ -1460,7 +1611,7 @@ func inTableBodyIM(p *parser) bool {
return inTableIM(p)
}
-// Section 12.2.5.4.14.
+// Section 12.2.6.4.14.
func inRowIM(p *parser) bool {
switch p.tok.Type {
case StartTagToken:
@@ -1511,7 +1662,7 @@ func inRowIM(p *parser) bool {
return inTableIM(p)
}
-// Section 12.2.5.4.15.
+// Section 12.2.6.4.15.
func inCellIM(p *parser) bool {
switch p.tok.Type {
case StartTagToken:
@@ -1560,7 +1711,7 @@ func inCellIM(p *parser) bool {
return inBodyIM(p)
}
-// Section 12.2.5.4.16.
+// Section 12.2.6.4.16.
func inSelectIM(p *parser) bool {
switch p.tok.Type {
case ErrorToken:
@@ -1597,7 +1748,7 @@ func inSelectIM(p *parser) bool {
p.tokenizer.NextIsNotRawText()
// Ignore the token.
return true
- case a.Script:
+ case a.Script, a.Template:
return inHeadIM(p)
}
case EndTagToken:
@@ -1618,6 +1769,8 @@ func inSelectIM(p *parser) bool {
if p.popUntil(selectScope, a.Select) {
p.resetInsertionMode()
}
+ case a.Template:
+ return inHeadIM(p)
}
case CommentToken:
p.addChild(&Node{
@@ -1632,7 +1785,7 @@ func inSelectIM(p *parser) bool {
return true
}
-// Section 12.2.5.4.17.
+// Section 12.2.6.4.17.
func inSelectInTableIM(p *parser) bool {
switch p.tok.Type {
case StartTagToken, EndTagToken:
@@ -1650,7 +1803,62 @@ func inSelectInTableIM(p *parser) bool {
return inSelectIM(p)
}
-// Section 12.2.5.4.18.
+// Section 12.2.6.4.18.
+func inTemplateIM(p *parser) bool {
+ switch p.tok.Type {
+ case TextToken, CommentToken, DoctypeToken:
+ return inBodyIM(p)
+ case StartTagToken:
+ switch p.tok.DataAtom {
+ case a.Base, a.Basefont, a.Bgsound, a.Link, a.Meta, a.Noframes, a.Script, a.Style, a.Template, a.Title:
+ return inHeadIM(p)
+ case a.Caption, a.Colgroup, a.Tbody, a.Tfoot, a.Thead:
+ p.templateStack.pop()
+ p.templateStack = append(p.templateStack, inTableIM)
+ p.im = inTableIM
+ return false
+ case a.Col:
+ p.templateStack.pop()
+ p.templateStack = append(p.templateStack, inColumnGroupIM)
+ p.im = inColumnGroupIM
+ return false
+ case a.Tr:
+ p.templateStack.pop()
+ p.templateStack = append(p.templateStack, inTableBodyIM)
+ p.im = inTableBodyIM
+ return false
+ case a.Td, a.Th:
+ p.templateStack.pop()
+ p.templateStack = append(p.templateStack, inRowIM)
+ p.im = inRowIM
+ return false
+ default:
+ p.templateStack.pop()
+ p.templateStack = append(p.templateStack, inBodyIM)
+ p.im = inBodyIM
+ return false
+ }
+ case EndTagToken:
+ switch p.tok.DataAtom {
+ case a.Template:
+ return inHeadIM(p)
+ default:
+ // Ignore the token.
+ return true
+ }
+ }
+ if !p.oe.contains(a.Template) {
+ // Ignore the token.
+ return true
+ }
+ p.popUntil(defaultScope, a.Template)
+ p.clearActiveFormattingElements()
+ p.templateStack.pop()
+ p.resetInsertionMode()
+ return false
+}
+
+// Section 12.2.6.4.19.
func afterBodyIM(p *parser) bool {
switch p.tok.Type {
case ErrorToken:
@@ -1688,7 +1896,7 @@ func afterBodyIM(p *parser) bool {
return false
}
-// Section 12.2.5.4.19.
+// Section 12.2.6.4.20.
func inFramesetIM(p *parser) bool {
switch p.tok.Type {
case CommentToken:
@@ -1720,6 +1928,11 @@ func inFramesetIM(p *parser) bool {
p.acknowledgeSelfClosingTag()
case a.Noframes:
return inHeadIM(p)
+ case a.Template:
+ // TODO: remove this divergence from the HTML5 spec.
+ //
+ // See https://bugs.chromium.org/p/chromium/issues/detail?id=829668
+ return inTemplateIM(p)
}
case EndTagToken:
switch p.tok.DataAtom {
@@ -1738,7 +1951,7 @@ func inFramesetIM(p *parser) bool {
return true
}
-// Section 12.2.5.4.20.
+// Section 12.2.6.4.21.
func afterFramesetIM(p *parser) bool {
switch p.tok.Type {
case CommentToken:
@@ -1777,7 +1990,7 @@ func afterFramesetIM(p *parser) bool {
return true
}
-// Section 12.2.5.4.21.
+// Section 12.2.6.4.22.
func afterAfterBodyIM(p *parser) bool {
switch p.tok.Type {
case ErrorToken:
@@ -1806,7 +2019,7 @@ func afterAfterBodyIM(p *parser) bool {
return false
}
-// Section 12.2.5.4.22.
+// Section 12.2.6.4.23.
func afterAfterFramesetIM(p *parser) bool {
switch p.tok.Type {
case CommentToken:
@@ -1844,7 +2057,7 @@ func afterAfterFramesetIM(p *parser) bool {
const whitespaceOrNUL = whitespace + "\x00"
-// Section 12.2.5.5.
+// Section 12.2.6.5
func parseForeignContent(p *parser) bool {
switch p.tok.Type {
case TextToken:
@@ -1924,7 +2137,7 @@ func parseForeignContent(p *parser) bool {
return true
}
-// Section 12.2.5.
+// Section 12.2.6.
func (p *parser) inForeignContent() bool {
if len(p.oe) == 0 {
return false
@@ -2064,6 +2277,9 @@ func ParseFragment(r io.Reader, context *Node) ([]*Node, error) {
}
p.doc.AppendChild(root)
p.oe = nodeStack{root}
+ if context != nil && context.DataAtom == a.Template {
+ p.templateStack = append(p.templateStack, inTemplateIM)
+ }
p.resetInsertionMode()
for n := context; n != nil; n = n.Parent {