Commit 66113ac8 authored by Nigel Tao's avatar Nigel Tao

html: update comments to match latest spec.

R=dsymonds
CC=golang-dev
https://golang.org/cl/5482054
parent b9064fb1
......@@ -4,7 +4,7 @@
package html
// Section 11.2.3.2 of the HTML5 specification says "The following elements
// Section 12.2.3.2 of the HTML5 specification says "The following elements
// have varying levels of special parsing rules".
// http://www.whatwg.org/specs/web-apps/current-work/multipage/parsing.html#the-stack-of-open-elements
var isSpecialElement = map[string]bool{
......
......@@ -17,7 +17,7 @@ const (
scopeMarkerNode
)
// Section 11.2.3.3 says "scope markers are inserted when entering applet
// Section 12.2.3.3 says "scope markers are inserted when entering applet
// elements, buttons, object elements, marquees, table cells, and table
// captions, and are used to prevent formatting from 'leaking'".
var scopeMarker = Node{Type: scopeMarkerNode}
......
......@@ -22,12 +22,12 @@ type parser struct {
hasSelfClosingToken bool
// doc is the document root element.
doc *Node
// The stack of open elements (section 11.2.3.2) and active formatting
// elements (section 11.2.3.3).
// The stack of open elements (section 12.2.3.2) and active formatting
// elements (section 12.2.3.3).
oe, afe nodeStack
// Element pointers (section 11.2.3.4).
// Element pointers (section 12.2.3.4).
head, form *Node
// Other parsing state flags (section 11.2.3.5).
// Other parsing state flags (section 12.2.3.5).
scripting, framesetOK bool
// im is the current insertion mode.
im insertionMode
......@@ -35,12 +35,12 @@ type parser struct {
// or inTableText insertion mode.
originalIM insertionMode
// fosterParenting is whether new elements should be inserted according to
// the foster parenting rules (section 11.2.5.3).
// the foster parenting rules (section 12.2.5.3).
fosterParenting bool
// quirks is whether the parser is operating in "quirks mode."
quirks bool
// context is the context element when parsing an HTML fragment
// (section 11.4).
// (section 12.4).
context *Node
}
......@@ -51,7 +51,7 @@ func (p *parser) top() *Node {
return p.doc
}
// stopTags for use in popUntil. These come from section 11.2.3.2.
// stopTags for use in popUntil. These come from section 12.2.3.2.
var (
defaultScopeStopTags = []string{"applet", "caption", "html", "table", "td", "th", "marquee", "object"}
listItemScopeStopTags = []string{"applet", "caption", "html", "table", "td", "th", "marquee", "object", "ol", "ul"}
......@@ -130,7 +130,7 @@ func (p *parser) addChild(n *Node) {
}
// fosterParent adds a child node according to the foster parenting rules.
// Section 11.2.5.3, "foster parenting".
// Section 12.2.5.3, "foster parenting".
func (p *parser) fosterParent(n *Node) {
p.fosterParenting = false
var table, parent *Node
......@@ -199,14 +199,14 @@ func (p *parser) addElement(tag string, attr []Attribute) {
})
}
// Section 11.2.3.3.
// Section 12.2.3.3.
func (p *parser) addFormattingElement(tag string, attr []Attribute) {
p.addElement(tag, attr)
p.afe = append(p.afe, p.top())
// TODO.
}
// Section 11.2.3.3.
// Section 12.2.3.3.
func (p *parser) clearActiveFormattingElements() {
for {
n := p.afe.pop()
......@@ -216,7 +216,7 @@ func (p *parser) clearActiveFormattingElements() {
}
}
// Section 11.2.3.3.
// Section 12.2.3.3.
func (p *parser) reconstructActiveFormattingElements() {
n := p.afe.top()
if n == nil {
......@@ -266,12 +266,12 @@ func (p *parser) read() error {
return nil
}
// Section 11.2.4.
// Section 12.2.4.
func (p *parser) acknowledgeSelfClosingTag() {
p.hasSelfClosingToken = false
}
// An insertion mode (section 11.2.3.1) is the state transition function from
// An insertion mode (section 12.2.3.1) 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.
......@@ -279,7 +279,7 @@ type insertionMode func(*parser) bool
// setOriginalIM sets the insertion mode to return to after completing a text or
// inTableText insertion mode.
// Section 11.2.3.1, "using the rules for".
// Section 12.2.3.1, "using the rules for".
func (p *parser) setOriginalIM() {
if p.originalIM != nil {
panic("html: bad parser state: originalIM was set twice")
......@@ -287,7 +287,7 @@ func (p *parser) setOriginalIM() {
p.originalIM = p.im
}
// Section 11.2.3.1, "reset the insertion mode".
// Section 12.2.3.1, "reset the insertion mode".
func (p *parser) resetInsertionMode() {
for i := len(p.oe) - 1; i >= 0; i-- {
n := p.oe[i]
......@@ -331,7 +331,7 @@ func (p *parser) resetInsertionMode() {
const whitespace = " \t\r\n\f"
// Section 11.2.5.4.1.
// Section 12.2.5.4.1.
func initialIM(p *parser) bool {
switch p.tok.Type {
case TextToken:
......@@ -358,7 +358,7 @@ func initialIM(p *parser) bool {
return false
}
// Section 11.2.5.4.2.
// Section 12.2.5.4.2.
func beforeHTMLIM(p *parser) bool {
switch p.tok.Type {
case TextToken:
......@@ -394,7 +394,7 @@ func beforeHTMLIM(p *parser) bool {
return false
}
// Section 11.2.5.4.3.
// Section 12.2.5.4.3.
func beforeHeadIM(p *parser) bool {
var (
add bool
......@@ -443,7 +443,7 @@ func beforeHeadIM(p *parser) bool {
return !implied
}
// Section 11.2.5.4.4.
// Section 12.2.5.4.4.
func inHeadIM(p *parser) bool {
var (
pop bool
......@@ -510,7 +510,7 @@ func inHeadIM(p *parser) bool {
return true
}
// Section 11.2.5.4.6.
// Section 12.2.5.4.6.
func afterHeadIM(p *parser) bool {
var (
add bool
......@@ -598,7 +598,7 @@ func copyAttributes(dst *Node, src Token) {
}
}
// Section 11.2.5.4.7.
// Section 12.2.5.4.7.
func inBodyIM(p *parser) bool {
switch p.tok.Type {
case TextToken:
......@@ -989,7 +989,7 @@ func (p *parser) inBodyEndTagOther(tag string) {
}
}
// Section 11.2.5.4.8.
// Section 12.2.5.4.8.
func textIM(p *parser) bool {
switch p.tok.Type {
case ErrorToken:
......@@ -1005,7 +1005,7 @@ func textIM(p *parser) bool {
return p.tok.Type == EndTagToken
}
// Section 11.2.5.4.9.
// Section 12.2.5.4.9.
func inTableIM(p *parser) bool {
switch p.tok.Type {
case ErrorToken:
......@@ -1094,7 +1094,7 @@ func (p *parser) clearStackToContext(stopTags []string) {
}
}
// Section 11.2.5.4.11.
// Section 12.2.5.4.11.
func inCaptionIM(p *parser) bool {
switch p.tok.Type {
case StartTagToken:
......@@ -1134,7 +1134,7 @@ func inCaptionIM(p *parser) bool {
return inBodyIM(p)
}
// Section 11.2.5.4.12.
// Section 12.2.5.4.12.
func inColumnGroupIM(p *parser) bool {
switch p.tok.Type {
case CommentToken:
......@@ -1176,7 +1176,7 @@ func inColumnGroupIM(p *parser) bool {
return false
}
// Section 11.2.5.4.13.
// Section 12.2.5.4.13.
func inTableBodyIM(p *parser) bool {
var (
add bool
......@@ -1232,7 +1232,7 @@ func inTableBodyIM(p *parser) bool {
return inTableIM(p)
}
// Section 11.2.5.4.14.
// Section 12.2.5.4.14.
func inRowIM(p *parser) bool {
switch p.tok.Type {
case ErrorToken:
......@@ -1291,7 +1291,7 @@ func inRowIM(p *parser) bool {
return inTableIM(p)
}
// Section 11.2.5.4.15.
// Section 12.2.5.4.15.
func inCellIM(p *parser) bool {
var (
closeTheCellAndReprocess bool
......@@ -1336,7 +1336,7 @@ func inCellIM(p *parser) bool {
return inBodyIM(p)
}
// Section 11.2.5.4.16.
// Section 12.2.5.4.16.
func inSelectIM(p *parser) bool {
endSelect := false
switch p.tok.Type {
......@@ -1413,7 +1413,7 @@ func inSelectIM(p *parser) bool {
return true
}
// Section 11.2.5.4.18.
// Section 12.2.5.4.18.
func afterBodyIM(p *parser) bool {
switch p.tok.Type {
case ErrorToken:
......@@ -1443,7 +1443,7 @@ func afterBodyIM(p *parser) bool {
return false
}
// Section 11.2.5.4.19.
// Section 12.2.5.4.19.
func inFramesetIM(p *parser) bool {
switch p.tok.Type {
case CommentToken:
......@@ -1493,7 +1493,7 @@ func inFramesetIM(p *parser) bool {
return true
}
// Section 11.2.5.4.20.
// Section 12.2.5.4.20.
func afterFramesetIM(p *parser) bool {
switch p.tok.Type {
case CommentToken:
......@@ -1532,7 +1532,7 @@ func afterFramesetIM(p *parser) bool {
return true
}
// Section 11.2.5.4.21.
// Section 12.2.5.4.21.
func afterAfterBodyIM(p *parser) bool {
switch p.tok.Type {
case ErrorToken:
......@@ -1555,7 +1555,7 @@ func afterAfterBodyIM(p *parser) bool {
return false
}
// Section 11.2.5.4.22.
// Section 12.2.5.4.22.
func afterAfterFramesetIM(p *parser) bool {
switch p.tok.Type {
case CommentToken:
......@@ -1576,8 +1576,6 @@ func afterAfterFramesetIM(p *parser) bool {
return true
}
// TODO: fix up the other IM's section numbers to match the latest spec.
// Section 12.2.5.5.
func inForeignContentIM(p *parser) bool {
switch p.tok.Type {
......
......@@ -247,7 +247,7 @@ func writeQuoted(w writer, s string) error {
return nil
}
// Section 13.1.2, "Elements", gives this list of void elements. Void elements
// Section 12.1.2, "Elements", gives this list of void elements. Void elements
// are those that can't have any contents.
var voidElements = map[string]bool{
"area": true,
......
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