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html: parse "<h1>foo<h2>bar".

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R=gri
CC=golang-dev
https://golang.org/cl/3571043
This commit is contained in:
Nigel Tao 2010-12-15 11:39:56 +11:00
parent 8132bb1c74
commit fec6ab9726
3 changed files with 20 additions and 6 deletions
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7
src/pkg/html/parse.go
View File

@ -371,6 +371,13 @@ func inBodyIM(p *parser) (insertionMode, bool) {
} else {
p.addElement(p.tok.Data, p.tok.Attr)
}
case "h1", "h2", "h3", "h4", "h5", "h6":
// TODO: auto-insert </p> if necessary.
switch n := p.top(); n.Data {
case "h1", "h2", "h3", "h4", "h5", "h6":
p.pop()
}
p.addElement(p.tok.Data, p.tok.Attr)
case "b", "big", "code", "em", "font", "i", "s", "small", "strike", "strong", "tt", "u":
p.reconstructActiveFormattingElements()
p.addFormattingElement(p.tok.Data, p.tok.Attr)

14
src/pkg/html/parse_test.go
View File

@ -11,6 +11,7 @@ import (
"io"
"io/ioutil"
"os"
"strings"
"testing"
)
@ -124,9 +125,14 @@ func TestParser(t *testing.T) {
rc := make(chan io.Reader)
go readDat(filename, rc)
// TODO(nigeltao): Process all test cases, not just a subset.
for i := 0; i < 21; i++ {
for i := 0; i < 22; i++ {
// Parse the #data section.
doc, err := Parse(<-rc)
b, err := ioutil.ReadAll(<-rc)
if err != nil {
t.Fatal(err)
}
text := string(b)
doc, err := Parse(strings.NewReader(text))
if err != nil {
t.Fatal(err)
}
@ -139,13 +145,13 @@ func TestParser(t *testing.T) {
t.Fatal(err)
}
// Compare the parsed tree to the #document section.
b, err := ioutil.ReadAll(<-rc)
b, err = ioutil.ReadAll(<-rc)
if err != nil {
t.Fatal(err)
}
expected := string(b)
if actual != expected {
t.Errorf("%s test #%d, actual vs expected:\n----\n%s----\n%s----", filename, i, actual, expected)
t.Errorf("%s test #%d %q, actual vs expected:\n----\n%s----\n%s----", filename, i, text, actual, expected)
}
}
}

5
src/pkg/html/token.go
View File

@ -277,7 +277,7 @@ func (z *Tokenizer) trim(i int) int {
return k
}
// lower finds the largest alphabetic [a-zA-Z]* word at the start of z.buf[i:]
// lower finds the largest alphabetic [0-9A-Za-z]* word at the start of z.buf[i:]
// and returns that word lower-cased, as well as the trimmed cursor location
// after that word.
func (z *Tokenizer) lower(i int) ([]byte, int) {
@ -285,8 +285,9 @@ func (z *Tokenizer) lower(i int) ([]byte, int) {
loop:
for ; i < z.p1; i++ {
c := z.buf[i]
// TODO(nigeltao): Check what '0' <= c && c <= '9' should do.
switch {
case '0' <= c && c <= '9':
// No-op.
case 'A' <= c && c <= 'Z':
z.buf[i] = c + 'a' - 'A'
case 'a' <= c && c <= 'z':