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Bumps [github.com/tdewolff/minify/v2](https://github.com/tdewolff/minify) from 2.21.1 to 2.21.2. - [Release notes](https://github.com/tdewolff/minify/releases) - [Commits](https://github.com/tdewolff/minify/compare/v2.21.1...v2.21.2) --- updated-dependencies: - dependency-name: github.com/tdewolff/minify/v2 dependency-type: direct:production update-type: version-update:semver-patch ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> |
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hash.go | ||
lex.go | ||
README.md | ||
util.go |
HTML
This package is an HTML5 lexer written in Go. It follows the specification at The HTML syntax. The lexer takes an io.Reader and converts it into tokens until the EOF.
Installation
Run the following command
go get -u github.com/tdewolff/parse/v2/html
or add the following import and run project with go get
import "github.com/tdewolff/parse/v2/html"
Lexer
Usage
The following initializes a new Lexer with io.Reader r
:
l := html.NewLexer(parse.NewInput(r))
To tokenize until EOF an error, use:
for {
tt, data := l.Next()
switch tt {
case html.ErrorToken:
// error or EOF set in l.Err()
return
case html.StartTagToken:
// ...
for {
ttAttr, dataAttr := l.Next()
if ttAttr != html.AttributeToken {
break
}
// ...
}
// ...
}
}
All tokens:
ErrorToken TokenType = iota // extra token when errors occur
CommentToken
DoctypeToken
StartTagToken
StartTagCloseToken
StartTagVoidToken
EndTagToken
AttributeToken
TextToken
Examples
package main
import (
"os"
"github.com/tdewolff/parse/v2/html"
)
// Tokenize HTML from stdin.
func main() {
l := html.NewLexer(parse.NewInput(os.Stdin))
for {
tt, data := l.Next()
switch tt {
case html.ErrorToken:
if l.Err() != io.EOF {
fmt.Println("Error on line", l.Line(), ":", l.Err())
}
return
case html.StartTagToken:
fmt.Println("Tag", string(data))
for {
ttAttr, dataAttr := l.Next()
if ttAttr != html.AttributeToken {
break
}
key := dataAttr
val := l.AttrVal()
fmt.Println("Attribute", string(key), "=", string(val))
}
// ...
}
}
}
License
Released under the MIT license.