View Source Html5ever (html5ever v0.14.3)
This is an HTML parser written in Rust.
The project provides a NIF - Native Implemented Function. It works on top of a parser of the same name from the Servo project.
By default this lib will try to use a precompiled NIF from the GitHub releases page. This way you don't need to have the Rust toolchain installed. In case no precompiled file is found and the Mix env is production then an error is raised.
You can force the compilation to occur by setting the
value of the HTML5EVER_BUILD environment variable to
"true" or "1". Alternatively you can also set the application
env :build_from_source to true in order to force the build:
config :html5ever, Html5ever, build_from_source: trueThis project is possible thanks to Rustler.
Link to this section Summary
Functions
Parses an HTML document from a string and returns a map.
Parses an HTML document from a string.
Link to this section Functions
Parses an HTML document from a string and returns a map.
The map contains the document structure.
example
Example
iex> Html5ever.flat_parse("<!doctype html><html><body><h1>Hello world</h1></body></html>")
{:ok,
%{
nodes: %{
0 => %{id: 0, parent: nil, type: :document},
1 => %{id: 1, parent: 0, type: :doctype},
2 => %{
attrs: [],
children: [3, 4],
id: 2,
name: "html",
parent: 0,
type: :element
},
3 => %{
attrs: [],
children: [],
id: 3,
name: "head",
parent: 2,
type: :element
},
4 => %{
attrs: [],
children: [5],
id: 4,
name: "body",
parent: 2,
type: :element
},
5 => %{
attrs: [],
children: [6],
id: 5,
name: "h1",
parent: 4,
type: :element
},
6 => %{contents: "Hello world", id: 6, parent: 5, type: :text}
},
root: 0
}}Parses an HTML document from a string.
This returns a list of tuples representing the HTML tree.
example
Example
iex> Html5ever.parse("<!doctype html><html><body><h1>Hello world</h1></body></html>")
{:ok,
[
{:doctype, "html", "", ""},
{"html", [], [{"head", [], []}, {"body", [], [{"h1", [], ["Hello world"]}]}]}
]}