delete tree_builder, driver and serialize

1 files changed, 0 insertions, 335 deletions

diff --git a/examples/arena.rs b/examples/arena.rs
deleted file mode 100644
index 1b59ae1..0000000
--- a/examples/arena.rs
+++ /dev/null
@@ -1,335 +0,0 @@
-// Copyright 2014-2017 The html5ever Project Developers. See the
-// COPYRIGHT file at the top-level directory of this distribution.
-//
-// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
-// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
-// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
-// option. This file may not be copied, modified, or distributed
-// except according to those terms.
-
-extern crate html5ever;
-extern crate typed_arena;
-
-use html5ever::interface::tree_builder::{ElementFlags, NodeOrText, QuirksMode, TreeSink};
-use html5ever::tendril::{StrTendril, TendrilSink};
-use html5ever::{parse_document, Attribute, ExpandedName, QualName};
-use std::borrow::Cow;
-use std::cell::{Cell, RefCell};
-use std::collections::HashSet;
-use std::io::{self, Read};
-use std::ptr;
-
-fn main() {
-    let mut bytes = Vec::new();
-    io::stdin().read_to_end(&mut bytes).unwrap();
-    let arena = typed_arena::Arena::new();
-    html5ever_parse_slice_into_arena(&bytes, &arena);
-}
-
-fn html5ever_parse_slice_into_arena<'a>(bytes: &[u8], arena: Arena<'a>) -> Ref<'a> {
-    let sink = Sink {
-        arena: arena,
-        document: arena.alloc(Node::new(NodeData::Document)),
-        quirks_mode: QuirksMode::NoQuirks,
-    };
-    parse_document(sink, Default::default())
-        .from_utf8()
-        .one(bytes)
-}
-
-type Arena<'arena> = &'arena typed_arena::Arena<Node<'arena>>;
-
-type Ref<'arena> = &'arena Node<'arena>;
-
-type Link<'arena> = Cell<Option<Ref<'arena>>>;
-
-struct Sink<'arena> {
-    arena: Arena<'arena>,
-    document: Ref<'arena>,
-    quirks_mode: QuirksMode,
-}
-
-pub struct Node<'arena> {
-    parent: Link<'arena>,
-    next_sibling: Link<'arena>,
-    previous_sibling: Link<'arena>,
-    first_child: Link<'arena>,
-    last_child: Link<'arena>,
-    data: NodeData<'arena>,
-}
-
-pub enum NodeData<'arena> {
-    Document,
-    Doctype {
-        name: StrTendril,
-        public_id: StrTendril,
-        system_id: StrTendril,
-    },
-    Text {
-        contents: RefCell<StrTendril>,
-    },
-    Comment {
-        contents: StrTendril,
-    },
-    Element {
-        name: QualName,
-        attrs: RefCell<Vec<Attribute>>,
-        template_contents: Option<Ref<'arena>>,
-        mathml_annotation_xml_integration_point: bool,
-    },
-    ProcessingInstruction {
-        target: StrTendril,
-        contents: StrTendril,
-    },
-}
-
-impl<'arena> Node<'arena> {
-    fn new(data: NodeData<'arena>) -> Self {
-        Node {
-            parent: Cell::new(None),
-            previous_sibling: Cell::new(None),
-            next_sibling: Cell::new(None),
-            first_child: Cell::new(None),
-            last_child: Cell::new(None),
-            data: data,
-        }
-    }
-
-    fn detach(&self) {
-        let parent = self.parent.take();
-        let previous_sibling = self.previous_sibling.take();
-        let next_sibling = self.next_sibling.take();
-
-        if let Some(next_sibling) = next_sibling {
-            next_sibling.previous_sibling.set(previous_sibling);
-        } else if let Some(parent) = parent {
-            parent.last_child.set(previous_sibling);
-        }
-
-        if let Some(previous_sibling) = previous_sibling {
-            previous_sibling.next_sibling.set(next_sibling);
-        } else if let Some(parent) = parent {
-            parent.first_child.set(next_sibling);
-        }
-    }
-
-    fn append(&'arena self, new_child: &'arena Self) {
-        new_child.detach();
-        new_child.parent.set(Some(self));
-        if let Some(last_child) = self.last_child.take() {
-            new_child.previous_sibling.set(Some(last_child));
-            debug_assert!(last_child.next_sibling.get().is_none());
-            last_child.next_sibling.set(Some(new_child));
-        } else {
-            debug_assert!(self.first_child.get().is_none());
-            self.first_child.set(Some(new_child));
-        }
-        self.last_child.set(Some(new_child));
-    }
-
-    fn insert_before(&'arena self, new_sibling: &'arena Self) {
-        new_sibling.detach();
-        new_sibling.parent.set(self.parent.get());
-        new_sibling.next_sibling.set(Some(self));
-        if let Some(previous_sibling) = self.previous_sibling.take() {
-            new_sibling.previous_sibling.set(Some(previous_sibling));
-            debug_assert!(ptr::eq::<Node>(
-                previous_sibling.next_sibling.get().unwrap(),
-                self
-            ));
-            previous_sibling.next_sibling.set(Some(new_sibling));
-        } else if let Some(parent) = self.parent.get() {
-            debug_assert!(ptr::eq::<Node>(parent.first_child.get().unwrap(), self));
-            parent.first_child.set(Some(new_sibling));
-        }
-        self.previous_sibling.set(Some(new_sibling));
-    }
-}
-
-impl<'arena> Sink<'arena> {
-    fn new_node(&self, data: NodeData<'arena>) -> Ref<'arena> {
-        self.arena.alloc(Node::new(data))
-    }
-
-    fn append_common<P, A>(&self, child: NodeOrText<Ref<'arena>>, previous: P, append: A)
-    where
-        P: FnOnce() -> Option<Ref<'arena>>,
-        A: FnOnce(Ref<'arena>),
-    {
-        let new_node = match child {
-            NodeOrText::AppendText(text) => {
-                // Append to an existing Text node if we have one.
-                if let Some(&Node {
-                    data: NodeData::Text { ref contents },
-                    ..
-                }) = previous()
-                {
-                    contents.borrow_mut().push_tendril(&text);
-                    return;
-                }
-                self.new_node(NodeData::Text {
-                    contents: RefCell::new(text),
-                })
-            },
-            NodeOrText::AppendNode(node) => node,
-        };
-
-        append(new_node)
-    }
-}
-
-impl<'arena> TreeSink for Sink<'arena> {
-    type Handle = Ref<'arena>;
-    type Output = Ref<'arena>;
-
-    fn finish(self) -> Ref<'arena> {
-        self.document
-    }
-
-    fn parse_error(&mut self, _: Cow<'static, str>) {}
-
-    fn get_document(&mut self) -> Ref<'arena> {
-        self.document
-    }
-
-    fn set_quirks_mode(&mut self, mode: QuirksMode) {
-        self.quirks_mode = mode;
-    }
-
-    fn same_node(&self, x: &Ref<'arena>, y: &Ref<'arena>) -> bool {
-        ptr::eq::<Node>(*x, *y)
-    }
-
-    fn elem_name<'a>(&self, target: &'a Ref<'arena>) -> ExpandedName<'a> {
-        match target.data {
-            NodeData::Element { ref name, .. } => name.expanded(),
-            _ => panic!("not an element!"),
-        }
-    }
-
-    fn get_template_contents(&mut self, target: &Ref<'arena>) -> Ref<'arena> {
-        if let NodeData::Element {
-            template_contents: Some(ref contents),
-            ..
-        } = target.data
-        {
-            contents
-        } else {
-            panic!("not a template element!")
-        }
-    }
-
-    fn is_mathml_annotation_xml_integration_point(&self, target: &Ref<'arena>) -> bool {
-        if let NodeData::Element {
-            mathml_annotation_xml_integration_point,
-            ..
-        } = target.data
-        {
-            mathml_annotation_xml_integration_point
-        } else {
-            panic!("not an element!")
-        }
-    }
-
-    fn create_element(
-        &mut self,
-        name: QualName,
-        attrs: Vec<Attribute>,
-        flags: ElementFlags,
-    ) -> Ref<'arena> {
-        self.new_node(NodeData::Element {
-            name,
-            attrs: RefCell::new(attrs),
-            template_contents: if flags.template {
-                Some(self.new_node(NodeData::Document))
-            } else {
-                None
-            },
-            mathml_annotation_xml_integration_point: flags.mathml_annotation_xml_integration_point,
-        })
-    }
-
-    fn create_comment(&mut self, text: StrTendril) -> Ref<'arena> {
-        self.new_node(NodeData::Comment { contents: text })
-    }
-
-    fn create_pi(&mut self, target: StrTendril, data: StrTendril) -> Ref<'arena> {
-        self.new_node(NodeData::ProcessingInstruction {
-            target: target,
-            contents: data,
-        })
-    }
-
-    fn append(&mut self, parent: &Ref<'arena>, child: NodeOrText<Ref<'arena>>) {
-        self.append_common(
-            child,
-            || parent.last_child.get(),
-            |new_node| parent.append(new_node),
-        )
-    }
-
-    fn append_before_sibling(&mut self, sibling: &Ref<'arena>, child: NodeOrText<Ref<'arena>>) {
-        self.append_common(
-            child,
-            || sibling.previous_sibling.get(),
-            |new_node| sibling.insert_before(new_node),
-        )
-    }
-
-    fn append_based_on_parent_node(
-        &mut self,
-        element: &Ref<'arena>,
-        prev_element: &Ref<'arena>,
-        child: NodeOrText<Ref<'arena>>,
-    ) {
-        if element.parent.get().is_some() {
-            self.append_before_sibling(element, child)
-        } else {
-            self.append(prev_element, child)
-        }
-    }
-
-    fn append_doctype_to_document(
-        &mut self,
-        name: StrTendril,
-        public_id: StrTendril,
-        system_id: StrTendril,
-    ) {
-        self.document.append(self.new_node(NodeData::Doctype {
-            name,
-            public_id,
-            system_id,
-        }))
-    }
-
-    fn add_attrs_if_missing(&mut self, target: &Ref<'arena>, attrs: Vec<Attribute>) {
-        let mut existing = if let NodeData::Element { ref attrs, .. } = target.data {
-            attrs.borrow_mut()
-        } else {
-            panic!("not an element")
-        };
-
-        let existing_names = existing
-            .iter()
-            .map(|e| e.name.clone())
-            .collect::<HashSet<_>>();
-        existing.extend(
-            attrs
-                .into_iter()
-                .filter(|attr| !existing_names.contains(&attr.name)),
-        );
-    }
-
-    fn remove_from_parent(&mut self, target: &Ref<'arena>) {
-        target.detach()
-    }
-
-    fn reparent_children(&mut self, node: &Ref<'arena>, new_parent: &Ref<'arena>) {
-        let mut next_child = node.first_child.get();
-        while let Some(child) = next_child {
-            debug_assert!(ptr::eq::<Node>(child.parent.get().unwrap(), *node));
-            next_child = child.next_sibling.get();
-            new_parent.append(child)
-        }
-    }
-}