Merge pull request #11 from James-LG/james/clone

feat: Add clone to HtmlDocument and Xpath

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "skyscraper"
-version = "0.3.1"
+version = "0.4.0"
 authors = ["James La Novara-Gsell <[email protected]>"]
 edition = "2018"
 description = "XPath for HTML web scraping"

src/html/mod.rs

@@ -27,7 +27,7 @@ pub use crate::html::parse::parse;
 type TagAttributes = HashMap<String, String>;
 
 /// An HTML tag and its attributes.
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 pub struct HtmlTag {
     /// Name of the tag.
     pub name: String,
@@ -111,6 +111,7 @@ impl HtmlTag {
 }
 
 /// An HTML node can be either a tag or raw text.
+#[derive(Clone)]
 pub enum HtmlNode {
     /// An HTML tag.
     Tag(HtmlTag),
@@ -199,6 +200,7 @@ impl HtmlNode {
 /// HTML document tree represented by an indextree arena and a root node.
 ///
 /// Documents must have a single root node to be valid.
+#[derive(Clone)]
 pub struct HtmlDocument {
     arena: Arena<HtmlNode>,
     /// The root node of the document.

src/xpath/mod.rs

@@ -48,14 +48,14 @@ pub use crate::xpath::parse::parse;
 ///       ^^^^^^^^^^^^^ ^^^^^^^^^^^
 ///       Predicate 1   Predicate 2
 /// ```
-#[derive(Debug, PartialEq, Default)]
+#[derive(Debug, PartialEq, Default, Clone)]
 pub struct XpathQuery {
     /// The list of conditions.
     pub predicates: Vec<XpathPredicate>,
 }
 
 /// A single condition for an XPath search.
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 pub enum XpathPredicate {
     /// Asserts that an attribute has a value greater than the given `value`.
     /// 
@@ -161,7 +161,7 @@ impl Default for XpathAxes {
 }
 
 /// A type of node to search for.
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Clone)]
 pub enum XpathSearchNodeType {
     /// Search for a tag with the given name.
     Element(String),
@@ -182,7 +182,7 @@ impl Default for XpathSearchNodeType {
 /// ^-------------------^----
 /// Search Item 1       Search item 2
 /// ```
-#[derive(Debug, PartialEq, Default)]
+#[derive(Debug, PartialEq, Default, Clone)]
 pub struct XpathSearchItem {
     /// The axis to search on.
     pub axis: XpathAxes,
@@ -218,6 +218,7 @@ pub struct XpathSearchItem {
 /// # Ok(())
 /// # }
 /// ```
+#[derive(Clone)]
 pub struct Xpath {
     items: Vec<XpathSearchItem>,
 }