chore: move Attribute to attr module

This is done separately so that the following commit has a cleaner diff.

3 files changed, 20 insertions, 17 deletions

diff --git a/src/attr.rs b/src/attr.rs
new file mode 100644
index 0000000..d0d506e
--- /dev/null
+++ b/src/attr.rs
@@ -0,0 +1,14 @@
+use std::ops::Range;
+
+/// A HTML attribute value (plus spans).
+#[derive(Debug, Eq, PartialEq)]
+pub struct Attribute<O> {
+    /// The value of the attribute.
+    pub value: String,
+
+    /// The source code span of the attribute name.
+    pub name_span: Range<O>,
+
+    /// The source code span of the attribute value.
+    pub value_span: Range<O>,
+}
diff --git a/src/emitter.rs b/src/emitter.rs
index fcfb251..d3258e2 100644
--- a/src/emitter.rs
+++ b/src/emitter.rs
@@ -179,7 +179,7 @@ pub trait Emitter<O> {
 pub struct DefaultEmitter<O = NoopOffset> {
     current_characters: String,
     current_token: Option<Token<O>>,
-    current_attribute: Option<(String, Attribute<O>)>,
+    current_attribute: Option<(String, crate::attr::Attribute<O>)>,
     seen_attributes: BTreeSet<String>,
     emitted_tokens: VecDeque<Token<O>>,
     attr_in_end_tag_span: Option<Range<O>>,
@@ -380,7 +380,7 @@ impl<O: Offset> Emitter<O> for DefaultEmitter<O> {
         self.flush_current_attribute();
         self.current_attribute = Some((
             String::new(),
-            Attribute {
+            crate::attr::Attribute {
                 name_span: offset..offset,
                 value: String::new(),
                 value_span: Range::default(),
@@ -461,7 +461,7 @@ pub struct StartTag<O> {
     ///
     /// Duplicate attributes are ignored after the first one as per WHATWG spec. Implement your own
     /// [`Emitter`] to tweak this behavior.
-    pub attributes: BTreeMap<String, Attribute<O>>,
+    pub attributes: BTreeMap<String, crate::attr::Attribute<O>>,
 
     /// The source code span of the tag.
     pub span: Range<O>,
@@ -475,19 +475,6 @@ impl<O: Offset> StartTag<O> {
     }
 }
 
-/// A HTML attribute value (plus spans).
-#[derive(Debug, Eq, PartialEq)]
-pub struct Attribute<O> {
-    /// The value of the attribute.
-    pub value: String,
-
-    /// The source code span of the attribute name.
-    pub name_span: Range<O>,
-
-    /// The source code span of the attribute value.
-    pub value_span: Range<O>,
-}
-
 /// A HTML end/close tag, such as `</p>` or `</a>`.
 #[derive(Debug, Eq, PartialEq)]
 pub struct EndTag<O> {
diff --git a/src/lib.rs b/src/lib.rs
index 1105141..4f2cf9c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -3,6 +3,7 @@
 #![forbid(unsafe_code)]
 #![doc = include_str!("../README.md")]
 
+mod attr;
 mod emitter;
 mod entities;
 mod error;
@@ -15,6 +16,7 @@ mod utils;
 #[cfg(feature = "integration-tests")]
 pub use utils::State as InternalState;
 
-pub use emitter::{Attribute, Comment, DefaultEmitter, Doctype, Emitter, EndTag, StartTag, Token};
+pub use attr::Attribute;
+pub use emitter::{Comment, DefaultEmitter, Doctype, Emitter, EndTag, StartTag, Token};
 pub use error::Error;
 pub use tokenizer::{State, Tokenizer};