introduce Error enum

1 files changed, 12 insertions, 27 deletions

diff --git a/src/tokenizer/char_ref/mod.rs b/src/tokenizer/char_ref/mod.rs
index 9c01bdf..4f94c88 100644
--- a/src/tokenizer/char_ref/mod.rs
+++ b/src/tokenizer/char_ref/mod.rs
@@ -8,10 +8,10 @@
 // except according to those terms.
 
 use super::{TokenSink, Tokenizer};
+use crate::error::{CharRefError, Error};
 use crate::util::buffer_queue::BufferQueue;
 use crate::util::str::is_ascii_alnum;
 
-use std::borrow::Cow::Borrowed;
 use std::char::from_u32;
 
 use self::State::*;
@@ -227,9 +227,7 @@ impl CharRefTokenizer {
     ) -> Status {
         match unwrap_or_return!(tokenizer.peek(input), Stuck) {
             ';' => tokenizer.discard_char(input),
-            _ => tokenizer.emit_error(Borrowed(
-                "Semicolon missing after numeric character reference",
-            )),
+            _ => tokenizer.emit_error(Error::CharRef(CharRefError::MissingSemicolon)),
         };
         self.finish_numeric(tokenizer)
     }
@@ -246,7 +244,7 @@ impl CharRefTokenizer {
         }
 
         input.push_front(unconsume);
-        tokenizer.emit_error(Borrowed("Numeric character reference without digits"));
+        tokenizer.emit_error(Error::CharRef(CharRefError::NumericCharRefWithoutDigits));
         self.finish_none()
     }
 
@@ -272,13 +270,9 @@ impl CharRefTokenizer {
         };
 
         if error {
-            let msg = format_if!(
-                tokenizer.opts.exact_errors,
-                "Invalid numeric character reference",
-                "Invalid numeric character reference value 0x{:06X}",
-                self.num
-            );
-            tokenizer.emit_error(msg);
+            tokenizer.emit_error(Error::CharRef(CharRefError::NumericCharRefInvalid(
+                self.num,
+            )));
         }
 
         self.finish_one(c)
@@ -311,13 +305,7 @@ impl CharRefTokenizer {
 
     #[cfg(feature = "named-entities")]
     fn emit_name_error<Sink: TokenSink>(&mut self, tokenizer: &mut Tokenizer<Sink>) {
-        let msg = format_if!(
-            tokenizer.opts.exact_errors,
-            "Invalid character reference",
-            "Invalid character reference &{}",
-            self.name_buf()
-        );
-        tokenizer.emit_error(msg);
+        tokenizer.emit_error(Error::CharRef(CharRefError::InvalidNamedCharRef));
     }
 
     fn unconsume_name(&mut self, input: &mut BufferQueue) {
@@ -384,16 +372,13 @@ impl CharRefTokenizer {
                 let unconsume_all = match (self.addnl_allowed, last_matched, next_after) {
                     (_, ';', _) => false,
                     (Some(_), _, Some('=')) => {
-                        tokenizer.emit_error(Borrowed(
-                            "Equals sign after character reference in attribute",
-                        ));
+                        tokenizer
+                            .emit_error(Error::CharRef(CharRefError::EqualsSignAfterCharRefInAttr));
                         true
                     }
                     (Some(_), _, Some(c)) if is_ascii_alnum(c) => true,
                     _ => {
-                        tokenizer.emit_error(Borrowed(
-                            "Character reference does not end with semicolon",
-                        ));
+                        tokenizer.emit_error(Error::CharRef(CharRefError::MissingSemicolon));
                         false
                     }
                 };
@@ -444,7 +429,7 @@ impl CharRefTokenizer {
                 Numeric(_) if !self.seen_digit => drop(self.unconsume_numeric(tokenizer, input)),
 
                 Numeric(_) | NumericSemicolon => {
-                    tokenizer.emit_error(Borrowed("EOF in numeric character reference"));
+                    tokenizer.emit_error(Error::CharRef(CharRefError::EofInNumericCharRef));
                     self.finish_numeric(tokenizer);
                 }
 
@@ -458,7 +443,7 @@ impl CharRefTokenizer {
 
                 Octothorpe => {
                     input.push_front(String::from("#"));
-                    tokenizer.emit_error(Borrowed("EOF after '#' in character reference"));
+                    tokenizer.emit_error(Error::CharRef(CharRefError::EofAfterNumberSign));
                     self.finish_none();
                 }
             }