From 19a51d5f71914055e6abe597497fee9742fdb3b5 Mon Sep 17 00:00:00 2001
From: annieversary <annie@versary.town>
Date: Wed, 6 Jul 2022 15:05:57 +0100
Subject: [PATCH] implement literal values

---
 src/class.rs |  2 ++
 src/lib.rs   | 12 ++++++++++++
 src/parse.rs | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 67 insertions(+)

diff --git a/src/class.rs b/src/class.rs
index f492932..1dfa52d 100644
--- a/src/class.rs
+++ b/src/class.rs
@@ -44,6 +44,8 @@ impl<'a> Class<'a> {
             .replace('|', "\\|")
             .replace('(', "\\(")
             .replace(')', "\\)")
+            .replace('{', "\\{")
+            .replace('}', "\\}")
             .replace('.', "\\.")
             .replace('#', "\\#")
             .replace('$', "\\$")
diff --git a/src/lib.rs b/src/lib.rs
index fa835c4..36300ca 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -195,4 +195,16 @@ mod tests {
             r#".border\[1px_solid_black\]{border:1px solid black;}"#
         );
     }
+
+    #[test]
+    fn generate_literals_works() {
+        let z = Zephyr::new();
+
+        // the curly brackets indicate that the value should not go through replacements
+        let classes = z.generate_classes(["border{1px_solid_black}", "w{full}"]);
+        assert_eq!(
+            classes,
+            r#".border\{1px_solid_black\}{border:1px_solid_black;}.w\{full\}{width:full;}"#
+        );
+    }
 }
diff --git a/src/parse.rs b/src/parse.rs
index 9282aba..2012905 100644
--- a/src/parse.rs
+++ b/src/parse.rs
@@ -1,6 +1,9 @@
 use crate::class::Class;
 
+// TODO return error
 pub(crate) fn parse_class<'a>(original: &'a str) -> Option<Class<'a>> {
+    // this code is kinda repetitive but idk
+
     let (class, pseudo) = if let Some((class, pseudo)) = original.split_once('$') {
         (class, Some(pseudo))
     } else {
@@ -24,6 +27,31 @@ pub(crate) fn parse_class<'a>(original: &'a str) -> Option<Class<'a>> {
         });
     }
 
+    match (pos(class, '{'), pos(class, '}')) {
+        (Some(start), Some(end)) if start <= end => {
+            let mods = if end + 1 == class.len() {
+                vec![]
+            } else {
+                class[end + 1..].split(',').collect()
+            };
+
+            return Some(Class {
+                name: &class[0..start],
+                value: Some(&class[start + 1..end]),
+                modifiers: mods.into(),
+                pseudo,
+                original,
+                value_literal: true,
+            });
+        }
+        // go to [...] case
+        (None, None) => {}
+        _ => {
+            // TODO return an error here
+            return None;
+        }
+    };
+
     match (pos(class, '['), pos(class, ']')) {
         (Some(start), Some(end)) if start <= end => {
             let mods = if end + 1 == class.len() {
@@ -78,6 +106,22 @@ mod tests {
             })
         );
     }
+    fn check_literal(
+        class: &str,
+        (name, value, modifiers, pseudo): (&str, Option<&str>, Vec<&str>, Option<&str>),
+    ) {
+        assert_eq!(
+            parse_class(class),
+            Some(Class {
+                name,
+                value,
+                modifiers: modifiers.into(),
+                pseudo,
+                original: class,
+                value_literal: true,
+            })
+        );
+    }
 
     #[test]
     fn parse_works() {
@@ -97,6 +141,15 @@ mod tests {
         );
     }
 
+    #[test]
+    fn parse_literal_values() {
+        // testing out weird unicode stuffs
+        check_literal(
+            "hello{hey_hello}",
+            ("hello", Some("hey_hello"), vec![], None),
+        );
+    }
+
     #[test]
     fn parse_modifier() {
         check("a[b]hover", ("a", Some("b"), vec!["hover"], None));