Feature: add support for configuring quote symbols

src/highlighting.rs

@@ -1,7 +1,7 @@
 #[cfg(feature = "editor")]
 use super::Editor;
 
-use super::syntax::{Syntax, TokenType, QUOTES, SEPARATORS};
+use super::syntax::{SEPARATORS, Syntax, TokenType};
 use std::mem;
 
 #[derive(Default, Debug, PartialEq, PartialOrd, Eq, Ord)]
@@ -39,6 +39,7 @@ impl Token {
             c if syntax.is_special(c.to_string().as_str()) => TokenType::Special,
             c if syntax.comment == c.to_string().as_str() => TokenType::Comment(false),
             c if syntax.comment_multiline[0] == c.to_string().as_str() => TokenType::Comment(true),
+            c if syntax.is_quote_symbol(&c) => TokenType::Str(c),
             _ => TokenType::from(c),
         };
         token
@@ -136,7 +137,7 @@ impl Token {
                 c if !c.is_alphanumeric() && !SEPARATORS.contains(&c) => {
                     tokens.extend(self.drain(self.ty));
                     self.buffer.push(c);
-                    self.ty = if QUOTES.contains(&c) {
+                    self.ty = if syntax.is_quote_symbol(&c) {
                         Ty::Str(c)
                     } else {
                         Ty::Punctuation(c)

src/syntax/asm.rs

@@ -1,3 +1,5 @@
+use crate::syntax::DEFAULT_QUOTES;
+
 use super::Syntax;
 use std::collections::BTreeSet;
 
@@ -1177,6 +1179,7 @@ impl Syntax {
                 "ZMM10", "ZMM11", "ZMM12", "ZMM13", "ZMM14", "ZMM15",
                 // ZMM
             ]),
+            quote_symbols: &DEFAULT_QUOTES,
         }
     }
 }

src/syntax/lua.rs

@@ -1,3 +1,5 @@
+use crate::syntax::DEFAULT_QUOTES;
+
 use super::Syntax;
 use std::collections::BTreeSet;
 
@@ -17,6 +19,7 @@ impl Syntax {
                 "boolean", "number", "string", "function", "userdata", "thread", "table",
             ]),
             special: BTreeSet::from(["false", "nil", "true"]),
+            quote_symbols: &DEFAULT_QUOTES,
         }
     }
 }

src/syntax/mod.rs

@@ -10,7 +10,7 @@ use std::collections::BTreeSet;
 use std::hash::{Hash, Hasher};
 
 pub const SEPARATORS: [char; 1] = ['_'];
-pub const QUOTES: [char; 3] = ['\'', '"', '`'];
+pub const DEFAULT_QUOTES: [char; 3] = ['\'', '"', '`'];
 
 type MultiLine = bool;
 type Float = bool;
@@ -83,7 +83,6 @@ impl From<char> for TokenType {
     fn from(c: char) -> Self {
         match c {
             c if c.is_whitespace() => TokenType::Whitespace(c),
-            c if QUOTES.contains(&c) => TokenType::Str(c),
             c if c.is_numeric() => TokenType::Numeric(false),
             c if c.is_alphabetic() || SEPARATORS.contains(&c) => TokenType::Literal,
             c if c.is_ascii_punctuation() => TokenType::Punctuation(c),
@@ -103,6 +102,7 @@ pub struct Syntax {
     pub keywords: BTreeSet<&'static str>,
     pub types: BTreeSet<&'static str>,
     pub special: BTreeSet<&'static str>,
+    pub quote_symbols: &'static [char],
 }
 impl Default for Syntax {
     fn default() -> Self {
@@ -160,6 +160,12 @@ impl Syntax {
             ..self
         }
     }
+    pub fn with_quote_symbols<T: Into<&'static [char]>>(self, quote_symbols: T) -> Self {
+        Syntax {
+            quote_symbols: quote_symbols.into(),
+            ..self
+        }
+    }
 
     pub fn language(&self) -> &str {
         self.language
@@ -191,6 +197,9 @@ impl Syntax {
             self.special.contains(word.to_ascii_uppercase().as_str())
         }
     }
+    pub fn is_quote_symbol(&self, c: &char) -> bool {
+        self.quote_symbols.contains(c)
+    }
 }
 
 impl Syntax {
@@ -204,6 +213,7 @@ impl Syntax {
             keywords: BTreeSet::new(),
             types: BTreeSet::new(),
             special: BTreeSet::new(),
+            quote_symbols: &[],
         }
     }
 }

src/syntax/python.rs

@@ -1,3 +1,5 @@
+use crate::syntax::DEFAULT_QUOTES;
+
 use super::Syntax;
 use std::collections::BTreeSet;
 
@@ -32,6 +34,7 @@ impl Syntax {
                 "frozenset",
             ]),
             special: BTreeSet::from(["False", "None", "True"]),
+            quote_symbols: &DEFAULT_QUOTES,
         }
     }
 }

src/syntax/rust.rs

@@ -1,3 +1,5 @@
+use crate::syntax::DEFAULT_QUOTES;
+
 use super::Syntax;
 use std::collections::BTreeSet;
 
@@ -83,6 +85,7 @@ impl Syntax {
                 "Weak",
             ]),
             special: BTreeSet::from(["Self", "static", "true", "false"]),
+            quote_symbols: &DEFAULT_QUOTES,
         }
     }
 }

src/syntax/shell.rs

@@ -1,3 +1,5 @@
+use crate::syntax::DEFAULT_QUOTES;
+
 use super::Syntax;
 use std::collections::BTreeSet;
 
@@ -36,6 +38,7 @@ impl Syntax {
                 "alias", "bg", "cd", "command", "false", "fc", "fg", "getopts", "jobs", "kill",
                 "newgrp", "pwd", "read", "true", "umask", "unalias", "wait",
             ]),
+            quote_symbols: &DEFAULT_QUOTES,
         }
     }
 }

src/syntax/sql.rs

@@ -1,3 +1,5 @@
+use crate::syntax::DEFAULT_QUOTES;
+
 use super::Syntax;
 use std::collections::BTreeSet;
 
@@ -133,6 +135,7 @@ impl Syntax {
                 "DATABASE",
             ]),
             special: BTreeSet::from(["PUBLIC"]),
+            quote_symbols: &DEFAULT_QUOTES,
         }
     }
 }