Add font command mapping

src/tokenizer/mod.rs

@@ -1,9 +1,12 @@
 use crate::tokens::constants::TokenPattern;
 use crate::tokens::mappings::{
-    get_accent_mappings, get_arrow_mapping, get_greek_mappings, get_grouping_mappings,
-    get_logical_mappings, get_misc_mappings, get_operation_mappings, get_relation_mapping,
+    get_accent_mappings, get_arrow_mapping, get_font_mappings, get_greek_mappings,
+    get_grouping_mappings, get_logical_mappings, get_misc_mappings, get_operation_mappings,
+    get_relation_mapping,
+};
+use crate::tokens::{
+    Accent, Arrow, FontCommand, Greek, Grouping, Logical, Misc, Operation, Relation, Token,
 };
-use crate::tokens::{Accent, Arrow, Greek, Grouping, Logical, Misc, Operation, Relation, Token};
 use charred::tapemachine::CharTapeMachine;
 use std::collections::HashMap;
 use std::fmt::Debug;
@@ -136,4 +139,18 @@ impl Tokenizer {
         }
         None
     }
+
+    fn parse_font_command(&mut self) -> Option<FontCommand> {
+        lazy_static! {
+            static ref FONTC_MAPPING: Vec<HashMap<&'static str, FontCommand>> = get_font_mappings();
+        }
+        for mapping in FONTC_MAPPING.iter() {
+            for key in mapping.keys() {
+                if self.ctm.check_str_sequence(*key) {
+                    return Some(mapping[key].clone());
+                }
+            }
+        }
+        None
+    }
 }

src/tokens/mappings.rs

@@ -1,5 +1,6 @@
 use crate::tokens::constants::accents::*;
 use crate::tokens::constants::arrows::*;
+use crate::tokens::constants::font_commands::*;
 use crate::tokens::constants::greek::*;
 use crate::tokens::constants::grouping::*;
 use crate::tokens::constants::logical::*;
@@ -8,7 +9,9 @@ use crate::tokens::constants::operations::*;
 use crate::tokens::constants::relations::*;
 
 use crate::tokens::constants::TokenPattern;
-use crate::tokens::{Accent, Arrow, Greek, Grouping, Logical, Misc, Operation, Relation};
+use crate::tokens::{
+    Accent, Arrow, FontCommand, Greek, Grouping, Logical, Misc, Operation, Relation,
+};
 use std::cell::RefCell;
 use std::collections::HashMap;
 
@@ -251,3 +254,18 @@ pub fn get_greek_mappings() -> Vec<HashMap<TokenPattern, Greek>> {
         G_BIGOMEGA => Greek::BigOmega,
     }]
 }
+
+pub fn get_font_mappings() -> Vec<HashMap<&'static str, FontCommand>> {
+    vec![
+        hashmap! {
+            F_BBB => FontCommand::BigOutline
+        },
+        hashmap! {
+            F_BB => FontCommand::Big,
+            F_CC => FontCommand::Cursive,
+            F_TT => FontCommand::TText,
+            F_FR => FontCommand::Fr,
+            F_SF => FontCommand::SansSerif,
+        },
+    ]
+}