Add support for an org-entities global setting.

src/context/global_settings.rs

@@ -1,6 +1,8 @@
 use std::collections::BTreeMap;
 use std::collections::BTreeSet;
 
+use super::constants::DEFAULT_ORG_ENTITIES;
+use super::constants::DEFAULT_ORG_LINK_PARAMETERS;
 use super::FileAccessInterface;
 use super::LocalFileAccessInterface;
 use crate::types::IndentationLevel;
@@ -34,11 +36,6 @@ pub struct GlobalSettings<'g, 's> {
     /// Corresponds to org-footnote-section elisp variable.
     pub footnote_section: &'g str,
 
-    /// The label format for references inside src/example blocks.
-    ///
-    /// Corresponds to org-coderef-label-format elisp variable.
-    pub coderef_label_format: &'g str,
-
     /// The allowed protocols for links (for example, the "https" in "https://foo.bar/").
     ///
     /// Corresponds to org-link-parameters elisp variable.
@@ -50,10 +47,26 @@ pub struct GlobalSettings<'g, 's> {
     ///
     /// This is set by including #+LINK in the org-mode document.
     pub link_templates: BTreeMap<String, String>,
+
+    /// The special characters that can be written in org-mode like \infin for the infinity symbol.
+    ///
+    /// Corresponds to org-entities elisp variable.
+    pub entities: &'g [EntityDefinition<'g>],
 }
 
 pub const DEFAULT_TAB_WIDTH: IndentationLevel = 8;
 
+#[derive(Debug, Clone)]
+pub struct EntityDefinition<'a> {
+    pub name: &'a str,
+    pub latex_math_mode: bool,
+    pub latex: &'a str,
+    pub html: &'a str,
+    pub ascii: &'a str,
+    // Skipping latin1 because it is detrimental to the future. If anyone out there is using latin1, take a long look in the mirror and change your ways.
+    pub utf8: &'a str,
+}
+
 impl<'g, 's> GlobalSettings<'g, 's> {
     fn new() -> GlobalSettings<'g, 's> {
         GlobalSettings {
@@ -67,9 +80,9 @@ impl<'g, 's> GlobalSettings<'g, 's> {
             tab_width: DEFAULT_TAB_WIDTH,
             odd_levels_only: HeadlineLevelFilter::default(),
             footnote_section: "Footnotes",
-            coderef_label_format: "(ref:%s)",
             link_parameters: &DEFAULT_ORG_LINK_PARAMETERS,
             link_templates: BTreeMap::new(),
+            entities: &DEFAULT_ORG_ENTITIES,
         }
     }
 }
@@ -91,29 +104,3 @@ impl Default for HeadlineLevelFilter {
         HeadlineLevelFilter::OddEven
     }
 }
-
-const DEFAULT_ORG_LINK_PARAMETERS: [&'static str; 23] = [
-    "id",
-    "eww",
-    "rmail",
-    "mhe",
-    "irc",
-    "info",
-    "gnus",
-    "docview",
-    "bibtex",
-    "bbdb",
-    "w3m",
-    "doi",
-    "file+sys",
-    "file+emacs",
-    "shell",
-    "news",
-    "mailto",
-    "https",
-    "http",
-    "ftp",
-    "help",
-    "file",
-    "elisp",
-];