Change inline formatting to accept multiple inline types

Signed-off-by: trivernis <trivernis@protonmail.com>

Cargo.lock

@@ -1117,7 +1117,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "snekdown"
-version = "0.22.10"
+version = "0.23.0"
 dependencies = [
  "asciimath-rs 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "base64 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "snekdown"
-version = "0.22.10"
+version = "0.23.0"
 authors = ["trivernis <trivernis@protonmail.com>"]
 edition = "2018"
 license-file = "LICENSE"

src/elements/mod.rs

@@ -184,22 +184,22 @@ pub struct PlainText {
 
 #[derive(Clone, Debug)]
 pub struct BoldText {
-    pub(crate) value: Box<Inline>,
+    pub(crate) value: Vec<Inline>,
 }
 
 #[derive(Clone, Debug)]
 pub struct ItalicText {
-    pub(crate) value: Box<Inline>,
+    pub(crate) value: Vec<Inline>,
 }
 
 #[derive(Clone, Debug)]
 pub struct UnderlinedText {
-    pub(crate) value: Box<Inline>,
+    pub(crate) value: Vec<Inline>,
 }
 
 #[derive(Clone, Debug)]
 pub struct StrikedText {
-    pub(crate) value: Box<Inline>,
+    pub(crate) value: Vec<Inline>,
 }
 
 #[derive(Clone, Debug)]
@@ -209,7 +209,7 @@ pub struct MonospaceText {
 
 #[derive(Clone, Debug)]
 pub struct SuperscriptText {
-    pub(crate) value: Box<Inline>,
+    pub(crate) value: Vec<Inline>,
 }
 
 #[derive(Clone, Debug)]

src/format/html.rs

@@ -397,31 +397,56 @@ impl ToHtml for Image {
 
 impl ToHtml for BoldText {
     fn to_html(&self) -> String {
-        format!("<b>{}</b>", self.value.to_html())
+        format!(
+            "<b>{}</b>",
+            self.value
+                .iter()
+                .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()))
+        )
     }
 }
 
 impl ToHtml for UnderlinedText {
     fn to_html(&self) -> String {
-        format!("<u>{}</u>", self.value.to_html())
+        format!(
+            "<u>{}</u>",
+            self.value
+                .iter()
+                .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()))
+        )
     }
 }
 
 impl ToHtml for ItalicText {
     fn to_html(&self) -> String {
-        format!("<i>{}</i>", self.value.to_html())
+        format!(
+            "<i>{}</i>",
+            self.value
+                .iter()
+                .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()))
+        )
     }
 }
 
 impl ToHtml for StrikedText {
     fn to_html(&self) -> String {
-        format!("<del>{}</del>", self.value.to_html())
+        format!(
+            "<del>{}</del>",
+            self.value
+                .iter()
+                .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()))
+        )
     }
 }
 
 impl ToHtml for SuperscriptText {
     fn to_html(&self) -> String {
-        format!("<sup>{}</sup>", self.value.to_html())
+        format!(
+            "<sup>{}</sup>",
+            self.value
+                .iter()
+                .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()))
+        )
     }
 }
 

src/parser/inline.rs

@@ -10,7 +10,7 @@ use std::collections::HashMap;
 use std::sync::{Arc, RwLock};
 
 pub(crate) trait ParseInline {
-    fn parse_surrounded(&mut self, surrounding: &char) -> ParseResult<Inline>;
+    fn parse_surrounded(&mut self, surrounding: &char) -> ParseResult<Vec<Inline>>;
     fn parse_inline(&mut self) -> ParseResult<Inline>;
     fn parse_image(&mut self) -> ParseResult<Image>;
     fn parse_url(&mut self, short_syntax: bool) -> ParseResult<Url>;
@@ -36,12 +36,18 @@ pub(crate) trait ParseInline {
 
 impl ParseInline for Parser {
     /// parses Inline surrounded by characters
-    fn parse_surrounded(&mut self, surrounding: &char) -> ParseResult<Inline> {
+    fn parse_surrounded(&mut self, surrounding: &char) -> ParseResult<Vec<Inline>> {
         let start_index = self.ctm.get_index();
         self.ctm.assert_char(surrounding, Some(start_index))?;
         self.ctm.seek_one()?;
-        let inline = self.parse_inline()?;
+        let mut inline = vec![self.parse_inline()?];
-        self.ctm.assert_char(surrounding, Some(start_index))?;
+        while !self.ctm.check_char(surrounding) {
+            if let Ok(result) = self.parse_inline() {
+                inline.push(result)
+            } else {
+                return Err(self.ctm.rewind_with_error(start_index));
+            }
+        }
         if !self.ctm.check_eof() {
             self.ctm.seek_one()?;
         }
@@ -181,24 +187,28 @@ impl ParseInline for Parser {
         let start_index = self.ctm.get_index();
         self.ctm.assert_sequence(&BOLD, Some(start_index))?;
         self.ctm.seek_one()?;
-        let inline = self.parse_inline()?;
+        let mut inline = vec![self.parse_inline()?];
-        self.ctm.assert_sequence(&BOLD, Some(start_index))?;
+        while !self.ctm.check_sequence(&BOLD) {
+            if let Ok(result) = self.parse_inline() {
+                inline.push(result);
+            } else {
+                return Err(self.ctm.rewind_with_error(start_index));
+            }
+        }
         self.ctm.seek_one()?;
 
-        Ok(BoldText {
+        Ok(BoldText { value: inline })
-            value: Box::new(inline),
-        })
     }
 
     fn parse_italic(&mut self) -> ParseResult<ItalicText> {
         Ok(ItalicText {
-            value: Box::new(self.parse_surrounded(&ITALIC)?),
+            value: self.parse_surrounded(&ITALIC)?,
         })
     }
 
     fn parse_striked(&mut self) -> ParseResult<StrikedText> {
         Ok(StrikedText {
-            value: Box::new(self.parse_surrounded(&STRIKED)?),
+            value: self.parse_surrounded(&STRIKED)?,
         })
     }
 
@@ -232,13 +242,13 @@ impl ParseInline for Parser {
 
     fn parse_underlined(&mut self) -> ParseResult<UnderlinedText> {
         Ok(UnderlinedText {
-            value: Box::new(self.parse_surrounded(&UNDERLINED)?),
+            value: self.parse_surrounded(&UNDERLINED)?,
         })
     }
 
     fn parse_superscript(&mut self) -> ParseResult<SuperscriptText> {
         Ok(SuperscriptText {
-            value: Box::new(self.parse_surrounded(&SUPER)?),
+            value: self.parse_surrounded(&SUPER)?,
         })
     }
 

src/references/templates.rs

@@ -65,11 +65,36 @@ impl GetTemplateVariables for Inline {
         match self {
             Inline::TemplateVar(temp) => vec![Arc::clone(temp)],
             Inline::Colored(col) => col.value.get_template_variables(),
-            Inline::Superscript(sup) => sup.value.get_template_variables(),
+            Inline::Superscript(sup) => sup
-            Inline::Striked(striked) => striked.value.get_template_variables(),
+                .value
-            Inline::Underlined(under) => under.value.get_template_variables(),
+                .iter()
-            Inline::Italic(it) => it.value.get_template_variables(),
+                .map(|e| e.get_template_variables())
-            Inline::Bold(bo) => bo.value.get_template_variables(),
+                .flatten()
+                .collect(),
+            Inline::Striked(striked) => striked
+                .value
+                .iter()
+                .map(|e| e.get_template_variables())
+                .flatten()
+                .collect(),
+            Inline::Underlined(under) => under
+                .value
+                .iter()
+                .map(|e| e.get_template_variables())
+                .flatten()
+                .collect(),
+            Inline::Italic(it) => it
+                .value
+                .iter()
+                .map(|e| e.get_template_variables())
+                .flatten()
+                .collect(),
+            Inline::Bold(bo) => bo
+                .value
+                .iter()
+                .map(|e| e.get_template_variables())
+                .flatten()
+                .collect(),
             _ => Vec::new(),
         }
     }
@@ -155,30 +180,71 @@ impl FreezeVariables for Inline {
                     col.value = Box::new(Inline::TemplateVar(temp))
                 }
             }
+
             Inline::Superscript(sup) => {
-                if let Some(temp) = sup.value.freeze_variables() {
+                sup.value = sup
-                    sup.value = Box::new(Inline::TemplateVar(temp))
+                    .value
+                    .iter_mut()
+                    .map(|e| {
+                        if let Some(temp) = e.freeze_variables() {
+                            Inline::TemplateVar(temp)
+                        } else {
+                            e.clone()
                         }
+                    })
+                    .collect();
             }
             Inline::Striked(striked) => {
-                if let Some(temp) = striked.value.freeze_variables() {
+                striked.value = striked
-                    striked.value = Box::new(Inline::TemplateVar(temp))
+                    .value
+                    .iter_mut()
+                    .map(|e| {
+                        if let Some(temp) = e.freeze_variables() {
+                            Inline::TemplateVar(temp)
+                        } else {
+                            e.clone()
                         }
+                    })
+                    .collect();
             }
             Inline::Underlined(under) => {
-                if let Some(temp) = under.value.freeze_variables() {
+                under.value = under
-                    under.value = Box::new(Inline::TemplateVar(temp))
+                    .value
+                    .iter_mut()
+                    .map(|e| {
+                        if let Some(temp) = e.freeze_variables() {
+                            Inline::TemplateVar(temp)
+                        } else {
+                            e.clone()
                         }
+                    })
+                    .collect();
             }
             Inline::Italic(it) => {
-                if let Some(temp) = it.value.freeze_variables() {
+                it.value = it
-                    it.value = Box::new(Inline::TemplateVar(temp))
+                    .value
+                    .iter_mut()
+                    .map(|e| {
+                        if let Some(temp) = e.freeze_variables() {
+                            Inline::TemplateVar(temp)
+                        } else {
+                            e.clone()
                         }
+                    })
+                    .collect();
             }
             Inline::Bold(bo) => {
-                if let Some(temp) = bo.value.freeze_variables() {
+                bo.value = bo
-                    bo.value = Box::new(Inline::TemplateVar(temp))
+                    .value
+                    .iter_mut()
+                    .map(|e| {
+                        if let Some(temp) = e.freeze_variables() {
+                            Inline::TemplateVar(temp)
+                        } else {
+                            e.clone()
                         }
+                    })
+                    .collect();
             }
             _ => {}
         }