Add to html implementation

5 years ago · bc1d620aa0
parent ee9198d001
commit bc1d620aa0
5 changed files with 260 additions and 18 deletions
--- a/src/elements.rs
+++ b/src/elements.rs
@ -18,48 +18,43 @@ pub enum Inline {

 #[derive(Clone, Debug)]
 pub struct Document {
-    elements: Vec<Block>,
+    pub(crate) elements: Vec<Block>,
 }

 #[derive(Clone, Debug)]
 pub struct Section {
-    header: Header,
-    elements: Vec<Block>,
+    pub(crate) header: Header,
+    pub(crate) elements: Vec<Block>,
 }

 #[derive(Clone, Debug)]
 pub struct Header {
-    pub size: u8,
-    pub line: Inline,
-}
-
-#[derive(Clone, Debug)]
-pub struct BlockQuote {
-    paragraph: Paragraph,
+    pub(crate) size: u8,
+    pub(crate) line: Inline,
 }

 #[derive(Clone, Debug)]
 pub struct Paragraph {
-    pub elements: Vec<Inline>,
+    pub(crate) elements: Vec<Inline>,
 }

 #[derive(Clone, Debug)]
 pub struct List {
-    pub ordered: bool,
-    pub items: Vec<ListItem>,
+    pub(crate) ordered: bool,
+    pub(crate) items: Vec<ListItem>,
 }

 #[derive(Clone, Debug)]
 pub struct ListItem {
-    text: Inline,
+    pub(crate) text: Inline,
    pub(crate) level: u16,
    pub(crate) children: Vec<ListItem>,
 }

 #[derive(Clone, Debug)]
 pub struct Table {
-    header: Row,
-    pub rows: Vec<Row>,
+    pub(crate) header: Row,
+    pub(crate) rows: Vec<Row>,
 }

 #[derive(Clone, Debug)]
@ -155,8 +150,8 @@ pub struct MonospaceText {

 #[derive(Clone, Debug)]
 pub struct Url {
-    description: Option<String>,
-    url: String,
+    pub description: Option<String>,
+    pub url: String,
 }

 #[derive(Clone, Debug)]
--- a/src/format/html.rs
+++ b/src/format/html.rs
@ -0,0 +1,243 @@
+use crate::elements::*;
+
+pub trait ToHtml {
+    fn to_html(&self) -> String;
+}
+
+impl ToHtml for Inline {
+    fn to_html(&self) -> String {
+        match self {
+            Inline::Text(text) => text.to_html(),
+        }
+    }
+}
+
+impl ToHtml for SubText {
+    fn to_html(&self) -> String {
+        match self {
+            SubText::Url(url) => url.to_html(),
+            SubText::Monospace(mono) => mono.to_html(),
+            SubText::Striked(striked) => striked.to_html(),
+            SubText::Plain(plain) => plain.to_html(),
+            SubText::Italic(italic) => italic.to_html(),
+            SubText::Underlined(under) => under.to_html(),
+            SubText::Bold(bold) => bold.to_html(),
+            SubText::Image(img) => img.to_html(),
+            _ => "".to_string(),
+        }
+    }
+}
+
+impl ToHtml for Block {
+    fn to_html(&self) -> String {
+        match self {
+            Block::Paragraph(para) => para.to_html(),
+            Block::List(list) => list.to_html(),
+            Block::Table(table) => table.to_html(),
+            Block::CodeBlock(code) => code.to_html(),
+            Block::Quote(quote) => quote.to_html(),
+            Block::Section(section) => section.to_html(),
+            Block::Import(import) => import.to_html(),
+        }
+    }
+}
+
+impl ToHtml for Document {
+    fn to_html(&self) -> String {
+        let inner = self
+            .elements
+            .iter()
+            .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()));
+        format!("<html><body>{}</body></html>", inner)
+    }
+}
+
+impl ToHtml for Import {
+    fn to_html(&self) -> String {
+        let anchor = self.anchor.lock().unwrap();
+        if let Some(document) = &anchor.document {
+            document.to_html()
+        } else {
+            "".to_string()
+        }
+    }
+}
+
+impl ToHtml for Section {
+    fn to_html(&self) -> String {
+        let inner = self
+            .elements
+            .iter()
+            .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()));
+        format!("<section>{}{}</section>", self.header.to_html(), inner)
+    }
+}
+
+impl ToHtml for Header {
+    fn to_html(&self) -> String {
+        format!("<h{0}>{1}</h{0}>", self.size, self.line.to_html())
+    }
+}
+
+impl ToHtml for Paragraph {
+    fn to_html(&self) -> String {
+        let inner = self
+            .elements
+            .iter()
+            .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()));
+        format!("<p>{}</p>", inner)
+    }
+}
+
+impl ToHtml for List {
+    fn to_html(&self) -> String {
+        let inner = self
+            .items
+            .iter()
+            .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()));
+        if self.ordered {
+            format!("<ol>{}</ol>", inner)
+        } else {
+            format!("<ul>{}</ul>", inner)
+        }
+    }
+}
+
+impl ToHtml for ListItem {
+    fn to_html(&self) -> String {
+        let inner = self
+            .children
+            .iter()
+            .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()));
+        format!("<li>{}<ul>{}</ul></li>", self.text.to_html(), inner)
+    }
+}
+
+impl ToHtml for Table {
+    fn to_html(&self) -> String {
+        let head = self.header.cells.iter().fold("".to_string(), |a, b| {
+            format!("{}<th>{}</th>", a, b.text.to_html())
+        });
+        let body = self
+            .rows
+            .iter()
+            .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()));
+        format!("<table><tr>{}<tr>{}</table>", head, body)
+    }
+}
+
+impl ToHtml for Row {
+    fn to_html(&self) -> String {
+        let inner = self
+            .cells
+            .iter()
+            .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()));
+        format!("<tr>{}</tr>", inner)
+    }
+}
+
+impl ToHtml for Cell {
+    fn to_html(&self) -> String {
+        format!("<td>{}</td>", self.text.to_html())
+    }
+}
+
+impl ToHtml for CodeBlock {
+    fn to_html(&self) -> String {
+        format!(
+            "<div><code lang='{}'>{}</code></div>",
+            self.language.clone(),
+            self.code.clone()
+        )
+    }
+}
+
+impl ToHtml for Quote {
+    fn to_html(&self) -> String {
+        let text = self
+            .text
+            .iter()
+            .fold("".to_string(), |a, b| format!("{}<br>{}", a, b.to_html()));
+        if let Some(meta) = self.metadata.clone() {
+            format!(
+                "<div><blockquote>{}</blockquote><span>- {}</span></div>",
+                text, meta.data
+            )
+        } else {
+            format!("<blockquote>{}</blockquote>", text)
+        }
+    }
+}
+
+impl ToHtml for Text {
+    fn to_html(&self) -> String {
+        self.subtext
+            .iter()
+            .fold("".to_string(), |a, b| format!("{}{}", a, b.to_html()))
+    }
+}
+
+impl ToHtml for Image {
+    fn to_html(&self) -> String {
+        if let Some(description) = self.url.description.clone() {
+            format!(
+                "<div>\
+                <a href={0}>\
+                    <img src='{0}' alt='{1}'/>\
+                </a>\
+                <label class='imageDescription'>{1}</label>
+            </div>",
+                self.url.url.clone(),
+                description
+            )
+        } else {
+            format!("<a href={0}><img src='{0}'/></a>", self.url.url.clone(),)
+        }
+    }
+}
+
+impl ToHtml for BoldText {
+    fn to_html(&self) -> String {
+        format!("<u>{}</u>", self.value.to_html())
+    }
+}
+
+impl ToHtml for UnderlinedText {
+    fn to_html(&self) -> String {
+        format!("<u>{}</u>", self.value.to_html())
+    }
+}
+
+impl ToHtml for ItalicText {
+    fn to_html(&self) -> String {
+        format!("<i>{}</i>", self.value.to_html())
+    }
+}
+
+impl ToHtml for StrikedText {
+    fn to_html(&self) -> String {
+        format!("<del>{}</del>", self.value.to_html())
+    }
+}
+
+impl ToHtml for MonospaceText {
+    fn to_html(&self) -> String {
+        format!("<code>{}</code>", self.value.to_html())
+    }
+}
+
+impl ToHtml for Url {
+    fn to_html(&self) -> String {
+        if let Some(description) = self.description.clone() {
+            format!("<a href='{}'>{}</a>", self.url.clone(), description)
+        } else {
+            format!("<a href='{}'>{}</a>", self.url.clone(), self.url.clone())
+        }
+    }
+}
+
+impl ToHtml for PlainText {
+    fn to_html(&self) -> String {
+        self.value.clone()
+    }
+}
--- a/src/format/mod.rs
+++ b/src/format/mod.rs
@ -0,0 +1 @@
+pub mod html;
--- a/src/lib.rs
+++ b/src/lib.rs
@ -1,3 +1,4 @@
 pub mod elements;
+pub mod format;
 pub mod parser;
 pub mod tokens;
--- a/src/main.rs
+++ b/src/main.rs
@ -1,3 +1,4 @@
+use markdown_rs::format::html::ToHtml;
 use markdown_rs::parser::Parser;
 use std::fs::{read_to_string, write};
 use std::time::Instant;
@ -12,4 +13,5 @@ fn main() {
    let document = parser.parse();
    println!("Total duration: {:?}", start.elapsed());
    write("test/document.ast", format!("{:#?}", document)).unwrap();
+    write("test/document.html", document.to_html()).unwrap()
 }