diff options
Diffstat (limited to '')
| -rw-r--r-- | src/compiler.rs | 88 |
1 files changed, 61 insertions, 27 deletions
diff --git a/src/compiler.rs b/src/compiler.rs index 019a53a..bb7aedc 100644 --- a/src/compiler.rs +++ b/src/compiler.rs @@ -9,31 +9,38 @@ use crate::util::{ span::{codes as codes_from_span, from_exit_event, serialize}, }; -/// To do. +/// Type of line endings in markdown. #[derive(Debug, Clone, PartialEq)] pub enum LineEnding { + /// Both a carriage return (`\r`) and a line feed (`\n`). + /// + /// ## Example + /// + /// ```markdown + /// a␍␊ + /// b + /// ``` CarriageReturnLineFeed, + /// Sole carriage return (`\r`). + /// + /// ## Example + /// + /// ```markdown + /// a␍ + /// b + /// ``` CarriageReturn, + /// Sole line feed (`\n`). + /// + /// ## Example + /// + /// ```markdown + /// a␊ + /// b + /// ``` LineFeed, } -/// To do. -#[derive(Debug)] -struct Media { - /// To do. - image: bool, - /// To do. - label_id: String, - /// To do. - label: String, - /// To do. - // reference_id: String, - /// To do. - destination: Option<String>, - /// To do. - title: Option<String>, -} - impl LineEnding { /// Turn the line ending into a [str]. fn as_str(&self) -> &str { @@ -58,6 +65,32 @@ impl LineEnding { } } +/// Representation of a link or image, resource or reference. +#[derive(Debug)] +struct Media { + /// Whether this represents an image (`true`) or a link (`false`). + image: bool, + /// The text between the brackets (`x` in `![x]()` and `[x]()`), as an + /// identifier, meaning that the original source characters are used + /// instead of interpreting them. + label_id: Option<String>, + /// The text between the brackets (`x` in `![x]()` and `[x]()`), as + /// content. + /// When this is a link, it can contain further text content and thus HTML + /// tags. + /// Otherwise, when an image, text content is also allowed, but resulting + /// tags are ignored. + label: Option<String>, + /// To do. + // reference_id: String, + /// The destination (url). + /// Interpreted string content. + destination: Option<String>, + /// The destination (url). + /// Interpreted string content. + title: Option<String>, +} + /// Configuration (optional). #[derive(Default, Debug)] pub struct Options { @@ -313,8 +346,8 @@ pub fn compile(events: &[Event], codes: &[Code], options: &Options) -> String { TokenType::Image => { media_stack.push(Media { image: true, - label_id: "".to_string(), - label: "".to_string(), + label_id: None, + label: None, // reference_id: "".to_string(), destination: None, title: None, @@ -324,8 +357,8 @@ pub fn compile(events: &[Event], codes: &[Code], options: &Options) -> String { TokenType::Link => { media_stack.push(Media { image: false, - label_id: "".to_string(), - label: "".to_string(), + label_id: None, + label: None, // reference_id: "".to_string(), destination: None, title: None, @@ -416,11 +449,11 @@ pub fn compile(events: &[Event], codes: &[Code], options: &Options) -> String { } TokenType::Label => { let media = media_stack.last_mut().unwrap(); - media.label = resume(buffers); + media.label = Some(resume(buffers)); } TokenType::LabelText => { let media = media_stack.last_mut().unwrap(); - media.label_id = serialize(codes, &from_exit_event(events, index), false); + media.label_id = Some(serialize(codes, &from_exit_event(events, index), false)); } TokenType::ResourceDestinationString => { let media = media_stack.last_mut().unwrap(); @@ -447,6 +480,7 @@ pub fn compile(events: &[Event], codes: &[Code], options: &Options) -> String { let media = media_stack.pop().unwrap(); println!("media: {:?}", media); + let label = media.label.unwrap(); let buf = buf_tail_mut(buffers); // To do: get from definition. let destination = media.destination.unwrap(); @@ -460,7 +494,7 @@ pub fn compile(events: &[Event], codes: &[Code], options: &Options) -> String { buf.push(format!( "<img src=\"{}\" alt=\"{}\"{} />", sanitize_uri(&destination, &protocol_src), - media.label, + label, title )); } else { @@ -468,7 +502,7 @@ pub fn compile(events: &[Event], codes: &[Code], options: &Options) -> String { "<a href=\"{}\"{}>{}</a>", sanitize_uri(&destination, &protocol_href), title, - media.label + label )); } } @@ -722,7 +756,7 @@ fn buf_tail(buffers: &mut [Vec<String>]) -> &Vec<String> { buffers.last().expect("at least one buffer should exist") } -/// To do. +/// Optionally encode. fn encode_opt(value: &str, ignore_encode: bool) -> String { if ignore_encode { value.to_string() |