refactor(export): HtmlRender & HtmlHandler
This commit is contained in:
parent
8ba9ade62d
commit
69de17ad9b
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@ -16,3 +16,6 @@ travis-ci = { repository = "PoiScript/orgize" }
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bytecount = "0.5.1"
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jetscii = "0.4.3"
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memchr = "2"
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[dev-dependencies]
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slugify = "0.1.0"
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39
README.md
39
README.md
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@ -23,52 +23,45 @@ extern crate orgize;
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```rust
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use orgize::Parser;
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fn main() {
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let parser = Parser::new(
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r#"* Title 1
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let parser = Parser::new(
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r"* Title 1
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*Section 1*
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** Title 2
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_Section 2_
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* Title 3
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/Section 3/
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* Title 4
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=Section 4="#,
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);
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=Section 4=",
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);
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for event in parser {
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// handling the event
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}
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for event in parser {
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// handling the event
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}
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```
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Alternatively, you can use the built-in render.
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```rust
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use orgize::export::{HtmlHandler, Render};
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use orgize::export::DefaultHtmlRender;
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use std::io::Cursor;
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fn main() {
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let contents = r#"* Title 1
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let contents = r"* Title 1
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*Section 1*
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** Title 2
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_Section 2_
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* Title 3
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/Section 3/
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* Title 4
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=Section 4="#;
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=Section 4=";
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let cursor = Cursor::new(Vec::new());
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let mut render = Render::new(HtmlHandler, cursor, &contents);
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let cursor = Cursor::new(Vec::new());
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let mut render = DefaultHtmlRender::new(cursor, &contents);
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render
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.render()
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.expect("something went wrong rendering the file");
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println!(
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"{}",
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String::from_utf8(render.into_wirter().into_inner()).expect("invalid utf-8")
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);
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}
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render
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.render()
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.expect("something went wrong rendering the file");
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let result = String::from_utf8(render.into_wirter().into_inner()).expect("invalid utf-8");
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```
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## License
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@ -1,33 +0,0 @@
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use std::env;
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use std::fs::File;
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use std::io::Cursor;
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use std::io::Read;
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use orgize::export::{HtmlHandler, Render};
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fn main() {
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let args: Vec<String> = env::args().collect();
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if args.len() < 2 {
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println!("Usage: {} <org-file>", args[0]);
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return;
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}
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let mut file = File::open(&args[1]).expect(&format!("file {} not found", &args[1]));
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let mut contents = String::new();
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file.read_to_string(&mut contents)
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.expect("something went wrong reading the file");
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let cursor = Cursor::new(Vec::new());
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let handler = HtmlHandler;
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let mut render = Render::new(handler, cursor, &contents);
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render
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.render()
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.expect("something went wrong rendering the file");
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println!(
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"{}",
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String::from_utf8(render.into_wirter().into_inner()).expect("invalid utf-8")
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);
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}
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49
examples/custom_handler.rs
Normal file
49
examples/custom_handler.rs
Normal file
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@ -0,0 +1,49 @@
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use std::env::args;
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use std::fs::File;
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use std::io::{Cursor, Read, Result, Write};
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use orgize::export::*;
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use orgize::headline::Headline;
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use slugify::slugify;
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struct CustomHtmlHandler;
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impl<W: Write> HtmlHandler<W> for CustomHtmlHandler {
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fn handle_headline_beg(&mut self, w: &mut W, hdl: Headline) -> Result<()> {
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write!(
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w,
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r##"<h{0}><a class="anchor" href="#{1}">{2}</a></h{0}>"##,
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if hdl.level <= 6 { hdl.level } else { 6 },
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slugify!(hdl.title),
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hdl.title,
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)
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}
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}
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fn main() -> Result<()> {
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let args: Vec<_> = args().collect();
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if args.len() < 2 {
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println!("Usage: {} <org-file>", args[0]);
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} else {
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let mut file = File::open(&args[1])?;
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let mut contents = String::new();
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file.read_to_string(&mut contents)?;
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let cursor = Cursor::new(Vec::new());
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//let mut render = DefaultHtmlRender::new(cursor, &contents);
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// comment the following line and uncomment the line above to use the default handler
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let mut render = HtmlRender::new(CustomHtmlHandler, cursor, &contents);
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render.render()?;
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println!(
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"{}",
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String::from_utf8(render.into_wirter().into_inner()).expect("invalid utf-8")
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);
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}
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Ok(())
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}
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@ -1,14 +1,11 @@
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#![allow(unused_variables)]
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use crate::elements::Key;
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use crate::export::Handler;
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use crate::headline::Headline;
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use crate::objects::Cookie;
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use std::io::{Result, Write};
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pub struct HtmlHandler;
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impl<W: Write> Handler<W> for HtmlHandler {
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pub trait HtmlHandler<W: Write> {
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fn handle_headline_beg(&mut self, w: &mut W, hdl: Headline) -> Result<()> {
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let level = if hdl.level <= 6 { hdl.level } else { 6 };
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write!(w, "<h{0}>{1}</h{0}>", level, hdl.title)
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@ -2,171 +2,134 @@ mod html;
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pub use self::html::HtmlHandler;
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use crate::elements::Key;
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use crate::headline::Headline;
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use crate::objects::Cookie;
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use crate::parser::Parser;
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use std::io::{Result, Write};
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pub trait Handler<W: Write> {
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fn handle_headline_beg(&mut self, w: &mut W, hdl: Headline) -> Result<()>;
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fn handle_headline_end(&mut self, w: &mut W) -> Result<()>;
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fn handle_section_beg(&mut self, w: &mut W) -> Result<()>;
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fn handle_section_end(&mut self, w: &mut W) -> Result<()>;
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fn handle_paragraph_beg(&mut self, w: &mut W) -> Result<()>;
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fn handle_paragraph_end(&mut self, w: &mut W) -> Result<()>;
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fn handle_ctr_block_beg(&mut self, w: &mut W) -> Result<()>;
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fn handle_ctr_block_end(&mut self, w: &mut W) -> Result<()>;
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fn handle_qte_block_beg(&mut self, w: &mut W) -> Result<()>;
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fn handle_qte_block_end(&mut self, w: &mut W) -> Result<()>;
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fn handle_spl_block_beg(&mut self, w: &mut W, name: &str, args: Option<&str>) -> Result<()>;
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fn handle_spl_block_end(&mut self, w: &mut W) -> Result<()>;
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fn handle_comment_block(&mut self, w: &mut W, cont: &str, args: Option<&str>) -> Result<()>;
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fn handle_example_block(&mut self, w: &mut W, cont: &str, args: Option<&str>) -> Result<()>;
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fn handle_export_block(&mut self, w: &mut W, cont: &str, args: Option<&str>) -> Result<()>;
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fn handle_src_block(&mut self, w: &mut W, cont: &str, args: Option<&str>) -> Result<()>;
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fn handle_verse_block(&mut self, w: &mut W, cont: &str, args: Option<&str>) -> Result<()>;
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fn handle_dyn_block_beg(&mut self, w: &mut W, name: &str, args: Option<&str>) -> Result<()>;
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fn handle_dyn_block_end(&mut self, w: &mut W) -> Result<()>;
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fn handle_list_beg(&mut self, w: &mut W, ordered: bool) -> Result<()>;
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fn handle_list_end(&mut self, w: &mut W, ordered: bool) -> Result<()>;
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fn handle_list_beg_item(&mut self, w: &mut W, bullet: &str) -> Result<()>;
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fn handle_list_end_item(&mut self, w: &mut W) -> Result<()>;
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fn handle_call(&mut self, w: &mut W, value: &str) -> Result<()>;
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fn handle_clock(&mut self, w: &mut W) -> Result<()>;
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fn handle_comment(&mut self, w: &mut W, cont: &str) -> Result<()>;
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fn handle_fixed_width(&mut self, w: &mut W, cont: &str) -> Result<()>;
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fn handle_table_start(&mut self, w: &mut W) -> Result<()>;
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fn handle_table_end(&mut self, w: &mut W) -> Result<()>;
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fn handle_table_cell(&mut self, w: &mut W) -> Result<()>;
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fn handle_latex_env(&mut self, w: &mut W) -> Result<()>;
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fn handle_fn_def(&mut self, w: &mut W, label: &str, cont: &str) -> Result<()>;
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fn handle_keyword(&mut self, w: &mut W, key: Key<'_>, value: &str) -> Result<()>;
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fn handle_rule(&mut self, w: &mut W) -> Result<()>;
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fn handle_cookie(&mut self, w: &mut W, cookie: Cookie) -> Result<()>;
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fn handle_fn_ref(&mut self, w: &mut W, label: Option<&str>, def: Option<&str>) -> Result<()>;
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fn handle_inline_call(
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&mut self,
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w: &mut W,
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name: &str,
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args: &str,
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inside_header: Option<&str>,
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end_header: Option<&str>,
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) -> Result<()>;
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fn handle_inline_src(
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&mut self,
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w: &mut W,
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lang: &str,
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option: Option<&str>,
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body: &str,
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) -> Result<()>;
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fn handle_link(&mut self, w: &mut W, path: &str, desc: Option<&str>) -> Result<()>;
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fn handle_macros(&mut self, w: &mut W, name: &str, args: Option<&str>) -> Result<()>;
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fn handle_radio_target(&mut self, w: &mut W, target: &str) -> Result<()>;
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fn handle_snippet(&mut self, w: &mut W, name: &str, value: &str) -> Result<()>;
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fn handle_target(&mut self, w: &mut W, target: &str) -> Result<()>;
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fn handle_bold_beg(&mut self, w: &mut W) -> Result<()>;
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fn handle_bold_end(&mut self, w: &mut W) -> Result<()>;
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fn handle_italic_beg(&mut self, w: &mut W) -> Result<()>;
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fn handle_italic_end(&mut self, w: &mut W) -> Result<()>;
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fn handle_strike_beg(&mut self, w: &mut W) -> Result<()>;
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fn handle_strike_end(&mut self, w: &mut W) -> Result<()>;
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fn handle_underline_beg(&mut self, w: &mut W) -> Result<()>;
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fn handle_underline_end(&mut self, w: &mut W) -> Result<()>;
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fn handle_verbatim(&mut self, w: &mut W, cont: &str) -> Result<()>;
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fn handle_code(&mut self, w: &mut W, cont: &str) -> Result<()>;
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fn handle_text(&mut self, w: &mut W, cont: &str) -> Result<()>;
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}
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macro_rules! create_render {
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($handler:ident, $default_handler:ident, $render:ident, $default_render:ident) => {
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struct $default_handler;
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pub struct Render<'a, W: Write, H: Handler<W>> {
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pub parser: Parser<'a>,
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pub handler: H,
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writer: W,
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}
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impl<W: Write> $handler<W> for $default_handler {}
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impl<'a, W: Write, H: Handler<W>> Render<'a, W, H> {
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pub fn new(handler: H, writer: W, text: &'a str) -> Render<'a, W, H> {
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Render {
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parser: Parser::new(text),
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handler,
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writer,
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}
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}
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pub struct $default_render<'a, W: Write>($render<'a, W, $default_handler>);
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pub fn into_wirter(self) -> W {
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self.writer
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}
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impl<'a, W: Write> $default_render<'a, W> {
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#[inline]
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pub fn new(writer: W, text: &'a str) -> Self {
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$default_render($render::new($default_handler, writer, text))
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}
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pub fn render(&mut self) -> Result<()> {
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use crate::parser::Event::*;
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#[inline]
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pub fn into_wirter(self) -> W {
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self.0.writer
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}
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let w = &mut self.writer;
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let h = &mut self.handler;
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for event in &mut self.parser {
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match event {
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HeadlineBeg(hdl) => h.handle_headline_beg(w, hdl)?,
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HeadlineEnd => h.handle_headline_end(w)?,
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SectionBeg => h.handle_section_beg(w)?,
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SectionEnd => h.handle_section_end(w)?,
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ParagraphBeg => h.handle_paragraph_beg(w)?,
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ParagraphEnd => h.handle_paragraph_end(w)?,
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CtrBlockBeg => h.handle_ctr_block_beg(w)?,
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CtrBlockEnd => h.handle_ctr_block_end(w)?,
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QteBlockBeg => h.handle_qte_block_beg(w)?,
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QteBlockEnd => h.handle_qte_block_end(w)?,
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SplBlockBeg { name, args } => h.handle_spl_block_beg(w, name, args)?,
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SplBlockEnd => h.handle_spl_block_end(w)?,
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CommentBlock { cont, args } => h.handle_comment_block(w, cont, args)?,
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ExampleBlock { cont, args } => h.handle_example_block(w, cont, args)?,
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ExportBlock { cont, args } => h.handle_export_block(w, cont, args)?,
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SrcBlock { cont, args } => h.handle_src_block(w, cont, args)?,
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VerseBlock { cont, args } => h.handle_verse_block(w, cont, args)?,
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DynBlockBeg { name, args } => h.handle_dyn_block_beg(w, name, args)?,
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DynBlockEnd => h.handle_dyn_block_end(w)?,
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ListBeg { ordered } => h.handle_list_beg(w, ordered)?,
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ListEnd { ordered } => h.handle_list_end(w, ordered)?,
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ListItemBeg { bullet } => h.handle_list_beg_item(w, bullet)?,
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ListItemEnd => h.handle_list_end_item(w)?,
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Call { value } => h.handle_call(w, value)?,
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Clock => h.handle_clock(w)?,
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Comment(c) => h.handle_comment(w, c)?,
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FixedWidth(f) => h.handle_fixed_width(w, f)?,
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TableStart => h.handle_table_start(w)?,
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TableEnd => h.handle_table_end(w)?,
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TableCell => h.handle_table_cell(w)?,
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LatexEnv => h.handle_latex_env(w)?,
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FnDef { label, cont } => h.handle_fn_def(w, label, cont)?,
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Keyword { key, value } => h.handle_keyword(w, key, value)?,
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Rule => h.handle_rule(w)?,
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Cookie(cookie) => h.handle_cookie(w, cookie)?,
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FnRef { label, def } => h.handle_fn_ref(w, label, def)?,
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InlineSrc { lang, option, body } => h.handle_inline_src(w, lang, option, body)?,
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InlineCall {
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name,
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args,
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inside_header,
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end_header,
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} => h.handle_inline_call(w, name, args, inside_header, end_header)?,
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Link { path, desc } => h.handle_link(w, path, desc)?,
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Macros { name, args } => h.handle_macros(w, name, args)?,
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RadioTarget { target } => h.handle_radio_target(w, target)?,
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Snippet { name, value } => h.handle_snippet(w, name, value)?,
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Target { target } => h.handle_target(w, target)?,
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BoldBeg => h.handle_bold_beg(w)?,
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BoldEnd => h.handle_bold_end(w)?,
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ItalicBeg => h.handle_italic_beg(w)?,
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ItalicEnd => h.handle_italic_end(w)?,
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StrikeBeg => h.handle_strike_beg(w)?,
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StrikeEnd => h.handle_strike_end(w)?,
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UnderlineBeg => h.handle_underline_beg(w)?,
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UnderlineEnd => h.handle_underline_end(w)?,
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Verbatim(cont) => h.handle_verbatim(w, cont)?,
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Code(cont) => h.handle_code(w, cont)?,
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Text(cont) => h.handle_text(w, cont)?,
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#[inline]
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pub fn render(&mut self) -> Result<()> {
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self.0.render()
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}
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}
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Ok(())
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}
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pub struct $render<'a, W: Write, H: $handler<W>> {
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pub parser: Parser<'a>,
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handler: H,
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writer: W,
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}
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impl<'a, W: Write, H: $handler<W>> $render<'a, W, H> {
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pub fn new(handler: H, writer: W, text: &'a str) -> Self {
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$render {
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parser: Parser::new(text),
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handler,
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writer,
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}
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}
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pub fn into_wirter(self) -> W {
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self.writer
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}
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pub fn render(&mut self) -> Result<()> {
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use crate::parser::Event::*;
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let w = &mut self.writer;
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let h = &mut self.handler;
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for event in &mut self.parser {
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match event {
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HeadlineBeg(hdl) => h.handle_headline_beg(w, hdl)?,
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HeadlineEnd => h.handle_headline_end(w)?,
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SectionBeg => h.handle_section_beg(w)?,
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SectionEnd => h.handle_section_end(w)?,
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ParagraphBeg => h.handle_paragraph_beg(w)?,
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ParagraphEnd => h.handle_paragraph_end(w)?,
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CtrBlockBeg => h.handle_ctr_block_beg(w)?,
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CtrBlockEnd => h.handle_ctr_block_end(w)?,
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QteBlockBeg => h.handle_qte_block_beg(w)?,
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QteBlockEnd => h.handle_qte_block_end(w)?,
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SplBlockBeg { name, args } => h.handle_spl_block_beg(w, name, args)?,
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SplBlockEnd => h.handle_spl_block_end(w)?,
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CommentBlock { cont, args } => h.handle_comment_block(w, cont, args)?,
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ExampleBlock { cont, args } => h.handle_example_block(w, cont, args)?,
|
||||
ExportBlock { cont, args } => h.handle_export_block(w, cont, args)?,
|
||||
SrcBlock { cont, args } => h.handle_src_block(w, cont, args)?,
|
||||
VerseBlock { cont, args } => h.handle_verse_block(w, cont, args)?,
|
||||
DynBlockBeg { name, args } => h.handle_dyn_block_beg(w, name, args)?,
|
||||
DynBlockEnd => h.handle_dyn_block_end(w)?,
|
||||
ListBeg { ordered } => h.handle_list_beg(w, ordered)?,
|
||||
ListEnd { ordered } => h.handle_list_end(w, ordered)?,
|
||||
ListItemBeg { bullet } => h.handle_list_beg_item(w, bullet)?,
|
||||
ListItemEnd => h.handle_list_end_item(w)?,
|
||||
Call { value } => h.handle_call(w, value)?,
|
||||
Clock => h.handle_clock(w)?,
|
||||
Comment(c) => h.handle_comment(w, c)?,
|
||||
FixedWidth(f) => h.handle_fixed_width(w, f)?,
|
||||
TableStart => h.handle_table_start(w)?,
|
||||
TableEnd => h.handle_table_end(w)?,
|
||||
TableCell => h.handle_table_cell(w)?,
|
||||
LatexEnv => h.handle_latex_env(w)?,
|
||||
FnDef { label, cont } => h.handle_fn_def(w, label, cont)?,
|
||||
Keyword { key, value } => h.handle_keyword(w, key, value)?,
|
||||
Rule => h.handle_rule(w)?,
|
||||
Cookie(cookie) => h.handle_cookie(w, cookie)?,
|
||||
FnRef { label, def } => h.handle_fn_ref(w, label, def)?,
|
||||
InlineSrc { lang, option, body } => {
|
||||
h.handle_inline_src(w, lang, option, body)?
|
||||
}
|
||||
InlineCall {
|
||||
name,
|
||||
args,
|
||||
inside_header,
|
||||
end_header,
|
||||
} => h.handle_inline_call(w, name, args, inside_header, end_header)?,
|
||||
Link { path, desc } => h.handle_link(w, path, desc)?,
|
||||
Macros { name, args } => h.handle_macros(w, name, args)?,
|
||||
RadioTarget { target } => h.handle_radio_target(w, target)?,
|
||||
Snippet { name, value } => h.handle_snippet(w, name, value)?,
|
||||
Target { target } => h.handle_target(w, target)?,
|
||||
BoldBeg => h.handle_bold_beg(w)?,
|
||||
BoldEnd => h.handle_bold_end(w)?,
|
||||
ItalicBeg => h.handle_italic_beg(w)?,
|
||||
ItalicEnd => h.handle_italic_end(w)?,
|
||||
StrikeBeg => h.handle_strike_beg(w)?,
|
||||
StrikeEnd => h.handle_strike_end(w)?,
|
||||
UnderlineBeg => h.handle_underline_beg(w)?,
|
||||
UnderlineEnd => h.handle_underline_end(w)?,
|
||||
Verbatim(cont) => h.handle_verbatim(w, cont)?,
|
||||
Code(cont) => h.handle_code(w, cont)?,
|
||||
Text(cont) => h.handle_text(w, cont)?,
|
||||
}
|
||||
}
|
||||
|
||||
Ok(())
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
create_render!(
|
||||
HtmlHandler,
|
||||
DefaultHtmlHandller,
|
||||
HtmlRender,
|
||||
DefaultHtmlRender
|
||||
);
|
||||
|
|
79
src/lib.rs
79
src/lib.rs
|
@ -5,52 +5,89 @@
|
|||
//! ```rust
|
||||
//! use orgize::Parser;
|
||||
//!
|
||||
//! fn main() {
|
||||
//! let parser = Parser::new(
|
||||
//! r#"* Title 1
|
||||
//! let parser = Parser::new(
|
||||
//! r"* Title 1
|
||||
//! *Section 1*
|
||||
//! ** Title 2
|
||||
//! _Section 2_
|
||||
//! * Title 3
|
||||
//! /Section 3/
|
||||
//! * Title 4
|
||||
//! =Section 4="#,
|
||||
//! =Section 4=",
|
||||
//! );
|
||||
//!
|
||||
//! for event in parser {
|
||||
//! // handling the event
|
||||
//! }
|
||||
//! for event in parser {
|
||||
//! // handling the event
|
||||
//! }
|
||||
//! ```
|
||||
//!
|
||||
//! Alternatively, you can use the built-in render.
|
||||
//! Alternatively, you can use the built-in render directly:
|
||||
//!
|
||||
//! ```rust
|
||||
//! use orgize::export::{HtmlHandler, Render};
|
||||
//! use orgize::export::DefaultHtmlRender;
|
||||
//! use std::io::Cursor;
|
||||
//!
|
||||
//! fn main() {
|
||||
//! let contents = r#"* Title 1
|
||||
//! let contents = r"* Title 1
|
||||
//! *Section 1*
|
||||
//! ** Title 2
|
||||
//! _Section 2_
|
||||
//! * Title 3
|
||||
//! /Section 3/
|
||||
//! * Title 4
|
||||
//! =Section 4="#;
|
||||
//! =Section 4=";
|
||||
//!
|
||||
//! let cursor = Cursor::new(Vec::new());
|
||||
//! let mut render = Render::new(HtmlHandler, cursor, &contents);
|
||||
//! let cursor = Cursor::new(Vec::new());
|
||||
//! let mut render = DefaultHtmlRender::new(cursor, &contents);
|
||||
//!
|
||||
//! render
|
||||
//! .render()
|
||||
//! .expect("something went wrong rendering the file");
|
||||
//! render
|
||||
//! .render()
|
||||
//! .expect("something went wrong rendering the file");
|
||||
//!
|
||||
//! println!(
|
||||
//! "{}",
|
||||
//! String::from_utf8(render.into_wirter().into_inner()).expect("invalid utf-8")
|
||||
//! );
|
||||
//! let result = String::from_utf8(render.into_wirter().into_inner()).expect("invalid utf-8");
|
||||
//! ```
|
||||
//!
|
||||
//! or `impl HtmlHandler` to create your own render. The following example
|
||||
//! add an anchor to every headline.
|
||||
//!
|
||||
//! ```rust
|
||||
//! use std::io::{Cursor, Result, Write};
|
||||
//!
|
||||
//! use orgize::export::*;
|
||||
//! use orgize::headline::Headline;
|
||||
//! use slugify::slugify;
|
||||
//!
|
||||
//! struct CustomHtmlHandler;
|
||||
//!
|
||||
//! impl<W: Write> HtmlHandler<W> for CustomHtmlHandler {
|
||||
//! fn handle_headline_beg(&mut self, w: &mut W, hdl: Headline) -> Result<()> {
|
||||
//! write!(
|
||||
//! w,
|
||||
//! r##"<h{0}><a class="anchor" href="#{1}">{2}</a></h{0}>"##,
|
||||
//! if hdl.level <= 6 { hdl.level } else { 6 },
|
||||
//! slugify!(hdl.title),
|
||||
//! hdl.title,
|
||||
//! )
|
||||
//! }
|
||||
//! }
|
||||
//!
|
||||
//! let contents = r"* Title 1
|
||||
//! *Section 1*
|
||||
//! ** Title 2
|
||||
//! _Section 2_
|
||||
//! * Title 3
|
||||
//! /Section 3/
|
||||
//! * Title 4
|
||||
//! =Section 4=";
|
||||
//!
|
||||
//! let cursor = Cursor::new(Vec::new());
|
||||
//!
|
||||
//! let mut render = HtmlRender::new(CustomHtmlHandler, cursor, &contents);
|
||||
//!
|
||||
//! render
|
||||
//! .render()
|
||||
//! .expect("something went wrong rendering the file");
|
||||
//!
|
||||
//! let result = String::from_utf8(render.into_wirter().into_inner()).expect("invalid utf-8");
|
||||
//! ```
|
||||
|
||||
#[macro_use]
|
||||
|
|
Loading…
Reference in a new issue