refactor(export): HtmlRender & HtmlHandler
This commit is contained in:
PoiScript
parent
8ba9ade62d
commit
69de17ad9b
7 changed files with 246 additions and 237 deletions
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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)?,
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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 } => {
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h.handle_inline_src(w, lang, option, body)?
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}
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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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}
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}
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Ok(())
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}
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}
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};
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}
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create_render!(
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HtmlHandler,
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DefaultHtmlHandller,
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HtmlRender,
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DefaultHtmlRender
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);
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