feat(export): update html render

This commit is contained in:
PoiScript 2019-06-27 01:53:50 +08:00
parent 33f78ee207
commit 0a876e2f2b
10 changed files with 213 additions and 358 deletions

View file

@ -1,15 +1,13 @@
#![allow(unused_variables)]
#![allow(unused_mut)]
use crate::{elements::*, headline::Headline, objects::*, Event, Parser};
use crate::elements::*;
use crate::iter::Container;
use jetscii::bytes;
use std::{
convert::From,
io::{Error, Write},
marker::PhantomData,
};
use std::io::{Error, Write};
pub trait HtmlHandler<W: Write, E: From<Error>> {
fn escape(&mut self, w: &mut W, text: &str) -> Result<(), E> {
pub trait HtmlHandler<E: From<Error>> {
fn escape<W: Write>(&mut self, mut w: W, text: &str) -> Result<(), E> {
let mut pos = 0;
let bytes = text.as_bytes();
while let Some(off) = bytes!(b'<', b'>', b'&', b'\'', b'"').find(&bytes[pos..]) {
@ -29,261 +27,138 @@ pub trait HtmlHandler<W: Write, E: From<Error>> {
Ok(w.write_all(&bytes[pos..])?)
}
fn event(&mut self, w: &mut W, event: Event) -> Result<(), E> {
handle_event!(event, self, w);
Ok(())
}
fn headline_beg(&mut self, w: &mut W, hdl: Headline) -> Result<(), E> {
let level = if hdl.level <= 6 { hdl.level } else { 6 };
write!(w, "<h{}>", level)?;
self.text(w, hdl.title)?;
write!(w, "</h{}>", level)?;
Ok(())
}
fn headline_end(&mut self, w: &mut W) -> Result<(), E> {
Ok(())
}
fn section_beg(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "<section>")?)
}
fn section_end(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "</section>")?)
}
fn drawer_beg(&mut self, w: &mut W, name: &str) -> Result<(), E> {
Ok(())
}
fn drawer_end(&mut self, w: &mut W) -> Result<(), E> {
Ok(())
}
fn paragraph_beg(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "<p>")?)
}
fn paragraph_end(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "</p>")?)
}
fn ctr_block_beg(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, r#"<div style="text-align: center">"#)?)
}
fn ctr_block_end(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "</div>")?)
}
fn qte_block_beg(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "<blockquote>")?)
}
fn qte_block_end(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "</blockquote>")?)
}
fn spl_block_beg(&mut self, w: &mut W, name: &str, args: Option<&str>) -> Result<(), E> {
Ok(write!(w, "<div>")?)
}
fn spl_block_end(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "</div>")?)
}
fn comment_block(&mut self, w: &mut W, cont: &str, args: Option<&str>) -> Result<(), E> {
Ok(())
}
fn example_block(&mut self, w: &mut W, cont: &str, args: Option<&str>) -> Result<(), E> {
write!(w, "<pre><code>")?;
self.escape(w, cont)?;
write!(w, "</pre></code>")?;
Ok(())
}
fn export_block(&mut self, w: &mut W, cont: &str, args: Option<&str>) -> Result<(), E> {
Ok(())
}
fn src_block(&mut self, w: &mut W, cont: &str, args: Option<&str>) -> Result<(), E> {
write!(w, "<pre><code>")?;
self.escape(w, cont)?;
write!(w, "</pre></code>")?;
Ok(())
}
fn verse_block(&mut self, w: &mut W, cont: &str, args: Option<&str>) -> Result<(), E> {
Ok(())
}
fn dyn_block_beg(&mut self, w: &mut W, name: &str, args: Option<&str>) -> Result<(), E> {
Ok(())
}
fn dyn_block_end(&mut self, w: &mut W) -> Result<(), E> {
Ok(())
}
fn list_beg(&mut self, w: &mut W, _indent: usize, ordered: bool) -> Result<(), E> {
if ordered {
Ok(write!(w, "<ol>")?)
} else {
Ok(write!(w, "<ul>")?)
}
}
fn list_end(&mut self, w: &mut W, _indent: usize, ordered: bool) -> Result<(), E> {
if ordered {
Ok(write!(w, "</ol>")?)
} else {
Ok(write!(w, "</ul>")?)
}
}
fn list_beg_item(&mut self, w: &mut W, bullet: &str) -> Result<(), E> {
Ok(write!(w, "<li>")?)
}
fn list_end_item(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "</li>")?)
}
fn call(&mut self, w: &mut W, value: &str) -> Result<(), E> {
Ok(())
}
fn clock(&mut self, w: &mut W, clock: Clock<'_>) -> Result<(), E> {
Ok(())
}
fn comment(&mut self, w: &mut W, cont: &str) -> Result<(), E> {
Ok(())
}
fn fixed_width(&mut self, w: &mut W, cont: &str) -> Result<(), E> {
for line in cont.lines() {
// remove leading colon
write!(w, "<pre>")?;
self.escape(w, &line[1..])?;
write!(w, "</pre>")?;
fn start<W: Write>(&mut self, mut w: W, container: Container) -> Result<(), E> {
match container {
Container::Block(block) => write!(w, "<div>")?,
Container::Bold => write!(w, "<b>")?,
Container::Document => write!(w, "<main>")?,
Container::DynBlock(_) => (),
Container::Headline(hdl) => {
let level = if hdl.level <= 6 { hdl.level } else { 6 };
write!(&mut w, "<h{}>", level)?;
self.text(&mut w, hdl.title)?;
write!(&mut w, "</h{}>", level)?;
}
Container::Italic => write!(w, "<i>")?,
Container::List(list) => {
if list.ordered {
write!(w, "<ol>")?;
} else {
write!(w, "<ul>")?;
}
}
Container::ListItem(_) => write!(w, "<li>")?,
Container::Paragraph => write!(w, "<p>")?,
Container::Section => write!(w, "<section>")?,
Container::Strike => write!(w, "<s>")?,
Container::Underline => write!(w, "<u>")?,
}
Ok(())
}
fn table_start(&mut self, w: &mut W) -> Result<(), E> {
fn end<W: Write>(&mut self, mut w: W, container: Container) -> Result<(), E> {
match container {
Container::Block(block) => write!(w, "</div>")?,
Container::Bold => write!(w, "</b>")?,
Container::Document => write!(w, "</main>")?,
Container::DynBlock(_) => (),
Container::Headline(_) => (),
Container::Italic => write!(w, "</i>")?,
Container::List(list) => {
if list.ordered {
write!(w, "</ol>")?;
} else {
write!(w, "</ul>")?;
}
}
Container::ListItem(_) => write!(w, "</li>")?,
Container::Paragraph => write!(w, "</p>")?,
Container::Section => write!(w, "</section>")?,
Container::Strike => write!(w, "</s>")?,
Container::Underline => write!(w, "</u>")?,
}
Ok(())
}
fn table_end(&mut self, w: &mut W) -> Result<(), E> {
fn keyword<W: Write>(&mut self, mut w: W, keyword: &Keyword<'_>) -> Result<(), E> {
Ok(())
}
fn table_cell(&mut self, w: &mut W) -> Result<(), E> {
fn drawer<W: Write>(&mut self, mut w: W, drawer: &Drawer<'_>) -> Result<(), E> {
Ok(())
}
fn latex_env(&mut self, w: &mut W) -> Result<(), E> {
Ok(())
}
fn fn_def(&mut self, w: &mut W, label: &str, cont: &str) -> Result<(), E> {
Ok(())
}
fn keyword(&mut self, w: &mut W, keyword: Keyword<'_>) -> Result<(), E> {
Ok(())
}
fn rule(&mut self, w: &mut W) -> Result<(), E> {
fn rule<W: Write>(&mut self, mut w: W) -> Result<(), E> {
Ok(write!(w, "<hr>")?)
}
fn cookie(&mut self, w: &mut W, cookie: Cookie) -> Result<(), E> {
fn cookie<W: Write>(&mut self, mut w: W, cookie: &Cookie) -> Result<(), E> {
Ok(())
}
fn fn_ref(&mut self, w: &mut W, fn_ref: FnRef<'_>) -> Result<(), E> {
fn fn_ref<W: Write>(&mut self, mut w: W, fn_ref: &FnRef<'_>) -> Result<(), E> {
Ok(())
}
fn inline_call(&mut self, w: &mut W, call: InlineCall<'_>) -> Result<(), E> {
fn babel_call<W: Write>(&mut self, mut w: W, call: &BabelCall<'_>) -> Result<(), E> {
Ok(())
}
fn inline_src(&mut self, w: &mut W, src: InlineSrc<'_>) -> Result<(), E> {
write!(w, "<code>")?;
self.text(w, src.body)?;
write!(w, "</code>")?;
fn inline_call<W: Write>(&mut self, mut w: W, call: &InlineCall<'_>) -> Result<(), E> {
Ok(())
}
fn link(&mut self, w: &mut W, link: Link<'_>) -> Result<(), E> {
write!(w, r#"<a href=""#)?;
self.text(w, link.path)?;
write!(w, r#"">"#)?;
self.text(w, link.desc.unwrap_or(link.path))?;
write!(w, "</a>")?;
fn inline_src<W: Write>(&mut self, mut w: W, src: &InlineSrc<'_>) -> Result<(), E> {
write!(&mut w, "<code>")?;
self.text(&mut w, src.body)?;
write!(&mut w, "</code>")?;
Ok(())
}
fn macros(&mut self, w: &mut W, macros: Macros<'_>) -> Result<(), E> {
fn link<W: Write>(&mut self, mut w: W, link: &Link<'_>) -> Result<(), E> {
write!(&mut w, r#"<a href=""#)?;
self.text(&mut w, link.path)?;
write!(&mut w, r#"">"#)?;
self.text(&mut w, link.desc.unwrap_or(link.path))?;
write!(&mut w, "</a>")?;
Ok(())
}
fn radio_target(&mut self, w: &mut W, target: &str) -> Result<(), E> {
fn macros<W: Write>(&mut self, mut w: W, macros: &Macros<'_>) -> Result<(), E> {
Ok(())
}
fn snippet(&mut self, w: &mut W, snippet: Snippet<'_>) -> Result<(), E> {
fn radio_target<W: Write>(&mut self, mut w: W, target: &RadioTarget<'_>) -> Result<(), E> {
Ok(())
}
fn snippet<W: Write>(&mut self, mut w: W, snippet: &Snippet<'_>) -> Result<(), E> {
if snippet.name.eq_ignore_ascii_case("HTML") {
Ok(write!(w, "{}", snippet.value)?)
} else {
Ok(())
}
}
fn target(&mut self, w: &mut W, target: &str) -> Result<(), E> {
fn target<W: Write>(&mut self, mut w: W, target: &Target<'_>) -> Result<(), E> {
Ok(())
}
fn timestamp(&mut self, w: &mut W, timestamp: Timestamp) -> Result<(), E> {
fn timestamp<W: Write>(&mut self, mut w: W, timestamp: &Timestamp) -> Result<(), E> {
Ok(())
}
fn bold_beg(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "<b>")?)
}
fn bold_end(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "</b>")?)
}
fn italic_beg(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "<i>")?)
}
fn italic_end(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "</i>")?)
}
fn strike_beg(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "<s>")?)
}
fn strike_end(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "</s>")?)
}
fn underline_beg(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "<u>")?)
}
fn underline_end(&mut self, w: &mut W) -> Result<(), E> {
Ok(write!(w, "</u>")?)
}
fn verbatim(&mut self, w: &mut W, cont: &str) -> Result<(), E> {
write!(w, "<code>")?;
self.text(w, cont)?;
write!(w, "</code>")?;
fn verbatim<W: Write>(&mut self, mut w: W, cont: &str) -> Result<(), E> {
write!(&mut w, "<code>")?;
self.text(&mut w, cont)?;
write!(&mut w, "</code>")?;
Ok(())
}
fn code(&mut self, w: &mut W, cont: &str) -> Result<(), E> {
write!(w, "<code>")?;
self.text(w, cont)?;
write!(w, "</code>")?;
fn code<W: Write>(&mut self, mut w: W, cont: &str) -> Result<(), E> {
write!(&mut w, "<code>")?;
self.text(&mut w, cont)?;
write!(&mut w, "</code>")?;
Ok(())
}
fn text(&mut self, w: &mut W, cont: &str) -> Result<(), E> {
fn text<W: Write>(&mut self, mut w: W, cont: &str) -> Result<(), E> {
self.escape(w, cont)?;
Ok(())
}
fn planning(&mut self, w: &mut W, planning: Planning) -> Result<(), E> {
fn planning<W: Write>(&mut self, mut w: W, planning: &Planning) -> Result<(), E> {
Ok(())
}
fn clock<W: Write>(&mut self, mut w: W, clock: &Clock<'_>) -> Result<(), E> {
Ok(())
}
fn fn_def<W: Write>(&mut self, mut w: W, fn_def: &FnDef<'_>) -> Result<(), E> {
Ok(())
}
}
pub struct DefaultHtmlHandler;
impl<W: Write> HtmlHandler<W, Error> for DefaultHtmlHandler {}
pub struct HtmlRender<'a, W: Write, E: From<Error>, H: HtmlHandler<W, E>> {
pub parser: Parser<'a>,
pub writer: &'a mut W,
handler: H,
error_type: PhantomData<E>,
}
impl<'a, W: Write> HtmlRender<'a, W, Error, DefaultHtmlHandler> {
pub fn default(writer: &'a mut W, text: &'a str) -> Self {
HtmlRender::new(DefaultHtmlHandler, writer, text)
}
}
impl<'a, W: Write, E: From<Error>, H: HtmlHandler<W, E>> HtmlRender<'a, W, E, H> {
pub fn new(handler: H, writer: &'a mut W, text: &'a str) -> Self {
HtmlRender {
parser: Parser::new(text),
handler,
writer,
error_type: PhantomData,
}
}
pub fn render(&mut self) -> Result<(), E> {
for event in &mut self.parser {
self.handler.event(self.writer, event)?;
}
Ok(())
}
}
impl HtmlHandler<Error> for DefaultHtmlHandler {}

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@ -1,71 +1,3 @@
#[macro_use]
macro_rules! handle_event {
($event:expr, $handler:expr, $writer:expr) => {
use crate::parser::Event::*;
match $event {
HeadlineBeg(hdl) => $handler.headline_beg($writer, hdl)?,
HeadlineEnd => $handler.headline_end($writer)?,
SectionBeg => $handler.section_beg($writer)?,
SectionEnd => $handler.section_end($writer)?,
ParagraphBeg => $handler.paragraph_beg($writer)?,
ParagraphEnd => $handler.paragraph_end($writer)?,
DrawerBeg(n) => $handler.drawer_beg($writer, n)?,
DrawerEnd => $handler.drawer_end($writer)?,
CtrBlockBeg => $handler.ctr_block_beg($writer)?,
CtrBlockEnd => $handler.ctr_block_end($writer)?,
QteBlockBeg => $handler.qte_block_beg($writer)?,
QteBlockEnd => $handler.qte_block_end($writer)?,
SplBlockBeg { name, args } => $handler.spl_block_beg($writer, name, args)?,
SplBlockEnd => $handler.spl_block_end($writer)?,
CommentBlock { cont, args } => $handler.comment_block($writer, cont, args)?,
ExampleBlock { cont, args } => $handler.example_block($writer, cont, args)?,
ExportBlock { cont, args } => $handler.export_block($writer, cont, args)?,
SrcBlock { cont, args } => $handler.src_block($writer, cont, args)?,
VerseBlock { cont, args } => $handler.verse_block($writer, cont, args)?,
DynBlockBeg { name, args } => $handler.dyn_block_beg($writer, name, args)?,
DynBlockEnd => $handler.dyn_block_end($writer)?,
ListBeg { indent, ordered } => $handler.list_beg($writer, indent, ordered)?,
ListEnd { indent, ordered } => $handler.list_end($writer, indent, ordered)?,
ListItemBeg { bullet } => $handler.list_beg_item($writer, bullet)?,
ListItemEnd => $handler.list_end_item($writer)?,
Call { value } => $handler.call($writer, value)?,
Planning(p) => $handler.planning($writer, p)?,
Clock(c) => $handler.clock($writer, c)?,
Timestamp(t) => $handler.timestamp($writer, t)?,
Comment(c) => $handler.comment($writer, c)?,
FixedWidth(f) => $handler.fixed_width($writer, f)?,
TableStart => $handler.table_start($writer)?,
TableEnd => $handler.table_end($writer)?,
TableCell => $handler.table_cell($writer)?,
LatexEnv => $handler.latex_env($writer)?,
FnDef { label, cont } => $handler.fn_def($writer, label, cont)?,
Keyword(keyword) => $handler.keyword($writer, keyword)?,
Rule => $handler.rule($writer)?,
Cookie(cookie) => $handler.cookie($writer, cookie)?,
FnRef(fn_ref) => $handler.fn_ref($writer, fn_ref)?,
InlineSrc(src) => $handler.inline_src($writer, src)?,
InlineCall(call) => $handler.inline_call($writer, call)?,
Link(link) => $handler.link($writer, link)?,
Macros(macros) => $handler.macros($writer, macros)?,
RadioTarget { target } => $handler.radio_target($writer, target)?,
Snippet(snippet) => $handler.snippet($writer, snippet)?,
Target { target } => $handler.target($writer, target)?,
BoldBeg => $handler.bold_beg($writer)?,
BoldEnd => $handler.bold_end($writer)?,
ItalicBeg => $handler.italic_beg($writer)?,
ItalicEnd => $handler.italic_end($writer)?,
StrikeBeg => $handler.strike_beg($writer)?,
StrikeEnd => $handler.strike_end($writer)?,
UnderlineBeg => $handler.underline_beg($writer)?,
UnderlineEnd => $handler.underline_end($writer)?,
Verbatim(cont) => $handler.verbatim($writer, cont)?,
Code(cont) => $handler.code($writer, cont)?,
Text(cont) => $handler.text($writer, cont)?,
}
};
}
mod html;
pub use html::*;