forked from tforgione/md2pdf
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1e36c1afad
...
1867256af5
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@ -304,15 +304,6 @@ version = "0.4.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "fbdcdcb6d86f71c5e97409ad45898af11cbc995b4ee8112d59095a28d376c935"
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[[package]]
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name = "convert_case"
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version = "0.6.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ec182b0ca2f35d8fc196cf3404988fd8b8c739a4d270ff118a398feb0cbec1ca"
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dependencies = [
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"unicode-segmentation",
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]
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[[package]]
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name = "core-foundation"
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version = "0.9.3"
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@ -1187,7 +1178,6 @@ name = "md2pdf"
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version = "0.0.3"
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dependencies = [
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"clap 4.0.8",
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"convert_case",
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"lopdf",
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"pretty_assertions",
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"pulldown-cmark",
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@ -14,7 +14,6 @@ readme = "README.md"
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tectonic = "0.9"
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pulldown-cmark = "0.5.3"
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clap = { version = "4.0.7", features = ["cargo"] }
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convert_case = "0.6.0"
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[lib]
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name = "md2pdf"
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327
src/lib.rs
327
src/lib.rs
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@ -1,110 +1,66 @@
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use convert_case::{Case, Casing};
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use pulldown_cmark::{Event, Parser, Tag};
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pub const LATEX_HEADER: &str = r#"\documentclass[a4paper,10pt,twoside=no]{scrartcl}
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pub const LATEX_HEADER: &str = r#"\documentclass{scrartcl}
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\usepackage{graphicx}
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\usepackage{hyperref}
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\usepackage[utf8]{inputenc}
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\usepackage[T1]{fontenc}
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\usepackage{lmodern}
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\usepackage{authblk}
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\title{phpMyAdmin report}
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\author{William Desportes\thanks{williamdes@wdes.fr}}
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\hypersetup{
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hidelinks = true
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\usepackage{listings}
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\usepackage{xcolor}
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\definecolor{colKeys}{rgb}{0,0.5,0}
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\definecolor{colIdentifier}{rgb}{0,0,0}
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\definecolor{colComments}{rgb}{0,0.5,1}
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\definecolor{colString}{rgb}{0.6,0.1,0.1}
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\definecolor{colBackground}{rgb}{0.95,0.95,1}
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\lstset{%configuration de listings
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float=hbp,%
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basicstyle=\ttfamily\small,%
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%
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identifierstyle=\color{colIdentifier}, %
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keywordstyle=\color{colKeys}, %
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stringstyle=\color{colString}, %
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commentstyle=\color{colComments}\textit, %
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%
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backgroundcolor=\color{colBackground},%
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%
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columns=flexible, %
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tabsize=2, %
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frame=trbl, %
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%frameround=tttt,%
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extendedchars=true, %
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showspaces=false, %
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showstringspaces=false, %
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numbers=left, %
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numberstyle=\tiny, %
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breaklines=true, %
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breakautoindent=true, %
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captionpos=b,%
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xrightmargin=0.2cm, %
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xleftmargin=0.2cm
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}
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\makeatletter
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\AtBeginDocument{
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\hypersetup{
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pdftitle = {\@title},
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pdfauthor = {\@author}
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}
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}
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\makeatother
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\begin{document}
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"#;
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pub const LATEX_FOOTER: &str = "\n\\end{document}\n";
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/// Used to keep track of current pulldown_cmark "event".
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/// TODO: Is there a native pulldown_cmark method to do this?
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#[derive(Debug)]
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enum EventType {
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//Code,
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Emphasis,
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Header,
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//Html,
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Strong,
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Table,
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TableHead,
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Text,
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}
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struct CurrentType {
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event_type: EventType,
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}
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/**
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* Part of this function is Copyright Liam Beckman <liam@liambeckman.com> (license: MPL-2.0)
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* Source: https://github.com/lbeckman314/md2tex/blob/25fa878ccce122c224c24659ee1c1dd30c8a5d51/src/lib.rs
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*
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*/
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pub fn markdown_to_latex(markdown: String) -> String {
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let mut output = String::from(LATEX_HEADER);
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let parser = Parser::new(&markdown);
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let mut header_value = String::new();
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let mut current: CurrentType = CurrentType {
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event_type: EventType::Text,
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};
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let mut cells = 0;
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let mut equation_mode = false;
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let mut buffer = String::new();
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for event in parser {
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match event {
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Event::Start(Tag::Header(level)) => {
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current.event_type = EventType::Header;
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output.push_str("\n");
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output.push_str("\\");
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match level {
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-1 => output.push_str("part{"),
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0 => output.push_str("chapter{"),
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1 => output.push_str("section{"),
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2 => output.push_str("subsection{"),
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3 => output.push_str("subsubsection{"),
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4 => output.push_str("paragraph{"),
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5 => output.push_str("subparagraph{"),
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_ => eprintln!("header is out of range."),
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for _ in 1..level {
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output.push_str("sub");
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}
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output.push_str("section{");
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}
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Event::End(Tag::Header(_)) => {
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output.push_str("}\n");
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output.push_str("\\");
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output.push_str("label{");
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output.push_str(&header_value);
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output.push_str("}\n");
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Event::End(Tag::Header(_)) => output.push_str("}\n"),
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output.push_str("\\");
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output.push_str("label{");
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output.push_str(&header_value.to_case(Case::Kebab));
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output.push_str("}\n");
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}
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Event::Start(Tag::Emphasis) => {
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current.event_type = EventType::Emphasis;
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output.push_str("\\emph{");
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}
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Event::Start(Tag::Emphasis) => output.push_str("\\emph{"),
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Event::End(Tag::Emphasis) => output.push_str("}"),
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Event::Start(Tag::Strong) => {
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current.event_type = EventType::Strong;
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output.push_str("\\textbf{");
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}
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Event::Start(Tag::Strong) => output.push_str("\\textbf{"),
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Event::End(Tag::Strong) => output.push_str("}"),
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Event::Start(Tag::List(None)) => output.push_str("\\begin{itemize}\n"),
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@ -113,17 +69,6 @@ pub fn markdown_to_latex(markdown: String) -> String {
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Event::Start(Tag::List(Some(_))) => output.push_str("\\begin{enumerate}\n"),
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Event::End(Tag::List(Some(_))) => output.push_str("\\end{enumerate}\n"),
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Event::Start(Tag::Paragraph) => {
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output.push_str("\n");
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}
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Event::End(Tag::Paragraph) => {
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// ~ adds a space to prevent
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// "There's no line here to end" error on empty lines.
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output.push_str(r"~\\");
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output.push_str("\n");
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}
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Event::Start(Tag::Link(_, url, _)) => {
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output.push_str("\\href{");
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output.push_str(&*url);
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@ -134,95 +79,6 @@ pub fn markdown_to_latex(markdown: String) -> String {
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output.push_str("}");
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}
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Event::Start(Tag::Table(_)) => {
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current.event_type = EventType::Table;
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let table_start = vec![
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"\n",
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r"\begingroup",
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r"\setlength{\LTleft}{-20cm plus -1fill}",
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r"\setlength{\LTright}{\LTleft}",
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r"\begin{longtable}{!!!}",
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r"\hline",
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r"\hline",
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"\n",
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];
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for element in table_start {
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output.push_str(element);
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output.push_str("\n");
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}
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}
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Event::Start(Tag::TableHead) => {
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current.event_type = EventType::TableHead;
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}
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Event::End(Tag::TableHead) => {
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output.truncate(output.len() - 2);
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output.push_str(r"\\");
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output.push_str("\n");
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output.push_str(r"\hline");
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output.push_str("\n");
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// we presume that a table follows every table head.
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current.event_type = EventType::Table;
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}
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Event::End(Tag::Table(_)) => {
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let table_end = vec![
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r"\arrayrulecolor{black}\hline",
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r"\end{longtable}",
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r"\endgroup",
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"\n",
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];
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for element in table_end {
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output.push_str(element);
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output.push_str("\n");
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}
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let mut cols = String::new();
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for _i in 0..cells {
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cols.push_str(&format!(
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r"C{{{width}\textwidth}} ",
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width = 1. / cells as f64
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));
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}
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output = output.replace("!!!", &cols);
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cells = 0;
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current.event_type = EventType::Text;
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}
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Event::Start(Tag::TableCell) => match current.event_type {
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EventType::TableHead => {
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output.push_str(r"\bfseries{");
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}
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_ => (),
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},
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Event::End(Tag::TableCell) => {
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match current.event_type {
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EventType::TableHead => {
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output.push_str(r"}");
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cells += 1;
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}
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_ => (),
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}
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output.push_str(" & ");
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}
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Event::Start(Tag::TableRow) => {
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current.event_type = EventType::Table;
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}
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Event::End(Tag::TableRow) => {
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output.truncate(output.len() - 2);
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output.push_str(r"\\");
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output.push_str(r"\arrayrulecolor{lightgray}\hline");
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output.push_str("\n");
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}
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Event::Start(Tag::Image(_, path, title)) => {
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output.push_str("\\begin{figure}\n");
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output.push_str("\\centering\n");
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@ -249,89 +105,16 @@ pub fn markdown_to_latex(markdown: String) -> String {
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Event::End(Tag::CodeBlock(_)) => {
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output.push_str("\n\\end{lstlisting}\n");
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current.event_type = EventType::Text;
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}
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Event::Code(t) => {
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output.push_str("\\lstinline|");
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match current.event_type {
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EventType::Header => output
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.push_str(&*t.replace("#", r"\#").replace("…", "...").replace("З", "3")),
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_ => output
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.push_str(&*t.replace("…", "...").replace("З", "3").replace("<EFBFBD>", r"\<5C>")),
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}
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output.push_str("|");
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}
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Event::Text(t) => {
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// if "\(" or "\[" are encountered, then begin equation
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// and don't replace any characters.
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let delim_start = vec![r"\(", r"\["];
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let delim_end = vec![r"\)", r"\]"];
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if buffer.len() > 100 {
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buffer.clear();
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}
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buffer.push_str(&t.clone().into_string());
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match current.event_type {
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EventType::Strong
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| EventType::Emphasis
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| EventType::Text
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| EventType::Header
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| EventType::Table => {
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// TODO more elegant way to do ordered `replace`s (structs?).
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if delim_start
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.into_iter()
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.any(|element| buffer.contains(element))
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{
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let popped = output.pop().unwrap();
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if popped != '\\' {
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output.push(popped);
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}
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output.push_str(&*t);
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equation_mode = true;
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} else if delim_end
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.into_iter()
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.any(|element| buffer.contains(element))
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|| equation_mode == true
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{
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let popped = output.pop().unwrap();
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if popped != '\\' {
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output.push(popped);
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}
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output.push_str(&*t);
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equation_mode = false;
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} else {
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output.push_str(
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&*t.replace(r"\", r"\\")
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.replace("&", r"\&")
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.replace(r"\s", r"\textbackslash{}s")
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.replace(r"\w", r"\textbackslash{}w")
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.replace("_", r"\_")
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.replace(r"\<", "<")
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.replace(r"%", r"\%")
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.replace(r"$", r"\$")
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.replace(r"—", "---")
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.replace("#", r"\#"),
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);
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}
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header_value = t.into_string();
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}
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_ => output.push_str(&*t),
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}
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output.push_str(&*t);
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}
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Event::SoftBreak => {
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output.push('\n');
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}
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Event::HardBreak => {
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output.push_str(r"\\");
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output.push('\n');
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}
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_ => (),
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}
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}
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@ -359,12 +142,6 @@ Text
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[link](https://example.com)
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**Bold**
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__Italic__
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some code:
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```sh
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sudo make-it-work
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```
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issue [#12345](https://example.com)
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"#;
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const LATEXT_OUT: &str = r#"\documentclass{scrartcl}
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\usepackage{graphicx}
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@ -403,30 +180,12 @@ issue [#12345](https://example.com)
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xleftmargin=0.2cm
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}
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\begin{document}
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\section{First title}
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\label{First title}
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\label{first-title}
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Some content~\\
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\subsection{Second level}
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\label{Second level}
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\label{second-level}
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Some content\subsection{Second level}
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Text
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\href{https://example.com}{link}
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\textbf{Bold}
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\textbf{Italic}~\\
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some code:~\\
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\begin{lstlisting}[language=sh]
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sudo make-it-work
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\end{lstlisting}
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issue \href{https://example.com}{\#12345}~\\
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\textbf{Italic}
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\end{document}
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"#;
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