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87 lines
2.6 KiB
Rust
87 lines
2.6 KiB
Rust
use super::*;
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use lazy_static::lazy_static;
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use spawning::SpawningFileAdapter;
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use std::process::Command;
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// from https://github.com/jgm/pandoc/blob/master/src/Text/Pandoc/App/FormatHeuristics.hs
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// excluding formats that could cause problems (.db ?= sqlite) or that are already text formats (e.g. xml-based)
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//"db" -> Just "docbook"
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//"adoc" -> Just "asciidoc"
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//"asciidoc" -> Just "asciidoc"
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//"context" -> Just "context"
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//"ctx" -> Just "context"
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//"dokuwiki" -> Just "dokuwiki"
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//"htm" -> Just "html"
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//"html" -> Just "html"
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//"json" -> Just "json"
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//"latex" -> Just "latex"
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//"lhs" -> Just "markdown+lhs"
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//"ltx" -> Just "latex"
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//"markdown" -> Just "markdown"
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//"md" -> Just "markdown"
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//"ms" -> Just "ms"
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//"muse" -> Just "muse"
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//"native" -> Just "native"
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//"opml" -> Just "opml"
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//"org" -> Just "org"
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//"roff" -> Just "ms"
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//"rst" -> Just "rst"
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//"s5" -> Just "s5"
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//"t2t" -> Just "t2t"
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//"tei" -> Just "tei"
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//"tei.xml" -> Just "tei"
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//"tex" -> Just "latex"
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//"texi" -> Just "texinfo"
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//"texinfo" -> Just "texinfo"
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//"textile" -> Just "textile"
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//"text" -> Just "markdown"
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//"txt" -> Just "markdown"
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//"xhtml" -> Just "html"
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//"wiki" -> Just "mediawiki"
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static EXTENSIONS: &[&str] = &["epub", "odt", "docx", "fb2", "ipynb"];
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lazy_static! {
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static ref METADATA: AdapterMeta = AdapterMeta {
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name: "pandoc".to_owned(),
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version: 3,
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description:
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"Uses pandoc to convert binary/unreadable text documents to plain markdown-like text"
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.to_owned(),
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recurses: false,
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fast_matchers: EXTENSIONS
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.iter()
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.map(|s| FastMatcher::FileExtension(s.to_string()))
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.collect(),
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slow_matchers: None
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};
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}
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#[derive(Default)]
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pub struct PandocAdapter;
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impl PandocAdapter {
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pub fn new() -> PandocAdapter {
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PandocAdapter
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}
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}
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impl GetMetadata for PandocAdapter {
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fn metadata(&self) -> &AdapterMeta {
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&METADATA
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}
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}
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impl SpawningFileAdapter for PandocAdapter {
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fn get_exe(&self) -> &str {
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"pandoc"
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}
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fn command(&self, filepath_hint: &Path, mut cmd: Command) -> Command {
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cmd.arg("--from")
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.arg(filepath_hint.extension().unwrap())
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// simpler markown (with more information loss but plainer text)
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//.arg("--to=commonmark-header_attributes-link_attributes-fenced_divs-markdown_in_html_blocks-raw_html-native_divs-native_spans-bracketed_spans")
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.arg("--to=plain")
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.arg("--wrap=none")
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.arg("--atx-headers");
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cmd
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}
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}
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