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md-pdf-rs/src/build/pandoc.rs

36 lines
1.3 KiB
Rust

use pandoc::{self, Pandoc, PandocOutput, PandocError};
use std::error::Error;
use utils::get_exe_dir;
use std::path::PathBuf;
use config::{Config, References};
fn execute_pandoc(input: String, references: Option<References>) -> Result<PandocOutput, PandocError> {
let mut renderer = Pandoc::new();
renderer.set_output_format(pandoc::OutputFormat::Html, vec![]);
renderer.set_input_format(pandoc::InputFormat::Markdown, vec![]);
renderer.set_input(pandoc::InputKind::Pipe(input));
renderer.set_output(pandoc::OutputKind::Pipe);
renderer.add_option(pandoc::PandocOption::Smart);
renderer.add_option(pandoc::PandocOption::Standalone);
renderer.add_pandoc_path_hint(&get_exe_dir());
if references.is_some() {
let References { csl, bibliography } = references.unwrap();
renderer.set_bibliography(&bibliography);
renderer.set_csl(&csl);
}
return renderer.execute();
}
pub fn render(config: Config, input: String) -> Result<String, String> {
let output = execute_pandoc(input, config.references);
if output.is_err() {
return Err(output.err().unwrap().description().into());
}
return match output.unwrap() {
pandoc::PandocOutput::ToBuffer(out) => Ok(out),
_ => Err("Incorrect output type.".into()),
};
}