Render content with pandoc

src/build/mod.rs

@@ -4,6 +4,6 @@ use config::Config;
 
 
 pub fn build_input(config: Config, input: String) -> Result<String, String> {
-    pandoc::render(config, input);
-    return Ok("".into());
+    let html = try!(pandoc::render(config, input));
+    return Ok(html);
 }

src/build/pandoc.rs

@@ -1,11 +1,31 @@
 use config::Config;
-use pandoc::Pandoc;
+use pandoc::{Pandoc, OutputFormat, InputFormat, InputKind, OutputKind, PandocOutput, PandocError,
+             PandocOption};
+use std::env::{current_dir, current_exe};
+use std::path::PathBuf;
+use std::error::Error;
 
-fn build_pandoc(config: Config) -> Pandoc {
-    return Pandoc::new();
+fn execute_pandoc(config: Config, input: String) -> Result<PandocOutput, PandocError> {
+    let mut pandoc = Pandoc::new();
+    pandoc.add_pandoc_path_hint(&current_dir().unwrap().join("lib"));
+    pandoc.add_pandoc_path_hint(&current_exe().unwrap().parent().unwrap().join("lib"));
+    pandoc.set_output_format(OutputFormat::Html5, vec![]);
+    pandoc.set_input_format(InputFormat::Markdown, vec![]);
+    pandoc.set_input(InputKind::Pipe(input));
+    pandoc.set_output(OutputKind::Pipe);
+    pandoc.add_option(PandocOption::Smart);
+    pandoc.add_option(PandocOption::Standalone);
+    return pandoc.execute();
 }
 
 
-pub fn render(config: Config, input: String) {
-    let renderer = build_pandoc(config);
+pub fn render(config: Config, input: String) -> Result<String, String> {
+    let output = execute_pandoc(config, input);
+    if output.is_err() {
+        return Err(output.err().unwrap().description().into());
+    }
+    return match output.unwrap() {
+        PandocOutput::ToBuffer(out) => Ok(out),
+        _ => Err("Incorrect output type.".into()),
+    };
 }

src/process.rs

@@ -5,7 +5,7 @@ use build::build_input;
 
 pub fn build(config: Config) -> Result<(), String> {
     let input = try!(read_input_files(config.input.clone()));
-    println!("{}", input);
-    build_input(config.clone(), input);
+    let raw_html = try!(build_input(config.clone(), input));
+    println!("{}", raw_html);
     return Ok(());
 }