2 files changed, 29 insertions, 14 deletions

diff --git a/src/build.rs b/src/build.rs
index 1c12476..cf34e2f 100644
--- a/src/build.rs
+++ b/src/build.rs
@@ -14,12 +14,22 @@ const HTML_TEMPLATE: &str = include_str!("../res/template.html");
 
 pub fn do_build(config: &crate::config::Config) -> Result<()> {
     let tmpdir = tempfile::tempdir().wrap_err("Could not create temporary directory")?;
-    debug!("Created temporary directory at: '{}'", tmpdir.path().display());
+    debug!(
+        "Created temporary directory at: '{}'",
+        tmpdir.path().display()
+    );
+
     let template_path = tmpdir.path().join("template.html");
     trace!("Writing HTML template to: '{}'", template_path.display());
     std::fs::write(&template_path, HTML_TEMPLATE)
         .wrap_err("Could not save HTML template in temporary directory")?;
 
+    let defaults_path = tmpdir.path().join("defaults.yaml");
+    debug!("Generating file: '{}'", defaults_path.display());
+    let defaults =
+        std::fs::File::create(&defaults_path).wrap_err("Could not create defaults.yaml")?;
+    serde_json::to_writer(defaults, &config.pandoc).wrap_err("Could not create defaults.yaml")?;
+
     let source_root = Path::new(&config.book.summary)
         .parent()
         .expect("Summary has no parent");
@@ -99,6 +109,7 @@ pub fn do_build(config: &crate::config::Config) -> Result<()> {
             .set_output_format(pandoc::OutputFormat::Html5, vec![])
             .add_options(&[
                 pandoc::PandocOption::Css(style_path.to_string()),
+                pandoc::PandocOption::Defaults(defaults_path.clone()),
                 pandoc::PandocOption::SectionDivs,
                 pandoc::PandocOption::Standalone,
                 pandoc::PandocOption::Template(template_path.clone()),
diff --git a/src/config.rs b/src/config.rs
index 53922b0..9b95f9a 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -1,3 +1,5 @@
+use std::collections::HashMap;
+
 use log::debug;
 use serde::{Deserialize, Serialize};
 
@@ -7,6 +9,21 @@ pub struct Config {
     pub book: BookConfig,
     #[serde(default)]
     pub build: BuildConfig,
+    #[serde(default)]
+    pub pandoc: HashMap<String, serde_json::Value>,
+}
+
+impl Config {
+    pub fn new(config_file: &str) -> Result<Self, config::ConfigError> {
+        let mut s = config::Config::default();
+
+        debug!("Parsing config file: {}", config_file);
+        s.merge(config::File::with_name(config_file))?;
+        debug!("Parsing config from environment");
+        s.merge(config::Environment::with_prefix("PANDOC_DOCBOOK").separator("_"))?;
+
+        s.try_into()
+    }
 }
 
 #[derive(Debug, Clone, Deserialize, Serialize)]
@@ -44,16 +61,3 @@ impl Default for BuildConfig {
 fn default_build_dir() -> String {
     "pdbook".to_string()
 }
-
-impl Config {
-    pub fn new(config_file: &str) -> Result<Self, config::ConfigError> {
-        let mut s = config::Config::default();
-
-        debug!("Parsing config file: {}", config_file);
-        s.merge(config::File::with_name(config_file))?;
-        debug!("Parsing config from environment");
-        s.merge(config::Environment::with_prefix("PANDOC_DOCBOOK").separator("_"))?;
-
-        s.try_into()
-    }
-}