From 1bd5ab49f17699fd3ae08cd847221ce969e38337 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Sun, 22 Jan 2023 11:40:51 +0200
Subject: chore: unused code from ast.rs

Sponsored-by: author
---
 src/ast.rs | 106 +------------------------------------------------------------
 1 file changed, 1 insertion(+), 105 deletions(-)

diff --git a/src/ast.rs b/src/ast.rs
index b60df71..ed163f0 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -1,9 +1,7 @@
 use lazy_static::lazy_static;
-use log::trace;
-use pandoc_ast::{Map, MetaValue};
 use regex::Regex;
 use serde::Deserialize;
-use serde_yaml::{Mapping, Value};
+use serde_yaml::Value;
 use std::collections::{BTreeMap, HashMap};
 use std::path::{Path, PathBuf};
 
@@ -58,9 +56,7 @@ pub struct YamlMetadata {
 impl YamlMetadata {
     #[cfg(test)]
     fn new(yaml_text: &str) -> Result<Self, Error> {
-        trace!("Parsing YAML");
         let meta: Self = serde_yaml::from_str(yaml_text)?;
-        trace!("parsed metadata: {:#?}", meta);
         Ok(meta)
     }
 
@@ -122,106 +118,6 @@ impl YamlMetadata {
             None
         }
     }
-
-    /// Convert into a pandoc_ast::Map.
-    pub fn to_map(&self) -> Map<String, MetaValue> {
-        trace!("Creating metadata map from parsed YAML");
-        let mut map: Map<String, MetaValue> = Map::new();
-
-        map.insert("title".into(), meta_string(&self.title));
-
-        if let Some(v) = &self.subtitle {
-            map.insert("subtitle".into(), meta_string(v));
-        }
-
-        if let Some(authors) = &self.authors {
-            let authors: Vec<MetaValue> = authors
-                .iter()
-                .map(|s| MetaValue::MetaString(s.into()))
-                .collect();
-            map.insert("author".into(), MetaValue::MetaList(authors));
-        }
-
-        if let Some(v) = &self.date {
-            map.insert("date".into(), meta_string(v));
-        }
-
-        if let Some(v) = &self.classes {
-            map.insert("classes".into(), meta_strings(v));
-        }
-
-        if !self.impls.is_empty() {
-            let impls = self
-                .impls
-                .iter()
-                .map(|(k, v)| (k.to_owned(), Box::new(meta_path_bufs(v))))
-                .collect();
-            map.insert("impls".into(), MetaValue::MetaMap(impls));
-        }
-
-        if let Some(v) = &self.bibliography {
-            map.insert("bibliography".into(), meta_path_bufs(v));
-        }
-
-        if let Some(v) = &self.bindings {
-            map.insert("bindings".into(), meta_path_bufs(v));
-        }
-
-        if let Some(v) = &self.documentclass {
-            map.insert("documentclass".into(), meta_string(v));
-        }
-
-        if let Some(pandoc) = &self.pandoc {
-            for (key, value) in pandoc.iter() {
-                map.insert(key.to_string(), value_to_pandoc(value));
-            }
-        }
-
-        trace!("Created metadata map from parsed YAML");
-        map
-    }
-}
-
-fn mapping_to_pandoc(mapping: &Mapping) -> MetaValue {
-    let mut map = Map::new();
-    for (key, value) in mapping.iter() {
-        let key = if let MetaValue::MetaString(s) = value_to_pandoc(key) {
-            s
-        } else {
-            panic!("key not a string: {:?}", key);
-        };
-        map.insert(key, Box::new(value_to_pandoc(value)));
-    }
-
-    MetaValue::MetaMap(map)
-}
-
-fn value_to_pandoc(data: &Value) -> MetaValue {
-    match data {
-        Value::Null => unreachable!("null not OK"),
-        Value::Number(_) => unreachable!("number not OK"),
-        Value::Sequence(_) => unreachable!("sequence not OK"),
-
-        Value::Bool(b) => MetaValue::MetaBool(*b),
-        Value::String(s) => MetaValue::MetaString(s.clone()),
-        Value::Mapping(mapping) => mapping_to_pandoc(mapping),
-    }
-}
-
-fn meta_string(s: &str) -> MetaValue {
-    MetaValue::MetaString(s.to_string())
-}
-
-fn meta_strings(v: &[String]) -> MetaValue {
-    MetaValue::MetaList(v.iter().map(|s| meta_string(s)).collect())
-}
-
-fn meta_path_buf(p: &Path) -> MetaValue {
-    meta_string(&p.display().to_string())
-}
-
-fn meta_path_bufs(v: &[PathBuf]) -> MetaValue {
-    MetaValue::MetaList(v.iter().map(|p| meta_path_buf(p)).collect())
 }
 
 #[cfg(test)]
-- 
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