From 4f07dc2d7352a0b86b0e86c92e14a1501999056f Mon Sep 17 00:00:00 2001
From: Pierre Hubert <pierre.git@communiquons.org>
Date: Fri, 3 Feb 2023 14:48:28 +0100
Subject: [PATCH] Start to perform Tex export

---
 src/main.rs | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/src/main.rs b/src/main.rs
index b118590..356fb38 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -29,6 +29,9 @@ enum Action {
 
     /// Dump as Graphviz graph
     Graph,
+
+    /// Dump as Tex list
+    Tex,
 }
 
 fn main() {
@@ -47,6 +50,8 @@ fn main() {
     match args.action {
         Action::Json => println!("{}", serde_json::to_string(&tree).unwrap()),
         Action::Graph => println!("{}", graphviz_export(&tree)),
+
+        Action::Tex => println!("{}", tex_export(&tree)),
     }
 }
 
@@ -79,3 +84,49 @@ fn graphviz_export(tree: &TreeNode) -> String {
     out.push_str("}\n");
     out
 }
+
+fn tex_export_inner(tree: &TreeNode, out: &mut String, required: bool) {
+    let type_str = match &tree.r#type {
+        NodeType::Null => "NULL".to_string(),
+        NodeType::Boolean => "Boolean".to_string(),
+        NodeType::Array { item } => format!("{}[]", item.name),
+        NodeType::Object { .. } => "Objet".to_string(),
+        NodeType::String => "String".to_string(),
+        NodeType::Number => "Nombre".to_string(),
+        NodeType::Integer => "Integer".to_string(),
+    };
+
+    write!(out, "\\textbf{{{}}}", tree.name).unwrap();
+    if required {
+        out.push_str("\\textcolor{red}{*}");
+    }
+    out.push_str("\n\\newline");
+
+    write!(out, "\\textbf{{gray}}{{{type_str}}}").unwrap();
+}
+
+fn tex_export(tree: &TreeNode) -> String {
+    let mut out = String::new();
+    writeln!(out, "% START OF EXPORT OF STRUCTURE {}", tree.name).unwrap();
+
+    match &tree.r#type {
+        NodeType::Object { children, required } => {
+            for child in children {
+                tex_export_inner(
+                    child,
+                    &mut out,
+                    required
+                        .as_ref()
+                        .map(|r| r.contains(&child.name))
+                        .unwrap_or(false),
+                );
+
+                out.push_str("\n\n");
+            }
+        }
+        _ => tex_export_inner(tree, &mut out, false),
+    }
+
+    writeln!(out, "% END OF EXPORT OF STRUCTURE {}", tree.name).unwrap();
+    out
+}