change structure

Author: 38

.gitignore

@@ -10,7 +10,7 @@ book/*
 **/*.rs.bk
 cargo.lock
 images/*
-
+src/*.rs
 
 #Added by cargo
 #

Cargo.toml

@@ -6,10 +6,10 @@ edition = "2018"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
-[dependencies]
+[build-dependencies]
 pulldown-cmark = "0.8.0"
 walkdir = "2.3.1"
 
-[dev-dependencies]
+[dependencies]
 plotters = "0.3.0"
 chrono = "0.4.15"

src/main.rs renamed to build.rs

@@ -1,18 +1,24 @@
 use pulldown_cmark::{Parser, Event, Tag, CodeBlockKind};
 use std::fs::File;
 use std::io::{Read, Write};
-use std::path::{Path, PathBuf, Component};
-fn extract_code<P:AsRef<Path>>(path:P) -> Result<(), Box<dyn std::error::Error>> {
-    let mut prefix = "examples/".to_string();
-    for name in path.as_ref().components().filter_map(|c| match c {
+use std::path::{Path, Component};
+fn make_prefix(path: &Path) -> String {
+    let mut prefix = String::new();
+    for name in path.components().filter_map(|c| match c {
         Component::Normal(name) => Some(name),
         _ => None,
     }).skip(1).filter_map(|name| name.to_str()) {
         let name = AsRef::<Path>::as_ref(name).file_stem().unwrap().to_str().unwrap();
         prefix.push_str(name);
         prefix.push_str("_");
     }
+    prefix
+}
+fn extract_code<P:AsRef<Path>>(path:P) -> Result<usize, Box<dyn std::error::Error>> {
+    let mut prefix = "src/".to_string();
 
+    prefix.push_str(&make_prefix(path.as_ref()));
+    
     let mut content = String::new();
     File::open(path)?.read_to_string(&mut content)?;
 
@@ -28,7 +34,7 @@ fn extract_code<P:AsRef<Path>>(path:P) -> Result<(), Box<dyn std::error::Error>>
             Event::Code(ref code) | Event::Text(ref code) if in_rust_code => {
                 let filename = format!("{}{}.rs", prefix, counter);
                 let mut code = code.clone().into_string();
-                code.push_str("\n#[test]\nfn etnry_point() { main(); } \n");
+                code.push_str("\npub fn entry_point() { main(); } \n");
                 File::create(&filename)?.write_all(code.as_bytes())?;
                 counter += 1;
                 in_rust_code = false;
@@ -37,16 +43,25 @@ fn extract_code<P:AsRef<Path>>(path:P) -> Result<(), Box<dyn std::error::Error>>
         }
     }
 
-    Ok(())
+    Ok(counter)
 }
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let mut main_file = File::create("src/lib.rs")?;
+
     for entry in walkdir::WalkDir::new("markdown").into_iter().filter_map(Result::ok).filter(|x| x.file_type().is_file()) {
+        println!("cargo:rerun-if-changed={:?}", entry.path());
         if let Some(ext) = entry.path().extension() {
             if ext == "md" {
-                extract_code(entry.path())?;
+                let prefix = make_prefix(entry.path());
+                for i in 1..extract_code(entry.path())? {
+                    main_file.write_all(format!("pub mod {}{};\n", prefix, i).as_bytes())?;
+                    main_file.write_all(format!("#[test]\n fn {}{}_entry_point(){{ {}{}::entry_point(); }}\n\n", prefix, i, prefix, i).as_bytes())?;
+                }
             }
         }
     }
+
+
     Ok(())
 }