Expose less granular API in askama crate

3 files changed, 24 insertions, 23 deletions

diff --git a/askama/src/lib.rs b/askama/src/lib.rs
index 2b59cf0..99917ed 100644
--- a/askama/src/lib.rs
+++ b/askama/src/lib.rs
@@ -11,8 +11,14 @@ pub trait Template {
     }
 }
 
-pub mod filters;
-pub mod generator;
-pub mod parser;
+mod generator;
+mod parser;
 mod path;
+
+pub mod filters;
 pub use path::rerun_if_templates_changed;
+pub fn build_template(path: &str, ast: &syn::DeriveInput) -> String {
+    let src = path::get_template_source(path);
+    let nodes = parser::parse(&src);
+    generator::generate(ast, path, nodes)
+}
diff --git a/askama/src/path.rs b/askama/src/path.rs
index c09b200..5f500e2 100644
--- a/askama/src/path.rs
+++ b/askama/src/path.rs
@@ -1,7 +1,18 @@
 use std::env;
-use std::fs::{self, DirEntry};
-use std::io;
-use std::path::Path;
+use std::fs::{self, DirEntry, File};
+use std::io::{self, Read};
+use std::path::{Path, PathBuf};
+
+pub fn get_template_source(tpl_file: &str) -> String {
+    let root = env::var("CARGO_MANIFEST_DIR").unwrap();
+    let mut path = PathBuf::from(root);
+    path.push("templates");
+    path.push(Path::new(tpl_file));
+    let mut f = File::open(path).unwrap();
+    let mut s = String::new();
+    f.read_to_string(&mut s).unwrap();
+    s
+}
 
 fn visit_dirs(dir: &Path, cb: &Fn(&DirEntry)) -> io::Result<()> {
     if dir.is_dir() {
diff --git a/askama_derive/src/lib.rs b/askama_derive/src/lib.rs
index ba5dec4..59d1ae1 100644
--- a/askama_derive/src/lib.rs
+++ b/askama_derive/src/lib.rs
@@ -3,9 +3,6 @@ extern crate proc_macro;
 extern crate syn;
 
 use proc_macro::TokenStream;
-use std::fs::File;
-use std::io::Read;
-use std::path::{Path, PathBuf};
 
 fn get_path_from_attrs(attrs: &Vec<syn::Attribute>) -> String {
     for attr in attrs {
@@ -35,17 +32,6 @@ fn get_path_from_attrs(attrs: &Vec<syn::Attribute>) -> String {
     panic!("template annotation not found");
 }
 
-fn get_template_source(tpl_file: &str) -> String {
-    let root = ::std::env::var("CARGO_MANIFEST_DIR").unwrap();
-    let mut path = PathBuf::from(root);
-    path.push("templates");
-    path.push(Path::new(tpl_file));
-    let mut f = File::open(path).unwrap();
-    let mut s = String::new();
-    f.read_to_string(&mut s).unwrap();
-    s
-}
-
 #[proc_macro_derive(Template, attributes(template))]
 pub fn derive_template(input: TokenStream) -> TokenStream {
     let source = input.to_string();
@@ -57,7 +43,5 @@ pub fn derive_template(input: TokenStream) -> TokenStream {
     };
 
     let path = get_path_from_attrs(&ast.attrs);
-    let src = get_template_source(&path);
-    let nodes = askama::parser::parse(&src);
-    askama::generator::generate(&ast, &path, nodes).parse().unwrap()
+    askama::build_template(&path, &ast).parse().unwrap()
 }