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-rw-r--r--Cargo.lock6
-rw-r--r--README.md3
-rw-r--r--askama/Cargo.toml3
-rw-r--r--askama/src/lib.rs95
-rw-r--r--askama/src/path.rs49
-rw-r--r--askama_derive/Cargo.toml2
-rw-r--r--askama_derive/src/generator.rs (renamed from askama/src/generator.rs)0
-rw-r--r--askama_derive/src/lib.rs73
-rw-r--r--askama_derive/src/parser.rs (renamed from askama/src/parser.rs)0
-rw-r--r--askama_derive/src/path.rs19
-rw-r--r--testing/Cargo.toml1
-rw-r--r--testing/tests/filters.rs1
-rw-r--r--testing/tests/inheritance.rs3
-rw-r--r--testing/tests/operators.rs3
-rw-r--r--testing/tests/simple.rs1
15 files changed, 131 insertions, 128 deletions
diff --git a/Cargo.lock b/Cargo.lock
index 9505659..98d0dbe 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3,22 +3,20 @@ name = "askama_testing"
version = "0.1.0"
dependencies = [
"askama 0.2.1",
- "askama_derive 0.2.1",
]
[[package]]
name = "askama"
version = "0.2.1"
dependencies = [
- "nom 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.11.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "askama_derive 0.2.1",
]
[[package]]
name = "askama_derive"
version = "0.2.1"
dependencies = [
- "askama 0.2.1",
+ "nom 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
"syn 0.11.8 (registry+https://github.com/rust-lang/crates.io-index)",
]
diff --git a/README.md b/README.md
index fbc80eb..ffcd40d 100644
--- a/README.md
+++ b/README.md
@@ -79,8 +79,7 @@ In any Rust file inside your crate, add the following:
```rust
#[macro_use]
-extern crate askama_derive; // for the custom derive implementation
-extern crate askama; // for the Template trait
+extern crate askama; // for the Template trait and custom derive macro
use askama::Template; // bring trait in scope
diff --git a/askama/Cargo.toml b/askama/Cargo.toml
index d17aa4e..4ea7a09 100644
--- a/askama/Cargo.toml
+++ b/askama/Cargo.toml
@@ -16,5 +16,4 @@ readme = "../README.md"
travis-ci = { repository = "djc/askama" }
[dependencies]
-nom = "2.1"
-syn = "0.11"
+askama_derive = { path = "../askama_derive", version = "0.2.1" }
diff --git a/askama/src/lib.rs b/askama/src/lib.rs
index 8cfe79c..dff6a81 100644
--- a/askama/src/lib.rs
+++ b/askama/src/lib.rs
@@ -182,8 +182,12 @@
//! Expressions can be grouped using parentheses.
#[macro_use]
-extern crate nom;
-extern crate syn;
+extern crate askama_derive;
+
+use std::env;
+use std::fs::{self, DirEntry};
+use std::io;
+use std::path::{Path, PathBuf};
/// Main `Template` trait; implementations are generally derived
pub trait Template {
@@ -197,73 +201,42 @@ pub trait Template {
}
}
-mod generator;
-mod parser;
-mod path;
-
pub mod filters;
-pub use path::rerun_if_templates_changed;
+pub use askama_derive::*;
-// Holds metadata for the template, based on the `template()` attribute.
-struct TemplateMeta {
- path: String,
- print: String,
+// Duplicates askama_derive::path::template_dir()
+fn template_dir() -> PathBuf {
+ let mut path = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
+ path.push("templates");
+ path
}
-// Returns a `TemplateMeta` based on the `template()` attribute data found
-// in the parsed struct or enum. Will panic if it does not find the required
-// template path, or if the `print` key has an unexpected value.
-fn get_template_meta(ast: &syn::DeriveInput) -> TemplateMeta {
- let mut path = None;
- let mut print = "none".to_string();
- let attr = ast.attrs.iter().find(|a| a.name() == "template").unwrap();
- if let syn::MetaItem::List(_, ref inner) = attr.value {
- for nm_item in inner {
- if let syn::NestedMetaItem::MetaItem(ref item) = *nm_item {
- if let syn::MetaItem::NameValue(ref key, ref val) = *item {
- match key.as_ref() {
- "path" => if let syn::Lit::Str(ref s, _) = *val {
- path = Some(s.clone());
- } else {
- panic!("template path must be string literal");
- },
- "print" => if let syn::Lit::Str(ref s, _) = *val {
- print = s.clone();
- } else {
- panic!("print value must be string literal");
- },
- _ => { panic!("unsupported annotation key found") }
- }
- }
+fn visit_dirs(dir: &Path, cb: &Fn(&DirEntry)) -> io::Result<()> {
+ if dir.is_dir() {
+ for entry in try!(fs::read_dir(dir)) {
+ let entry = try!(entry);
+ let path = entry.path();
+ if path.is_dir() {
+ try!(visit_dirs(&path, cb));
+ } else {
+ cb(&entry);
}
}
}
- if path.is_none() {
- panic!("template path not found in struct attributes");
- }
- TemplateMeta { path: path.unwrap(), print: print }
+ Ok(())
}
-/// Takes a `syn::DeriveInput` and generates source code for it
+/// Build script helper to rebuild crates if contained templates have changed
///
-/// Reads the metadata from the `template()` attribute to get the template
-/// metadata, then fetches the source from the filesystem. The source is
-/// parsed, and the parse tree is fed to the code generator. Will print
-/// the parse tree and/or generated source according to the `print` key's
-/// value as passed to the `template()` attribute.
-pub fn build_template(ast: &syn::DeriveInput) -> String {
- let meta = get_template_meta(ast);
- let mut src = path::get_template_source(&meta.path);
- if src.ends_with('\n') {
- let _ = src.pop();
- }
- let nodes = parser::parse(&src);
- if meta.print == "ast" || meta.print == "all" {
- println!("{:?}", nodes);
- }
- let code = generator::generate(ast, &meta.path, nodes);
- if meta.print == "code" || meta.print == "all" {
- println!("{}", code);
- }
- code
+/// Iterates over all files in the template dir (`templates` in
+/// `CARGO_MANIFEST_DIR`) and writes a `cargo:rerun-if-changed=` line for each
+/// of them to stdout.
+///
+/// This helper method can be used in build scripts (`build.rs`) in crates
+/// that have templates, to make sure the crate gets rebuilt when template
+/// source code changes.
+pub fn rerun_if_templates_changed() {
+ visit_dirs(&template_dir(), &|e: &DirEntry| {
+ println!("cargo:rerun-if-changed={}", e.path().to_str().unwrap());
+ }).unwrap();
}
diff --git a/askama/src/path.rs b/askama/src/path.rs
deleted file mode 100644
index fb030e5..0000000
--- a/askama/src/path.rs
+++ /dev/null
@@ -1,49 +0,0 @@
-use std::env;
-use std::fs::{self, DirEntry, File};
-use std::io::{self, Read};
-use std::path::{Path, PathBuf};
-
-fn template_dir() -> PathBuf {
- let mut path = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
- path.push("templates");
- path
-}
-
-pub fn get_template_source(tpl_file: &str) -> String {
- let mut path = template_dir();
- 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() {
- for entry in try!(fs::read_dir(dir)) {
- let entry = try!(entry);
- let path = entry.path();
- if path.is_dir() {
- try!(visit_dirs(&path, cb));
- } else {
- cb(&entry);
- }
- }
- }
- Ok(())
-}
-
-/// Build script helper to rebuild crates if contained templates have changed
-///
-/// Iterates over all files in the template dir (`templates` in
-/// `CARGO_MANIFEST_DIR`) and writes a `cargo:rerun-if-changed=` line for each
-/// of them to stdout.
-///
-/// This helper method can be used in build scripts (`build.rs`) in crates
-/// that have templates, to make sure the crate gets rebuilt when template
-/// source code changes.
-pub fn rerun_if_templates_changed() {
- visit_dirs(&template_dir(), &|e: &DirEntry| {
- println!("cargo:rerun-if-changed={}", e.path().to_str().unwrap());
- }).unwrap();
-}
diff --git a/askama_derive/Cargo.toml b/askama_derive/Cargo.toml
index 5018beb..605c40f 100644
--- a/askama_derive/Cargo.toml
+++ b/askama_derive/Cargo.toml
@@ -12,5 +12,5 @@ workspace = ".."
proc-macro = true
[dependencies]
-askama = { path = "../askama", version = "0.2.1" }
+nom = "2.1"
syn = "0.11"
diff --git a/askama/src/generator.rs b/askama_derive/src/generator.rs
index 16209cd..16209cd 100644
--- a/askama/src/generator.rs
+++ b/askama_derive/src/generator.rs
diff --git a/askama_derive/src/lib.rs b/askama_derive/src/lib.rs
index 4b96e17..752978e 100644
--- a/askama_derive/src/lib.rs
+++ b/askama_derive/src/lib.rs
@@ -1,9 +1,78 @@
-extern crate askama;
+#[macro_use]
+extern crate nom;
extern crate proc_macro;
extern crate syn;
use proc_macro::TokenStream;
+mod generator;
+mod parser;
+mod path;
+
+// Holds metadata for the template, based on the `template()` attribute.
+struct TemplateMeta {
+ path: String,
+ print: String,
+}
+
+// Returns a `TemplateMeta` based on the `template()` attribute data found
+// in the parsed struct or enum. Will panic if it does not find the required
+// template path, or if the `print` key has an unexpected value.
+fn get_template_meta(ast: &syn::DeriveInput) -> TemplateMeta {
+ let mut path = None;
+ let mut print = "none".to_string();
+ let attr = ast.attrs.iter().find(|a| a.name() == "template").unwrap();
+ if let syn::MetaItem::List(_, ref inner) = attr.value {
+ for nm_item in inner {
+ if let syn::NestedMetaItem::MetaItem(ref item) = *nm_item {
+ if let syn::MetaItem::NameValue(ref key, ref val) = *item {
+ match key.as_ref() {
+ "path" => if let syn::Lit::Str(ref s, _) = *val {
+ path = Some(s.clone());
+ } else {
+ panic!("template path must be string literal");
+ },
+ "print" => if let syn::Lit::Str(ref s, _) = *val {
+ print = s.clone();
+ } else {
+ panic!("print value must be string literal");
+ },
+ _ => { panic!("unsupported annotation key found") }
+ }
+ }
+ }
+ }
+ }
+ if path.is_none() {
+ panic!("template path not found in struct attributes");
+ }
+ TemplateMeta { path: path.unwrap(), print: print }
+}
+
+/// Takes a `syn::DeriveInput` and generates source code for it
+///
+/// Reads the metadata from the `template()` attribute to get the template
+/// metadata, then fetches the source from the filesystem. The source is
+/// parsed, and the parse tree is fed to the code generator. Will print
+/// the parse tree and/or generated source according to the `print` key's
+/// value as passed to the `template()` attribute.
+fn build_template(ast: &syn::DeriveInput) -> String {
+ let meta = get_template_meta(ast);
+ let mut src = path::get_template_source(&meta.path);
+ if src.ends_with('\n') {
+ let _ = src.pop();
+ }
+ let nodes = parser::parse(&src);
+ if meta.print == "ast" || meta.print == "all" {
+ println!("{:?}", nodes);
+ }
+ let code = generator::generate(ast, &meta.path, nodes);
+ if meta.print == "code" || meta.print == "all" {
+ println!("{}", code);
+ }
+ code
+}
+
#[proc_macro_derive(Template, attributes(template))]
pub fn derive_template(input: TokenStream) -> TokenStream {
let ast = syn::parse_derive_input(&input.to_string()).unwrap();
@@ -11,5 +80,5 @@ pub fn derive_template(input: TokenStream) -> TokenStream {
syn::Body::Struct(ref data) => data,
_ => panic!("#[derive(Template)] can only be used with structs"),
};
- askama::build_template(&ast).parse().unwrap()
+ build_template(&ast).parse().unwrap()
}
diff --git a/askama/src/parser.rs b/askama_derive/src/parser.rs
index ce13add..ce13add 100644
--- a/askama/src/parser.rs
+++ b/askama_derive/src/parser.rs
diff --git a/askama_derive/src/path.rs b/askama_derive/src/path.rs
new file mode 100644
index 0000000..96ed8c1
--- /dev/null
+++ b/askama_derive/src/path.rs
@@ -0,0 +1,19 @@
+use std::env;
+use std::fs::File;
+use std::io::Read;
+use std::path::{Path, PathBuf};
+
+fn template_dir() -> PathBuf {
+ let mut path = PathBuf::from(env::var("CARGO_MANIFEST_DIR").unwrap());
+ path.push("templates");
+ path
+}
+
+pub fn get_template_source(tpl_file: &str) -> String {
+ let mut path = template_dir();
+ 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
+}
diff --git a/testing/Cargo.toml b/testing/Cargo.toml
index 8e7b1a7..bb6b534 100644
--- a/testing/Cargo.toml
+++ b/testing/Cargo.toml
@@ -7,7 +7,6 @@ build = "build.rs"
[dependencies]
askama = { path = "../askama", version = "*" }
-askama_derive = { path = "../askama_derive", version = "*" }
[build-dependencies]
askama = { path = "../askama", version = "*" }
diff --git a/testing/tests/filters.rs b/testing/tests/filters.rs
index 5882bae..0b1b7c9 100644
--- a/testing/tests/filters.rs
+++ b/testing/tests/filters.rs
@@ -1,5 +1,4 @@
#[macro_use]
-extern crate askama_derive;
extern crate askama;
use askama::Template;
diff --git a/testing/tests/inheritance.rs b/testing/tests/inheritance.rs
index b3add1c..459a5b2 100644
--- a/testing/tests/inheritance.rs
+++ b/testing/tests/inheritance.rs
@@ -1,6 +1,5 @@
-extern crate askama;
#[macro_use]
-extern crate askama_derive;
+extern crate askama;
use askama::Template;
diff --git a/testing/tests/operators.rs b/testing/tests/operators.rs
index 70d26b1..73b30b1 100644
--- a/testing/tests/operators.rs
+++ b/testing/tests/operators.rs
@@ -1,6 +1,5 @@
-extern crate askama;
#[macro_use]
-extern crate askama_derive;
+extern crate askama;
use askama::Template;
diff --git a/testing/tests/simple.rs b/testing/tests/simple.rs
index 60ecf05..a53257d 100644
--- a/testing/tests/simple.rs
+++ b/testing/tests/simple.rs
@@ -1,5 +1,4 @@
#[macro_use]
-extern crate askama_derive;
extern crate askama;
use askama::Template;
generated by cgit (git 2.34.1) at 2025-10-31 17:51:33 +0000