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author | Dirkjan Ochtman <dirkjan@ochtman.nl> | 2017-01-03 10:01:16 +0100 |
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committer | Dirkjan Ochtman <dirkjan@ochtman.nl> | 2017-01-03 10:01:16 +0100 |
commit | 4c8c773c84a48963e892c72f38f37bcb99b6eb74 (patch) | |
tree | 7ea8dd95e81bd40c1b24bb9143cbe865005b1ae0 /askama_codegen/src/generator.rs | |
parent | 3e7983d7af8d19393507e50778b818f8dcf24b91 (diff) | |
download | askama-4c8c773c84a48963e892c72f38f37bcb99b6eb74.tar.gz askama-4c8c773c84a48963e892c72f38f37bcb99b6eb74.tar.bz2 askama-4c8c773c84a48963e892c72f38f37bcb99b6eb74.zip |
Rename askama_codegen to askama_derive
This appears to be best practice for crates using macros 1.1.
Diffstat (limited to 'askama_codegen/src/generator.rs')
-rw-r--r-- | askama_codegen/src/generator.rs | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/askama_codegen/src/generator.rs b/askama_codegen/src/generator.rs deleted file mode 100644 index b1babce..0000000 --- a/askama_codegen/src/generator.rs +++ /dev/null @@ -1,101 +0,0 @@ -use parser::{Expr, Node}; -use std::str; - -struct Generator { - buf: String, - indent: u8, - start: bool, -} - -impl Generator { - - fn new() -> Generator { - Generator { buf: String::new(), indent: 0, start: true } - } - - fn init(&mut self, name: &str) { - self.write("impl askama::Template for "); - self.write(name); - self.writeln(" {"); - self.indent(); - self.writeln("fn render(&self) -> String {"); - self.indent(); - self.writeln("let mut buf = String::new();"); - } - - fn indent(&mut self) { - self.indent += 1; - } - - fn dedent(&mut self) { - self.indent -= 1; - } - - fn write(&mut self, s: &str) { - if self.start { - for _ in 0..(self.indent * 4) { - self.buf.push(' '); - } - self.start = false; - } - self.buf.push_str(s); - } - - fn writeln(&mut self, s: &str) { - if s.is_empty() { - return; - } - self.write(s); - self.buf.push('\n'); - self.start = true; - } - - fn visit_lit(&mut self, s: &[u8]) { - self.write("buf.push_str("); - self.write(&format!("{:#?}", str::from_utf8(s).unwrap())); - self.writeln(");"); - } - - fn visit_var(&mut self, s: &[u8]) { - let var_name = str::from_utf8(s).unwrap(); - let code = format!("std::fmt::Write::write_fmt(\ - &mut buf, format_args!(\"{{}}\", self.{})).unwrap();", var_name); - self.writeln(&code); - } - - fn visit_expr(&mut self, expr: &Expr) { - match expr { - &Expr::Var(s) => self.visit_var(s), - } - } - - fn handle(&mut self, tokens: &Vec<Node>) { - for n in tokens { - match n { - &Node::Lit(val) => { self.visit_lit(val); }, - &Node::Expr(ref val) => { self.visit_expr(&val); }, - } - } - } - - fn finalize(&mut self) { - self.writeln("buf"); - self.dedent(); - self.writeln("}"); - self.dedent(); - self.writeln("}"); - } - - fn result(self) -> String { - self.buf - } - -} - -pub fn generate(ctx_name: &str, tokens: &Vec<Node>) -> String { - let mut gen = Generator::new(); - gen.init(ctx_name); - gen.handle(tokens); - gen.finalize(); - gen.result() -} |