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|
use std::collections::HashMap;
use deepcrow::*;
/*
#[test]
fn lexing() {
let data = r#"Leading comment: [|view "basic" something="yeup"|>Hello there <|view|] Trailing text"#;
let ll = Lexer::new( &data );
for sym in ll {
if let SymbolType::Error{what} = sym.symbol() {
println!("Error {}:{}: {:?}", sym.start().line, sym.start().column, what );
break;
} else {
println!("Symbol: {:?}", sym );
}
}
}
*/
#[test]
fn parsing() {
let mut ct = DeepCrow::new();
if let Err(e) = ct.load_static(r#"Here is a sample
[|view "index" theme="standard"|><html><body>Hi</body></html><|view|]
That was fun! now a placeholder: [|view "placeholder"|] and now one with an implicit [|view "simple"|>Body -> [|show content|] <- and end<|view|] aoeu
[|view "person" layout="simple"|>Welcome [|show person.last_name|], [|show person.first_name|]! It's lovely to see you again.<|view|]
Now with explicit outputs:
[|view "complex"|>
[|output "content"|>
Here's a [|show name|].
<|output|]
[|output "sidebar"|>
What's up world?
<|output|]
[|output "footer"|>
Same, I guess!
<|output|]
<|view|]"#) {
println!("Error: {:?}", e );
} else {
println!("It finished");
if let Ok(v) = ct.render(
"person",
&Context::from([
("hi".to_string(),Value::String("hi".to_string())),
("person".to_string(),Value::Dictionary(HashMap::from([
("first_name".to_string(), Value::String("Bob".to_string())),
("last_name".to_string(), Value::String("Smith".to_string())),
]))),
])
) {
println!("View result: {:?}", v );
} else {
println!("Error?");
}
}
}
#[test]
fn loops() -> Result<()> {
let mut ct = DeepCrow::new();
ct.load_static(r#"Looping code:
[|view "index"|>We will enumerate people here:[|loop people|>
- [|show last_name|], [|show first_name|][|if show_title |>: [|show title|] <|else|> **title redacted** <|if|] ::>[|loop tags|> [|show tag|]<|loop|] <:: <|loop|]
<|view|]
"#)?;
let ctx = Context::from([
("people".to_string(), vec![
[
("first_name".into(), "Joe".into()),
("last_name".into(), "Smith".into()),
("show_title".into(), true.into()),
("title".into(), "CEO".into()),
("tags".into(), vec![
Context::from([("tag".into(), "jerk".into()),]).into(),
Context::from([("tag".into(), "ugly".into()),]).into(),
].into()),
].into(),
[
("first_name".into(), "Chris".into()),
("last_name".into(), "Perkens".into()),
("show_title".into(), false.into()),
("title".into(), "Baconeer".into()),
("tags".into(), vec![
Context::from([("tag".into(), "jerk".into()),]).into(),
Context::from([("tag".into(), "ugly".into()),]).into(),
].into()),
].into(),
[
("first_name".into(), "Will".into()),
("last_name".into(), "Power".into()),
("show_title".into(), false.into()),
("title".into(), "CFO".into()),
("tags".into(), vec![
Context::from([("tag".into(), "jerk".into()),]).into(),
Context::from([("tag".into(), "ugly".into()),]).into(),
].into()),
].into(),
[
("first_name".into(), "Justin".into()),
("last_name".into(), "Time".into()),
("show_title".into(), true.into()),
("title".into(), "CIO".into()),
("tags".into(), vec![
Context::from([("tag".into(), "jerk".into()),]).into(),
Context::from([("tag".into(), "ugly".into()),]).into(),
].into()),
].into(),
].into()),
]);
println!("View result: {}", ct.render("index", &ctx)? );
Ok(())
}
#[test]
fn conditional() -> Result<()> {
let mut ct = DeepCrow::new();
ct.load_static(r#"Hi there
[|view "index"|>
Color: [|if is_red|> red <|elif is_blue |> blue <|else|> green <|if|]
<|view|]"#)?;
let ctx = Context::from([
("is_red".into(), false.into()),
("is_blue".into(), false.into()),
("color".into(), "purple".into()),
]);
println!("View result: {}", ct.render("index", &ctx)? );
Ok(())
}
struct Item {
pub id: i32,
pub title: String,
pub body: String,
}
struct Person {
pub id: i32,
pub username: String,
pub name: String,
}
struct Page {
pub user: Person,
pub total_items: i32,
pub total_pages: i32,
pub cur_page: i32,
pub items: Vec<Item>,
}
impl Page {
fn new() -> Page {
Page {
user: Person {
id: 443,
username: "eichlan".into(),
name: "Mike".into(),
},
total_items: 4000,
total_pages: 400,
cur_page: 35,
items: vec![
Item{
id: 123,
title: "hi".into(),
body: "body".into(),
},
Item{
id: 124,
title: "bye".into(),
body: "wooo".into(),
},
Item{
id: 125,
title: "ciao".into(),
body: "whatever".into(),
}
],
}
}
}
impl<'a> MappedStructure<'a> for Page {
fn get_value(&'a self, id: &str) -> Option<MappedValue<'a>> {
match id {
"user" => Some(MappedValue::Struct(&self.user)),
"total_items" => Some(MappedValue::Int32(self.total_items)),
"total_pages" => Some(MappedValue::Int32(self.total_pages)),
"cur_page" => Some(MappedValue::Int32(self.cur_page)),
"items" => Some(MappedValue::<'a>::List(&self.items)),
_ => None,
}
}
}
impl<'a> MappedStructure<'a> for Person {
fn get_value(&'a self, id: &str) -> Option<MappedValue<'a>> {
match id {
"id" => Some(MappedValue::Int32(self.id)),
"username" => Some(MappedValue::String(&self.username)),
"name" => Some(MappedValue::String(&self.name)),
_ => None,
}
}
}
impl<'a> MappedStructure<'a> for Item {
fn get_value(&'a self, id: &str) -> Option<MappedValue<'a>> {
match id {
"id" => Some(MappedValue::Int32(self.id)),
"title" => Some(MappedValue::String(&self.title)),
"body" => Some(MappedValue::String(&self.body)),
_ => None,
}
}
}
#[test]
fn custom() -> Result<()> {
let page = Page::new();
println!("{:?}",
page.get_value(&"total_pages")
);
if let Some(MappedValue::List(l)) = page.get_value(&"items") {
l.for_each(&|x: &MappedValue, buf: &mut String| {
if let MappedValue::Struct(s) = x {
println!(" - {:?}", s.get_value(&"title"));
buf.push_str(&format!("{:?}",s.get_value(&"title")));
}
Ok(())
}).expect("loop");
}
Ok(())
}
|
