Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

20 files changed, 767 insertions, 0 deletions

diff --git a/vendor/handlebars/examples/decorator.rs b/vendor/handlebars/examples/decorator.rs
new file mode 100644
index 000000000..81aa6fe8d
--- /dev/null
+++ b/vendor/handlebars/examples/decorator.rs
@@ -0,0 +1,195 @@
+extern crate env_logger;
+extern crate handlebars;
+#[macro_use]
+extern crate serde_derive;
+extern crate serde_json;
+use std::error::Error;
+
+use serde_json::value::{Map, Value as Json};
+
+use handlebars::{
+    to_json, Context, Decorator, Handlebars, Helper, JsonRender, Output, RenderContext, RenderError,
+};
+
+// default format helper
+fn format_helper(
+    h: &Helper,
+    _: &Handlebars,
+    _: &Context,
+    _: &mut RenderContext,
+    out: &mut dyn Output,
+) -> Result<(), RenderError> {
+    // get parameter from helper or throw an error
+    let param = h
+        .param(0)
+        .ok_or(RenderError::new("Param 0 is required for format helper."))?;
+    let rendered = format!("{} pts", param.value().render());
+    out.write(rendered.as_ref())?;
+    Ok(())
+}
+
+// a decorator registers helpers
+fn format_decorator(
+    d: &Decorator,
+    _: &Handlebars,
+    _: &Context,
+    rc: &mut RenderContext,
+) -> Result<(), RenderError> {
+    let suffix = d
+        .param(0)
+        .map(|v| v.value().render())
+        .unwrap_or("".to_owned());
+    rc.register_local_helper(
+        "format",
+        Box::new(
+            move |h: &Helper,
+                  _: &Handlebars,
+                  _: &Context,
+                  _: &mut RenderContext,
+                  out: &mut dyn Output| {
+                // get parameter from helper or throw an error
+                let param = h
+                    .param(0)
+                    .ok_or(RenderError::new("Param 0 is required for format helper."))?;
+                let rendered = format!("{} {}", param.value().render(), suffix);
+                out.write(rendered.as_ref())?;
+                Ok(())
+            },
+        ),
+    );
+    Ok(())
+}
+
+// a decorator mutates current context data
+fn set_decorator(
+    d: &Decorator,
+    _: &Handlebars,
+    ctx: &Context,
+    rc: &mut RenderContext,
+) -> Result<(), RenderError> {
+    // get the input of decorator
+    let data_to_set = d.hash();
+    // retrieve the json value in current context
+    let ctx_data = ctx.data();
+
+    if let Json::Object(m) = ctx_data {
+        let mut new_ctx_data = m.clone();
+
+        for (k, v) in data_to_set {
+            new_ctx_data.insert(k.to_string(), v.value().clone());
+        }
+
+        rc.set_context(Context::wraps(new_ctx_data)?);
+        Ok(())
+    } else {
+        Err(RenderError::new("Cannot extend non-object data"))
+    }
+}
+
+// another custom helper
+fn rank_helper(
+    h: &Helper,
+    _: &Handlebars,
+    _: &Context,
+    _: &mut RenderContext,
+    out: &mut dyn Output,
+) -> Result<(), RenderError> {
+    let rank = h
+        .param(0)
+        .and_then(|v| v.value().as_u64())
+        .ok_or(RenderError::new(
+            "Param 0 with u64 type is required for rank helper.",
+        ))? as usize;
+    let total = h
+        .param(1)
+        .as_ref()
+        .and_then(|v| v.value().as_array())
+        .map(|arr| arr.len())
+        .ok_or(RenderError::new(
+            "Param 1 with array type is required for rank helper",
+        ))?;
+    if rank == 0 {
+        out.write("champion")?;
+    } else if rank >= total - 2 {
+        out.write("relegation")?;
+    } else if rank <= 2 {
+        out.write("acl")?;
+    }
+    Ok(())
+}
+
+static TYPES: &'static str = "serde_json";
+
+// define some data
+#[derive(Serialize)]
+pub struct Team {
+    name: String,
+    pts: u16,
+}
+
+// produce some data
+pub fn make_data() -> Map<String, Json> {
+    let mut data = Map::new();
+
+    data.insert("year".to_string(), to_json("2015"));
+
+    let teams = vec![
+        Team {
+            name: "Jiangsu Suning".to_string(),
+            pts: 43u16,
+        },
+        Team {
+            name: "Shanghai SIPG".to_string(),
+            pts: 39u16,
+        },
+        Team {
+            name: "Hebei CFFC".to_string(),
+            pts: 27u16,
+        },
+        Team {
+            name: "Guangzhou Evergrand".to_string(),
+            pts: 22u16,
+        },
+        Team {
+            name: "Shandong Luneng".to_string(),
+            pts: 12u16,
+        },
+        Team {
+            name: "Beijing Guoan".to_string(),
+            pts: 7u16,
+        },
+        Team {
+            name: "Hangzhou Greentown".to_string(),
+            pts: 7u16,
+        },
+        Team {
+            name: "Shanghai Shenhua".to_string(),
+            pts: 4u16,
+        },
+    ];
+
+    data.insert("teams".to_string(), to_json(&teams));
+    data.insert("engine".to_string(), to_json(TYPES));
+    data
+}
+
+fn main() -> Result<(), Box<dyn Error>> {
+    env_logger::init();
+    // create the handlebars registry
+    let mut handlebars = Handlebars::new();
+
+    // register template from a file and assign a name to it
+    // deal with errors
+    handlebars.register_template_file("table", "./examples/decorator/template.hbs")?;
+
+    // register some custom helpers
+    handlebars.register_helper("format", Box::new(format_helper));
+    handlebars.register_helper("ranking_label", Box::new(rank_helper));
+    handlebars.register_decorator("format_suffix", Box::new(format_decorator));
+    handlebars.register_decorator("set", Box::new(set_decorator));
+
+    // make data and render it
+    let data = make_data();
+    println!("{}", handlebars.render("table", &data)?);
+    Ok(())
+}
diff --git a/vendor/handlebars/examples/decorator/template.hbs b/vendor/handlebars/examples/decorator/template.hbs
new file mode 100644
index 000000000..5b965182b
--- /dev/null
+++ b/vendor/handlebars/examples/decorator/template.hbs
@@ -0,0 +1,21 @@
+{{*format_suffix "分"}}
+
+<html>
+  <head>
+    <title>CSL {{year}}</title>
+  </head>
+  <body>
+    <h1>CSL {{year}}</h1>
+    <ul>
+    {{#each teams as |t|}}
+      <li class="{{ranking_label @index ../teams}}">
+      {{~log @index~}}
+      <b>{{t.name}}</b>: {{format t.pts ~}}
+      </li>
+    {{/each}}
+    </ul>
+
+    {{*set version="v3.0"}}
+    <p>Rendered by Handlebars {{version}} from {{engine}} data.</p>
+  </body>
+</html>
diff --git a/vendor/handlebars/examples/dev_mode.rs b/vendor/handlebars/examples/dev_mode.rs
new file mode 100644
index 000000000..99017474f
--- /dev/null
+++ b/vendor/handlebars/examples/dev_mode.rs
@@ -0,0 +1,27 @@
+use std::sync::Arc;
+
+use handlebars::Handlebars;
+use serde_json::json;
+use warp::{self, Filter};
+
+#[tokio::main]
+async fn main() {
+    let mut reg = Handlebars::new();
+    // enable dev mode for template reloading
+    reg.set_dev_mode(true);
+    // register a template from the file
+    // modified the file after the server starts to see things changing
+    reg.register_template_file("tpl", "./examples/dev_mode/template.hbs")
+        .unwrap();
+
+    let hbs = Arc::new(reg);
+    let route = warp::get().map(move || {
+        let result = hbs
+            .render("tpl", &json!({"model": "t14s", "brand": "Thinkpad"}))
+            .unwrap_or_else(|e| e.to_string());
+        warp::reply::html(result)
+    });
+
+    println!("Edit ./examples/dev_mode/template.hbs and request http://localhost:3030 to see the change on the run.");
+    warp::serve(route).run(([127, 0, 0, 1], 3030)).await;
+}
diff --git a/vendor/handlebars/examples/dev_mode/template.hbs b/vendor/handlebars/examples/dev_mode/template.hbs
new file mode 100644
index 000000000..19bb80657
--- /dev/null
+++ b/vendor/handlebars/examples/dev_mode/template.hbs
@@ -0,0 +1,8 @@
+<html>
+  <head>
+    <title>My Laptop</title>
+  </head>
+  <body>
+    <p>My current laptop is {{brand}}: <b>{{model}}</b></p>
+  </body>
+</html>
diff --git a/vendor/handlebars/examples/error.rs b/vendor/handlebars/examples/error.rs
new file mode 100644
index 000000000..3fb874e2b
--- /dev/null
+++ b/vendor/handlebars/examples/error.rs
@@ -0,0 +1,40 @@
+extern crate env_logger;
+extern crate handlebars;
+#[macro_use]
+extern crate serde_json;
+
+use std::error::Error;
+
+use handlebars::Handlebars;
+
+fn main() -> Result<(), Box<dyn Error>> {
+    env_logger::init();
+    let mut handlebars = Handlebars::new();
+
+    // template not found
+    println!(
+        "{}",
+        handlebars
+            .register_template_file("notfound", "./examples/error/notfound.hbs")
+            .unwrap_err()
+    );
+
+    // an invalid templat
+    println!(
+        "{}",
+        handlebars
+            .register_template_file("error", "./examples/error/error.hbs")
+            .unwrap_err()
+    );
+
+    // render error
+    let e1 = handlebars
+        .render_template("{{#if}}", &json!({}))
+        .unwrap_err();
+    let be1 = Box::new(e1);
+    println!("{}", be1);
+    println!("{}", be1.source().unwrap());
+    println!("{:?}", be1.source().unwrap().source());
+
+    Ok(())
+}
diff --git a/vendor/handlebars/examples/error/error.hbs b/vendor/handlebars/examples/error/error.hbs
new file mode 100644
index 000000000..89537e71e
--- /dev/null
+++ b/vendor/handlebars/examples/error/error.hbs
@@ -0,0 +1,21 @@
+{{! this is an invalid template }}
+
+<html>
+  <head>
+    <title>中超联赛 {{year}}</title>
+  </head>
+  <body>
+    <h1>CSL {{year}}</h1>
+    <ul>
+      {{#each teams as |t| ~}}
+      <li class="{{ranking_label true ../teams}}">
+      {{~log @index~}}
+      <b>{{t.name}}</b>: {{format t.pts ~}}
+      </li>
+      {{! mismatched helper close tag }}
+      {{/arch~}}
+    </ul>
+
+    <p>Rendered by Handlebars from {{engine}} data.</p>
+  </body>
+</html>
diff --git a/vendor/handlebars/examples/error/template.hbs b/vendor/handlebars/examples/error/template.hbs
new file mode 100644
index 000000000..9ed5b7bde
--- /dev/null
+++ b/vendor/handlebars/examples/error/template.hbs
@@ -0,0 +1,19 @@
+<html>
+  <head>
+    <title>中超联赛 {{year}}</title>
+  </head>
+  <body>
+    <h1>CSL {{year}}</h1>
+    <ul>
+      {{#each teams as |t|}}
+      {{! ranking_label will produce a render error when first parameter is not a number }}
+      <li class="{{ranking_label true ../teams}}">
+      {{~log @index~}}
+      <b>{{t.name}}</b>: {{format t.pts ~}}
+      </li>
+    {{/each}}
+    </ul>
+
+    <p>Rendered by Handlebars from {{engine}} data.</p>
+  </body>
+</html>
diff --git a/vendor/handlebars/examples/partials.rs b/vendor/handlebars/examples/partials.rs
new file mode 100644
index 000000000..80b20c2f7
--- /dev/null
+++ b/vendor/handlebars/examples/partials.rs
@@ -0,0 +1,35 @@
+extern crate env_logger;
+extern crate handlebars;
+#[macro_use]
+extern crate maplit;
+
+use handlebars::Handlebars;
+use std::error::Error;
+
+fn main() -> Result<(), Box<dyn Error>> {
+    env_logger::init();
+    let mut handlebars = Handlebars::new();
+
+    handlebars.register_template_file("template", "./examples/partials/template2.hbs")?;
+
+    handlebars.register_template_file("base0", "./examples/partials/base0.hbs")?;
+    handlebars.register_template_file("base1", "./examples/partials/base1.hbs")?;
+
+    let data0 = btreemap! {
+        "title".to_string() => "example 0".to_string(),
+        "parent".to_string() => "base0".to_string()
+    };
+    let data1 = btreemap! {
+        "title".to_string() => "example 1".to_string(),
+        "parent".to_string() => "base1".to_string()
+    };
+
+    println!("Page 0");
+    println!("{}", handlebars.render("template", &data0)?);
+    println!("=======================================================");
+
+    println!("Page 1");
+    println!("{}", handlebars.render("template", &data1)?);
+
+    Ok(())
+}
diff --git a/vendor/handlebars/examples/partials/base0.hbs b/vendor/handlebars/examples/partials/base0.hbs
new file mode 100644
index 000000000..34b38e763
--- /dev/null
+++ b/vendor/handlebars/examples/partials/base0.hbs
@@ -0,0 +1,7 @@
+<html>
+  <head>{{title}}</head>
+  <body>
+    <div><h1>Derived from base0.hbs</h1></div>
+    {{> page}}
+  </body>
+</html>
diff --git a/vendor/handlebars/examples/partials/base1.hbs b/vendor/handlebars/examples/partials/base1.hbs
new file mode 100644
index 000000000..8f771dfad
--- /dev/null
+++ b/vendor/handlebars/examples/partials/base1.hbs
@@ -0,0 +1,7 @@
+<html>
+  <head>{{title}}</head>
+  <body>
+    <div><h1>Derived from base1.hbs</h1></div>
+    {{> page}}
+  </body>
+</html>
diff --git a/vendor/handlebars/examples/partials/template2.hbs b/vendor/handlebars/examples/partials/template2.hbs
new file mode 100644
index 000000000..934416eb7
--- /dev/null
+++ b/vendor/handlebars/examples/partials/template2.hbs
@@ -0,0 +1,4 @@
+{{#*inline "page"}}
+  <p>Rendered in partial, parent is {{parent}}</p>
+{{/inline}}
+{{> (lookup this "parent")}}
diff --git a/vendor/handlebars/examples/quick.rs b/vendor/handlebars/examples/quick.rs
new file mode 100644
index 000000000..ff1c94ca6
--- /dev/null
+++ b/vendor/handlebars/examples/quick.rs
@@ -0,0 +1,18 @@
+use std::error::Error;
+
+use handlebars::Handlebars;
+use serde_json::json;
+
+fn main() -> Result<(), Box<dyn Error>> {
+    let mut reg = Handlebars::new();
+    // render without register
+    println!(
+        "{}",
+        reg.render_template("Hello {{name}}", &json!({"name": "foo"}))?
+    );
+
+    // register template using given name
+    reg.register_template_string("tpl_1", "Good afternoon, {{name}}")?;
+    println!("{}", reg.render("tpl_1", &json!({"name": "foo"}))?);
+    Ok(())
+}
diff --git a/vendor/handlebars/examples/render.rs b/vendor/handlebars/examples/render.rs
new file mode 100644
index 000000000..112ec504d
--- /dev/null
+++ b/vendor/handlebars/examples/render.rs
@@ -0,0 +1,135 @@
+extern crate env_logger;
+extern crate handlebars;
+
+#[macro_use]
+extern crate serde_derive;
+extern crate serde_json;
+
+use serde_json::value::{Map, Value as Json};
+use std::error::Error;
+
+use handlebars::{
+    to_json, Context, Handlebars, Helper, JsonRender, Output, RenderContext, RenderError,
+};
+
+// define a custom helper
+fn format_helper(
+    h: &Helper,
+    _: &Handlebars,
+    _: &Context,
+    _: &mut RenderContext,
+    out: &mut dyn Output,
+) -> Result<(), RenderError> {
+    // get parameter from helper or throw an error
+    let param = h
+        .param(0)
+        .ok_or(RenderError::new("Param 0 is required for format helper."))?;
+    let rendered = format!("{} pts", param.value().render());
+    out.write(rendered.as_ref())?;
+    Ok(())
+}
+
+// another custom helper
+fn rank_helper(
+    h: &Helper,
+    _: &Handlebars,
+    _: &Context,
+    _: &mut RenderContext,
+    out: &mut dyn Output,
+) -> Result<(), RenderError> {
+    let rank = h
+        .param(0)
+        .and_then(|v| v.value().as_u64())
+        .ok_or(RenderError::new(
+            "Param 0 with u64 type is required for rank helper.",
+        ))? as usize;
+    let total = h
+        .param(1)
+        .as_ref()
+        .and_then(|v| v.value().as_array())
+        .map(|arr| arr.len())
+        .ok_or(RenderError::new(
+            "Param 1 with array type is required for rank helper",
+        ))?;
+    if rank == 0 {
+        out.write("champion")?;
+    } else if rank >= total - 2 {
+        out.write("relegation")?;
+    } else if rank <= 2 {
+        out.write("acl")?;
+    }
+    Ok(())
+}
+
+static TYPES: &'static str = "serde_json";
+
+// define some data
+#[derive(Serialize)]
+pub struct Team {
+    name: String,
+    pts: u16,
+}
+
+// produce some data
+pub fn make_data() -> Map<String, Json> {
+    let mut data = Map::new();
+
+    data.insert("year".to_string(), to_json("2015"));
+
+    let teams = vec![
+        Team {
+            name: "Jiangsu Suning".to_string(),
+            pts: 43u16,
+        },
+        Team {
+            name: "Shanghai SIPG".to_string(),
+            pts: 39u16,
+        },
+        Team {
+            name: "Hebei CFFC".to_string(),
+            pts: 27u16,
+        },
+        Team {
+            name: "Guangzhou Evergrand".to_string(),
+            pts: 22u16,
+        },
+        Team {
+            name: "Shandong Luneng".to_string(),
+            pts: 12u16,
+        },
+        Team {
+            name: "Beijing Guoan".to_string(),
+            pts: 7u16,
+        },
+        Team {
+            name: "Hangzhou Greentown".to_string(),
+            pts: 7u16,
+        },
+        Team {
+            name: "Shanghai Shenhua".to_string(),
+            pts: 4u16,
+        },
+    ];
+
+    data.insert("teams".to_string(), to_json(&teams));
+    data.insert("engine".to_string(), to_json(TYPES));
+    data
+}
+
+fn main() -> Result<(), Box<dyn Error>> {
+    env_logger::init();
+    // create the handlebars registry
+    let mut handlebars = Handlebars::new();
+
+    // register template from a file and assign a name to it
+    handlebars.register_template_file("table", "./examples/render/template.hbs")?;
+
+    // register some custom helpers
+    handlebars.register_helper("format", Box::new(format_helper));
+    handlebars.register_helper("ranking_label", Box::new(rank_helper));
+
+    // make data and render it
+    let data = make_data();
+    println!("{}", handlebars.render("table", &data)?);
+    Ok(())
+}
diff --git a/vendor/handlebars/examples/render/template.hbs b/vendor/handlebars/examples/render/template.hbs
new file mode 100644
index 000000000..2a62d014f
--- /dev/null
+++ b/vendor/handlebars/examples/render/template.hbs
@@ -0,0 +1,18 @@
+<html>
+  <head>
+    <title>中超联赛 {{year}}</title>
+  </head>
+  <body>
+    <h1>CSL {{year}}</h1>
+    <ul>
+    {{#each teams as |t|}}
+      <li class="{{ranking_label @index ../teams}}">
+      {{~log @index~}}
+      <b>{{t.name}}</b>: {{format t.pts ~}}
+      </li>
+    {{/each}}
+    </ul>
+
+    <p>Rendered by Handlebars from {{engine}} data.</p>
+  </body>
+</html>
diff --git a/vendor/handlebars/examples/render_cli/simple.hbs b/vendor/handlebars/examples/render_cli/simple.hbs
new file mode 100644
index 000000000..6b9e01247
--- /dev/null
+++ b/vendor/handlebars/examples/render_cli/simple.hbs
@@ -0,0 +1 @@
+Data: {{ . }}
diff --git a/vendor/handlebars/examples/render_file.rs b/vendor/handlebars/examples/render_file.rs
new file mode 100644
index 000000000..7b7599672
--- /dev/null
+++ b/vendor/handlebars/examples/render_file.rs
@@ -0,0 +1,140 @@
+#![allow(unused_imports, dead_code)]
+extern crate env_logger;
+extern crate handlebars;
+extern crate serde;
+#[macro_use]
+extern crate serde_derive;
+extern crate serde_json;
+use serde::Serialize;
+use serde_json::value::{self, Map, Value as Json};
+
+use std::error::Error;
+use std::fs::File;
+use std::io::{Read, Write};
+
+use handlebars::{
+    to_json, Context, Handlebars, Helper, JsonRender, Output, RenderContext, RenderError,
+};
+
+// define a custom helper
+fn format_helper(
+    h: &Helper,
+    _: &Handlebars,
+    _: &Context,
+    _: &mut RenderContext,
+    out: &mut dyn Output,
+) -> Result<(), RenderError> {
+    let param = h
+        .param(0)
+        .ok_or(RenderError::new("Param 0 is required for format helper."))?;
+    let rendered = format!("{} pts", param.value().render());
+    out.write(rendered.as_ref())?;
+    Ok(())
+}
+
+// another custom helper
+fn rank_helper(
+    h: &Helper,
+    _: &Handlebars,
+    _: &Context,
+    _: &mut RenderContext,
+    out: &mut dyn Output,
+) -> Result<(), RenderError> {
+    let rank = h
+        .param(0)
+        .and_then(|ref v| v.value().as_u64())
+        .ok_or(RenderError::new(
+            "Param 0 with u64 type is required for rank helper.",
+        ))? as usize;
+    let total = h
+        .param(1)
+        .as_ref()
+        .and_then(|v| v.value().as_array())
+        .map(|arr| arr.len())
+        .ok_or(RenderError::new(
+            "Param 1 with array type is required for rank helper",
+        ))?;
+    if rank == 0 {
+        out.write("champion")?;
+    } else if rank >= total - 2 {
+        out.write("relegation")?;
+    } else if rank <= 2 {
+        out.write("acl")?;
+    }
+    Ok(())
+}
+
+static TYPES: &'static str = "serde_json";
+
+// define some data
+#[derive(Serialize)]
+pub struct Team {
+    name: String,
+    pts: u16,
+}
+
+// produce some data
+pub fn make_data() -> Map<String, Json> {
+    let mut data = Map::new();
+
+    data.insert("year".to_string(), to_json("2015"));
+
+    let teams = vec![
+        Team {
+            name: "Jiangsu Suning".to_string(),
+            pts: 43u16,
+        },
+        Team {
+            name: "Shanghai SIPG".to_string(),
+            pts: 39u16,
+        },
+        Team {
+            name: "Hebei CFFC".to_string(),
+            pts: 27u16,
+        },
+        Team {
+            name: "Guangzhou Evergrand".to_string(),
+            pts: 22u16,
+        },
+        Team {
+            name: "Shandong Luneng".to_string(),
+            pts: 12u16,
+        },
+        Team {
+            name: "Beijing Guoan".to_string(),
+            pts: 7u16,
+        },
+        Team {
+            name: "Hangzhou Greentown".to_string(),
+            pts: 7u16,
+        },
+        Team {
+            name: "Shanghai Shenhua".to_string(),
+            pts: 4u16,
+        },
+    ];
+
+    data.insert("teams".to_string(), to_json(&teams));
+    data.insert("engine".to_string(), to_json(TYPES));
+    data
+}
+
+fn main() -> Result<(), Box<dyn Error>> {
+    env_logger::init();
+    let mut handlebars = Handlebars::new();
+
+    handlebars.register_helper("format", Box::new(format_helper));
+    handlebars.register_helper("ranking_label", Box::new(rank_helper));
+    // handlebars.register_helper("format", Box::new(FORMAT_HELPER));
+
+    let data = make_data();
+
+    handlebars
+        .register_template_file("template", "./examples/render_file/template.hbs")
+        .unwrap();
+
+    let mut output_file = File::create("target/table.html")?;
+    handlebars.render_to_write("template", &data, &mut output_file)?;
+    println!("target/table.html generated");
+    Ok(())
+}
diff --git a/vendor/handlebars/examples/render_file/template.hbs b/vendor/handlebars/examples/render_file/template.hbs
new file mode 100644
index 000000000..84a0d6bc0
--- /dev/null
+++ b/vendor/handlebars/examples/render_file/template.hbs
@@ -0,0 +1,19 @@
+<html>
+  <head>
+    <title>中超联赛 {{year}}</title>
+  </head>
+  <body>
+    <h1>CSL {{year}}</h1>
+    <ul>
+    {{#each teams as |t| }}
+      <li class="{{ranking_label @index ../teams}}">
+      {{~log @index~}}
+      {{!-- I'm comment --}}
+      <b>{{t.name}}</b>: {{format t.pts ~}}
+      </li>
+    {{/each}}
+    </ul>
+
+    <p>Rendered by Handlebars from {{engine}} data.</p>
+  </body>
+</html>
diff --git a/vendor/handlebars/examples/script.rs b/vendor/handlebars/examples/script.rs
new file mode 100644
index 000000000..bedd426cd
--- /dev/null
+++ b/vendor/handlebars/examples/script.rs
@@ -0,0 +1,39 @@
+#![allow(unused_imports)]
+
+use handlebars::Handlebars;
+use std::error::Error;
+#[macro_use]
+extern crate serde_json;
+
+#[cfg(feature = "script_helper")]
+fn main() -> Result<(), Box<dyn Error>> {
+    let mut handlebars = Handlebars::new();
+
+    handlebars.register_template_file("tpl", "./examples/script/template.hbs")?;
+    handlebars.register_script_helper_file("score", "./examples/script/goals.rhai")?;
+
+    let data = json! {[
+        [{
+            "name": "Dortmund",
+            "goals": ["Haaland", "Guerreiro", "Hazard", "Guerreiro"]
+        }, {
+            "name": "Schalke",
+            "goals": []
+        }],
+        [{
+            "name": "RB Leipzig",
+            "goals": ["Poulsen"]
+        }, {
+            "name": "SC Feriburg",
+            "goals": ["Gulde"]
+        }]
+    ]};
+    println!("{}", handlebars.render("tpl", &data)?);
+    Ok(())
+}
+
+#[cfg(not(feature = "script_helper"))]
+fn main() -> Result<(), Box<dyn Error>> {
+    println!("Please enable feature flag script_helper for this example");
+    Ok(())
+}
diff --git a/vendor/handlebars/examples/script/goals.rhai b/vendor/handlebars/examples/script/goals.rhai
new file mode 100644
index 000000000..65828202e
--- /dev/null
+++ b/vendor/handlebars/examples/script/goals.rhai
@@ -0,0 +1,3 @@
+let goals = params[0];
+
+goals.len()
diff --git a/vendor/handlebars/examples/script/template.hbs b/vendor/handlebars/examples/script/template.hbs
new file mode 100644
index 000000000..c04253c72
--- /dev/null
+++ b/vendor/handlebars/examples/script/template.hbs
@@ -0,0 +1,10 @@
+Bundesliga Match Day
+{{#each this as |match|}}
+  {{#each match as |team|}}
+    {{team.name}} - {{score team.goals}}
+    {{#each team.goals as |scorer|}}
+      > {{scorer}}
+    {{/each}}
+  {{/each}}
+  ---
+{{/each}}