1 files changed, 140 insertions, 0 deletions
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(())
+}