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Updated the call site for handlebars rendering

This commit is contained in:
Michael Bryan 2018-03-14 23:28:32 +08:00
parent 951c873df6
commit 867fbfec05
No known key found for this signature in database
GPG Key ID: E9C602B0D9A998DC
2 changed files with 80 additions and 77 deletions
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133
src/renderer/html_handlebars/helpers/navigation.rs
View File

@ -4,7 +4,6 @@ use std::collections::BTreeMap;
use serde_json;
use handlebars::{Context, Handlebars, Helper, RenderContext, RenderError, Renderable};
type StringMap = BTreeMap<String, String>;
/// Target for `find_chapter`.
@ -15,22 +14,23 @@ enum Target {
impl Target {
/// Returns target if found.
fn find(&self,
base_path: &String,
current_path: &String,
current_item: &StringMap,
previous_item: &StringMap,
) -> Result<Option<StringMap>, RenderError> {
fn find(
&self,
base_path: &String,
current_path: &String,
current_item: &StringMap,
previous_item: &StringMap,
) -> Result<Option<StringMap>, RenderError> {
match self {
&Target::Next => {
let previous_path = previous_item.get("path").ok_or_else(|| {
RenderError::new("No path found for chapter in JSON data")
})?;
let previous_path = previous_item
.get("path")
.ok_or_else(|| RenderError::new("No path found for chapter in JSON data"))?;
if previous_path == base_path {
return Ok(Some(current_item.clone()));
}
},
}
&Target::Previous => {
if current_path == base_path {
@ -43,21 +43,18 @@ impl Target {
}
}
fn find_chapter(
rc: &mut RenderContext,
target: Target
) -> Result<Option<StringMap>, RenderError> {
fn find_chapter(rc: &mut RenderContext, target: Target) -> Result<Option<StringMap>, RenderError> {
debug!("Get data from context");
let chapters = rc.evaluate_absolute("chapters").and_then(|c| {
let chapters = rc.evaluate_absolute("chapters", true).and_then(|c| {
serde_json::value::from_value::<Vec<StringMap>>(c.clone())
.map_err(|_| RenderError::new("Could not decode the JSON data"))
})?;
let base_path = rc.evaluate_absolute("path")?
.as_str()
.ok_or_else(|| RenderError::new("Type error for `path`, string expected"))?
.replace("\"", "");
let base_path = rc.evaluate_absolute("path", true)?
.as_str()
.ok_or_else(|| RenderError::new("Type error for `path`, string expected"))?
.replace("\"", "");
let mut previous: Option<StringMap> = None;
@ -78,7 +75,7 @@ fn find_chapter(
}
}
Ok(None)
Ok(None)
}
fn render(
@ -91,18 +88,21 @@ fn render(
let mut context = BTreeMap::new();
chapter.get("name")
.ok_or_else(|| RenderError::new("No title found for chapter in JSON data"))
.map(|name| context.insert("title".to_owned(), json!(name)))?;
chapter
.get("name")
.ok_or_else(|| RenderError::new("No title found for chapter in JSON data"))
.map(|name| context.insert("title".to_owned(), json!(name)))?;
chapter.get("path")
.ok_or_else(|| RenderError::new("No path found for chapter in JSON data"))
.and_then(|p| {
Path::new(p).with_extension("html")
.to_str()
.ok_or_else(|| RenderError::new("Link could not be converted to str"))
.map(|p| context.insert("link".to_owned(), json!(p.replace("\\", "/"))))
})?;
chapter
.get("path")
.ok_or_else(|| RenderError::new("No path found for chapter in JSON data"))
.and_then(|p| {
Path::new(p)
.with_extension("html")
.to_str()
.ok_or_else(|| RenderError::new("Link could not be converted to str"))
.map(|p| context.insert("link".to_owned(), json!(p.replace("\\", "/"))))
})?;
trace!("Render template");
@ -138,14 +138,14 @@ pub fn next(_h: &Helper, r: &Handlebars, rc: &mut RenderContext) -> Result<(), R
#[cfg(test)]
mod tests {
use super::*;
use super::*;
static TEMPLATE: &'static str =
"{{#previous}}{{title}}: {{link}}{{/previous}}|{{#next}}{{title}}: {{link}}{{/next}}";
static TEMPLATE: &'static str =
"{{#previous}}{{title}}: {{link}}{{/previous}}|{{#next}}{{title}}: {{link}}{{/next}}";
#[test]
fn test_next_previous() {
let data = json!({
#[test]
fn test_next_previous() {
let data = json!({
"name": "two",
"path": "two.path",
"chapters": [
@ -164,18 +164,19 @@ mod tests {
]
});
let mut h = Handlebars::new();
h.register_helper("previous", Box::new(previous));
h.register_helper("next", Box::new(next));
let mut h = Handlebars::new();
h.register_helper("previous", Box::new(previous));
h.register_helper("next", Box::new(next));
assert_eq!(
h.template_render(TEMPLATE, &data).unwrap(),
"one: one.html|three: three.html");
}
assert_eq!(
h.render_template(TEMPLATE, &data).unwrap(),
"one: one.html|three: three.html"
);
}
#[test]
fn test_first() {
let data = json!({
#[test]
fn test_first() {
let data = json!({
"name": "one",
"path": "one.path",
"chapters": [
@ -194,17 +195,18 @@ mod tests {
]
});
let mut h = Handlebars::new();
h.register_helper("previous", Box::new(previous));
h.register_helper("next", Box::new(next));
let mut h = Handlebars::new();
h.register_helper("previous", Box::new(previous));
h.register_helper("next", Box::new(next));
assert_eq!(
h.template_render(TEMPLATE, &data).unwrap(),
"|two: two.html");
}
#[test]
fn test_last() {
let data = json!({
assert_eq!(
h.render_template(TEMPLATE, &data).unwrap(),
"|two: two.html"
);
}
#[test]
fn test_last() {
let data = json!({
"name": "three",
"path": "three.path",
"chapters": [
@ -223,12 +225,13 @@ mod tests {
]
});
let mut h = Handlebars::new();
h.register_helper("previous", Box::new(previous));
h.register_helper("next", Box::new(next));
let mut h = Handlebars::new();
h.register_helper("previous", Box::new(previous));
h.register_helper("next", Box::new(next));
assert_eq!(
h.template_render(TEMPLATE, &data).unwrap(),
"two: two.html|");
}
assert_eq!(
h.render_template(TEMPLATE, &data).unwrap(),
"two: two.html|"
);
}
}

24
src/renderer/html_handlebars/helpers/toc.rs
View File

@ -8,7 +8,7 @@ use pulldown_cmark::{html, Event, Parser, Tag};
// Handlebars helper to construct TOC
#[derive(Clone, Copy)]
pub struct RenderToc {
pub no_section_label: bool
pub no_section_label: bool,
}
impl HelperDef for RenderToc {
@ -16,14 +16,14 @@ impl HelperDef for RenderToc {
// get value from context data
// rc.get_path() is current json parent path, you should always use it like this
// param is the key of value you want to display
let chapters = rc.evaluate_absolute("chapters").and_then(|c| {
let chapters = rc.evaluate_absolute("chapters", true).and_then(|c| {
serde_json::value::from_value::<Vec<BTreeMap<String, String>>>(c.clone())
.map_err(|_| RenderError::new("Could not decode the JSON data"))
})?;
let current = rc.evaluate_absolute("path")?
.as_str()
.ok_or_else(|| RenderError::new("Type error for `path`, string expected"))?
.replace("\"", "");
let current = rc.evaluate_absolute("path", true)?
.as_str()
.ok_or_else(|| RenderError::new("Type error for `path`, string expected"))?
.replace("\"", "");
rc.writer.write_all(b"<ol class=\"chapter\">")?;
@ -107,12 +107,12 @@ impl HelperDef for RenderToc {
// filter all events that are not inline code blocks
let parser = Parser::new(name).filter(|event| match *event {
Event::Start(Tag::Code) |
Event::End(Tag::Code) |
Event::InlineHtml(_) |
Event::Text(_) => true,
_ => false,
});
Event::Start(Tag::Code)
| Event::End(Tag::Code)
| Event::InlineHtml(_)
| Event::Text(_) => true,
_ => false,
});
// render markdown to html
let mut markdown_parsed_name = String::with_capacity(name.len() * 3 / 2);