Update handlebars to 3.0

Cargo.toml

@@ -20,7 +20,7 @@ chrono = "0.4"
 clap = "2.24"
 env_logger = "0.6"
 error-chain = "0.12"
-handlebars = { version = "2.0", default-features = false, features = ["no_dir_source"] }
+handlebars = "3.0"
 itertools = "0.8"
 lazy_static = "1.0"
 log = "0.4"

src/renderer/html_handlebars/hbs_renderer.rs

@@ -208,7 +208,7 @@ impl HtmlHandlebars {
         );
     }
 
-    fn register_hbs_helpers(&self, handlebars: &mut Handlebars, html_config: &HtmlConfig) {
+    fn register_hbs_helpers(&self, handlebars: &mut Handlebars<'_>, html_config: &HtmlConfig) {
         handlebars.register_helper(
             "toc",
             Box::new(helpers::toc::RenderToc {
@@ -701,7 +701,7 @@ fn partition_source(s: &str) -> (String, String) {
 }
 
 struct RenderItemContext<'a> {
-    handlebars: &'a Handlebars,
+    handlebars: &'a Handlebars<'a>,
     destination: PathBuf,
     data: serde_json::Map<String, serde_json::Value>,
     is_index: bool,

src/renderer/html_handlebars/helpers/navigation.rs

@@ -46,7 +46,7 @@ impl Target {
 
 fn find_chapter(
     ctx: &Context,
-    rc: &mut RenderContext<'_>,
+    rc: &mut RenderContext<'_, '_>,
     target: Target,
 ) -> Result<Option<StringMap>, RenderError> {
     debug!("Get data from context");
@@ -108,9 +108,9 @@ fn find_chapter(
 
 fn render(
     _h: &Helper<'_, '_>,
-    r: &Handlebars,
+    r: &Handlebars<'_>,
     ctx: &Context,
-    rc: &mut RenderContext<'_>,
+    rc: &mut RenderContext<'_, '_>,
     out: &mut dyn Output,
     chapter: &StringMap,
 ) -> Result<(), RenderError> {
@@ -150,7 +150,7 @@ fn render(
     _h.template()
         .ok_or_else(|| RenderError::new("Error with the handlebars template"))
         .and_then(|t| {
-            let mut local_rc = rc.new_for_block();
+            let mut local_rc = rc.clone();
             let local_ctx = Context::wraps(&context)?;
             t.render(r, &local_ctx, &mut local_rc, out)
         })?;
@@ -160,9 +160,9 @@ fn render(
 
 pub fn previous(
     _h: &Helper<'_, '_>,
-    r: &Handlebars,
+    r: &Handlebars<'_>,
     ctx: &Context,
-    rc: &mut RenderContext<'_>,
+    rc: &mut RenderContext<'_, '_>,
     out: &mut dyn Output,
 ) -> Result<(), RenderError> {
     trace!("previous (handlebars helper)");
@@ -176,9 +176,9 @@ pub fn previous(
 
 pub fn next(
     _h: &Helper<'_, '_>,
-    r: &Handlebars,
+    r: &Handlebars<'_>,
     ctx: &Context,
-    rc: &mut RenderContext<'_>,
+    rc: &mut RenderContext<'_, '_>,
     out: &mut dyn Output,
 ) -> Result<(), RenderError> {
     trace!("next (handlebars helper)");

src/renderer/html_handlebars/helpers/theme.rs

@@ -2,9 +2,9 @@ use handlebars::{Context, Handlebars, Helper, Output, RenderContext, RenderError
 
 pub fn theme_option(
     h: &Helper<'_, '_>,
-    _r: &Handlebars,
+    _r: &Handlebars<'_>,
     ctx: &Context,
-    rc: &mut RenderContext<'_>,
+    rc: &mut RenderContext<'_, '_>,
     out: &mut dyn Output,
 ) -> Result<(), RenderError> {
     trace!("theme_option (handlebars helper)");

src/renderer/html_handlebars/helpers/toc.rs

@@ -16,9 +16,9 @@ impl HelperDef for RenderToc {
     fn call<'reg: 'rc, 'rc>(
         &self,
         _h: &Helper<'reg, 'rc>,
-        _r: &'reg Handlebars,
+        _r: &'reg Handlebars<'_>,
         ctx: &'rc Context,
-        rc: &mut RenderContext<'reg>,
+        rc: &mut RenderContext<'reg, 'rc>,
         out: &mut dyn Output,
     ) -> Result<(), RenderError> {
         // get value from context data