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addded the metadata preprocessor to the default list of preprocessors.

This commit is contained in:
Adam Kerrigan 2021-02-15 17:05:06 +00:00
parent c5aa243e0f
commit 5fa84ac880
1 changed files with 9 additions and 3 deletions
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12
src/book/mod.rs
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@ -23,7 +23,8 @@ use toml::Value;
use crate::errors::*; use crate::errors::*;
use crate::preprocess::{ use crate::preprocess::{
CmdPreprocessor, IndexPreprocessor, LinkPreprocessor, Preprocessor, PreprocessorContext, CmdPreprocessor, IndexPreprocessor, LinkPreprocessor, MetadataPreprocessor, Preprocessor,
PreprocessorContext,
}; };
use crate::renderer::{CmdRenderer, HtmlHandlebars, MarkdownRenderer, RenderContext, Renderer}; use crate::renderer::{CmdRenderer, HtmlHandlebars, MarkdownRenderer, RenderContext, Renderer};
use crate::utils; use crate::utils;
@ -375,12 +376,15 @@ fn default_preprocessors() -> Vec<Box<dyn Preprocessor>> {
vec![ vec![
Box::new(LinkPreprocessor::new()), Box::new(LinkPreprocessor::new()),
Box::new(IndexPreprocessor::new()), Box::new(IndexPreprocessor::new()),
Box::new(MetadataPreprocessor::new()),
] ]
} }
fn is_default_preprocessor(pre: &dyn Preprocessor) -> bool { fn is_default_preprocessor(pre: &dyn Preprocessor) -> bool {
let name = pre.name(); let name = pre.name();
name == LinkPreprocessor::NAME || name == IndexPreprocessor::NAME name == LinkPreprocessor::NAME
|| name == IndexPreprocessor::NAME
|| name == MetadataPreprocessor::NAME
} }
/// Look at the `MDBook` and try to figure out what preprocessors to run. /// Look at the `MDBook` and try to figure out what preprocessors to run.
@ -396,6 +400,7 @@ fn determine_preprocessors(config: &Config) -> Result<Vec<Box<dyn Preprocessor>>
match key.as_ref() { match key.as_ref() {
"links" => preprocessors.push(Box::new(LinkPreprocessor::new())), "links" => preprocessors.push(Box::new(LinkPreprocessor::new())),
"index" => preprocessors.push(Box::new(IndexPreprocessor::new())), "index" => preprocessors.push(Box::new(IndexPreprocessor::new())),
"metadata" => preprocessors.push(Box::new(MetadataPreprocessor::new())),
name => preprocessors.push(interpret_custom_preprocessor( name => preprocessors.push(interpret_custom_preprocessor(
name, name,
&preprocessor_table[name], &preprocessor_table[name],
@ -513,9 +518,10 @@ mod tests {
let got = determine_preprocessors(&cfg); let got = determine_preprocessors(&cfg);
assert!(got.is_ok()); assert!(got.is_ok());
assert_eq!(got.as_ref().unwrap().len(), 2); assert_eq!(got.as_ref().unwrap().len(), 3);
assert_eq!(got.as_ref().unwrap()[0].name(), "links"); assert_eq!(got.as_ref().unwrap()[0].name(), "links");
assert_eq!(got.as_ref().unwrap()[1].name(), "index"); assert_eq!(got.as_ref().unwrap()[1].name(), "index");
assert_eq!(got.as_ref().unwrap()[2].name(), "metadata");
} }
#[test] #[test]