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Add replace_metadata_value function

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This commit is contained in:
Kenneth Gitere 2021-02-06 13:53:04 +03:00
parent b402472ba6
commit 6b62051942
1 changed files with 35 additions and 3 deletions
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38
src/epub.rs
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@ -20,11 +20,14 @@ pub fn generate_epub(extractor: Extractor) {
let html_buf = std::str::from_utf8(&html_buf).unwrap();
let mut epub = EpubBuilder::new(ZipLibrary::new().unwrap()).unwrap();
if let Some(author) = extractor.metadata().byline() {
epub.metadata("author", author.replace("&", "&"))
epub.metadata("author", replace_metadata_value(author))
.unwrap();
}
epub.metadata("title", extractor.metadata().title().replace("&", "&"))
.unwrap();
epub.metadata(
"title",
replace_metadata_value(extractor.metadata().title()),
)
.unwrap();
epub.add_content(EpubContent::new("index.xhtml", html_buf.as_bytes()))
.unwrap();
for img in extractor.img_urls {
@ -38,3 +41,32 @@ pub fn generate_epub(extractor: Extractor) {
epub.generate(&mut out_file).unwrap();
println!("Created {:?}", file_name);
}
/// Replaces characters that have to be escaped before adding to the epub's metadata
fn replace_metadata_value(value: &str) -> String {
value
.replace("&", "&")
.replace("<", "&lt;")
.replace(">", "&gt;")
}
#[cfg(test)]
mod test {
use super::replace_metadata_value;
#[test]
fn test_replace_metadata_value() {
let mut value = "Lorem ipsum";
assert_eq!(replace_metadata_value(value), "Lorem ipsum");
value = "Memory safe > memory unsafe";
assert_eq!(
replace_metadata_value(value),
"Memory safe &gt; memory unsafe"
);
value = "Author Name <author@mail.example>";
assert_eq!(
replace_metadata_value(value),
"Author Name &lt;author@mail.example&gt;"
);
}
}