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Gramatical and stylistic fixes

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This commit is contained in:
Emi Simpson 2019-12-09 12:41:21 -05:00
parent 028beb821c
commit 614af44c92
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GPG key ID: 68FAB2E2E6DFC98B
2 changed files with 17 additions and 23 deletions
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12
src/html.rs
View file

@ -9,7 +9,6 @@ use http::retrieve_asset;
use js::attr_is_event_handler;
use std::collections::HashMap;
use std::default::Default;
use std::fmt::Write as OtherWrite;
use utils::{data_to_dataurl, is_valid_url, resolve_css_imports, resolve_url, url_has_protocol};
lazy_static! {
@ -155,7 +154,7 @@ pub fn walk_and_embed_assets(
Err(e) => {
eprintln!("Warning: {}", e,);
//If failed to resolve, replace with absolute URL
// If failed to resolve, replace with absolute URL
href_full_url
}
};
@ -309,9 +308,7 @@ pub fn walk_and_embed_assets(
opt_insecure,
);
tendril.clear();
tendril
.write_str(&replacement)
.expect("Failed to update DOM");
tendril.push_slice(&replacement);
}
}
}
@ -443,10 +440,7 @@ pub fn walk_and_embed_assets(
opt_insecure,
);
attribute.value.clear();
attribute
.value
.write_str(&replacement)
.expect("Failed to update DOM");
attribute.value.push_slice(&replacement);
}
}

28
src/utils.rs
View file

@ -6,10 +6,10 @@ use regex::Regex;
use std::collections::HashMap;
use url::{ParseError, Url};
/// This monster of a regex is used to match any kind of URL found in a CSS
/// stylesheet.
/// This monster of a regex is used to match any kind of URL found in CSS.
///
/// There's roughly three different categories that a found url could fit into:
/// There are roughly three different categories that a found URL could fit
/// into:
/// - Font [found after a src: property in an @font-family rule]
/// - Stylesheet [denoted by an @import before the url
/// - Image [covers all other uses of the url() function]
@ -19,22 +19,22 @@ use url::{ParseError, Url};
/// - Where is the part that needs to be replaced (incl any wrapping quotes)
/// - What is the URL (excl any wrapping quotes)
///
/// For understandablility, the regex can be broken down into two parts:
/// Essentially, the regex can be broken down into two parts:
///
/// `(?:(?P<import>@import)|(?P<font>src\s*:)\s+)?`
/// This matches the precursor to a font or css url, and fills in a match under
/// either `<import>` (if it's a css url) or `<font>` (if it's a font).
/// This matches the precursor to a font or CSS URL, and fills in a match under
/// either `<import>` (if it's a CSS URL) or `<font>` (if it's a font).
/// Determining whether or not it's an image can be done by the negation of both
/// of these. Either zero or one of these can match.
/// of these. Either zero or one of these can match.
///
/// `url\((?P<to_repl>['"]?(?P<url>[^"'\)]+)['"]?)\)`
/// This matches the actual URL part of the url, and must always match. It also
/// This matches the actual URL part of the url(), and must always match. It also
/// sets `<to_repl>` and `<url>` which correspond to everything within
/// `url(...)` and a usable URL, respectively.
///
/// Note, however, that this does not perform any validation of the found URL.
/// Malformed CSS could lead to an invalid URL being present. It is therefor
/// recomended that the URL is manually validated.
/// Malformed CSS could lead to an invalid URL being present. It is therefore
/// recomended that the URL gets manually validated.
const CSS_URL_REGEX_STR: &str = r###"(?:(?:(?P<stylesheet>@import)|(?P<font>src\s*:))\s+)?url\((?P<to_repl>['"]?(?P<url>[^"'\)]+)['"]?)\)"###;
lazy_static! {
@ -136,7 +136,7 @@ pub fn resolve_css_imports(
Err(_) => continue, // Malformed URL
};
// Download the asset. If it's more CSS, resolve that too
// Download the asset. If it's more CSS, resolve that too
let content = if is_stylesheet {
// The link is an @import link
retrieve_asset(
@ -152,7 +152,7 @@ pub fn resolve_css_imports(
resolve_css_imports(
cache,
&content,
true, //NOW, convert to data URL
true, // Finally, convert to a dataurl
&embedded_url,
opt_no_images,
opt_user_agent,
@ -179,9 +179,9 @@ pub fn resolve_css_imports(
Ok(embedded_url.clone())
}
.unwrap_or_else(|e| {
eprintln!("Warning: {}", e,);
eprintln!("Warning: {}", e);
//If failed to resolve, replace with absolute URL
// If failed to resolve, replace with absolute URL
embedded_url
});