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Add support for user stylesheets specified on the command-line.

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This commit is contained in:
Simon Sapin 2015-08-05 17:06:31 +02:00
parent 4bcb1dc926
commit 9317a30b91
2 changed files with 25 additions and 3 deletions
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23
components/util/opts.rs
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@ -13,8 +13,8 @@ use num_cpus;
use std::collections::HashSet;
use std::cmp;
use std::env;
use std::io::{self, Write};
use std::fs::PathExt;
use std::io::{self, Read, Write};
use std::fs::{File, PathExt};
use std::path::Path;
use std::process;
use std::sync::atomic::{AtomicBool, Ordering, ATOMIC_BOOL_INIT};
@ -66,6 +66,8 @@ pub struct Opts {
/// won't be loaded
pub userscripts: Option<String>,
pub user_stylesheets: Vec<(Vec<u8>, Url)>,
pub output_file: Option<String>,
/// Replace unpaires surrogates in DOM strings with U+FFFD.
@ -241,6 +243,7 @@ pub fn default_opts() -> Opts {
nonincremental_layout: false,
nossl: false,
userscripts: None,
user_stylesheets: Vec::new(),
output_file: None,
replace_surrogates: false,
gc_profile: false,
@ -294,6 +297,8 @@ pub fn from_cmdline_args(args: &[String]) {
opts.optflag("", "no-ssl", "Disables ssl certificate verification.");
opts.optflagopt("", "userscripts",
"Uses userscripts in resources/user-agent-js, or a specified full path","");
opts.optmulti("", "user-stylesheet",
"A user stylesheet to be added to every document", "file.css");
opts.optflag("z", "headless", "Headless mode");
opts.optflag("f", "hard-fail", "Exit on task failure instead of displaying about:failure");
opts.optflagopt("", "devtools", "Start remote devtools server on port", "6000");
@ -329,12 +334,12 @@ pub fn from_cmdline_args(args: &[String]) {
print_debug_usage(app_name)
}
let cwd = env::current_dir().unwrap();
let url = if opt_match.free.is_empty() {
print_usage(app_name, &opts);
args_fail("servo asks that you provide a URL")
} else {
let ref url = opt_match.free[0];
let cwd = env::current_dir().unwrap();
match Url::parse(url) {
Ok(url) => url,
Err(url::ParseError::RelativeUrlWithoutBase) => {
@ -406,6 +411,17 @@ pub fn from_cmdline_args(args: &[String]) {
}
};
let user_stylesheets = opt_match.opt_strs("user-stylesheet").iter().map(|filename| {
let path = cwd.join(filename);
let url = Url::from_file_path(&path).unwrap();
let mut contents = Vec::new();
File::open(path)
.unwrap_or_else(|err| args_fail(&format!("Couldn’t open {}: {}", filename, err)))
.read_to_end(&mut contents)
.unwrap_or_else(|err| args_fail(&format!("Couldn’t read {}: {}", filename, err)));
(contents, url)
}).collect();
let opts = Opts {
url: Some(url),
paint_threads: paint_threads,
@ -419,6 +435,7 @@ pub fn from_cmdline_args(args: &[String]) {
nonincremental_layout: nonincremental_layout,
nossl: nossl,
userscripts: opt_match.opt_default("userscripts", ""),
user_stylesheets: user_stylesheets,
output_file: opt_match.opt_str("o"),
replace_surrogates: debug_options.contains(&"replace-surrogates"),
gc_profile: debug_options.contains(&"gc-profile"),