rename check-theme option into check-themes

Author: GuillaumeGomez

src/librustdoc/config.rs

@@ -282,12 +282,12 @@ impl Options {
         // check for deprecated options
         check_deprecated_options(&matches, &diag);
 
-        let to_check = matches.opt_strs("check-theme");
+        let to_check = matches.opt_strs("check-themes");
         if !to_check.is_empty() {
             let paths = theme::load_css_paths(static_files::themes::LIGHT.as_bytes());
             let mut errors = 0;
 
-            println!("rustdoc: [check-theme] Starting tests! (Ignoring all other arguments)");
+            println!("rustdoc: [check-themes] Starting tests! (Ignoring all other arguments)");
             for theme_file in to_check.iter() {
                 print!(" - Checking \"{}\"...", theme_file);
                 let (success, differences) = theme::test_theme_against(theme_file, &paths, &diag);
@@ -384,7 +384,7 @@ impl Options {
                                                default theme", theme_s))
                         .warn("the theme may appear incorrect when loaded")
                         .help(&format!("to see what rules are missing, call `rustdoc \
-                                        --check-theme \"{}\"`", theme_s))
+                                        --check-themes \"{}\"`", theme_s))
                         .emit();
                 }
                 themes.push(theme_file);

src/librustdoc/html/render.rs

@@ -635,7 +635,7 @@ function handleThemeButtonsBlur(e) {{
 
 themePicker.onclick = switchThemeButtonState;
 themePicker.onblur = handleThemeButtonsBlur;
-[{}].forEach(function(item) {{
+{}.forEach(function(item) {{
     var but = document.createElement('button');
     but.innerHTML = item;
     but.onclick = function(el) {{
@@ -644,10 +644,7 @@ themePicker.onblur = handleThemeButtonsBlur;
     but.onblur = handleThemeButtonsBlur;
     themes.appendChild(but);
 }});"#,
-                 themes.iter()
-                       .map(|s| format!("\"{}\"", s.replace("\\", "\\\\").replace("\"", "\\\"")))
-                       .collect::<Vec<String>>()
-                       .join(","));
+                 as_json(&themes));
     write(cx.dst.join(&format!("theme{}.js", cx.shared.resource_suffix)),
           theme_js.as_bytes()
     )?;

src/librustdoc/html/static_files.rs

@@ -59,7 +59,7 @@ pub static RUST_FAVICON: &'static [u8] = include_bytes!("static/favicon.ico");
 /// The built-in themes given to every documentation site.
 pub mod themes {
     /// The "light" theme, selected by default when no setting is available. Used as the basis for
-    /// the `--check-theme` functionality.
+    /// the `--check-themes` functionality.
     pub static LIGHT: &'static str = include_str!("static/themes/light.css");
 
     /// The "dark" theme.

src/librustdoc/lib.rs

@@ -256,8 +256,8 @@ fn opts() -> Vec<RustcOptGroup> {
                        "additional themes which will be added to the generated docs",
                        "FILES")
         }),
-        stable("check-theme", |o| {
-            o.optmulti("", "check-theme",
+        stable("check-themes", |o| {
+            o.optmulti("", "check-themes",
                        "check if given theme is valid",
                        "FILES")
         }),

src/tools/rustdoc-themes/main.rs

@@ -39,7 +39,7 @@ fn main() {
         exit(1);
     }
     let status = Command::new(rustdoc_bin)
-                        .args(&["-Z", "unstable-options", "--check-theme"])
+                        .args(&["-Z", "unstable-options", "--check-themes"])
                         .args(&themes)
                         .status()
                         .expect("failed to execute child");