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-rw-r--r--js/misc/fileUtils.js117
1 files changed, 117 insertions, 0 deletions
diff --git a/js/misc/fileUtils.js b/js/misc/fileUtils.js
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+++ b/js/misc/fileUtils.js
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+// -*- mode: js; js-indent-level: 4; indent-tabs-mode: nil -*-
+/* exported collectFromDatadirs, recursivelyDeleteDir,
+ recursivelyMoveDir, loadInterfaceXML, loadSubInterfaceXML */
+
+const { Gio, GLib } = imports.gi;
+const Config = imports.misc.config;
+
+function collectFromDatadirs(subdir, includeUserDir, processFile) {
+ let dataDirs = GLib.get_system_data_dirs();
+ if (includeUserDir)
+ dataDirs.unshift(GLib.get_user_data_dir());
+
+ for (let i = 0; i < dataDirs.length; i++) {
+ let path = GLib.build_filenamev([dataDirs[i], 'gnome-shell', subdir]);
+ let dir = Gio.File.new_for_path(path);
+
+ let fileEnum;
+ try {
+ fileEnum = dir.enumerate_children('standard::name,standard::type',
+ Gio.FileQueryInfoFlags.NONE, null);
+ } catch (e) {
+ fileEnum = null;
+ }
+ if (fileEnum != null) {
+ let info;
+ while ((info = fileEnum.next_file(null)))
+ processFile(fileEnum.get_child(info), info);
+ }
+ }
+}
+
+function recursivelyDeleteDir(dir, deleteParent) {
+ let children = dir.enumerate_children('standard::name,standard::type',
+ Gio.FileQueryInfoFlags.NONE, null);
+
+ let info;
+ while ((info = children.next_file(null)) != null) {
+ let type = info.get_file_type();
+ let child = dir.get_child(info.get_name());
+ if (type == Gio.FileType.REGULAR)
+ child.delete(null);
+ else if (type == Gio.FileType.DIRECTORY)
+ recursivelyDeleteDir(child, true);
+ }
+
+ if (deleteParent)
+ dir.delete(null);
+}
+
+function recursivelyMoveDir(srcDir, destDir) {
+ let children = srcDir.enumerate_children('standard::name,standard::type',
+ Gio.FileQueryInfoFlags.NONE, null);
+
+ if (!destDir.query_exists(null))
+ destDir.make_directory_with_parents(null);
+
+ let info;
+ while ((info = children.next_file(null)) != null) {
+ let type = info.get_file_type();
+ let srcChild = srcDir.get_child(info.get_name());
+ let destChild = destDir.get_child(info.get_name());
+ if (type == Gio.FileType.REGULAR)
+ srcChild.move(destChild, Gio.FileCopyFlags.NONE, null, null);
+ else if (type == Gio.FileType.DIRECTORY)
+ recursivelyMoveDir(srcChild, destChild);
+ }
+}
+
+let _ifaceResource = null;
+function ensureIfaceResource() {
+ if (_ifaceResource)
+ return;
+
+ // don't use global.datadir so the method is usable from tests/tools
+ let dir = GLib.getenv('GNOME_SHELL_DATADIR') || Config.PKGDATADIR;
+ let path = `${dir}/gnome-shell-dbus-interfaces.gresource`;
+ _ifaceResource = Gio.Resource.load(path);
+ _ifaceResource._register();
+}
+
+function loadInterfaceXML(iface) {
+ ensureIfaceResource();
+
+ let uri = `resource:///org/gnome/shell/dbus-interfaces/${iface}.xml`;
+ let f = Gio.File.new_for_uri(uri);
+
+ try {
+ let [ok_, bytes] = f.load_contents(null);
+ return imports.byteArray.toString(bytes);
+ } catch (e) {
+ log(`Failed to load D-Bus interface ${iface}`);
+ }
+
+ return null;
+}
+
+function loadSubInterfaceXML(iface, ifaceFile) {
+ let xml = loadInterfaceXML(ifaceFile);
+ if (!xml)
+ return null;
+
+ let ifaceStartTag = `<interface name="${iface}">`;
+ let ifaceStopTag = '</interface>';
+ let ifaceStartIndex = xml.indexOf(ifaceStartTag);
+ let ifaceEndIndex = xml.indexOf(ifaceStopTag, ifaceStartIndex + 1) + ifaceStopTag.length;
+
+ let xmlHeader = '<!DOCTYPE node PUBLIC\n' +
+ '\'-//freedesktop//DTD D-BUS Object Introspection 1.0//EN\'\n' +
+ '\'http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd\'>\n' +
+ '<node>\n';
+ let xmlFooter = '</node>';
+
+ return (
+ xmlHeader +
+ xml.substr(ifaceStartIndex, ifaceEndIndex - ifaceStartIndex) +
+ xmlFooter);
+}