Add i18n for HTML and manifest

po/manifest2po

@@ -0,0 +1,161 @@
+#!/usr/bin/env node
+
+/*
+ * Extracts translatable strings from manifest.json files.
+ *
+ */
+
+function fatal(message, code) {
+    console.log((filename || "manifest2po") + ": " + message);
+    process.exit(code || 1);
+}
+
+function usage() {
+    console.log("usage: manifest2po [-o output] input...");
+    process.exit(2);
+}
+
+var fs, path, stdio;
+
+try {
+    fs = require('fs');
+    path = require('path');
+    stdio = require('stdio');
+} catch (ex) {
+    fatal(ex.message, 127); /* missing looks for this */
+}
+
+var opts = stdio.getopt({
+    directory: { key: "d", args: 1, description: "Base directory for input files" },
+    output: { key: "o", args: 1, description: "Output file" },
+    from: { key: "f", args: 1, description: "File containing list of input files" },
+});
+
+if (!opts.from && opts.args.length < 1) {
+    usage();
+}
+
+var input = opts.args;
+var entries = { };
+
+/* Filename being parsed */
+var filename = null;
+
+prepare();
+
+/* Decide what input files to process */
+function prepare() {
+    if (opts.from) {
+        fs.readFile(opts.from, { encoding: "utf-8"}, function(err, data) {
+            if (err)
+                fatal(err.message);
+            input = data.split("\n").filter(function(value) {
+                return !!value;
+            }).concat(input);
+            step();
+        });
+    } else {
+        step();
+    }
+}
+
+/* Now process each file in turn */
+function step() {
+    filename = input.shift();
+    if (filename === undefined) {
+        finish();
+        return;
+    }
+
+    if (path.basename(filename) != "manifest.json")
+        return step();
+
+    fs.readFile(filename, { encoding: "utf-8"}, function(err, data) {
+        if (err)
+            fatal(err.message);
+
+        process_manifest(JSON.parse(data));
+
+        return step();
+    });
+}
+
+function process_manifest(manifest) {
+    if (manifest.menu)
+        process_menu(manifest.menu);
+    if (manifest.tools)
+        process_menu(manifest.tools);
+}
+
+function process_menu(menu) {
+    for (var m in menu) {
+        if (menu[m].label) {
+            push({
+                msgid: menu[m].label,
+                locations: [ filename ]
+            });
+        }
+    }
+}
+
+/* Push an entry onto the list */
+function push(entry) {
+    var key = entry.msgid + "\0" + entry.msgid_plural + "\0" + entry.msgctxt;
+    var prev = entries[key];
+    if (prev) {
+        prev.locations = prev.locations.concat(entry.locations);
+    } else {
+        entries[key] = entry;
+    }
+}
+
+/* Escape a string for inclusion in po file */
+function escape(string) {
+    var bs = string.split('\\').join('\\\\').split('"').join('\\"');
+    return bs.split("\n").map(function(line) {
+        return '"' + line + '"';
+    }).join("\n");
+}
+
+/* Finish by writing out the strings */
+function finish() {
+    var result = [
+        'msgid ""',
+        'msgstr ""',
+        '"Project-Id-Version: PACKAGE_VERSION\\n"',
+        '"MIME-Version: 1.0\\n"',
+        '"Content-Type: text/plain; charset=UTF-8\\n"',
+        '"Content-Transfer-Encoding: 8bit\\n"',
+        '"X-Generator: Cockpit manifest2po\\n"',
+        '',
+    ];
+
+    var msgid, entry;
+    for (msgid in entries) {
+        entry = entries[msgid];
+        result.push('#: ' + entry.locations.join(" "));
+        if (entry.msgctxt)
+            result.push('msgctxt ' + escape(entry.msgctxt));
+        result.push('msgid ' + escape(entry.msgid));
+        if (entry.msgid_plural) {
+            result.push('msgid_plural ' + escape(entry.msgid_plural));
+            result.push('msgstr[0] ""');
+            result.push('msgstr[1] ""');
+        } else {
+            result.push('msgstr ""');
+        }
+        result.push('');
+    }
+
+    var data = result.join('\n');
+    if (!opts.output) {
+        process.stdout.write(data);
+        process.exit(0);
+    } else {
+        fs.writeFile(opts.output, data, function(err) {
+            if (err)
+                fatal(err.message);
+            process.exit(0);
+        });
+    }
+}