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#!/usr/bin/env node
/*
* Extracts translatable strings from manifest.json files.
*
*/
import fs from 'fs';
import path from 'path';
import { ArgumentParser } from 'argparse';
function fatal(message, code) {
console.log((filename || "manifest2po") + ": " + message);
process.exit(code || 1);
}
const parser = new ArgumentParser();
parser.add_argument('-d', '--directory', { help: "Base directory for input files" });
parser.add_argument('-o', '--output', { help: 'Output file', required: true });
parser.add_argument('files', { nargs: '+', help: "One or more input files", metavar: "FILE" });
const args = parser.parse_args();
const input = args.files;
const entries = { };
/* Filename being parsed */
let filename = null;
/* Now process each file in turn */
step();
function step() {
filename = input.shift();
if (filename === undefined) {
finish();
return;
}
if (path.basename(filename) != "manifest.json")
return step();
/* Qualify the filename if necessary */
let full = filename;
if (args.directory)
full = path.join(args.directory, filename);
fs.readFile(full, { encoding: "utf-8" }, function(err, data) {
if (err)
fatal(err.message);
// There are variables which when not substituted can cause JSON.parse to fail
// Dummy replace them. None variable is going to be translated anyway
const safe_data = data.replace(/@.+?@/gi, 1);
process_manifest(JSON.parse(safe_data));
return step();
});
}
function process_manifest(manifest) {
if (manifest.menu)
process_menu(manifest.menu);
if (manifest.tools)
process_menu(manifest.tools);
if (manifest.bridges)
process_bridges(manifest.bridges);
if (manifest.docs)
process_docs(manifest.docs);
}
function process_keywords(keywords) {
keywords.forEach(v => {
v.matches.forEach(keyword =>
push({
msgid: keyword,
locations: [filename + ":0"]
})
);
});
}
function process_docs(docs) {
docs.forEach(doc => {
push({
msgid: doc.label,
locations: [filename + ":0"]
});
});
}
function process_menu(menu) {
for (const m in menu) {
if (menu[m].label) {
push({
msgid: menu[m].label,
locations: [filename + ":0"]
});
}
if (menu[m].keywords)
process_keywords(menu[m].keywords);
if (menu[m].docs)
process_docs(menu[m].docs);
}
}
function process_bridges(bridges) {
for (const b in bridges) {
if (bridges[b].label) {
push({
msgid: bridges[b].label,
locations: [filename + ":0"]
});
}
}
}
/* Push an entry onto the list */
function push(entry) {
const key = entry.msgid + "\0" + entry.msgid_plural + "\0" + entry.msgctxt;
const 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) {
const 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() {
const 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"',
'',
];
for (const msgid in entries) {
const 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('');
}
const data = result.join('\n');
if (!args.output) {
process.stdout.write(data);
process.exit(0);
} else {
fs.writeFile(args.output, data, function(err) {
if (err)
fatal(err.message);
process.exit(0);
});
}
}
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