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/*
*
* Copyright 2015, Google Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
'use strict';
var fs = require('fs');
var path = require('path');
var _ = require('underscore');
var async = require('async');
var pbjs = require('protobufjs/cli/pbjs');
var parseArgs = require('minimist');
var Mustache = require('mustache');
var package_json = require('../package.json');
var template_path = path.resolve(__dirname, 'service_packager');
var package_tpl_path = path.join(template_path, 'package.json.template');
var arg_format = {
string: ['include', 'out', 'name', 'version'],
alias: {
include: 'i',
out: 'o',
name: 'n',
version: 'v'
}
};
// TODO(mlumish): autogenerate README.md from proto file
function generatePackage(params, callback) {
fs.readFile(package_tpl_path, {encoding: 'utf-8'}, function(err, template) {
if (err) {
callback(err);
} else {
var rendered = Mustache.render(template, params);
callback(null, rendered);
}
});
}
function copyFile(src_path, dest_path) {
fs.createReadStream(src_path).pipe(fs.createWriteStream(dest_path));
}
function main(argv) {
var args = parseArgs(argv, arg_format);
var out_path = path.resolve(args.out);
var include_dirs = _.map(path.resolve, args.include);
args.grpc_version = package_json.version;
generatePackage(args, function(err, rendered) {
if (err) throw err;
fs.writeFile(path.join(out_path, 'package.json'), rendered, function(err) {
if (err) throw err;
});
});
copyFile(path.join(template_path, 'index.js'),
path.join(out_path, 'index.js'));
copyFile(path.join(__dirname, '..', 'LICENSE'),
path.join(out_path, 'LICENSE'));
var service_stream = fs.createWriteStream(path.join(out_path,
'service.json'));
var pbjs_args = _.flatten(['node', 'pbjs',
args._[0],
_.map(include_dirs, function(dir) {
return "-path=" + dir;
})]);
var old_stdout = process.stdout;
process.__defineGetter__('stdout', function() {
return service_stream;
});
var pbjs_status = pbjs.main(pbjs_args);
process.__defineGetter__('stdout', function() {
return old_stdout;
});
if (pbjs_status !== pbjs.STATUS_OK) {
throw new Error('pbjs failed with status code ' + pbjs_status);
}
}
exports.main = main;
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