135 lines
3.9 KiB
JavaScript
135 lines
3.9 KiB
JavaScript
// Generated by CoffeeScript 1.6.3
|
|
/**
|
|
Most of the code adopted from the npm package shell completion code.
|
|
See https://github.com/isaacs/npm/blob/master/lib/completion.js
|
|
*/
|
|
|
|
var Q, complete, dumpScript, escape, getOpts, unescape;
|
|
|
|
Q = require('q');
|
|
|
|
escape = require('./shell').escape;
|
|
|
|
unescape = require('./shell').unescape;
|
|
|
|
module.exports = function() {
|
|
return this.title('Shell completion').helpful().arg().name('raw').title('Completion words').arr().end().act(function(opts, args) {
|
|
var argv, cmd, e, _ref;
|
|
if (process.platform === 'win32') {
|
|
e = new Error('shell completion not supported on windows');
|
|
e.code = 'ENOTSUP';
|
|
e.errno = require('constants').ENOTSUP;
|
|
return this.reject(e);
|
|
}
|
|
if ((process.env.COMP_CWORD == null) || (process.env.COMP_LINE == null) || (process.env.COMP_POINT == null)) {
|
|
return dumpScript(this._cmd._name);
|
|
}
|
|
console.error('COMP_LINE: %s', process.env.COMP_LINE);
|
|
console.error('COMP_CWORD: %s', process.env.COMP_CWORD);
|
|
console.error('COMP_POINT: %s', process.env.COMP_POINT);
|
|
console.error('args: %j', args.raw);
|
|
opts = getOpts(args.raw);
|
|
_ref = this._cmd._parseCmd(opts.partialWords), cmd = _ref.cmd, argv = _ref.argv;
|
|
return Q.when(complete(cmd, opts), function(compls) {
|
|
console.error('filtered: %j', compls);
|
|
return console.log(compls.map(escape).join('\n'));
|
|
});
|
|
});
|
|
};
|
|
|
|
dumpScript = function(name) {
|
|
var defer, fs, path;
|
|
fs = require('fs');
|
|
path = require('path');
|
|
defer = Q.defer();
|
|
fs.readFile(path.resolve(__dirname, 'completion.sh'), 'utf8', function(err, d) {
|
|
var onError;
|
|
if (err) {
|
|
return defer.reject(err);
|
|
}
|
|
d = d.replace(/{{cmd}}/g, path.basename(name)).replace(/^\#\!.*?\n/, '');
|
|
onError = function(err) {
|
|
if (err.errno === require('constants').EPIPE) {
|
|
process.stdout.removeListener('error', onError);
|
|
return defer.resolve();
|
|
} else {
|
|
return defer.reject(err);
|
|
}
|
|
};
|
|
process.stdout.on('error', onError);
|
|
return process.stdout.write(d, function() {
|
|
return defer.resolve();
|
|
});
|
|
});
|
|
return defer.promise;
|
|
};
|
|
|
|
getOpts = function(argv) {
|
|
var i, line, partialLine, partialWord, partialWords, point, w, word, words;
|
|
line = process.env.COMP_LINE;
|
|
w = +process.env.COMP_CWORD;
|
|
point = +process.env.COMP_POINT;
|
|
words = argv.map(unescape);
|
|
word = words[w];
|
|
partialLine = line.substr(0, point);
|
|
partialWords = words.slice(0, w);
|
|
partialWord = argv[w] || '';
|
|
i = partialWord.length;
|
|
while (partialWord.substr(0, i) !== partialLine.substr(-1 * i) && i > 0) {
|
|
i--;
|
|
}
|
|
partialWord = unescape(partialWord.substr(0, i));
|
|
if (partialWord) {
|
|
partialWords.push(partialWord);
|
|
}
|
|
return {
|
|
line: line,
|
|
w: w,
|
|
point: point,
|
|
words: words,
|
|
word: word,
|
|
partialLine: partialLine,
|
|
partialWords: partialWords,
|
|
partialWord: partialWord
|
|
};
|
|
};
|
|
|
|
complete = function(cmd, opts) {
|
|
var compls, m, o, opt, optPrefix, optWord;
|
|
compls = [];
|
|
if (opts.partialWord.indexOf('-')) {
|
|
compls = Object.keys(cmd._cmdsByName);
|
|
} else {
|
|
if (m = opts.partialWord.match(/^(--\w[\w-_]*)=(.*)$/)) {
|
|
optWord = m[1];
|
|
optPrefix = optWord + '=';
|
|
} else {
|
|
compls = Object.keys(cmd._optsByKey);
|
|
}
|
|
}
|
|
if (!(o = opts.partialWords[opts.w - 1]).indexOf('-')) {
|
|
optWord = o;
|
|
}
|
|
if (optWord && (opt = cmd._optsByKey[optWord])) {
|
|
if (!opt._flag && opt._comp) {
|
|
compls = Q.join(compls, Q.when(opt._comp(opts), function(c, o) {
|
|
return c.concat(o.map(function(v) {
|
|
return (optPrefix || '') + v;
|
|
}));
|
|
}));
|
|
}
|
|
}
|
|
if (cmd._comp) {
|
|
compls = Q.join(compls, Q.when(cmd._comp(opts)), function(c, o) {
|
|
return c.concat(o);
|
|
});
|
|
}
|
|
return Q.when(compls, function(compls) {
|
|
console.error('partialWord: %s', opts.partialWord);
|
|
console.error('compls: %j', compls);
|
|
return compls.filter(function(c) {
|
|
return c.indexOf(opts.partialWord) === 0;
|
|
});
|
|
});
|
|
};
|