Skip to content
This repository has been archived by the owner on Oct 30, 2018. It is now read-only.

Commit

Permalink
Merge pull request #855 from mojit0/develop
Browse files Browse the repository at this point in the history 
Fix lint errors.
  • Loading branch information
@mojit0
mojit0 committed Dec 12, 2012
2 parents 55af791 + a1c5365 commit 5c54fb4
Showing 1 changed file with 124 additions and 125 deletions.
249 changes: 124 additions & 125 deletions lib/management/cli.js
View file
Expand Up @@ -9,7 +9,7 @@

(function() {

'use strict';
'use strict';

/**
* @fileoverview Mojito command loader/execution harness. The cli parses the
Expand All @@ -33,164 +33,163 @@
// Prerequisites
// ----------------------------------------------------------------------------

var utils = require('./utils'),
libpath = require('path');
var utils = require('./utils'),
libpath = require('path');

// ----------------------------------------------------------------------------
// CLI Root Object
// ----------------------------------------------------------------------------

/**
* The Command Line Interpreter object. All testable methods and attributes
* are properties of this object.
*/
function CLI() {
};
/**
* The Command Line Interpreter object. All testable methods and attributes
* are properties of this object.
*/
function CLI() {
}

// ----------------------------------------------------------------------------
// Internal Helper Functions
// ----------------------------------------------------------------------------

/*
* Creates a map keyed by both short and long option names, to simplify lookup
* of option info from command line args.
* @param {Object} optionInfo Option information in the form of an array of
* objects containing option descriptions with the following keys:
* shortName - Short (1-char) option name, without leading dash (e.g. 'v').
* longName - Long option name, without leading dashes (e.g. 'verbose').
* hasValue - True if option requires a value. Optional; default false.
* @return {Object} The option map, an object whose keys are the expanded
* option values such as {'-v': {...}, '--verbose': {...}} and whose values
* are the option info.
*/
CLI._makeOptionMap = function(optionInfo) {
var optionMap = {};

if (optionInfo) {
optionInfo.forEach(function(info) {
if (info.shortName) {
optionMap['-' + info.shortName] = info;
}
if (info.longName) {
optionMap['--' + info.longName] = info;
}
});
}

return optionMap;
}

/*
* Creates a map keyed by both short and long option names, to simplify
* lookup of option info from command line args.
* @param {Object} optionInfo Option information in the form of an array of
* objects containing option descriptions with the following keys:
* shortName - Short (1-char) option name, without leading dash ('v').
* longName - Long option name, without leading dashes ('verbose').
* hasValue - True if option requires a value. Optional; default false.
* @return {Object} The option map, an object whose keys are the expanded
* option values such as {'-v': {...}, '--verbose': {...}} and whose
* values are the option info.
*/
CLI._makeOptionMap = function(optionInfo) {
var optionMap = {};

if (optionInfo) {
optionInfo.forEach(function(info) {
if (info.shortName) {
optionMap['-' + info.shortName] = info;
}
if (info.longName) {
optionMap['--' + info.longName] = info;
}
});
}

/*
* Parses command line args based on the provided option info.
* @param {Array} args A command line argument string split by whitespace.
* @param {Object} optionInfo Option information in the form of an array of
* objects containing option descriptions with the following keys:
* shortName - Short (1-char) option name, without leading dash (e.g. 'v').
* longName - Long option name, without leading dashes (e.g. 'verbose').
* hasValue - True if option requires a value. Optional; default false.
* @return {Object} A map with three keys:
* params - an array of the specified parameters
* options - a map of options, keyed by long name
* errors - an array of error strings for reporting
*/
CLI._parseArgs = function(args, optionInfo) {
var optionMap = CLI._makeOptionMap(optionInfo),
params = [],
options = {},
errors = [],
option,
arg;

if (!args) {
return { params: params, options: options, errors: errors };
}
return optionMap;
};


/*
* Parses command line args based on the provided option info.
* @param {Array} args A command line argument string split by whitespace.
* @param {Object} optionInfo Option information in the form of an array of
* objects containing option descriptions with the following keys:
* shortName - Short (1-char) option name, without leading dash ('v').
* longName - Long option name, without leading dashes ('verbose').
* hasValue - True if option requires a value. Optional; default false.
* @return {Object} A map with three keys:
* params - an array of the specified parameters
* options - a map of options, keyed by long name
* errors - an array of error strings for reporting
*/
CLI._parseArgs = function(args, optionInfo) {
var optionMap = CLI._makeOptionMap(optionInfo),
params = [],
options = {},
errors = [],
option,
arg;

if (!args) {
return { params: params, options: options, errors: errors };
}

while (args.length > 0) {
arg = args.shift();
if (arg.charAt(0) === '-') {
option = optionMap[arg];
if (option) {
if (option.hasValue) {
if (args.length === 0) {
errors.push('Missing value for option: ' + arg);
while (args.length > 0) {
arg = args.shift();
if (arg.charAt(0) === '-') {
option = optionMap[arg];
if (option) {
if (option.hasValue) {
if (args.length === 0) {
errors.push('Missing value for option: ' + arg);
} else {
options[option.longName] = args.shift();
}
} else {
options[option.longName] = args.shift();
options[option.longName] = true;
}
} else {
options[option.longName] = true;
errors.push('Invalid option: ' + arg);
}
} else {
errors.push('Invalid option: ' + arg);
params.push(arg);
}
} else {
params.push(arg);
}
}

return { params: params, options: options, errors: errors };
}
return { params: params, options: options, errors: errors };
};

// ----------------------------------------------------------------------------
// Public Functions
// ----------------------------------------------------------------------------

/**
* Executes command line processing. If a valid command is parsed and loaded the
* command module's run method will be invoked. The command module's exported
* options are used to assist in parsing the command line.
*
*/
CLI.run = function() {
var args = process.argv.slice(2),
commandName = (args.length === 0 ? 'help' : args.shift()),
command,
argInfo;

try {
command = require('mojito-cli-cmd-' + commandName);
} catch (e) {
/**
* Executes command line processing. If a valid command is parsed and loaded
* the command module's run method will be invoked. The command module's
* exported options are used to assist in parsing the command line.
*/
CLI.run = function() {
var args = process.argv.slice(2),
commandName = (args.length === 0 ? 'help' : args.shift()),
command,
argInfo;

try {
command = require(libpath.join(__dirname, '../app/commands/',
commandName));
} catch (e2) {
utils.error('Error loading command: ' + command + ' ' + e2.message,
'mojito <command> [<params>] [<options>]');
return;
command = require('mojito-cli-cmd-' + commandName);
} catch (e) {
try {
command = require(libpath.join(__dirname, '../app/commands/',
commandName));
} catch (e2) {
utils.error('Error loading command: ' + command + ' ' + e2.message,
'mojito <command> [<params>] [<options>]');
return;
}
}
}

if (args.length === 0) {
argInfo = { command: 'help', params: [], options: {} };
} else {
argInfo = CLI._parseArgs(args, command.options);
}

if (argInfo.errors && argInfo.errors.length > 0) {
argInfo.errors.forEach(function(e) {
utils.log(e);
});
utils.error('Invalid command line.', "Try 'mojito help <command>'.");
return;
}

command.run(argInfo.params, argInfo.options, function(err, usg, die) {
if (err) {
utils.error(err, usg, die);
if (args.length === 0) {
argInfo = { command: 'help', params: [], options: {} };
} else {
utils.success('mojito done.');
argInfo = CLI._parseArgs(args, command.options);
}
});
}

if (argInfo.errors && argInfo.errors.length > 0) {
argInfo.errors.forEach(function(e) {
utils.log(e);
});
utils.error('Invalid command line.', "Try 'mojito help <command>'.");
return;
}

command.run(argInfo.params, argInfo.options, function(err, usg, die) {
if (err) {
utils.error(err, usg, die);
} else {
utils.success('mojito done.');
}
});
};

// ----------------------------------------------------------------------------
// EXPORT(S)
// ----------------------------------------------------------------------------

/**
* Export the CLI object, which includes all testable functions.
* @type {Function}
*/
exports = module.exports = CLI;
/**
* Export the CLI object, which includes all testable functions.
* @type {Function}
*/
module.exports = CLI;

}());

0 comments on commit 5c54fb4

Please sign in to comment.