mirror of
https://github.com/shivammathur/setup-php.git
synced 2024-11-23 04:11:06 +07:00
466 lines
11 KiB
JavaScript
466 lines
11 KiB
JavaScript
var PATH = require( 'path' ),
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toString = Object.prototype.toString,
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rhome = /^\~\//,
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rroot = /^\//,
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rlistcsv = /^(list|csv)\,[a-z]+$/,
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rdash = /^\-/,
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rddash = /^\-\-/,
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ristarget = /^[^\-]/,
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SCRIPT_NAME = ( process.argv[ 1 ] || '' ).split( '/' ).pop(),
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helpOption = {
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name: 'help',
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short: 'h',
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type: function(){ return true; },
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description: 'Displays help information about this script',
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example: "'" + SCRIPT_NAME + " -h' or '" + SCRIPT_NAME + " --help'",
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onset: function( args ) {
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self.help( args.mod );
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process.exit( 0 );
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}
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},
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boolTest = function( value ) {
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return value == 'true' || value == 'false' || value == '1' || value == '0';
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},
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self;
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// argv module
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module.exports = self = {
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// Default script name
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name: SCRIPT_NAME,
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// Default description to the triggered script 'node script'
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description: 'Usage: ' + SCRIPT_NAME + ' [options]',
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// Modules
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mods: {},
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// Shorthand options
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short: { h: helpOption },
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// Options
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options: { help: helpOption },
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// List of common types
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types: {
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string: function( value ) {
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return value.toString();
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},
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path: function( value ) {
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var end = value[ value.length - 1 ] == '/';
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if ( rhome.exec( value ) ) {
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value = PATH.normalize( process.env.HOME + '/' + value.replace( rhome, '' ) );
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}
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else if ( ! rroot.exec( value ) ) {
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value = PATH.normalize( process.cwd() + '/' + value );
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}
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return value + ( end && value[ value.length - 1 ] != '/' ? '/' : '' );
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},
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'int': function( value ) {
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return parseInt( value, 10 );
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},
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'float': function( value ) {
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return parseFloat( value, 10 );
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},
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'boolean': function( value ) {
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return ( value == 'true' || value === '1' );
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},
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list: function( value, name, options ) {
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if ( ! options[ name ] ) {
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options[ name ] = [];
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}
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options[ name ].push( value );
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return options[ name ];
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},
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csv: function( value ) {
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return value.split( ',' );
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},
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'listcsv-combo': function( type ) {
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var parts = type.split( ',' ),
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primary = parts.shift(),
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secondary = parts.shift();
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return function( value, name, options, args ) {
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// Entry is going to be an array
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if ( ! options[ name ] ) {
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options[ name ] = [];
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}
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// Channel to csv or list
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if ( primary == 'csv' ) {
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value.split( ',' ).forEach(function( val ) {
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options[ name ].push( self.types[ secondary ]( val, name, options, args ) );
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});
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}
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else {
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options[ name ].push( self.types[ secondary ]( value, name, options, args ) );
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}
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return options[ name ];
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};
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}
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},
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// Creates custom type function
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type: function( name, callback ) {
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if ( self.isObject( name ) ) {
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for ( var i in name ) {
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if ( self.isFunction( name[ i ] ) ) {
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self.types[ i ] = name[ i ];
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}
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}
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}
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else if ( callback === undefined ) {
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return self.types[ name ];
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}
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else if ( self.isFunction( callback ) ) {
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self.types[ name ] = callback;
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}
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else if ( callback === null && self.types.hasOwnProperty( name ) ) {
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delete self.types[ name ];
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}
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return self;
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},
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// Setting version number, and auto setting version option
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version: function( v ) {
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self.option({
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_version: v,
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name: 'version',
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type: function(){ return true; },
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description: 'Displays version info',
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example: self.name + " --version",
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onset: function( args ) {
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console.log( v + "\n" );
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process.exit( 0 );
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}
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});
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return self;
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},
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// Adding options to definitions list
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option: function( mod, object ) {
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if ( object === undefined ) {
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object = mod;
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mod = undefined;
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}
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// Iterate over array for multi entry
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if ( self.isArray( object ) ) {
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object.forEach(function( entry ) {
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self.option( mod, entry );
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});
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}
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// Handle edge case
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else if ( ! self.isObject( object ) ) {
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throw new Error( 'No option definition provided' + ( mod ? ' for module ' + mod : '' ) );
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}
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// Handle module definition
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else if ( object.mod ) {
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self.mod( object );
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}
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// Correct the object
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else {
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if ( ! object.name ) {
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throw new Error( 'No name provided for option' );
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}
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else if ( ! object.type ) {
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throw new Error( 'No type proveded for option' );
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}
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// Attach tester for value on booleans
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// to avoid false targets
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object.test = object.test || ( object.type == 'boolean' ? boolTest : null );
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object.description = object.description || '';
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object.type = self.isFunction( object.type ) ? object.type :
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self.isString( object.type ) && rlistcsv.exec( object.type ) ? self.types[ 'listcsv-combo' ]( object.type ) :
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self.isString( object.type ) && self.types[ object.type ] ? self.types[ object.type ] :
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self.types.string;
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// Apply to module
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if ( mod ) {
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if ( ! self.mods[ mod ] ) {
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self.mods[ mod ] = { mod: mod, options: {}, short: {} };
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}
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// Attach option to submodule
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mod = self.mods[ mod ];
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mod.options[ object.name ] = object;
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// Attach shorthand
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if ( object.short ) {
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mod.short[ object.short ] = object;
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}
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}
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// Apply to root options
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else {
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self.options[ object.name ] = object;
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// Attach shorthand option
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if ( object.short ) {
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self.short[ object.short ] = object;
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}
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}
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}
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return self;
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},
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// Creating module
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mod: function( object ) {
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var mod;
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// Allow multi mod setup
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if ( self.isArray( object ) ) {
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object.forEach(function( value ) {
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self.mod( value );
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});
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}
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// Handle edge case
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else if ( ! self.isObject( object ) ) {
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throw new Error( 'No mod definition provided' );
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}
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// Force mod name
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else if ( ! object.mod ) {
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throw new Error( "Expecting 'mod' entry for module" );
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}
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// Create object if not already done so
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else if ( ! self.mods[ object.mod ] ) {
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self.mods[ object.mod ] = { mod: object.mod, options: {}, short: {} };
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}
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// Setup
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mod = self.mods[ object.mod ];
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mod.description = object.description || mod.description;
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// Attach each option
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self.option( mod.mod, object.options );
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return self;
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},
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// Cleans out current options
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clear: function(){
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var version = self.options.version;
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// Clean out modes and reapply help option
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self.short = {};
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self.options = {};
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self.mods = {};
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self.option( helpOption );
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// Re-apply version if set
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if ( version ) {
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self.option( version );
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}
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return self;
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},
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// Description setup
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info: function( mod, description ) {
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if ( description === undefined ) {
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self.description = mod;
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}
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else if ( self.mods[ mod ] ) {
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self.mods[ mod ] = description;
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}
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return self;
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},
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// Prints out the help doc
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help: function( mod ) {
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var output = [], name, option;
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// Printing out just a module's definitions
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if ( mod && ( mod = self.mods[ mod ] ) ) {
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output = [ '', mod.description, '' ];
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for ( name in mod.options ) {
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option = mod.options[ name ];
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output.push( "\t--" +option.name + ( option.short ? ', -' + option.short : '' ) );
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output.push( "\t\t" + option.description );
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if ( option.example ) {
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output.push( "\t\t" + option.example );
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}
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// Spacing
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output.push( "" );
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}
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}
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// Printing out just the root options
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else {
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output = [ '', self.description, '' ];
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for ( name in self.options ) {
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option = self.options[ name ];
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output.push( "\t--" +option.name + ( option.short ? ', -' + option.short : '' ) );
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output.push( "\t\t" + option.description );
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if ( option.example ) {
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output.push( "\t\t" + option.example );
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}
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// Spacing
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output.push( "" );
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}
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}
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// Print out the output
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console.log( output.join( "\n" ) + "\n\n" );
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return self;
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},
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// Runs the arguments parser
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_run: function( argv ) {
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var args = { targets: [], options: {} },
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opts = self.options,
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shortOpts = self.short,
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skip = false;
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// Allow for passing of arguments list
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argv = self.isArray( argv ) ? argv : process.argv.slice( 2 );
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// Switch to module's options when used
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if ( argv.length && ristarget.exec( argv[ 0 ] ) && self.mods[ argv[ 0 ] ] ) {
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args.mod = argv.shift();
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opts = self.mods[ args.mod ].options;
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shortOpts = self.mods[ args.mod ].short;
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}
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// Iterate over arguments
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argv.forEach(function( arg, i ) {
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var peek = argv[ i + 1 ], option, index, value;
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// Allow skipping of arguments
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if ( skip ) {
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return ( skip = false );
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}
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// Full option '--option'
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else if ( rddash.exec( arg ) ) {
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arg = arg.replace( rddash, '' );
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// Default no value to true
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if ( ( index = arg.indexOf( '=' ) ) !== -1 ) {
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value = arg.substr( index + 1 );
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arg = arg.substr( 0, index );
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}
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else {
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value = 'true';
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}
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// Be strict, if option doesn't exist, throw and error
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if ( ! ( option = opts[ arg ] ) ) {
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throw "Option '--" + arg + "' not supported";
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}
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// Send through type converter
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args.options[ arg ] = option.type( value, arg, args.options, args );
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// Trigger onset callback when option is set
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if ( self.isFunction( option.onset ) ) {
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option.onset( args );
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}
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}
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// Shorthand option '-o'
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else if ( rdash.exec( arg ) ) {
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arg = arg.replace( rdash, '' );
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if ( arg.length > 1 ) {
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arg.split( '' ).forEach(function( character ) {
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if ( ! ( option = shortOpts[ character ] ) ) {
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throw "Option '-" + character + "' not supported";
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}
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args.options[ option.name ] = option.type( 'true', option.name, args.options, args );
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});
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}
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else {
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// Ensure that an option exists
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if ( ! ( option = shortOpts[ arg ] ) ) {
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throw "Option '-" + arg + "' not supported";
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}
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// Check next option for target association
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if ( peek && option.test && option.test( peek, option.name, args.options, args ) ) {
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value = peek;
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skip = true;
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}
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else if ( peek && ! option.test && ristarget.exec( peek ) ) {
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value = peek;
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skip = true;
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}
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else {
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value = 'true';
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}
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// Convert it
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args.options[ option.name ] = option.type( value, option.name, args.options, args );
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// Trigger onset callback when option is set
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if ( self.isFunction( option.onset ) ) {
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option.onset( args );
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}
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}
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}
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// Targets
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else {
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args.targets.push( arg );
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}
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});
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return args;
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},
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run: function( argv ) {
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try {
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return self._run( argv );
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}
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catch ( e ) {
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if ( ! self.isString( e ) ) {
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throw e;
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}
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console.log( "\n" + e + ". Trigger '" + self.name + " -h' for more details.\n\n" );
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process.exit( 1 );
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}
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}
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};
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// Type tests
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"Boolean Number String Function Array Date RegExp Object Error".split(' ').forEach(function( method ) {
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if ( method == 'Array' ) {
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return ( self.isArray = Array.isArray );
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}
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else if ( method == 'Error' ) {
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self.isError = function( object ) {
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return object && ( object instanceof Error );
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};
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return;
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}
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var match = '[object ' + method + ']';
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self[ 'is' + method ] = function( object ) {
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return object !== undefined && object !== null && toString.call( object ) == match;
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};
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});
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