85 lines
2.2 KiB
JavaScript
85 lines
2.2 KiB
JavaScript
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"use strict";
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// Dependencies
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var Ul = require("ul"),
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IterateObject = require("iterate-object");
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/**
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* OArgv
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* Stringifies the options, building a command.
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*
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* @name OArgv
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* @function
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* @param {Object} options The options that should be stringified. If it contains
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* the `_` field, then this should be an `Array` of strings, that representing values
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* that will be added at the end of the command. The `__` field is the separator (default: `" "`).
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* @param {String} prgm The program that executes the command (default: `""`).
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* @param {Boolean} stringify If `true`, the result array will be stringified (default: `false`).
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* @return {String|Array} The stringified arguments (if `stringify` is `true`) or the array of arguments.
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*/
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var OArgv = module.exports = function (options, prgm, stringify) {
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// Variables
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var sOpts = [],
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c = null,
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escape = JSON.stringify;
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if (typeof prgm === "boolean") {
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stringify = prgm;
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prgm = null;
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}
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// Defaults
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options = Ul.merge(options, {
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_: [],
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__: OArgv.separator
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});
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if (typeof options._ === "string") {
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options._ = [options._];
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}
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// Options
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IterateObject(options, function (c, k) {
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if (k === "_" || k === "__") {
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return;
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}
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var cArg = (k.length === 1 ? "-" : "--") + k;
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if (c === true) {
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sOpts.push(cArg);
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return;
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}
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if (typeof c === "string" && !Array.isArray(c)) {
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c = [c];
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}
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IterateObject(c, function (cc) {
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var ccArg = cArg;
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if (options.__ !== " ") {
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ccArg += options.__ + cc;
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sOpts.push(ccArg);
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} else {
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sOpts.push(ccArg, cc);
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}
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});
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});
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if (stringify) {
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return (prgm ? prgm + " " : "") + sOpts.map(function (c) {
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return escape(c);
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}).join(" ") + (options._.length ? " " + options._.map(function (c) {
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return escape(c);
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}).join(" ") : "");
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} else {
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if (typeof prgm === "string") {
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sOpts.unshift(prgm);
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}
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sOpts = sOpts.concat(options._);
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return sOpts;
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}
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};
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// Defaults
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OArgv.separator = " ";
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