web3.js/lib/solidity/real.js

var f = require('./formatters');
var SolidityType = require('./type');

/**
 * SolidityTypeReal is a prootype that represents real type
 * It matches:
 * real
 * real[]
 * real[4]
 * real[][]
 * real[3][]
 * real[][6][], ...
 * real32
 * real64[]
 * real8[4]
 * real256[][]
 * real[3][]
 * real64[][6][], ...
 */
var SolidityTypeReal = function () {
    this._inputFormatter = f.formatInputReal;
    this._outputFormatter = f.formatOutputReal;
};

SolidityTypeReal.prototype = new SolidityType({});
SolidityTypeReal.prototype.constructor = SolidityTypeReal;

SolidityTypeReal.prototype.isType = function (name) {
    return !!name.match(/real([0-9]*)?(\[([0-9]*)\])?/);
};

SolidityTypeReal.prototype.staticPartLength = function (name) {
    return 32 * this.staticArrayLength(name);
};

SolidityTypeReal.prototype.isDynamicArray = function (name) {
    var matches = name.match(/real([0-9]*)?(\[([0-9]*)\])?/);
    // is array && doesn't have length specified
    return !!matches[2] && !matches[3];
};

SolidityTypeReal.prototype.isStaticArray = function (name) {
    var matches = name.match(/real([0-9]*)?(\[([0-9]*)\])?/);
    // is array && have length specified
    return !!matches[2] && !!matches[3];
};

SolidityTypeReal.prototype.staticArrayLength = function (name) {
    return name.match(/real([0-9]*)?(\[([0-9]*)\])?/)[3] || 1;
};

SolidityTypeReal.prototype.nestedName = function (name) {
    // removes first [] in name
    return name.replace(/\[([0-9])*\]/, '');
};

module.exports = SolidityTypeReal;