mirror of
https://github.com/NativeScript/NativeScript.git
synced 2025-08-15 19:26:42 +08:00
393 lines
15 KiB
TypeScript
393 lines
15 KiB
TypeScript
import definition = require("console");
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import trace = require("trace");
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import platform = require("platform");
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export class Console implements definition.Console {
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private TAG: string = "JS";
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private _timers: any;
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private _stripFirstTwoLinesRegEx: RegExp;
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constructor() {
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this._timers = {};
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this._stripFirstTwoLinesRegEx = /^([^\n]*?\n){2}((.|\n)*)$/gmi;
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}
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private sprintf(message: any) {
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// discuss at: http://phpjs.org/functions/sprintf/
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// original by: Ash Searle (http://hexmen.com/blog/)
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// improved by: Michael White (http://getsprink.com)
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// improved by: Jack
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// improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
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// improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
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// improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
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// improved by: Dj
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// improved by: Allidylls
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// input by: Paulo Freitas
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// input by: Brett Zamir (http://brett-zamir.me)
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// example 1: sprintf("%01.2f", 123.1);
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// returns 1: 123.10
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// example 2: sprintf("[%10s]", 'monkey');
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// returns 2: '[ monkey]'
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// example 3: sprintf("[%'#10s]", 'monkey');
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// returns 3: '[####monkey]'
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// example 4: sprintf("%d", 123456789012345);
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// returns 4: '123456789012345'
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// example 5: sprintf('%-03s', 'E');
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// returns 5: 'E00'
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var regex = /%%|%(\d+\$)?([-+\'#0 ]*)(\*\d+\$|\*|\d+)?(\.(\*\d+\$|\*|\d+))?([scboxXuideEfFgGj])/g;
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var a = arguments;
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var i = 0;
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var format = a[i++];
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// pad()
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var pad = function (str, len, chr, leftJustify) {
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if (!chr) {
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chr = ' ';
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}
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var padding = (str.length >= len) ? '' : new Array(1 + len - str.length >>> 0)
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.join(chr);
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return leftJustify ? str + padding : padding + str;
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};
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// justify()
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var justify = function (value, prefix, leftJustify, minWidth, zeroPad, customPadChar?) {
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var diff = minWidth - value.length;
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if (diff > 0) {
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if (leftJustify || !zeroPad) {
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value = pad(value, minWidth, customPadChar, leftJustify);
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} else {
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value = value.slice(0, prefix.length) + pad('', diff, '0', true) + value.slice(prefix.length);
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}
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}
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return value;
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};
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// formatBaseX()
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var formatBaseX = function (value, base, prefix, leftJustify, minWidth, precision, zeroPad) {
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// Note: casts negative numbers to positive ones
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var number = value >>> 0;
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prefix = prefix && number && {
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'2': '0b',
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'8': '0',
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'16': '0x'
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}[base] || '';
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value = prefix + pad(number.toString(base), precision || 0, '0', false);
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return justify(value, prefix, leftJustify, minWidth, zeroPad);
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};
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// formatString()
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var formatString = function (value, leftJustify, minWidth, precision, zeroPad, customPadChar?) {
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if (precision != null) {
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value = value.slice(0, precision);
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}
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return justify(value, '', leftJustify, minWidth, zeroPad, customPadChar);
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};
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var that = this;
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// doFormat()
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var doFormat = function (substring, valueIndex, flags, minWidth, _, precision, type) {
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var number, prefix, method, textTransform, value;
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if (substring === '%%') {
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return '%';
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}
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// parse flags
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var leftJustify = false;
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var positivePrefix = '';
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var zeroPad = false;
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var prefixBaseX = false;
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var customPadChar = ' ';
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var flagsl = flags.length;
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for (var j = 0; flags && j < flagsl; j++) {
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switch (flags.charAt(j)) {
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case ' ':
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positivePrefix = ' ';
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break;
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case '+':
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positivePrefix = '+';
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break;
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case '-':
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leftJustify = true;
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break;
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case "'":
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customPadChar = flags.charAt(j + 1);
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break;
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case '0':
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zeroPad = true;
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customPadChar = '0';
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break;
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case '#':
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prefixBaseX = true;
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break;
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}
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}
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// parameters may be null, undefined, empty-string or real valued
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// we want to ignore null, undefined and empty-string values
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if (!minWidth) {
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minWidth = 0;
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} else if (minWidth === '*') {
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minWidth = +a[i++];
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} else if (minWidth.charAt(0) === '*') {
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minWidth = +a[minWidth.slice(1, -1)];
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} else {
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minWidth = +minWidth;
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}
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// Note: undocumented perl feature:
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if (minWidth < 0) {
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minWidth = -minWidth;
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leftJustify = true;
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}
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if (!isFinite(minWidth)) {
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throw new Error('sprintf: (minimum-)width must be finite');
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}
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if (!precision) {
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precision = 'fFeE'.indexOf(type) > -1 ? 6 : (type === 'd') ? 0 : undefined;
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} else if (precision === '*') {
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precision = +a[i++];
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} else if (precision.charAt(0) === '*') {
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precision = +a[precision.slice(1, -1)];
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} else {
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precision = +precision;
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}
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// grab value using valueIndex if required?
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value = valueIndex ? a[valueIndex.slice(0, -1)] : a[i++];
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switch (type) {
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case 's':
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return formatString(String(value), leftJustify, minWidth, precision, zeroPad, customPadChar);
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case 'c':
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return formatString(String.fromCharCode(+value), leftJustify, minWidth, precision, zeroPad);
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case 'b':
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return formatBaseX(value, 2, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
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case 'o':
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return formatBaseX(value, 8, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
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case 'x':
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return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
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case 'X':
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return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad)
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.toUpperCase();
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case 'u':
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return formatBaseX(value, 10, prefixBaseX, leftJustify, minWidth, precision, zeroPad);
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case 'i':
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case 'd':
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number = +value || 0;
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// Plain Math.round doesn't just truncate
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number = Math.round(number - number % 1);
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prefix = number < 0 ? '-' : positivePrefix;
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value = prefix + pad(String(Math.abs(number)), precision, '0', false);
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return justify(value, prefix, leftJustify, minWidth, zeroPad);
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case 'e':
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case 'E':
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case 'f': // Should handle locales (as per setlocale)
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case 'F':
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case 'g':
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case 'G':
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number = +value;
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prefix = number < 0 ? '-' : positivePrefix;
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method = ['toExponential', 'toFixed', 'toPrecision']['efg'.indexOf(type.toLowerCase())];
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textTransform = ['toString', 'toUpperCase']['eEfFgG'.indexOf(type) % 2];
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value = prefix + Math.abs(number)[method](precision);
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return justify(value, prefix, leftJustify, minWidth, zeroPad)[textTransform]();
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case 'j':
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return that.createDump(value);
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default:
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return substring;
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}
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};
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return format.replace(regex, doFormat);
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}
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private formatParams(message: any): string {
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if (arguments.length <= 1) {
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return "" + message;
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}
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var res = this.sprintf.apply(this, arguments);
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if (res === message) {
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// we have more params but no format
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var args = Array.prototype.slice.call(arguments);
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return args.join(' ');
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}
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return res;
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}
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private timeMillis() {
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return java.lang.System.nanoTime() / 1000000; // 1 ms = 1000000 ns
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}
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public time(reportName: string): void {
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var name = reportName ? '__' + reportName : '__internal_console_time__';
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if (('undefined' === typeof (this._timers[name])) || (this._timers.hasOwnProperty(name))) {
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this._timers[name] = this.timeMillis();
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}
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else {
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this.warn('invalid name for timer console.time(' + reportName + ')');
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}
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}
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public timeEnd(reportName: string): void {
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var name = reportName ? '__' + reportName : '__internal_console_time__';
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if (this._timers.hasOwnProperty(name)) {
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var val = this._timers[name];
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if (val) {
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var time = this.timeMillis();
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this.info('console.time(' + reportName + '): %.6f ms',(time - val));
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this._timers[name] = undefined;
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}
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else {
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this.warn('undefined console.time(' + reportName + ')');
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}
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}
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}
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public assert(test: boolean, message: string, ...formatParams: any[]): void {
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if (!test) {
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Array.prototype.shift.apply(arguments);
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let formatedMessage = this.formatParams.apply(this, arguments);
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this.error(formatedMessage, trace.messageType.error);
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if (global.__consoleMessage) {
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global.__consoleMessage(formatedMessage, "error");
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}
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}
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}
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public info(message: any, ...formatParams: any[]): void {
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this.logMessage(this.formatParams.apply(this, arguments), trace.messageType.info);
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}
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public warn(message: any, ...formatParams: any[]): void {
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let formatedMessage = this.formatParams.apply(this, arguments);
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this.logMessage(formatedMessage, trace.messageType.warn);
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if (global.__consoleMessage) {
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global.__consoleMessage(formatedMessage, "warning");
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}
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}
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public error(message: any, ...formatParams: any[]): void {
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let formatedMessage = this.formatParams.apply(this, arguments);
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this.logMessage(formatedMessage, trace.messageType.error);
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if (global.__consoleMessage) {
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global.__consoleMessage(formatedMessage, "error")
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}
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}
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public log(message: any, ...formatParams: any[]): void {
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let formatedMessage = this.formatParams.apply(this, arguments);
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this.logMessage(formatedMessage, trace.messageType.log);
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if (global.__consoleMessage) {
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global.__consoleMessage(formatedMessage, "log")
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}
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}
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private logMessage(message: string, messageType: number): void {
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if (!global.android) {
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// This case may be entered during heap snapshot where the global.android is not present
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return;
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}
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var arrayToLog = [];
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if (message.length > 4000) {
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var i;
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for (i = 0; i * 4000 < message.length; i++) {
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arrayToLog.push(message.substr((i * 4000), 4000));
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}
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}
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else {
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arrayToLog.push(message);
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}
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for (i = 0; i < arrayToLog.length; i++) {
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switch (messageType) {
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case trace.messageType.log: {
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android.util.Log.v(this.TAG, arrayToLog[i]);
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break;
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}
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case trace.messageType.warn: {
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android.util.Log.w(this.TAG, arrayToLog[i]);
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break;
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}
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case trace.messageType.error: {
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android.util.Log.e(this.TAG, arrayToLog[i]);
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break;
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}
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case trace.messageType.info: {
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android.util.Log.i(this.TAG, arrayToLog[i]);
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break;
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}
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}
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}
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}
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public trace(): void {
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var stack: string;
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stack = (<any>(new Error())).stack.toString();
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stack = stack.replace(this._stripFirstTwoLinesRegEx, "$2");
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stack = "Stack Trace:\n" + stack;
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this.log(stack);
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}
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private createDump(obj: any): string {
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var result = [];
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if (null == obj) {
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result.push("=== dump(): object is 'null' ===");
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return result.join('');
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}
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if ("undefined" === typeof obj) {
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result.push("=== dump(): object is 'undefined' ===");
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return result.join('');
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}
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result.push('=== dump(): dumping members ===\n');
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var stringifyValueCache = [];
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var stringifyKeyCache = [];
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result.push(JSON.stringify(obj, function (k, v) {
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stringifyKeyCache.push(k);
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if (typeof v === 'object' && v !== null) {
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if (stringifyValueCache.indexOf(v) !== -1) {
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return "#CR:" + (v.toString ? v.toString() : v);
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}
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stringifyValueCache.push(v);
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}
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if (typeof v === 'function') {
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return k + "()" + v;
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}
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return v;
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}, 4));
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result.push('\n=== dump(): dumping function and properties names ===\n');
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for (var id in obj) {
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try {
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if (typeof (obj[id]) === 'function') {
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result.push(id + '()\n');
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}
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else {
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if (typeof (obj[id]) !== 'object' && stringifyKeyCache.indexOf(id) === -1) {
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result.push(id + ": " + (obj[id] + '\n'));
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}
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}
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} catch (err) {
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result.push(id + ': inaccessible');
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}
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}
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stringifyValueCache = null;
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stringifyKeyCache = null;
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result.push('=== dump(): finished ===');
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return result.join('');
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}
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public dump(obj: any): void {
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var dump = this.createDump(obj);
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if (platform.device.os === platform.platformNames.android) {
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this.log(dump);
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} else if (platform.device.os === platform.platformNames.ios) {
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console.log(dump);
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}
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}
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public dir = this.dump;
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}
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