String.prototype.repeat

git-svn-id: svn://192.168.3.15/activex/AVS/Sources/TeamlabOffice/trunk/OfficeWeb@64626 954022d7-b5bf-4e40-9824-e11837661b57

Common/editorscommon.js

@@ -12,6 +12,48 @@ if (typeof String.prototype.endsWith !== 'function') {
 	};
 	String.prototype['endsWith'] = String.prototype.endsWith;
 }
+if (typeof String.prototype.repeat !== 'function') {
+    String.prototype.repeat = function(count) {
+        'use strict';
+        if (this == null) {
+            throw new TypeError('can\'t convert ' + this + ' to object');
+        }
+        var str = '' + this;
+        count = +count;
+        if (count != count) {
+            count = 0;
+        }
+        if (count < 0) {
+            throw new RangeError('repeat count must be non-negative');
+        }
+        if (count == Infinity) {
+            throw new RangeError('repeat count must be less than infinity');
+        }
+        count = Math.floor(count);
+        if (str.length == 0 || count == 0) {
+            return '';
+        }
+        // Обеспечение того, что count является 31-битным целым числом, позволяет нам значительно
+        // соптимизировать главную часть функции. Впрочем, большинство современных (на август
+        // 2014 года) браузеров не обрабатывают строки, длиннее 1 << 28 символов, так что:
+        if (str.length * count >= 1 << 28) {
+            throw new RangeError('repeat count must not overflow maximum string size');
+        }
+        var rpt = '';
+        for (;;) {
+            if ((count & 1) == 1) {
+                rpt += str;
+            }
+            count >>>= 1;
+            if (count == 0) {
+                break;
+            }
+            str += str;
+        }
+        return rpt;
+    }
+	String.prototype['repeat'] = String.prototype.repeat;
+}
 
 var g_oZipChanges = null;
 //var g_sMainServiceLocalUrl = "/CanvasService.ashx";
@@ -782,7 +824,8 @@ var str_namedRanges = "A-Za-z\u005F\u0080-\u0081\u0083\u0085-\u0087\u0089-\u008A
     rx_arraySeparatorsDef = /^ *[,;] */,
     rx_numberDef = /^ *[+-]?\d*(\d|\.)\d*([eE][+-]?\d+)?/,
     rx_CommaDef = /^ *[,;] */,
-    rx_arrayDef = /^\{(([+-]?\d*(\d|\.)\d*([eE][+-]?\d+)?)?(\"((\"\"|[^\"])*)\")?(#NULL!|#DIV\/0!|#VALUE!|#REF!|#NAME\?|#NUM!|#UNSUPPORTED_FUNCTION!|#N\/A|#GETTING_DATA|FALSE|TRUE)?[,;]?)*\}/i;
+    rx_arrayDef = /^\{(([+-]?\d*(\d|\.)\d*([eE][+-]?\d+)?)?(\"((\"\"|[^\"])*)\")?(#NULL!|#DIV\/0!|#VALUE!|#REF!|#NAME\?|#NUM!|#UNSUPPORTED_FUNCTION!|#N\/A|#GETTING_DATA|FALSE|TRUE)?[,;]?)*\}/i,
+    rx_
 
 
 /**

Excel/model/FormulaObjects/engineeringFunctions.js

@@ -384,7 +384,7 @@ function convertFromTo( src, from, to, charLim ) {
     else {
         charLim = parseInt( charLim );
         if ( charLim >= res.length ) {
-            return new cString( (String.prototype.repeat( '0', charLim - res.length ) + res).toUpperCase() );
+            return new cString( ( '0'.repeat( charLim - res.length ) + res).toUpperCase() );
         }
         else {
             return new cError( cErrorType.not_numeric );
@@ -1302,7 +1302,7 @@ cDEC2BIN.prototype.Calculate = function ( arg ) {
     if ( validDEC2BINNumber( arg0 ) && arg0 >= -512 && arg0 <= 511 && ( arg1 > 0 && arg1 <= 10 || arg1 == undefined ) ) {
 
         if ( arg0 < 0 ) {
-            this.value = new cString( '1' + String.prototype.repeat( '0', 9 - (512 + arg0).toString( NumberBase.BIN ).length ) + (512 + arg0).toString( NumberBase.BIN ).toUpperCase() );
+            this.value = new cString( '1' +  '0'.repeat(9 - (512 + arg0).toString( NumberBase.BIN ).length ) + (512 + arg0).toString( NumberBase.BIN ).toUpperCase() );
         }
         else {
             this.value = convertFromTo( arg0, NumberBase.DEC, NumberBase.BIN, arg1 );
@@ -1663,7 +1663,7 @@ cHEX2BIN.prototype.Calculate = function ( arg ) {
 
             if ( negative ) {
                 var str = (512 + arg0DEC).toString( NumberBase.BIN );
-                this.value = new cString( '1' + String.prototype.repeat( '0', 9 - str.length ) + str );
+                this.value = new cString( '1' + '0'.repeat(9 - str.length ) + str );
             }
             else {
                 this.value = convertFromTo( arg0DEC, NumberBase.DEC, NumberBase.BIN, arg1 );
@@ -2663,7 +2663,7 @@ cOCT2BIN.prototype.Calculate = function ( arg ) {
 
             if ( negative ) {
                 var str = (512 + arg0DEC).toString( NumberBase.BIN );
-                this.value = new cString( ('1' + String.prototype.repeat( '0', 9 - str.length ) + str).toUpperCase() );
+                this.value = new cString( ('1' + '0'.repeat( 9 - str.length ) + str).toUpperCase() );
             }
             else {
                 this.value = convertFromTo( arg0DEC, NumberBase.DEC, NumberBase.BIN, arg1 );

Excel/model/FormulaObjects/parserFormula.js

@@ -226,14 +226,6 @@ RegExp.escape = function(text) {
     return text.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
 }
 
-String.prototype.repeat = function ( s, n ) {
-    var a = [];
-    while ( a.length < n ) {
-        a.push( s );
-    }
-    return a.join( '' );
-};
-
 parserHelp.setDigitSeparator( g_oDefaultCultureInfo.NumberDecimalSeparator );
 
 /** @constructor */

Excel/model/FormulaObjects/textanddataFunctions.js

@@ -1295,10 +1295,7 @@ cREPT.prototype.Calculate = function ( arg ) {
 
     if ( arg1.getValue() < 0 ) return this.value = new cError( cErrorType.wrong_value_type );
 
-    for ( var i = 0; i < arg1.getValue(); i++ ) {
-        res = res.concat( arg0.getValue() );
-    }
-    return this.value = new cString( res );
+    return this.value = new cString( arg0.getValue().repeat(arg1.getValue()) );
 }
 cREPT.prototype.getInfo = function () {
     return {