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Added Substring count function

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This commit is contained in:
斟酌 鵬兄 2016-03-18 05:30:35 +08:00
parent 3c887fe9cc
commit 592888b088
2 changed files with 24 additions and 2 deletions
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24
botanjs/src/System/utils/Perf.js
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@ -22,7 +22,7 @@
/* }}}*/ /* }}}*/
// Reverse an array using XOR swap // Reverse an array using XOR swap
var Array_Reverse = function( array ) var ArrayReverse = function( array )
{ {
var i = null; var i = null;
var l = array.length; var l = array.length;
@ -39,6 +39,26 @@
} }
}; };
// Count Occurance of a string
var CountSubString = function ( str, search )
{
if ( search.length <= 0 )
{
return str.length + 1;
}
var c = 0;
for( var i = str.indexOf( search ); 0 <= i ; i = str.indexOf( search, i ) )
{
c ++;
i ++;
}
return c;
};
ns[ NS_EXPORT ]( EX_READONLY_GETTER, "uuid", UUID ); ns[ NS_EXPORT ]( EX_READONLY_GETTER, "uuid", UUID );
ns[ NS_EXPORT ]( EX_FUNC, "ArrayReverse", Array_Reverse ); ns[ NS_EXPORT ]( EX_FUNC, "CountSubstr", CountSubString );
ns[ NS_EXPORT ]( EX_FUNC, "ArrayReverse", ArrayReverse );
})(); })();

2
botanjs/src/externs/System.utils.Perf.js
View File

@ -6,3 +6,5 @@ System.utils.Perf.uuid;
/** @type {Function} */ /** @type {Function} */
System.utils.Perf.ArrayReverse; System.utils.Perf.ArrayReverse;
/** @type {Function} */
System.utils.Perf.CountSubstr;