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minor optimization: searching for a character in a string is faster than

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searching for a substring
This commit is contained in:
Glenn Maynard
2004-11-08 07:12:17 +00:00
parent aef954a91b
commit 348c1a696e
1 changed files with 20 additions and 4 deletions
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stepmania/src/RageUtil.cpp
+20 -4
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@@ -302,6 +302,16 @@ static int DelimitorLength( const S &Delimitor )
return Delimitor.size(); return Delimitor.size();
} }
static int DelimitorLength( char Delimitor )
{
return 1;
}
static int DelimitorLength( wchar_t Delimitor )
{
return 1;
}
template <class S, class C> template <class S, class C>
void do_split( const S &Source, const C Delimitor, vector<S> &AddIt, const bool bIgnoreEmpty ) void do_split( const S &Source, const C Delimitor, vector<S> &AddIt, const bool bIgnoreEmpty )
{ {
@@ -331,14 +341,20 @@ void do_split( const S &Source, const C Delimitor, vector<S> &AddIt, const bool
} }
void split( const CString &Source, const CString &Deliminator, CStringArray &AddIt, const bool bIgnoreEmpty ) void split( const CString &Source, const CString &Delimitor, CStringArray &AddIt, const bool bIgnoreEmpty )
{ {
do_split(Source, Deliminator, AddIt, bIgnoreEmpty ); if( Delimitor.size() == 1 )
do_split( Source, Delimitor[0], AddIt, bIgnoreEmpty );
else
do_split( Source, Delimitor, AddIt, bIgnoreEmpty );
} }
void split( const wstring &Source, const wstring &Deliminator, vector<wstring> &AddIt, const bool bIgnoreEmpty ) void split( const wstring &Source, const wstring &Delimitor, vector<wstring> &AddIt, const bool bIgnoreEmpty )
{ {
do_split(Source, Deliminator, AddIt, bIgnoreEmpty ); if( Delimitor.size() == 1 )
do_split( Source, Delimitor[0], AddIt, bIgnoreEmpty );
else
do_split( Source, Delimitor, AddIt, bIgnoreEmpty );
} }
/* Use: /* Use: