1 files changed, 67 insertions, 0 deletions

diff --git a/src/fstring.h b/src/fstring.h
index 2f7dc67..f0462cb 100644
--- a/src/fstring.h
+++ b/src/fstring.h
@@ -76,6 +76,33 @@ public:
                 //copyFrom( rSrc );
         }
 
+        FBasicString( const MyType &rSrc, long nLength ) :
+                nLength( 0 ),
+                pnRefs( NULL ),
+                pFirst( NULL ),
+                pLast( NULL )
+        {
+                append( rSrc.pFirst->pData, nLength );
+        }
+        
+        FBasicString( const MyType &rSrc, long nStart, long nLength ) :
+                nLength( 0 ),
+                pnRefs( NULL ),
+                pFirst( NULL ),
+                pLast( NULL )
+        {
+                append( rSrc.pFirst->pData+nStart, nLength );
+        }
+
+        FBasicString( long nSize ) :
+                nLength( nSize ),
+                pnRefs( NULL ),
+                pFirst( NULL ),
+                pLast( NULL )
+        {
+                pFirst = pLast = newChunk( nSize );
+        }
+
         virtual ~FBasicString()
         {
                 clear();
@@ -190,6 +217,14 @@ public:
 
                 return (*this);
         }
+        
+        MyType &operator +=( const MyType &rSrc )
+        {
+                rSrc.flatten();
+                append( rSrc.pFirst->pData, rSrc.nLength );
+
+                return (*this);
+        }
 
         MyType &operator +=( const chr pData )
         {
@@ -294,6 +329,38 @@ public:
                         || pFirst->pData[nIndex]=='\r' || pFirst->pData[nIndex]=='\n';
         }
 
+        bool isAlpha( long nIndex ) const
+        {
+                flatten();
+
+                return (pFirst->pData[nIndex] >= 'a' && pFirst->pData[nIndex] <= 'z')
+                        || (pFirst->pData[nIndex] >= 'A' && pFirst->pData[nIndex] <= 'Z');
+        }
+
+        void toLower()
+        {
+                flatten();
+                unShare();
+
+                for( long j = 0; j < nLength; j++ )
+                {
+                        if( pFirst->pData[j] >= 'A' && pFirst->pData[j] <= 'Z' )
+                                pFirst->pData[j] -= 'A'-'a';
+                }
+        }
+
+        void toUpper()
+        {
+                flatten();
+                unShare();
+
+                for( long j = 0; j < nLength; j++ )
+                {
+                        if( pFirst->pData[j] >= 'a' && pFirst->pData[j] <= 'z' )
+                                pFirst->pData[j] += 'A'-'a';
+                }
+        }
+
         void serialize( class Serializer &ar )
         {
                 if( ar.isLoading() )