Bu::FString now has insert and remove functions, yay!

1 files changed, 39 insertions, 0 deletions

diff --git a/src/fstring.h b/src/fstring.h
index 8cccd5c..8b512e2 100644
--- a/src/fstring.h
+++ b/src/fstring.h
@@ -226,6 +226,45 @@ namespace Bu
                         prependChunk( pNew );
                 }
 
+                void insert( long nPos, const chr *pData, long nLen )
+                {
+                        if( nLen <= 0 )
+                                return;
+                        flatten();
+                        if( nPos <= 0 )
+                        {
+                                prepend( pData, nLen );
+                        }
+                        else if( nPos >= nLength )
+                        {
+                                append( pData, nLen );
+                        }
+                        else
+                        {
+                                Chunk *p1 = newChunk( nPos );
+                                Chunk *p2 = newChunk( nLen );
+                                Chunk *p3 = newChunk( nLength-nPos );
+                                cpy( p1->pData, pFirst->pData, nPos );
+                                cpy( p2->pData, pData, nLen );
+                                cpy( p3->pData, pFirst->pData+nPos, nLength-nPos );
+                                clear();
+                                appendChunk( p1 );
+                                appendChunk( p2 );
+                                appendChunk( p3 );
+                        }
+                }
+
+                void remove( long nPos, long nLen )
+                {
+                        if( nLen <= 0 || nPos < 0 || nPos >= nLength )
+                                return;
+                        if( nLen >= nLength-nPos )
+                                nLen = nLength-nPos-1;
+                        flatten();
+                        cpy( pFirst->pData+nPos, pFirst->pData+nPos+nLen, nLen+1 );
+                        nLength -= nPos;
+                }
+
                 /**
                  *@todo void prepend( const chr &cData )
                  */