From c9574d3f77081fb4a654d42c298d6ebf34abca51 Mon Sep 17 00:00:00 2001
From: Mike Buland <eichlan@xagasoft.com>
Date: Fri, 23 Nov 2007 23:47:37 +0000
Subject: Bu::FString now has insert and remove functions, yay!

---
 src/fstring.h | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)

(limited to 'src/fstring.h')

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 )
 		 */
-- 
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