1 files changed, 173 insertions, 0 deletions
diff --git a/binfilter/bf_basic/source/comp/buffer.cxx b/binfilter/bf_basic/source/comp/buffer.cxx
new file mode 100644
index 000000000000..7a2a65c845fb
--- /dev/null
+++ b/binfilter/bf_basic/source/comp/buffer.cxx
@@ -0,0 +1,173 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ * 
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#include "buffer.hxx"
+#include <string.h>
+
+namespace binfilter {
+
+const static UINT32 UP_LIMIT=0xFFFFFF00L;
+
+// Der SbiBuffer wird in Inkrements von mindestens 16 Bytes erweitert.
+// Dies ist notwendig, da viele Klassen von einer Pufferlaenge
+// von x*16 Bytes ausgehen.
+
+SbiBuffer::SbiBuffer( SbiParser* p, short n )
+{
+    pParser = p;
+    n = ( (n + 15 ) / 16 ) * 16;
+    if( !n ) n = 16;
+    pBuf  = NULL;
+    pCur  = NULL;
+    nInc  = n;
+    nSize =
+    nOff  = 0;
+}
+
+SbiBuffer::~SbiBuffer()
+{
+    delete[] pBuf;
+}
+
+// Rausreichen des Puffers
+// Dies fuehrt zur Loeschung des Puffers!
+
+char* SbiBuffer::GetBuffer()
+{
+    char* p = pBuf;
+    pBuf = NULL;
+    pCur = NULL;
+    return p;
+}
+
+// Test, ob der Puffer n Bytes aufnehmen kann.
+// Im Zweifelsfall wird er vergroessert
+
+BOOL SbiBuffer::Check( USHORT n )
+{
+    if( !n ) return TRUE;
+    if( ( static_cast<UINT32>( nOff )+ n ) >  static_cast<UINT32>( nSize ) )
+    {
+        if( nInc == 0 )
+            return FALSE;
+        USHORT nn = 0;
+        while( nn < n ) nn = nn + nInc;
+        char* p;
+        if( ( static_cast<UINT32>( nSize ) + nn ) > UP_LIMIT ) p = NULL;
+        else p = new char [nSize + nn];
+        if( !p )
+        {
+/*?*/ // 			pParser->Error( SbERR_PROG_TOO_LARGE );
+            nInc = 0;
+            delete[] pBuf; pBuf = NULL;
+            return FALSE;
+        }
+        else
+        {
+            if( nSize ) memcpy( p, pBuf, nSize );
+            delete[] pBuf;
+            pBuf = p;
+            pCur = pBuf + nOff;
+            nSize = nSize + nn;
+        }
+    }
+    return TRUE;
+}
+
+BOOL SbiBuffer::operator +=( INT8 n )
+{
+    if( Check( 1 ) )
+    {
+        *pCur++ = (char) n; nOff++; return TRUE;
+    } else return FALSE;
+}
+
+BOOL SbiBuffer::operator +=( UINT8 n )
+{
+    if( Check( 1 ) )
+    {
+        *pCur++ = (char) n; nOff++; return TRUE;
+    } else return FALSE;
+}
+
+BOOL SbiBuffer::operator +=( INT16 n )
+{
+    if( Check( 2 ) )
+    {
+        *pCur++ = (char) ( n & 0xFF );
+        *pCur++ = (char) ( n >> 8 );
+        nOff += 2; return TRUE;
+    } else return FALSE;
+}
+
+BOOL SbiBuffer::operator +=( UINT16 n )
+{
+    if( Check( 2 ) )
+    {
+        *pCur++ = (char) ( n & 0xFF );
+        *pCur++ = (char) ( n >> 8 );
+        nOff += 2; return TRUE;
+    } else return FALSE;
+}
+
+BOOL SbiBuffer::operator +=( UINT32 n )
+{
+    if( Check( 4 ) )
+    {
+        UINT16 n1 = static_cast<UINT16>( n & 0xFFFF );
+        UINT16 n2 = static_cast<UINT16>( n >> 16 );
+        if ( operator +=( n1 ) && operator +=( n2 ) )
+            return TRUE;
+        return TRUE;
+    } 
+    return FALSE;
+}
+
+BOOL SbiBuffer::operator +=( INT32 n )
+{
+    return operator +=( (UINT32) n );
+}
+
+
+BOOL SbiBuffer::operator +=( const String& n )
+{
+    USHORT l = n.Len() + 1;
+    if( Check( l ) )
+    {
+        ByteString aByteStr( n, gsl_getSystemTextEncoding() );
+        memcpy( pCur, aByteStr.GetBuffer(), l );
+        pCur += l;
+        nOff = nOff + l;
+        return TRUE;
+    }
+    else return FALSE;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */