1 files changed, 179 insertions, 0 deletions
diff --git a/sal/rtl/source/strbuf.cxx b/sal/rtl/source/strbuf.cxx
new file mode 100644
index 000000000000..c9a4f3140643
--- /dev/null
+++ b/sal/rtl/source/strbuf.cxx
@@ -0,0 +1,179 @@
+/* -*- 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 <osl/interlck.h>
+
+#ifndef _RTL_STRING_HXX_
+#include <rtl/strbuf.hxx>
+#endif
+#include <rtl/memory.h>
+
+/*
+#include <rtl/alloc.h>
+*/
+
+
+
+/*************************************************************************
+ *  rtl_stringbuffer_newFromStr_WithLength
+ */
+void SAL_CALL rtl_stringbuffer_newFromStr_WithLength( rtl_String ** newStr,
+                                                      const sal_Char * value,
+                                                      sal_Int32 count )
+{
+    if (!value)
+    {
+        rtl_string_new_WithLength( newStr, 16 );
+        return;
+    }
+
+    rtl_string_new_WithLength( newStr, count + 16 );
+    (*newStr)->length = count;
+    rtl_copyMemory( (*newStr)->buffer, value, count );
+    return;
+}
+
+/*************************************************************************
+ *  rtl_stringbuffer_newFromStringBuffer
+ */
+sal_Int32 SAL_CALL rtl_stringbuffer_newFromStringBuffer( rtl_String ** newStr,
+                                                         sal_Int32 capacity,
+                                                         rtl_String * oldStr )
+{
+    sal_Int32 newCapacity = capacity;
+
+    if (newCapacity < oldStr->length)
+        newCapacity = oldStr->length;
+
+    rtl_string_new_WithLength( newStr, newCapacity );
+    if (oldStr->length > 0) {
+        (*newStr)->length = oldStr->length;
+        rtl_copyMemory( (*newStr)->buffer, oldStr->buffer, oldStr->length );
+    }
+    return newCapacity;
+}
+
+/*************************************************************************
+ *  rtl_stringbuffer_ensureCapacity
+ */
+void SAL_CALL rtl_stringbuffer_ensureCapacity
+    (rtl_String ** This, sal_Int32* capacity, sal_Int32 minimumCapacity)
+{
+    if (minimumCapacity > *capacity)
+    {
+        rtl_String * pTmp = *This;
+        rtl_String * pNew = NULL;
+        *capacity = ((*This)->length + 1) * 2;
+        if (minimumCapacity > *capacity)
+            /* still lower, set to the minimum capacity */
+            *capacity = minimumCapacity;
+
+        rtl_string_new_WithLength(&pNew, *capacity);
+        pNew->length = (*This)->length;
+        *This = pNew;
+
+        rtl_copyMemory( (*This)->buffer, pTmp->buffer, pTmp->length );
+        rtl_string_release( pTmp );
+    }
+}
+
+/*************************************************************************
+ *  rtl_stringbuffer_insert
+ */
+void SAL_CALL rtl_stringbuffer_insert( rtl_String ** This,
+                                       sal_Int32 * capacity,
+                                       sal_Int32 offset,
+                                       const sal_Char * str,
+                                       sal_Int32 len )
+{
+    sal_Int32 nOldLen;
+    sal_Char * pBuf;
+    sal_Int32 n;
+    if( len != 0 )
+    {
+        if (*capacity < (*This)->length + len)
+            rtl_stringbuffer_ensureCapacity( This, capacity, (*This)->length + len );
+
+        /*
+        if( len == 1 )
+            This->buffer
+        */
+        nOldLen = (*This)->length;
+        pBuf = (*This)->buffer;
+
+        /* copy the tail */
+        n = (nOldLen - offset);
+        if( n == 1 )
+            /* optimized for 1 character */
+            pBuf[offset + len] = pBuf[offset];
+        else if( n > 1 )
+            rtl_moveMemory( pBuf + offset + len, pBuf + offset, n * sizeof(sal_Char) );
+
+        /* insert the new characters */
+        n = len;
+        if( len == 1 )
+                            /* optimized for 1 character */
+            pBuf[offset] = *str;
+        else if( n > 1 )
+            rtl_copyMemory( pBuf + offset, str, len * sizeof(sal_Char) );
+        (*This)->length = nOldLen + len;
+        pBuf[ nOldLen + len ] = 0;
+    }
+}
+
+/*************************************************************************
+ *  rtl_stringbuffer_remove
+ */
+void SAL_CALL rtl_stringbuffer_remove( rtl_String ** This,
+                                       sal_Int32 start,
+                                       sal_Int32 len )
+{
+    sal_Int32 nTailLen;
+    sal_Char * pBuf;
+
+    if (len > (*This)->length - start)
+        len = (*This)->length - start;
+
+    //remove nothing
+    if (!len)
+        return;
+
+    pBuf = (*This)->buffer;
+    nTailLen = (*This)->length - ( start + len );
+
+    if (nTailLen)
+    {
+        /* move the tail */
+        rtl_moveMemory(pBuf + start, pBuf + start + len, nTailLen * sizeof(sal_Char));
+    }
+
+    (*This)->length-=len;
+    pBuf[ (*This)->length ] = 0;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */