Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 184 insertions, 0 deletions

diff --git a/vcl/unx/generic/print/psputil.cxx b/vcl/unx/generic/print/psputil.cxx
new file mode 100644
index 000000000..b4837138a
--- /dev/null
+++ b/vcl/unx/generic/print/psputil.cxx
@@ -0,0 +1,184 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <string.h>
+#include "psputil.hxx"
+
+namespace psp {
+
+/*
+ * string convenience routines
+ */
+
+sal_Int32
+getHexValueOf (sal_Int32 nValue, OStringBuffer& pBuffer)
+{
+    const static char pHex [0x10] = {
+        '0', '1', '2', '3', '4', '5', '6', '7',
+        '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
+
+    pBuffer.append(pHex [(nValue & 0xF0) >> 4]);
+    pBuffer.append(pHex [(nValue & 0x0F)     ]);
+
+    return 2;
+}
+
+sal_Int32
+getAlignedHexValueOf (sal_Int32 nValue, OStringBuffer& pBuffer)
+{
+    // get sign
+    bool bNegative = nValue < 0;
+    nValue = bNegative ? -nValue : nValue;
+
+    // get required buffer size, must be a multiple of two
+    sal_Int32 nPrecision;
+    if (nValue < 0x80)
+        nPrecision = 2;
+    else
+        if (nValue < 0x8000)
+            nPrecision = 4;
+        else
+            if (nValue < 0x800000)
+                nPrecision = 6;
+            else
+                nPrecision = 8;
+
+    // convert the int into its hex representation, write it into the buffer
+    sal_Int32 nRet = nPrecision;
+    auto const start = pBuffer.getLength();
+    while (nPrecision)
+    {
+        OStringBuffer scratch;
+        nPrecision -= getHexValueOf (nValue % 256, scratch );
+        pBuffer.insert(start, scratch);
+        nValue /= 256;
+    }
+
+    // set sign bit
+    if (bNegative)
+    {
+        switch (pBuffer[start])
+        {
+            case '0' : pBuffer[start] = '8'; break;
+            case '1' : pBuffer[start] = '9'; break;
+            case '2' : pBuffer[start] = 'A'; break;
+            case '3' : pBuffer[start] = 'B'; break;
+            case '4' : pBuffer[start] = 'C'; break;
+            case '5' : pBuffer[start] = 'D'; break;
+            case '6' : pBuffer[start] = 'E'; break;
+            case '7' : pBuffer[start] = 'F'; break;
+            default: OSL_FAIL("Already a signed value");
+        }
+    }
+
+    // report precision
+    return nRet;
+}
+
+sal_Int32
+getValueOf (sal_Int32 nValue, OStringBuffer& pBuffer)
+{
+    sal_Int32 nChar = 0;
+    if (nValue < 0)
+    {
+        pBuffer.append('-');
+        ++nChar;
+        nValue *= -1;
+    }
+    else
+        if (nValue == 0)
+        {
+            pBuffer.append('0');
+            ++nChar;
+            return nChar;
+        }
+
+    char  pInvBuffer [32];
+    sal_Int32 nInvChar = 0;
+    while (nValue > 0)
+    {
+        pInvBuffer [nInvChar++] = '0' + nValue % 10;
+        nValue /= 10;
+    }
+    while (nInvChar > 0)
+    {
+        pBuffer.append(pInvBuffer [--nInvChar]);
+        ++nChar;
+    }
+
+    return nChar;
+}
+
+sal_Int32
+appendStr (const char* pSrc, OStringBuffer& pDst)
+{
+    sal_Int32 nBytes = strlen (pSrc);
+    pDst.append(pSrc, nBytes);
+
+    return nBytes;
+}
+
+/*
+ * copy strings to file
+ */
+
+bool
+WritePS (osl::File* pFile, const char* pString)
+{
+    sal_uInt64 nInLength = rtl_str_getLength (pString);
+    sal_uInt64 nOutLength = 0;
+
+    if (nInLength > 0 && pFile)
+        pFile->write (pString, nInLength, nOutLength);
+
+    return nInLength == nOutLength;
+}
+
+bool
+WritePS (osl::File* pFile, const char* pString, sal_uInt64 nInLength)
+{
+    sal_uInt64 nOutLength = 0;
+
+    if (nInLength > 0 && pFile)
+        pFile->write (pString, nInLength, nOutLength);
+
+    return nInLength == nOutLength;
+}
+
+bool
+WritePS (osl::File* pFile, const OString &rString)
+{
+    sal_uInt64 nInLength = rString.getLength();
+    sal_uInt64 nOutLength = 0;
+
+    if (nInLength > 0 && pFile)
+        pFile->write (rString.getStr(), nInLength, nOutLength);
+
+    return nInLength == nOutLength;
+}
+
+bool
+WritePS (osl::File* pFile, std::u16string_view rString)
+{
+    return WritePS (pFile, OUStringToOString(rString, RTL_TEXTENCODING_ASCII_US));
+}
+
+} /* namespace psp */
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */