Changeset 84287 in vbox for trunk

Timestamp:

May 13, 2020 1:59:34 PM (5 years ago)

Author:

vboxsync

Message:

Glue/Bstr: Adding a base64Encode method using the new UTF-16 base64 encoding functions in IPRT. bugref:9224

Location:

trunk

Files:

• include/VBox/com/string.h (modified) (1 diff)
• src/VBox/Main/glue/string.cpp (modified) (2 diffs)

trunk/include/VBox/com/string.h

@@ -661 +661 @@
 
 
+    /** @name BASE64 related methods
+     * @{ */
+    /**
+     * Encodes the give data as BASE64.
+     *
+     * @returns S_OK or E_OUTOFMEMORY.
+     * @param   pvData          Pointer to the data to encode.
+     * @param   cbData          Number of bytes to encode.
+     * @param   fLineBreaks     Whether to add line breaks (true) or just encode it
+     *                          as a continuous string.
+     */
+    HRESULT base64Encode(const void *pvData, size_t cbData, bool fLineBreaks = false);
+    /** @} */
+
 #if defined(VBOX_WITH_XPCOM)
     /**

trunk/src/VBox/Main/glue/string.cpp

@@ -18 +18 @@
 #include "VBox/com/string.h"
 
+#include <iprt/base64.h>
 #include <iprt/err.h>
+#include <iprt/log.h>
 #include <iprt/path.h>
-#include <iprt/log.h>
 #include <iprt/string.h>
 #include <iprt/uni.h>
@@ -228 +229 @@
         return ucLeft < ucRight ? -1 : 1;
     }
+}
+
+HRESULT Bstr::base64Encode(const void *pvData, size_t cbData, bool fLineBreaks /*= false*/)
+{
+    uint32_t const fFlags     = fLineBreaks ? RTBASE64_FLAGS_EOL_LF : RTBASE64_FLAGS_NO_LINE_BREAKS;
+    size_t         cwcEncoded = RTBase64EncodedUtf16LengthEx(cbData, fFlags);
+    HRESULT hrc = reserveNoThrow(cwcEncoded + 1);
+    if (SUCCEEDED(hrc))
+    {
+        int vrc = RTBase64EncodeUtf16Ex(pvData, cbData, fFlags, mutableRaw(), cwcEncoded, &cwcEncoded);
+        AssertRCReturnStmt(vrc, setNull(), E_FAIL);
+        hrc = joltNoThrow(cwcEncoded);
+    }
+    return hrc;
 }