diff --git a/libs/utils/TextOutput.cpp b/libs/utils/TextOutput.cpp
new file mode 100644
index 0000000..cebee99
--- /dev/null
+++ b/libs/utils/TextOutput.cpp
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2005 The Android Open Source Project
+ *
+ * Licensed 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
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <utils/TextOutput.h>
+
+#include <utils/Debug.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+// ---------------------------------------------------------------------------
+
+namespace android {
+
+TextOutput& operator<<(TextOutput& to, bool val)
+{
+    if (val) to.print("true", 4);
+    else to.print("false", 5);
+    return to;
+}
+
+TextOutput& operator<<(TextOutput& to, int val)
+{
+    char buf[16];
+    sprintf(buf, "%d", val);
+    to.print(buf, strlen(buf));
+    return to;
+}
+
+TextOutput& operator<<(TextOutput& to, long val)
+{
+    char buf[16];
+    sprintf(buf, "%ld", val);
+    to.print(buf, strlen(buf));
+    return to;
+}
+
+TextOutput& operator<<(TextOutput& to, unsigned int val)
+{
+    char buf[16];
+    sprintf(buf, "%u", val);
+    to.print(buf, strlen(buf));
+    return to;
+}
+
+TextOutput& operator<<(TextOutput& to, unsigned long val)
+{
+    char buf[16];
+    sprintf(buf, "%lu", val);
+    to.print(buf, strlen(buf));
+    return to;
+}
+
+TextOutput& operator<<(TextOutput& to, long long val)
+{
+    char buf[32];
+    sprintf(buf, "%Ld", val);
+    to.print(buf, strlen(buf));
+    return to;
+}
+
+TextOutput& operator<<(TextOutput& to, unsigned long long val)
+{
+    char buf[32];
+    sprintf(buf, "%Lu", val);
+    to.print(buf, strlen(buf));
+    return to;
+}
+
+static TextOutput& print_float(TextOutput& to, double value)
+{
+    char buf[64];
+    sprintf(buf, "%g", value);
+    if( !strchr(buf, '.') && !strchr(buf, 'e') &&
+        !strchr(buf, 'E') ) {
+        strncat(buf, ".0", sizeof(buf)-1);
+    }
+    to.print(buf, strlen(buf));
+    return to;
+}
+
+TextOutput& operator<<(TextOutput& to, float val)
+{
+    return print_float(to,val);
+}
+
+TextOutput& operator<<(TextOutput& to, double val)
+{
+    return print_float(to,val);
+}
+
+TextOutput& operator<<(TextOutput& to, const void* val)
+{
+    char buf[16];
+    sprintf(buf, "%p", val);
+    to.print(buf, strlen(buf));
+    return to;
+}
+
+static void textOutputPrinter(void* cookie, const char* txt)
+{
+    ((TextOutput*)cookie)->print(txt, strlen(txt));
+}
+
+TextOutput& operator<<(TextOutput& to, const TypeCode& val)
+{
+    printTypeCode(val.typeCode(), textOutputPrinter, (void*)&to);
+    return to;
+}
+
+HexDump::HexDump(const void *buf, size_t size, size_t bytesPerLine)
+    : mBuffer(buf)
+    , mSize(size)
+    , mBytesPerLine(bytesPerLine)
+    , mSingleLineCutoff(16)
+    , mAlignment(4)
+    , mCArrayStyle(false)
+{
+    if (bytesPerLine >= 16) mAlignment = 4;
+    else if (bytesPerLine >= 8) mAlignment = 2;
+    else mAlignment = 1;
+}
+
+TextOutput& operator<<(TextOutput& to, const HexDump& val)
+{
+    printHexData(0, val.buffer(), val.size(), val.bytesPerLine(),
+        val.singleLineCutoff(), val.alignment(), val.carrayStyle(),
+        textOutputPrinter, (void*)&to);
+    return to;
+}
+
+}; // namespace android