auto import from //depot/cupcake/@135843
diff --git a/include/utils/TextOutput.h b/include/utils/TextOutput.h
new file mode 100644
index 0000000..d8d86ba
--- /dev/null
+++ b/include/utils/TextOutput.h
@@ -0,0 +1,190 @@
+/*
+ * Copyright (C) 2006 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.
+ */
+
+#ifndef ANDROID_TEXTOUTPUT_H
+#define ANDROID_TEXTOUTPUT_H
+
+#include <utils/Errors.h>
+
+#include <stdint.h>
+#include <string.h>
+
+// ---------------------------------------------------------------------------
+namespace android {
+
+class TextOutput
+{
+public:
+ TextOutput() { }
+ virtual ~TextOutput() { }
+
+ virtual status_t print(const char* txt, size_t len) = 0;
+ virtual void moveIndent(int delta) = 0;
+
+ class Bundle {
+ public:
+ inline Bundle(TextOutput& to) : mTO(to) { to.pushBundle(); }
+ inline ~Bundle() { mTO.popBundle(); }
+ private:
+ TextOutput& mTO;
+ };
+
+ virtual void pushBundle() = 0;
+ virtual void popBundle() = 0;
+};
+
+// ---------------------------------------------------------------------------
+
+// Text output stream for printing to the log (via utils/Log.h).
+extern TextOutput& alog;
+
+// Text output stream for printing to stdout.
+extern TextOutput& aout;
+
+// Text output stream for printing to stderr.
+extern TextOutput& aerr;
+
+typedef TextOutput& (*TextOutputManipFunc)(TextOutput&);
+
+TextOutput& endl(TextOutput& to);
+TextOutput& indent(TextOutput& to);
+TextOutput& dedent(TextOutput& to);
+
+TextOutput& operator<<(TextOutput& to, const char* str);
+TextOutput& operator<<(TextOutput& to, char); // writes raw character
+TextOutput& operator<<(TextOutput& to, bool);
+TextOutput& operator<<(TextOutput& to, int);
+TextOutput& operator<<(TextOutput& to, long);
+TextOutput& operator<<(TextOutput& to, unsigned int);
+TextOutput& operator<<(TextOutput& to, unsigned long);
+TextOutput& operator<<(TextOutput& to, long long);
+TextOutput& operator<<(TextOutput& to, unsigned long long);
+TextOutput& operator<<(TextOutput& to, float);
+TextOutput& operator<<(TextOutput& to, double);
+TextOutput& operator<<(TextOutput& to, TextOutputManipFunc func);
+TextOutput& operator<<(TextOutput& to, const void*);
+
+class TypeCode
+{
+public:
+ inline TypeCode(uint32_t code);
+ inline ~TypeCode();
+
+ inline uint32_t typeCode() const;
+
+private:
+ uint32_t mCode;
+};
+
+TextOutput& operator<<(TextOutput& to, const TypeCode& val);
+
+class HexDump
+{
+public:
+ HexDump(const void *buf, size_t size, size_t bytesPerLine=16);
+ inline ~HexDump();
+
+ inline HexDump& setBytesPerLine(size_t bytesPerLine);
+ inline HexDump& setSingleLineCutoff(int32_t bytes);
+ inline HexDump& setAlignment(size_t alignment);
+ inline HexDump& setCArrayStyle(bool enabled);
+
+ inline const void* buffer() const;
+ inline size_t size() const;
+ inline size_t bytesPerLine() const;
+ inline int32_t singleLineCutoff() const;
+ inline size_t alignment() const;
+ inline bool carrayStyle() const;
+
+private:
+ const void* mBuffer;
+ size_t mSize;
+ size_t mBytesPerLine;
+ int32_t mSingleLineCutoff;
+ size_t mAlignment;
+ bool mCArrayStyle;
+};
+
+TextOutput& operator<<(TextOutput& to, const HexDump& val);
+
+// ---------------------------------------------------------------------------
+// No user servicable parts below.
+
+inline TextOutput& endl(TextOutput& to)
+{
+ to.print("\n", 1);
+ return to;
+}
+
+inline TextOutput& indent(TextOutput& to)
+{
+ to.moveIndent(1);
+ return to;
+}
+
+inline TextOutput& dedent(TextOutput& to)
+{
+ to.moveIndent(-1);
+ return to;
+}
+
+inline TextOutput& operator<<(TextOutput& to, const char* str)
+{
+ to.print(str, strlen(str));
+ return to;
+}
+
+inline TextOutput& operator<<(TextOutput& to, char c)
+{
+ to.print(&c, 1);
+ return to;
+}
+
+inline TextOutput& operator<<(TextOutput& to, TextOutputManipFunc func)
+{
+ return (*func)(to);
+}
+
+inline TypeCode::TypeCode(uint32_t code) : mCode(code) { }
+inline TypeCode::~TypeCode() { }
+inline uint32_t TypeCode::typeCode() const { return mCode; }
+
+inline HexDump::~HexDump() { }
+
+inline HexDump& HexDump::setBytesPerLine(size_t bytesPerLine) {
+ mBytesPerLine = bytesPerLine; return *this;
+}
+inline HexDump& HexDump::setSingleLineCutoff(int32_t bytes) {
+ mSingleLineCutoff = bytes; return *this;
+}
+inline HexDump& HexDump::setAlignment(size_t alignment) {
+ mAlignment = alignment; return *this;
+}
+inline HexDump& HexDump::setCArrayStyle(bool enabled) {
+ mCArrayStyle = enabled; return *this;
+}
+
+inline const void* HexDump::buffer() const { return mBuffer; }
+inline size_t HexDump::size() const { return mSize; }
+inline size_t HexDump::bytesPerLine() const { return mBytesPerLine; }
+inline int32_t HexDump::singleLineCutoff() const { return mSingleLineCutoff; }
+inline size_t HexDump::alignment() const { return mAlignment; }
+inline bool HexDump::carrayStyle() const { return mCArrayStyle; }
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_TEXTOUTPUT_H