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/*
* Copyright (C) 2012 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef PrintStream_h
#define PrintStream_h
#include <stdarg.h>
#include <wtf/FastAllocBase.h>
#include <wtf/Noncopyable.h>
#include <wtf/Platform.h>
#include <wtf/RawPointer.h>
#include <wtf/StdLibExtras.h>
namespace WTF {
class CString;
class String;
class PrintStream {
WTF_MAKE_FAST_ALLOCATED; WTF_MAKE_NONCOPYABLE(PrintStream);
public:
PrintStream();
virtual ~PrintStream();
WTF_EXPORT_PRIVATE void printf(const char* format, ...) WTF_ATTRIBUTE_PRINTF(2, 3);
virtual void vprintf(const char* format, va_list) WTF_ATTRIBUTE_PRINTF(2, 0) = 0;
// Typically a no-op for many subclasses of PrintStream, this is a hint that
// the implementation should flush its buffers if it had not done so already.
virtual void flush();
template<typename T>
void print(const T& value)
{
printInternal(*this, value);
}
template<typename T1, typename T2>
void print(const T1& value1, const T2& value2)
{
print(value1);
print(value2);
}
template<typename T1, typename T2, typename T3>
void print(const T1& value1, const T2& value2, const T3& value3)
{
print(value1);
print(value2);
print(value3);
}
template<typename T1, typename T2, typename T3, typename T4>
void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4)
{
print(value1);
print(value2);
print(value3);
print(value4);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5>
void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5)
{
print(value1);
print(value2);
print(value3);
print(value4);
print(value5);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6)
{
print(value1);
print(value2);
print(value3);
print(value4);
print(value5);
print(value6);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7>
void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7)
{
print(value1);
print(value2);
print(value3);
print(value4);
print(value5);
print(value6);
print(value7);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8>
void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8)
{
print(value1);
print(value2);
print(value3);
print(value4);
print(value5);
print(value6);
print(value7);
print(value8);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9>
void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9)
{
print(value1);
print(value2);
print(value3);
print(value4);
print(value5);
print(value6);
print(value7);
print(value8);
print(value9);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10>
void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9, const T10& value10)
{
print(value1);
print(value2);
print(value3);
print(value4);
print(value5);
print(value6);
print(value7);
print(value8);
print(value9);
print(value10);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10, typename T11>
void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9, const T10& value10, const T11& value11)
{
print(value1);
print(value2);
print(value3);
print(value4);
print(value5);
print(value6);
print(value7);
print(value8);
print(value9);
print(value10);
print(value11);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10, typename T11, typename T12>
void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9, const T10& value10, const T11& value11, const T12& value12)
{
print(value1);
print(value2);
print(value3);
print(value4);
print(value5);
print(value6);
print(value7);
print(value8);
print(value9);
print(value10);
print(value11);
print(value12);
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9, typename T10, typename T11, typename T12, typename T13>
void print(const T1& value1, const T2& value2, const T3& value3, const T4& value4, const T5& value5, const T6& value6, const T7& value7, const T8& value8, const T9& value9, const T10& value10, const T11& value11, const T12& value12, const T13& value13)
{
print(value1);
print(value2);
print(value3);
print(value4);
print(value5);
print(value6);
print(value7);
print(value8);
print(value9);
print(value10);
print(value11);
print(value12);
print(value13);
}
};
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, const char*);
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, const CString&);
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, const String&);
inline void printInternal(PrintStream& out, char* value) { printInternal(out, static_cast<const char*>(value)); }
inline void printInternal(PrintStream& out, CString& value) { printInternal(out, static_cast<const CString&>(value)); }
inline void printInternal(PrintStream& out, String& value) { printInternal(out, static_cast<const String&>(value)); }
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, bool);
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, int);
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, unsigned);
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, long);
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, unsigned long);
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, long long);
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, unsigned long long);
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, float);
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, double);
WTF_EXPORT_PRIVATE void printInternal(PrintStream&, RawPointer);
template<typename T>
void printInternal(PrintStream& out, const T& value)
{
value.dump(out);
}
#define MAKE_PRINT_ADAPTOR(Name, Type, function) \
class Name { \
public: \
Name(const Type& value) \
: m_value(value) \
{ \
} \
void dump(PrintStream& out) const \
{ \
function(out, m_value); \
} \
private: \
Type m_value; \
}
#define MAKE_PRINT_METHOD_ADAPTOR(Name, Type, method) \
class Name { \
public: \
Name(const Type& value) \
: m_value(value) \
{ \
} \
void dump(PrintStream& out) const \
{ \
m_value.method(out); \
} \
private: \
const Type& m_value; \
}
#define MAKE_PRINT_METHOD(Type, dumpMethod, method) \
MAKE_PRINT_METHOD_ADAPTOR(DumperFor_##method, Type, dumpMethod); \
DumperFor_##method method() const { return DumperFor_##method(*this); }
// Use an adaptor-based dumper for characters to avoid situations where
// you've "compressed" an integer to a character and it ends up printing
// as ASCII when you wanted it to print as a number.
void dumpCharacter(PrintStream&, char);
MAKE_PRINT_ADAPTOR(CharacterDump, char, dumpCharacter);
template<typename T>
class PointerDump {
public:
PointerDump(const T* ptr)
: m_ptr(ptr)
{
}
void dump(PrintStream& out) const
{
if (m_ptr)
printInternal(out, *m_ptr);
else
out.print("(null)");
}
private:
const T* m_ptr;
};
template<typename T>
PointerDump<T> pointerDump(const T* ptr) { return PointerDump<T>(ptr); }
} // namespace WTF
using WTF::CharacterDump;
using WTF::PointerDump;
using WTF::PrintStream;
using WTF::pointerDump;
#endif // PrintStream_h
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