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/*
* Copyright (C) 2004, 2008 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 TextStream_h
#define TextStream_h
#include <wtf/Forward.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
class LayoutUnit;
class TextStream {
public:
struct FormatNumberRespectingIntegers {
FormatNumberRespectingIntegers(double number) : value(number) { }
double value;
};
enum Formatting {
SVGStyleRect = 1 << 0, // "at (0,0) size 10x10"
NumberRespectingIntegers = 1 << 1,
LayoutUnitsAsIntegers = 1 << 2,
};
using FormattingFlags = unsigned;
enum class LineMode { SingleLine, MultipleLine };
TextStream(LineMode lineMode = LineMode::MultipleLine, FormattingFlags formattingFlags = 0)
: m_formattingFlags(formattingFlags)
, m_multiLineMode(lineMode == LineMode::MultipleLine)
{
}
WEBCORE_EXPORT TextStream& operator<<(bool);
WEBCORE_EXPORT TextStream& operator<<(int);
WEBCORE_EXPORT TextStream& operator<<(unsigned);
WEBCORE_EXPORT TextStream& operator<<(long);
WEBCORE_EXPORT TextStream& operator<<(unsigned long);
WEBCORE_EXPORT TextStream& operator<<(long long);
WEBCORE_EXPORT TextStream& operator<<(LayoutUnit);
WEBCORE_EXPORT TextStream& operator<<(unsigned long long);
WEBCORE_EXPORT TextStream& operator<<(float);
WEBCORE_EXPORT TextStream& operator<<(double);
WEBCORE_EXPORT TextStream& operator<<(const char*);
WEBCORE_EXPORT TextStream& operator<<(const void*);
WEBCORE_EXPORT TextStream& operator<<(const String&);
// Deprecated. Use the NumberRespectingIntegers FormattingFlag instead.
WEBCORE_EXPORT TextStream& operator<<(const FormatNumberRespectingIntegers&);
FormattingFlags formattingFlags() const { return m_formattingFlags; }
void setFormattingFlags(FormattingFlags flags) { m_formattingFlags = flags; }
bool hasFormattingFlag(Formatting flag) const { return m_formattingFlags & flag; }
template<typename T>
void dumpProperty(const String& name, const T& value)
{
TextStream& ts = *this;
ts.startGroup();
ts << name << " " << value;
ts.endGroup();
}
WEBCORE_EXPORT String release();
WEBCORE_EXPORT void startGroup();
WEBCORE_EXPORT void endGroup();
WEBCORE_EXPORT void nextLine(); // Output newline and indent.
void increaseIndent(int amount = 1) { m_indent += amount; }
void decreaseIndent(int amount = 1) { m_indent -= amount; ASSERT(m_indent >= 0); }
WEBCORE_EXPORT void writeIndent();
class GroupScope {
public:
GroupScope(TextStream& ts)
: m_stream(ts)
{
m_stream.startGroup();
}
~GroupScope()
{
m_stream.endGroup();
}
private:
TextStream& m_stream;
};
private:
StringBuilder m_text;
FormattingFlags m_formattingFlags { 0 };
int m_indent { 0 };
bool m_multiLineMode { true };
};
template<typename Item>
TextStream& operator<<(TextStream& ts, const Vector<Item>& vector)
{
ts << "[";
unsigned size = vector.size();
for (unsigned i = 0; i < size; ++i) {
ts << vector[i];
if (i < size - 1)
ts << ", ";
}
return ts << "]";
}
void writeIndent(TextStream&, int indent);
}
#endif
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