#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 class LineMode { SingleLine, MultipleLine };
TextStream(LineMode lineMode = LineMode::MultipleLine)
: 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&);
WEBCORE_EXPORT TextStream& operator<<(const FormatNumberRespectingIntegers&);
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();
WEBCORE_EXPORT void increaseIndent() { ++m_indent; }
WEBCORE_EXPORT void decreaseIndent() { --m_indent; 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;
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