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// PercentPrinter.cpp
#include "StdAfx.h"
#include "../../../Common/Defs.h"
#include "../../../Common/IntToString.h"
#include "PercentPrinter.h"
static const unsigned kPaddingSize = 2;
static const unsigned kPercentsSize = 4;
static const unsigned kMaxExtraSize = kPaddingSize + 32 + kPercentsSize;
static void ClearPrev(char *p, unsigned num)
{
unsigned i;
for (i = 0; i < num; i++) *p++ = '\b';
for (i = 0; i < num; i++) *p++ = ' ';
for (i = 0; i < num; i++) *p++ = '\b';
*p = '\0';
}
void CPercentPrinter::ClosePrint()
{
if (m_NumExtraChars == 0)
return;
char s[kMaxExtraSize * 3 + 1];
ClearPrev(s, m_NumExtraChars);
(*OutStream) << s;
m_NumExtraChars = 0;
}
void CPercentPrinter::PrintString(const char *s)
{
ClosePrint();
(*OutStream) << s;
}
void CPercentPrinter::PrintString(const wchar_t *s)
{
ClosePrint();
(*OutStream) << s;
}
void CPercentPrinter::PrintNewLine()
{
ClosePrint();
(*OutStream) << "\n";
}
void CPercentPrinter::RePrintRatio()
{
char s[32];
unsigned size;
{
char c = '%';
UInt64 value = 0;
if (m_Total == (UInt64)(Int64)-1)
{
value = m_CurValue >> 20;
c = 'M';
}
else if (m_Total != 0)
value = m_CurValue * 100 / m_Total;
ConvertUInt64ToString(value, s);
size = (unsigned)strlen(s);
s[size++] = c;
s[size] = '\0';
}
unsigned extraSize = kPaddingSize + MyMax(size, kPercentsSize);
if (extraSize < m_NumExtraChars)
extraSize = m_NumExtraChars;
char fullString[kMaxExtraSize * 3];
char *p = fullString;
unsigned i;
if (m_NumExtraChars == 0)
{
for (i = 0; i < extraSize; i++)
*p++ = ' ';
m_NumExtraChars = extraSize;
}
for (i = 0; i < m_NumExtraChars; i++)
*p++ = '\b';
m_NumExtraChars = extraSize;
for (; size < extraSize; size++)
*p++ = ' ';
MyStringCopy(p, s);
(*OutStream) << fullString;
OutStream->Flush();
m_PrevValue = m_CurValue;
}
void CPercentPrinter::PrintRatio()
{
if (m_CurValue < m_PrevValue + m_MinStepSize &&
m_CurValue + m_MinStepSize > m_PrevValue && m_NumExtraChars != 0)
return;
RePrintRatio();
}
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