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