1 files changed, 102 insertions, 0 deletions
diff --git a/src/libs/3rdparty/7zip/unix/CPP/7zip/UI/Console/PercentPrinter.cpp b/src/libs/3rdparty/7zip/unix/CPP/7zip/UI/Console/PercentPrinter.cpp
new file mode 100644
index 000000000..f2889957a
--- /dev/null
+++ b/src/libs/3rdparty/7zip/unix/CPP/7zip/UI/Console/PercentPrinter.cpp
@@ -0,0 +1,102 @@
+// 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();
+}