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-rwxr-xr-xCPP/7zip/UI/Console/PercentPrinter.cpp90
1 files changed, 90 insertions, 0 deletions
diff --git a/CPP/7zip/UI/Console/PercentPrinter.cpp b/CPP/7zip/UI/Console/PercentPrinter.cpp
new file mode 100755
index 0000000..111ae25
--- /dev/null
+++ b/CPP/7zip/UI/Console/PercentPrinter.cpp
@@ -0,0 +1,90 @@
+// PercentPrinter.cpp
+
+#include "StdAfx.h"
+
+#include "Common/IntToString.h"
+#include "Common/MyString.h"
+
+#include "PercentPrinter.h"
+
+const int kPaddingSize = 2;
+const int kPercentsSize = 4;
+const int kMaxExtraSize = kPaddingSize + 32 + kPercentsSize;
+
+static void ClearPrev(char *p, int num)
+{
+ int 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];
+ ConvertUInt64ToString(((m_Total == 0) ? 0 : (m_CurValue * 100 / m_Total)), s);
+ int size = (int)strlen(s);
+ s[size++] = '%';
+ s[size] = '\0';
+
+ int extraSize = kPaddingSize + MyMax(size, kPercentsSize);
+ if (extraSize < m_NumExtraChars)
+ extraSize = m_NumExtraChars;
+
+ char fullString[kMaxExtraSize * 3];
+ char *p = fullString;
+ int 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 < m_NumExtraChars; 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();
+}