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Progressbar: add function to get bar as string

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This commit is contained in:
Sude 2016-04-27 20:47:15 +03:00
parent 3fe58a06a1
commit 037582d3b1
2 changed files with 20 additions and 10 deletions
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1
include/progressbar.h
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@ -16,6 +16,7 @@ class ProgressBar
ProgressBar(bool bUnicode, bool bColor);
virtual ~ProgressBar();
void draw(unsigned int length, double fraction);
std::string createBarString(unsigned int length, double fraction);
protected:
private:
std::vector<std::string> const m_bar_chars;

29
src/progressbar.cpp
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@ -6,6 +6,7 @@
#include "progressbar.h"
#include <cmath>
#include <sstream>
ProgressBar::ProgressBar(bool bUnicode, bool bColor)
:
@ -46,6 +47,12 @@ ProgressBar::~ProgressBar()
void ProgressBar::draw(unsigned int length, double fraction)
{
std::cout << createBarString(length, fraction);
}
std::string ProgressBar::createBarString(unsigned int length, double fraction)
{
std::ostringstream ss;
// validation
if (!std::isnormal(fraction) || (fraction < 0.0)) fraction = 0.0;
else if (fraction > 1.0) fraction = 1.0;
@ -57,29 +64,31 @@ void ProgressBar::draw(unsigned int length, double fraction)
unsigned int partial_bar_char_index = (unsigned int) std::floor((bar_part - whole_bar_chars) * 8.0);
// left border
if (m_use_color) std::cout << m_border_color;
std::cout << (m_use_unicode ? m_left_border : m_simple_left_border);
if (m_use_color) ss << m_border_color;
ss << (m_use_unicode ? m_left_border : m_simple_left_border);
// whole completed bars
if (m_use_color) std::cout << m_bar_color;
if (m_use_color) ss << m_bar_color;
unsigned int i = 0;
for (; i < whole_bar_chars_i; i++)
{
std::cout << (m_use_unicode ? m_bar_chars[8] : m_simple_bar_char);
ss << (m_use_unicode ? m_bar_chars[8] : m_simple_bar_char);
}
// partial completed bar
if (i < length) std::cout << (m_use_unicode ? m_bar_chars[partial_bar_char_index] : m_simple_empty_fill);
if (i < length) ss << (m_use_unicode ? m_bar_chars[partial_bar_char_index] : m_simple_empty_fill);
// whole unfinished bars
if (m_use_color) std::cout << COLOR_RESET;
if (m_use_color) ss << COLOR_RESET;
for (i = whole_bar_chars_i + 1; i < length; i++)
{ // first entry in m_bar_chars is assumed to be the empty bar
std::cout << (m_use_unicode ? m_bar_chars[0] : m_simple_empty_fill);
ss << (m_use_unicode ? m_bar_chars[0] : m_simple_empty_fill);
}
// right border
if (m_use_color) std::cout << m_border_color;
std::cout << (m_use_unicode ? m_right_border : m_simple_right_border);
if (m_use_color) std::cout << COLOR_RESET;
if (m_use_color) ss << m_border_color;
ss << (m_use_unicode ? m_right_border : m_simple_right_border);
if (m_use_color) ss << COLOR_RESET;
return ss.str();
}