// (C) Copyright Gennadiy Rozental 2001.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/test for the library home page.
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//
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// File : $RCSfile$
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//
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// Version : $Revision$
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//
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// Description : contains definition for setcolor iostream manipulator
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// ***************************************************************************
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#ifndef BOOST_TEST_UTILS_SETCOLOR_HPP
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#define BOOST_TEST_UTILS_SETCOLOR_HPP
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// Boost.Test
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#include <boost/test/detail/config.hpp>
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#include <boost/core/ignore_unused.hpp>
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// STL
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#include <iostream>
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#include <cstdio>
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#include <cassert>
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#include <boost/test/detail/suppress_warnings.hpp>
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#ifdef _WIN32
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#include <windows.h>
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#if defined(__MINGW32__) && !defined(COMMON_LVB_UNDERSCORE)
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// mingw badly mimicking windows.h
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#define COMMON_LVB_UNDERSCORE 0x8000
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#endif
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#endif
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//____________________________________________________________________________//
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namespace boost {
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namespace unit_test {
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namespace utils {
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// ************************************************************************** //
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// ************** term_attr ************** //
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// ************************************************************************** //
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struct term_attr { enum _ {
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NORMAL = 0,
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BRIGHT = 1,
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DIM = 2,
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UNDERLINE = 4,
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BLINK = 5,
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REVERSE = 7,
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CROSSOUT = 9
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}; };
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// ************************************************************************** //
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// ************** term_color ************** //
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// ************************************************************************** //
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struct term_color { enum _ {
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BLACK = 0,
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RED = 1,
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GREEN = 2,
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YELLOW = 3,
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BLUE = 4,
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MAGENTA = 5,
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CYAN = 6,
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WHITE = 7,
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ORIGINAL = 9
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}; };
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// ************************************************************************** //
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// ************** setcolor ************** //
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// ************************************************************************** //
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#ifndef _WIN32
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class setcolor {
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public:
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typedef int state;
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// Constructor
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explicit setcolor( bool is_color_output = false,
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term_attr::_ attr = term_attr::NORMAL,
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term_color::_ fg = term_color::ORIGINAL,
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term_color::_ bg = term_color::ORIGINAL,
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state* /* unused */= NULL)
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: m_is_color_output(is_color_output)
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{
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m_command_size = std::sprintf( m_control_command, "%c[%c;3%c;4%cm",
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0x1B,
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static_cast<char>(attr + '0'),
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static_cast<char>(fg + '0'),
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static_cast<char>(bg + '0'));
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}
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explicit setcolor(bool is_color_output,
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state* /* unused */)
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: m_is_color_output(is_color_output)
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{
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m_command_size = std::sprintf(m_control_command, "%c[%c;3%c;4%cm",
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0x1B,
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static_cast<char>(term_attr::NORMAL + '0'),
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static_cast<char>(term_color::ORIGINAL + '0'),
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static_cast<char>(term_color::ORIGINAL + '0'));
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}
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friend std::ostream&
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operator<<( std::ostream& os, setcolor const& sc )
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{
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if (sc.m_is_color_output && (&os == &std::cout || &os == &std::cerr)) {
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return os.write( sc.m_control_command, sc.m_command_size );
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}
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return os;
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}
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private:
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// Data members
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bool m_is_color_output;
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char m_control_command[13];
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int m_command_size;
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};
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#else
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class setcolor {
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protected:
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void set_console_color(std::ostream& os, WORD *attributes = NULL) const {
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if (!m_is_color_output || m_state_saved) {
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return;
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}
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DWORD console_type;
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if (&os == &std::cout) {
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console_type = STD_OUTPUT_HANDLE;
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}
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else if (&os == &std::cerr) {
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console_type = STD_ERROR_HANDLE;
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}
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else {
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return;
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}
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HANDLE hConsole = GetStdHandle(console_type);
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if(hConsole == INVALID_HANDLE_VALUE || hConsole == NULL )
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return;
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state console_attributes;
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if(attributes != NULL || (m_restore_state && m_s)) {
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if (attributes != NULL) {
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console_attributes = *attributes;
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}
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else {
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console_attributes = *m_s;
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*m_s = state();
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}
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SetConsoleTextAttribute(hConsole, console_attributes);
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return;
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}
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CONSOLE_SCREEN_BUFFER_INFO consoleInfo;
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GetConsoleScreenBufferInfo(hConsole, &consoleInfo);
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console_attributes = consoleInfo.wAttributes;
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if (!m_state_saved && m_s) {
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assert(!m_restore_state);
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// we can save the state only the first time this object is used
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// for modifying the console.
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*m_s = console_attributes;
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m_state_saved = true;
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}
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WORD fg_attr = 0;
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switch(m_fg)
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{
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case term_color::WHITE:
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fg_attr = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
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break;
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case term_color::BLACK:
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fg_attr = 0;
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break;
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case term_color::RED:
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fg_attr = FOREGROUND_RED;
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break;
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case term_color::GREEN:
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fg_attr = FOREGROUND_GREEN;
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break;
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case term_color::CYAN:
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fg_attr = FOREGROUND_GREEN | FOREGROUND_BLUE;
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break;
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case term_color::MAGENTA:
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fg_attr = FOREGROUND_RED | FOREGROUND_BLUE;
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break;
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case term_color::BLUE:
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fg_attr = FOREGROUND_BLUE;
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break;
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case term_color::YELLOW:
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fg_attr = FOREGROUND_RED | FOREGROUND_GREEN;
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break;
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case term_color::ORIGINAL:
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default:
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fg_attr = console_attributes & (FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE);
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break;
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}
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WORD bg_attr = 0;
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switch(m_bg)
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{
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case term_color::BLACK:
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bg_attr = 0;
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break;
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case term_color::WHITE:
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bg_attr = BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE;
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break;
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case term_color::RED:
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bg_attr = BACKGROUND_RED;
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break;
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case term_color::GREEN:
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bg_attr = BACKGROUND_GREEN;
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break;
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case term_color::BLUE:
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bg_attr = BACKGROUND_BLUE;
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break;
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case term_color::ORIGINAL:
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default:
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bg_attr = console_attributes & (BACKGROUND_RED | BACKGROUND_GREEN | BACKGROUND_BLUE);
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break;
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}
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WORD text_attr = 0;
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switch(m_attr)
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{
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case term_attr::BRIGHT:
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text_attr = FOREGROUND_INTENSITY;
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break;
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case term_attr::UNDERLINE:
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text_attr = COMMON_LVB_UNDERSCORE;
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break;
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default:
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break;
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}
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SetConsoleTextAttribute(hConsole, fg_attr | bg_attr | text_attr);
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return;
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}
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public:
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typedef WORD state;
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// Constructor
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explicit setcolor(
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bool is_color_output = false,
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term_attr::_ attr = term_attr::NORMAL,
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term_color::_ fg = term_color::ORIGINAL,
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term_color::_ bg = term_color::ORIGINAL,
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state* s = NULL)
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: m_is_color_output(is_color_output)
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, m_attr(attr)
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, m_fg(fg)
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, m_bg(bg)
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, m_s(s)
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, m_restore_state(false)
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, m_state_saved(false)
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{}
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explicit setcolor(
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bool is_color_output,
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state* s)
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: m_is_color_output(is_color_output)
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, m_attr(term_attr::NORMAL)
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, m_fg(term_color::ORIGINAL)
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, m_bg(term_color::ORIGINAL)
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, m_s(s)
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, m_restore_state(true)
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, m_state_saved(false)
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{}
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friend std::ostream&
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operator<<( std::ostream& os, setcolor const& sc )
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{
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sc.set_console_color(os);
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return os;
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}
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private:
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bool m_is_color_output;
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term_attr::_ m_attr;
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term_color::_ m_fg;
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term_color::_ m_bg;
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state* m_s;
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// indicates that the instance has been initialized to restore a previously
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// stored state
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bool m_restore_state;
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// indicates the first time we pull and set the console information.
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mutable bool m_state_saved;
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};
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#endif
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// ************************************************************************** //
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// ************** scope_setcolor ************** //
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// ************************************************************************** //
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struct scope_setcolor {
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scope_setcolor()
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: m_os( 0 )
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, m_state()
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, m_is_color_output(false)
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{}
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explicit scope_setcolor(
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bool is_color_output,
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std::ostream& os,
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term_attr::_ attr = term_attr::NORMAL,
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term_color::_ fg = term_color::ORIGINAL,
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term_color::_ bg = term_color::ORIGINAL )
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: m_os( &os )
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, m_is_color_output(is_color_output)
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{
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os << setcolor(is_color_output, attr, fg, bg, &m_state);
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}
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~scope_setcolor()
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{
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if (m_os) {
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*m_os << setcolor(m_is_color_output, &m_state);
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}
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}
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private:
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scope_setcolor(const scope_setcolor& r);
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scope_setcolor& operator=(const scope_setcolor& r);
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// Data members
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std::ostream* m_os;
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setcolor::state m_state;
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bool m_is_color_output;
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};
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#define BOOST_TEST_SCOPE_SETCOLOR( is_color_output, os, attr, color ) \
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utils::scope_setcolor const sc(is_color_output, os, utils::attr, utils::color); \
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boost::ignore_unused( sc ) \
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/**/
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} // namespace utils
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} // namespace unit_test
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} // namespace boost
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#include <boost/test/detail/enable_warnings.hpp>
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#endif // BOOST_TEST_UTILS_SETCOLOR_HPP
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