Added interactive CLI

Added Interactive CLI

Pull Request resolved: #242

1 files changed, 179 insertions, 0 deletions

diff --git a/contrib/restricted/patched/replxx/src/util.cxx b/contrib/restricted/patched/replxx/src/util.cxx
new file mode 100644
index 0000000000..730a7531f5
--- /dev/null
+++ b/contrib/restricted/patched/replxx/src/util.cxx
@@ -0,0 +1,179 @@
+#include <chrono>
+#include <cstdlib>
+#include <cstring>
+#include <ctime>
+#include <wctype.h>
+
+#include "util.hxx"
+#include "terminal.hxx"
+
+#undef min
+
+namespace replxx {
+
+int mk_wcwidth( char32_t );
+
+int virtual_render( char32_t const* display_, int size_, int& x_, int& y_, int screenColumns_, int promptLen_, char32_t* rendered_, int* renderedSize_ ) {
+	char32_t* out( rendered_ );
+	int visibleCount( 0 );
+	auto render = [&rendered_, &renderedSize_, &out, &visibleCount]( char32_t c_, bool visible_, bool renderAttributes_ = true ) {
+		if ( rendered_ && renderedSize_ && renderAttributes_ ) {
+			*out = c_;
+			++ out;
+			if ( visible_ ) {
+				++ visibleCount;
+			}
+		}
+	};
+	bool wrapped( false );
+	auto advance_cursor = [&x_, &y_, &screenColumns_, &wrapped]( int by_ = 1 ) {
+		wrapped = false;
+		x_ += by_;
+		if ( x_ >= screenColumns_ ) {
+			x_ = 0;
+			++ y_;
+			wrapped = true;
+		}
+	};
+	bool const renderAttributes( !!tty::out );
+	int pos( 0 );
+	while ( pos < size_ ) {
+		char32_t c( display_[pos] );
+		if ( ( c == '\n' ) || ( c == '\r' ) ) {
+			render( c, true );
+			if ( ( c == '\n' ) && ! wrapped ) {
+				++ y_;
+			}
+			x_ = promptLen_;
+			++ pos;
+			continue;
+		}
+		if ( c == '\b' ) {
+			render( c, true );
+			-- x_;
+			if ( x_ < 0 ) {
+				x_ = screenColumns_ - 1;
+				-- y_;
+			}
+			++ pos;
+			continue;
+		}
+		if ( c == '\033' ) {
+			render( c, false, renderAttributes );
+			++ pos;
+			if ( pos >= size_ ) {
+				advance_cursor( 2 );
+				continue;
+			}
+			c = display_[pos];
+			if ( c != '[' ) {
+				advance_cursor( 2 );
+				continue;
+			}
+			render( c, false, renderAttributes );
+			++ pos;
+			if ( pos >= size_ ) {
+				advance_cursor( 3 );
+				continue;
+			}
+			int codeLen( 0 );
+			while ( pos < size_ ) {
+				c = display_[pos];
+				if ( ( c != ';' ) && ( ( c < '0' ) || ( c > '9' ) ) ) {
+					break;
+				}
+				render( c, false, renderAttributes );
+				++ codeLen;
+				++ pos;
+			}
+			if ( pos >= size_ ) {
+				continue;
+			}
+			c = display_[pos];
+			if ( c != 'm' ) {
+				advance_cursor( 3 + codeLen );
+				continue;
+			}
+			render( c, false, renderAttributes );
+			++ pos;
+			continue;
+		}
+		if ( is_control_code( c ) ) {
+			render( c, true );
+			advance_cursor( 2 );
+			++ pos;
+			continue;
+		}
+		int wcw( mk_wcwidth( c ) );
+		if ( wcw < 0 ) {
+			break;
+		}
+		render( c, true );
+		advance_cursor( wcw );
+		++ pos;
+	}
+	if ( rendered_ && renderedSize_ ) {
+		*renderedSize_ = out - rendered_;
+	}
+	return ( visibleCount );
+}
+
+char const* ansi_color( Replxx::Color color_ ) {
+	int unsigned code( static_cast<int unsigned>( color_ ) );
+	int unsigned fg( code & 0xFFu );
+	int unsigned bg( ( code >> 8 ) & 0xFFu );
+	char const* bold( ( code & color::BOLD ) != 0 ? ";1" : "" );
+	char const* underline = ( ( code & color::UNDERLINE ) != 0 ? ";4" : "" );
+	static int const MAX_COLOR_CODE_SIZE( 32 );
+	static char colorBuffer[MAX_COLOR_CODE_SIZE];
+	int pos( 0 );
+	if ( ( code & static_cast<int unsigned>( Replxx::Color::DEFAULT ) ) != 0 ) {
+		pos = snprintf( colorBuffer, MAX_COLOR_CODE_SIZE, "\033[0%s%sm", underline, bold );
+	} else if ( fg <= static_cast<int unsigned>( Replxx::Color::LIGHTGRAY ) ) {
+		pos = snprintf( colorBuffer, MAX_COLOR_CODE_SIZE, "\033[0;22;3%d%s%sm", fg, underline, bold );
+	} else if ( fg <= static_cast<int unsigned>( Replxx::Color::WHITE ) ) {
+#ifdef _WIN32
+		static bool const has256colorDefault( true );
+#else
+		static bool const has256colorDefault( false );
+#endif
+		static char const* TERM( getenv( "TERM" ) );
+		static bool const has256color( TERM ? ( strstr( TERM, "256" ) != nullptr ) : has256colorDefault );
+		static char const* ansiEscapeCodeTemplate = has256color ? "\033[0;9%d%s%sm" : "\033[0;1;3%d%s%sm";
+		pos = snprintf( colorBuffer, MAX_COLOR_CODE_SIZE, ansiEscapeCodeTemplate, fg - static_cast<int>( Replxx::Color::GRAY ), underline, bold );
+	} else {
+		pos = snprintf( colorBuffer, MAX_COLOR_CODE_SIZE, "\033[0;38;5;%d%s%sm", fg, underline, bold );
+	}
+	if ( ( code & color::BACKGROUND_COLOR_SET ) == 0 ) {
+		return colorBuffer;
+	}
+	if ( bg <= static_cast<int unsigned>( Replxx::Color::WHITE ) ) {
+		if ( bg <= static_cast<int unsigned>( Replxx::Color::LIGHTGRAY ) ) {
+			snprintf( colorBuffer + pos, MAX_COLOR_CODE_SIZE - pos, "\033[4%dm", bg );
+		} else {
+			snprintf( colorBuffer + pos, MAX_COLOR_CODE_SIZE - pos, "\033[10%dm", bg - static_cast<int>( Replxx::Color::GRAY ) );
+		}
+	} else {
+		snprintf( colorBuffer + pos, MAX_COLOR_CODE_SIZE - pos, "\033[48;5;%dm", bg );
+	}
+	return colorBuffer;
+}
+
+std::string now_ms_str( void ) {
+	std::chrono::milliseconds ms( std::chrono::duration_cast<std::chrono::milliseconds>( std::chrono::system_clock::now().time_since_epoch() ) );
+	time_t t( ms.count() / 1000 );
+	tm broken;
+#ifdef _WIN32
+#define localtime_r( t, b ) localtime_s( ( b ), ( t ) )
+#endif
+	localtime_r( &t, &broken );
+#undef localtime_r
+	static int const BUFF_SIZE( 32 );
+	char str[BUFF_SIZE];
+	strftime( str, BUFF_SIZE, "%Y-%m-%d %H:%M:%S.", &broken );
+	snprintf( str + sizeof ( "YYYY-mm-dd HH:MM:SS" ), 5, "%03d", static_cast<int>( ms.count() % 1000 ) );
+	return ( str );
+}
+
+}
+