// Software License Agreement (BSD License) // // Copyright (c) 2010-2015, Deusty, LLC // All rights reserved. // // Redistribution and use of this software in source and binary forms, // with or without modification, are permitted provided that the following conditions are met: // // * Redistributions of source code must retain the above copyright notice, // this list of conditions and the following disclaimer. // // * Neither the name of Deusty nor the names of its contributors may be used // to endorse or promote products derived from this software without specific // prior written permission of Deusty, LLC. #import "DDTTYLogger.h" #import #import #if !__has_feature(objc_arc) #error This file must be compiled with ARC. Use -fobjc-arc flag (or convert project to ARC). #endif // We probably shouldn't be using DDLog() statements within the DDLog implementation. // But we still want to leave our log statements for any future debugging, // and to allow other developers to trace the implementation (which is a great learning tool). // // So we use primitive logging macros around NSLog. // We maintain the NS prefix on the macros to be explicit about the fact that we're using NSLog. #ifndef DD_NSLOG_LEVEL #define DD_NSLOG_LEVEL 2 #endif #define NSLogError(frmt, ...) do{ if(DD_NSLOG_LEVEL >= 1) NSLog((frmt), ##__VA_ARGS__); } while(0) #define NSLogWarn(frmt, ...) do{ if(DD_NSLOG_LEVEL >= 2) NSLog((frmt), ##__VA_ARGS__); } while(0) #define NSLogInfo(frmt, ...) do{ if(DD_NSLOG_LEVEL >= 3) NSLog((frmt), ##__VA_ARGS__); } while(0) #define NSLogDebug(frmt, ...) do{ if(DD_NSLOG_LEVEL >= 4) NSLog((frmt), ##__VA_ARGS__); } while(0) #define NSLogVerbose(frmt, ...) do{ if(DD_NSLOG_LEVEL >= 5) NSLog((frmt), ##__VA_ARGS__); } while(0) // Xcode does NOT natively support colors in the Xcode debugging console. // You'll need to install the XcodeColors plugin to see colors in the Xcode console. // https://github.com/robbiehanson/XcodeColors // // The following is documentation from the XcodeColors project: // // // How to apply color formatting to your log statements: // // To set the foreground color: // Insert the ESCAPE_SEQ into your string, followed by "fg124,12,255;" where r=124, g=12, b=255. // // To set the background color: // Insert the ESCAPE_SEQ into your string, followed by "bg12,24,36;" where r=12, g=24, b=36. // // To reset the foreground color (to default value): // Insert the ESCAPE_SEQ into your string, followed by "fg;" // // To reset the background color (to default value): // Insert the ESCAPE_SEQ into your string, followed by "bg;" // // To reset the foreground and background color (to default values) in one operation: // Insert the ESCAPE_SEQ into your string, followed by ";" #define XCODE_COLORS_ESCAPE_SEQ "\033[" #define XCODE_COLORS_RESET_FG XCODE_COLORS_ESCAPE_SEQ "fg;" // Clear any foreground color #define XCODE_COLORS_RESET_BG XCODE_COLORS_ESCAPE_SEQ "bg;" // Clear any background color #define XCODE_COLORS_RESET XCODE_COLORS_ESCAPE_SEQ ";" // Clear any foreground or background color // If running in a shell, not all RGB colors will be supported. // In this case we automatically map to the closest available color. // In order to provide this mapping, we have a hard-coded set of the standard RGB values available in the shell. // However, not every shell is the same, and Apple likes to think different even when it comes to shell colors. // // Map to standard Terminal.app colors (1), or // map to standard xterm colors (0). #define MAP_TO_TERMINAL_APP_COLORS 1 @interface DDTTYLoggerColorProfile : NSObject { @public DDLogFlag mask; NSInteger context; uint8_t fg_r; uint8_t fg_g; uint8_t fg_b; uint8_t bg_r; uint8_t bg_g; uint8_t bg_b; NSUInteger fgCodeIndex; NSString *fgCodeRaw; NSUInteger bgCodeIndex; NSString *bgCodeRaw; char fgCode[24]; size_t fgCodeLen; char bgCode[24]; size_t bgCodeLen; char resetCode[8]; size_t resetCodeLen; } - (instancetype)initWithForegroundColor:(DDColor *)fgColor backgroundColor:(DDColor *)bgColor flag:(DDLogFlag)mask context:(NSInteger)ctxt; @end //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// #pragma mark - //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @interface DDTTYLogger () { NSUInteger _calendarUnitFlags; NSString *_appName; char *_app; size_t _appLen; NSString *_processID; char *_pid; size_t _pidLen; BOOL _colorsEnabled; NSMutableArray *_colorProfilesArray; NSMutableDictionary *_colorProfilesDict; } @end @implementation DDTTYLogger static BOOL isaColorTTY; static BOOL isaColor256TTY; static BOOL isaXcodeColorTTY; static NSArray *codes_fg = nil; static NSArray *codes_bg = nil; static NSArray *colors = nil; static DDTTYLogger *sharedInstance; /** * Initializes the colors array, as well as the codes_fg and codes_bg arrays, for 16 color mode. * * This method is used when the application is running from within a shell that only supports 16 color mode. * This method is not invoked if the application is running within Xcode, or via normal UI app launch. **/ + (void)initialize_colors_16 { if (codes_fg || codes_bg || colors) { return; } NSMutableArray *m_codes_fg = [NSMutableArray arrayWithCapacity:16]; NSMutableArray *m_codes_bg = [NSMutableArray arrayWithCapacity:16]; NSMutableArray *m_colors = [NSMutableArray arrayWithCapacity:16]; // In a standard shell only 16 colors are supported. // // More information about ansi escape codes can be found online. // http://en.wikipedia.org/wiki/ANSI_escape_code [m_codes_fg addObject:@"30m"]; // normal - black [m_codes_fg addObject:@"31m"]; // normal - red [m_codes_fg addObject:@"32m"]; // normal - green [m_codes_fg addObject:@"33m"]; // normal - yellow [m_codes_fg addObject:@"34m"]; // normal - blue [m_codes_fg addObject:@"35m"]; // normal - magenta [m_codes_fg addObject:@"36m"]; // normal - cyan [m_codes_fg addObject:@"37m"]; // normal - gray [m_codes_fg addObject:@"1;30m"]; // bright - darkgray [m_codes_fg addObject:@"1;31m"]; // bright - red [m_codes_fg addObject:@"1;32m"]; // bright - green [m_codes_fg addObject:@"1;33m"]; // bright - yellow [m_codes_fg addObject:@"1;34m"]; // bright - blue [m_codes_fg addObject:@"1;35m"]; // bright - magenta [m_codes_fg addObject:@"1;36m"]; // bright - cyan [m_codes_fg addObject:@"1;37m"]; // bright - white [m_codes_bg addObject:@"40m"]; // normal - black [m_codes_bg addObject:@"41m"]; // normal - red [m_codes_bg addObject:@"42m"]; // normal - green [m_codes_bg addObject:@"43m"]; // normal - yellow [m_codes_bg addObject:@"44m"]; // normal - blue [m_codes_bg addObject:@"45m"]; // normal - magenta [m_codes_bg addObject:@"46m"]; // normal - cyan [m_codes_bg addObject:@"47m"]; // normal - gray [m_codes_bg addObject:@"1;40m"]; // bright - darkgray [m_codes_bg addObject:@"1;41m"]; // bright - red [m_codes_bg addObject:@"1;42m"]; // bright - green [m_codes_bg addObject:@"1;43m"]; // bright - yellow [m_codes_bg addObject:@"1;44m"]; // bright - blue [m_codes_bg addObject:@"1;45m"]; // bright - magenta [m_codes_bg addObject:@"1;46m"]; // bright - cyan [m_codes_bg addObject:@"1;47m"]; // bright - white #if MAP_TO_TERMINAL_APP_COLORS // Standard Terminal.app colors: // // These are the default colors used by Apple's Terminal.app. [m_colors addObject:DDMakeColor( 0, 0, 0)]; // normal - black [m_colors addObject:DDMakeColor(194, 54, 33)]; // normal - red [m_colors addObject:DDMakeColor( 37, 188, 36)]; // normal - green [m_colors addObject:DDMakeColor(173, 173, 39)]; // normal - yellow [m_colors addObject:DDMakeColor( 73, 46, 225)]; // normal - blue [m_colors addObject:DDMakeColor(211, 56, 211)]; // normal - magenta [m_colors addObject:DDMakeColor( 51, 187, 200)]; // normal - cyan [m_colors addObject:DDMakeColor(203, 204, 205)]; // normal - gray [m_colors addObject:DDMakeColor(129, 131, 131)]; // bright - darkgray [m_colors addObject:DDMakeColor(252, 57, 31)]; // bright - red [m_colors addObject:DDMakeColor( 49, 231, 34)]; // bright - green [m_colors addObject:DDMakeColor(234, 236, 35)]; // bright - yellow [m_colors addObject:DDMakeColor( 88, 51, 255)]; // bright - blue [m_colors addObject:DDMakeColor(249, 53, 248)]; // bright - magenta [m_colors addObject:DDMakeColor( 20, 240, 240)]; // bright - cyan [m_colors addObject:DDMakeColor(233, 235, 235)]; // bright - white #else /* if MAP_TO_TERMINAL_APP_COLORS */ // Standard xterm colors: // // These are the default colors used by most xterm shells. [m_colors addObject:DDMakeColor( 0, 0, 0)]; // normal - black [m_colors addObject:DDMakeColor(205, 0, 0)]; // normal - red [m_colors addObject:DDMakeColor( 0, 205, 0)]; // normal - green [m_colors addObject:DDMakeColor(205, 205, 0)]; // normal - yellow [m_colors addObject:DDMakeColor( 0, 0, 238)]; // normal - blue [m_colors addObject:DDMakeColor(205, 0, 205)]; // normal - magenta [m_colors addObject:DDMakeColor( 0, 205, 205)]; // normal - cyan [m_colors addObject:DDMakeColor(229, 229, 229)]; // normal - gray [m_colors addObject:DDMakeColor(127, 127, 127)]; // bright - darkgray [m_colors addObject:DDMakeColor(255, 0, 0)]; // bright - red [m_colors addObject:DDMakeColor( 0, 255, 0)]; // bright - green [m_colors addObject:DDMakeColor(255, 255, 0)]; // bright - yellow [m_colors addObject:DDMakeColor( 92, 92, 255)]; // bright - blue [m_colors addObject:DDMakeColor(255, 0, 255)]; // bright - magenta [m_colors addObject:DDMakeColor( 0, 255, 255)]; // bright - cyan [m_colors addObject:DDMakeColor(255, 255, 255)]; // bright - white #endif /* if MAP_TO_TERMINAL_APP_COLORS */ codes_fg = [m_codes_fg copy]; codes_bg = [m_codes_bg copy]; colors = [m_colors copy]; NSAssert([codes_fg count] == [codes_bg count], @"Invalid colors/codes array(s)"); NSAssert([codes_fg count] == [colors count], @"Invalid colors/codes array(s)"); } /** * Initializes the colors array, as well as the codes_fg and codes_bg arrays, for 256 color mode. * * This method is used when the application is running from within a shell that supports 256 color mode. * This method is not invoked if the application is running within Xcode, or via normal UI app launch. **/ + (void)initialize_colors_256 { if (codes_fg || codes_bg || colors) { return; } NSMutableArray *m_codes_fg = [NSMutableArray arrayWithCapacity:(256 - 16)]; NSMutableArray *m_codes_bg = [NSMutableArray arrayWithCapacity:(256 - 16)]; NSMutableArray *m_colors = [NSMutableArray arrayWithCapacity:(256 - 16)]; #if MAP_TO_TERMINAL_APP_COLORS // Standard Terminal.app colors: // // These are the colors the Terminal.app uses in xterm-256color mode. // In this mode, the terminal supports 256 different colors, specified by 256 color codes. // // The first 16 color codes map to the original 16 color codes supported by the earlier xterm-color mode. // These are actually configurable, and thus we ignore them for the purposes of mapping, // as we can't rely on them being constant. They are largely duplicated anyway. // // The next 216 color codes are designed to run the spectrum, with several shades of every color. // While the color codes are standardized, the actual RGB values for each color code is not. // Apple's Terminal.app uses different RGB values from that of a standard xterm. // Apple's choices in colors are designed to be a little nicer on the eyes. // // The last 24 color codes represent a grayscale. // // Unfortunately, unlike the standard xterm color chart, // Apple's RGB values cannot be calculated using a simple formula (at least not that I know of). // Also, I don't know of any ways to programmatically query the shell for the RGB values. // So this big giant color chart had to be made by hand. // // More information about ansi escape codes can be found online. // http://en.wikipedia.org/wiki/ANSI_escape_code // Colors [m_colors addObject:DDMakeColor( 47, 49, 49)]; [m_colors addObject:DDMakeColor( 60, 42, 144)]; [m_colors addObject:DDMakeColor( 66, 44, 183)]; [m_colors addObject:DDMakeColor( 73, 46, 222)]; [m_colors addObject:DDMakeColor( 81, 50, 253)]; [m_colors addObject:DDMakeColor( 88, 51, 255)]; [m_colors addObject:DDMakeColor( 42, 128, 37)]; [m_colors addObject:DDMakeColor( 42, 127, 128)]; [m_colors addObject:DDMakeColor( 44, 126, 169)]; [m_colors addObject:DDMakeColor( 56, 125, 209)]; [m_colors addObject:DDMakeColor( 59, 124, 245)]; [m_colors addObject:DDMakeColor( 66, 123, 255)]; [m_colors addObject:DDMakeColor( 51, 163, 41)]; [m_colors addObject:DDMakeColor( 39, 162, 121)]; [m_colors addObject:DDMakeColor( 42, 161, 162)]; [m_colors addObject:DDMakeColor( 53, 160, 202)]; [m_colors addObject:DDMakeColor( 45, 159, 240)]; [m_colors addObject:DDMakeColor( 58, 158, 255)]; [m_colors addObject:DDMakeColor( 31, 196, 37)]; [m_colors addObject:DDMakeColor( 48, 196, 115)]; [m_colors addObject:DDMakeColor( 39, 195, 155)]; [m_colors addObject:DDMakeColor( 49, 195, 195)]; [m_colors addObject:DDMakeColor( 32, 194, 235)]; [m_colors addObject:DDMakeColor( 53, 193, 255)]; [m_colors addObject:DDMakeColor( 50, 229, 35)]; [m_colors addObject:DDMakeColor( 40, 229, 109)]; [m_colors addObject:DDMakeColor( 27, 229, 149)]; [m_colors addObject:DDMakeColor( 49, 228, 189)]; [m_colors addObject:DDMakeColor( 33, 228, 228)]; [m_colors addObject:DDMakeColor( 53, 227, 255)]; [m_colors addObject:DDMakeColor( 27, 254, 30)]; [m_colors addObject:DDMakeColor( 30, 254, 103)]; [m_colors addObject:DDMakeColor( 45, 254, 143)]; [m_colors addObject:DDMakeColor( 38, 253, 182)]; [m_colors addObject:DDMakeColor( 38, 253, 222)]; [m_colors addObject:DDMakeColor( 42, 253, 252)]; [m_colors addObject:DDMakeColor(140, 48, 40)]; [m_colors addObject:DDMakeColor(136, 51, 136)]; [m_colors addObject:DDMakeColor(135, 52, 177)]; [m_colors addObject:DDMakeColor(134, 52, 217)]; [m_colors addObject:DDMakeColor(135, 56, 248)]; [m_colors addObject:DDMakeColor(134, 53, 255)]; [m_colors addObject:DDMakeColor(125, 125, 38)]; [m_colors addObject:DDMakeColor(124, 125, 125)]; [m_colors addObject:DDMakeColor(122, 124, 166)]; [m_colors addObject:DDMakeColor(123, 124, 207)]; [m_colors addObject:DDMakeColor(123, 122, 247)]; [m_colors addObject:DDMakeColor(124, 121, 255)]; [m_colors addObject:DDMakeColor(119, 160, 35)]; [m_colors addObject:DDMakeColor(117, 160, 120)]; [m_colors addObject:DDMakeColor(117, 160, 160)]; [m_colors addObject:DDMakeColor(115, 159, 201)]; [m_colors addObject:DDMakeColor(116, 158, 240)]; [m_colors addObject:DDMakeColor(117, 157, 255)]; [m_colors addObject:DDMakeColor(113, 195, 39)]; [m_colors addObject:DDMakeColor(110, 194, 114)]; [m_colors addObject:DDMakeColor(111, 194, 154)]; [m_colors addObject:DDMakeColor(108, 194, 194)]; [m_colors addObject:DDMakeColor(109, 193, 234)]; [m_colors addObject:DDMakeColor(108, 192, 255)]; [m_colors addObject:DDMakeColor(105, 228, 30)]; [m_colors addObject:DDMakeColor(103, 228, 109)]; [m_colors addObject:DDMakeColor(105, 228, 148)]; [m_colors addObject:DDMakeColor(100, 227, 188)]; [m_colors addObject:DDMakeColor( 99, 227, 227)]; [m_colors addObject:DDMakeColor( 99, 226, 253)]; [m_colors addObject:DDMakeColor( 92, 253, 34)]; [m_colors addObject:DDMakeColor( 96, 253, 103)]; [m_colors addObject:DDMakeColor( 97, 253, 142)]; [m_colors addObject:DDMakeColor( 88, 253, 182)]; [m_colors addObject:DDMakeColor( 93, 253, 221)]; [m_colors addObject:DDMakeColor( 88, 254, 251)]; [m_colors addObject:DDMakeColor(177, 53, 34)]; [m_colors addObject:DDMakeColor(174, 54, 131)]; [m_colors addObject:DDMakeColor(172, 55, 172)]; [m_colors addObject:DDMakeColor(171, 57, 213)]; [m_colors addObject:DDMakeColor(170, 55, 249)]; [m_colors addObject:DDMakeColor(170, 57, 255)]; [m_colors addObject:DDMakeColor(165, 123, 37)]; [m_colors addObject:DDMakeColor(163, 123, 123)]; [m_colors addObject:DDMakeColor(162, 123, 164)]; [m_colors addObject:DDMakeColor(161, 122, 205)]; [m_colors addObject:DDMakeColor(161, 121, 241)]; [m_colors addObject:DDMakeColor(161, 121, 255)]; [m_colors addObject:DDMakeColor(158, 159, 33)]; [m_colors addObject:DDMakeColor(157, 158, 118)]; [m_colors addObject:DDMakeColor(157, 158, 159)]; [m_colors addObject:DDMakeColor(155, 157, 199)]; [m_colors addObject:DDMakeColor(155, 157, 239)]; [m_colors addObject:DDMakeColor(154, 156, 255)]; [m_colors addObject:DDMakeColor(152, 193, 40)]; [m_colors addObject:DDMakeColor(151, 193, 113)]; [m_colors addObject:DDMakeColor(150, 193, 153)]; [m_colors addObject:DDMakeColor(150, 192, 193)]; [m_colors addObject:DDMakeColor(148, 192, 232)]; [m_colors addObject:DDMakeColor(149, 191, 253)]; [m_colors addObject:DDMakeColor(146, 227, 28)]; [m_colors addObject:DDMakeColor(144, 227, 108)]; [m_colors addObject:DDMakeColor(144, 227, 147)]; [m_colors addObject:DDMakeColor(144, 227, 187)]; [m_colors addObject:DDMakeColor(142, 226, 227)]; [m_colors addObject:DDMakeColor(142, 225, 252)]; [m_colors addObject:DDMakeColor(138, 253, 36)]; [m_colors addObject:DDMakeColor(137, 253, 102)]; [m_colors addObject:DDMakeColor(136, 253, 141)]; [m_colors addObject:DDMakeColor(138, 254, 181)]; [m_colors addObject:DDMakeColor(135, 255, 220)]; [m_colors addObject:DDMakeColor(133, 255, 250)]; [m_colors addObject:DDMakeColor(214, 57, 30)]; [m_colors addObject:DDMakeColor(211, 59, 126)]; [m_colors addObject:DDMakeColor(209, 57, 168)]; [m_colors addObject:DDMakeColor(208, 55, 208)]; [m_colors addObject:DDMakeColor(207, 58, 247)]; [m_colors addObject:DDMakeColor(206, 61, 255)]; [m_colors addObject:DDMakeColor(204, 121, 32)]; [m_colors addObject:DDMakeColor(202, 121, 121)]; [m_colors addObject:DDMakeColor(201, 121, 161)]; [m_colors addObject:DDMakeColor(200, 120, 202)]; [m_colors addObject:DDMakeColor(200, 120, 241)]; [m_colors addObject:DDMakeColor(198, 119, 255)]; [m_colors addObject:DDMakeColor(198, 157, 37)]; [m_colors addObject:DDMakeColor(196, 157, 116)]; [m_colors addObject:DDMakeColor(195, 156, 157)]; [m_colors addObject:DDMakeColor(195, 156, 197)]; [m_colors addObject:DDMakeColor(194, 155, 236)]; [m_colors addObject:DDMakeColor(193, 155, 255)]; [m_colors addObject:DDMakeColor(191, 192, 36)]; [m_colors addObject:DDMakeColor(190, 191, 112)]; [m_colors addObject:DDMakeColor(189, 191, 152)]; [m_colors addObject:DDMakeColor(189, 191, 191)]; [m_colors addObject:DDMakeColor(188, 190, 230)]; [m_colors addObject:DDMakeColor(187, 190, 253)]; [m_colors addObject:DDMakeColor(185, 226, 28)]; [m_colors addObject:DDMakeColor(184, 226, 106)]; [m_colors addObject:DDMakeColor(183, 225, 146)]; [m_colors addObject:DDMakeColor(183, 225, 186)]; [m_colors addObject:DDMakeColor(182, 225, 225)]; [m_colors addObject:DDMakeColor(181, 224, 252)]; [m_colors addObject:DDMakeColor(178, 255, 35)]; [m_colors addObject:DDMakeColor(178, 255, 101)]; [m_colors addObject:DDMakeColor(177, 254, 141)]; [m_colors addObject:DDMakeColor(176, 254, 180)]; [m_colors addObject:DDMakeColor(176, 254, 220)]; [m_colors addObject:DDMakeColor(175, 253, 249)]; [m_colors addObject:DDMakeColor(247, 56, 30)]; [m_colors addObject:DDMakeColor(245, 57, 122)]; [m_colors addObject:DDMakeColor(243, 59, 163)]; [m_colors addObject:DDMakeColor(244, 60, 204)]; [m_colors addObject:DDMakeColor(242, 59, 241)]; [m_colors addObject:DDMakeColor(240, 55, 255)]; [m_colors addObject:DDMakeColor(241, 119, 36)]; [m_colors addObject:DDMakeColor(240, 120, 118)]; [m_colors addObject:DDMakeColor(238, 119, 158)]; [m_colors addObject:DDMakeColor(237, 119, 199)]; [m_colors addObject:DDMakeColor(237, 118, 238)]; [m_colors addObject:DDMakeColor(236, 118, 255)]; [m_colors addObject:DDMakeColor(235, 154, 36)]; [m_colors addObject:DDMakeColor(235, 154, 114)]; [m_colors addObject:DDMakeColor(234, 154, 154)]; [m_colors addObject:DDMakeColor(232, 154, 194)]; [m_colors addObject:DDMakeColor(232, 153, 234)]; [m_colors addObject:DDMakeColor(232, 153, 255)]; [m_colors addObject:DDMakeColor(230, 190, 30)]; [m_colors addObject:DDMakeColor(229, 189, 110)]; [m_colors addObject:DDMakeColor(228, 189, 150)]; [m_colors addObject:DDMakeColor(227, 189, 190)]; [m_colors addObject:DDMakeColor(227, 189, 229)]; [m_colors addObject:DDMakeColor(226, 188, 255)]; [m_colors addObject:DDMakeColor(224, 224, 35)]; [m_colors addObject:DDMakeColor(223, 224, 105)]; [m_colors addObject:DDMakeColor(222, 224, 144)]; [m_colors addObject:DDMakeColor(222, 223, 184)]; [m_colors addObject:DDMakeColor(222, 223, 224)]; [m_colors addObject:DDMakeColor(220, 223, 253)]; [m_colors addObject:DDMakeColor(217, 253, 28)]; [m_colors addObject:DDMakeColor(217, 253, 99)]; [m_colors addObject:DDMakeColor(216, 252, 139)]; [m_colors addObject:DDMakeColor(216, 252, 179)]; [m_colors addObject:DDMakeColor(215, 252, 218)]; [m_colors addObject:DDMakeColor(215, 251, 250)]; [m_colors addObject:DDMakeColor(255, 61, 30)]; [m_colors addObject:DDMakeColor(255, 60, 118)]; [m_colors addObject:DDMakeColor(255, 58, 159)]; [m_colors addObject:DDMakeColor(255, 56, 199)]; [m_colors addObject:DDMakeColor(255, 55, 238)]; [m_colors addObject:DDMakeColor(255, 59, 255)]; [m_colors addObject:DDMakeColor(255, 117, 29)]; [m_colors addObject:DDMakeColor(255, 117, 115)]; [m_colors addObject:DDMakeColor(255, 117, 155)]; [m_colors addObject:DDMakeColor(255, 117, 195)]; [m_colors addObject:DDMakeColor(255, 116, 235)]; [m_colors addObject:DDMakeColor(254, 116, 255)]; [m_colors addObject:DDMakeColor(255, 152, 27)]; [m_colors addObject:DDMakeColor(255, 152, 111)]; [m_colors addObject:DDMakeColor(254, 152, 152)]; [m_colors addObject:DDMakeColor(255, 152, 192)]; [m_colors addObject:DDMakeColor(254, 151, 231)]; [m_colors addObject:DDMakeColor(253, 151, 253)]; [m_colors addObject:DDMakeColor(255, 187, 33)]; [m_colors addObject:DDMakeColor(253, 187, 107)]; [m_colors addObject:DDMakeColor(252, 187, 148)]; [m_colors addObject:DDMakeColor(253, 187, 187)]; [m_colors addObject:DDMakeColor(254, 187, 227)]; [m_colors addObject:DDMakeColor(252, 186, 252)]; [m_colors addObject:DDMakeColor(252, 222, 34)]; [m_colors addObject:DDMakeColor(251, 222, 103)]; [m_colors addObject:DDMakeColor(251, 222, 143)]; [m_colors addObject:DDMakeColor(250, 222, 182)]; [m_colors addObject:DDMakeColor(251, 221, 222)]; [m_colors addObject:DDMakeColor(252, 221, 252)]; [m_colors addObject:DDMakeColor(251, 252, 15)]; [m_colors addObject:DDMakeColor(251, 252, 97)]; [m_colors addObject:DDMakeColor(249, 252, 137)]; [m_colors addObject:DDMakeColor(247, 252, 177)]; [m_colors addObject:DDMakeColor(247, 253, 217)]; [m_colors addObject:DDMakeColor(254, 255, 255)]; // Grayscale [m_colors addObject:DDMakeColor( 52, 53, 53)]; [m_colors addObject:DDMakeColor( 57, 58, 59)]; [m_colors addObject:DDMakeColor( 66, 67, 67)]; [m_colors addObject:DDMakeColor( 75, 76, 76)]; [m_colors addObject:DDMakeColor( 83, 85, 85)]; [m_colors addObject:DDMakeColor( 92, 93, 94)]; [m_colors addObject:DDMakeColor(101, 102, 102)]; [m_colors addObject:DDMakeColor(109, 111, 111)]; [m_colors addObject:DDMakeColor(118, 119, 119)]; [m_colors addObject:DDMakeColor(126, 127, 128)]; [m_colors addObject:DDMakeColor(134, 136, 136)]; [m_colors addObject:DDMakeColor(143, 144, 145)]; [m_colors addObject:DDMakeColor(151, 152, 153)]; [m_colors addObject:DDMakeColor(159, 161, 161)]; [m_colors addObject:DDMakeColor(167, 169, 169)]; [m_colors addObject:DDMakeColor(176, 177, 177)]; [m_colors addObject:DDMakeColor(184, 185, 186)]; [m_colors addObject:DDMakeColor(192, 193, 194)]; [m_colors addObject:DDMakeColor(200, 201, 202)]; [m_colors addObject:DDMakeColor(208, 209, 210)]; [m_colors addObject:DDMakeColor(216, 218, 218)]; [m_colors addObject:DDMakeColor(224, 226, 226)]; [m_colors addObject:DDMakeColor(232, 234, 234)]; [m_colors addObject:DDMakeColor(240, 242, 242)]; // Color codes int index = 16; while (index < 256) { [m_codes_fg addObject:[NSString stringWithFormat:@"38;5;%dm", index]]; [m_codes_bg addObject:[NSString stringWithFormat:@"48;5;%dm", index]]; index++; } #else /* if MAP_TO_TERMINAL_APP_COLORS */ // Standard xterm colors: // // These are the colors xterm shells use in xterm-256color mode. // In this mode, the shell supports 256 different colors, specified by 256 color codes. // // The first 16 color codes map to the original 16 color codes supported by the earlier xterm-color mode. // These are generally configurable, and thus we ignore them for the purposes of mapping, // as we can't rely on them being constant. They are largely duplicated anyway. // // The next 216 color codes are designed to run the spectrum, with several shades of every color. // The last 24 color codes represent a grayscale. // // While the color codes are standardized, the actual RGB values for each color code is not. // However most standard xterms follow a well known color chart, // which can easily be calculated using the simple formula below. // // More information about ansi escape codes can be found online. // http://en.wikipedia.org/wiki/ANSI_escape_code int index = 16; int r; // red int g; // green int b; // blue int ri; // r increment int gi; // g increment int bi; // b increment // Calculate xterm colors (using standard algorithm) int r = 0; int g = 0; int b = 0; for (ri = 0; ri < 6; ri++) { r = (ri == 0) ? 0 : 95 + (40 * (ri - 1)); for (gi = 0; gi < 6; gi++) { g = (gi == 0) ? 0 : 95 + (40 * (gi - 1)); for (bi = 0; bi < 6; bi++) { b = (bi == 0) ? 0 : 95 + (40 * (bi - 1)); [m_codes_fg addObject:[NSString stringWithFormat:@"38;5;%dm", index]]; [m_codes_bg addObject:[NSString stringWithFormat:@"48;5;%dm", index]]; [m_colors addObject:DDMakeColor(r, g, b)]; index++; } } } // Calculate xterm grayscale (using standard algorithm) r = 8; g = 8; b = 8; while (index < 256) { [m_codes_fg addObject:[NSString stringWithFormat:@"38;5;%dm", index]]; [m_codes_bg addObject:[NSString stringWithFormat:@"48;5;%dm", index]]; [m_colors addObject:DDMakeColor(r, g, b)]; r += 10; g += 10; b += 10; index++; } #endif /* if MAP_TO_TERMINAL_APP_COLORS */ codes_fg = [m_codes_fg copy]; codes_bg = [m_codes_bg copy]; colors = [m_colors copy]; NSAssert([codes_fg count] == [codes_bg count], @"Invalid colors/codes array(s)"); NSAssert([codes_fg count] == [colors count], @"Invalid colors/codes array(s)"); } + (void)getRed:(CGFloat *)rPtr green:(CGFloat *)gPtr blue:(CGFloat *)bPtr fromColor:(DDColor *)color { #if TARGET_OS_IPHONE // iOS BOOL done = NO; if ([color respondsToSelector:@selector(getRed:green:blue:alpha:)]) { done = [color getRed:rPtr green:gPtr blue:bPtr alpha:NULL]; } if (!done) { // The method getRed:green:blue:alpha: was only available starting iOS 5. // So in iOS 4 and earlier, we have to jump through hoops. CGColorSpaceRef rgbColorSpace = CGColorSpaceCreateDeviceRGB(); unsigned char pixel[4]; CGContextRef context = CGBitmapContextCreate(&pixel, 1, 1, 8, 4, rgbColorSpace, (CGBitmapInfo)(kCGBitmapAlphaInfoMask & kCGImageAlphaNoneSkipLast)); CGContextSetFillColorWithColor(context, [color CGColor]); CGContextFillRect(context, CGRectMake(0, 0, 1, 1)); if (rPtr) { *rPtr = pixel[0] / 255.0f; } if (gPtr) { *gPtr = pixel[1] / 255.0f; } if (bPtr) { *bPtr = pixel[2] / 255.0f; } CGContextRelease(context); CGColorSpaceRelease(rgbColorSpace); } #elif __has_include() // OS X with AppKit NSColor *safeColor = [color colorUsingColorSpaceName:NSCalibratedRGBColorSpace]; [safeColor getRed:rPtr green:gPtr blue:bPtr alpha:NULL]; #else /* if TARGET_OS_IPHONE */ // OS X without AppKit [color getRed:rPtr green:gPtr blue:bPtr alpha:NULL]; #endif /* if TARGET_OS_IPHONE */ } /** * Maps the given color to the closest available color supported by the shell. * The shell may support 256 colors, or only 16. * * This method loops through the known supported color set, and calculates the closest color. * The array index of that color, within the colors array, is then returned. * This array index may also be used as the index within the codes_fg and codes_bg arrays. **/ + (NSUInteger)codeIndexForColor:(DDColor *)inColor { CGFloat inR, inG, inB; [self getRed:&inR green:&inG blue:&inB fromColor:inColor]; NSUInteger bestIndex = 0; CGFloat lowestDistance = 100.0f; NSUInteger i = 0; for (DDColor *color in colors) { // Calculate Euclidean distance (lower value means closer to given color) CGFloat r, g, b; [self getRed:&r green:&g blue:&b fromColor:color]; #if CGFLOAT_IS_DOUBLE CGFloat distance = sqrt(pow(r - inR, 2.0) + pow(g - inG, 2.0) + pow(b - inB, 2.0)); #else CGFloat distance = sqrtf(powf(r - inR, 2.0f) + powf(g - inG, 2.0f) + powf(b - inB, 2.0f)); #endif NSLogVerbose(@"DDTTYLogger: %3lu : %.3f,%.3f,%.3f & %.3f,%.3f,%.3f = %.6f", (unsigned long)i, inR, inG, inB, r, g, b, distance); if (distance < lowestDistance) { bestIndex = i; lowestDistance = distance; NSLogVerbose(@"DDTTYLogger: New best index = %lu", (unsigned long)bestIndex); } i++; } return bestIndex; } + (instancetype)sharedInstance { static dispatch_once_t DDTTYLoggerOnceToken; dispatch_once(&DDTTYLoggerOnceToken, ^{ // Xcode does NOT natively support colors in the Xcode debugging console. // You'll need to install the XcodeColors plugin to see colors in the Xcode console. // // PS - Please read the header file before diving into the source code. char *xcode_colors = getenv("XcodeColors"); char *term = getenv("TERM"); if (xcode_colors && (strcmp(xcode_colors, "YES") == 0)) { isaXcodeColorTTY = YES; } else if (term) { if (strcasestr(term, "color") != NULL) { isaColorTTY = YES; isaColor256TTY = (strcasestr(term, "256") != NULL); if (isaColor256TTY) { [self initialize_colors_256]; } else { [self initialize_colors_16]; } } } NSLogInfo(@"DDTTYLogger: isaColorTTY = %@", (isaColorTTY ? @"YES" : @"NO")); NSLogInfo(@"DDTTYLogger: isaColor256TTY: %@", (isaColor256TTY ? @"YES" : @"NO")); NSLogInfo(@"DDTTYLogger: isaXcodeColorTTY: %@", (isaXcodeColorTTY ? @"YES" : @"NO")); sharedInstance = [[[self class] alloc] init]; }); return sharedInstance; } - (instancetype)init { if (sharedInstance != nil) { return nil; } if ((self = [super init])) { _calendarUnitFlags = (NSCalendarUnitYear | NSCalendarUnitMonth | NSCalendarUnitDay | NSCalendarUnitHour | NSCalendarUnitMinute | NSCalendarUnitSecond); // Initialze 'app' variable (char *) _appName = [[NSProcessInfo processInfo] processName]; _appLen = [_appName lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; if (_appLen == 0) { _appName = @""; _appLen = [_appName lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; } _app = (char *)malloc(_appLen + 1); if (_app == NULL) { return nil; } BOOL processedAppName = [_appName getCString:_app maxLength:(_appLen + 1) encoding:NSUTF8StringEncoding]; if (NO == processedAppName) { free(_app); return nil; } // Initialize 'pid' variable (char *) _processID = [NSString stringWithFormat:@"%i", (int)getpid()]; _pidLen = [_processID lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; _pid = (char *)malloc(_pidLen + 1); if (_pid == NULL) { free(_app); return nil; } BOOL processedID = [_processID getCString:_pid maxLength:(_pidLen + 1) encoding:NSUTF8StringEncoding]; if (NO == processedID) { free(_app); free(_pid); return nil; } // Initialize color stuff _colorsEnabled = NO; _colorProfilesArray = [[NSMutableArray alloc] initWithCapacity:8]; _colorProfilesDict = [[NSMutableDictionary alloc] initWithCapacity:8]; _automaticallyAppendNewlineForCustomFormatters = YES; } return self; } - (void)loadDefaultColorProfiles { [self setForegroundColor:DDMakeColor(214, 57, 30) backgroundColor:nil forFlag:DDLogFlagError]; [self setForegroundColor:DDMakeColor(204, 121, 32) backgroundColor:nil forFlag:DDLogFlagWarning]; } - (BOOL)colorsEnabled { // The design of this method is taken from the DDAbstractLogger implementation. // For extensive documentation please refer to the DDAbstractLogger implementation. // Note: The internal implementation MUST access the colorsEnabled variable directly, // This method is designed explicitly for external access. // // Using "self." syntax to go through this method will cause immediate deadlock. // This is the intended result. Fix it by accessing the ivar directly. // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster. NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure"); NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax."); dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue]; __block BOOL result; dispatch_sync(globalLoggingQueue, ^{ dispatch_sync(self.loggerQueue, ^{ result = _colorsEnabled; }); }); return result; } - (void)setColorsEnabled:(BOOL)newColorsEnabled { dispatch_block_t block = ^{ @autoreleasepool { _colorsEnabled = newColorsEnabled; if ([_colorProfilesArray count] == 0) { [self loadDefaultColorProfiles]; } } }; // The design of this method is taken from the DDAbstractLogger implementation. // For extensive documentation please refer to the DDAbstractLogger implementation. // Note: The internal implementation MUST access the colorsEnabled variable directly, // This method is designed explicitly for external access. // // Using "self." syntax to go through this method will cause immediate deadlock. // This is the intended result. Fix it by accessing the ivar directly. // Great strides have been take to ensure this is safe to do. Plus it's MUCH faster. NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure"); NSAssert(![self isOnInternalLoggerQueue], @"MUST access ivar directly, NOT via self.* syntax."); dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue]; dispatch_async(globalLoggingQueue, ^{ dispatch_async(self.loggerQueue, block); }); } - (void)setForegroundColor:(DDColor *)txtColor backgroundColor:(DDColor *)bgColor forFlag:(DDLogFlag)mask { [self setForegroundColor:txtColor backgroundColor:bgColor forFlag:mask context:LOG_CONTEXT_ALL]; } - (void)setForegroundColor:(DDColor *)txtColor backgroundColor:(DDColor *)bgColor forFlag:(DDLogFlag)mask context:(NSInteger)ctxt { dispatch_block_t block = ^{ @autoreleasepool { DDTTYLoggerColorProfile *newColorProfile = [[DDTTYLoggerColorProfile alloc] initWithForegroundColor:txtColor backgroundColor:bgColor flag:mask context:ctxt]; NSLogInfo(@"DDTTYLogger: newColorProfile: %@", newColorProfile); NSUInteger i = 0; for (DDTTYLoggerColorProfile *colorProfile in _colorProfilesArray) { if ((colorProfile->mask == mask) && (colorProfile->context == ctxt)) { break; } i++; } if (i < [_colorProfilesArray count]) { _colorProfilesArray[i] = newColorProfile; } else { [_colorProfilesArray addObject:newColorProfile]; } } }; // The design of the setter logic below is taken from the DDAbstractLogger implementation. // For documentation please refer to the DDAbstractLogger implementation. if ([self isOnInternalLoggerQueue]) { block(); } else { dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue]; NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure"); dispatch_async(globalLoggingQueue, ^{ dispatch_async(self.loggerQueue, block); }); } } - (void)setForegroundColor:(DDColor *)txtColor backgroundColor:(DDColor *)bgColor forTag:(id )tag { NSAssert([(id < NSObject >) tag conformsToProtocol: @protocol(NSCopying)], @"Invalid tag"); dispatch_block_t block = ^{ @autoreleasepool { DDTTYLoggerColorProfile *newColorProfile = [[DDTTYLoggerColorProfile alloc] initWithForegroundColor:txtColor backgroundColor:bgColor flag:(DDLogFlag)0 context:0]; NSLogInfo(@"DDTTYLogger: newColorProfile: %@", newColorProfile); _colorProfilesDict[tag] = newColorProfile; } }; // The design of the setter logic below is taken from the DDAbstractLogger implementation. // For documentation please refer to the DDAbstractLogger implementation. if ([self isOnInternalLoggerQueue]) { block(); } else { dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue]; NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure"); dispatch_async(globalLoggingQueue, ^{ dispatch_async(self.loggerQueue, block); }); } } - (void)clearColorsForFlag:(DDLogFlag)mask { [self clearColorsForFlag:mask context:0]; } - (void)clearColorsForFlag:(DDLogFlag)mask context:(NSInteger)context { dispatch_block_t block = ^{ @autoreleasepool { NSUInteger i = 0; for (DDTTYLoggerColorProfile *colorProfile in _colorProfilesArray) { if ((colorProfile->mask == mask) && (colorProfile->context == context)) { break; } i++; } if (i < [_colorProfilesArray count]) { [_colorProfilesArray removeObjectAtIndex:i]; } } }; // The design of the setter logic below is taken from the DDAbstractLogger implementation. // For documentation please refer to the DDAbstractLogger implementation. if ([self isOnInternalLoggerQueue]) { block(); } else { dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue]; NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure"); dispatch_async(globalLoggingQueue, ^{ dispatch_async(self.loggerQueue, block); }); } } - (void)clearColorsForTag:(id )tag { NSAssert([(id < NSObject >) tag conformsToProtocol: @protocol(NSCopying)], @"Invalid tag"); dispatch_block_t block = ^{ @autoreleasepool { [_colorProfilesDict removeObjectForKey:tag]; } }; // The design of the setter logic below is taken from the DDAbstractLogger implementation. // For documentation please refer to the DDAbstractLogger implementation. if ([self isOnInternalLoggerQueue]) { block(); } else { dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue]; NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure"); dispatch_async(globalLoggingQueue, ^{ dispatch_async(self.loggerQueue, block); }); } } - (void)clearColorsForAllFlags { dispatch_block_t block = ^{ @autoreleasepool { [_colorProfilesArray removeAllObjects]; } }; // The design of the setter logic below is taken from the DDAbstractLogger implementation. // For documentation please refer to the DDAbstractLogger implementation. if ([self isOnInternalLoggerQueue]) { block(); } else { dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue]; NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure"); dispatch_async(globalLoggingQueue, ^{ dispatch_async(self.loggerQueue, block); }); } } - (void)clearColorsForAllTags { dispatch_block_t block = ^{ @autoreleasepool { [_colorProfilesDict removeAllObjects]; } }; // The design of the setter logic below is taken from the DDAbstractLogger implementation. // For documentation please refer to the DDAbstractLogger implementation. if ([self isOnInternalLoggerQueue]) { block(); } else { dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue]; NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure"); dispatch_async(globalLoggingQueue, ^{ dispatch_async(self.loggerQueue, block); }); } } - (void)clearAllColors { dispatch_block_t block = ^{ @autoreleasepool { [_colorProfilesArray removeAllObjects]; [_colorProfilesDict removeAllObjects]; } }; // The design of the setter logic below is taken from the DDAbstractLogger implementation. // For documentation please refer to the DDAbstractLogger implementation. if ([self isOnInternalLoggerQueue]) { block(); } else { dispatch_queue_t globalLoggingQueue = [DDLog loggingQueue]; NSAssert(![self isOnGlobalLoggingQueue], @"Core architecture requirement failure"); dispatch_async(globalLoggingQueue, ^{ dispatch_async(self.loggerQueue, block); }); } } - (void)logMessage:(DDLogMessage *)logMessage { NSString *logMsg = logMessage->_message; BOOL isFormatted = NO; if (_logFormatter) { logMsg = [_logFormatter formatLogMessage:logMessage]; isFormatted = logMsg != logMessage->_message; } if (logMsg) { // Search for a color profile associated with the log message DDTTYLoggerColorProfile *colorProfile = nil; if (_colorsEnabled) { if (logMessage->_tag) { colorProfile = _colorProfilesDict[logMessage->_tag]; } if (colorProfile == nil) { for (DDTTYLoggerColorProfile *cp in _colorProfilesArray) { if (logMessage->_flag & cp->mask) { // Color profile set for this context? if (logMessage->_context == cp->context) { colorProfile = cp; // Stop searching break; } // Check if LOG_CONTEXT_ALL was specified as a default color for this flag if (cp->context == LOG_CONTEXT_ALL) { colorProfile = cp; // We don't break to keep searching for more specific color profiles for the context } } } } } // Convert log message to C string. // // We use the stack instead of the heap for speed if possible. // But we're extra cautious to avoid a stack overflow. NSUInteger msgLen = [logMsg lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; const BOOL useStack = msgLen < (1024 * 4); char msgStack[useStack ? (msgLen + 1) : 1]; // Analyzer doesn't like zero-size array, hence the 1 char *msg = useStack ? msgStack : (char *)malloc(msgLen + 1); if (msg == NULL) { return; } BOOL logMsgEnc = [logMsg getCString:msg maxLength:(msgLen + 1) encoding:NSUTF8StringEncoding]; if (!logMsgEnc) { if (!useStack && msg != NULL) { free(msg); } return; } // Write the log message to STDERR if (isFormatted) { // The log message has already been formatted. int iovec_len = (_automaticallyAppendNewlineForCustomFormatters) ? 5 : 4; struct iovec v[iovec_len]; if (colorProfile) { v[0].iov_base = colorProfile->fgCode; v[0].iov_len = colorProfile->fgCodeLen; v[1].iov_base = colorProfile->bgCode; v[1].iov_len = colorProfile->bgCodeLen; v[iovec_len - 1].iov_base = colorProfile->resetCode; v[iovec_len - 1].iov_len = colorProfile->resetCodeLen; } else { v[0].iov_base = ""; v[0].iov_len = 0; v[1].iov_base = ""; v[1].iov_len = 0; v[iovec_len - 1].iov_base = ""; v[iovec_len - 1].iov_len = 0; } v[2].iov_base = (char *)msg; v[2].iov_len = msgLen; if (iovec_len == 5) { v[3].iov_base = "\n"; v[3].iov_len = (msg[msgLen] == '\n') ? 0 : 1; } writev(STDERR_FILENO, v, iovec_len); } else { // The log message is unformatted, so apply standard NSLog style formatting. int len; char ts[24] = ""; size_t tsLen = 0; // Calculate timestamp. // The technique below is faster than using NSDateFormatter. if (logMessage->_timestamp) { NSDateComponents *components = [[NSCalendar autoupdatingCurrentCalendar] components:_calendarUnitFlags fromDate:logMessage->_timestamp]; NSTimeInterval epoch = [logMessage->_timestamp timeIntervalSinceReferenceDate]; int milliseconds = (int)((epoch - floor(epoch)) * 1000); len = snprintf(ts, 24, "%04ld-%02ld-%02ld %02ld:%02ld:%02ld:%03d", // yyyy-MM-dd HH:mm:ss:SSS (long)components.year, (long)components.month, (long)components.day, (long)components.hour, (long)components.minute, (long)components.second, milliseconds); tsLen = (NSUInteger)MAX(MIN(24 - 1, len), 0); } // Calculate thread ID // // How many characters do we need for the thread id? // logMessage->machThreadID is of type mach_port_t, which is an unsigned int. // // 1 hex char = 4 bits // 8 hex chars for 32 bit, plus ending '\0' = 9 char tid[9]; len = snprintf(tid, 9, "%s", [logMessage->_threadID cStringUsingEncoding:NSUTF8StringEncoding]); size_t tidLen = (NSUInteger)MAX(MIN(9 - 1, len), 0); // Here is our format: "%s %s[%i:%s] %s", timestamp, appName, processID, threadID, logMsg struct iovec v[13]; if (colorProfile) { v[0].iov_base = colorProfile->fgCode; v[0].iov_len = colorProfile->fgCodeLen; v[1].iov_base = colorProfile->bgCode; v[1].iov_len = colorProfile->bgCodeLen; v[12].iov_base = colorProfile->resetCode; v[12].iov_len = colorProfile->resetCodeLen; } else { v[0].iov_base = ""; v[0].iov_len = 0; v[1].iov_base = ""; v[1].iov_len = 0; v[12].iov_base = ""; v[12].iov_len = 0; } v[2].iov_base = ts; v[2].iov_len = tsLen; v[3].iov_base = " "; v[3].iov_len = 1; v[4].iov_base = _app; v[4].iov_len = _appLen; v[5].iov_base = "["; v[5].iov_len = 1; v[6].iov_base = _pid; v[6].iov_len = _pidLen; v[7].iov_base = ":"; v[7].iov_len = 1; v[8].iov_base = tid; v[8].iov_len = MIN((size_t)8, tidLen); // snprintf doesn't return what you might think v[9].iov_base = "] "; v[9].iov_len = 2; v[10].iov_base = (char *)msg; v[10].iov_len = msgLen; v[11].iov_base = "\n"; v[11].iov_len = (msg[msgLen] == '\n') ? 0 : 1; writev(STDERR_FILENO, v, 13); } if (!useStack) { free(msg); } } } - (NSString *)loggerName { return @"cocoa.lumberjack.ttyLogger"; } @end //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// @implementation DDTTYLoggerColorProfile - (instancetype)initWithForegroundColor:(DDColor *)fgColor backgroundColor:(DDColor *)bgColor flag:(DDLogFlag)aMask context:(NSInteger)ctxt { if ((self = [super init])) { mask = aMask; context = ctxt; CGFloat r, g, b; if (fgColor) { [DDTTYLogger getRed:&r green:&g blue:&b fromColor:fgColor]; fg_r = (uint8_t)(r * 255.0f); fg_g = (uint8_t)(g * 255.0f); fg_b = (uint8_t)(b * 255.0f); } if (bgColor) { [DDTTYLogger getRed:&r green:&g blue:&b fromColor:bgColor]; bg_r = (uint8_t)(r * 255.0f); bg_g = (uint8_t)(g * 255.0f); bg_b = (uint8_t)(b * 255.0f); } if (fgColor && isaColorTTY) { // Map foreground color to closest available shell color fgCodeIndex = [DDTTYLogger codeIndexForColor:fgColor]; fgCodeRaw = codes_fg[fgCodeIndex]; NSString *escapeSeq = @"\033["; NSUInteger len1 = [escapeSeq lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; NSUInteger len2 = [fgCodeRaw lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; BOOL escapeSeqEnc = [escapeSeq getCString:(fgCode) maxLength:(len1 + 1) encoding:NSUTF8StringEncoding]; BOOL fgCodeRawEsc = [fgCodeRaw getCString:(fgCode + len1) maxLength:(len2 + 1) encoding:NSUTF8StringEncoding]; if (!escapeSeqEnc || !fgCodeRawEsc) { return nil; } fgCodeLen = len1 + len2; } else if (fgColor && isaXcodeColorTTY) { // Convert foreground color to color code sequence const char *escapeSeq = XCODE_COLORS_ESCAPE_SEQ; int result = snprintf(fgCode, 24, "%sfg%u,%u,%u;", escapeSeq, fg_r, fg_g, fg_b); fgCodeLen = (NSUInteger)MAX(MIN(result, (24 - 1)), 0); } else { // No foreground color or no color support fgCode[0] = '\0'; fgCodeLen = 0; } if (bgColor && isaColorTTY) { // Map background color to closest available shell color bgCodeIndex = [DDTTYLogger codeIndexForColor:bgColor]; bgCodeRaw = codes_bg[bgCodeIndex]; NSString *escapeSeq = @"\033["; NSUInteger len1 = [escapeSeq lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; NSUInteger len2 = [bgCodeRaw lengthOfBytesUsingEncoding:NSUTF8StringEncoding]; BOOL escapeSeqEnc = [escapeSeq getCString:(bgCode) maxLength:(len1 + 1) encoding:NSUTF8StringEncoding]; BOOL bgCodeRawEsc = [bgCodeRaw getCString:(bgCode + len1) maxLength:(len2 + 1) encoding:NSUTF8StringEncoding]; if (!escapeSeqEnc || !bgCodeRawEsc) { return nil; } bgCodeLen = len1 + len2; } else if (bgColor && isaXcodeColorTTY) { // Convert background color to color code sequence const char *escapeSeq = XCODE_COLORS_ESCAPE_SEQ; int result = snprintf(bgCode, 24, "%sbg%u,%u,%u;", escapeSeq, bg_r, bg_g, bg_b); bgCodeLen = (NSUInteger)MAX(MIN(result, (24 - 1)), 0); } else { // No background color or no color support bgCode[0] = '\0'; bgCodeLen = 0; } if (isaColorTTY) { resetCodeLen = (NSUInteger)MAX(snprintf(resetCode, 8, "\033[0m"), 0); } else if (isaXcodeColorTTY) { resetCodeLen = (NSUInteger)MAX(snprintf(resetCode, 8, XCODE_COLORS_RESET), 0); } else { resetCode[0] = '\0'; resetCodeLen = 0; } } return self; } - (NSString *)description { return [NSString stringWithFormat: @"", self, (int)mask, (long)context, fg_r, fg_g, fg_b, bg_r, bg_g, bg_b, fgCodeRaw, bgCodeRaw]; } @end