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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 212 | dhylands | 1 | /**************************************************************************** |
| 2 | * |
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| 3 | * Copyright (c) 2003 Dave Hylands |
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| 4 | * All Rights Reserved |
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| 5 | * |
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| 6 | * Permission is granted to any individual or institution to use, copy, or |
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| 7 | * redistribute this software so long as it is not sold for profit, and that |
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| 8 | * this copyright notice is retained. |
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| 9 | * |
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| 10 | ****************************************************************************/ |
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| 11 | /** |
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| 12 | * |
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| 13 | * @file LogMessage.cpp |
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| 14 | * |
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| 15 | * @brief Implements the message logging infrastructure. |
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| 16 | * |
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| 17 | ****************************************************************************/ |
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| 18 | |||
| 19 | // ---- Include Files ------------------------------------------------------- |
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| 20 | |||
| 21 | #include "LogMessage.h" |
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| 22 | #include <sstream> |
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| 23 | |||
| 24 | // ---- Public Variables ---------------------------------------------------- |
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| 25 | // ---- Private Constants and Types ----------------------------------------- |
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| 26 | // ---- Private Variables --------------------------------------------------- |
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| 27 | // ---- Private Function Prototypes ----------------------------------------- |
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| 28 | // ---- Functions ----------------------------------------------------------- |
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| 29 | |||
| 30 | /** |
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| 31 | * @addtogroup Log |
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| 32 | * @{ |
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| 33 | */ |
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| 34 | |||
| 35 | /** |
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| 36 | * Variable which contains the handler that performs the real logging. |
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| 37 | */ |
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| 38 | LogMessage::Handler LogMessage::m_handler = NULL; |
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| 39 | |||
| 40 | //*************************************************************************** |
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| 41 | /** |
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| 42 | * Function that causes the actual message to be logged. |
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| 43 | */ |
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| 44 | |||
| 45 | void LogMessage::Log |
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| 46 | ( |
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| 47 | LogMessage::Severity sev, ///< Message severity |
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| 48 | const char *file, ///< Filename where log occurs |
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| 49 | int lineNum ///< Line number where log occurs |
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| 50 | ) |
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| 51 | { |
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| 52 | if ( m_handler != NULL ) |
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| 53 | { |
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| 54 | std::string str = m_stream.str(); |
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| 55 | |||
| 56 | m_handler( sev, str.c_str(), file, lineNum ); |
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| 57 | } |
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| 58 | |||
| 59 | } // Log |
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| 60 | |||
| 61 | //*************************************************************************** |
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| 62 | /** |
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| 63 | * Printf function that accumulates data until a newline is encountered. |
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| 64 | * |
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| 65 | * static |
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| 66 | */ |
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| 67 | |||
| 68 | void LogMessage::PrintStr |
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| 69 | ( |
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| 70 | LogMessage::Severity sev, ///< Message severity |
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| 71 | const char *str ///< String to print |
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| 72 | ) |
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| 73 | { |
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| 74 | if ( m_handler == NULL ) |
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| 75 | { |
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| 76 | return; |
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| 77 | } |
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| 78 | |||
| 79 | static char line[ 512 ] = { 0 }; |
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| 80 | char *endLine = &line[ sizeof( line ) - 1]; |
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| 81 | const char *src = str; |
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| 82 | |||
| 83 | do |
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| 84 | { |
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| 85 | int lineLen = strlen( line ); |
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| 86 | |||
| 87 | char *dst = &line[ lineLen ]; |
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| 88 | |||
| 89 | while (( *src != '\0' ) && ( *src != '\n' ) && ( dst < endLine )) |
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| 90 | { |
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| 91 | *dst++ = *src++; |
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| 92 | } |
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| 93 | *dst = '\0'; |
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| 94 | |||
| 95 | if (( *src == '\n' ) || ( dst >= endLine )) |
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| 96 | { |
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| 97 | // Don't use the LOG macro, since it may cause memory allocation |
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| 98 | // to occur, and this routine is often called as part of the |
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| 99 | // process of dumping memory leaks |
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| 100 | |||
| 101 | m_handler( sev, line, __FILE__, __LINE__ ); |
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| 102 | |||
| 103 | line[ 0 ] = '\0'; |
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| 104 | |||
| 105 | if ( *src == '\n' ) |
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| 106 | { |
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| 107 | src++; |
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| 108 | } |
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| 109 | } |
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| 110 | |||
| 111 | } while ( *src != '\0' ); |
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| 112 | |||
| 113 | } // Printf |
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| 114 | |||
| 115 | /** @} */ |
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| 116 |