[1452] | 1 | //#--------------------------------------------------------------------------- |
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| 2 | //# PKSmsg.cc: Message handling for the PKSIO classes. |
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| 3 | //#--------------------------------------------------------------------------- |
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| 4 | //# Copyright (C) 2008 |
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| 5 | //# Associated Universities, Inc. Washington DC, USA. |
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| 6 | //# |
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| 7 | //# This library is free software; you can redistribute it and/or modify it |
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| 8 | //# under the terms of the GNU Library General Public License as published by |
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| 9 | //# the Free Software Foundation; either version 2 of the License, or (at your |
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| 10 | //# option) any later version. |
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| 11 | //# |
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| 12 | //# This library is distributed in the hope that it will be useful, but WITHOUT |
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| 13 | //# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 14 | //# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public |
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| 15 | //# License for more details. |
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| 16 | //# |
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| 17 | //# You should have received a copy of the GNU Library General Public License |
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| 18 | //# along with this library; if not, write to the Free Software Foundation, |
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| 19 | //# Inc., 675 Massachusetts Ave, Cambridge, MA 02139, USA. |
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| 20 | //# |
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| 21 | //# Correspondence concerning AIPS++ should be addressed as follows: |
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| 22 | //# Internet email: aips2-request@nrao.edu. |
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| 23 | //# Postal address: AIPS++ Project Office |
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| 24 | //# National Radio Astronomy Observatory |
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| 25 | //# 520 Edgemont Road |
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| 26 | //# Charlottesville, VA 22903-2475 USA |
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| 27 | //# |
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| 28 | //# $Id: PKSmsg.cc,v 1.2 2008-11-17 06:57:44 cal103 Exp $ |
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| 29 | //#--------------------------------------------------------------------------- |
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| 30 | //# Original: 2008/09/18, Mark Calabretta, ATNF |
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| 31 | //#--------------------------------------------------------------------------- |
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| 32 | |
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| 33 | #include <atnf/PKSIO/PKSmsg.h> |
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| 34 | |
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| 35 | #include <casa/stdio.h> |
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| 36 | |
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| 37 | #include <string> |
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| 38 | |
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| 39 | //------------------------------------------------------------- PKSmsg::PKSmsg |
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| 40 | |
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| 41 | // Default constructor. |
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| 42 | |
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| 43 | PKSmsg::PKSmsg() |
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| 44 | { |
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| 45 | initMsg(); |
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| 46 | } |
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| 47 | |
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| 48 | void PKSmsg::initMsg() |
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| 49 | { |
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| 50 | cMsgFD = stderr; |
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| 51 | cMsgLen = 0; |
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| 52 | cMsgBuff = 0x0; |
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| 53 | cMsgIdx = cMsgBuff; |
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| 54 | cNMsg = 0; |
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| 55 | } |
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| 56 | |
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| 57 | //------------------------------------------------------------ PKSmsg::~PKSmsg |
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| 58 | |
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| 59 | // Destructor. |
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| 60 | |
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| 61 | PKSmsg::~PKSmsg() |
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| 62 | { |
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| 63 | delete [] cMsgBuff; |
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| 64 | cMsgBuff = 0x0; |
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| 65 | cMsgIdx = cMsgBuff; |
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| 66 | } |
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| 67 | |
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| 68 | //------------------------------------------------------------- PKSmsg::setMsg |
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| 69 | |
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| 70 | // Set message disposition. If fd is non-zero messages will be written |
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| 71 | // to that file descriptor, else stored for retrieval by getMsg(). |
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| 72 | |
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| 73 | int PKSmsg::setMsg(FILE *fd) |
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| 74 | { |
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| 75 | cMsgFD = fd; |
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| 76 | |
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| 77 | if (cMsgFD == 0x0) { |
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| 78 | clearMsg(); |
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| 79 | |
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| 80 | } else { |
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| 81 | delete [] cMsgBuff; |
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| 82 | cMsgLen = 0; |
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| 83 | cMsgBuff = 0x0; |
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| 84 | cMsgIdx = cMsgBuff; |
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| 85 | } |
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| 86 | |
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| 87 | return 0; |
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| 88 | } |
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| 89 | |
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| 90 | //------------------------------------------------------------- PKSmsg::logMsg |
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| 91 | |
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| 92 | // Log a message. |
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| 93 | |
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| 94 | void PKSmsg::logMsg(const char *msg) |
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| 95 | { |
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| 96 | if (msg) { |
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| 97 | if (cMsgFD) { |
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| 98 | fprintf(cMsgFD, "%s\n", msg); |
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| 99 | |
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| 100 | } else { |
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| 101 | // Expand the message buffer if necessary. |
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| 102 | if (!cMsgBuff) { |
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| 103 | cMsgLen = 128; |
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| 104 | cMsgBuff = new char[cMsgLen]; |
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| 105 | cMsgIdx = cMsgBuff; |
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| 106 | clearMsg(); |
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| 107 | } |
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| 108 | |
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| 109 | int used = strlen(cMsgBuff); |
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| 110 | int free = cMsgLen - (used + 1); |
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| 111 | int xtra = 1 + strlen(msg); |
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| 112 | if (free < xtra) { |
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| 113 | if (xtra < 128) xtra = 128; |
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| 114 | cMsgLen += xtra; |
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| 115 | char *newBuff = new char[cMsgLen]; |
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| 116 | strcpy(newBuff, cMsgBuff); |
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| 117 | delete [] cMsgBuff; |
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| 118 | cMsgBuff = newBuff; |
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| 119 | cMsgIdx = cMsgBuff; |
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| 120 | } |
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| 121 | |
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| 122 | sprintf(cMsgBuff+used, "%s%s", ((cNMsg++)?"\n":""), msg); |
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| 123 | } |
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| 124 | } |
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| 125 | } |
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| 126 | |
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| 127 | //------------------------------------------------------------- PKSmsg::getMsg |
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| 128 | |
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| 129 | // Get a message string, or 0x0 if there is none. |
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| 130 | |
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| 131 | const char *PKSmsg::getMsg() |
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| 132 | { |
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| 133 | if (cMsgBuff && *cMsgBuff) { |
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| 134 | cMsgIdx = cMsgBuff; |
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| 135 | return cMsgBuff; |
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| 136 | } |
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| 137 | |
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| 138 | return 0x0; |
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| 139 | } |
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| 140 | |
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| 141 | |
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| 142 | // Get the next group of messages by type: ERROR, WARNING, or otherwise. |
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| 143 | |
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| 144 | const char *PKSmsg::getMsg(msgType &type) |
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| 145 | { |
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| 146 | if (cMsgIdx && *cMsgIdx) { |
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| 147 | if (strncmp(cMsgIdx, "ERROR", 5) == 0) { |
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| 148 | type = ERROR; |
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| 149 | } else if (strncmp(cMsgIdx, "WARNING", 7) == 0) { |
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| 150 | type = WARNING; |
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| 151 | } else { |
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| 152 | type = NORMAL; |
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| 153 | } |
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| 154 | |
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| 155 | // Gather multi-line messages. |
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| 156 | char *cp = cMsgIdx; |
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| 157 | while ((cMsgIdx = strchr(cMsgIdx, '\n'))) { |
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| 158 | cMsgIdx++; |
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| 159 | |
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| 160 | if (type == ERROR) { |
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| 161 | if (strncmp(cMsgIdx, "ERROR", 5) == 0 || |
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| 162 | strncmp(cMsgIdx, " ", 5) == 0) { |
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| 163 | continue; |
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| 164 | } |
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| 165 | |
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| 166 | } else if (type == WARNING) { |
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| 167 | if (strncmp(cMsgIdx, "WARNING", 7) == 0 || |
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| 168 | strncmp(cMsgIdx, " ", 7) == 0) { |
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| 169 | continue; |
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| 170 | } |
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| 171 | |
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| 172 | } else { |
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| 173 | if (strncmp(cMsgIdx, "ERROR", 5) || |
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| 174 | strncmp(cMsgIdx, "WARNING", 7)) { |
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| 175 | continue; |
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| 176 | } |
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| 177 | } |
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| 178 | |
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| 179 | *(cMsgIdx-1) = '\0'; |
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| 180 | break; |
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| 181 | } |
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| 182 | |
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| 183 | return cp; |
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| 184 | } |
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| 185 | |
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| 186 | return 0x0; |
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| 187 | } |
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| 188 | |
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| 189 | //----------------------------------------------------------- PKSmsg::clearMsg |
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| 190 | |
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| 191 | // Clear the message buffer. |
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| 192 | |
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| 193 | void PKSmsg::clearMsg(void) |
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| 194 | { |
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| 195 | if (cMsgBuff) *cMsgBuff = '\0'; |
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| 196 | cMsgIdx = cMsgBuff; |
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| 197 | cNMsg = 0; |
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| 198 | } |
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