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 | #include <cstring> |
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39 | |
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40 | //------------------------------------------------------------- PKSmsg::PKSmsg |
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41 | |
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42 | // Default constructor. |
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43 | |
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44 | PKSmsg::PKSmsg() |
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45 | { |
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46 | initMsg(); |
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47 | } |
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48 | |
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49 | void PKSmsg::initMsg() |
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50 | { |
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51 | cMsgFD = stderr; |
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52 | cMsgLen = 0; |
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53 | cMsgBuff = 0x0; |
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54 | cMsgIdx = cMsgBuff; |
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55 | cNMsg = 0; |
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56 | } |
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57 | |
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58 | //------------------------------------------------------------ PKSmsg::~PKSmsg |
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59 | |
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60 | // Destructor. |
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61 | |
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62 | PKSmsg::~PKSmsg() |
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63 | { |
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64 | delete [] cMsgBuff; |
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65 | cMsgBuff = 0x0; |
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66 | cMsgIdx = cMsgBuff; |
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67 | } |
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68 | |
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69 | //------------------------------------------------------------- PKSmsg::setMsg |
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70 | |
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71 | // Set message disposition. If fd is non-zero messages will be written |
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72 | // to that file descriptor, else stored for retrieval by getMsg(). |
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73 | |
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74 | int PKSmsg::setMsg(FILE *fd) |
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75 | { |
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76 | cMsgFD = fd; |
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77 | |
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78 | if (cMsgFD == 0x0) { |
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79 | clearMsg(); |
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80 | |
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81 | } else { |
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82 | delete [] cMsgBuff; |
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83 | cMsgLen = 0; |
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84 | cMsgBuff = 0x0; |
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85 | cMsgIdx = cMsgBuff; |
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86 | } |
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87 | |
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88 | return 0; |
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89 | } |
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90 | |
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91 | //------------------------------------------------------------- PKSmsg::logMsg |
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92 | |
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93 | // Log a message. |
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94 | |
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95 | void PKSmsg::logMsg(const char *msg) |
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96 | { |
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97 | if (msg) { |
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98 | if (cMsgFD) { |
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99 | fprintf(cMsgFD, "%s\n", msg); |
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100 | |
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101 | } else { |
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102 | // Expand the message buffer if necessary. |
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103 | if (!cMsgBuff) { |
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104 | cMsgLen = 128; |
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105 | cMsgBuff = new char[cMsgLen]; |
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106 | cMsgIdx = cMsgBuff; |
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107 | clearMsg(); |
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108 | } |
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109 | |
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110 | int used = strlen(cMsgBuff); |
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111 | int free = cMsgLen - (used + 1); |
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112 | int xtra = 1 + strlen(msg); |
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113 | if (free < xtra) { |
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114 | if (xtra < 128) xtra = 128; |
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115 | cMsgLen += xtra; |
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116 | char *newBuff = new char[cMsgLen]; |
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117 | strcpy(newBuff, cMsgBuff); |
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118 | delete [] cMsgBuff; |
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119 | cMsgBuff = newBuff; |
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120 | cMsgIdx = cMsgBuff; |
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121 | } |
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122 | |
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123 | sprintf(cMsgBuff+used, "%s%s", ((cNMsg++)?"\n":""), msg); |
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124 | } |
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125 | } |
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126 | } |
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127 | |
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128 | //------------------------------------------------------------- PKSmsg::getMsg |
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129 | |
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130 | // Get a message string, or 0x0 if there is none. |
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131 | |
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132 | const char *PKSmsg::getMsg() |
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133 | { |
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134 | if (cMsgBuff && *cMsgBuff) { |
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135 | cMsgIdx = cMsgBuff; |
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136 | return cMsgBuff; |
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137 | } |
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138 | |
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139 | return 0x0; |
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140 | } |
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141 | |
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142 | |
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143 | // Get the next group of messages by type: ERROR, WARNING, or otherwise. |
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144 | |
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145 | const char *PKSmsg::getMsg(msgType &type) |
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146 | { |
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147 | if (cMsgIdx && *cMsgIdx) { |
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148 | if (strncmp(cMsgIdx, "ERROR", 5) == 0) { |
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149 | type = ERROR; |
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150 | } else if (strncmp(cMsgIdx, "WARNING", 7) == 0) { |
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151 | type = WARNING; |
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152 | } else { |
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153 | type = NORMAL; |
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154 | } |
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155 | |
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156 | // Gather multi-line messages. |
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157 | char *cp = cMsgIdx; |
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158 | while ((cMsgIdx = strchr(cMsgIdx, '\n'))) { |
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159 | cMsgIdx++; |
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160 | |
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161 | if (type == ERROR) { |
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162 | if (strncmp(cMsgIdx, "ERROR", 5) == 0 || |
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163 | strncmp(cMsgIdx, " ", 5) == 0) { |
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164 | continue; |
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165 | } |
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166 | |
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167 | } else if (type == WARNING) { |
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168 | if (strncmp(cMsgIdx, "WARNING", 7) == 0 || |
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169 | strncmp(cMsgIdx, " ", 7) == 0) { |
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170 | continue; |
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171 | } |
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172 | |
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173 | } else { |
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174 | if (strncmp(cMsgIdx, "ERROR", 5) || |
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175 | strncmp(cMsgIdx, "WARNING", 7)) { |
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176 | continue; |
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177 | } |
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178 | } |
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179 | |
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180 | *(cMsgIdx-1) = '\0'; |
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181 | break; |
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182 | } |
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183 | |
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184 | return cp; |
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185 | } |
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186 | |
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187 | return 0x0; |
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188 | } |
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189 | |
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190 | //----------------------------------------------------------- PKSmsg::clearMsg |
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191 | |
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192 | // Clear the message buffer. |
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193 | |
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194 | void PKSmsg::clearMsg(void) |
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195 | { |
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196 | if (cMsgBuff) *cMsgBuff = '\0'; |
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197 | cMsgIdx = cMsgBuff; |
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198 | cNMsg = 0; |
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199 | } |
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