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.TH "ConfigReader" 3 "12 May 2005" "InspIRCd" \" -*- nroff -*-
.ad l
.nh
.SH NAME
ConfigReader \- Allows reading of values from configuration files This class allows a module to read from either the main configuration file (inspircd.conf) or from a module-specified configuration file.
.PP
.SH SYNOPSIS
.br
.PP
\fC#include <modules.h>\fP
.PP
Inherits \fBclassbase\fP.
.PP
.SS "Public Member Functions"
.in +1c
.ti -1c
.RI "\fBConfigReader\fP ()"
.br
.RI "\fIDefault constructor. \fP"
.ti -1c
.RI "\fBConfigReader\fP (std::string filename)"
.br
.RI "\fIOverloaded constructor. \fP"
.ti -1c
.RI "\fB~ConfigReader\fP ()"
.br
.RI "\fIDefault destructor. \fP"
.ti -1c
.RI "std::string \fBReadValue\fP (std::string tag, std::string name, int index)"
.br
.RI "\fIRetrieves a value from the config file. \fP"
.ti -1c
.RI "bool \fBReadFlag\fP (std::string tag, std::string name, int index)"
.br
.RI "\fIRetrieves a boolean value from the config file. \fP"
.ti -1c
.RI "long \fBReadInteger\fP (std::string tag, std::string name, int index, bool needs_unsigned)"
.br
.RI "\fIRetrieves an integer value from the config file. \fP"
.ti -1c
.RI "long \fBGetError\fP ()"
.br
.RI "\fIReturns the last error to occur. \fP"
.ti -1c
.RI "int \fBEnumerate\fP (std::string tag)"
.br
.RI "\fICounts the number of times a given tag appears in the config file. \fP"
.ti -1c
.RI "bool \fBVerify\fP ()"
.br
.RI "\fIReturns true if a config file is valid. \fP"
.ti -1c
.RI "void \fBDumpErrors\fP (bool bail, \fBuserrec\fP *user)"
.br
.RI "\fIDumps the list of errors in a config file to an output location. \fP"
.ti -1c
.RI "int \fBEnumerateValues\fP (std::string tag, int index)"
.br
.RI "\fIReturns the number of items within a tag. \fP"
.in -1c
.SS "Protected Attributes"
.in +1c
.ti -1c
.RI "std::stringstream * \fBcache\fP"
.br
.RI "\fIThe contents of the configuration file This protected member should never be accessed by a module (and cannot be accessed unless the core is changed). \fP"
.ti -1c
.RI "std::stringstream * \fBerrorlog\fP"
.br
.ti -1c
.RI "bool \fBreaderror\fP"
.br
.RI "\fIUsed to store errors. \fP"
.ti -1c
.RI "long \fBerror\fP"
.br
.in -1c
.SH "Detailed Description"
.PP
Allows reading of values from configuration files This class allows a module to read from either the main configuration file (inspircd.conf) or from a module-specified configuration file.
It may either be instantiated with one parameter or none. Constructing the class using one parameter allows you to specify a path to your own configuration file, otherwise, inspircd.conf is read.
.PP
Definition at line 1147 of file modules.h.
.SH "Constructor & Destructor Documentation"
.PP
.SS "ConfigReader::ConfigReader ()"
.PP
Default constructor. This constructor initialises the ConfigReader class to read the inspircd.conf file as specified when running ./configure.Definition at line 869 of file modules.cpp.
.PP
References cache, CONF_FILE_NOT_FOUND, error, errorlog, and readerror.
.PP
.nf
870 {
871 this->cache = new std::stringstream(std::stringstream::in | std::stringstream::out);
872 this->errorlog = new std::stringstream(std::stringstream::in | std::stringstream::out);
873 this->readerror = LoadConf(CONFIG_FILE,this->cache,this->errorlog);
874 if (!this->readerror)
875 this->error = CONF_FILE_NOT_FOUND;
876 }
.fi
.SS "ConfigReader::ConfigReader (std::string filename)"
.PP
Overloaded constructor. This constructor initialises the ConfigReader class to read a user-specified config fileDefinition at line 888 of file modules.cpp.
.PP
References cache, CONF_FILE_NOT_FOUND, error, errorlog, and readerror.
.PP
.nf
889 {
890 this->cache = new std::stringstream(std::stringstream::in | std::stringstream::out);
891 this->errorlog = new std::stringstream(std::stringstream::in | std::stringstream::out);
892 this->readerror = LoadConf(filename.c_str(),this->cache,this->errorlog);
893 if (!this->readerror)
894 this->error = CONF_FILE_NOT_FOUND;
895 };
.fi
.SS "ConfigReader::~\fBConfigReader\fP ()"
.PP
Default destructor. This method destroys the ConfigReader class.Definition at line 879 of file modules.cpp.
.PP
References cache, and errorlog.
.PP
.nf
880 {
881 if (this->cache)
882 delete this->cache;
883 if (this->errorlog)
884 delete this->errorlog;
885 }
.fi
.SH "Member Function Documentation"
.PP
.SS "void ConfigReader::DumpErrors (bool bail, \fBuserrec\fP * user)"
.PP
Dumps the list of errors in a config file to an output location. If bail is true, then the program will abort. If bail is false and user points to a valid user record, the error report will be spooled to the given user by means of NOTICE. if bool is false AND user is false, the error report will be spooled to all opers by means of a NOTICE to all opers.Definition at line 966 of file modules.cpp.
.PP
References errorlog, connection::fd, and userrec::nick.
.PP
.nf
967 {
968 if (bail)
969 {
970 printf('There were errors in your configuration:\n%s',errorlog->str().c_str());
971 exit(0);
972 }
973 else
974 {
975 char dataline[1024];
976 if (user)
977 {
978 WriteServ(user->fd,'NOTICE %s :There were errors in the configuration file:',user->nick);
979 while (!errorlog->eof())
980 {
981 errorlog->getline(dataline,1024);
982 WriteServ(user->fd,'NOTICE %s :%s',user->nick,dataline);
983 }
984 }
985 else
986 {
987 WriteOpers('There were errors in the configuration file:',user->nick);
988 while (!errorlog->eof())
989 {
990 errorlog->getline(dataline,1024);
991 WriteOpers(dataline);
992 }
993 }
994 return;
995 }
996 }
.fi
.SS "int ConfigReader::Enumerate (std::string tag)"
.PP
Counts the number of times a given tag appears in the config file. This method counts the number of times a tag appears in a config file, for use where there are several tags of the same kind, e.g. with opers and connect types. It can be used with the index value of \fBConfigReader::ReadValue\fP to loop through all copies of a multiple instance tag.Definition at line 999 of file modules.cpp.
.PP
References cache.
.PP
.nf
1000 {
1001 return EnumConf(cache,tag.c_str());
1002 }
.fi
.SS "int ConfigReader::EnumerateValues (std::string tag, int index)"
.PP
Returns the number of items within a tag. For example if the tag was <test tag='blah' data='foo'> then this function would return 2. Spaces and newlines both qualify as valid seperators between values.Definition at line 1004 of file modules.cpp.
.PP
References cache.
.PP
.nf
1005 {
1006 return EnumValues(cache, tag.c_str(), index);
1007 }
.fi
.SS "long ConfigReader::GetError ()"
.PP
Returns the last error to occur. Valid errors can be found by looking in \fBmodules.h\fP. Any nonzero value indicates an error condition. A call to \fBGetError()\fP resets the error flag back to 0.Definition at line 959 of file modules.cpp.
.PP
References error.
.PP
.nf
960 {
961 long olderr = this->error;
962 this->error = 0;
963 return olderr;
964 }
.fi
.SS "bool ConfigReader::ReadFlag (std::string tag, std::string name, int index)"
.PP
Retrieves a boolean value from the config file. This method retrieves a boolean value from the config file. Where multiple copies of the tag exist in the config file, index indicates which of the values to retrieve. The values '1', 'yes' and 'true' in the config file count as true to ReadFlag, and any other value counts as false.Definition at line 913 of file modules.cpp.
.PP
References cache, CONF_VALUE_NOT_FOUND, and error.
.PP
.nf
914 {
915 char val[MAXBUF];
916 char t[MAXBUF];
917 char n[MAXBUF];
918 strlcpy(t,tag.c_str(),MAXBUF);
919 strlcpy(n,name.c_str(),MAXBUF);
920 int res = ReadConf(cache,t,n,index,val);
921 if (!res)
922 {
923 this->error = CONF_VALUE_NOT_FOUND;
924 return false;
925 }
926 std::string s = val;
927 return ((s == 'yes') || (s == 'YES') || (s == 'true') || (s == 'TRUE') || (s == '1'));
928 }
.fi
.SS "long ConfigReader::ReadInteger (std::string tag, std::string name, int index, bool needs_unsigned)"
.PP
Retrieves an integer value from the config file. This method retrieves an integer value from the config file. Where multiple copies of the tag exist in the config file, index indicates which of the values to retrieve. Any invalid integer values in the tag will cause the objects error value to be set, and any call to \fBGetError()\fP will return CONF_INVALID_NUMBER to be returned. needs_unsigned is set if the number must be unsigned. If a signed number is placed into a tag which is specified unsigned, 0 will be returned and \fBGetError()\fP will return CONF_NOT_UNSIGNEDDefinition at line 930 of file modules.cpp.
.PP
References cache, CONF_NOT_A_NUMBER, CONF_NOT_UNSIGNED, CONF_VALUE_NOT_FOUND, and error.
.PP
.nf
931 {
932 char val[MAXBUF];
933 char t[MAXBUF];
934 char n[MAXBUF];
935 strlcpy(t,tag.c_str(),MAXBUF);
936 strlcpy(n,name.c_str(),MAXBUF);
937 int res = ReadConf(cache,t,n,index,val);
938 if (!res)
939 {
940 this->error = CONF_VALUE_NOT_FOUND;
941 return 0;
942 }
943 for (int i = 0; i < strlen(val); i++)
944 {
945 if (!isdigit(val[i]))
946 {
947 this->error = CONF_NOT_A_NUMBER;
948 return 0;
949 }
950 }
951 if ((needs_unsigned) && (atoi(val)<0))
952 {
953 this->error = CONF_NOT_UNSIGNED;
954 return 0;
955 }
956 return atoi(val);
957 }
.fi
.SS "std::string ConfigReader::ReadValue (std::string tag, std::string name, int index)"
.PP
Retrieves a value from the config file. This method retrieves a value from the config file. Where multiple copies of the tag exist in the config file, index indicates which of the values to retrieve.Definition at line 897 of file modules.cpp.
.PP
References cache, CONF_VALUE_NOT_FOUND, and error.
.PP
.nf
898 {
899 char val[MAXBUF];
900 char t[MAXBUF];
901 char n[MAXBUF];
902 strlcpy(t,tag.c_str(),MAXBUF);
903 strlcpy(n,name.c_str(),MAXBUF);
904 int res = ReadConf(cache,t,n,index,val);
905 if (!res)
906 {
907 this->error = CONF_VALUE_NOT_FOUND;
908 return '';
909 }
910 return val;
911 }
.fi
.SS "bool ConfigReader::Verify ()"
.PP
Returns true if a config file is valid. This method is partially implemented and will only return false if the config file does not exist or could not be opened.Definition at line 1009 of file modules.cpp.
.PP
References readerror.
.PP
.nf
1010 {
1011 return this->readerror;
1012 }
.fi
.SH "Member Data Documentation"
.PP
.SS "std::stringstream* \fBConfigReader::cache\fP\fC [protected]\fP"
.PP
The contents of the configuration file This protected member should never be accessed by a module (and cannot be accessed unless the core is changed). It will contain a pointer to the configuration file data with unneeded data (such as comments) stripped from it.Definition at line 1155 of file modules.h.
.PP
Referenced by ConfigReader(), Enumerate(), EnumerateValues(), ReadFlag(), ReadInteger(), ReadValue(), and ~ConfigReader().
.SS "long \fBConfigReader::error\fP\fC [protected]\fP"
.PP
Definition at line 1160 of file modules.h.
.PP
Referenced by ConfigReader(), GetError(), ReadFlag(), ReadInteger(), and ReadValue().
.SS "std::stringstream* \fBConfigReader::errorlog\fP\fC [protected]\fP"
.PP
Definition at line 1156 of file modules.h.
.PP
Referenced by ConfigReader(), DumpErrors(), and ~ConfigReader().
.SS "bool \fBConfigReader::readerror\fP\fC [protected]\fP"
.PP
Used to store errors. Definition at line 1159 of file modules.h.
.PP
Referenced by ConfigReader(), and Verify().
.SH "Author"
.PP
Generated automatically by Doxygen for InspIRCd from the source code.
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