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rg_config.pl
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rg_config.pl
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#!/usr/bin/perl
#
# Personal ReplayGuide
# Configuration Library
# by Lee Thompson <[email protected]>
# with bits by Philip Van Baren, Kanji T. Bates and Kevin J. Moye
#
# CONFIGURATION FUNCTIONS
#
#------------------------------------------------------------------------------------
# This file is part of Personal ReplayGuide (C) 2003 by Lee Thompson
#
# Personal ReplayGuide is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# Personal ReplayGuide is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Personal ReplayGuide; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#------------------------------------------------------------------------------------
my $_version = "Personal ReplayGuide|Configuration Function Library|1|0|26|Lee Thompson,Philip Van Baren,Kanji T. Bates,Kevin J. Moye";
#------------------------------------------------------------------------------------
# Get script pathname, unfortunately on Apache on Win32 $0 is not reliable since
# for some reason it gets changed to an 8.3 pathname.
#
# IIS and Apache both provide long filename pathnames in environment variables so
# if it's an 8.3 we look there. If we don't find it, we just tough it out.
#------------------------------------------------------------------------------------
$script_pathname = $0;
if ($0 =~ /\~/) {
if (length($ENV{SCRIPT_FILENAME}) > 0 ) {
$script_pathname = $ENV{SCRIPT_FILENAME};
}
if (length($ENV{PATH_TRANSLATED}) > 0 ) {
$script_pathname = $ENV{PATH_TRANSLATED};
}
}
#------------------------------------------------------------------------------------
# Get the path that the script is in
#------------------------------------------------------------------------------------
(my $path,my $basename) = $script_pathname =~ m|^(.*[/\\])([^/\\]+?)$|;
#------------------------------------------------------------------------------------
# Set up module identification
#------------------------------------------------------------------------------------
my $module_name = "";
(my $debug_package, my $debug_filename, my $debug_line, my $debug_subroutine, my $debug_hasargs, my $debug_wantarray, my $debug_evaltext, my $debug_isrequire) = caller(0);
if (length($debug_evaltext) > 0) {
$module_name = $debug_evaltext;
}else{
if ($path eq "") {
$basename = $script_pathname;
}
$module_name = $basename;
}
$prg_module{$module_name} = $_version;
#------------------------------------------------------------------------------------
# NOTE: Configuration Values are the only Global variables defined in this.
#------------------------------------------------------------------------------------
# Variables local to rg_config
#------------------------------------------------------------------------------------
my $configfile = "prg.conf"; # master configuration file
my $configpath = ""; # configuration path
my $s_replayguide = 0; # look in replayguide
my $s_xmltv2sql = 0; # look in xmltv2sql
my $s_datadirect = 0; # look in datadirect
my $s_xmltv = 0; # look in xmltv
my $s_datadirect2sql = 0; # look in datadirect2sql
my $s_schd2sql = 0; # look in schd2sql
my $s_database = 0; # look in database
my $s_geticons = 0; # look in geticons
my $s_global = 1; # always read global section
my $s_global_priority = 1; # set to 0 to allow sections to override globals
my $null = ""; # handy
my $do_downgrade_search = 1; # downgrade to individual .conf files if section or
# master file cannot be found.
my $allowinlinecomments_1 = 1; # Allow inline comments (like this one)
my $allowinlinecomments_2 = 1; # NOTE: The comment sequence cannot be doubled up! Like
my $allowinlinecomments_3 = 1; # ## or it will not see it as a comment. # Blah # is ok.
#
# If you need to, disable with allowinlinecomment_N to 0.
#
# allowinlinecomments_1 allows # inline comments
# allowinlinecomments_2 allows // inline comments
# allowinlinecomments_3 allows ; inline comments
my $specialdebug = 0; # special debug
my $option = ""; # init local
my $parameter = ""; # init local
my $iscomment = 0; # init local
if (length($ENV{PRG_CONFPATH}) > 0) {
$configpath = $ENV{PRG_CONFPATH};
}
#------------------------------------------------------------------------------------
sub getConfig {
# Parameters: section to look for
# ignore global (optional)
# specific value (optional)
#
# getConfig(Section) eg. getConfig($configfile) will usually work
# (the .conf suffix will be removed)
#
# eg. getConfig("replayguide",1,"logfile") would load the log_pathname
# variable from the replayguide section. Nothing else will be loaded or
# updated.
#
# if the section is the same as the perl script
# minus the suffix you can also do
# getConfig($0)
#
# Returns a bitmask 1 File Opened
# 2 Globals Read
# 4 Section Read as Requested
#
# So a 7 is 'all successful'.
#
#----------------------------------------------------------------------------
my $section = shift; # look for this section
my $noglobal = shift; # No global
my $specificvalue = shift; # Specific Value
my $specialdebug = 0; # Special Debug Crap
my $retcode = 0; # return code
if ($specialdebug ) {
print "getConfig::Starting\n";
print "getConfig::parameters are section: \"$section\", noglobal: \"$noglobal\", specificvalue: \"$specificvalue\"\n";
}
if ($section eq $null) {
if ($specialdebug ) {
print "getConfig::section is null, using calling script name ($script_pathname)\n";
}
$section = $script_pathname;
}
#-------------------------------------------------------------------
# Determine What Section to Read
#-------------------------------------------------------------------
$sectionsearch = $section;
if ($specialdebug ) {
print "getConfig::section: \"$section\", s_global: \"$s_global\"\n";
}
if ($specialdebug ) {
print "getConfig::checking \"$section\" for .conf\n";
}
if ($sectionsearch =~ /\.conf/ ) {
($sectionsearch,$text) = split(/\.conf/, $section, 2);
if ($specialdebug ) {
print "getConfig::split $sectionsearch,$text\n";
}
}
if ($specialdebug ) {
print "getConfig::checking \"$section\" for .pl\n";
}
if ($sectionsearch =~ /\.pl/ ) {
($sectionsearch,$text) = split(/\.pl/, $section, 2);
if ($specialdebug ) {
print "getConfig::split $sectionsearch,$text\n";
}
}
if ($specialdebug ) {
print "getConfig::checking \"$section\" for .exe\n";
}
if ($sectionsearch =~ /\.exe/ ) {
($sectionsearch,$text) = split(/\.exe/, $section, 2);
if ($specialdebug ) {
print "getConfig::split $sectionsearch,$text\n";
}
}
if ($specialdebug ) {
print "getConfig::section search for \"$sectionsearch\"\n";
}
if (length($noglobal) > 0) {
$s_global = 0;
if ($specialdebug ) {
print "getConfig::global search is disabled\n";
}
}
if (length($specificvalue) > 0) {
$valuesearch = $specificvalue;
if ($specialdebug ) {
print "getConfig::looking for specific value \"$valuesearch\"\n";
}
}
#----------------------------------------------------
# Make sure if the script name is passed in we look
# for the right thing
#----------------------------------------------------
if ($specialdebug ) {
print "getConfig::translating script names to section names\n";
}
if (uc $sectionsearch eq 'GETCHANNELICONS') {
$sectionsearch = "geticons";
}
if (uc $sectionsearch eq 'DATADIRECT_CLIENT') {
$sectionsearch = "datadirect";
}
if (uc $sectionsearch eq 'SCHEDULE2SQL') {
$sectionsearch = "SCHD2SQL";
}
if (uc $sectionsearch eq 'RG_INFO') {
$sectionsearch = "DATABASE";
}
if ($specialdebug ) {
print "getConfig::$section->$sectionsearch\n";
}
if (uc $sectionsearch eq 'GLOBAL') {
$sectionsearch = "";
$s_global = 1;
$do_downgrade_search = 0;
if ($specialdebug ) {
print "getConfig::doing global only search. global enabled, downgrade disabled, section nulled\n";
}
}
#----------------------------------------------------
# Raise Flags
#----------------------------------------------------
if ($specialdebug ) {
print "getConfig::raising flags\n";
}
if (uc $sectionsearch eq 'REPLAYGUIDE') {
$s_replayguide = 1;
}
if (uc $sectionsearch eq 'XMLTV2SQL') {
$s_xmltv2sql = 1;
}
if (uc $sectionsearch eq 'XMLTV') {
$s_xmltv = 1;
}
if (uc $sectionsearch eq 'DATADIRECT') {
$s_datadirect = 1;
}
if (uc $sectionsearch eq 'DATADIRECT2SQL') {
$s_datadirect2sql = 1;
}
if (uc $sectionsearch eq 'SCHD2SQL') {
$s_schd2sql = 1;
}
if (uc $sectionsearch eq 'DATABASE') {
$s_database = 1;
}
if (uc $sectionsearch eq 'GETICONS') {
$s_geticons = 1;
}
if ($specialdebug ) {
print "getConfig::section flags:\n";
print "getConfig:: REPLAYGUIDE: $s_replayguide\n";
print "getConfig:: XMLTV2SQL: $s_xmltv2sql\n";
print "getConfig:: XMLTV: $s_xmltv\n";
print "getConfig:: DATADIRECT: $s_datadirect\n";
print "getConfig::DATADIRECT2SQL: $s_datadirect2sql\n";
print "getConfig:: SCHD2SQL: $s_schd2sql\n";
print "getConfig:: DATABASE: $s_database\n";
print "getConfig:: GETICONS: $s_geticons\n";
print "getConfig:: GLOBAL: $s_global_priority Is Priority: $s_global_priority\n";
}
#-----------------------------------------------------------------------------
# First try the global configuration
#-----------------------------------------------------------------------------
if ($specialdebug ) {
print "getConfig::Attempting to search for \"$sectionsearch\" within $configfile\n";
}
$retcode = &loadConfigFile($configfile,$null,$valuesearch);
if ($specialdebug ) {
print "getConfig::loadConfigFile($configfile) returned $retcode\n";
}
#-----------------------------------------------------------------------------
# Process Return Codes
#-----------------------------------------------------------------------------
if ($specialdebug ) {
print "getConfig::processing return codes for $configfile\n";
}
if ($retcode & 1) {
if ($specialdebug ) {
print "getConfig::$configfile read successfully\n";
}
}else{
if ($specialdebug ) {
print "getConfig::$configfile could not be opened or found\n";
}
}
if ($retcode & 2) {
if ($specialdebug ) {
print "getConfig::loaded values for global successfully\n";
}
}else{
if ($specialdebug ) {
print "getConfig::failed to find values for global\n";
}
}
if ($retcode & 4) {
#-----------------------------------------------------------------------------
# Succeeded to read the section we wanted
#-----------------------------------------------------------------------------
if ($specialdebug ) {
print "getConfig::loaded values for $sectionsearch successfully\n";
}
}else{
if ($do_downgrade_search) {
#-----------------------------------------------------------------------------
# Try to load old config file
#-----------------------------------------------------------------------------
if ($specialdebug ) {
print "getConfig::Attempting to search within $sectionsearch.conf (downgrade)\n";
}
$retcode = &loadConfigFile("$sectionsearch.conf",$sectionsearch,$valuesearch);
if ($specialdebug ) {
print "getConfig::loadConfigFile($sectionsearch.conf) returned $retcode\n";
}
#-----------------------------------------------------------------------------
# Process Return Codes
#-----------------------------------------------------------------------------
if ($specialdebug ) {
print "getConfig::processing return codes for $sectionsearch.conf\n";
}
if ($retcode & 1) {
if ($specialdebug ) {
print "getConfig::$sectionsearch.conf read successfully\n";
}
}else{
if ($specialdebug ) {
print "getConfig::$sectionsearch.conf could not be opened or found\n";
}
}
if ($retcode & 2) {
if ($specialdebug ) {
print "getConfig::loaded values for global successfully\n";
}
}else{
if ($specialdebug ) {
print "getConfig::failed to find values for global\n";
}
}
if ($retcode & 4) {
if ($specialdebug ) {
print "getConfig::loaded values for $sectionsearch successfully\n";
}
}else{
if ($specialdebug ) {
print "getConfig::failed to find values for $sectionsearch\n";
}
}
}else{
if ($specialdebug ) {
print "getConfig::failed to find values for $sectionsearch (downgrade not permitted)\n";
}
}
}
if ($specialdebug ) {
print "getConfig::Exiting($retcode)\n";
}
return $retcode;
}
#------------------------------------------------------------------------------------
sub loadConfigFile($$$) {
#
# Process a Configuration File
#
# Parameters: configuration file
# section to force (optional)
#
# Returns the same bitmask as getConfig
#
#----------------------------------------------------------------------------
#---------------------------------
# Read File
#---------------------------------
my $configfile = shift;
my $forcesection = shift;
my $forceoption = shift;
my $specialdebug = 0;
my $comment = "";
my $retcode = 0;
my $currentsection = "";
my $forced = 0;
if ($specialdebug) {
print "loadConfigFile::Start($configfile,$forcesection,$forceoption)\n";
}
#---------------------------------
# If need be force a section
#---------------------------------
if (length($forcesection) > 0) {
$currentsection = $forcesection;
$currentsection = lc $currentsection;
$forced = 1;
if ($specialdebug) {
print "loadConfigFile::$configfile->Forcing Section: \"$currentsection\"\n";
}
}
if ($specialdebug) {
print "loadConfigFile::Attempting to open $configfile for read\n";
}
if (open(CONFIGFILE, "<$configpath$configfile")) {
while (<CONFIGFILE>) {
chop $_;
#---------------------------------
# Ignore Comments
#---------------------------------
$iscomment = 0;
if (substr($_,0,1) eq '#') {
$iscomment = 1;
}
if (substr($_,0,1) eq ';') {
$iscomment = 1;
}
if (substr($_,0,1) eq '/') {
$iscomment = 1;
}
if ($_ eq $null) {
$iscomment = 1;
}
#---------------------------------
# We just started a section...
#---------------------------------
if (substr($_,0,1) eq '[') {
$iscomment = 1;
if (!$forced) {
$_ = substr($_,1);
($currentsection,$junk) = split(']', $_, 2);
$currentsection = lc $currentsection;
if ($specialdebug) {
print "loadConfigFile::$configfile->Found Section \"$currentsection\"\n";
}
}
}
#---------------------------------
# Get Option=Param
#---------------------------------
if ($iscomment) {
$option = "";
$parameter = "";
}else{
($option,$parameter) = split('=', $_, 2);
#-------------------------
# Trim Whitespace
#-------------------------
$option =~ s/^\s+//;
$option =~ s/\s+$//;
#-------------------------
# Allow inline comments
#-------------------------
if ($allowinlinecomments_1) {
$parameter =~ s/\s+#\s.*//;
}
if ($allowinlinecomments_2) {
$parameter =~ s/\s+;\s.*//;
}
if ($allowinlinecomments_3) {
$parameter =~ s/\s+\/\/\s.*//;
}
#-------------------------
# Trim Whitespace
#-------------------------
$parameter =~ s/^\s+//;
$parameter =~ s/\s+$//;
#---------------------------------
# Looking for a specific option
#---------------------------------
if ((length($forceoption) > 0)) {
if ((uc $option) ne (uc $forceoption)) {
$iscomment = 1;
if ($specialdebug) {
print "loadConfigFile::$configfile->no match ($option!=$forceoption)\n";
}
}else{
if ($specialdebug) {
print "loadConfigFile::$configfile->match ($option==$forceoption)\n";
}
}
}
}
#---------------------------------
# Handle GLOBALs if they aren't
# priority.
#---------------------------------
if (($currentsection eq "global") && ($s_global) && (!$s_global_priority)) {
if (!$iscomment) {
if ($specialdebug) {
print "loadConfigFile::$configfile->loadGlobalOptions($option)\n";
}
&loadGlobalOptions;
$retcode = $retcode | 2;
}
}
#---------------------------------
# Handle replayguide.conf
#---------------------------------
if (($currentsection eq "replayguide") && ($s_replayguide)) {
if (!$iscomment) {
if ($specialdebug) {
print "loadConfigFile::$configfile->loadReplayGuideOptions($option)\n";
}
&loadReplayGuideOptions;
$retcode = $$retcode | 4;
}
}
#---------------------------------
# Handle xmltv.conf
#---------------------------------
if (($currentsection eq "xmltv") && ($s_xmltv)) {
if (!$iscomment) {
if ($specialdebug) {
print "loadConfigFile::$configfile->loadXMLTVClientOptions($option)\n";
}
&loadXMLTVClientOptions;
$retcode = $retcode | 4;
}
}
#---------------------------------
# Handle xmltv2sql.conf
#---------------------------------
if (($currentsection eq "xmltv2sql") && ($s_xmltv2sql)) {
if (!$iscomment) {
if ($specialdebug) {
print "loadConfigFile::$configfile->loadXMLTVToSQLOptions($option)\n";
}
&loadXMLTVToSQLOptions;
$retcode = $retcode | 4;
}
}
#---------------------------------
# Handle datadirect.conf
#---------------------------------
if (($currentsection eq "datadirect") && ($s_datadirect)) {
if (!$iscomment) {
if ($specialdebug) {
print "loadConfigFile::$configfile->loadDataDirectOptions($option)\n";
}
&loadDataDirectOptions;
$retcode = $retcode | 4;
}
}
#---------------------------------
# Handle datadirect2sql.conf
#---------------------------------
if (($currentsection eq "datadirect2sql") && ($s_datadirect2sql)) {
if (!$iscomment) {
if ($specialdebug) {
print "loadConfigFile::$configfile->loadDataDirectToSQLOptions($option)\n";
}
&loadDataDirectToSQLOptions;
$retcode = $retcode | 4;
}
}
#---------------------------------
# Handle schd2sql.conf
#---------------------------------
if (($currentsection eq "schd2sql") && ($s_schd2sql)) {
if (!$iscomment) {
if ($specialdebug) {
print "loadConfigFile::$configfile->loadScheduleToSQLOptions($option)\n";
}
&loadScheduleToSQLOptions;
$retcode = $retcode | 4;
}
}
#---------------------------------
# Handle database.conf
#---------------------------------
if (($currentsection eq "database") && ($s_database)) {
if (!$iscomment) {
if ($specialdebug) {
print "loadConfigFile::$configfile->loadDatabaseOptions($option)\n";
}
&loadDatabaseOptions;
$retcode = $retcode | 4;
}
}
#---------------------------------
# Handle getchannelicons.conf
#---------------------------------
if (($currentsection eq "geticons") && ($s_geticons)) {
if (!$iscomment) {
if ($specialdebug) {
print "loadConfigFile::$configfile->loadGetChannelIconsOptions($option)\n";
}
&loadGetChannelIconsOptions;
$retcode = $retcode | 4;
}
}
}
close CONFIGFILE;
$retcode = $retcode | 1;
if ($specialdebug) {
print "loadConfigFile::$configfile->Closed\n";
}
if (($s_global_priority) && ($s_global) && (!$forced)) {
if ($forced) {
$currentsection = "global";
if ($specialdebug) {
print "loadConfigFile::$configfile->Forced to $currentsection\n";
}
}else{
$currentsection = "";
}
if (open(CONFIGFILE, "$configpath$configfile")) {
if ($specialdebug) {
print "loadConfigFile::$configfile->Open (Reading)\n";
}
while (<CONFIGFILE>) {
chop $_;
#---------------------------------
# Ignore Comments
#---------------------------------
$iscomment = 0;
if (substr($_,0,1) eq '#') {
$iscomment = 1;
}
if (substr($_,0,1) eq ';') {
$iscomment = 1;
}
if (substr($_,0,1) eq '/') {
$iscomment = 1;
}
if ($_ eq $null) {
$iscomment = 1;
}
#---------------------------------
# We just started a section...
#---------------------------------
if (substr($_,0,1) eq '[') {
$iscomment = 1;
if (!$forced) {
$_ = substr($_,1);
($currentsection,$junk) = split(']', $_, 2);
$currentsection = lc $currentsection;
if ($specialdebug) {
print "loadConfigFile::$configfile->Found Section \"$currentsection\"\n";
}
}
}
#---------------------------------
# Get Option=Param
#---------------------------------
if ($iscomment) {
$option = "";
$parameter = "";
}else{
($option,$parameter) = split('=', $_, 2);
#-------------------------
# Trim Whitespace
#-------------------------
$option =~ s/^\s+//;
$option =~ s/\s+$//;
#-------------------------
# Allow inline comments
#-------------------------
if ($allowinlinecomments_1) {
$parameter =~ s/\s+#\s.*//;
}
if ($allowinlinecomments_2) {
$parameter =~ s/\s+;\s.*//;
}
if ($allowinlinecomments_3) {
$parameter =~ s/\s+\/\/\s.*//;
}
#-------------------------
# Trim Whitespace
#-------------------------
$parameter =~ s/^\s+//;
$parameter =~ s/\s+$//;
#---------------------------------
# Looking for a specific option
#---------------------------------
if ((length($forceoption) > 0)) {
if ((uc $option) ne (uc $forceoption)) {
$iscomment = 1;
if ($specialdebug) {
print "loadConfigFile::$configfile->no match ($forceoption!=$option)\n";
}
}else{
if ($specialdebug) {
print "loadConfigFile::$configfile->match ($forceoption==$option)\n";
}
}
}
}
#---------------------------------
# Handle GLOBAL if they take
# priority over locals.
#---------------------------------
if (($currentsection eq "global") && ($s_global) && ($s_global_priority)) {
if (!$iscomment) {
if ($specialdebug) {
print "loadConfigFile::$configfile->loadGlobalOptions->Priority->($option)\n";
}
&loadGlobalOptions;
$retcode = $retcode | 2;
}else{
if (length($forceoption) > 0) {
$retcode = $retcode | 2;
}
}
}
}
}
close CONFIGFILE;
$retcode = $retcode | 1;
if ($specialdebug) {
print "loadConfigFile::$configfile->Closed\n";
}
}
}else{
if ($specialdebug) {
print "loadConfigFile::$configfile->Failed\n";
}
}
#---------------------------------
# All done, return status.
#---------------------------------
if ($specialdebug) {
print "loadConfigFile::Exiting($retcode)\n";
}
return $retcode;
}
#------------------------------------------------------------------------------------
sub loadFile($$) {
#
# Load a file into an array.
#
# Parameters: file to load
#
# Returns array,elementcount
#
#----------------------------------------------------------------------------
#---------------------------------
# Read File
#---------------------------------
my $filename = shift;
my $nocomments = int shift;
my $dataline = "";
my $specialdebug = 0;
my $dataarray = "";
my $comment = "";
my $ctr = 0;
if ($specialdebug) {
print "loadFile::Start($filename,$nocomments)\n";
}
if ($nocomments) {
$allowinlinecomments_1 = 0;
$allowinlinecomments_2 = 0;
$allowinlinecomments_3 = 0;
}
if ($specialdebug) {
print "loadFile::Attempting to open $filename for read\n";
}
if (open(FHANDLE, $filename)) {
while (<FHANDLE>) {
chop $_;
$dataline = $_;
#---------------------------------
# Ignore Comments
#---------------------------------
$iscomment = 0;
if (!$nocomments) {
if (substr($dataline,0,1) eq '#') {
$iscomment = 1;
}
if (substr($dataline,0,1) eq ';') {
$iscomment = 1;
}
if (substr($dataline,0,1) eq '/') {
$iscomment = 1;
}
}
if ($dataline eq $null) {
$iscomment = 1;
}
if ($iscomment) {
$dataline = "";
}else{
#-------------------------
# Allow inline comments
#-------------------------
if ($allowinlinecomments_1) {
if ($dataline =~ /\#/ ) {
($dataline,$comment) = split(/\#/, $dataline, 2);