releasing/makecbr/CConfig.pm
changeset 602 3145852acc89
equal deleted inserted replaced
600:6d08f4a05d93 602:3145852acc89
       
     1 #!\bin\perl -w
       
     2 # Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).
       
     3 # All rights reserved.
       
     4 # This component and the accompanying materials are made available
       
     5 # under the terms of the License "Eclipse Public License v1.0"
       
     6 # which accompanies this distribution, and is available
       
     7 # at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 #
       
     9 # Initial Contributors:
       
    10 # Nokia Corporation - initial contribution.
       
    11 #
       
    12 # Contributors:
       
    13 #
       
    14 # Description:
       
    15 # CConfig
       
    16 # 
       
    17 
       
    18 package CConfig;
       
    19 
       
    20 use strict;
       
    21 use IO::File;
       
    22 use COutputHandler;
       
    23 
       
    24 # Added for scanlog compatibility
       
    25 use Time::localtime;
       
    26 
       
    27 # CConfig New(scalar aFilename) : constructor
       
    28 sub New($)
       
    29 	{
       
    30 	my $proto = shift;
       
    31 	my ($aFilename) = @_;
       
    32 
       
    33 	my $class = ref($proto) || $proto;
       
    34 
       
    35 	my $self = { RELTOOLS_REQUIRED => "",
       
    36                      outputHandler => COutputHandler->new()};
       
    37 	bless($self, $class);
       
    38   # undef the logfile here so that the folowing warning goes to stdout
       
    39   $self->{iLOGFILE} = undef;
       
    40 	# Load in options
       
    41 	if (defined($aFilename))
       
    42 		{
       
    43 		if (!$self->Reload($aFilename))
       
    44 			{
       
    45 			$self->Warning("Option file could not be loaded.\n");
       
    46 			}
       
    47 		}
       
    48 	
       
    49   # Added support for scanlog and Die() control.
       
    50   $self->{iPhaseErrorCount} = 0;
       
    51 	$self->{iPhase} = undef;
       
    52         
       
    53 	return $self;
       
    54 	}
       
    55 
       
    56 # boolean Set(scalar aOptionName, scalar aValue)
       
    57 sub Set($$)
       
    58 	{
       
    59 	my $self = shift;
       
    60 	my ($aOptionName, $aValue) = @_;
       
    61 
       
    62 	if (!defined($aOptionName))
       
    63 		{
       
    64 		$self->Warning("Cannot set undefined option");
       
    65 		
       
    66 		return 0;
       
    67 		}
       
    68 		
       
    69 	if (!defined($aValue))
       
    70 		{
       
    71 		$self->Warning("Cannot set option '$aOptionName' to undefined value.");
       
    72 		return 0;
       
    73 		}
       
    74 	
       
    75 	if ((ref($aValue) ne "") && (ref($aValue) ne "ARRAY"))
       
    76 		{
       
    77 		$self->Warning("Value of '$aOptionName' must be either a string or list.");
       
    78 		return 0;
       
    79 		}
       
    80 
       
    81 	$self->{iOptions}->{lc($aOptionName)} = [$aOptionName, $aValue];
       
    82 	return 1;
       
    83 	}
       
    84 
       
    85 # scalar Get(scalar aOptionName)
       
    86 sub Get($)
       
    87 	{
       
    88 	my $self = shift;
       
    89 	my ($aOptionName) = @_;
       
    90 
       
    91 	if (defined($self->{iOptions}->{lc($aOptionName)}))
       
    92 		{
       
    93 		return ($self->{iOptions}->{lc($aOptionName)})->[1];
       
    94 		}
       
    95 	else
       
    96 		{
       
    97 		return undef;
       
    98 		}
       
    99 	}
       
   100 
       
   101 # boolean Reload(scalar aFilename)
       
   102 sub Reload($)
       
   103 	{
       
   104 	my $self = shift;
       
   105 	my ($aFilename) = @_;
       
   106 	my $okay = 1;
       
   107 
       
   108 	$self->{iOptions}={}; # Blank existing options
       
   109 
       
   110 	if (!open(FILE, $aFilename))
       
   111 		{
       
   112 		$self->Warning("Option file '$aFilename' could not be opened.");
       
   113 		$okay = 0;
       
   114 		}
       
   115 	else
       
   116 		{
       
   117 		foreach my $line (<FILE>)
       
   118 			{
       
   119 			chomp ($line);
       
   120 
       
   121 			# Split on colon
       
   122 			my $parms = $line;
       
   123 			$parms =~ s/([^\\]):/$1\x08/g; # Turn unescaped colons into 0x08 chars
       
   124 			$parms =~ s/\\:/:/g; # Unescape escaped colons
       
   125 			my @parms = split(/\x08/,$parms); # Split on 0x08
       
   126 
       
   127 			if (scalar(@parms) != 0)
       
   128 				{
       
   129 				if (scalar(@parms) == 2)
       
   130 					{
       
   131 					my $key = $parms[0];
       
   132 					$key =~ s/^\s+//; # Remove preceding spaces
       
   133 					$key =~ s/([^\\])\s$/$1/g; # Remove unescaped trailing spaces
       
   134 					$key =~ s/\\(\s)/$1/g; # Unescape space characters
       
   135 
       
   136 					my $value = $parms[1];
       
   137 					if ($value =~ /\s*\[.*\]\s*$/)
       
   138 						{
       
   139 						# Value is a [list]
       
   140 
       
   141 						# Remove square brackets
       
   142 						$value =~ s/^\s*\[//;
       
   143 						$value =~ s/\]\s*$//;
       
   144 
       
   145 						# Split on comma
       
   146 						$value =~ s/([^\\]),/$1\x08/g; # Turn unescaped commas into 0x08 chars
       
   147 						$value =~ s/\\,/,/g; # Unescape escaped commas
       
   148 						my @values = split(/\x08/,$value); # Split on 0x08
       
   149 
       
   150 						map(s/^\s+//, @values); # Remove preceding spaces
       
   151 						map(s/([^\\])\s$/$1/g, @values); # Remove unescaped trailing spaces
       
   152 						map(s/\\(\s)/$1/g, @values); # Unescape space characters
       
   153 
       
   154 						$value = [@values];
       
   155 						}
       
   156 					else
       
   157 						{
       
   158 						# Value is a scalar
       
   159 
       
   160 						$value =~ s/^\s+//; # Remove preceding spaces
       
   161 						$value =~ s/([^\\])\s$/$1/g; # Remove unescaped trailing spaces
       
   162 						$value =~ s/\\(\s)/$1/g; # Unescape space characters
       
   163 						}
       
   164 
       
   165 					if (!($self->Set($key, $value)))
       
   166 						{
       
   167 						$okay = 0;
       
   168 						}
       
   169 					}
       
   170 				else
       
   171 					{
       
   172 					$self->Warning("In file '$aFilename', ".scalar(@parms)." parameters found on a line.\nOnly two parameters, colon separated, are supported.\nLine: '$line'");
       
   173 					$okay = 0;
       
   174 					}
       
   175 				}
       
   176 			}
       
   177 		close(FILE);
       
   178 		}
       
   179 
       
   180 	return ($okay);
       
   181 	}
       
   182 
       
   183 # boolean Save(scalar aFilename)
       
   184 sub Save($)
       
   185 	{
       
   186 	my $self = shift;
       
   187 	my ($aFilename) = @_;
       
   188 	my $okay = 1;
       
   189 
       
   190 	if (!open(FILE, ">$aFilename"))
       
   191 		{
       
   192 		$self->Warning("Could not open option file '$aFilename' to save to.");
       
   193 		$okay = 0;
       
   194 		}
       
   195 	else
       
   196 		{
       
   197 		foreach my $pair (values(%{$self->{iOptions}}))
       
   198 			{
       
   199 			my $key = $pair->[0];
       
   200 			my $value = $pair->[1];
       
   201 			
       
   202 			if (!defined($value))
       
   203 				{
       
   204 				$self->Error("Cannot write undefined value for key '$key' when saving options.");
       
   205 				$okay = 0;
       
   206 				}
       
   207 			else
       
   208 				{
       
   209 
       
   210 				if (ref($value))
       
   211 					{
       
   212 					if (ref($value) ne "ARRAY")
       
   213 						{
       
   214 						$self->Error("Cannot write ".ref($value)." for key '$key' when saving options.");
       
   215 						$okay = 0;
       
   216 						}
       
   217 					else
       
   218 						{
       
   219 						# It's a list: [value,value,value] and escape any commas or opening spaces
       
   220 						my @values = @{$value};
       
   221 						map(s/^(\s)/\\$1/,@values);
       
   222 						map(s/,/\\,/g,@values);
       
   223 						$value = "[".join(",",@values)."]";
       
   224 						}
       
   225 					}
       
   226 				else
       
   227 					{
       
   228 					# It's a scalar string
       
   229 					# Escape opening space
       
   230 					$key =~ s/^(\s)/\\$1/;
       
   231 					# Escape square brackets;
       
   232 					}
       
   233 					
       
   234 				# Escape colons
       
   235 				$key =~ s/:/\\:/g;
       
   236 				$value =~ s/:/\\:/g;
       
   237 				
       
   238 				print FILE $key.":".$value."\n";
       
   239 				}
       
   240 			}
       
   241 		close (FILE)
       
   242 		}
       
   243 	return $okay;
       
   244 	}
       
   245 
       
   246 # boolean SetLog(scalar aFilename)
       
   247 sub SetLog($)
       
   248 	{
       
   249 	my $self = shift;
       
   250 	my ($aLogFile) = @_;
       
   251 
       
   252 	if (defined($self->{iLOGFILE}))
       
   253 		{
       
   254 		$self->{iLOGFILE}->close();
       
   255     # This forces any subsequent error message to go to stdout
       
   256     $self->{iLOGFILE} = undef;
       
   257 		}
       
   258 	
       
   259 	if (-e $aLogFile)
       
   260 		{
       
   261 		if (-e $aLogFile."~")
       
   262 			{
       
   263 			if (!unlink $aLogFile."~")
       
   264 				{
       
   265 				$self->Error("Couldn't delete backup log file\n");
       
   266 				return 0;
       
   267 				}
       
   268 			}
       
   269 
       
   270 		if (system("copy $aLogFile $aLogFile~ > nul 2>&1"))
       
   271 			{
       
   272 			$self->Error("Couldn't back-up existing log file\n");
       
   273 			return 0;
       
   274 			}
       
   275 		}
       
   276 		
       
   277 	$self->{iLOGFILE}=new IO::File("> $aLogFile");
       
   278 
       
   279 	if (defined($self->{iLOGFILE}))
       
   280 		{
       
   281 		return 1;
       
   282 		}
       
   283 	else
       
   284 		{
       
   285 		$self->Error("Couldn't open logfile $aLogFile\n");
       
   286 		return 0;
       
   287 		}
       
   288 	}
       
   289 
       
   290 # void Print(scalar aLogLine)
       
   291 sub Print($)
       
   292 	{
       
   293 	my $self = shift;
       
   294 	my ($aLogLine) = @_;
       
   295 
       
   296 	my $logfile = $self->{iLOGFILE};
       
   297 
       
   298 	if ($aLogLine !~ /\n$/)
       
   299 		{
       
   300 		$aLogLine = $aLogLine."\n";
       
   301 		}
       
   302                 
       
   303         $aLogLine = $self->{outputHandler}->CheckOutput($aLogLine);      
       
   304 
       
   305 	if (!defined($logfile))
       
   306 		{
       
   307 		print $aLogLine;
       
   308 		}
       
   309 	else
       
   310 		{
       
   311 		print $logfile $aLogLine;
       
   312 		}
       
   313 	}
       
   314 
       
   315 # void Die(scalar aError)
       
   316 sub Die($)
       
   317 	{
       
   318 	my $self = shift;
       
   319 	my ($aError) = @_;
       
   320 
       
   321 	my $logfile = $self->{iLOGFILE};
       
   322 
       
   323 	if ($aError !~ /\n$/)
       
   324 		{
       
   325 		$aError = $aError."\n";
       
   326 		}
       
   327 
       
   328 	if (!defined($logfile))
       
   329 		{
       
   330 		die $aError;
       
   331 		}
       
   332 	else
       
   333 		{
       
   334 		print $logfile $aError;
       
   335 		die "ERROR: System experienced a fatal error; check the log file.\n";
       
   336 		}
       
   337 	}
       
   338 
       
   339 # void Status(scalar aMessage)
       
   340 sub Status($)
       
   341 	{
       
   342 	my $self = shift;
       
   343 	my ($aMessage) = @_;
       
   344 
       
   345 	if (defined($self->{iLOGFILE}))
       
   346 		{
       
   347 		print STDOUT $aMessage."\n"; # Only display status (to STDOUT) if everything else is going to the logfile
       
   348 		}
       
   349 	}
       
   350 
       
   351 # Returns the number of errors encountered in a phase
       
   352 sub GetErrorCount()
       
   353   {
       
   354   my $self = shift;
       
   355   return $self->{iPhaseErrorCount};
       
   356   }
       
   357 
       
   358 ###########################################
       
   359 # Utility functions
       
   360 ###########################################
       
   361 
       
   362 # boolean CheckRelTools()
       
   363 
       
   364 sub CheckRelTools()
       
   365 	{
       
   366 	# Search for reldata API
       
   367 	my $found = 0;
       
   368 	foreach my $path (split(/;/,$ENV{PATH}))
       
   369 		{
       
   370 		if (-e $path."\\reldata\.pm")
       
   371 			{
       
   372 			$found = 1;
       
   373 			last;
       
   374 			}
       
   375 		}
       
   376 	
       
   377 	return $found
       
   378 	}
       
   379 
       
   380 # void RequireRelTools() - Requires RelData and IniData. Dies if tools can't be located, or die when being required.
       
   381 
       
   382 sub RequireRelTools()
       
   383 	{
       
   384 	my $self = shift;
       
   385 
       
   386 	if ($self->{RELTOOLS_REQUIRED} ne "required")
       
   387 		{
       
   388 		# Locate reldata API
       
   389 		my $found = 0;
       
   390 		foreach my $path (split(/;/,$ENV{PATH}))
       
   391 			{
       
   392 			if (-e $path."\\reldata\.pm")
       
   393 				{
       
   394 				push @INC, $path;
       
   395 				$found = 1;
       
   396 				last;
       
   397 				}
       
   398 			}
       
   399 
       
   400 		if (!$found)
       
   401 			{
       
   402 			$self->Error("Couldn't find release tools in path");
       
   403 			}
       
   404 
       
   405 		# Require core modules
       
   406 		require RelData;
       
   407 		require IniData;
       
   408 		$self->{RELTOOLS_REQUIRED}="required";
       
   409 		}
       
   410 	}
       
   411 
       
   412 ###########################################
       
   413 # Handling Commands, Phases and components.
       
   414 ###########################################
       
   415 
       
   416 # void Command(scalar aMessage)
       
   417 # Prints out a command in scanlog format to the log file or stdout
       
   418 sub Command($)
       
   419   {
       
   420   my $self = shift;
       
   421 	my ($aCommand) = @_;
       
   422   my $message = "===-------------------------------------------------\n=== Stage=$self->{stageNumber}.$aCommand\n===-------------------------------------------------\n";	my $logfile = $self->{iLOGFILE};
       
   423   $self->Print($message);
       
   424 	}
       
   425 
       
   426 # void PhaseStart(scalar aPhaseName)
       
   427 # If a current phase is active then this is closed, if when doing so a
       
   428 # non-zero error count is returned by PhaseEnd() then Die is called. This
       
   429 # is regarded as a logic error as the stage runner should normally call PhaseEnd()
       
   430 # itself and decide what to do about any errors that occured in that phase.
       
   431 sub PhaseStart($)
       
   432   {
       
   433   my $self = shift;
       
   434   my $phase = shift;
       
   435   if (defined $self->{iPhase})
       
   436     {
       
   437     my $numErrs = $self->PhaseEnd();
       
   438     # If there are errors returned by PhaseEnd then Die()
       
   439     if ($numErrs != 0)
       
   440       {
       
   441         $self->Die("Fatal logic error detected, CConfig::PhaseStart() called without PhaseEnd() when phase has $numErrs errors.\n");
       
   442       }
       
   443     }
       
   444     
       
   445     $self->{stageNumber}++; # For scanlog compatibility
       
   446     
       
   447     
       
   448     $self->Command($phase);
       
   449     $self->{iPhase} = $phase;
       
   450 
       
   451     my $localTime = ctime(); 
       
   452     my $message = "=== Stage=$self->{stageNumber}.$self->{iPhase} started $localTime\n";
       
   453     $message .= "=== Stage=$self->{stageNumber}.$self->{iPhase} == $self->{iPhase}\n"; # For Scanlog compatibility
       
   454     $message .= "+++ HiRes Start " . time() . "\n"; # For Scanlog compatibility
       
   455     $message .= "--  $self->{iPhase}: Miscellaneous\n"; # For Scanlog compatibility
       
   456     $self->Print($message);
       
   457     $self->{iPhaseErrorCount} = 0;
       
   458   }
       
   459   
       
   460 # scalar PhaseEnd(void)
       
   461 # Closes the current phase and returns a count of the number of errors encountered.
       
   462 # This will die if a PhaseStart() has not been declared.
       
   463 sub PhaseEnd()
       
   464   {
       
   465   my $self = shift;
       
   466   my $localTime = ctime();
       
   467   if (defined $self->{iPhase})
       
   468     {   
       
   469     my $message = "+++ HiRes End " . time() . "\n"; # For Scanlog compatibility
       
   470     $message .= "=== Stage=$self->{stageNumber}.$self->{iPhase} finished $localTime\n";
       
   471     $self->Print($message);
       
   472     }
       
   473   else
       
   474     {
       
   475     $self->Die("Error: CConfig::PhaseEnd() called without corresponding PhaseStart()\n");
       
   476     }
       
   477 	$self->{iPhase} = undef;
       
   478   return $self->{iPhaseErrorCount};
       
   479   }
       
   480   
       
   481 # void Component(scalar aComponent)
       
   482 # Prints out a component for this phase in scanlog format to the log file or stdout
       
   483 sub Component($)
       
   484   {
       
   485   my $self = shift;
       
   486 	my ($aComponent) = @_;
       
   487   if (!defined $self->{iPhase})
       
   488     {
       
   489     $self->Die("Logger: Undefined phase for component \"$aComponent\"\n");
       
   490     }
       
   491   else
       
   492     {
       
   493     my $message = "+++ HiRes End " . time() . "\n-- $aComponent\n+++ HiRes Start " . time();
       
   494     $self->Print($message);
       
   495     }
       
   496   }
       
   497 
       
   498 ###############################
       
   499 # Handling errors and warnings.
       
   500 ###############################
       
   501 
       
   502 # void Error(scalar aMessage)
       
   503 # Writes an error message to the logfile (if defined) or stdout
       
   504 # and will increment the error count for this phase.
       
   505 sub Error($)
       
   506   {
       
   507 	my $self = shift;
       
   508 	my ($aMessage) = @_;
       
   509   $self->{iPhaseErrorCount} += 1;
       
   510   my $message = "ERROR: $aMessage";
       
   511   $self->Print($message);
       
   512   }
       
   513 
       
   514 # void Warning(scalar aMessage)
       
   515 # Writes an warning message to the logfile (if defined) or stdout
       
   516 sub Warning($)
       
   517   {
       
   518 	my $self = shift;
       
   519 	my ($aMessage) = @_;
       
   520   my $message = "WARNING: $aMessage";
       
   521   $self->Print($message);
       
   522   }
       
   523 
       
   524 sub DESTROY
       
   525 	{
       
   526 	my $self = shift;
       
   527 
       
   528 	# Avoid "unreferenced scalar" error in Perl 5.6 by not calling
       
   529 	# PhaseEnd method for each object in multi-threaded CDelta.pm
       
   530 
       
   531    if ((defined $self->{iPhase}) && ($self->{iPhase} !~ /CDelta/)) {
       
   532       $self->PhaseEnd;
       
   533    }
       
   534 
       
   535 	if (defined($self->{iLOGFILE}))
       
   536 		{
       
   537 		$self->{iLOGFILE}->close();
       
   538 		$self->{iLOGFILE} = undef;
       
   539 		}
       
   540 	}
       
   541 1;