releasing/cbrtools/perl/Symbian/CBR/MRP/Reader.pm
changeset 607 378360dbbdba
parent 602 3145852acc89
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/releasing/cbrtools/perl/Symbian/CBR/MRP/Reader.pm	Wed Jun 30 11:35:58 2010 +0800
@@ -0,0 +1,288 @@
+# Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+# All rights reserved.
+# This component and the accompanying materials are made available
+# under the terms of the License "Eclipse Public License v1.0"
+# which accompanies this distribution, and is available
+# at the URL "http://www.eclipse.org/legal/epl-v10.html".
+# 
+# Initial Contributors:
+# Nokia Corporation - initial contribution.
+# 
+# Contributors:
+# 
+# Description:
+# 
+#
+# Description:
+# Symbian::CBR::MRP::Reader
+#
+
+package Symbian::CBR::MRP::Reader;
+
+use strict;
+use Carp;
+use Symbian::CBR::MRP;
+
+use base qw(Class::Singleton);
+
+sub _new_instance {
+    my $pkg = shift;
+    my $self = {};
+    
+    # caller(0))[3] gives the package and the method called, e.g. Symbian::CBR::MRP::Reader::_new_instance
+    croak "Invalid number of arguments passed to " . (caller(0))[3] . "\n" if (scalar(@_));
+    
+    bless $self, $pkg;
+}
+
+sub ReadFile {
+    my $self = shift;    
+    my $file = shift;
+    my $type = shift;
+    
+    if (!$file || !$type || shift) {
+        croak "Invalid number of arguments passed to " . (caller(0))[3] . "\n";
+    }    
+    
+    my $mrpObject;
+    
+    # First we create the type of object required...
+    if ($type eq 'MRP') {
+        $mrpObject = Symbian::CBR::MRP->new($file);
+    }
+    elsif ($type eq 'MRPDATA') {
+        if (!eval "require MrpData") {
+            croak "Error: MrpData module is not available\n";
+        }
+        
+        # PDDEF128617 fix
+        # The envDb uses the path to the mrp file as a key with SRCROOT removed
+        # An earlier MrpData->New was provided data from the envDb to create an MrpData Object
+        # (so the key was mrp location with SRCROOT removed)
+        # The below MrpData->New is given the full filename (because this function has to read the file)
+        # This is wrong, the key for MrpData->New is not the full path
+        # So the below line removes the SRCROOT from the key before providing it to MrpData->New
+        my $localMrpName = $file;
+        if (Utils::WithinSourceRoot($localMrpName)){
+            $localMrpName = Utils::RemoveSourceRoot($localMrpName);        
+        }
+        #The 1 is to tell MrpData not to read the file
+        $mrpObject = MrpData->New($localMrpName, undef, undef, undef, undef, undef ,1);
+    }
+    else {
+        croak "Error: Invalid MRP object type $type\n";
+    }
+
+    if ($mrpObject->Populated()) {
+        # MrpData is a multiton, it's possible a populated object has been returned
+        return $mrpObject;
+    }
+    
+    if (!$mrpObject) {
+        croak "Unable to create an $type object for '$file'\n";   
+    }
+    
+    if (!-f $file) {
+        croak "Error: \"$file\" does not exist\n";
+    }
+
+    if ($self->{verbose}) {
+        print "Reading $file...\n";
+    }
+
+    # Then parse the file and populate the object
+    open MRP, $file or die "Unable to open \"$file\" for reading: $!\n";
+    
+    while (my $line = <MRP>) {
+        chomp $line;
+        
+        $line =~ s/(?<!\\)#.*$//;  # remove comments
+        $line =~ s/^\s+//;
+        next if (!$line); # blank lines
+
+        my @parts;
+        
+        my $string = $line;
+        while ($string) {
+            if ($string =~ s/^\"(.*?)\"//    # Match and remove next quoted string
+            or $string =~ s/^(.*?)\s+//  # or, match and remove next (but not last) unquoted string
+            or $string =~ s/^(.*)\s*$//) {  # or, match and remove last unquoted string.
+                push (@parts, $1);
+                $string =~ s/^\s+//; # Remove delimiter if present.
+            }
+        }
+        
+        my $keyword = shift @parts;
+
+        my $remove = ($keyword =~ s/^-//);
+        
+        if (!scalar(@parts) or ($remove && $keyword !~ /binary|testbinary|export_file/)) {
+            croak "Error: Invalid line in \"$file\" \(Line $.\): \"$line\"\n";
+        }
+
+        if ($keyword eq 'component') {
+            if (scalar @parts > 1) {
+                croak "Error: Invalid number of arguments to $keyword keyword in \"$file\"\n";   
+            }
+            if (!$mrpObject->SetComponent($parts[0])) {
+                croak "Error: 'component' keyword used more than once in \"$file\"\n";
+            }
+        }
+        elsif ($keyword eq 'notes_source') {
+            if (scalar @parts > 1) {
+                croak "Error: Invalid number of arguments to $keyword keyword in \"$file\"\n";   
+            }
+            if (!$mrpObject->SetNotesSource($parts[0])) {
+                croak "Error: 'notes_source' keyword used more than once in \"$file\"\n";
+            }
+        }       
+        elsif ($keyword eq 'source') {
+            my $source = join ' ', @parts;
+            if (!$mrpObject->SetSource($source)) { # some source statements contain spaces in the name
+                croak "Error: 'source' entry for \"$source\" defined more than once in \"$file\"\n";
+            }
+        }
+        elsif ($keyword =~ /^(test)?binary$/) {
+            if (scalar @parts > 4) {
+                croak "Error: Invalid number of arguments to $keyword keyword in \"$file\"\n";
+            }
+            
+            # SetBinary (operand, test, remove)
+            $mrpObject->SetBinary(\@parts, $1, $remove);
+        }
+        elsif ($keyword =~ /^(test)?exports$/) {
+            if (scalar @parts > 2) {
+                croak "Error: Invalid number of arguments to $keyword keyword in \"$file\"\n";
+            }
+
+            # SetExports (operand, test, dependantComponet)
+            $mrpObject->SetExports($parts[0], $1, $parts[1]);
+        }
+        elsif ($keyword eq 'export_file') {
+            if (scalar @parts > 3) {
+                croak "Error: Invalid number of arguments to $keyword keyword in \"$file\"\n";
+            }
+
+            # SetExportFile (source, destination, remove, dependantComponet)
+            $mrpObject->SetExportFile($parts[0], $parts[1], $remove, $parts[2]);
+        }
+        elsif ($keyword eq 'ipr') {
+            if (scalar @parts > 3) {
+                croak "Error: Invalid number of arguments to $keyword keyword in \"$file\"\n";
+            }
+
+            # SetIPR (category, path, exportRestricted)
+            if ($parts[0] eq 'export-restricted') {
+                if (!$mrpObject->SetIPR($parts[1], $parts[2], 1)) {
+                   croak "Error: IPR information for \"$parts[2]\" specified more than once in \"$file\"\n";
+                }
+            }
+            else {
+                if (!$mrpObject->SetIPR($parts[0], $parts[1], 0)) {
+                   croak "Error: IPR information for \"$parts[1]\" specified more than once in \"$file\"\n";
+                }
+            }
+        }
+        else {
+            croak "Error: Invalid line in \"$file\" \(Line $.\): \"$line\"\n";
+        }
+    }
+    close MRP;
+    
+    $mrpObject->ValidateParsing();
+
+    return $mrpObject;
+}
+
+sub SetVerbose {
+    my $self = shift;
+    
+    $self->{verbose} = 1;
+}
+
+1;
+
+__END__
+
+=pod
+
+=head1 NAME
+
+Symbian::CBR::MRP::Reader - Parses MRP files and returns a populated MRP object
+
+=head1 SYNOPSIS
+
+ use Symbian::CBR::MRP::Reader;
+
+ # Instantiate an instance of the Symbian::CBR::MRP::Reader object
+ my $mrpReader = Symbian::CBR::MRP::Reader->instance();
+
+ my $mrpFile = '\someFolder\anMrpFile.mrp';
+
+ # Enable verbose output
+ $mrpReader->SetVerbose();
+
+ # Call ReadFile on the mrp reader, specifying the MRP file to parse and the type
+ # of MRP object you want to be populated and returned
+ my $mrpObject = $mrpReader->ReadFile($mrpFile, 'MRP');
+
+ ...
+
+ # Call methods on the returned MRP object
+ $mrpObject->GetIPRInformation();
+
+=head1 DESCRIPTION
+
+This module is used to parse MRP files and populate MRP objects.  The user can
+specify the type of MRP object to be populated and returned.  This module includes
+basic MRP syntax checking but stronger syntax checking should be implemented
+in the MRP object to be populated.
+
+=head1 METHODS
+
+=head2 instance()
+
+Instantiates and returns Symbian::CBR::MRP::Reader object.  This object is a
+singleton.
+
+=head2 ReadFile (mrpfile, type)
+
+Reads the specified MRP file, instantiates and populates an MRP object of the
+type specified and then returns the populated MRP object to the caller.
+
+Valid MRP types are MRP and MRPDATA.
+
+MRP: This is a Symbian::CBR::MRP object.  It is a lightweight MRP object and
+contains only basic MRP functionality.  This option should be used when MRP
+objects are required for tools which are not part of the CBR Tools.  See the
+Symbian::CBR::MRP documentation for more details.
+
+MRPDATA:  This is an MrpData object, as used by the CBR Tools.  This option
+should only be used for the CBR Tools. See the MrpData documentation
+for more details.
+
+=head2 SetVerbose ()
+
+Used to set enable verbose output.  Once set it is not possible to unset the
+verbose output.  This is because this package is a singleton, and disabling the
+verbose output could disrupt other code using this same instance.  This means
+that it is not possible to disable the verbosity once it has been enabled.
+
+=head1 COPYRIGHT
+
+ Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
+ All rights reserved.
+ This component and the accompanying materials are made available
+ under the terms of the License "Eclipse Public License v1.0"
+ which accompanies this distribution, and is available
+ at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ 
+ Initial Contributors:
+ Nokia Corporation - initial contribution.
+ 
+ Contributors:
+ 
+ Description:
+ 
+
+=cut