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# Copyright (C) 2010 Vix-ERG Limited, All rights reserved

#

# Module name   : nsisDirective.pm

# Module type   : Makefile system

# Compiler(s)   : Perl

# Environment(s): jats

#

# Description   : Provides the 'nsisDirective' directive to JATS

#

# Usage         : See Below

#

#......................................................................#

require 5.008_002;

use strict;

use warnings;

use JatsError;

our $ScmPlatform;                       # Target Platform

#

#   Directive specific globals

#

my $MakeNsisPackage_count = 1;          # Suffix for multiple generated files

my %MakeNsisPackage_names;              # Hash of used output names

#-------------------------------------------------------------------------------

# Function        : MakeNsisPackage

#

# Description     : This directive supports the building of Windows Installers

#                   using NSIS. This is a script driven application

#

# Inputs          : $platform   - Pltaform selector

#                   @elements   - Options and arguments

#

#                   Valid Options and Arguments

#                       --Script=Name           - Specifies the script to use

#                                                 Multiple allowed

#                       --Verbose=n             - Specifies verbosity

#                       --Output=Name           - Specifies the output EXE

#                                                 Defaults to useful name

#                       --Define=Name=Value     - Send to compiler

#                       --Package=Name          - Use this package name instead

#                                                 of the build's name.

#                                                 Not suggested

#                       --Plain                 - No frills

#                       --NoPackage             - Do not package the installer

#

#

# Returns         : Will not return on error

#

sub MakeNsisPackage

{

    my( $platforms, @elements ) = @_;

    my @scripts;

    my $vlevel = 2;

    my $ofile;

    my @defines;

    my @genargs;

    my $package = $ScmBuildPackage;

    my $noPackage;

    return if ( ! ActivePlatform($platforms) );

    #

    #   Parse the command line arguments

    #

    foreach ( @elements )

    {

        if ( m~^--Script=(.+)~i ) {

            push @scripts, $1;

        } elsif  ( m~^--Verbose=(\d+)~i ) {

            $vlevel = $1;

        } elsif  ( m~^--Output=(.+)~i ) {

            $ofile = $1;

        } elsif  ( m~^--Define=(.+)~i ) {

            push @defines, $1;

        } elsif  ( m~^--Plain~i ) {

            push @genargs, '-Plain';

        } elsif  ( m~^--Package=(.+)~i ) {

            push @genargs, '-Package=' . $1;

            $package = $1;

        } elsif  ( m~^--NoPackage~i ) {

            $noPackage = 1;

        } else {

            Warning ("nsisDirective: Unknown option ignored: $_");

        }

    }

    #

    #   Sanity Tests

    #

    Error ("nsisDirective: No script specified" ) unless ( @scripts );

    $vlevel = 4 if ( $vlevel > 4 );

    $vlevel = 0 if ( $vlevel < 0 );

    #

    #   Create a 'nice' executable name, unless one has been provided

    #   Could have ${GBE_TYPE} suffix, but other windows installers don't

    #

    #   Note: Fix platform to WIN32 incase the installer is based on other

    #         platforms (ie: VS2005) as that would be most confusing.

    #         Could be based on machine type.

    #

    $ofile = "$package-$ScmBuildVersion.$ScmBuildProject-WIN32"

        unless ( $ofile );

    $ofile .= '.exe'

        unless ( $ofile =~ m~\.exe$~i );

    Error ("MakeNsisPackage. Multiple packages with the same name: $ofile")

        if ( exists $MakeNsisPackage_names{$ofile} );

    #

    #   Create unique file name for the jats-generated file

    #   Include the name of the first script

    #

    my $dfile = $scripts[0];

    $dfile =~ s~^.*/~~;

    $dfile =~ s~\..*?$~~;

    $dfile = 'JatsNsisDefs'. $MakeNsisPackage_count++ . '_' . $dfile . '.nsh';

    $MakeNsisPackage_names{$ofile} = $dfile;

    #

    #   Create build time values in a file suitable for NSIS to include

    #

    GenerateFiles ('*', '--Tool=MakeNsisDefs.pl',

                   '-installer=' . $ofile,

                   @genargs,

                   '-out=--Generated('.$dfile.')' );

    #

    #   Invoke 'makensis' to do the hard work

    #

    GenerateFiles ('*', 'makensis' ,

                        $noPackage ? '--NoGenerate' : '--AutoGenerate',

                        '--Text=' . $ofile,

                        '--NoVarTag',

                        '--UnknownPreq',

                        '--CreatedProg='. $ofile,

                        '/NOCONFIG',

                        '/NOCD',

                        '--Var(BinDir,--tag=/DGBE_BINDIR)',

                        '--Var(ObjDir,--tag=/DGBE_OBJDIR)',

                        '--Var(Target,--tag=/DGBE_TARGET)',

                        '--Var(Type,--tag=/DGBE_TYPE)',

                        (map { '/D' . $_ } @defines),

                        '/V' . $vlevel,

                        '--Prerequisite('.$dfile.')',

                        map { '--Prerequisite('.$_. ')' } @scripts,

                        );

    # Package up the EXE

    #

    PackageFile ('*', $ofile )

        unless $noPackage;

}

1;