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package BMakeWorkspaceCreator;

# ************************************************************

# Description   : A Borland Make Workspace (Makefile) creator

# Author        : Chad Elliott

# Create Date   : 2/03/2004

# ************************************************************

# ************************************************************

# Pragmas

# ************************************************************

use strict;

use File::Basename;

use BMakeProjectCreator;

use WorkspaceCreator;

use vars qw(@ISA);

@ISA = qw(WorkspaceCreator);

# ************************************************************

# Data Section

# ************************************************************

my($max_line_length) = 32767; ## Borland Make's maximum line length

my(@targets) = ('clean', 'generated', 'realclean', '$(CUSTOM_TARGETS)');

# ************************************************************

# Subroutine Section

# ************************************************************

sub supports_make_coexistence {

  #my($self) = shift;

  return 1;

}

sub crlf {

  my($self) = shift;

  return $self->windows_crlf();

}

sub workspace_file_name {

  my($self) = shift;

  if ($self->make_coexistence()) {

    return $self->get_modified_workspace_name($self->get_workspace_name(),

                                              '.bmake');

  }

  else {

    return $self->get_modified_workspace_name('Makefile', '');

  }

}

sub workspace_per_project {

  #my($self) = shift;

  return 1;

}

sub pre_workspace {

  my($self) = shift;

  my($fh)   = shift;

  my($crlf) = $self->crlf();

  print $fh '#----------------------------------------------------------------------------', $crlf,

            '#       Borland Workspace Makefile', $crlf,

            '#', $crlf,

            '# $Id: BMakeWorkspaceCreator.pm 198 2005-12-15 11:30:53Z bj $', $crlf,

            '#', $crlf,

            '# This file was generated by MPC.  Any changes made directly to', $crlf,

            '# this file will be lost the next time it is generated.', $crlf,

            '#', $crlf,

            '# MPC Command:', $crlf,

            "# $0 @ARGV", $crlf,

            '#', $crlf,

            '#----------------------------------------------------------------------------', $crlf,

            $crlf;

}

sub write_project_targets {

  my($self)     = shift;

  my($fh)       = shift;

  my($target)   = shift;

  my($list)     = shift;

  my($crlf)     = $self->crlf();

  my($cwd)      = $self->getcwd();

  foreach my $project (@$list) {

    my($dir)   = $self->mpc_dirname($project);

    my($chdir) = 0;

    my($back)  = '';

    ## If the directory isn't '.' then we need

    ## to figure out how to get back to our starting point

    if ($dir ne '.') {

      $chdir = 1;

      my($count) = ($dir =~ tr/\///) + 1;

      if ($dir =~ /^\.\.\//) {

        ## Find out how many directories we went down

        my($rel) = $dir;

        while($rel =~ s/^\.\.\///) {

        }

        my($down) = ($rel =~ tr/\///) + 1;

        ## Get $count - $down parts of the base of the current directory

        $rel = $cwd;

        my($index) = length($rel);

        for(my $i = $down; $i < $count; $i++) {

          $index = rindex($rel, '/', $index - 1);

        }

        if ($index > -1) {

          $rel = substr($rel, $index + 1);

        }

        $back = ('../' x $down) . $rel;

      }

      else {

        $back = ('../' x $count);

      }

    }

    print $fh ($chdir ? "\t\@cd $dir$crlf" : ''),

              "\t\$(MAKE) -\$(MAKEFLAGS) -f ", basename($project),

              " $target$crlf",

              ($chdir ? "\t\@cd $back$crlf" : '');

  }

}

sub write_comps {

  my($self)     = shift;

  my($fh)       = shift;

  my($projects) = $self->get_projects();

  my($pjs)      = $self->get_project_info();

  my(%targnum)  = ();

  my(@list)     = $self->number_target_deps($projects, $pjs, \%targnum);

  my($crlf)     = $self->crlf();

  my(@ltargets) = @targets;

  ## Set up the custom targets

  print $fh '!ifndef CUSTOM_TARGETS', $crlf,

            'CUSTOM_TARGETS=_EMPTY_TARGET_', $crlf,

            '!endif', $crlf;

  ## Construct the "all" target

  my($all) = 'all:';

  foreach my $project (@list) {

    $all .= " $$pjs{$project}->[0]";

  }

  if (length($all) < $max_line_length) {

    print $fh $crlf, $all, $crlf;

  }

  else {

    unshift(@ltargets, 'all');

  }

  ## Print out all other targets here

  foreach my $target (@ltargets) {

    print $fh $crlf, $target, ':', $crlf;

    $self->write_project_targets($fh, $target, \@list);

  }

  ## Print out each target separately

  foreach my $project (@list) {

    print $fh $crlf, $$pjs{$project}->[0], ':';

    if (defined $targnum{$project}) {

      foreach my $number (@{$targnum{$project}}) {

        print $fh " $$pjs{$list[$number]}->[0]";

      }

    }

    print $fh $crlf;

    $self->write_project_targets($fh, 'all', [ $project ]);

  }

  ## Print out the project_name_list target

  print $fh $crlf, 'project_name_list:', $crlf;

  foreach my $project (sort @list) {

    print $fh "\t\@echo $$pjs{$project}->[0]$crlf";

  }

}

1;