| 1 |
#
|
| 2 |
# ScramProjectDB.pm - Keep a track of available projects
|
| 3 |
#
|
| 4 |
# Originally Written by Christopher Williams
|
| 5 |
#
|
| 6 |
# Description
|
| 7 |
# -----------
|
| 8 |
# Stores project area information
|
| 9 |
#
|
| 10 |
# Interface
|
| 11 |
# ---------
|
| 12 |
# new(dbfile) : A new dbobject object
|
| 13 |
# file() : return the db file
|
| 14 |
# getarea(name,version) : return the object matching the name version
|
| 15 |
# addarea(ConfigArea) : add a project
|
| 16 |
# removearea(name,version) : remove the named project
|
| 17 |
# link(dblocation) : link with specified db
|
| 18 |
# unlink(dblocation) : remove link with a specified db
|
| 19 |
|
| 20 |
package Scram::ScramProjectDB;
|
| 21 |
use Utilities::Verbose;
|
| 22 |
require 5.004;
|
| 23 |
@ISA=qw(Utilities::Verbose);
|
| 24 |
|
| 25 |
sub new {
|
| 26 |
my $class=shift;
|
| 27 |
my $self={};
|
| 28 |
bless $self, $class;
|
| 29 |
$self->{dbfile}=shift;
|
| 30 |
$self->_readdbfile($self->{dbfile});
|
| 31 |
return $self;
|
| 32 |
}
|
| 33 |
|
| 34 |
sub file {
|
| 35 |
my $self=shift;
|
| 36 |
return $self->{dbfile};
|
| 37 |
}
|
| 38 |
|
| 39 |
sub getarea {
|
| 40 |
my $self=shift;
|
| 41 |
my $name=shift;
|
| 42 |
my $version=shift;
|
| 43 |
|
| 44 |
my $area;
|
| 45 |
my $index=$self->_findlocal($name,$version);
|
| 46 |
if ( $index != -1 ) {
|
| 47 |
my $location=$self->{projects}[$index][3];
|
| 48 |
$area=Configuration::ConfigArea->new();
|
| 49 |
$self->verbose("Attempt to ressurect $name $version from $location");
|
| 50 |
if ( $area->bootstrapfromlocation($location) == 1 ) {
|
| 51 |
undef $area;
|
| 52 |
$self->verbose("attempt unsuccessful");
|
| 53 |
}
|
| 54 |
else {
|
| 55 |
$self->verbose("area found");
|
| 56 |
}
|
| 57 |
}
|
| 58 |
return $area;
|
| 59 |
}
|
| 60 |
|
| 61 |
sub addarea {
|
| 62 |
my $self=shift;
|
| 63 |
my $area=shift;
|
| 64 |
|
| 65 |
my $name=$area->name();
|
| 66 |
my $version=$area->version();
|
| 67 |
my $type="_location";
|
| 68 |
my $url=$area->location();
|
| 69 |
push @{$self->{projects}}, [ ($name,$version,$type,$url) ];
|
| 70 |
$self->_save();
|
| 71 |
}
|
| 72 |
|
| 73 |
sub removearea {
|
| 74 |
my $self=shift;
|
| 75 |
my $name=shift;
|
| 76 |
my $version=shift;
|
| 77 |
|
| 78 |
print "Not yet implemented\n";
|
| 79 |
}
|
| 80 |
|
| 81 |
sub link {
|
| 82 |
my $self=shift;
|
| 83 |
my $dbfile=shift;
|
| 84 |
|
| 85 |
my $newdb=Scram::ScramProjectDB->new($dbfile);
|
| 86 |
push @{$self->{linkeddbs}},$newdb;
|
| 87 |
$self->_save();
|
| 88 |
}
|
| 89 |
|
| 90 |
# -- Support Routines
|
| 91 |
|
| 92 |
#
|
| 93 |
# Search through the project list until we get a match
|
| 94 |
sub _findlocal {
|
| 95 |
my $self=shift;
|
| 96 |
my $name=shift;
|
| 97 |
my $version=shift;
|
| 98 |
|
| 99 |
my $found=-1;
|
| 100 |
for (my $i=0; $i<=$#{$self->{projects}}; $i++ ) {
|
| 101 |
if ( ( $self->{projects}[$i][0] eq $name) &&
|
| 102 |
( $self->{projects}[$i][1] eq $version) ) {
|
| 103 |
$found=$i;
|
| 104 |
last;
|
| 105 |
}
|
| 106 |
}
|
| 107 |
return $found;
|
| 108 |
}
|
| 109 |
|
| 110 |
sub _save {
|
| 111 |
my $self=shift;
|
| 112 |
|
| 113 |
use FileHandle;
|
| 114 |
my $fh=FileHandle->new();
|
| 115 |
my $filename=$self->{dbfile}."_tmp";
|
| 116 |
open ( $fh, ">$filename" );
|
| 117 |
# print current links
|
| 118 |
foreach $db ( @{$self->{linkeddbs}} ) {
|
| 119 |
print $fh "\!DB ".$db->file()."\n";
|
| 120 |
}
|
| 121 |
# save project info
|
| 122 |
my $temp;
|
| 123 |
foreach $elem ( @{$self->{projects}} ) {
|
| 124 |
$temp=join ":", @{$elem};
|
| 125 |
print $fh $temp;
|
| 126 |
}
|
| 127 |
undef $fh;
|
| 128 |
}
|
| 129 |
|
| 130 |
sub _readdbfile {
|
| 131 |
my $self=shift;
|
| 132 |
my $file=shift;
|
| 133 |
|
| 134 |
use FileHandle;
|
| 135 |
my $fh=FileHandle->new();
|
| 136 |
open ( $fh, "<$file" );
|
| 137 |
|
| 138 |
my @vars;
|
| 139 |
while ( $map=<$fh> ) {
|
| 140 |
chomp $map;
|
| 141 |
if ( $map=~/^\!DB (.*)/ ) { # Check for other DB files
|
| 142 |
my $db=$1;
|
| 143 |
if ( -f $db ) {
|
| 144 |
$newdb=Scram::ScramProjectDB->new($db);
|
| 145 |
push @{$self->{linkeddbs}},$newdb;
|
| 146 |
}
|
| 147 |
next;
|
| 148 |
}
|
| 149 |
@vars = split ":", $map;
|
| 150 |
push @{$self->{projects}}, [ @vars ];
|
| 151 |
}
|
| 152 |
undef $fh;
|
| 153 |
}
|
