"Revert" sounds better than "discard"

[devedit.git] / modules / Config / DevEdit.pm

diff --git a/modules/Config/DevEdit.pm b/modules/Config/DevEdit.pm
index 8adfd358748ce720c082025247c30a9637cf918d..bc93cfeb290be450ea4a46e23f349a41939c345d 100644 (file)
--- a/modules/Config/DevEdit.pm
+++ b/modules/Config/DevEdit.pm
@@ -3,10 +3,10 @@ package Config::DevEdit;
 #
 # Dev-Editor - Module Config::DevEdit
 #
-# Parse the configuration file
+# Read and parse the configuration files
 #
-# Author:        Patrick Canterino <patshaping@gmx.net>
-# Last modified: 2004-01-16
+# Author:        Patrick Canterino <patrick@patshaping.de>
+# Last modified: 2005-09-30
 #
 
 use strict;
@@ -14,6 +14,8 @@ use strict;
 use vars qw(@EXPORT);
 use Carp qw(croak);
 
+use Text::ParseWords;
+
 ### Export ###
 
 use base qw(Exporter);
@@ -22,41 +24,145 @@ use base qw(Exporter);
 
 # read_config()
 #
-# Parse the configuration file
+# Read the configuration files of Dev-Editor
 #
-# Params: Path to configuration file
+# Params: Path to main configuration file
 #
 # Return: Configuration (Hash Reference)
 
 sub read_config($)
+{
+ my $file = shift;
+
+ my $config = parse_config($file);
+
+ $config->{'errors'}    = parse_config($config->{'error_file'});
+ $config->{'templates'} = parse_config($config->{'template_file'});
+
+ # Check if we have to parse the user config file
+
+ if($ENV{'REMOTE_USER'} && $config->{'userconf_file'} && -f $config->{'userconf_file'})
+ {
+  my $userconf = parse_config($config->{'userconf_file'});
+
+  # Parse aliases (we use references, so we won't get a memory
+  # problem so soon...)
+
+  foreach my $user(keys(%$userconf))
+  {
+   if(my $aliases = $userconf->{$user}->{'aliases'})
+   {
+    foreach my $alias(parse_line('\s+',0,$aliases))
+    {
+     $userconf->{$alias} = $userconf->{$user} unless($userconf->{$alias});
+    }
+   }
+  }
+
+  if($userconf->{$ENV{'REMOTE_USER'}})
+  {
+   # The current HTTP Auth user has got an individual configuration
+   # Overwrite the default values
+
+   my $new_conf = $userconf->{$ENV{'REMOTE_USER'}};
+
+   $config->{'fileroot'}  = $new_conf->{'fileroot'}  if($new_conf->{'fileroot'});
+   $config->{'httproot'}  = $new_conf->{'httproot'}  if($new_conf->{'httproot'});
+
+   $config->{'forbidden'} = $new_conf->{'forbidden'} if(defined $new_conf->{'forbidden'});
+
+   $config->{'user_config'} = 1;
+  }
+ }
+
+ # Parse list of forbidden files
+
+ if($config->{'forbidden'})
+ {
+  my @files;
+
+  foreach my $file(parse_line('\s+',0,$config->{'forbidden'}))
+  {
+   $file =~ tr!\\!/!;
+
+   $file =  '/'.$file unless($file =~ m!^/!);
+   $file =~ s!/+$!!g;
+
+   push(@files,$file);
+  }
+
+  $config->{'forbidden'} = \@files;
+ }
+ else
+ {
+  $config->{'forbidden'} = [];
+ }
+
+ return $config;
+}
+
+# parse_config()
+#
+# Parse a configuration file
+#
+# Params: Path to configuration file
+#
+# Return: Configuration (Hash Reference)
+
+sub parse_config($)
 {
  my $file = shift;
  local *CF;
 
- open(CF,"<$file") or croak("Open $file: $!");
+ open(CF,'<'.$file) or croak("Open $file: $!");
  read(CF, my $data, -s $file);
  close(CF);
 
  my @lines  = split(/\015\012|\012|\015/,$data);
  my $config = {};
+ my $count  = 0;
+ my $sect;
 
  foreach my $line(@lines)
  {
+  $count++;
+
   next if($line =~ /^\s*#/);
-  next if($line !~ /^.+=.+$/);
 
-  my ($key,$value) = split(/=/,$line,2);
+  if($line =~ /^\s*\[(\S+)\]\s*$/)
+  {
+   # Switch to new section
+
+   $sect = $1;
+  }
+  elsif($line =~ /^\s*\S+\s*=.*$/)
+  {
+   # A normal "key = value" line
+
+   my ($key,$value) = split(/=/,$line,2);
+
+   # Remove whitespaces at the beginning and at the end
+
+   $key   =~ s/^\s+//g;
+   $key   =~ s/\s+$//g;
+   $value =~ s/^\s+//g;
+   $value =~ s/\s+$//g;
 
-  # Remove whitespaces at the beginning and at the end
+   if($sect)
+   {
+    $config->{$sect} = {} if(ref($config->{$sect}) ne 'HASH');
 
-  $key   =~ s/^\s*//g;
-  $key   =~ s/\s*$//g;
-  $value =~ s/^\s*//g;
-  $value =~ s/\s*$//g;
+    croak "Configuration option '$key' of section '$sect' defined twice in line $count of configuration file '$file'" if($config->{$sect}->{$key});
 
-  croak "Double defined value '$key' in configuration file '$file'" if($config->{$key});
+    $config->{$sect}->{$key} = $value;
+   }
+   else
+   {
+    croak "Configuration option '$key' defined twice in line $count of configuration file '$file'" if($config->{$key});
 
-  $config->{$key} = $value;
+    $config->{$key} = $value;
+   }
+  }
  }
 
  return $config;