Heavily improved devedit_reload():

[devedit.git] / modules / Tool.pm

diff --git a/modules/Tool.pm b/modules/Tool.pm
index 47b73e660dcf5069cc2de8b1b1c2f0431970d402..1bc020d2b3fcdb0dc53a9888ff4259b245f8ef9f 100644 (file)
--- a/modules/Tool.pm
+++ b/modules/Tool.pm
@@ -6,17 +6,19 @@ package Tool;
 # Some shared sub routines
 #
 # Author:        Patrick Canterino <patshaping@gmx.net>
-# Last modified: 09-22-2003
+# Last modified: 2004-07-12
 #
 
 use strict;
 
 use vars qw(@EXPORT);
 
-use Carp qw(croak);
+use CGI qw(redirect
+           escape
+           virtual_host
+           https);
 
 use Cwd qw(abs_path);
-use File::Basename;
 use File::Spec;
 
 ### Export ###
@@ -25,7 +27,10 @@ use base qw(Exporter);
 
 @EXPORT = qw(check_path
              clean_path
-             filemode
+             devedit_reload
+             equal_url
+             file_name
+             query_string
              upper_path);
 
 # check_path()
@@ -56,17 +61,11 @@ sub check_path($$)
   # The path points to a file
   # We have to extract the directory name and create the absolute path
 
-  my @pathinfo = fileparse($path);
+  my $dir  = upper_path($path);
+  my $file = file_name($path);
 
-  # This is only to avoid errors
-
-  my $basename = $pathinfo[0] || '';
-  my $dir      = $pathinfo[1] || '';
-  my $ext      = $pathinfo[2] || '';
-
-  $dir = abs_path($dir);
-
-  $path = $dir."/".$basename.$ext;
+  $dir  = abs_path($dir);
+  $path = $dir."/".$file;
  }
  else
  {
@@ -83,7 +82,7 @@ sub check_path($$)
 
  my $short_path = substr($path,length($root));
  $short_path =~ tr!\\!\/!;
- $short_path = "/".$short_path unless($short_path =~ m!^/!);
+ $short_path = "/".$short_path if($short_path !~ m!^/!);
  $short_path = $short_path."/" if($short_path !~ m!/$! && -d $path);
 
  return ($path,$short_path);
@@ -107,42 +106,105 @@ sub clean_path($)
  return $path;
 }
 
-# filemode()
+# devedit_reload()
 #
-# Creates a readable string of a UNIX filemode number
-# (copied from Tool.pm of Dev-Editor 0.1.4)
+# Create a HTTP redirection header to load Dev-Editor
+# with some other parameters
 #
-# Params: Filemode as number
+# Params: Hash Reference (will be merged to a query string)
 #
-# Return: Filemode as readable string
+# Return: HTTP redirection header (Scalar Reference)
 
-sub filemode($)
+sub devedit_reload($)
 {
-    my ($modestring, $ur, $uw, $ux, $gr, $gw, $gx, $or, $ow, $ox);
-    my $mode = shift;
-
-    $ur = ($mode & 0400) ? "r" : "-";       # User Read
-    $uw = ($mode & 0200) ? "w" : "-";       # User Write
-    $ux = ($mode & 0100) ? "x" : "-";       # User eXecute
-    $gr = ($mode & 0040) ? "r" : "-";       # Group Read
-    $gw = ($mode & 0020) ? "w" : "-";       # Group Write
-    $gx = ($mode & 0010) ? "x" : "-";       # Group eXecute
-    $or = ($mode & 0004) ? "r" : "-";       # Other Read
-    $ow = ($mode & 0002) ? "w" : "-";       # Other Write
-    $ox = ($mode & 0001) ? "x" : "-";       # Other eXecute
-
-    # build a readable mode string (rwxrwxrwx)
-    return $ur . $uw . $ux . $gr . $gw . $gx . $or . $ow . $ox;
+ my $params = shift;
+
+ # Detect the protocol (simple HTTP or SSL encrypted HTTP)
+ # and check if the server listens on the default port
+
+ my $protocol = "";
+ my $port     = "";
+
+ if(https)
+ {
+  # SSL encrypted HTTP (HTTPS)
+
+  $protocol = "https";
+  $port     = ($ENV{'SERVER_PORT'} == 443) ? "" : ":".$ENV{'SERVER_PORT'};
+ }
+ else
+ {
+  # Simple HTTP
+
+  $protocol = "http";
+  $port     = ($ENV{'SERVER_PORT'} == 80)  ? "" : ":".$ENV{'SERVER_PORT'};
+ }
+
+ # The following code is grabbed from Template::_query of
+ # Andre Malo's selfforum (http://sourceforge.net/projects/selfforum/)
+ # and modified by Patrick Canterino
+
+ my $query = '?'.join ('&' =>
+    map {
+      (ref)
+      ? map{escape ($_).'='.escape ($params -> {$_})} @{$params -> {$_}}
+      : escape ($_).'='.escape ($params -> {$_})
+    } keys %$params
+  );
+
+ # Create the redirection header
+
+ my $header = redirect($protocol."://".virtual_host.$port.$ENV{'SCRIPT_NAME'}.$query);
+
+ return \$header;
 }
 
-# upper_path()
+# equal_url()
+#
+# Create URL equal to a file or directory
+#
+# Params: 1. HTTP root
+#         2. Relative path
+#
+# Return: Formatted link (String)
+
+sub equal_url($$)
+{
+ my ($root,$path) = @_;
+ my $url;
+
+ $root =~ s!/$!!;
+ $path =~ s!^/!!;
+ $url  =  $root."/".$path;
+
+ return $url;
+}
+
+# file_name()
 #
-# Truncate a path in one of the following ways:
+# Return the last part of a path
+#
+# Params: Path
+#
+# Return: Last part of the path
+
+sub file_name($)
+{
+ my $path =  shift;
+ $path    =~ tr!\\!/!;
+
+ unless($path eq "/")
+ {
+  $path = substr($path,0,-1) if($path =~ m!/$!);
+  $path = substr($path,rindex($path,"/")+1);
+ }
+
+ return $path;
+}
+
+# upper_path()
 #
-# - If the path points to a directory, the upper directory
-#   will be returned.
-# - If the path points to a file, the directory containing
-#   the file will be returned.
+# Cut away the last part of a path
 #
 # Params: Path
 #
@@ -156,8 +218,7 @@ sub upper_path($)
  unless($path eq "/")
  {
   $path = substr($path,0,-1) if($path =~ m!/$!);
-  $path = substr($path,0,rindex($path,"/"));
-  $path = $path."/";
+  $path = substr($path,0,rindex($path,"/")+1);
  }
 
  return $path;