WikiPatches/IndexWithSizes

This patch adds byte counts to each of the pages listed in the index. It's a little funky in that it caches the sizes in a symlink alongside each db file. -- SteveFink

--- wiki.pl.5	Mon Nov 18 18:13:24 2002
+++ wiki.pl.6	Mon Nov 18 18:22:16 2002
@@ -1853,6 +1853,29 @@
   return $PageDir . "/" . &GetPageDirectory($id) . "/$id.db";
 }
 
+sub CachePageSize {
+  my ($fname, $size) = @_;
+  unlink($fname);
+  symlink($size, $fname);
+}
+
+sub GetPageSize {
+  my ($id) = @_;
+  my $fname = GetPageFile($id) . ".size";
+  if (-l $fname) {
+    return readlink($fname);
+  } else {
+    local %Page;
+    local %Text;
+    local %Section;
+    OpenPage($id);
+    OpenDefaultText();
+    my $size = length($Text{'text'});
+    CachePageSize($fname, $size);
+    return $size;
+  }
+}
+
 sub OpenPage {
   my ($id) = @_;
   my ($fname, $data);
@@ -1922,6 +1945,7 @@
   $Page{'ts'} = $Now;        # Updated every edit
   &CreatePageDir($PageDir, $OpenPageName);
   &WriteStringToFile($file, join($FS1, %Page));
+  &CachePageSize("$file.size", length($Text{'text'}));
 }
 
 sub SaveSection {
@@ -2361,6 +2385,11 @@
 }
 
 sub GenerateAllPagesList {
+  my (%options) = @_;
+  my $need_sizes = $options{'sizes'}
+    || defined($options{'minsize'})
+    || defined($options{'maxsize'});
+
   my (@pages, @dirs, $id, $dir, @pageFiles, @subpageFiles, $subId);
 
   @pages = ();
@@ -2406,14 +2435,51 @@
       }
     }
   }
-  return sort(@pages);
+
+  return sort(@pages) unless $need_sizes;
+
+  # Compute the sizes of all the pages
+  @pages = sort(@pages);
+  my @sizes;
+  push(@sizes, GetPageSize($_)) foreach (@pages);
+
+  if (defined($options{'minsize'})) {
+    my (@newpages, @newsizes);
+    for (0..$#pages) {
+      next if $sizes[$_] < $options{'minsize'};
+      push @newpages, $pages[$_];
+      push @newsizes, $sizes[$_];
+    }
+    @pages = @newpages;
+    @sizes = @newsizes;
+  }
+
+  if (defined($options{'maxsize'})) {
+    my (@newpages, @newsizes);
+    for (0..$#pages) {
+      next if $sizes[$_] > $options{'maxsize'};
+      push @newpages, $pages[$_];
+      push @newsizes, $sizes[$_];
+    }
+    @pages = @newpages;
+    @sizes = @newsizes;
+  }
+
+  return @pages if ! $options{'sizes'};
+  return (\@pages, \@sizes);
 }
 
 sub AllPagesList {
+  my (%options) = @_;
+
   my ($rawIndex, $refresh, $status);
 
-  if (!$UseIndex) {
-    return &GenerateAllPagesList();
+  my $need_sizes = $options{'sizes'}
+    || defined($options{'minsize'})

+    || defined($options{'maxsize'});
+
+  if (!$UseIndex || $need_sizes) {
+    return &GenerateAllPagesList(%options);
   }
   $refresh = &GetParam("refresh", 0);
   if ($IndexInit && !$refresh) {
@@ -2569,7 +2635,9 @@
     } elsif ($action eq "unlock") {
       &DoUnlock();
     } elsif ($action eq "index") {
-      &DoIndex();
+      &DoIndex(sizes => &GetParam("sizes", 0),
+	       minsize => &GetParam("minsize", undef),
+	       maxsize => &GetParam("maxsize", undef));
     } elsif ($action eq "links") {
       &DoLinks();
     } elsif ($action eq "maintain") {
@@ -3023,9 +3091,10 @@
 }
 
 sub DoIndex {
+  my (%options) = @_;
   print &GetHeader('', T('Index of all pages'), '');
   print '<br>';
-  &PrintPageList(&AllPagesList());
+  &PrintPageList(&AllPagesList(%options));
   print &GetCommonFooter();
 }
 
@@ -3154,13 +3223,29 @@
 }
 
 sub PrintPageList {
+  my ($pages, $sizes);
+  if (ref($_[0])) {
+    ($pages, $sizes) = @_;
+  } else {
+    $pages = \@_;
+  }
+
   my $pagename;
 
-  print "<h2>", Ts('%s pages found:', ($#_ + 1)), "</h2>\n";
-  foreach $pagename (@_) {
+  print "<h2>", Ts('%s pages found:', (0+@$pages)), "</h2>\n";
+  print "<table>\n" if $sizes;
+  foreach $pagename (@$pages) {
+    print "<tr><td align=left>" if $sizes;
     print ".... "  if ($pagename =~ m|/|);
-    print &GetPageLink($pagename), "<br>\n";
+    print &GetPageLink($pagename);
+    if ($sizes) {
+      print "</td><td align=right>";
+      print shift(@$sizes), " bytes";
+      print "</td></tr>\n";
+    }
+    print "<br>\n" unless $sizes;
   }
+  print "</table>\n" if $sizes;
 }
 
 sub DoLinks {