added file for sanitizing plugins w.r.t. the foo_once issue

config/ri_once.pl

@@ -0,0 +1,235 @@
+#!/usr/bin/perl
+# ri_once.pl
+# Wouter Teepe (wouter@teepe.com)
+#
+# A simple configure script to fix the ri_once issue
+#
+# $Id$
+############################################################              
+
+$debug = 0;
+
+# sets the xterm color (only used when $debug=1)
+sub color {
+    $t = $_[0];
+    if ($t == 0) {
+	print "\e[0m";
+    } else {if ($t == 1) {
+	print "\e[0m\e[31;43m";
+    } else {if ($t == 2) {
+	print "\e[0m\e[30;42m";
+    } else {if ($t == 3) {
+	print "\e[0m\e[33;41m";
+    }}}}
+}
+
+# prints arg1 with color arg2 (only used when $debug=1)
+sub myprintdebug {
+    $line = $_[0];
+    $color = $_[1];
+    while ($line ne "") {
+        $pos = index($line, "\n");
+	if ($pos == -1) {
+	    &color($color);
+	    print $line;
+	    $line = "";
+	} else {
+	    &color($color);
+	    $str = substr($line, 0, $pos);
+	    print $str;
+	    print "\e[30;40m\n";
+	    $line = substr($line, $pos+1);
+	}
+    }
+    
+}
+
+# print arg1 to term or $out
+sub myprint {
+    if ($debug) {
+	&myprintdebug;
+    } else {
+	$out .= $_[0];
+    }
+}
+
+# parse php code fore include's and require's
+sub code {
+    $lastbyte = 0;
+    while ($phpcode ne "") {
+        $inc = index($phpcode, 'include');
+        $req = index($phpcode, 'require');
+        if (($req == -1) or (($inc != -1) and ($inc < $req))) {
+	    $index = $inc;
+        } else {
+	    $index = $req;
+        }
+        if ($index != -1) {
+	    &myprint(substr($phpcode, 0, $index), 1);
+	    if ($index > 0) {
+		$r = ord(substr($phpcode, $index-1, 1));
+	    } else {
+		$r = $lastbyte;
+	    }
+	    $falsematch = 0;
+	    if ((($r >= 125) and ($r <= 255)) or ($r == ord("_")) or 
+                (($r >= ord("A")) and ($r <= ord("Z"))) or
+                (($r >= ord("a")) and ($r <= ord("z"))) or
+                (($r >= ord("1")) and ($r <= ord("9")))) {
+	        $falsematch = 1;
+	    }
+	    if (!$falsematch) {
+	        $o = index($phpcode, '(', $index);
+	        if ($o == -1) {
+                    $p = substr($phpcode, $index+7);
+	        } else {
+                    $p = substr($phpcode, $index+7, $o-$index-7);
+	        }
+	        if (!($p =~ /^\s*$/)) {
+	            $falsematch = 1;
+	        }
+	    }
+	    if (!$falsematch) {
+		$mod++;
+	        &myprint('/* \'_once\' Added by ri_once */ ', 3);
+	    }
+	    &myprint(substr($phpcode, $index, 7), 1);
+	    if (!$falsematch) {
+	        &myprint('_once', 3);
+	    }
+            $lastbyte = ord('e');
+	    $phpcode = substr($phpcode, $index+7);
+	} else {
+	    &myprint($phpcode, 1);
+	    $phpcode = '';
+	}
+    }
+}
+
+# parse php block for comments and strings
+sub php {
+    while ($htmlcomment ne "") {
+	$len = length($htmlcomment);
+	$doublequote = index($htmlcomment, '"');
+	$singlequote = index($htmlcomment, "'");
+	$pound       = index($htmlcomment, '#');
+	$slashslash  = index($htmlcomment, '//');
+	$slashstar   = index($htmlcomment, '/*');
+	if ($doublequote == -1) { $doublequote = $len; }
+	if ($singlequote == -1) { $singlequote = $len; }
+	if ($pound       == -1) { $pound       = $len; }
+	if ($slashslash  == -1) { $slashslash  = $len; }
+	if ($slashstar   == -1) { $slashstar   = $len; }
+
+                                   $pos = $doublequote; $end = '"'; $sl = 1; $el = 1;
+	if ($pos > $singlequote) { $pos = $singlequote; $end = "'"; }
+	if ($pos > $pound)       { $pos = $pound;       $end = "\n"; }
+	if ($pos > $slashslash)  { $pos = $slashslash;  $end = "\n"; $sl = 2; }
+	if ($pos > $slashstar)   { $pos = $slashstar;   $end = '*/'; $sl = 2; $el = 2; }
+
+        if ($pos < $len) {
+	    $phpcode = substr($htmlcomment, 0, $pos);
+	    $rest = substr($htmlcomment, $pos);
+	    $eoc = index($rest, $end, $sl);
+	    if (($end = '"') or ($end = "'")) {
+		while (($eoc > 0) and (substr($rest, $eoc-1, 1) eq '\\')) {
+		    $eoc = index($rest, $end, $eoc+1);
+		}
+	    }
+	    if ($eoc == -1) { $eoc = length($rest); }
+	    $phpcomment = substr($rest, 0, $eoc+$el);
+	    $htmlcomment = substr($rest, $eoc+$el);
+	    &code;
+	    &myprint($phpcomment, 2);
+	} else {
+	    $phpcode = $htmlcomment;
+	    &code;
+	    $htmlcomment = '';
+	}
+    }
+}
+
+# parse html file for php blocks
+sub html {
+    while ($text ne '') {
+	$index = index($text, '<?');
+	if ($index != -1) {
+	    $html = substr($text, 0, $index+2);
+	    $text = substr($text, $index+2);
+	    &myprint($html, 0);
+	    $index = index($text, '?>');
+	    if ($index == -1) { $index = length($text); }
+	    $htmlcomment = substr($text, 0, $index);
+	    $text = substr($text, $index);
+            $type = substr($htmlcomment, 0, 3);
+            if (uc($type) eq "PHP") {
+		&myprint($type, 0);
+		$htmlcomment = substr($htmlcomment, 3);
+	    } else { if (substr($htmlcomment, 0, 1) eq '=') {
+		$mod++;
+		&myprint('php /* \'=\' Modified to \'php blah echo\'by ri_once */ echo ', 3);
+		$htmlcomment = substr($htmlcomment, 1);
+	    } else {
+		$mod++;
+		&myprint('php /* \'php\' Added by ri_once */', 3);
+	    }}
+            &php;
+	} else {
+	    &myprint($text, 0);
+	    $text ='';
+	}
+    }
+}
+
+# process a file
+sub dofile {
+    $file = $_[0];
+
+    open (FILE, '<'.$file);
+    $text = '';
+    $htmlcomment = '';
+    $phpcode = '';
+    $out = '';
+    $mod = 0;
+    while ($line = <FILE>) {
+        $text .= $line;
+    }
+    close (FILE);
+
+    &html;
+    if ($debug) {
+	&color(0);
+	print "\n";
+    } else {
+	if ($mod) {
+	    $out = "<?php /* Modified at $mod places by ri_once */ ?>\n" . $out;
+#            $mode = (stat($file))[2];
+	    rename($file, $file.'.before_ri_once');
+	    open (FILE, '>'.$file);
+	    print FILE $out;
+	    close(FILE);
+#            chmod($stats[2], $file);
+	}
+    }
+}
+
+# process a directory recursively
+sub dodir {
+    $dirname = $_[0];
+    $dirname =~ s/\/$//;
+    opendir(DIR, $dirname) or die "can't opendir $dirname: $!";
+    while (defined($file = readdir(DIR))) {
+	next if $file =~ /^\.\.?$/;
+	$full = $dirname.'/'.$file;
+	if (-d $full) {
+	    &dodir($full);
+	} else { if ($file =~ /.*\.php$/) {
+	    &dofile($full);
+	}}
+    }
+    closedir(DIR);
+}
+
+#&dofile($ARGV[0]);
+&dodir($ARGV[0]);
+