File: escape.htm

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[- $r = shift -]
<html>
<head>
<title>Some tests for Embperl escaping</title>
</head>

<body>

Here it starts with some HTML Text<P>

First of all assign a value:
[- $a = '(this is the value in $a)' -] <BR>

Now we have some 'Umlaute':


[- $b = "$a &auml;&ouml;&uuml;???&lt;\&+  " -]
[- $id = "abcdefghijklmnopqrstuvwxyz" ; $text = "This is a text ? \& + - %21" -]

Now lets look what we are getting from this:<BR>
[+ $a +] [+ $b +]<BR>

What is the EscMode? [+ $escmode +]

Now a Url: <A HREF="http://localhost/tests?id=[+%20$id +]&text=[+$text+]">Here it goes</A>
A Tag 2:   <A HREF="http://localhost/tests?id=[+%20$id +]&text=[+$text+]" TARGET="http://localhost/tests?id=[+$id +]&text=[+$text+]">a2</A>
A Tag 3:   <A  TARGET="http://localhost/tests?id=[+$id +]&text=[+$text+]" HREF="http://localhost/tests?id=[+%20$id +]&text=[+$text+]" TARGET="http://localhost/tests?id=[+ $id +]&text=[+$text+]">a3</A>
A Tag 4:   <A TARGET="http://localhost/tests?id=[+ $id +]&text=[+$text+]" HREF="http://localhost/tests?id=[+%20$id +]&text=[+$text+]">a4</A>
A Tag 5:   <A  TARGET="http://localhost/tests?id=[+ $id +]&text=[+$text+]">a5</A>
A Tag 6:   <A>a6</A>
A Tag 7:   <A  HREF="7">x</A>
A Tag 8:   <A TARGET=8 HREF="8">x</A>
A Tag 9:   <A HREF="9" TARGET="9">x</A>
A Tag 10:  <A TARGET="10" HREF="10" TARGET="10">x</A>
A Tag 11:  <A  HREF="11"  >x</A>
A Tag 12:  <A HREF=12>x</A>
A Tag 12b: <A HREF=12b >x</A>
A Tag 13:  <A HREF="[+ "abcd"+]%20[+ "%3e" +]">x</A>
A Tag 14:  <A HREF="[+ "abcd"+]%20[+ "&gt;" +]">x</A>
FRAME:	   <FRAME SRC="http://localhost/tests?id=[+%20$id +]&text=[+$text+]"  name="%20foo">
IFRAME:    <IFRAME SRC="http://localhost/tests?id=[+%20$id +]&text=[+$text+]" name="%20foo">
EMBED:     <EMBED SRC="http://localhost/tests?id=[+%20$id +]&text=[+$text+]"  name="%20foo">
LAYER:	   <LAYER SRC="http://localhost/tests?id=[+%20$id +]&text=[+$text+]"  name="%20foo">
IMG:	   <IMG SRC="http://localhost/tests?id=[+%20$id +]&text=[+$text+]"    name="%20foo">
FORM:	   <FORM action="http://localhost/tests?id=[+%20$id +]&text=[+$text+]"    name="%20foo">

[- %A = (A => 1, B => 2) ; @A = (X, 9, Y, 8, Z, 7) -]
Hash in  A <A HREF="http://localhost/tests?[+ [ %A ] +]">
Array in A <A HREF="http://localhost/tests?[+ \@A +]">

[- %H = (A => 1, B => 2) ; @H = (X, 9, Y, 8, Z, 7) -]
Hash in  H <A HREF="http://localhost/tests?[+ \\%H +]">
Array in H <A HREF="http://localhost/tests?[+ scalar { @H } +]">


[-
%fdat = ( par1 => 1, par2 => 2 );
-]


<a href="tst.html?[+ \\%fdat +]">1</a>
<a href="tst.html?[+ scalar ({ par3 => 3, %fdat }) +]">2</a>
<a href="tst.html?[+ scalar ({ %fdat }) +]">3</a>
<a href="tst.html?[+ scalar ({ %fdat, par3 => 3 }) +]">4</a>


		
[+ $escmode = 1 +]

Now lets look what we are getting from this:<BR>
[+ $a +] [+ $b +]<BR>

What is the EscMode? [+ $escmode +]

Now a Url: <A HREF="http://localhost/tests?id=[+%20$id +]&text=[+$text+]">Here it goes</A>

[+ $escmode = 2 +]

Now lets look what we are getting from this:<BR>
[+ $a +] [+ $b +]<BR>

What is the EscMode? [+ $escmode +]

Now a Url: <A HREF="http://localhost/tests?id=[+%20$id +]&text=[+$text+]">Here it goes</A>

[+ $escmode = 0 +]

Now lets look what we are getting from this:<BR>
[+ $a +] [+ $b +]<BR>

What is the EscMode? [+ $escmode +]

Now a Url: <A HREF="http://localhost/tests?id=[+%20$id +]&text=[+$text+]">Here it goes</A>

[+ $escmode = 3 +]

Now lets look what we are getting from this:<BR>
[+ $a +] [+ $b +]<BR>

What is the EscMode? [+ $escmode +]

Now a Url: <A HREF="http://localhost/tests?id=[+%20$id +]&text=[+$text+]">Here it goes</A>

What is the EscMode? [+ $escmode +]

[!
    sub foo($)
        {
    	my @name ;
    	my @data ;
    
    	$name[0] = 'abcd' ;
    	$data[0] = 'xyz' ;
    
        my $bar = $_[0];
        return "file.html?name=$name[$bar]&data=$data[$bar]";
        }
!]


[+ foo (0) +]

Now we localy set $escmode:<BR>
[+  do { local $escmode = 0 ; $b . "  \\\\<a>" } +]<BR>
[+  do { local $escmode = 1 ; $b . "  \\\\<a>" } +]<BR>
[+  do { local $escmode = 2 ; $b . "  \\\\<a>" } +]<BR>
[+  do { local $escmode = 3 ; $b . "  \\\\<a>" } +]<BR>
[+  do { local $escmode = 4 ; $b . "  \\\\<a>" } +]<BR>
[+  do { local $escmode = 5 ; $b . "  \\\\<a>" } +]<BR>
[+  do { local $escmode = 6 ; $b . "  \\\\<a>" } +]<BR>
[+  do { local $escmode = 7 ; $b . "  \\\\<a>" } +]<BR>

Same without local:
[+  $escmode = 0 , $b . "  \\\\<a>" +]<BR>
[+  $escmode = 1 , $b . "  \\\\<a>"  +]<BR>
[+  $escmode = 2 , $b . "  \\\\<a>"  +]<BR>
[+  $escmode = 3 , $b . "  \\\\<a>"  +]<BR>
[+  $escmode = 4 , $b . "  \\\\<a>"  +]<BR>
[+  $escmode = 5 , $b . "  \\\\<a>"  +]<BR>
[+  $escmode = 6 , $b . "  \\\\<a>"  +]<BR>
[+  $escmode = 7 , $b . "  \\\\<a>"  +]<BR>


Control Chars 0x80-0x9f:
[+  do { local $escmode = 7 ; foreach (127..160) { $cc .= chr ($_) }; $cc } +]<BR>

Control Chars 129 & 130:
[+  do  { local $escmode = 7 ; "&#129;&#130;" } +]<BR>

[+ $n = 'My Name ' , $escmode = 0 +]

<A HREF='http://host/script?name=[+ $escmode=3, $n +]'>

<A HREF='http://host/script?name=[+ $n+]'>

[+ $escmode = 0 +]

<A HREF='http://host/script?name=[+ do { local $escmode=3; $n } +]'>

<A HREF='http://host/script?name=[+ $n +]'>

<br>


We can avoid interpreting [[- foo -] with a double [[[[ <br>

This should also work for [[* foo *]  <br>


<A HREF="[+ "abcd"+]%20[+ "%3e" +]">x</A>

[- $dat = [[1], [2], [3]] -]

<table>
<TR>
 <TD><a href="[+$dat-&gt;[$row][0]+]">Link</a></TD>
</TR>
</table>

<table>
<TR>
 <TD><a href="[+$dat-%3e[$row][0]+]">Link</a></TD>
</TR>
</table>

Escape method:

[- $escmode = 0 -]

0: [+ $r -> Escape($b, 0) +] 
1: [+ $r -> Escape($b, 1) +] 
2: [+ $r -> Escape($b, 2) +] 
3: [+ $r -> Escape($b, 3) +] 
4: [+ $r -> Escape($b, 4) +] 
5: [+ $r -> Escape($b, 5) +] 
6: [+ $r -> Escape($b, 6) +] 
7: [+ $r -> Escape($b, 7) +] 


<P>Ok.<P>


</body>
</html>