Revision 29379d95
Von Sven Schöling vor mehr als 11 Jahren hinzugefügt
| SL/Template/Plugin/JavaScript.pm | ||
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# public interface |
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# |
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# see ecmascript spec section 7.8.4 |
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my @escape_chars = ('\\', '\'', '"');
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my %control_chars = ( |
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"\n" => 'n', |
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"\t" => 't', |
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"\r" => 'r', |
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"\f" => 'f', |
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"\x08" => 'b', |
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"\x0B" => 'v', # noone uses vertical tab anyway... |
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); |
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my $re = join '', map { qr/($_)/s } join '|', keys(%control_chars), map { "\Q$_\E" } @escape_chars;
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sub escape {
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my $self = shift; |
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my $text = shift; |
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$text =~ s|\\|\\\\|g; |
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$text =~ s|\"|\\\"|g; |
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$text =~ s|\n|\\n|g; |
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$text =~ s/$re/'\\' . ($control_chars{$1} || $1)/egs;
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return $text; |
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} |
Auch abrufbar als: Unified diff
Javascript escape nach Ecmascript Spec.
Es gab einen Eckfall mit CR wo das kaputt gegangen ist, Spec kennt
noch als weitere Randfälle TAB, VT, ' und BS