forked from pool/perl-XML-SAX
Dirk Stoecker
003b06095b
- update to 1.02
see /usr/share/doc/packages/perl-XML-SAX/Changes
1.02 14 Jun 2019 Grant McLean
- Spelling fixes (patch from Ville Skyttä)
- Add repo location to metadata (patches from Ville Skytta & Martin McGrath)
- Reorganise module files under lib/XML
- Regenerate MANIFEST using 'make manifest' to include missing test files
- Updated URL to MetaCPAN
- Rebased perl-XML-SAX-0.96-utf8.diff
OBS-URL: https://build.opensuse.org/request/show/710373
OBS-URL: https://build.opensuse.org/package/show/devel:languages:perl/perl-XML-SAX?expand=0&rev=22
58 lines
1.7 KiB
Diff
58 lines
1.7 KiB
Diff
--- lib/XML/SAX/PurePerl/Reader/Stream.pm
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+++ lib/XML/SAX/PurePerl/Reader/Stream.pm
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@@ -70,6 +70,54 @@
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my $self = shift;
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my ($encoding) = @_;
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# warn("set encoding to: $encoding\n");
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+
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+ # make sure that the buffer used to detect the encoding
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+ # does not end in the middle of a utf8 sequence
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+ if ($encoding eq 'UTF-8' &&
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+ !$self->[EOF] &&
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+ !utf8::is_utf8($self->[BUFFER]) && # make sure we do not do it twice
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+ length($self->[BUFFER]) > 5) {
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+
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+ my $x = reverse(substr($self->[BUFFER], -5));
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+ my $y = 0;
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+
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+ # skip the all the bytes at the end of buffer
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+ # starting with bits 10 (continuation bytes of utf8 sequence)
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+ while ($x ne "" && (ord($x) & 0xc0) == 0x80) {
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+ $y--;
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+ $x = substr($x, 1);
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+ }
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+
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+ # if $x is ascii character, do nothing
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+ # otherwise we must take a look how many
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+ # continuation bytes we need
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+ if ((ord($x) & 0xc0) == 0xc0) {
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+ $x = ord($x);
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+ if (($x & 0xe0) == 0xc0) { # the sequence contains one more byte
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+ $y++;
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+ } elsif (($x & 0xf0) == 0xe0) { # ...2 bytes
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+ $y += 2;
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+ } elsif (($x & 0xf8) == 0xf0) { # ...3 bytes
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+ $y += 3;
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+ } elsif (($x & 0xfc) == 0xf8) { # ...4 bytes
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+ $y += 4;
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+ } elsif (($x & 0xfe) == 0xfc) { # ...5 bytes
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+ $y += 5;
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+ }
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+
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+ # read the last sequence in the buffer completely, if needed
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+ if ($y > 0) {
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+ my $buf;
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+ my $bytesread = read($self->[FH], $buf, $y);
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+ if ($bytesread) {
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+ $self->[BUFFER] .= $buf;
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+ } elsif (defined($bytesread)) {
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+ $self->[EOF]++;
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+ }
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+ }
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+ }
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+ }
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+
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XML::SAX::PurePerl::Reader::switch_encoding_stream($self->[FH], $encoding);
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XML::SAX::PurePerl::Reader::switch_encoding_string($self->[BUFFER], $encoding);
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$self->[ENCODING] = $encoding;
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