Initial Commit

database/perl/lib/Archive/Zip/NewFileMember.pm

@@ -0,0 +1,77 @@
+package Archive::Zip::NewFileMember;
+
+use strict;
+use vars qw( $VERSION @ISA );
+
+BEGIN {
+    $VERSION = '1.68';
+    @ISA     = qw ( Archive::Zip::FileMember );
+}
+
+use Archive::Zip qw(
+  :CONSTANTS
+  :ERROR_CODES
+  :UTILITY_METHODS
+);
+
+# Given a file name, set up for eventual writing.
+sub _newFromFileNamed {
+    my $class    = shift;
+    my $fileName = shift;    # local FS format
+    my $newName  = shift;
+    $newName = _asZipDirName($fileName) unless defined($newName);
+    return undef unless (stat($fileName) && -r _ && !-d _ );
+    my $self = $class->new(@_);
+    $self->{'fileName'}          = $newName;
+    $self->{'externalFileName'}  = $fileName;
+    $self->{'compressionMethod'} = COMPRESSION_STORED;
+    my @stat = stat(_);
+    $self->{'compressedSize'} = $self->{'uncompressedSize'} = $stat[7];
+    $self->desiredCompressionMethod(
+        ($self->compressedSize() > 0)
+        ? COMPRESSION_DEFLATED
+        : COMPRESSION_STORED
+    );
+    $self->unixFileAttributes($stat[2]);
+    $self->setLastModFileDateTimeFromUnix($stat[9]);
+    $self->isTextFile(-T _ );
+    return $self;
+}
+
+sub rewindData {
+    my $self = shift;
+
+    my $status = $self->SUPER::rewindData(@_);
+    return $status unless $status == AZ_OK;
+
+    return AZ_IO_ERROR unless $self->fh();
+    $self->fh()->clearerr();
+    $self->fh()->seek(0, IO::Seekable::SEEK_SET)
+      or return _ioError("rewinding", $self->externalFileName());
+    return AZ_OK;
+}
+
+# Return bytes read. Note that first parameter is a ref to a buffer.
+# my $data;
+# my ( $bytesRead, $status) = $self->readRawChunk( \$data, $chunkSize );
+sub _readRawChunk {
+    my ($self, $dataRef, $chunkSize) = @_;
+    return (0, AZ_OK) unless $chunkSize;
+    my $bytesRead = $self->fh()->read($$dataRef, $chunkSize)
+      or return (0, _ioError("reading data"));
+    return ($bytesRead, AZ_OK);
+}
+
+# If I already exist, extraction is a no-op.
+sub extractToFileNamed {
+    my $self = shift;
+    my $name = shift;    # local FS name
+    if (File::Spec->rel2abs($name) eq
+        File::Spec->rel2abs($self->externalFileName()) and -r $name) {
+        return AZ_OK;
+    } else {
+        return $self->SUPER::extractToFileNamed($name, @_);
+    }
+}
+
+1;