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# -*- Perl -*- |
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package SGML::DTDParse::Catalog; |
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use strict; |
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use vars qw($VERSION $CVS); |
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3418
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$VERSION = do { my @r=(q$Revision: 2.1 $=~/\d+/g); sprintf "%d."."%03d"x$#r,@r }; |
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$CVS = '$Id: Catalog.pm,v 2.1 2005/07/02 23:51:18 ehood Exp $ '; |
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sub new { |
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my $type = shift; |
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my %param = @_; |
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my $class = ref($type) || $type; |
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my $self = bless {}, $class; |
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$self->{'DIRECTIVE'} = []; |
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$self->{'FILES'} = {}; |
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$self->{'VERBOSE'} = $param{'Verbose'} || $param{'Debug'}; |
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$self->{'DEBUG'} = $param{'Debug'}; |
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my $catfiles = $main::ENV{'SGML_CATALOG_FILES'}; |
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my @files = (); |
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if ($catfiles =~ /;/) { |
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@files = split(/;/, $catfiles); |
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} else { |
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@files = split(/:/, $catfiles); |
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} |
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foreach my $file (@files) { |
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$self->parse($file); |
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} |
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return $self; |
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} |
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sub verbose { |
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my $self = shift; |
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my $val = shift; |
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my $verb = $self->{'VERBOSE'}; |
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$self->{'VERBOSE'} = $val if defined($val); |
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return $verb; |
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} |
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sub debug { |
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my $self = shift; |
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my $val = shift; |
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my $dbg = $self->{'DEBUG'}; |
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$self->{'DEBUG'} = $val if defined($val); |
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return $dbg; |
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} |
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58
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sub parse { |
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my $self = shift; |
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my $file = shift; |
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62
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return 2 if $self->{'FILES'}->{$file}; |
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64
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$self->{'FILES'}->{$file} = 1; |
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66
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return $self->load_catalog($file); |
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} |
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69
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sub _find { |
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my $self = shift; |
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my $type = shift; |
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my $key = shift; |
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74
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foreach my $dir (@{$self->{'DIRECTIVE'}}) { |
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75
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my %hash = %{$dir}; |
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76
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return $hash{'FILE'} if $hash{'TYPE'} = $type && $hash{$type} eq $key; |
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} |
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return undef; |
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} |
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82
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sub system_map { |
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my($self, $sysid) = @_; |
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85
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return $self->_find('SYSID', $sysid) || $sysid; |
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} |
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88
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sub public_map { |
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my($self, $pubid) = @_; |
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91
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$pubid =~ s/\s+/ /g; |
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return $self->_find('PUBID', $pubid); |
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} |
94
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95
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sub reverse_public_map { |
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my($self, $filename) = @_; |
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98
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$filename =~ s/\\/\//g; # canonical path separator |
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100
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0
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foreach my $dir (@{$self->{'DIRECTIVE'}}) { |
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101
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my %hash = %{$dir}; |
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102
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my $key = $hash{'TYPE'}; |
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next if $key ne 'PUBID'; |
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105
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# print "$key\n"; |
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# print $hash{$key}, "\n"; |
107
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# print $hash{'FILE'}, "\n"; |
108
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# print "\t$filename\n\n"; |
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110
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return $hash{$key} if $hash{'FILE'} eq $filename; |
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} |
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113
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0
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return undef; |
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} |
115
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116
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sub declaration { |
117
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my($self, $pubid) = @_; |
118
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119
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$pubid =~ s/\s+/ /g; |
120
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foreach my $dir (@{$self->{'DIRECTIVE'}}) { |
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121
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my %hash = %{$dir}; |
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122
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123
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0
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return $hash{'FILE'} |
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if $hash{'TYPE'} eq 'DTDDECL' && $hash{'DTDDECL'} eq $pubid; |
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126
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0
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return $hash{'FILE'} |
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if $hash{'TYPE'} eq 'SGMLDECL'; |
128
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} |
129
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130
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0
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return undef; |
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} |
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133
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sub load_catalog { |
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my $self = shift; |
135
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my $catalog = shift; |
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my $drive = ""; |
137
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my $dir = ""; |
138
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my @directives = (); |
139
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0
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my $count = 0; |
140
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0
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local (*F, $_); |
141
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142
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print "Reading $catalog...\n" if $self->verbose(); |
143
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144
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$catalog =~ s/\\/\//g; # canonical path separators |
145
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$dir = $1 if $catalog =~ /^(.*)\/[^\/]+$/; |
146
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$drive = substr($dir, 0, 2) if substr($dir, 1, 1) eq ':'; |
147
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148
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0
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if (!open(F, $catalog)) { |
149
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print "Failed to open $catalog...\n" if $self->verbose(); |
150
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return; |
151
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} |
152
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153
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0
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read (F, $_, -s $catalog); |
154
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close (F); |
155
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156
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0
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while (/^\s*(\S+)/s) { |
157
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my $keyword = uc($1); |
158
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$_ = $'; |
159
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160
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0
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0
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if ($keyword eq 'OVERRIDE') { |
161
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$_ =~ /^\s*\S+/s; |
162
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0
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$_ = $'; |
163
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0
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next; |
164
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} |
165
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166
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0
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0
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if ($keyword eq 'PUBLIC') { |
167
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my($pubid, $filename); |
168
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0
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0
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if (/^\s*[\"\']/s) { |
169
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($pubid, $_) = &parse_quoted_string("CATALOG", $_); |
170
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} else { |
171
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0
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/^\s*(\S+)/s; |
172
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0
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$pubid = $1; |
173
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$_ = $'; |
174
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} |
175
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176
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0
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0
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if (/^\s*[\"\']/s) { |
177
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0
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($filename, $_) = &parse_quoted_string("CATALOG", $_); |
178
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} else { |
179
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0
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/^\s*(\S+)/s; |
180
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0
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$filename = $1; |
181
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0
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$_ = $'; |
182
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} |
183
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184
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0
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0
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if ($filename =~ /^[a-z]:/s) { |
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0
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185
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# nop |
186
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} elsif ($filename =~ /^[\\\/]/) { |
187
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$filename = $drive . $filename; |
188
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} else { |
189
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0
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0
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$filename = $dir . "/" . $filename if $dir ne ""; |
190
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} |
191
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192
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0
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$directives[$count] = {}; |
193
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0
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$directives[$count]->{'TYPE'} = 'PUBID'; |
194
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0
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$directives[$count]->{'PUBID'} = $pubid; |
195
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0
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$directives[$count]->{'FILE'} = $filename; |
196
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0
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$count++; |
197
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198
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# print "\"$pubid\" = \"$filename\"\n"; |
199
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200
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0
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next; |
201
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} |
202
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203
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0
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0
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if ($keyword eq 'SYSTEM') { |
204
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0
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my($sysid, $filename); |
205
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0
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0
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if (/^\s*[\"\']/s) { |
206
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0
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($sysid, $_) = &parse_quoted_string("CATALOG", $_); |
207
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} else { |
208
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0
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/^\s*(\S+)/s; |
209
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0
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$sysid = $1; |
210
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0
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$_ = $'; |
211
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} |
212
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213
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0
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0
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if (/^\s*[\"\']/s) { |
214
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0
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($filename, $_) = &parse_quoted_string("CATALOG", $_); |
215
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} else { |
216
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0
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/^\s*(\S+)/s; |
217
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0
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$filename = $1; |
218
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0
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$_ = $'; |
219
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} |
220
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|
|
|
221
|
0
|
0
|
|
|
|
|
if ($filename =~ /^[a-z]:/s) { |
|
|
0
|
|
|
|
|
|
222
|
|
|
|
|
|
|
# nop |
223
|
|
|
|
|
|
|
} elsif ($filename =~ /^[\\\/]/) { |
224
|
0
|
|
|
|
|
|
$filename = $drive . $filename; |
225
|
|
|
|
|
|
|
} else { |
226
|
0
|
0
|
|
|
|
|
$filename = $dir . "/" . $filename if $dir ne ""; |
227
|
|
|
|
|
|
|
} |
228
|
|
|
|
|
|
|
|
229
|
0
|
|
|
|
|
|
$directives[$count] = {}; |
230
|
0
|
|
|
|
|
|
$directives[$count]->{'TYPE'} = 'SYSID'; |
231
|
0
|
|
|
|
|
|
$directives[$count]->{'SYSID'} = $sysid; |
232
|
0
|
|
|
|
|
|
$directives[$count]->{'FILE'} = $filename; |
233
|
0
|
|
|
|
|
|
$count++; |
234
|
|
|
|
|
|
|
|
235
|
0
|
|
|
|
|
|
next; |
236
|
|
|
|
|
|
|
} |
237
|
|
|
|
|
|
|
|
238
|
0
|
0
|
|
|
|
|
if ($keyword eq 'DTDDECL') { |
239
|
0
|
|
|
|
|
|
my($pubid, $filename); |
240
|
0
|
0
|
|
|
|
|
if (/^\s*[\"\']/s) { |
241
|
0
|
|
|
|
|
|
($pubid, $_) = &parse_quoted_string("CATALOG", $_); |
242
|
|
|
|
|
|
|
} else { |
243
|
0
|
|
|
|
|
|
/^\s*(\S+)/s; |
244
|
0
|
|
|
|
|
|
$pubid = $1; |
245
|
0
|
|
|
|
|
|
$_ = $'; |
246
|
|
|
|
|
|
|
} |
247
|
|
|
|
|
|
|
|
248
|
0
|
0
|
|
|
|
|
if (/^\s*[\"\']/s) { |
249
|
0
|
|
|
|
|
|
($filename, $_) = &parse_quoted_string("CATALOG", $_); |
250
|
|
|
|
|
|
|
} else { |
251
|
0
|
|
|
|
|
|
/^\s*(\S+)/s; |
252
|
0
|
|
|
|
|
|
$filename = $1; |
253
|
0
|
|
|
|
|
|
$_ = $'; |
254
|
|
|
|
|
|
|
} |
255
|
|
|
|
|
|
|
|
256
|
0
|
0
|
|
|
|
|
if ($filename =~ /^[a-z]:/s) { |
|
|
0
|
|
|
|
|
|
257
|
|
|
|
|
|
|
# nop |
258
|
|
|
|
|
|
|
} elsif ($filename =~ /^[\\\/]/) { |
259
|
0
|
|
|
|
|
|
$filename = $drive . $filename; |
260
|
|
|
|
|
|
|
} else { |
261
|
0
|
0
|
|
|
|
|
$filename = $dir . "/" . $filename if $dir ne ""; |
262
|
|
|
|
|
|
|
} |
263
|
|
|
|
|
|
|
|
264
|
0
|
|
|
|
|
|
$directives[$count] = {}; |
265
|
0
|
|
|
|
|
|
$directives[$count]->{'TYPE'} = 'DTDDECL'; |
266
|
0
|
|
|
|
|
|
$directives[$count]->{'DTDDECL'} = $pubid; |
267
|
0
|
|
|
|
|
|
$directives[$count]->{'FILE'} = $filename; |
268
|
0
|
|
|
|
|
|
$count++; |
269
|
|
|
|
|
|
|
|
270
|
0
|
|
|
|
|
|
next; |
271
|
|
|
|
|
|
|
} |
272
|
|
|
|
|
|
|
|
273
|
0
|
0
|
|
|
|
|
if ($keyword eq 'SGMLDECL') { |
274
|
0
|
|
|
|
|
|
my($filename); |
275
|
|
|
|
|
|
|
|
276
|
0
|
0
|
|
|
|
|
if (/^\s*[\"\']/s) { |
277
|
0
|
|
|
|
|
|
($filename, $_) = &parse_quoted_string("CATALOG", $_); |
278
|
|
|
|
|
|
|
} else { |
279
|
0
|
|
|
|
|
|
/^\s*(\S+)/s; |
280
|
0
|
|
|
|
|
|
$filename = $1; |
281
|
0
|
|
|
|
|
|
$_ = $'; |
282
|
|
|
|
|
|
|
} |
283
|
|
|
|
|
|
|
|
284
|
0
|
0
|
|
|
|
|
if ($filename =~ /^[a-z]:/s) { |
|
|
0
|
|
|
|
|
|
285
|
|
|
|
|
|
|
# nop |
286
|
|
|
|
|
|
|
} elsif ($filename =~ /^[\\\/]/) { |
287
|
0
|
|
|
|
|
|
$filename = $drive . $filename; |
288
|
|
|
|
|
|
|
} else { |
289
|
0
|
0
|
|
|
|
|
$filename = $dir . "/" . $filename if $dir ne ""; |
290
|
|
|
|
|
|
|
} |
291
|
|
|
|
|
|
|
|
292
|
0
|
|
|
|
|
|
$directives[$count] = {}; |
293
|
0
|
|
|
|
|
|
$directives[$count]->{'TYPE'} = 'SGMLDECL'; |
294
|
0
|
|
|
|
|
|
$directives[$count]->{'SGMLDECL'} = 'SGMLDECL'; |
295
|
0
|
|
|
|
|
|
$directives[$count]->{'FILE'} = $filename; |
296
|
0
|
|
|
|
|
|
$count++; |
297
|
|
|
|
|
|
|
|
298
|
0
|
|
|
|
|
|
next; |
299
|
|
|
|
|
|
|
} |
300
|
|
|
|
|
|
|
|
301
|
0
|
0
|
|
|
|
|
if ($keyword eq 'DOCTYPE') { |
302
|
0
|
|
|
|
|
|
my($tag, $filename); |
303
|
0
|
0
|
|
|
|
|
if (/^\s*[\"\']/s) { |
304
|
0
|
|
|
|
|
|
($tag, $_) = &parse_quoted_string("CATALOG", $_); |
305
|
|
|
|
|
|
|
} else { |
306
|
0
|
|
|
|
|
|
/^\s*(\S+)/s; |
307
|
0
|
|
|
|
|
|
$tag = $1; |
308
|
0
|
|
|
|
|
|
$_ = $'; |
309
|
|
|
|
|
|
|
} |
310
|
|
|
|
|
|
|
|
311
|
0
|
0
|
|
|
|
|
if (/^\s*[\"\']/s) { |
312
|
0
|
|
|
|
|
|
($filename, $_) = &parse_quoted_string("CATALOG", $_); |
313
|
|
|
|
|
|
|
} else { |
314
|
0
|
|
|
|
|
|
/^\s*(\S+)/s; |
315
|
0
|
|
|
|
|
|
$filename = $1; |
316
|
0
|
|
|
|
|
|
$_ = $'; |
317
|
|
|
|
|
|
|
} |
318
|
|
|
|
|
|
|
|
319
|
0
|
0
|
|
|
|
|
if ($filename =~ /^[a-z]:/s) { |
|
|
0
|
|
|
|
|
|
320
|
|
|
|
|
|
|
# nop |
321
|
|
|
|
|
|
|
} elsif ($filename =~ /^[\\\/]/) { |
322
|
0
|
|
|
|
|
|
$filename = $drive . $filename; |
323
|
|
|
|
|
|
|
} else { |
324
|
0
|
0
|
|
|
|
|
$filename = $dir . "/" . $filename if $dir ne ""; |
325
|
|
|
|
|
|
|
} |
326
|
|
|
|
|
|
|
|
327
|
|
|
|
|
|
|
# nop... |
328
|
0
|
|
|
|
|
|
next; |
329
|
|
|
|
|
|
|
} |
330
|
|
|
|
|
|
|
|
331
|
0
|
0
|
|
|
|
|
if ($keyword =~ /^\-\-/) { |
332
|
0
|
|
|
|
|
|
$_ = $keyword . $_; |
333
|
0
|
|
|
|
|
|
/^--.*?--/s; |
334
|
0
|
|
|
|
|
|
$_ = $'; |
335
|
0
|
|
|
|
|
|
next; |
336
|
|
|
|
|
|
|
} |
337
|
|
|
|
|
|
|
|
338
|
0
|
|
|
|
|
|
die "Don't know how to parse CATALOG keyword: $keyword\n"; |
339
|
|
|
|
|
|
|
} |
340
|
|
|
|
|
|
|
|
341
|
|
|
|
|
|
|
# now populate the real array; making sure that SGMLDECL goes to |
342
|
|
|
|
|
|
|
# the end of the array |
343
|
|
|
|
|
|
|
|
344
|
0
|
|
|
|
|
|
foreach my $dir (@directives) { |
345
|
0
|
|
|
|
|
|
my %hash = %{$dir}; |
|
0
|
|
|
|
|
|
|
346
|
0
|
0
|
|
|
|
|
next if $hash{'TYPE'} eq 'SGMLDECL'; |
347
|
0
|
|
|
|
|
|
push(@{$self->{'DIRECTIVE'}}, $dir); |
|
0
|
|
|
|
|
|
|
348
|
|
|
|
|
|
|
} |
349
|
|
|
|
|
|
|
|
350
|
0
|
|
|
|
|
|
foreach my $dir (@directives) { |
351
|
0
|
|
|
|
|
|
my %hash = %{$dir}; |
|
0
|
|
|
|
|
|
|
352
|
0
|
0
|
|
|
|
|
next if $hash{'TYPE'} ne 'SGMLDECL'; |
353
|
0
|
|
|
|
|
|
push(@{$self->{'DIRECTIVE'}}, $dir); |
|
0
|
|
|
|
|
|
|
354
|
|
|
|
|
|
|
} |
355
|
|
|
|
|
|
|
|
356
|
0
|
|
|
|
|
|
return 1; |
357
|
|
|
|
|
|
|
} |
358
|
|
|
|
|
|
|
|
359
|
|
|
|
|
|
|
sub strip_comment { |
360
|
0
|
|
|
0
|
0
|
|
my($text) = shift; |
361
|
0
|
|
|
|
|
|
while ($text =~ /^\s*--.*?--/s) { |
362
|
0
|
|
|
|
|
|
$text = $'; |
363
|
|
|
|
|
|
|
} |
364
|
0
|
|
|
|
|
|
return $text; |
365
|
|
|
|
|
|
|
} |
366
|
|
|
|
|
|
|
|
367
|
|
|
|
|
|
|
sub parse_quoted_string { |
368
|
0
|
|
|
0
|
0
|
|
my($decl, $entity) = @_; |
369
|
0
|
|
|
|
|
|
my($text); |
370
|
|
|
|
|
|
|
|
371
|
0
|
0
|
|
|
|
|
if ($entity =~ /^\s*\"/s) { |
|
|
0
|
|
|
|
|
|
372
|
0
|
0
|
|
|
|
|
die "Unparseable text: $decl\n" if $entity !~ /^\s*\"(.*?)\"/s; |
373
|
0
|
|
|
|
|
|
$text = $1; |
374
|
0
|
|
|
|
|
|
$entity = &strip_comment($'); |
375
|
|
|
|
|
|
|
} elsif ($entity =~ /^\s*\'/s) { |
376
|
0
|
0
|
|
|
|
|
die "Unparseable text: $decl\n" if $entity !~ /^\s*\'(.*?)\'/s; |
377
|
0
|
|
|
|
|
|
$text = $1; |
378
|
0
|
|
|
|
|
|
$entity = &strip_comment($'); |
379
|
|
|
|
|
|
|
} else { |
380
|
0
|
|
|
|
|
|
die "Unexpected text: $decl\n"; |
381
|
|
|
|
|
|
|
} |
382
|
|
|
|
|
|
|
|
383
|
0
|
|
|
|
|
|
return ($text, $entity); |
384
|
|
|
|
|
|
|
} |
385
|
|
|
|
|
|
|
|
386
|
|
|
|
|
|
|
1; |