| 1 |
#
|
| 2 |
# PreProcessedFile.pm
|
| 3 |
#
|
| 4 |
# Originally Written by Christopher Williams
|
| 5 |
#
|
| 6 |
# Description
|
| 7 |
# -----------
|
| 8 |
# Handle Preprocessed file information
|
| 9 |
#
|
| 10 |
# Interface
|
| 11 |
# ---------
|
| 12 |
# new(cache,dbstore) : A new PreProcessedFile object
|
| 13 |
# url([url]) : return the full url. With an argument will take the given
|
| 14 |
# url and expand it in the context of the current url base.
|
| 15 |
# file() : return the filename corresponding to url of the document
|
| 16 |
# ProcessedFile() : return the filename corresponding to processed url
|
| 17 |
# of the document
|
| 18 |
# realline(number): Return the line and fileobj corresponding to number in
|
| 19 |
# processed file
|
| 20 |
# update() : update the preprocessed file as required.
|
| 21 |
# store(filename) :
|
| 22 |
# restore(filename) :
|
| 23 |
|
| 24 |
package ActiveDoc::PreProcessedFile;
|
| 25 |
use ActiveDoc::ActiveDoc;
|
| 26 |
use ActiveDoc::IncFile;
|
| 27 |
use Utilities::Verbose;
|
| 28 |
use ObjectUtilities::StorableObject;
|
| 29 |
require 5.004;
|
| 30 |
@ISA=qw(ObjectUtilities::StorableObject Utilities::Verbose);
|
| 31 |
|
| 32 |
|
| 33 |
sub new {
|
| 34 |
my $class=shift;
|
| 35 |
my $self={};
|
| 36 |
bless $self, $class;
|
| 37 |
$self->{dbstore}=shift;
|
| 38 |
$self->cache($self->{dbstore}->cache());
|
| 39 |
bless $self, $class;
|
| 40 |
return $self;
|
| 41 |
}
|
| 42 |
|
| 43 |
sub cache {
|
| 44 |
my $self=shift;
|
| 45 |
if ( @_ ) {
|
| 46 |
$self->{cache}=shift;
|
| 47 |
$self->init();
|
| 48 |
}
|
| 49 |
return $self->{cache};
|
| 50 |
}
|
| 51 |
|
| 52 |
sub init {
|
| 53 |
my $self=shift;
|
| 54 |
$self->{lastsequence}=-1;
|
| 55 |
$self->{switch}=ActiveDoc::ActiveDoc->new($self->{dbstore});
|
| 56 |
|
| 57 |
# -- Specific Tags
|
| 58 |
$self->{switch}->newparse("include");
|
| 59 |
$self->{switch}->addbasetags("include");
|
| 60 |
$self->{switch}->addtag("include","include", \&Include_Start, $self,
|
| 61 |
"", $self, "", $self);
|
| 62 |
}
|
| 63 |
|
| 64 |
sub realline {
|
| 65 |
my $self=shift;
|
| 66 |
my $origline=shift;
|
| 67 |
|
| 68 |
my $fileob=$self;
|
| 69 |
my $line=$origline;
|
| 70 |
for(my $i=0; $i<=$#{$self->{includesdesc}}; $i++ ) {
|
| 71 |
$inc=$self->{includesdesc}[$i];
|
| 72 |
$startline=$inc->startline();
|
| 73 |
last if ( $line <= $startline );
|
| 74 |
if ( $line >= ($inc->lines()+$startline+2) ) {
|
| 75 |
# take out the 2 carriage returns added
|
| 76 |
$line=$line-($inc->lines()+$startline-$inc->endline())-2;
|
| 77 |
# n lines in original map to m lines in expanded
|
| 78 |
}
|
| 79 |
else { # must be in the include file
|
| 80 |
($line, $fileob)=$self->{includes}[$i]->realline($line-$startline);
|
| 81 |
last;
|
| 82 |
}
|
| 83 |
}
|
| 84 |
|
| 85 |
return ($line, $fileob);
|
| 86 |
}
|
| 87 |
|
| 88 |
sub line {
|
| 89 |
my $self=shift;
|
| 90 |
my $line=$self->{switch}->currentparser()->line();
|
| 91 |
return $line, $self;
|
| 92 |
}
|
| 93 |
|
| 94 |
sub url {
|
| 95 |
my $self=shift;
|
| 96 |
|
| 97 |
if ( @_ ) {
|
| 98 |
my $url=shift;
|
| 99 |
($self->{url}, $file)=$self->{switch}->urlget($url);
|
| 100 |
$self->{switch}->filetoparse($file);
|
| 101 |
$self->{switch}->filenameref($self->{url}." ($file)");
|
| 102 |
}
|
| 103 |
return $self->{url};
|
| 104 |
}
|
| 105 |
|
| 106 |
sub ProcessedFile {
|
| 107 |
my $self=shift;
|
| 108 |
$self->{cache}->file("_preprocess_".$self->url());
|
| 109 |
}
|
| 110 |
|
| 111 |
sub file {
|
| 112 |
my $self=shift;
|
| 113 |
|
| 114 |
my ($url, $file)=$self->{switch}->urlget($self->url());
|
| 115 |
$self->verbose("Getting file ".$self->url()." = $file");
|
| 116 |
return $file;
|
| 117 |
}
|
| 118 |
|
| 119 |
sub ProcessFile {
|
| 120 |
my $self=shift;
|
| 121 |
return $self->file();
|
| 122 |
}
|
| 123 |
|
| 124 |
sub update {
|
| 125 |
my $self=shift;
|
| 126 |
|
| 127 |
my $rv=0;
|
| 128 |
my $outfile="_preprocess_".$self->url();
|
| 129 |
my $fileobj;
|
| 130 |
my $sn;
|
| 131 |
@{$self->{updatedfiles}}=();
|
| 132 |
|
| 133 |
# -- check the input file snd output sequence numbers are in sync
|
| 134 |
my $basefilenumber=$self->{cache}->updatenumber($self->url());
|
| 135 |
if ( $basefilenumber != $self->{lastsequence} ) {
|
| 136 |
$rv=1;
|
| 137 |
}
|
| 138 |
else {
|
| 139 |
# -- update dependencies
|
| 140 |
for (my $i=0; $i<=$#{$self->{includes}}; $i++ ) {
|
| 141 |
$fileobj=$self->{includes}[$i];
|
| 142 |
$rv=$rv+$fileobj->update(); # make sure it up to date
|
| 143 |
|
| 144 |
# -- has it changed since last time we built this object
|
| 145 |
$sn=$self->{dbstore}->sequence($fileobj->url());
|
| 146 |
if ( $self->{includesdesc}[$i]->lastsequence() != $sn ) {
|
| 147 |
$rv++;
|
| 148 |
push @{$self->{updatedfiles}},$fileobj->url(); # record for test
|
| 149 |
}
|
| 150 |
}
|
| 151 |
}
|
| 152 |
|
| 153 |
if ( $rv != 0 ) {
|
| 154 |
$self->verbose(" Need to Update ".$self->url());
|
| 155 |
# ---- sort out the preprocessed file in the cache
|
| 156 |
my $newfile=$self->{cache}->filename($outfile);
|
| 157 |
|
| 158 |
$self->process($self->{cache}->file($self->url()),$newfile);
|
| 159 |
$self->{cache}->store($outfile,$newfile);
|
| 160 |
$self->{lastsequence}=$basefilenumber;
|
| 161 |
# -- store self in the objectstore by url
|
| 162 |
$self->{dbstore}->store($self,$self->url());
|
| 163 |
}
|
| 164 |
else {
|
| 165 |
$self->verbose("No Need to Update ".$self->url());
|
| 166 |
}
|
| 167 |
return $rv;
|
| 168 |
}
|
| 169 |
|
| 170 |
sub updatedfiles {
|
| 171 |
my $self=shift;
|
| 172 |
return @{$self->{updatedfiles}};
|
| 173 |
}
|
| 174 |
|
| 175 |
sub process {
|
| 176 |
my $self=shift;
|
| 177 |
my $filein=shift;
|
| 178 |
my $fileout=shift;
|
| 179 |
|
| 180 |
# -- create a new file in the url cache
|
| 181 |
$self->_cleanup();
|
| 182 |
$self->{fileout}=FileHandle->new();
|
| 183 |
$self->{fileout}->open(">".$fileout) or die "Unable to open $newfile\n"
|
| 184 |
."$!\n";
|
| 185 |
|
| 186 |
# -- turn on the switch streamer
|
| 187 |
$self->{switch}->parse("include", $self->{fileout}, "include_starttag");
|
| 188 |
|
| 189 |
$self->{fileout}->close();
|
| 190 |
$self->verbose("$fileout Created");
|
| 191 |
}
|
| 192 |
|
| 193 |
sub store {
|
| 194 |
my $self=shift;
|
| 195 |
my $location=shift;
|
| 196 |
|
| 197 |
my $fh=$self->openfile(">".$location);
|
| 198 |
|
| 199 |
# -- get all include objects to store themselves
|
| 200 |
print $fh $self->{lastsequence}."\n";
|
| 201 |
print $fh ref($self->cache()).":::".$self->cache()->location()."\n";
|
| 202 |
print $fh ($self->url()?$self->url():"");
|
| 203 |
print $fh "\n";
|
| 204 |
foreach $inc ( @{$self->{includesdesc}} ) {
|
| 205 |
print $fh ">\n";
|
| 206 |
$inc->store($fh);
|
| 207 |
}
|
| 208 |
close $fh;
|
| 209 |
}
|
| 210 |
|
| 211 |
sub restore {
|
| 212 |
my $self=shift;
|
| 213 |
my $location=shift;
|
| 214 |
|
| 215 |
my $fh=$self->openfile("<".$location);
|
| 216 |
|
| 217 |
$self->{lastsequence}=<$fh>;
|
| 218 |
chomp $self->{lastsequence};
|
| 219 |
# -- recreate the cache
|
| 220 |
my $cacheinfo=<$fh>;
|
| 221 |
chomp $cacheinfo;
|
| 222 |
my ($type,$cachelocation)=split /:::/, $cacheinfo;
|
| 223 |
my $cache=$type->new($cachelocation);
|
| 224 |
$self->cache($cache);
|
| 225 |
|
| 226 |
my $url=<$fh>;
|
| 227 |
chomp $url;
|
| 228 |
$self->url($url);
|
| 229 |
while ( <$fh> ) {
|
| 230 |
if ( $_ eq ">\n") {
|
| 231 |
$inc=ActiveDoc::IncFile->new($self->{dbstore});
|
| 232 |
$inc->restore($fh);
|
| 233 |
push @{$self->{includesdesc}}, $inc;
|
| 234 |
# resurrect the appropriate object ID
|
| 235 |
push @{$self->{includes}}, $self->{switch}->getfile($inc->file());
|
| 236 |
}
|
| 237 |
}
|
| 238 |
$fh->close();
|
| 239 |
}
|
| 240 |
|
| 241 |
sub _cleanup {
|
| 242 |
my $self=shift;
|
| 243 |
foreach $inc ( @{$self->{includesdesc}} ) {
|
| 244 |
undef $inc;
|
| 245 |
}
|
| 246 |
undef @{$self->{includesdesc}};
|
| 247 |
undef @{$self->{includes}};
|
| 248 |
}
|
| 249 |
|
| 250 |
sub _includefile {
|
| 251 |
my $self=shift;
|
| 252 |
my $fileobj=shift;
|
| 253 |
my $startline=shift;
|
| 254 |
my $endline=shift;
|
| 255 |
my $lines=shift;
|
| 256 |
|
| 257 |
my $obj=ActiveDoc::IncFile->new();
|
| 258 |
my $url=$fileobj->url();
|
| 259 |
my $sn=$self->{dbstore}->sequence($url);
|
| 260 |
$obj->init($url,$startline,$endline,$lines, $sn);
|
| 261 |
push @{$self->{includes}}, $fileobj;
|
| 262 |
push @{$self->{includesdesc}}, $obj;
|
| 263 |
}
|
| 264 |
|
| 265 |
# ------------------------ Tag Routines -------------------------------
|
| 266 |
|
| 267 |
#
|
| 268 |
# Include tag
|
| 269 |
|
| 270 |
sub Include_Start {
|
| 271 |
my $self=shift;
|
| 272 |
my $name=shift;
|
| 273 |
my $hashref=shift;
|
| 274 |
|
| 275 |
$self->{switch}->checktag( $name,$hashref, "url");
|
| 276 |
$self->verbose("Including ".$$hashref{'url'});
|
| 277 |
my $fileObj=$self->{switch}->getfile($$hashref{'url'});
|
| 278 |
if ( defined $fileObj ) {
|
| 279 |
# dump out to our file in construction
|
| 280 |
my $fh=FileHandle->new();
|
| 281 |
my $outfilename=$fileObj->ProcessedFile();
|
| 282 |
$fh->open("<".$outfilename) or die "Unable to open $outfilename\n";
|
| 283 |
print {$self->{fileout}} "\n";# always start an include on a new line
|
| 284 |
my $linecount=0;
|
| 285 |
while ( <$fh> ) {
|
| 286 |
$linecount++;
|
| 287 |
print {$self->{fileout}} $_;
|
| 288 |
}
|
| 289 |
print {$self->{fileout}} "\n";# always end include with new line
|
| 290 |
undef $fh;
|
| 291 |
$self->_includefile($fileObj,
|
| 292 |
$self->{switch}->currentparser()->tagstartline(),
|
| 293 |
$self->{switch}->currentparser()->line(), $linecount);
|
| 294 |
}
|
| 295 |
}
|
| 296 |
|
