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#
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# Parse.pm
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#
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# Originally Written by Christopher Williams
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#
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# Description
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# -----------
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# maintain parse configurations
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#
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# Interface
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# ---------
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# new() : A new Parse object
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# addtag(name,start,text,end,$object) : Add a new tag
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# addgrouptags() : add <Group> tag functionality
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# addignoretags() : add <ignore> tag functionality
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# parse(filename,[streamhandle], [streamexcludetag]) :
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# parse the given file - turn on the stream
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# function of the switcher if a filehandle
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# supplied as a second argument
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# line() : return the current linenumber in the file
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# tagstartline() : return the linenumber of the last tag opening
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# includeparse(Parse) : include the settings from another parse object
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# tags() : return list of defined tags
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# cleartags() : clear of all tags
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# opencontext(name) : open a parse context
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# closecontext(name) : close a parse context
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# includecontext(name) : Process when in a given context
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# excludecontext(name) : No Processing when given context
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# contexttag(tagname) : Register the tagname as one able to change context
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# if not registerd - the close tag will be ignored
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# too if outside of the specified context!
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package ActiveDoc::Parse;
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require 5.004;
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use XML::Parser;
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sub new()
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{
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my $class=shift;
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$self={};
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bless $self, $class;
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my ($dataclass, $parse_style)=@_;
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$self->{xmlparser} = new XML::Parser (
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Style => $parse_style,
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ParseParamEnt => 1,
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ErrorContext => 3,
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Pkg => $dataclass);
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return $self;
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}
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sub parsefilelist()
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{
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my $self=shift;
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my ($files)=@_;
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print __PACKAGE__."::parsefilelist(): Not used?\n";
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}
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sub filehead ()
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{
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my $self=shift;
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my $data=@_;
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if (@_)
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{
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$self->{filehead}=shift;
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return;
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}
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return $self->{filehead} || "";
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}
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sub filetail ()
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{
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my $self=shift;
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if (@_)
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{
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$self->{filetail}=shift;
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return;
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}
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return $self->{filetail} || "";
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}
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sub parse()
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{
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my $self=shift;
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my ($file)=@_;
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eval
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{
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$self->{data} = $self->{xmlparser}->parse($self->getfilestring_($file));
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};
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if ($@)
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{
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print STDERR "**** ERROR: Failed parsing file: $file\n$@\n";
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}
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return $self;
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}
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sub getfilestring_()
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{
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my $self=shift;
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my ($file)=@_;
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my $filestring="";
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my $read=0;
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if (($file!~/\.xml$/) && ($file!~/\/\.SCRAM\/InstalledTools\/[^\/]+$/))
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{
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eval("use SCRAM::Doc2XML");
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if (!$@)
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{
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my $xmlconvertor = SCRAM::Doc2XML->new();
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my $xml=$xmlconvertor->convert($file);
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$filestring = join("",@$xml);
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$xmlconvertor->clean();
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$read=1;
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}
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}
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if (!$read)
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{
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open (IN, "< $file") or die __PACKAGE__.": Cannot read file $file: $!\n";
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$filestring = join("", <IN>);
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close (IN) or die __PACKAGE__.": Cannot read file $file: $!\n";
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}
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$filestring = $self->filehead().$filestring.$self->filetail();
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# Strip spaces at the beginning and end of the line:
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$filestring =~ s/^\s+//g;
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$filestring =~ s/\s+$//g;
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# Finally strip the newlines:
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#$filestring =~ s/\n//g;
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# Strip out spaces in between tags:
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#$filestring =~ s/>\s+</></g;
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$self->{filestring}=$filestring;
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return $filestring;
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}
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sub data()
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{
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my $self=shift;
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return $self->{data}->[0];
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}
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sub includeparse
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{
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my $self=shift;
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my $obj=shift;
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my $tag;
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# copy the tags from the remote parse object
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foreach $tag ( $obj->tags() )
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{
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$self->addtag($tag,$obj->{tags}->tagsettings($tag));
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}
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}
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sub addtag
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{
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my $self=shift;
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$self->{tags}->addtag(@_);
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}
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1;
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