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# |
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# Description |
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# ----------- |
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< |
# Simple multi parsing functionality |
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> |
# Simple multi parsing functionality and group manipulation |
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# |
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# Interface |
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# --------- |
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# new() : A new ActiveDoc object |
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# new([DocVersionTag]) : A new ActiveDoc object. You can also |
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# specify an alternative doc version tag |
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# filetoparse([filename]) : Set/Return the filename of document |
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# newparse(parselabel) : Create a new parse type |
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# parse(parselabel) : Parse the document file for the given parse level |
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# addtag(parselabel,tagname,start,obj,text,obj,end,obj) : |
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# addtag(parselabel,tagname,start,obj,[text,obj,end,obj]) : |
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# Add tags to the parse given by label |
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# grouptag(tagname, parselabel) : Allow a tag to switch context |
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# - if not you can never turn a context off! |
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# checktag(tagname, hashref, param) : check for existence of param in |
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# hashref from a tag call |
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# includeparse(local_parsename, objparsename, activedoc) : copy the parse from |
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# |
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# addignoretags(parsename) : add <ignore> </igonore> tags funtionality to the |
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# specified parse |
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# opengroup(name) : declare a group to be open |
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# closegroup(name) : declare a group to be closed |
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# allowgroup(name,parse) : allow a group so named |
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# disallowgroup(name,parse) : disallow the named group |
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# restoregroup(name,parse) : restore group access setting (that before last change) |
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# doctype() : return the (type,version) of the document |
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# as specified by the DocVersionTag |
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# filenameref(string) : A string to refer to the file in parse error messages |
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# etc. Default is filetoparse |
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# --------------- Error handling routines --------------- |
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# verbose(string) : Print string in verbosity mode |
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# verbosity(0|1) : verbosity off|on |
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my $class=shift; |
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$self={}; |
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bless $self, $class; |
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$self->verbose("New SimpleDoc (".ref($self).") Created"); |
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$self->init(@_); |
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> |
$self->_initdoc("doc",@_); |
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return $self; |
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} |
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|
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sub init { |
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# dummy to be overridden by inheriting class |
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> |
sub doctype { |
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> |
my $self=shift; |
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my $rv=1; |
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> |
|
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> |
undef $self->{docversion}; |
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> |
undef $self->{doctype}; |
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> |
$self->parse("doc"); |
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> |
return ($self->{doctype},$self->{docversion}); |
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} |
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> |
|
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> |
sub filenameref { |
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my $self=shift; |
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if ( @_ ) { |
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> |
$self->{filenameref}=shift; |
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> |
} |
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> |
return (defined $self->{filenameref})?$self->{filenameref} |
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:$self->filetoparse(); |
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} |
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> |
|
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> |
sub _initdoc { |
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my $self=shift; |
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my $parsename=shift; |
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> |
|
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> |
$self->{doctag}="DOC"; |
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> |
if ( @_ ) { |
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> |
$self->{doctag}=shift; |
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} |
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> |
$self->newparse($parsename); |
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$self->addtag($parsename,$self->{doctag},\&Doc_Start, $self); |
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} |
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|
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sub verbosity { |
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$parselabel=shift; |
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|
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my $file=$self->filetoparse(); |
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< |
if ( $file ) { |
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> |
if ( -f $file ) { |
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if ( exists $self->{parsers}{$parselabel} ) { |
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$self->verbose("Parsing $parselabel in file $file"); |
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$self->{currentparsename}=$parselabel; |
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} |
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} |
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else { |
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$self->error("Cannot parse $parselabel - file not known"); |
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> |
$self->error("Cannot parse \"$parselabel\" - file $file not known"); |
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} |
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} |
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|
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sub addtag { |
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my $self=shift; |
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my $parselabel=shift; |
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< |
if ( $#_ != 6 ) { |
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> |
if ( ( $#_ != 6 ) && ( $#_ != 2) ) { |
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$self->error("Incorrect addtags specification\n". |
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"called with :\n@_ \n"); |
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} |
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} |
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return $self->{filename}; |
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} |
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+ |
# --------- Group services |
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+ |
sub grouptag { |
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my $self=shift; |
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+ |
my $name=shift; |
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my $parselabel=shift; |
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+ |
|
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$self->{parsers}{$parselabel}->contexttag($name); |
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} |
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|
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sub opengroup { |
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my $self=shift; |
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my $name=shift; |
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|
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+ |
if ( defined $self->currentparser ) { |
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$self->currentparser()->opencontext($name); |
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} |
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+ |
else { |
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+ |
$self->error("Cannot Call opengroup outside of a parse (". |
| 216 |
+ |
caller().")"); |
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+ |
} |
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} |
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+ |
|
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+ |
sub closegroup { |
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+ |
my $self=shift; |
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+ |
my $name=shift; |
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+ |
|
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+ |
if ( defined $self->currentparser ) { |
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+ |
$self->currentparser()->closecontext($name); |
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} |
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else { |
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+ |
$self->error("Cannot Call closegroup outside of a parse (". |
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+ |
caller().")"); |
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+ |
} |
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} |
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+ |
|
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+ |
sub allowgroup { |
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+ |
my $self=shift; |
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+ |
my $name=shift; |
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+ |
my $parselabel=shift; |
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+ |
|
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+ |
$self->{parsers}{$parselabel}->includecontext($name); |
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+ |
} |
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+ |
|
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+ |
sub disallowgroup { |
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+ |
my $self=shift; |
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+ |
my $name=shift; |
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+ |
my $parselabel=shift; |
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+ |
|
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$self->{parsers}{$parselabel}->excludecontext($name); |
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} |
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|
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# -------- Error Handling and Error services -------------- |
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|
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my $string=shift; |
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|
| 262 |
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if ( $self->currentparsename() eq "" ) { |
| 263 |
< |
$self->error($string); |
| 263 |
> |
$self->error("Error In file ".$self->filenameref."\n".$string); |
| 264 |
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} |
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else { |
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$line=$self->line(); |
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< |
print "Parse Error in ".$self->filetoparse().", line ". |
| 267 |
> |
print "Parse Error in ".$self->filenameref().", line ". |
| 268 |
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$line."\n"; |
| 269 |
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print $string."\n"; |
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exit; |
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return $self->{currentparser}->tagstartline(); |
| 293 |
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} |
| 294 |
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|
| 295 |
+ |
# -- tag routines |
| 296 |
+ |
sub Doc_Start { |
| 297 |
+ |
my $self=shift; |
| 298 |
+ |
my $name=shift; |
| 299 |
+ |
my $hashref=shift; |
| 300 |
+ |
|
| 301 |
+ |
$self->checktag($name, $hashref, "type"); |
| 302 |
+ |
$self->checktag($name, $hashref, "version"); |
| 303 |
+ |
|
| 304 |
+ |
$self->{doctype}=$$hashref{'type'}; |
| 305 |
+ |
$self->{docversion}=$$hashref{'version'}; |
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+ |
} |
