mirror of
https://github.com/ddnet/ddnet.git
synced 2024-11-10 10:08:18 +00:00
413 lines
11 KiB
Perl
413 lines
11 KiB
Perl
###############################################################################
|
|
#
|
|
# Class: NaturalDocs::ClassHierarchy::Class
|
|
#
|
|
###############################################################################
|
|
#
|
|
# An object that stores information about a class in the hierarchy. It does not store its <SymbolString>; it assumes that it will
|
|
# be stored in a hashref where the key is the <SymbolString>.
|
|
#
|
|
###############################################################################
|
|
|
|
# This file is part of Natural Docs, which is Copyright (C) 2003-2008 Greg Valure
|
|
# Natural Docs is licensed under the GPL
|
|
|
|
use strict;
|
|
use integer;
|
|
|
|
package NaturalDocs::ClassHierarchy::Class;
|
|
|
|
|
|
#
|
|
# Constants: Members
|
|
#
|
|
# The class is implemented as a blessed arrayref. The keys are the constants below.
|
|
#
|
|
# DEFINITIONS - An existence hashref of all the <FileNames> which define this class. Undef if none.
|
|
# PARENTS - An existence hashref of the <SymbolStrings> of all the parents this class has.
|
|
# CHILDREN - An existence hashref of the <SymbolStrings> of all the children this class has.
|
|
# PARENT_REFERENCES - A hashref of the parent <ReferenceStrings> this class has. The keys are the <ReferenceStrings>,
|
|
# and the values are existence hashrefs of all the <FileNames> that define them. Undef if none.
|
|
#
|
|
use NaturalDocs::DefineMembers 'DEFINITIONS', 'PARENTS', 'CHILDREN', 'PARENT_REFERENCES';
|
|
# Dependency: New() depends on the order of these constants, as well as the class not being derived from any other.
|
|
|
|
|
|
###############################################################################
|
|
# Group: Modification Functions
|
|
|
|
|
|
#
|
|
# Function: New
|
|
#
|
|
# Creates and returns a new class.
|
|
#
|
|
sub New
|
|
{
|
|
# Dependency: This function depends on the order of the constants, as well as the class not being derived from any other.
|
|
my ($package, $definitionFile) = @_;
|
|
|
|
my $object = [ undef, undef, undef, undef ];
|
|
bless $object, $package;
|
|
|
|
return $object;
|
|
};
|
|
|
|
|
|
#
|
|
# Function: AddDefinition
|
|
#
|
|
# Adds a rew definition of this class and returns if that was the first definition.
|
|
#
|
|
# Parameters:
|
|
#
|
|
# file - The <FileName> the definition appears in.
|
|
#
|
|
# Returns:
|
|
#
|
|
# Whether this was the first definition of this class.
|
|
#
|
|
sub AddDefinition #(file)
|
|
{
|
|
my ($self, $file) = @_;
|
|
|
|
my $wasFirst;
|
|
|
|
if (!defined $self->[DEFINITIONS])
|
|
{
|
|
$self->[DEFINITIONS] = { };
|
|
$wasFirst = 1;
|
|
};
|
|
|
|
$self->[DEFINITIONS]->{$file} = 1;
|
|
|
|
return $wasFirst;
|
|
};
|
|
|
|
|
|
#
|
|
# Function: DeleteDefinition
|
|
#
|
|
# Removes the definition of this class and returns if there are no more definitions. Note that if there are no more
|
|
# definitions, you may still want to keep the object around if <HasChildren()> returns true.
|
|
#
|
|
# Parameters:
|
|
#
|
|
# file - The <FileName> the definition appears in.
|
|
#
|
|
# Returns:
|
|
#
|
|
# Whether this deleted the last definition of this class.
|
|
#
|
|
sub DeleteDefinition #(file)
|
|
{
|
|
my ($self, $file) = @_;
|
|
|
|
if (defined $self->[DEFINITIONS])
|
|
{
|
|
delete $self->[DEFINITIONS]->{$file};
|
|
|
|
if (!scalar keys %{$self->[DEFINITIONS]})
|
|
{
|
|
$self->[DEFINITIONS] = undef;
|
|
return 1;
|
|
};
|
|
};
|
|
|
|
return undef;
|
|
};
|
|
|
|
|
|
#
|
|
# Function: AddParentReference
|
|
#
|
|
# Adds a parent reference to the class and return whether it resulted in a new parent class.
|
|
#
|
|
# Parameters:
|
|
#
|
|
# reference - The <ReferenceString> used to determine the parent.
|
|
# file - The <FileName> the parent reference is in.
|
|
# referenceTranslations - A hashref of what each reference currently resolves to. The keys are the
|
|
# <ReferenceStrings> and the values are class <SymbolStrings>. It should include an entry for
|
|
# the reference parameter above.
|
|
#
|
|
# Returns:
|
|
#
|
|
# If the reference adds a new parent, it will return that parent's <SymbolString>. Otherwise it will return undef.
|
|
#
|
|
sub AddParentReference #(reference, file, referenceTranslations)
|
|
{
|
|
my ($self, $reference, $file, $referenceTranslations) = @_;
|
|
|
|
if (!defined $self->[PARENT_REFERENCES])
|
|
{ $self->[PARENT_REFERENCES] = { }; };
|
|
if (!defined $self->[PARENTS])
|
|
{ $self->[PARENTS] = { }; };
|
|
|
|
|
|
if (!exists $self->[PARENT_REFERENCES]->{$reference})
|
|
{
|
|
$self->[PARENT_REFERENCES]->{$reference} = { $file => 1 };
|
|
|
|
my $symbol = $referenceTranslations->{$reference};
|
|
|
|
if (!exists $self->[PARENTS]->{$symbol})
|
|
{
|
|
$self->[PARENTS]->{$symbol} = 1;
|
|
return $symbol;
|
|
}
|
|
else
|
|
{ return undef; };
|
|
}
|
|
else
|
|
{
|
|
$self->[PARENT_REFERENCES]->{$reference}->{$file} = 1;
|
|
return undef;
|
|
};
|
|
};
|
|
|
|
#
|
|
# Function: DeleteParentReference
|
|
#
|
|
# Deletes a parent reference from the class and return whether it resulted in a loss of a parent class.
|
|
#
|
|
# Parameters:
|
|
#
|
|
# reference - The <ReferenceString> used to determine the parent.
|
|
# file - The <FileName> the parent declaration is in.
|
|
# referenceTranslations - A hashref of what each reference currently resolves to. The keys are the
|
|
# <ReferenceStrings> and the values are class <SymbolStrings>. It should include an entry for
|
|
# the reference parameter above.
|
|
#
|
|
# Returns:
|
|
#
|
|
# If this causes a parent class to be lost, it will return that parent's <SymbolString>. Otherwise it will return undef.
|
|
#
|
|
sub DeleteParentReference #(reference, file, referenceTranslations)
|
|
{
|
|
my ($self, $reference, $file, $referenceTranslations) = @_;
|
|
|
|
if (defined $self->[PARENT_REFERENCES] && exists $self->[PARENT_REFERENCES]->{$reference} &&
|
|
exists $self->[PARENT_REFERENCES]->{$reference}->{$file})
|
|
{
|
|
delete $self->[PARENT_REFERENCES]->{$reference}->{$file};
|
|
|
|
# Quit if there are other definitions of this reference.
|
|
if (scalar keys %{$self->[PARENT_REFERENCES]->{$reference}})
|
|
{ return undef; };
|
|
|
|
delete $self->[PARENT_REFERENCES]->{$reference};
|
|
|
|
if (!scalar keys %{$self->[PARENT_REFERENCES]})
|
|
{ $self->[PARENT_REFERENCES] = undef; };
|
|
|
|
my $parent = $referenceTranslations->{$reference};
|
|
|
|
# Check if any other references resolve to the same parent.
|
|
if (defined $self->[PARENT_REFERENCES])
|
|
{
|
|
foreach my $parentReference (keys %{$self->[PARENT_REFERENCES]})
|
|
{
|
|
if ($referenceTranslations->{$parentReference} eq $parent)
|
|
{ return undef; };
|
|
};
|
|
};
|
|
|
|
# If we got this far, no other parent references resolve to this symbol.
|
|
|
|
delete $self->[PARENTS]->{$parent};
|
|
|
|
if (!scalar keys %{$self->[PARENTS]})
|
|
{ $self->[PARENTS] = undef; };
|
|
|
|
return $parent;
|
|
}
|
|
else
|
|
{ return undef; };
|
|
};
|
|
|
|
|
|
#
|
|
# Function: AddChild
|
|
# Adds a child <SymbolString> to the class. Unlike <AddParentReference()>, this does not keep track of anything other than
|
|
# whether it has it or not.
|
|
#
|
|
# Parameters:
|
|
#
|
|
# child - The <SymbolString> to add.
|
|
#
|
|
sub AddChild #(child)
|
|
{
|
|
my ($self, $child) = @_;
|
|
|
|
if (!defined $self->[CHILDREN])
|
|
{ $self->[CHILDREN] = { }; };
|
|
|
|
$self->[CHILDREN]->{$child} = 1;
|
|
};
|
|
|
|
#
|
|
# Function: DeleteChild
|
|
# Deletes a child <SymbolString> from the class. Unlike <DeleteParentReference()>, this does not keep track of anything other
|
|
# than whether it has it or not.
|
|
#
|
|
# Parameters:
|
|
#
|
|
# child - The <SymbolString> to delete.
|
|
#
|
|
sub DeleteChild #(child)
|
|
{
|
|
my ($self, $child) = @_;
|
|
|
|
if (defined $self->[CHILDREN])
|
|
{
|
|
delete $self->[CHILDREN]->{$child};
|
|
|
|
if (!scalar keys %{$self->[CHILDREN]})
|
|
{ $self->[CHILDREN] = undef; };
|
|
};
|
|
};
|
|
|
|
|
|
|
|
###############################################################################
|
|
# Group: Information Functions
|
|
|
|
#
|
|
# Function: Definitions
|
|
# Returns an array of the <FileNames> that define this class, or an empty array if none.
|
|
#
|
|
sub Definitions
|
|
{
|
|
my ($self) = @_;
|
|
|
|
if (defined $self->[DEFINITIONS])
|
|
{ return keys %{$self->[DEFINITIONS]}; }
|
|
else
|
|
{ return ( ); };
|
|
};
|
|
|
|
#
|
|
# Function: IsDefinedIn
|
|
# Returns whether the class is defined in the passed <FileName>.
|
|
#
|
|
sub IsDefinedIn #(file)
|
|
{
|
|
my ($self, $file) = @_;
|
|
|
|
if (defined $self->[DEFINITIONS])
|
|
{ return exists $self->[DEFINITIONS]->{$file}; }
|
|
else
|
|
{ return 0; };
|
|
};
|
|
|
|
#
|
|
# Function: IsDefined
|
|
# Returns whether the class is defined in any files.
|
|
#
|
|
sub IsDefined
|
|
{
|
|
my ($self) = @_;
|
|
return defined $self->[DEFINITIONS];
|
|
};
|
|
|
|
#
|
|
# Function: ParentReferences
|
|
# Returns an array of the parent <ReferenceStrings>, or an empty array if none.
|
|
#
|
|
sub ParentReferences
|
|
{
|
|
my ($self) = @_;
|
|
|
|
if (defined $self->[PARENT_REFERENCES])
|
|
{ return keys %{$self->[PARENT_REFERENCES]}; }
|
|
else
|
|
{ return ( ); };
|
|
};
|
|
|
|
#
|
|
# Function: HasParentReference
|
|
# Returns whether the class has the passed parent <ReferenceString>.
|
|
#
|
|
sub HasParentReference #(reference)
|
|
{
|
|
my ($self, $reference) = @_;
|
|
return (defined $self->[PARENT_REFERENCES] && exists $self->[PARENT_REFERENCES]->{$reference});
|
|
};
|
|
|
|
#
|
|
# Function: HasParentReferences
|
|
# Returns whether the class has any parent <ReferenceStrings>.
|
|
#
|
|
sub HasParentReferences
|
|
{
|
|
my ($self) = @_;
|
|
return defined $self->[PARENT_REFERENCES];
|
|
};
|
|
|
|
#
|
|
# Function: Parents
|
|
# Returns an array of the parent <SymbolStrings>, or an empty array if none.
|
|
#
|
|
sub Parents
|
|
{
|
|
my ($self) = @_;
|
|
|
|
if (defined $self->[PARENTS])
|
|
{ return keys %{$self->[PARENTS]}; }
|
|
else
|
|
{ return ( ); };
|
|
};
|
|
|
|
#
|
|
# Function: HasParents
|
|
# Returns whether the class has any parent <SymbolStrings> defined.
|
|
#
|
|
sub HasParents
|
|
{
|
|
my ($self) = @_;
|
|
return defined $self->[PARENTS];
|
|
};
|
|
|
|
#
|
|
# Function: Children
|
|
# Returns an array of the child <SymbolStrings>, or an empty array if none.
|
|
#
|
|
sub Children
|
|
{
|
|
my ($self) = @_;
|
|
|
|
if (defined $self->[CHILDREN])
|
|
{ return keys %{$self->[CHILDREN]}; }
|
|
else
|
|
{ return ( ); };
|
|
};
|
|
|
|
#
|
|
# Function: HasChildren
|
|
# Returns whether any child <SymbolStrings> are defined.
|
|
#
|
|
sub HasChildren
|
|
{
|
|
my ($self) = @_;
|
|
return defined $self->[CHILDREN];
|
|
};
|
|
|
|
|
|
#
|
|
# Function: ParentReferenceDefinitions
|
|
# Returns an array of the <FileNames> which define the passed parent <ReferenceString>, or an empty array if none.
|
|
#
|
|
sub ParentReferenceDefinitions #(reference)
|
|
{
|
|
my ($self, $reference) = @_;
|
|
|
|
if (defined $self->[PARENT_REFERENCES] && exists $self->[PARENT_REFERENCES]->{$reference})
|
|
{ return keys %{$self->[PARENT_REFERENCES]->{$reference}}; }
|
|
else
|
|
{ return ( ); };
|
|
};
|
|
|
|
|
|
1;
|