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#
# tk/namespace.rb : methods to manipulate Tcl/Tk namespace
# by Hidetoshi Nagai <nagai@ai.kyutech.ac.jp>
#
require 'tk'
class TkNamespace < TkObject
extend Tk
TkCommandNames = [
'namespace'.freeze,
].freeze
Tk_Namespace_ID_TBL = TkCore::INTERP.create_table
Tk_Namespace_ID = ["ns".freeze, "00000".taint].freeze
class ScopeArgs < Array
include Tk
# alias __tk_call tk_call
# alias __tk_call_without_enc tk_call_without_enc
# alias __tk_call_with_enc tk_call_with_enc
def tk_call(*args)
#super('namespace', 'eval', @namespace, *args)
args = args.collect{|arg| (s = _get_eval_string(arg))? s: ''}
super('namespace', 'eval', @namespace,
TkCore::INTERP._merge_tklist(*args))
end
def tk_call_without_enc(*args)
#super('namespace', 'eval', @namespace, *args)
args = args.collect{|arg| (s = _get_eval_string(arg))? s: ''}
super('namespace', 'eval', @namespace,
TkCore::INTERP._merge_tklist(*args))
end
def tk_call_with_enc(*args)
#super('namespace', 'eval', @namespace, *args)
args = args.collect{|arg| (s = _get_eval_string(arg))? s: ''}
super('namespace', 'eval', @namespace,
TkCore::INTERP._merge_tklist(*args))
end
def initialize(namespace, *args)
@namespace = namespace
super(args.size)
self.replace(args)
end
end
class NsCode < TkObject
def initialize(scope)
@scope = scope + ' '
end
def path
@scope
end
def to_eval
@scope
end
def call(*args)
TkCore::INTERP._eval_without_enc(@scope + array2tk_list(args))
end
end
alias __tk_call tk_call
alias __tk_call_without_enc tk_call_without_enc
alias __tk_call_with_enc tk_call_with_enc
def tk_call(*args)
#super('namespace', 'eval', @fullname, *args)
args = args.collect{|arg| (s = _get_eval_string(arg))? s: ''}
super('namespace', 'eval', @fullname,
TkCore::INTERP._merge_tklist(*args))
end
def tk_call_without_enc(*args)
#super('namespace', 'eval', @fullname, *args)
args = args.collect{|arg| (s = _get_eval_string(arg))? s: ''}
super('namespace', 'eval', @fullname,
TkCore::INTERP._merge_tklist(*args))
end
def tk_call_with_enc(*args)
#super('namespace', 'eval', @fullname, *args)
args = args.collect{|arg| (s = _get_eval_string(arg))? s: ''}
super('namespace', 'eval', @fullname,
TkCore::INTERP._merge_tklist(*args))
end
alias ns_tk_call tk_call
alias ns_tk_call_without_enc tk_call_without_enc
alias ns_tk_call_with_enc tk_call_with_enc
def initialize(name = nil, parent = nil)
unless name
# name = Tk_Namespace_ID.join('')
name = Tk_Namespace_ID.join(TkCore::INTERP._ip_id_)
Tk_Namespace_ID[1].succ!
end
name = __tk_call('namespace', 'current') if name == ''
if parent
if parent =~ /^::/
if name =~ /^::/
@fullname = parent + name
else
@fullname = parent +'::'+ name
end
else
ancestor = __tk_call('namespace', 'current')
ancestor = '' if ancestor == '::'
if name =~ /^::/
@fullname = ancestor + '::' + parent + name
else
@fullname = ancestor + '::'+ parent +'::'+ name
end
end
else # parent == nil
ancestor = __tk_call('namespace', 'current')
ancestor = '' if ancestor == '::'
if name =~ /^::/
@fullname = name
else
@fullname = ancestor + '::' + name
end
end
@path = @fullname
@parent = __tk_call('namespace', 'qualifiers', @fullname)
@name = __tk_call('namespace', 'tail', @fullname)
# create namespace
__tk_call('namespace', 'eval', @fullname, '')
Tk_Namespace_ID_TBL[@fullname] = self
end
def self.children(*args)
# args ::= [<namespace>] [<pattern>]
# <pattern> must be glob-style pattern
tk_split_simplelist(tk_call('namespace', 'children', *args)).collect{|ns|
# ns is fullname
if Tk_Namespace_ID_TBL.key?(ns)
Tk_Namespace_ID_TBL[ns]
else
ns
end
}
end
def children(pattern=None)
TkNamespace.children(@fullname, pattern)
end
def self.code(script = Proc.new)
TkNamespace.new('').code(script)
end
def code(script = Proc.new)
if script.kind_of?(String)
cmd = proc{|*args| ScopeArgs.new(@fullname,*args).instance_eval(script)}
elsif script.kind_of?(Proc)
cmd = proc{|*args| ScopeArgs.new(@fullname,*args).instance_eval(&script)}
else
fail ArgumentError, "String or Proc is expected"
end
TkNamespace::NsCode.new(tk_call_without_enc('namespace', 'code',
_get_eval_string(cmd, false)))
end
def self.current
tk_call('namespace', 'current')
end
def current_namespace
# ns_tk_call('namespace', 'current')
@fullname
end
alias current current_namespace
def self.delete(*ns_list)
tk_call('namespace', 'delete', *ns_list)
end
def delete
TkNamespece.delete(@fullname)
end
def self.ensemble_create(*keys)
tk_call('namespace', 'ensemble', 'create', *hash_kv(keys))
end
def self.ensemble_configure(cmd, slot, value=None)
if slot.kind_of?(Hash)
tk_call('namespace', 'ensemble', 'configure', cmd, *hash_kv(slot))
else
tk_call('namespace', 'ensemble', 'configure', cmd, '-'+slot.to_s, value)
end
end
def self.ensemble_configinfo(cmd, slot = nil)
if slot
tk_call('namespace', 'ensemble', 'configure', cmd, '-' + slot.to_s)
else
inf = {}
Hash(*tk_split_simplelist(tk_call('namespace', 'ensemble', 'configure', cmd))).each{|k, v| inf[k[1..-1]] = v}
inf
end
end
def self.ensemble_exist?(cmd)
bool(tk_call('namespace', 'ensemble', 'exists', cmd))
end
def self.eval(namespace, cmd = Proc.new, *args)
#tk_call('namespace', 'eval', namespace, cmd, *args)
TkNamespace.new(namespece).eval(cmd, *args)
end
def eval(cmd = Proc.new, *args)
#TkNamespace.eval(@fullname, cmd, *args)
#ns_tk_call(cmd, *args)
code_obj = code(cmd)
ret = code_obj.call(*args)
uninstall_cmd(TkCore::INTERP._split_tklist(code_obj.path)[-1])
ret
end
def self.exist?(ns)
bool(tk_call('namespace', 'exists', ns))
end
def exist?
TkNamespece.delete(@fullname)
end
def self.export(*patterns)
tk_call('namespace', 'export', *patterns)
end
def self.export_with_clear(*patterns)
tk_call('namespace', 'export', '-clear', *patterns)
end
def export
TkNamespace.export(@fullname)
end
def export_with_clear
TkNamespace.export_with_clear(@fullname)
end
def self.forget(*patterns)
tk_call('namespace', 'forget', *patterns)
end
def forget
TkNamespace.forget(@fullname)
end
def self.import(*patterns)
tk_call('namespace', 'import', *patterns)
end
def self.force_import(*patterns)
tk_call('namespace', 'import', '-force', *patterns)
end
def import
TkNamespace.import(@fullname)
end
def force_import
TkNamespace.force_import(@fullname)
end
def self.inscope(namespace, script, *args)
tk_call('namespace', 'inscope', namespace, script, *args)
end
def inscope(script, *args)
TkNamespace(@fullname, script, *args)
end
def self.origin(cmd)
tk_call('namespace', 'origin', cmd)
end
def self.parent(namespace=None)
ns = tk_call('namespace', 'parent', namespace)
if Tk_Namespace_ID_TBL.key?(ns)
Tk_Namespace_ID_TBL[ns]
else
ns
end
end
def parent
tk_call('namespace', 'parent', @fullname)
end
def self.qualifiers(str)
tk_call('namespace', 'qualifiers', str)
end
def self.tail(str)
tk_call('namespace', 'tail', str)
end
def self.which(name)
tk_call('namespace', 'which', name)
end
def self.which_command(name)
tk_call('namespace', 'which', '-command', name)
end
def self.which_variable(name)
tk_call('namespace', 'which', '-variable', name)
end
end
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