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#
# tkextlib/blt/vector.rb
# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
#
require 'tk'
require 'tkextlib/blt.rb'
module Tk::BLT
class Vector < TkVariable
TkCommandNames = ['::blt::vector'.freeze].freeze
def self.create(*args)
tk_call('::blt::vector', 'create', *args)
end
def self.destroy(*args)
tk_call('::blt::vector', 'destroy', *args)
end
def self.expr(expression)
tk_call('::blt::vector', 'expr', expression)
end
def self.names(pat=None)
list = simplelist(tk_call('::blt::vector', 'names', pat))
TkVar_ID_TBL.mutex.synchronize{
list.collect{|name|
if TkVar_ID_TBL[name]
TkVar_ID_TBL[name]
elsif name[0..1] == '::' && TkVar_ID_TBL[name[2..-1]]
TkVar_ID_TBL[name[2..-1]]
else
name
end
}
}
end
####################################
def initialize(size=nil, keys={})
if size.kind_of?(Hash)
keys = size
size = nil
end
if size.kind_of?(Array)
# [first, last]
size = size.join(':')
end
if size
@id = TkCore::INTERP._invoke('::blt::vector', 'create',
"#auto(#{size})", *hash_kv(keys))
else
@id = TkCore::INTERP._invoke('::blt::vector', 'create',
"#auto", *hash_kv(keys))
end
TkVar_ID_TBL.mutex.synchronize{
TkVar_ID_TBL[@id] = self
}
@def_default = false
@default_val = nil
@trace_var = nil
@trace_elem = nil
@trace_opts = nil
# teach Tk-ip that @id is global var
TkCore::INTERP._invoke_without_enc('global', @id)
end
def destroy
tk_call('::blt::vector', 'destroy', @id)
end
def inspect
'#<Tk::BLT::Vector: ' + @id + '>'
end
def to_s
@id
end
def *(item)
list(tk_call(@id, '*', item))
end
def +(item)
list(tk_call(@id, '+', item))
end
def -(item)
list(tk_call(@id, '-', item))
end
def /(item)
list(tk_call(@id, '/', item))
end
def append(*vectors)
tk_call(@id, 'append', *vectors)
end
def binread(channel, len=None, keys={})
if len.kind_of?(Hash)
keys = len
len = None
end
keys = _symbolkey2str(keys)
keys['swap'] = None if keys.delete('swap')
tk_call(@id, 'binread', channel, len, keys)
end
def clear()
tk_call(@id, 'clear')
self
end
def delete(*indices)
tk_call(@id, 'delete', *indices)
self
end
def dup_vector(vec)
tk_call(@id, 'dup', vec)
self
end
def expr(expression)
tk_call(@id, 'expr', expression)
self
end
def index(idx, val=None)
number(tk_call(@id, 'index', idx, val))
end
def [](idx)
index(idx)
end
def []=(idx, val)
index(idx, val)
end
def length()
number(tk_call(@id, 'length'))
end
def length=(size)
number(tk_call(@id, 'length', size))
end
def merge(*vectors)
tk_call(@id, 'merge', *vectors)
self
end
def normalize(vec=None)
tk_call(@id, 'normalize', vec)
self
end
def notify(keyword)
tk_call(@id, 'notify', keyword)
self
end
def offset()
number(tk_call(@id, 'offset'))
end
def offset=(val)
number(tk_call(@id, 'offset', val))
end
def random()
tk_call(@id, 'random')
end
def populate(vector, density=None)
tk_call(@id, 'populate', vector, density)
self
end
def range(first, last=None)
list(tk_call(@id, 'range', first, last))
end
def search(val1, val2=None)
list(tk_call(@id, 'search', val1, val2))
end
def set(item)
tk_call(@id, 'set', item)
self
end
def seq(start, finish=None, step=None)
tk_call(@id, 'seq', start, finish, step)
self
end
def sort(*vectors)
tk_call(@id, 'sort', *vectors)
self
end
def sort_reverse(*vectors)
tk_call(@id, 'sort', '-reverse', *vectors)
self
end
def split(*vectors)
tk_call(@id, 'split', *vectors)
self
end
def variable(var)
tk_call(@id, 'variable', var)
self
end
end
class VectorAccess < Vector
def self.new(name)
TkVar_ID_TBL.mutex.synchronize{
if TkVar_ID_TBL[name]
TkVar_ID_TBL[name]
else
(obj = self.allocate).instance_eval{
initialize(name)
TkVar_ID_TBL[@id] = self
}
obj
end
}
end
def initialize(vec_name)
@id = vec_name
@def_default = false
@default_val = nil
@trace_var = nil
@trace_elem = nil
@trace_opts = nil
# teach Tk-ip that @id is global var
TkCore::INTERP._invoke_without_enc('global', @id)
end
end
end
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