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April 3, 2009 07:02
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| let s:id_counter = 0 | |
| let s:klass = {'_class_': ['Klass'], '_id_': 0} | |
| " クラスの作成 | |
| function! s:klass.create(...) dict | |
| let object = deepcopy(self) | |
| let class = copy(self._class_) | |
| for c in get(a:1, '_class_', []) | |
| call add(class, c) | |
| endfor | |
| let s:id_counter += 1 | |
| let object._id_ = s:id_counter | |
| call remove(object, 'create') | |
| call extend(object, a:1) | |
| let object._class_ = class | |
| return object | |
| endfunction | |
| " インスタンスの作成 | |
| function! s:klass.new(...) dict | |
| let object = deepcopy(self) | |
| let s:id_counter += 1 | |
| let object._id_ = s:id_counter | |
| if a:0 >= 1 && !empty(a:1) | |
| call extend(object, a:1) | |
| endif | |
| return object | |
| endfunction | |
| " メソッド一覧 | |
| function! s:klass.methods(...) dict | |
| let properties = items(self) | |
| let methods = [] | |
| call filter(properties, 'type(v:val[1]) == 2') | |
| for property in properties | |
| let match = matchstr(string(property[1]), 'function') | |
| if !empty(match) | |
| call add(methods, property[0]) | |
| endif | |
| endfor | |
| return methods | |
| endfunction | |
| " 継承関係にあるか | |
| function! s:klass.is_a(class) dict | |
| return index(self._class_, a:class) != -1 | |
| endfunction | |
| " 継承 | |
| function! s:klass.extend(...) dict | |
| let class = copy(self._class_) | |
| call add(class, get(a:1, '_class_', [])) | |
| call extend(self, a:1) | |
| let self._class_ = class | |
| let s:id_counter += 1 | |
| let self._id_ = s:id_counter | |
| return self | |
| endfunction | |
| function! Test() | |
| " クラス定義 | |
| let Person = s:klass.create({ | |
| \ '_class_': ['Person'], | |
| \ 'name': '', | |
| \ 'age' : 0}) | |
| " メソッド定義 | |
| function! Person.hello() | |
| echo "Hello! My name is" self.name | |
| endfunction | |
| let ukstudio = Person.new({'name': 'ukstudio', 'age': 22}) | |
| echo ukstudio | |
| call ukstudio.hello() | |
| let tarou = Person.new({'name': 'tarou', 'age': 34}) | |
| call tarou.hello() | |
| "メソッドの一覧 | |
| echo ukstudio.methods() | |
| "継承する | |
| let Member = Person.extend({'_class_':'Member'}) | |
| let member = Member.new({'name': 'member', 'age': 12}) | |
| call member.hello() | |
| "継承関係にあるか | |
| echo ukstudio.is_a('Klass') | |
| echo ukstudio.is_a('Person') | |
| echo member.is_a('Person') | |
| " echo s:klass | |
| " echo Person | |
| " echo ukstudio | |
| " echo tarou | |
| " echo Member | |
| " echo member | |
| let Array = s:klass.new({}) | |
| " オーバーライド | |
| function! Array.new(...) dict | |
| let i = 0 | |
| for v in a:000 | |
| let self[i] = v | |
| let i += 1 | |
| endfor | |
| return self | |
| endfunction | |
| function! Array.values() dict | |
| let result = {} | |
| let values = items(self) | |
| call filter(values, 'v:val[0] =~ "\\d\\+"') | |
| for value in values | |
| let result[value[0]] = value[1] | |
| endfor | |
| return result | |
| endfunction | |
| let list = Array.new(1, 2, 3, 4) | |
| echo list.values() | |
| endfunction | |
| call Test() |
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