57 lines
1.9 KiB
Lua
57 lines
1.9 KiB
Lua
--[[
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MIT License
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Copyright (c) 2017 Ryan Ward
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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]]
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require("multi")
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function multi:newWatcher(namespace,name)
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local function WatcherObj(ns,n)
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if self.Type=='queue' then
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print("Cannot create a watcher on a queue! Creating on 'multi' instead!")
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self=multi
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end
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local c=self:newBase()
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c.Type='watcher'
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c.ns=ns
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c.n=n
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c.cv=ns[n]
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function c:OnValueChanged(func)
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table.insert(self.func,func)
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end
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function c:Act()
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if self.cv~=self.ns[self.n] then
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for i=1,#self.func do
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self.func[i](self,self.cv,self.ns[self.n])
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end
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self.cv=self.ns[self.n]
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end
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end
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self:create(c)
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return c
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end
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if type(namespace)~='table' and type(namespace)=='string' then
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return WatcherObj(_G,namespace)
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elseif type(namespace)=='table' and (type(name)=='string' or 'number') then
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return WatcherObj(namespace,name)
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else
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print('Warning, invalid arguments! Nothing returned!')
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end
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end |