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60 lines
2.0 KiB
60 lines
2.0 KiB
-- Copyright (c) 2011-2015 Rob Hoelz <rob@hoelz.ro>
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--
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-- Permission is hereby granted, free of charge, to any person obtaining a copy of
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-- this software and associated documentation files (the "Software"), to deal in
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-- the Software without restriction, including without limitation the rights to
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-- use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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-- the Software, and to permit persons to whom the Software is furnished to do so,
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-- subject to the following conditions:
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--
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-- The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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--
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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, FITNESS
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-- FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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-- COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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-- IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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-- CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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local history_file
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local function invokecallback(self, name, ...)
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if not self._history_callbacks then
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return
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end
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local impl = self._history_callbacks[name]
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return impl(...)
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end
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local function init()
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if os.getenv 'HOME' then
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history_file = os.getenv('HOME') .. '/.rep.lua.history'
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end
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end
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-- XXX I don't know if this callback setup way
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-- is the best way to go about this (in fact
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-- I'm pretty sure it isn't), but I just need
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-- something that works right now.
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function repl:setuphistorycallbacks(callbacks)
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self._history_callbacks = callbacks
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if history_file then
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invokecallback(self, 'load', history_file)
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end
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end
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function after:handleline(line)
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invokecallback(self, 'addline', line)
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end
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function before:shutdown()
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if history_file then
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invokecallback(self, 'save', history_file)
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end
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end
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features = 'history'
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init()
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