annotate framework/env/execute/load_chunk.lua @ 32:e31af860e97c
add id/params support
| author |
Daniel Poelzleithner <poelzi@poelzi.org> |
| date |
Tue Oct 05 04:26:48 2010 +0200 (2010-10-05) |
| parents |
1cd9e69b85cb |
| children |
209a686464a1 |
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line source |
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poelzi@31
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1 --[[--
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2 status_code = -- executes and returns a lua file
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3 execute.load_chunk{
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4 file_path = file_path, -- path to a lua source or byte-code file
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5 app = app, -- app name to use or the current will be used
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6 module = module, -- module where chunk is located
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7 chunk = chunk -- filename of lua file to load
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8 id = id, -- id to be returned by param.get_id(...) during execution
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9 params = params -- parameters to be returned by param.get(...) during execution
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10 }
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11
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12 This function loads and executes a lua file specified by a given path or constructs
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13 a path to load from the module and chunk name.
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14
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15 --]]--
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16
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17 function execute.load_chunk(args)
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18 local file_path = args.file_path
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19 local app = args.app
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20 local module = args.module
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21 local chunk = args.chunk
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22 local id = args.id
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23 local params = args.params
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24
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25 app = app or request.get_app_name()
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26
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27 file_path = file_path or encode.file_path(request.get_app_basepath(),
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28 'app', app, module, chunk)
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29
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30
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31 local func, load_errmsg = loadfile(file_path)
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32 if not func then
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33 error('Could not load file "' .. file_path .. '": ' .. load_errmsg)
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34 end
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35
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36 if id or params then
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37 param.exchange(id, params)
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38 end
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39
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40 local result = func()
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41
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42 if id or params then
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43 param.restore()
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44 end
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45
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46 return result
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47 end
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