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annotate core/src/luan/cmd_line.luan @ 313:1f6d828986b9

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replace Http.request.servlet_path with Http.request.path; rename Http.request.current_url to Http.request.url; Web_server now loads welcome_file in init() for initialization; fix cmd_line -e; fix install for luan args; git-svn-id: https://luan-java.googlecode.com/svn/trunk@314 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Thu, 25 Dec 2014 06:14:59 +0000
parents 9fb523472035
children fed1893821bf
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rev   line source
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1 import "luan:String"
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2 import "luan:Table"
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3 import "luan:Io"
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4 import "luan:Debug"
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5
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6
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7 local standalone_usage = [=[
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8 usage: java luan.Luan [options] [script [args]]
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9 Available options are:
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10 -e stat execute string 'stat'
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11 -i enter interactive mode after executing 'script'
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12 -v show version information
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13 -- stop handling options
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14 - stop handling options and execute stdin
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15 ]=]
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17 local function standalone_error(msg)
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18 Io.stderr.write( msg, "\n", standalone_usage )
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19 end
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22 local args = {...}
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23 local interactive = false
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24 local showVersion = false
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25 local i = 1
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26 if #args == 0 then
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27 interactive = true
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28 showVersion = true
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29 else
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30 while i <= #args do
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31 local arg = args[i]
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32 if arg.sub(1,1) ~= "-" or arg == "--" then
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33 break
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34 end
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35 if arg == "-i" then
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36 interactive = true
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37 elseif arg == "-v" then
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38 showVersion = true
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39 elseif arg == "-e" then
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40 i = i + 1
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41 if i > #args then
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42 standalone_error "'-e' needs argument"
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43 return
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44 end
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45 local cmd = args[i]
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46 local stat = load(cmd,"(command line)",{},true)
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47 local result = Table.pack( stat() )
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48 if result.n > 0 then
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49 print( Table.unpack(result,1,result.n) )
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50 end
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51 elseif arg == "-" then
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52 local src = Io.stdin.read_text()
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53 local stdin = load(src,"stdin")
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54 stdin()
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55 return
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56 else
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57 standalone_error( "unrecognized option '"..arg.."'" )
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58 return
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59 end
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60 i = i + 1
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61 end
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62 end
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63 if showVersion then print(_VERSION) end
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64 if i <= #args then
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65 local file = args[i]
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66 _G.arg = {}
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67 for j,v in ipairs(args) do
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68 _G.arg[j-i] = v
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69 end
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70 try
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71 local main_file = load_file("file:"..file)
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72 main_file( Table.unpack(_G.arg) )
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73 catch e do
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74 Io.print_to(Io.stderr, e )
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75 end
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76 end
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77 if interactive then
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78 Debug.debug("> ")
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79 end