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comparison: DebugClients/Ruby/AsyncIO.rb
DebugClients/Ruby/AsyncIO.rb
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| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2005 - 2009 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 =begin edoc | |
| 7 File implementing an asynchronous interface for the debugger. | |
| 8 =end | |
| 9 | |
| 10 if RUBY_VERSION < "1.9" | |
| 11 $KCODE = 'UTF8' | |
| 12 require 'jcode' | |
| 13 end | |
| 14 | |
| 15 module AsyncIO | |
| 16 =begin edoc | |
| 17 Module implementing asynchronous reading and writing. | |
| 18 =end | |
| 19 def initializeAsyncIO | |
| 20 =begin edoc | |
| 21 Function to initialize the module. | |
| 22 =end | |
| 23 disconnect() | |
| 24 end | |
| 25 | |
| 26 def disconnect | |
| 27 =begin edoc | |
| 28 Function to disconnect any current connection. | |
| 29 =end | |
| 30 @readfd = nil | |
| 31 @writefd = nil | |
| 32 end | |
| 33 | |
| 34 def setDescriptors(rfd, wfd) | |
| 35 =begin edoc | |
| 36 Function called to set the descriptors for the connection. | |
| 37 | |
| 38 @param fd file descriptor of the input file (int) | |
| 39 @param wfd file descriptor of the output file (int) | |
| 40 =end | |
| 41 @rbuf = '' | |
| 42 @readfd = rfd | |
| 43 | |
| 44 @wbuf = '' | |
| 45 @writefd = wfd | |
| 46 end | |
| 47 | |
| 48 def readReady(fd) | |
| 49 =begin edoc | |
| 50 Function called when there is data ready to be read. | |
| 51 | |
| 52 @param fd file descriptor of the file that has data to be read (int) | |
| 53 =end | |
| 54 begin | |
| 55 got = @readfd.readline() | |
| 56 rescue | |
| 57 return | |
| 58 end | |
| 59 | |
| 60 if got.length == 0 | |
| 61 sessionClose() | |
| 62 return | |
| 63 end | |
| 64 | |
| 65 @rbuf << got | |
| 66 | |
| 67 # Call handleLine for the line if it is complete. | |
| 68 eol = @rbuf.index("\n") | |
| 69 | |
| 70 while eol and eol >= 0 | |
| 71 s = @rbuf[0..eol] | |
| 72 @rbuf = @rbuf[eol+1..-1] | |
| 73 handleLine(s) | |
| 74 eol = @rbuf.index("\n") | |
| 75 end | |
| 76 end | |
| 77 | |
| 78 def writeReady(fd) | |
| 79 =begin edoc | |
| 80 Function called when we are ready to write data. | |
| 81 | |
| 82 @param fd file descriptor of the file that has data to be written (int) | |
| 83 =end | |
| 84 @writefd.write(@wbuf) | |
| 85 @writefd.flush() | |
| 86 @wbuf = '' | |
| 87 end | |
| 88 | |
| 89 def write(s) | |
| 90 =begin edoc | |
| 91 Function to write a string. | |
| 92 | |
| 93 @param s the data to be written (string) | |
| 94 =end | |
| 95 @wbuf << s | |
| 96 end | |
| 97 end |
