1 /* 2 * Copyright (c) 2003-4 Kian Duffy <myob@users.sourceforge.net> 3 * Parts Copyright (C) 1998,99 Kazuho Okui and Takashi Murai. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files or portions 7 * thereof (the "Software"), to deal in the Software without restriction, 8 * including without limitation the rights to use, copy, modify, merge, 9 * publish, distribute, sublicense, and/or sell copies of the Software, 10 * and to permit persons to whom the Software is furnished to do so, subject 11 * to the following conditions: 12 * 13 * * Redistributions of source code must retain the above copyright notice, 14 * this list of conditions and the following disclaimer. 15 * 16 * * Redistributions in binary form must reproduce the above copyright notice 17 * in the binary, as well as this list of conditions and the following 18 * disclaimer in the documentation and/or other materials provided with 19 * the distribution. 20 * 21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 22 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 25 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 26 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 27 * THE SOFTWARE. 28 * 29 */ 30 31 #ifndef TERMPARSE_H 32 #define TERMPARSE_H 33 34 #include <kernel/OS.h> 35 #include <MessageRunner.h> 36 #include "TermConst.h" 37 38 class TermView; 39 class CodeConv; 40 class TermWindow; 41 42 //PtyReader buffer size. 43 #define READ_BUF_SIZE 2048 44 45 class TermParse : public BHandler 46 { 47 public: 48 TermParse (void); 49 ~TermParse (void); 50 51 // Initialize TermParse and PtyReader thread. 52 status_t InitTermParse (TermView *inViewObj, CodeConv *inConvObj); 53 thread_id InitPtyReader (TermWindow *inWinObj); 54 55 // Delete TermParse and PtyReader thread. 56 status_t AbortTermParse (void); 57 status_t AbortPtyReader (void); 58 59 60 private: 61 // 62 // Hook Functions. 63 // 64 65 66 // Escape Sequance parse thread. 67 static int32 EscParse (void *); 68 69 // Pty device reader thread. 70 static int32 PtyReader (void *); 71 72 // Reading ReadBuf at one Char. 73 uchar GetReaderBuf (void); 74 75 TermView *fViewObj; 76 TermWindow *fWinObj; 77 CodeConv *fConvObj; 78 79 thread_id fParseThread; 80 sem_id fParseSem; 81 82 thread_id fReaderThread; 83 sem_id fReaderSem; 84 sem_id fReaderLocker; 85 86 BMessageRunner *fCursorUpdate; 87 88 uint fParser_p; /* EscParse reading buffer pointer */ 89 int fLockFlag; /* PtyReader lock flag */ 90 91 bool fQuitting; 92 93 uchar fReadBuf[READ_BUF_SIZE]; /* Reading buffer */ 94 95 }; 96 97 #endif // TERMPARSE_H 98