contrib/llvm/tools/lldb/source/Core/InputReaderEZ.cpp

   1 //===-- InputReaderEZ.cpp ---------------------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #include "lldb/Core/InputReaderEZ.h"
  11
  12 using namespace lldb;
  13 using namespace lldb_private;
  14
  15 size_t
  16 InputReaderEZ::Callback_Impl(void *baton,
  17                              InputReader &reader,
  18                              lldb::InputReaderAction notification,
  19                              const char *bytes,
  20                              size_t bytes_len)
  21
  22 {
  23     HandlerData hand_data(reader,
  24                           bytes,
  25                           bytes_len,
  26                           baton);
  27
  28     switch (notification)
  29     {
  30         case eInputReaderActivate:
  31             reader.ActivateHandler(hand_data);
  32             break;
  33         case eInputReaderDeactivate:
  34             reader.DeactivateHandler(hand_data);
  35             break;
  36         case eInputReaderReactivate:
  37             reader.ReactivateHandler(hand_data);
  38             break;
  39         case eInputReaderAsynchronousOutputWritten:
  40             reader.AsynchronousOutputWrittenHandler(hand_data);
  41             break;
  42         case eInputReaderGotToken:
  43         {
  44             if (reader.GetSaveUserInput())
  45                 reader.GetUserInput().AppendString(bytes, bytes_len);
  46             reader.GotTokenHandler(hand_data);
  47         }
  48             break;
  49         case eInputReaderInterrupt:
  50             reader.InterruptHandler(hand_data);
  51             break;
  52         case eInputReaderEndOfFile:
  53             reader.EOFHandler(hand_data);
  54             break;
  55         case eInputReaderDone:
  56             reader.DoneHandler(hand_data);
  57             break;
  58     }
  59     return bytes_len;
  60 }
  61
  62 Error
  63 InputReaderEZ::Initialize(void* baton,
  64                           lldb::InputReaderGranularity token_size,
  65                           const char* end_token,
  66                           const char *prompt,
  67                           bool echo)
  68 {
  69     return InputReader::Initialize(Callback_Impl,
  70                                    baton,
  71                                    token_size,
  72                                    end_token,
  73                                    prompt,
  74                                    echo);
  75 }
  76
  77 Error
  78 InputReaderEZ::Initialize(InitializationParameters& params)
  79 {
  80     Error ret =  Initialize(params.m_baton,
  81                             params.m_token_size,
  82                             params.m_end_token,
  83                             params.m_prompt,
  84                             params.m_echo);
  85     m_save_user_input = params.m_save_user_input;
  86     return ret;
  87 }
  88
  89 InputReaderEZ::~InputReaderEZ ()
  90 {
  91 }