101 lines
3.0 KiB
C++
101 lines
3.0 KiB
C++
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//------------------------------------------------------------------------------
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// Copyright (c) 2001-2002, OpenBeOS
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: Utils.cpp
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// Author: DarkWyrm <[email protected]>
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// Description: Miscellaneous utility functions
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//
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//------------------------------------------------------------------------------
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#include <Entry.h>
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#include <stdio.h>
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#include "Utils.h"
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/*!
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\brief Send a BMessage to a Looper target
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\param port Receiver port of the targeted Looper
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\param BMessage to send
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This SendMessage takes ownership of the message sent, so deleting them after this
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call is unnecessary. Passing an invalid port will have unpredictable results.
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*/
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void SendMessage(port_id port, BMessage *message, int32 target)
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{
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if(!message)
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return;
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if(target==-1)
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_set_message_target_(message,target,true);
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else
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_set_message_target_(message,target,false);
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ssize_t flatsize=message->FlattenedSize();
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char *buffer=new char[flatsize];
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if(message->Flatten(buffer,flatsize)==B_OK)
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write_port(port, message->what, buffer,flatsize);
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delete buffer;
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delete message;
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}
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/*
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Below are friend functions for BMessage which currently are not in the Message.cpp
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that we need to send messages to BLoopers and such. Placed here to allow compilation.
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*/
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void _set_message_target_(BMessage *msg, int32 target, bool preferred)
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{
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if (preferred)
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{
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msg->fTarget = -1;
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msg->fPreferred = true;
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}
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else
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{
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msg->fTarget = target;
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msg->fPreferred = false;
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}
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}
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int32 _get_message_target_(BMessage *msg)
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{
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if (msg->fPreferred)
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return -1;
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else
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return msg->fTarget;
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}
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bool _use_preferred_target_(BMessage *msg)
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{
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return msg->fPreferred;
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}
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const char *MsgCodeToString(int32 code)
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{
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// Used to translate BMessage message codes back to a character
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// format
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char string [10];
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sprintf(string,"'%c%c%c%c'",(char)((code & 0xFF000000) >> 24),
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(char)((code & 0x00FF0000) >> 16),
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(char)((code & 0x0000FF00) >> 8),
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(char)((code & 0x000000FF)) );
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return string;
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}
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