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/**********
This library is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the
Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
This library is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**********/
// Copyright (c) 1996-2012 Live Networks, Inc. All rights reserved.
// Basic Usage Environment: for a simple, non-scripted, console application
// Implementation
#include "BasicUsageEnvironment0.hh"
#include <stdio.h>
////////// BasicUsageEnvironment //////////
BasicUsageEnvironment0::BasicUsageEnvironment0(TaskScheduler& taskScheduler)
: UsageEnvironment(taskScheduler),
fBufferMaxSize(RESULT_MSG_BUFFER_MAX) {
reset();
}
BasicUsageEnvironment0::~BasicUsageEnvironment0() {
}
void BasicUsageEnvironment0::reset() {
fCurBufferSize = 0;
fResultMsgBuffer[fCurBufferSize] = '\0';
}
// Implementation of virtual functions:
char const* BasicUsageEnvironment0::getResultMsg() const {
return fResultMsgBuffer;
}
void BasicUsageEnvironment0::setResultMsg(MsgString msg) {
reset();
appendToResultMsg(msg);
}
void BasicUsageEnvironment0::setResultMsg(MsgString msg1, MsgString msg2) {
setResultMsg(msg1);
appendToResultMsg(msg2);
}
void BasicUsageEnvironment0::setResultMsg(MsgString msg1, MsgString msg2,
MsgString msg3) {
setResultMsg(msg1, msg2);
appendToResultMsg(msg3);
}
void BasicUsageEnvironment0::setResultErrMsg(MsgString msg, int err) {
setResultMsg(msg);
#ifndef _WIN32_WCE
appendToResultMsg(strerror(err == 0 ? getErrno() : err));
#endif
}
void BasicUsageEnvironment0::appendToResultMsg(MsgString msg) {
char* curPtr = &fResultMsgBuffer[fCurBufferSize];
unsigned spaceAvailable = fBufferMaxSize - fCurBufferSize;
unsigned msgLength = strlen(msg);
// Copy only enough of "msg" as will fit:
if (msgLength > spaceAvailable-1) {
msgLength = spaceAvailable-1;
}
memmove(curPtr, (char*)msg, msgLength);
fCurBufferSize += msgLength;
fResultMsgBuffer[fCurBufferSize] = '\0';
}
void BasicUsageEnvironment0::reportBackgroundError() {
fputs(getResultMsg(), stderr);
}
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