nesteddiagnosticcontext.cpp

This software aims to create an applet and panel tools to manage a wireless interface card, such as

//
// NestedDiagnosticContext.cpp
//
// $Id: //poco/Main/Foundation/src/NestedDiagnosticContext.cpp#5 $
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//


#include "Foundation/NestedDiagnosticContext.h"
#include "Foundation/SingletonHolder.h"
#include "Foundation/ThreadLocal.h"


Foundation_BEGIN


NestedDiagnosticContext::NestedDiagnosticContext()
{
}


NestedDiagnosticContext::NestedDiagnosticContext(const NestedDiagnosticContext& ctx)
{
	_stack = ctx._stack;
}


NestedDiagnosticContext::~NestedDiagnosticContext()
{
}


NestedDiagnosticContext& NestedDiagnosticContext::operator = (const NestedDiagnosticContext& ctx)
{
	if (&ctx != this)
		_stack = ctx._stack;
	return *this;
}

	
void NestedDiagnosticContext::push(const std::string& info)
{
	Context ctx;
	ctx.info = info;
	ctx.line = -1;
	ctx.file = 0;
	_stack.push_back(ctx);
}

	
void NestedDiagnosticContext::push(const std::string& info, int line, const char* filename)
{
	Context ctx;
	ctx.info = info;
	ctx.line = line;
	ctx.file = filename;
	_stack.push_back(ctx);
}


void NestedDiagnosticContext::pop()
{
	if (!_stack.empty())
		_stack.pop_back();
}

	
int NestedDiagnosticContext::depth() const
{
	return int(_stack.size());
}


std::string NestedDiagnosticContext::toString() const
{
	std::string result;
	for (Stack::const_iterator it = _stack.begin(); it != _stack.end(); ++it)
	{
		if (!result.empty())
			result.append(":");
		result.append(it->info);
	}
	return result;
}

	
void NestedDiagnosticContext::dump(std::ostream& ostr) const
{
	dump(ostr, "\n");
}


void NestedDiagnosticContext::dump(std::ostream& ostr, const std::string& delimiter) const
{
	for (Stack::const_iterator it = _stack.begin(); it != _stack.end(); ++it)
	{
		ostr << it->info;
		if (it->file)
			ostr << " (in \"" << it->file << "\", line " << it->line << ")";
		ostr << delimiter;
	}
}


void NestedDiagnosticContext::clear()
{
	_stack.clear();
}


NestedDiagnosticContext& NestedDiagnosticContext::current()
{
	static ThreadLocal<NestedDiagnosticContext> ndc;
	return ndc.get();
}


Foundation_END