streamdebug.cpp

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/* ResidualVM - A 3D game interpreter
 *
 * ResidualVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.

 * This program 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 General Public License for more details.

 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 */

#include "common/streamdebug.h"
#include "common/debug.h"
#include "common/str.h"

namespace Common {

class MessageStream {
public:
    MessageStream() :
        ref(1), space(true) {

    }

    String msg;
    int ref;
    bool space;
    int level;
};

Debug::Debug(int level) :
    _stream(new MessageStream()) {
    _stream->level = level;
}

Debug::Debug(const Debug &other) {
    *this = other;
}

Debug::~Debug() {
    if (--_stream->ref == 0) {
        debug(_stream->level, "%s", _stream->msg.c_str());
        delete _stream;
    }
}

Debug &Debug::space() {
    if (!_stream->space) {
        _stream->msg += String(" ");
        _stream->space = true;
    }
    return *this;
}

Debug &Debug::nospace() {
    _stream->space = false;
    return *this;
}

Debug &Debug::maybeSpace() {
    if (_stream->space) {
        _stream->msg += " ";
    }
    return *this;
}

Debug &Debug::operator<<(const String &str) {
    _stream->msg += str;
    return maybeSpace();
}

Debug &Debug::operator<<(const char *str) {
    _stream->msg += str;
    return maybeSpace();
}

Debug &Debug::operator<<(char str) {
    _stream->msg += str;
    return maybeSpace();
}

Debug &Debug::operator<<(int num) {
    _stream->msg += String::format("%d", num);
    return maybeSpace();
}

Debug &Debug::operator<<(unsigned int num) {
    _stream->msg += String::format("%d", num);
    return maybeSpace();
}

Debug &Debug::operator<<(double num) {
    _stream->msg += String::format("%g", num);
    return maybeSpace();
}

Debug &Debug::operator<<(float num) {
    _stream->msg += String::format("%g", num);
    return maybeSpace();
}

Debug &Debug::operator<<(bool value) {
    _stream->msg += (value ? "true" : "false");
    return maybeSpace();
}

Debug &Debug::operator<<(void *p) {
    _stream->msg += String::format("%p", p);
    return maybeSpace();
}

Debug &Debug::operator=(const Debug &other) {
    _stream = other._stream;
    ++_stream->ref;

    return *this;
}

}

Common::Debug streamDbg(int level) {
    return Common::Debug(level);
}