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This commit is contained in:
Jonas Kulla 2013-09-01 16:30:36 +02:00
parent ff25887f41
commit ec90458925
8 changed files with 2360 additions and 0 deletions
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106
binding-mruby/mrb-ext/rwmem.cpp Normal file
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/*
** rwmem.cpp
**
** This file is part of mkxp.
**
** Copyright (C) 2013 Jonas Kulla <Nyocurio@gmail.com>
**
** mkxp 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.
**
** mkxp 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 mkxp. If not, see <http://www.gnu.org/licenses/>.
*/
#include "rwmem.h"
#include "SDL2/SDL_rwops.h"
#include <QVector>
typedef QVector<char> ByteVec;
static inline ByteVec *
getRWPrivate(SDL_RWops *ops)
{
return static_cast<ByteVec*>(ops->hidden.unknown.data1);
}
static Sint64 SDL_RWopsSize(SDL_RWops *ops)
{
ByteVec *v = getRWPrivate(ops);
return v->size();
}
static Sint64 SDL_RWopsSeek(SDL_RWops *, Sint64, int)
{
/* No need for implementation */
return -1;
}
static size_t SDL_RWopsRead(SDL_RWops *, void *, size_t, size_t)
{
/* No need for implementation */
return 0;
}
static size_t SDL_RWopsWrite(SDL_RWops *ops, const void *buffer, size_t size, size_t num)
{
ByteVec *v = getRWPrivate(ops);
size_t writeBytes = size * num;
if (writeBytes == 1)
{
char byte = *static_cast<const char*>(buffer);
v->append(byte);
return 1;
}
size_t writeInd = v->size();
v->resize(writeInd + writeBytes);
memcpy(&(*v)[writeInd], buffer, writeBytes);
return num;
}
static int SDL_RWopsClose(SDL_RWops *ops)
{
ByteVec *v = getRWPrivate(ops);
delete v;
return 0;
}
void RWMemOpen(SDL_RWops *ops)
{
ByteVec *v = new ByteVec;
ops->hidden.unknown.data1 = v;
ops->size = SDL_RWopsSize;
ops->seek = SDL_RWopsSeek;
ops->read = SDL_RWopsRead;
ops->write = SDL_RWopsWrite;
ops->close = SDL_RWopsClose;
}
int RWMemGetData(SDL_RWops *ops, void *buffer)
{
ByteVec *v = getRWPrivate(ops);
if (buffer)
memcpy(buffer, v->constData(), v->size());
return v->size();
}