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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2014 Franklin Wei, Benjamin Brown
* Copyright (C) 2004 Gregory Montoir
*
* 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 software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
***************************************************************************/
#include "serializer.h"
#include "file.h"
void ser_create(struct Serializer* c, File *stream, enum Mode mode, uint8_t *ptrBlock, uint16_t saveVer)
{
c->_stream = stream;
c->_mode = mode;
c->_ptrBlock = ptrBlock;
c->_saveVer = saveVer;
}
void ser_saveOrLoadEntries(struct Serializer* c, struct Entry *entry) {
debug(DBG_SER, "ser_saveOrLoadEntries() _mode=%d", c->_mode);
c->_bytesCount = 0;
switch (c->_mode) {
case SM_SAVE:
ser_saveEntries(c, entry);
break;
case SM_LOAD:
ser_loadEntries(c, entry);
break;
}
debug(DBG_SER, "ser_saveOrLoadEntries() _bytesCount=%d", c->_bytesCount);
}
void ser_saveEntries(struct Serializer* c, struct Entry *entry) {
debug(DBG_SER, "ser_saveEntries()");
for (; entry->type != SET_END; ++entry) {
if (entry->maxVer == CUR_VER) {
switch (entry->type) {
case SET_INT:
ser_saveInt(c, entry->size, entry->data);
c->_bytesCount += entry->size;
break;
case SET_ARRAY:
if (entry->size == SES_INT8) {
file_write(c->_stream, entry->data, entry->n);
c->_bytesCount += entry->n;
} else {
uint8_t *p = (uint8_t *)entry->data;
for (int i = 0; i < entry->n; ++i) {
ser_saveInt(c, entry->size, p);
p += entry->size;
c->_bytesCount += entry->size;
}
}
break;
case SET_PTR:
file_writeUint32BE(c->_stream, *(uint8_t **)(entry->data) - c->_ptrBlock);
c->_bytesCount += 4;
break;
case SET_END:
break;
}
}
}
}
void ser_loadEntries(struct Serializer* c, struct Entry *entry) {
debug(DBG_SER, "ser_loadEntries()");
for (; entry->type != SET_END; ++entry) {
if (c->_saveVer >= entry->minVer && c->_saveVer <= entry->maxVer) {
switch (entry->type) {
case SET_INT:
ser_loadInt(c, entry->size, entry->data);
c->_bytesCount += entry->size;
break;
case SET_ARRAY:
if (entry->size == SES_INT8) {
file_read(c->_stream, entry->data, entry->n);
c->_bytesCount += entry->n;
} else {
uint8_t *p = (uint8_t *)entry->data;
for (int i = 0; i < entry->n; ++i) {
ser_loadInt(c, entry->size, p);
p += entry->size;
c->_bytesCount += entry->size;
}
}
break;
case SET_PTR:
*(uint8_t **)(entry->data) = c->_ptrBlock + file_readUint32BE(c->_stream);
c->_bytesCount += 4;
break;
case SET_END:
break;
}
}
}
}
void ser_saveInt(struct Serializer* c, uint8_t es, void *p) {
switch (es) {
case 1:
file_writeByte(c->_stream, *(uint8_t *)p);
break;
case 2:
file_writeUint16BE(c->_stream, *(uint16_t *)p);
break;
case 4:
file_writeUint32BE(c->_stream, *(uint32_t *)p);
break;
}
}
void ser_loadInt(struct Serializer* c, uint8_t es, void *p) {
switch (es) {
case 1:
*(uint8_t *)p = file_readByte(c->_stream);
break;
case 2:
*(uint16_t *)p = file_readUint16BE(c->_stream);
break;
case 4:
*(uint32_t *)p = file_readUint32BE(c->_stream);
break;
}
}
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