Files
VirtualC64-Core/C64/Container.cpp
T
2015-11-18 00:34:41 -06:00

171 lines
3.4 KiB
C++
Executable File

/*
* (C) 2010 Dirk W. Hoffmann. All rights reserved.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "Container.h"
Container::Container()
{
path = NULL;
memset(name, 0, sizeof(name));
}
Container::~Container()
{
if (path)
free(path);
}
ContainerType
Container::typeOf(const char *extension)
{
if (strcmp(extension, "CRT") == 0) return CRT_CONTAINER;
if (strcmp(extension, "T64") == 0) return T64_CONTAINER;
if (strcmp(extension, "D64") == 0) return D64_CONTAINER;
if (strcmp(extension, "PRG") == 0) return PRG_CONTAINER;
if (strcmp(extension, "P00") == 0) return P00_CONTAINER;
if (strcmp(extension, "G64") == 0) return G64_CONTAINER;
if (strcmp(extension, "TAP") == 0) return TAP_CONTAINER;
return (ContainerType)0;
}
void
Container::setPath(const char *str)
{
if (path)
free(path);
path = strdup(str);
}
void
Container::setName(const char *str)
{
strncpy(name, str, sizeof(name));
name[255] = 0;
}
bool
Container::readFromFile(const char *filename)
{
bool success = false;
uint8_t *buffer = NULL;
FILE *file = NULL;
struct stat fileProperties;
assert (filename != NULL);
// Check file type
if (!fileIsValid(filename)) {
goto exit;
}
// Get file properties
if (stat(filename, &fileProperties) != 0) {
goto exit;
}
// Open file
if (!(file = fopen(filename, "r"))) {
goto exit;
}
// Allocate memory
if (!(buffer = (uint8_t *)malloc(fileProperties.st_size))) {
goto exit;
}
// Read from file
int c;
for (unsigned i = 0; i < fileProperties.st_size; i++) {
c = fgetc(file);
if (c == EOF)
break;
buffer[i] = (uint8_t)c;
}
// Read from buffer (subclass specific behaviour)
dealloc();
if (!readFromBuffer(buffer, fileProperties.st_size)) {
goto exit;
}
// Set path and default name
setPath(filename);
setName(ChangeExtension(ExtractFilename(getPath()), "").c_str());
fprintf(stderr, "Container %s (%s) read successfully from file %s\n", name, getName(), path);
success = true;
exit:
if (file)
fclose(file);
if (buffer)
free(buffer);
return success;
}
unsigned
Container::writeToBuffer(uint8_t *buffer)
{
return 0;
}
bool
Container::writeToFile(const char *filename)
{
bool success = false;
uint8_t *data = NULL;
FILE *file;
unsigned filesize = writeToBuffer(NULL);
assert (filename != NULL);
// Open file
if (!(file = fopen(filename, "w"))) {
goto exit;
}
// Allocate memory
if (!(data = (uint8_t *)malloc(filesize))) {
goto exit;
}
// Write to buffer
if (!writeToBuffer(data)) {
goto exit;
}
// Write to file
for (unsigned i = 0; i < filesize; i++) {
fputc(data[i], file);
}
success = true;
exit:
if (file)
fclose(file);
if (data)
free(data);
return success;
}