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#ifndef __ARCHIVE_HH
#define __ARCHIVE_HH
/**
*
* Tennix Archive File Format
* Copyright (C) 2009-2010 Thomas Perl <thp@thpinfo.com>
*
* 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 <iostream>
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#define TENNIX_ARCHIVE_HEADER "thpinfo.com/2009/tennix/afmt "
#define TENNIX_ARCHIVE_HEADER_LEN 30
#define TENNIX_ARCHIVE_VERSIONMAJOR 1
#define TENNIX_ARCHIVE_VERSIONMINOR 0
#define TENNIX_ARCHIVE_ITEM_MAXNAME 86
/* architecture-independent (in-file) structs */
struct _TennixArchiveItem {
char filename[TENNIX_ARCHIVE_ITEM_MAXNAME];
uint32_t offset; /* network byte order */
uint32_t length; /* network byte order */
uint8_t key;
};
typedef struct _TennixArchiveItem TennixArchiveItem;
std::ostream&
operator<<(std::ostream& out, TennixArchiveItem& item);
struct _TennixArchiveHeader {
char header[TENNIX_ARCHIVE_HEADER_LEN];
uint8_t versionmajor; /* major file version */
uint8_t versionminor; /* minor file version */
uint8_t key;
uint8_t items; /* maximum 255 files per archive */
};
typedef struct _TennixArchiveHeader TennixArchiveHeader;
std::ostream&
operator<<(std::ostream& out, TennixArchiveHeader& header);
class TennixArchive {
private:
FILE* fp;
TennixArchiveHeader header;
TennixArchiveItem* items;
char** blobs;
size_t offset;
int current_item;
int building;
static void xormem(char* mem, uint32_t length, char key);
public:
TennixArchive() {
strcpy(header.header, TENNIX_ARCHIVE_HEADER);
header.items = 0;
building = 1;
fp = NULL;
}
TennixArchive(const char* filename, const char* fallback=NULL);
~TennixArchive() {
if (fp != NULL) {
fclose(fp);
}
free(items);
}
int setItemFilename(const char* filename);
const char* getItemFilename() {
return items[current_item].filename;
}
char* getItemBytes();
size_t getItemSize() {
return items[current_item].length;
}
int endOfFile() {
return current_item >= header.items;
}
void next() {
current_item++;
}
/* only for building/utility mode: */
void appendItem(char* filename, char* data, uint32_t length);
void buildFile(char* filename);
friend std::ostream& operator<<(std::ostream& out, TennixArchive& archive);
};
/* Used for dumping the contents of a TennixArchive */
std::ostream&
operator<<(std::ostream& out, TennixArchive& archive);
#endif
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