Apple-2-Tools/apple2_prodos_utils
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WIP: Extract()

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Michaelangel007 2017-11-07 07:48:15 -08:00
parent 166a14fd74
commit 9eba0fe621
1 changed files with 69 additions and 4 deletions
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67
prodos.tools.cpp
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@ -2,6 +2,7 @@
#define DEBUG_BITMAP 0 #define DEBUG_BITMAP 0
#define DEBUG_DATE 0 #define DEBUG_DATE 0
#define DEBUG_DIR 0 #define DEBUG_DIR 0
#define DEBUG_EXTRACT 0
#define DEBUG_FILE 0 // File Entry #define DEBUG_FILE 0 // File Entry
#define DEBUG_FIND_FILE 0 #define DEBUG_FIND_FILE 0
#define DEBUG_FREE 0 // Free Blocks #define DEBUG_FREE 0 // Free Blocks
@ -284,8 +285,8 @@ if( block == PRODOS_ROOT_BLOCK )
int gnLastDirBlock = 0; int gnLastDirBlock = 0;
char gpLastDirName[ 16 ]; char gpLastDirName[ 16 ];
int gnLastDirMaxFiles = 0; int gnLastDirMaxFiles = 0;
ProDOS_FileHeader_t gtLastDirFile;
ProDOS_VolumeHeader_t gVolume; ProDOS_VolumeHeader_t gVolume;
ProDOS_FileHeader_t gEntry; // Default fields for cp ProDOS_FileHeader_t gEntry; // Default fields for cp
@ -555,8 +556,10 @@ int prodos_FindFile( ProDOS_VolumeHeader_t *volume, const char *path, int base =
gnLastDirBlock = file.inode; gnLastDirBlock = file.inode;
gnLastDirMaxFiles = file.size / volume->entry_num; gnLastDirMaxFiles = file.size / volume->entry_num;
gtLastDirFile = file;
#if DEBUG_FIND_FILE #if DEBUG_FIND_FILE
prodos_DumpFileHeader( gtLastDirFile );
printf( "***\n" ); printf( "***\n" );
printf( " DIR -> %04X\n", addr ); printf( " DIR -> %04X\n", addr );
printf( " path -> %s\n" , next ); printf( " path -> %s\n" , next );
@ -595,6 +598,9 @@ int prodos_BlockGetPath( const char *path )
int nDirBlocks = prodos_BlockGetDirectoryCount( offset ); int nDirBlocks = prodos_BlockGetDirectoryCount( offset );
gnLastDirMaxFiles = nDirBlocks * gVolume.entry_num; gnLastDirMaxFiles = nDirBlocks * gVolume.entry_num;
memset( &gtLastDirFile, 0, sizeof( gtLastDirFile ) );
#if DEBUG_PATH #if DEBUG_PATH
printf( "Directory Entry Bytes : $%04X\n", gVolume.entry_len ); printf( "Directory Entry Bytes : $%04X\n", gVolume.entry_len );
printf( "Directory Entries/Block: %d\n" , gVolume.entry_num ); printf( "Directory Entries/Block: %d\n" , gVolume.entry_num );
@ -1291,6 +1297,65 @@ void ProDOS_FileDelete( const char *path )
} }
// Copy a file from the virtual file system back to the host
// ProDOS attributes are saved in file.prodos_meta
// ========================================================================
void ProDOS_FileExtract( const char *path )
{
int base = prodos_BlockGetPath( path );
int offset = base + 4; // skip prev,next block pointers
#if DEBUG_FILE
printf( "DEBUG: EXTRACT: path: %s\n", path );
printf( "DEBUG: EXTRACT: Dir @ %04X\n", base );
prodos_DumpFileHeader( gtLastDirFile );
#endif
#if 0
#if DEBUG_EXTRACT
printf( "DEBUG: CATALOG: Dir @ %04X\n", base );
#endif
if( !base )
{
if( path )
printf( "ERROR: Couldn't find directory: %s\n", path );
return false;
}
int prev_block = 0;
int next_block = 0;
do
{
prev_block = DskGet16( base + 0 );
next_block = DskGet16( base + 2 );
for( int iFile = 0; iFile < gVolume.entry_num; iFile++ )
{
ProDOS_VolumeHeader_t dir;
ProDOS_FileHeader_t file;
prodos_GetFileHeader( offset, &file );
if( (file.len == 0) || (file.name[0] == 0) )
goto next_file;
if( file.kind == ProDOS_KIND_ROOT ) // Skip root Volume name entry
goto next_file;
next_file:
offset += gVolume.entry_len;
}
base = next_block * PRODOS_BLOCK_SIZE;
offset = base + 4; // skip prev,next block pointers
} while( next_block );
#endif
}
// TODO: ProDOS_VolumeHeader_t *config // TODO: ProDOS_VolumeHeader_t *config
// ======================================================================== // ========================================================================
void ProDOS_Init( const char *path ) void ProDOS_Init( const char *path )