Moved QPAK support into archiver_unpacked.c
More dupe code removal, and more functional generic backend code!
This commit is contained in:
parent
a688d5c686
commit
0360899357
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@ -34,206 +34,36 @@
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#if PHYSFS_SUPPORTS_QPAK
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/* !!! FIXME: what is this here for? */
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#if 1 /* Make this case insensitive? */
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#define QPAK_strcmp(x, y) __PHYSFS_stricmpASCII(x, y)
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#define QPAK_strncmp(x, y, z) __PHYSFS_strnicmpASCII(x, y, z)
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#else
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#define QPAK_strcmp(x, y) strcmp(x, y)
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#define QPAK_strncmp(x, y, z) strncmp(x, y, z)
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#endif
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#define QPAK_SIG 0x4B434150 /* "PACK" in ASCII. */
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typedef struct
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static UNPKentry *qpakLoadEntries(PHYSFS_Io *io, PHYSFS_uint32 fileCount)
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{
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char name[56];
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PHYSFS_uint32 startPos;
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PHYSFS_uint32 size;
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} QPAKentry;
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UNPKentry *entries = NULL;
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UNPKentry *entry = NULL;
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typedef struct
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{
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PHYSFS_Io *io;
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PHYSFS_uint32 entryCount;
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QPAKentry *entries;
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} QPAKinfo;
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entries = (UNPKentry *) allocator.Malloc(sizeof (UNPKentry) * fileCount);
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BAIL_IF_MACRO(entries == NULL, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
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typedef struct
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{
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PHYSFS_Io *io;
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QPAKentry *entry;
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PHYSFS_uint32 curPos;
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} QPAKfileinfo;
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/* Magic numbers... */
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#define QPAK_SIG 0x4b434150 /* "PACK" in ASCII. */
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static void QPAK_dirClose(dvoid *opaque)
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{
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QPAKinfo *info = ((QPAKinfo *) opaque);
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info->io->destroy(info->io);
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allocator.Free(info->entries);
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allocator.Free(info);
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} /* QPAK_dirClose */
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static PHYSFS_sint64 QPAK_read(PHYSFS_Io *io, void *buffer, PHYSFS_uint64 len)
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{
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QPAKfileinfo *finfo = (QPAKfileinfo *) io->opaque;
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const QPAKentry *entry = finfo->entry;
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const PHYSFS_uint64 bytesLeft = (PHYSFS_uint64)(entry->size-finfo->curPos);
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PHYSFS_sint64 rc;
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if (bytesLeft < len)
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len = bytesLeft;
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rc = finfo->io->read(finfo->io, buffer, len);
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if (rc > 0)
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finfo->curPos += (PHYSFS_uint32) rc;
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return rc;
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} /* QPAK_read */
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static PHYSFS_sint64 QPAK_write(PHYSFS_Io *io, const void *b, PHYSFS_uint64 len)
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{
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BAIL_MACRO(PHYSFS_ERR_READ_ONLY, -1);
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} /* QPAK_write */
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static PHYSFS_sint64 QPAK_tell(PHYSFS_Io *io)
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{
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return ((QPAKfileinfo *) io->opaque)->curPos;
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} /* QPAK_tell */
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static int QPAK_seek(PHYSFS_Io *io, PHYSFS_uint64 offset)
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{
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QPAKfileinfo *finfo = (QPAKfileinfo *) io->opaque;
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const QPAKentry *entry = finfo->entry;
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int rc;
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BAIL_IF_MACRO(offset >= entry->size, PHYSFS_ERR_PAST_EOF, 0);
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rc = finfo->io->seek(finfo->io, entry->startPos + offset);
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if (rc)
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finfo->curPos = (PHYSFS_uint32) offset;
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return rc;
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} /* QPAK_seek */
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static PHYSFS_sint64 QPAK_length(PHYSFS_Io *io)
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{
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const QPAKfileinfo *finfo = (QPAKfileinfo *) io->opaque;
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return ((PHYSFS_sint64) finfo->entry->size);
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} /* QPAK_length */
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static PHYSFS_Io *QPAK_duplicate(PHYSFS_Io *_io)
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{
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QPAKfileinfo *origfinfo = (QPAKfileinfo *) _io->opaque;
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PHYSFS_Io *io = NULL;
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PHYSFS_Io *retval = (PHYSFS_Io *) allocator.Malloc(sizeof (PHYSFS_Io));
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QPAKfileinfo *finfo = (QPAKfileinfo *) allocator.Malloc(sizeof (QPAKfileinfo));
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GOTO_IF_MACRO(!retval, PHYSFS_ERR_OUT_OF_MEMORY, QPAK_duplicate_failed);
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GOTO_IF_MACRO(!finfo, PHYSFS_ERR_OUT_OF_MEMORY, QPAK_duplicate_failed);
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io = origfinfo->io->duplicate(origfinfo->io);
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GOTO_IF_MACRO(!io, ERRPASS, QPAK_duplicate_failed);
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finfo->io = io;
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finfo->entry = origfinfo->entry;
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finfo->curPos = 0;
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memcpy(retval, _io, sizeof (PHYSFS_Io));
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retval->opaque = finfo;
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return retval;
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QPAK_duplicate_failed:
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if (finfo != NULL) allocator.Free(finfo);
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if (retval != NULL) allocator.Free(retval);
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if (io != NULL) io->destroy(io);
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return NULL;
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} /* QPAK_duplicate */
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static int QPAK_flush(PHYSFS_Io *io) { return 1; /* no write support. */ }
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static void QPAK_destroy(PHYSFS_Io *io)
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{
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QPAKfileinfo *finfo = (QPAKfileinfo *) io->opaque;
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finfo->io->destroy(finfo->io);
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allocator.Free(finfo);
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allocator.Free(io);
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} /* QPAK_destroy */
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static const PHYSFS_Io QPAK_Io =
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{
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QPAK_read,
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QPAK_write,
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QPAK_seek,
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QPAK_tell,
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QPAK_length,
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QPAK_duplicate,
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QPAK_flush,
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QPAK_destroy,
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NULL
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};
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static int qpakEntryCmp(void *_a, PHYSFS_uint32 one, PHYSFS_uint32 two)
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{
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if (one != two)
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for (entry = entries; fileCount > 0; fileCount--, entry++)
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{
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const QPAKentry *a = (const QPAKentry *) _a;
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return QPAK_strcmp(a[one].name, a[two].name);
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} /* if */
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return 0;
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} /* qpakEntryCmp */
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static void qpakEntrySwap(void *_a, PHYSFS_uint32 one, PHYSFS_uint32 two)
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{
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if (one != two)
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{
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QPAKentry tmp;
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QPAKentry *first = &(((QPAKentry *) _a)[one]);
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QPAKentry *second = &(((QPAKentry *) _a)[two]);
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memcpy(&tmp, first, sizeof (QPAKentry));
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memcpy(first, second, sizeof (QPAKentry));
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memcpy(second, &tmp, sizeof (QPAKentry));
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} /* if */
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} /* qpakEntrySwap */
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static int qpak_load_entries(QPAKinfo *info)
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{
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PHYSFS_Io *io = info->io;
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PHYSFS_uint32 fileCount = info->entryCount;
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QPAKentry *entry;
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info->entries = (QPAKentry*) allocator.Malloc(sizeof(QPAKentry)*fileCount);
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BAIL_IF_MACRO(info->entries == NULL, PHYSFS_ERR_OUT_OF_MEMORY, 0);
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for (entry = info->entries; fileCount > 0; fileCount--, entry++)
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{
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BAIL_IF_MACRO(!__PHYSFS_readAll(io, &entry->name, 56), ERRPASS, 0);
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BAIL_IF_MACRO(!__PHYSFS_readAll(io, &entry->startPos, 4), ERRPASS, 0);
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BAIL_IF_MACRO(!__PHYSFS_readAll(io, &entry->size, 4), ERRPASS, 0);
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if (!__PHYSFS_readAll(io, &entry->name, 56)) goto failed;
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if (!__PHYSFS_readAll(io, &entry->startPos, 4)) goto failed;
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if (!__PHYSFS_readAll(io, &entry->size, 4)) goto failed;
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entry->size = PHYSFS_swapULE32(entry->size);
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entry->startPos = PHYSFS_swapULE32(entry->startPos);
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} /* for */
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__PHYSFS_sort(info->entries, info->entryCount, qpakEntryCmp, qpakEntrySwap);
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return 1;
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} /* qpak_load_entries */
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return entries;
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failed:
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allocator.Free(entries);
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return NULL;
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} /* qpakLoadEntries */
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static void *QPAK_openArchive(PHYSFS_Io *io, const char *name, int forWriting)
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{
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QPAKinfo *info = NULL;
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UNPKentry *entries = NULL;
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PHYSFS_uint32 val = 0;
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PHYSFS_uint32 pos = 0;
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PHYSFS_uint32 count = 0;
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BAIL_IF_MACRO(!io->seek(io, pos), ERRPASS, NULL);
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info = (QPAKinfo *) allocator.Malloc(sizeof (QPAKinfo));
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BAIL_IF_MACRO(info == NULL, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
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memset(info, '\0', sizeof (QPAKinfo));
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info->io = io;
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info->entryCount = count;
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if (!qpak_load_entries(info))
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{
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if (info->entries != NULL)
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allocator.Free(info->entries);
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allocator.Free(info);
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return NULL;
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} /* if */
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return info;
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entries = qpakLoadEntries(io, count);
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BAIL_IF_MACRO(!entries, ERRPASS, NULL);
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return UNPK_openArchive(io, entries, count);
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} /* QPAK_openArchive */
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static PHYSFS_sint32 qpak_find_start_of_dir(QPAKinfo *info, const char *path,
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int stop_on_first_find)
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{
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PHYSFS_sint32 lo = 0;
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PHYSFS_sint32 hi = (PHYSFS_sint32) (info->entryCount - 1);
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PHYSFS_sint32 middle;
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PHYSFS_uint32 dlen = (PHYSFS_uint32) strlen(path);
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PHYSFS_sint32 retval = -1;
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const char *name;
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int rc;
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if (*path == '\0') /* root dir? */
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return 0;
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if ((dlen > 0) && (path[dlen - 1] == '/')) /* ignore trailing slash. */
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dlen--;
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while (lo <= hi)
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{
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middle = lo + ((hi - lo) / 2);
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name = info->entries[middle].name;
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rc = QPAK_strncmp(path, name, dlen);
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if (rc == 0)
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{
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char ch = name[dlen];
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if (ch < '/') /* make sure this isn't just a substr match. */
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rc = -1;
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else if (ch > '/')
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rc = 1;
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else
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{
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if (stop_on_first_find) /* Just checking dir's existance? */
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return middle;
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if (name[dlen + 1] == '\0') /* Skip initial dir entry. */
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return (middle + 1);
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/* there might be more entries earlier in the list. */
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retval = middle;
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hi = middle - 1;
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} /* else */
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} /* if */
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if (rc > 0)
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lo = middle + 1;
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else
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hi = middle - 1;
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} /* while */
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return retval;
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} /* qpak_find_start_of_dir */
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/*
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* Moved to seperate function so we can use alloca then immediately throw
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* away the allocated stack space...
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*/
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static void doEnumCallback(PHYSFS_EnumFilesCallback cb, void *callbackdata,
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const char *odir, const char *str, PHYSFS_sint32 ln)
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{
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char *newstr = __PHYSFS_smallAlloc(ln + 1);
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if (newstr == NULL)
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return;
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memcpy(newstr, str, ln);
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newstr[ln] = '\0';
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cb(callbackdata, odir, newstr);
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__PHYSFS_smallFree(newstr);
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} /* doEnumCallback */
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static void QPAK_enumerateFiles(dvoid *opaque, const char *dname,
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int omitSymLinks, PHYSFS_EnumFilesCallback cb,
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const char *origdir, void *callbackdata)
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{
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QPAKinfo *info = ((QPAKinfo *) opaque);
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PHYSFS_sint32 dlen, dlen_inc, max, i;
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i = qpak_find_start_of_dir(info, dname, 0);
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if (i == -1) /* no such directory. */
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return;
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dlen = (PHYSFS_sint32) strlen(dname);
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if ((dlen > 0) && (dname[dlen - 1] == '/')) /* ignore trailing slash. */
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dlen--;
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dlen_inc = ((dlen > 0) ? 1 : 0) + dlen;
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max = (PHYSFS_sint32) info->entryCount;
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while (i < max)
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{
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char *add;
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char *ptr;
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PHYSFS_sint32 ln;
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char *e = info->entries[i].name;
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if ((dlen) && ((QPAK_strncmp(e, dname, dlen)) || (e[dlen] != '/')))
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break; /* past end of this dir; we're done. */
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add = e + dlen_inc;
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ptr = strchr(add, '/');
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ln = (PHYSFS_sint32) ((ptr) ? ptr-add : strlen(add));
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doEnumCallback(cb, callbackdata, origdir, add, ln);
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ln += dlen_inc; /* point past entry to children... */
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/* increment counter and skip children of subdirs... */
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while ((++i < max) && (ptr != NULL))
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{
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char *e_new = info->entries[i].name;
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if ((QPAK_strncmp(e, e_new, ln) != 0) || (e_new[ln] != '/'))
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break;
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} /* while */
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} /* while */
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} /* QPAK_enumerateFiles */
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/*
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* This will find the QPAKentry associated with a path in platform-independent
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* notation. Directories don't have QPAKentries associated with them, but
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* (*isDir) will be set to non-zero if a dir was hit.
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*/
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static QPAKentry *qpak_find_entry(const QPAKinfo *info, const char *path,
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int *isDir)
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{
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QPAKentry *a = info->entries;
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PHYSFS_sint32 pathlen = (PHYSFS_sint32) strlen(path);
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PHYSFS_sint32 lo = 0;
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PHYSFS_sint32 hi = (PHYSFS_sint32) (info->entryCount - 1);
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PHYSFS_sint32 middle;
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const char *thispath = NULL;
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int rc;
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while (lo <= hi)
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{
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middle = lo + ((hi - lo) / 2);
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thispath = a[middle].name;
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rc = QPAK_strncmp(path, thispath, pathlen);
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if (rc > 0)
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lo = middle + 1;
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else if (rc < 0)
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hi = middle - 1;
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else /* substring match...might be dir or entry or nothing. */
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{
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if (isDir != NULL)
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{
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*isDir = (thispath[pathlen] == '/');
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if (*isDir)
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return NULL;
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} /* if */
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if (thispath[pathlen] == '\0') /* found entry? */
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return &a[middle];
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/* adjust search params, try again. */
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else if (thispath[pathlen] > '/')
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hi = middle - 1;
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else
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lo = middle + 1;
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} /* if */
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} /* while */
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if (isDir != NULL)
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*isDir = 0;
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BAIL_MACRO(PHYSFS_ERR_NO_SUCH_PATH, NULL);
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} /* qpak_find_entry */
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static PHYSFS_Io *QPAK_openRead(dvoid *opaque, const char *fnm, int *fileExists)
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{
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PHYSFS_Io *io = NULL;
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QPAKinfo *info = ((QPAKinfo *) opaque);
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QPAKfileinfo *finfo;
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QPAKentry *entry;
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int isDir;
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entry = qpak_find_entry(info, fnm, &isDir);
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*fileExists = ((entry != NULL) || (isDir));
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BAIL_IF_MACRO(isDir, PHYSFS_ERR_NOT_A_FILE, NULL);
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BAIL_IF_MACRO(entry == NULL, PHYSFS_ERR_NO_SUCH_PATH, NULL);
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finfo = (QPAKfileinfo *) allocator.Malloc(sizeof (QPAKfileinfo));
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BAIL_IF_MACRO(finfo == NULL, PHYSFS_ERR_OUT_OF_MEMORY, NULL);
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finfo->io = info->io->duplicate(info->io);
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GOTO_IF_MACRO(finfo->io == NULL, ERRPASS, QPAK_openRead_failed);
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if (!finfo->io->seek(finfo->io, entry->startPos))
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goto QPAK_openRead_failed;
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finfo->curPos = 0;
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finfo->entry = entry;
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io = (PHYSFS_Io *) allocator.Malloc(sizeof (PHYSFS_Io));
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GOTO_IF_MACRO(io == NULL, PHYSFS_ERR_OUT_OF_MEMORY, QPAK_openRead_failed);
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memcpy(io, &QPAK_Io, sizeof (PHYSFS_Io));
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io->opaque = finfo;
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return io;
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QPAK_openRead_failed:
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if (finfo != NULL)
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{
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if (finfo->io != NULL)
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finfo->io->destroy(finfo->io);
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allocator.Free(finfo);
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} /* if */
|
||||
|
||||
if (io != NULL)
|
||||
allocator.Free(io);
|
||||
|
||||
return NULL;
|
||||
} /* QPAK_openRead */
|
||||
|
||||
|
||||
static PHYSFS_Io *QPAK_openWrite(dvoid *opaque, const char *name)
|
||||
{
|
||||
BAIL_MACRO(PHYSFS_ERR_READ_ONLY, NULL);
|
||||
} /* QPAK_openWrite */
|
||||
|
||||
|
||||
static PHYSFS_Io *QPAK_openAppend(dvoid *opaque, const char *name)
|
||||
{
|
||||
BAIL_MACRO(PHYSFS_ERR_READ_ONLY, NULL);
|
||||
} /* QPAK_openAppend */
|
||||
|
||||
|
||||
static int QPAK_remove(dvoid *opaque, const char *name)
|
||||
{
|
||||
BAIL_MACRO(PHYSFS_ERR_READ_ONLY, 0);
|
||||
} /* QPAK_remove */
|
||||
|
||||
|
||||
static int QPAK_mkdir(dvoid *opaque, const char *name)
|
||||
{
|
||||
BAIL_MACRO(PHYSFS_ERR_READ_ONLY, 0);
|
||||
} /* QPAK_mkdir */
|
||||
|
||||
|
||||
static int QPAK_stat(dvoid *opaque, const char *filename, int *exists,
|
||||
PHYSFS_Stat *stat)
|
||||
{
|
||||
int isDir = 0;
|
||||
const QPAKinfo *info = (const QPAKinfo *) opaque;
|
||||
const QPAKentry *entry = qpak_find_entry(info, filename, &isDir);
|
||||
|
||||
if (isDir)
|
||||
{
|
||||
*exists = 1;
|
||||
stat->filetype = PHYSFS_FILETYPE_DIRECTORY;
|
||||
stat->filesize = 0;
|
||||
} /* if */
|
||||
else if (entry != NULL)
|
||||
{
|
||||
*exists = 1;
|
||||
stat->filetype = PHYSFS_FILETYPE_REGULAR;
|
||||
stat->filesize = entry->size;
|
||||
} /* else if */
|
||||
else
|
||||
{
|
||||
*exists = 0;
|
||||
return 0;
|
||||
} /* else */
|
||||
|
||||
stat->modtime = -1;
|
||||
stat->createtime = -1;
|
||||
stat->accesstime = -1;
|
||||
stat->readonly = 1;
|
||||
|
||||
return 1;
|
||||
} /* QPAK_stat */
|
||||
|
||||
|
||||
const PHYSFS_ArchiveInfo __PHYSFS_ArchiveInfo_QPAK =
|
||||
{
|
||||
"PAK",
|
||||
|
@ -555,19 +102,18 @@ const PHYSFS_ArchiveInfo __PHYSFS_ArchiveInfo_QPAK =
|
|||
"http://icculus.org/physfs/",
|
||||
};
|
||||
|
||||
|
||||
const PHYSFS_Archiver __PHYSFS_Archiver_QPAK =
|
||||
{
|
||||
&__PHYSFS_ArchiveInfo_QPAK,
|
||||
QPAK_openArchive, /* openArchive() method */
|
||||
QPAK_enumerateFiles, /* enumerateFiles() method */
|
||||
QPAK_openRead, /* openRead() method */
|
||||
QPAK_openWrite, /* openWrite() method */
|
||||
QPAK_openAppend, /* openAppend() method */
|
||||
QPAK_remove, /* remove() method */
|
||||
QPAK_mkdir, /* mkdir() method */
|
||||
QPAK_dirClose, /* dirClose() method */
|
||||
QPAK_stat /* stat() method */
|
||||
QPAK_openArchive, /* openArchive() method */
|
||||
UNPK_enumerateFiles, /* enumerateFiles() method */
|
||||
UNPK_openRead, /* openRead() method */
|
||||
UNPK_openWrite, /* openWrite() method */
|
||||
UNPK_openAppend, /* openAppend() method */
|
||||
UNPK_remove, /* remove() method */
|
||||
UNPK_mkdir, /* mkdir() method */
|
||||
UNPK_dirClose, /* dirClose() method */
|
||||
UNPK_stat /* stat() method */
|
||||
};
|
||||
|
||||
#endif /* defined PHYSFS_SUPPORTS_QPAK */
|
||||
|
|
|
@ -5,9 +5,10 @@
|
|||
* formats that can just hand back a list of files and the offsets of their
|
||||
* uncompressed data. There are an alarming number of formats like this.
|
||||
*
|
||||
* RULES: Archive entries must be uncompressed, must not have subdirs,
|
||||
* must be case insensitive filenames < 32 chars. We can relax some of these
|
||||
* rules as necessary.
|
||||
* RULES: Archive entries must be uncompressed, must not have separate subdir
|
||||
* entries (but can have subdirs), must be case insensitive LOW ASCII
|
||||
* filenames <= 56 bytes. No symlinks, etc. We can relax some of these rules
|
||||
* as necessary.
|
||||
*
|
||||
* Please see the file LICENSE.txt in the source's root directory.
|
||||
*
|
||||
|
@ -149,7 +150,7 @@ static int entryCmp(void *_a, PHYSFS_uint32 one, PHYSFS_uint32 two)
|
|||
if (one != two)
|
||||
{
|
||||
const UNPKentry *a = (const UNPKentry *) _a;
|
||||
return strcmp(a[one].name, a[two].name);
|
||||
return __PHYSFS_stricmpASCII(a[one].name, a[two].name);
|
||||
} /* if */
|
||||
|
||||
return 0;
|
||||
|
@ -170,44 +171,175 @@ static void entrySwap(void *_a, PHYSFS_uint32 one, PHYSFS_uint32 two)
|
|||
} /* entrySwap */
|
||||
|
||||
|
||||
void UNPK_enumerateFiles(dvoid *opaque, const char *dname,
|
||||
int omitSymLinks, PHYSFS_EnumFilesCallback cb,
|
||||
const char *origdir, void *callbackdata)
|
||||
static PHYSFS_sint32 findStartOfDir(UNPKinfo *info, const char *path,
|
||||
int stop_on_first_find)
|
||||
{
|
||||
/* no directories in UNPK files. */
|
||||
if (*dname == '\0')
|
||||
{
|
||||
UNPKinfo *info = (UNPKinfo *) opaque;
|
||||
UNPKentry *entry = info->entries;
|
||||
PHYSFS_uint32 max = info->entryCount;
|
||||
PHYSFS_uint32 i;
|
||||
|
||||
for (i = 0; i < max; i++, entry++)
|
||||
cb(callbackdata, origdir, entry->name);
|
||||
} /* if */
|
||||
} /* UNPK_enumerateFiles */
|
||||
|
||||
|
||||
static UNPKentry *findEntry(const UNPKinfo *info, const char *name)
|
||||
{
|
||||
UNPKentry *a = info->entries;
|
||||
PHYSFS_sint32 lo = 0;
|
||||
PHYSFS_sint32 hi = (PHYSFS_sint32) (info->entryCount - 1);
|
||||
PHYSFS_sint32 middle;
|
||||
PHYSFS_uint32 dlen = (PHYSFS_uint32) strlen(path);
|
||||
PHYSFS_sint32 retval = -1;
|
||||
const char *name;
|
||||
int rc;
|
||||
|
||||
if (*path == '\0') /* root dir? */
|
||||
return 0;
|
||||
|
||||
if ((dlen > 0) && (path[dlen - 1] == '/')) /* ignore trailing slash. */
|
||||
dlen--;
|
||||
|
||||
while (lo <= hi)
|
||||
{
|
||||
middle = lo + ((hi - lo) / 2);
|
||||
name = info->entries[middle].name;
|
||||
rc = __PHYSFS_strnicmpASCII(path, name, dlen);
|
||||
if (rc == 0)
|
||||
{
|
||||
char ch = name[dlen];
|
||||
if (ch < '/') /* make sure this isn't just a substr match. */
|
||||
rc = -1;
|
||||
else if (ch > '/')
|
||||
rc = 1;
|
||||
else
|
||||
{
|
||||
if (stop_on_first_find) /* Just checking dir's existance? */
|
||||
return middle;
|
||||
|
||||
if (name[dlen + 1] == '\0') /* Skip initial dir entry. */
|
||||
return (middle + 1);
|
||||
|
||||
/* there might be more entries earlier in the list. */
|
||||
retval = middle;
|
||||
hi = middle - 1;
|
||||
} /* else */
|
||||
} /* if */
|
||||
|
||||
if (rc > 0)
|
||||
lo = middle + 1;
|
||||
else
|
||||
hi = middle - 1;
|
||||
} /* while */
|
||||
|
||||
return retval;
|
||||
} /* findStartOfDir */
|
||||
|
||||
|
||||
/*
|
||||
* Moved to seperate function so we can use alloca then immediately throw
|
||||
* away the allocated stack space...
|
||||
*/
|
||||
static void doEnumCallback(PHYSFS_EnumFilesCallback cb, void *callbackdata,
|
||||
const char *odir, const char *str, PHYSFS_sint32 ln)
|
||||
{
|
||||
char *newstr = __PHYSFS_smallAlloc(ln + 1);
|
||||
if (newstr == NULL)
|
||||
return;
|
||||
|
||||
memcpy(newstr, str, ln);
|
||||
newstr[ln] = '\0';
|
||||
cb(callbackdata, odir, newstr);
|
||||
__PHYSFS_smallFree(newstr);
|
||||
} /* doEnumCallback */
|
||||
|
||||
|
||||
void UNPK_enumerateFiles(dvoid *opaque, const char *dname,
|
||||
int omitSymLinks, PHYSFS_EnumFilesCallback cb,
|
||||
const char *origdir, void *callbackdata)
|
||||
{
|
||||
UNPKinfo *info = ((UNPKinfo *) opaque);
|
||||
PHYSFS_sint32 dlen, dlen_inc, max, i;
|
||||
|
||||
i = findStartOfDir(info, dname, 0);
|
||||
if (i == -1) /* no such directory. */
|
||||
return;
|
||||
|
||||
dlen = (PHYSFS_sint32) strlen(dname);
|
||||
if ((dlen > 0) && (dname[dlen - 1] == '/')) /* ignore trailing slash. */
|
||||
dlen--;
|
||||
|
||||
dlen_inc = ((dlen > 0) ? 1 : 0) + dlen;
|
||||
max = (PHYSFS_sint32) info->entryCount;
|
||||
while (i < max)
|
||||
{
|
||||
char *add;
|
||||
char *ptr;
|
||||
PHYSFS_sint32 ln;
|
||||
char *e = info->entries[i].name;
|
||||
if ((dlen) &&
|
||||
((__PHYSFS_strnicmpASCII(e, dname, dlen)) || (e[dlen] != '/')))
|
||||
{
|
||||
break; /* past end of this dir; we're done. */
|
||||
} /* if */
|
||||
|
||||
add = e + dlen_inc;
|
||||
ptr = strchr(add, '/');
|
||||
ln = (PHYSFS_sint32) ((ptr) ? ptr-add : strlen(add));
|
||||
doEnumCallback(cb, callbackdata, origdir, add, ln);
|
||||
ln += dlen_inc; /* point past entry to children... */
|
||||
|
||||
/* increment counter and skip children of subdirs... */
|
||||
while ((++i < max) && (ptr != NULL))
|
||||
{
|
||||
char *e_new = info->entries[i].name;
|
||||
if ((__PHYSFS_strnicmpASCII(e, e_new, ln) != 0) ||
|
||||
(e_new[ln] != '/'))
|
||||
{
|
||||
break;
|
||||
} /* if */
|
||||
} /* while */
|
||||
} /* while */
|
||||
} /* UNPK_enumerateFiles */
|
||||
|
||||
|
||||
/*
|
||||
* This will find the UNPKentry associated with a path in platform-independent
|
||||
* notation. Directories don't have UNPKentries associated with them, but
|
||||
* (*isDir) will be set to non-zero if a dir was hit.
|
||||
*/
|
||||
static UNPKentry *findEntry(const UNPKinfo *info, const char *path, int *isDir)
|
||||
{
|
||||
UNPKentry *a = info->entries;
|
||||
PHYSFS_sint32 pathlen = (PHYSFS_sint32) strlen(path);
|
||||
PHYSFS_sint32 lo = 0;
|
||||
PHYSFS_sint32 hi = (PHYSFS_sint32) (info->entryCount - 1);
|
||||
PHYSFS_sint32 middle;
|
||||
const char *thispath = NULL;
|
||||
int rc;
|
||||
|
||||
while (lo <= hi)
|
||||
{
|
||||
middle = lo + ((hi - lo) / 2);
|
||||
rc = __PHYSFS_utf8stricmp(name, a[middle].name);
|
||||
if (rc == 0) /* found it! */
|
||||
return &a[middle];
|
||||
else if (rc > 0)
|
||||
thispath = a[middle].name;
|
||||
rc = __PHYSFS_strnicmpASCII(path, thispath, pathlen);
|
||||
|
||||
if (rc > 0)
|
||||
lo = middle + 1;
|
||||
else
|
||||
|
||||
else if (rc < 0)
|
||||
hi = middle - 1;
|
||||
|
||||
else /* substring match...might be dir or entry or nothing. */
|
||||
{
|
||||
if (isDir != NULL)
|
||||
{
|
||||
*isDir = (thispath[pathlen] == '/');
|
||||
if (*isDir)
|
||||
return NULL;
|
||||
} /* if */
|
||||
|
||||
if (thispath[pathlen] == '\0') /* found entry? */
|
||||
return &a[middle];
|
||||
/* adjust search params, try again. */
|
||||
else if (thispath[pathlen] > '/')
|
||||
hi = middle - 1;
|
||||
else
|
||||
lo = middle + 1;
|
||||
} /* if */
|
||||
} /* while */
|
||||
|
||||
if (isDir != NULL)
|
||||
*isDir = 0;
|
||||
|
||||
BAIL_MACRO(PHYSFS_ERR_NO_SUCH_PATH, NULL);
|
||||
} /* findEntry */
|
||||
|
||||
|
@ -217,10 +349,11 @@ PHYSFS_Io *UNPK_openRead(dvoid *opaque, const char *fnm, int *fileExists)
|
|||
PHYSFS_Io *retval = NULL;
|
||||
UNPKinfo *info = (UNPKinfo *) opaque;
|
||||
UNPKfileinfo *finfo = NULL;
|
||||
UNPKentry *entry;
|
||||
int isdir = 0;
|
||||
UNPKentry *entry = findEntry(info, fnm, &isdir);
|
||||
|
||||
entry = findEntry(info, fnm);
|
||||
*fileExists = (entry != NULL);
|
||||
GOTO_IF_MACRO(isdir, PHYSFS_ERR_NOT_A_FILE, UNPK_openRead_failed);
|
||||
GOTO_IF_MACRO(!entry, ERRPASS, UNPK_openRead_failed);
|
||||
|
||||
retval = (PHYSFS_Io *) allocator.Malloc(sizeof (PHYSFS_Io));
|
||||
|
@ -284,15 +417,28 @@ int UNPK_mkdir(dvoid *opaque, const char *name)
|
|||
int UNPK_stat(dvoid *opaque, const char *filename, int *exists,
|
||||
PHYSFS_Stat *stat)
|
||||
{
|
||||
int isDir = 0;
|
||||
const UNPKinfo *info = (const UNPKinfo *) opaque;
|
||||
const UNPKentry *entry = findEntry(info, filename);
|
||||
const UNPKentry *entry = findEntry(info, filename, &isDir);
|
||||
|
||||
*exists = (entry != 0);
|
||||
if (!entry)
|
||||
if (isDir)
|
||||
{
|
||||
*exists = 1;
|
||||
stat->filetype = PHYSFS_FILETYPE_DIRECTORY;
|
||||
stat->filesize = 0;
|
||||
} /* if */
|
||||
else if (entry != NULL)
|
||||
{
|
||||
*exists = 1;
|
||||
stat->filetype = PHYSFS_FILETYPE_REGULAR;
|
||||
stat->filesize = entry->size;
|
||||
} /* else if */
|
||||
else
|
||||
{
|
||||
*exists = 0;
|
||||
return 0;
|
||||
} /* else */
|
||||
|
||||
stat->filesize = entry->size;
|
||||
stat->filetype = PHYSFS_FILETYPE_REGULAR;
|
||||
stat->modtime = -1;
|
||||
stat->createtime = -1;
|
||||
stat->accesstime = -1;
|
||||
|
|
|
@ -419,7 +419,7 @@ int __PHYSFS_readAll(PHYSFS_Io *io, void *buf, const PHYSFS_uint64 len);
|
|||
|
||||
typedef struct
|
||||
{
|
||||
char name[32];
|
||||
char name[56];
|
||||
PHYSFS_uint32 startPos;
|
||||
PHYSFS_uint32 size;
|
||||
} UNPKentry;
|
||||
|
|
Loading…
Reference in New Issue