diff options
Diffstat (limited to 'xpcom/typelib/xpt/xpt_xdr.h')
-rw-r--r-- | xpcom/typelib/xpt/xpt_xdr.h | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/xpcom/typelib/xpt/xpt_xdr.h b/xpcom/typelib/xpt/xpt_xdr.h new file mode 100644 index 000000000..7bf23aa40 --- /dev/null +++ b/xpcom/typelib/xpt/xpt_xdr.h @@ -0,0 +1,86 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * Basic APIs for streaming typelib structures from disk. + */ + +#ifndef __xpt_xdr_h__ +#define __xpt_xdr_h__ + +#include "xpt_struct.h" +#include "mozilla/NotNull.h" + +using mozilla::NotNull; + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct XPTState XPTState; +typedef struct XPTCursor XPTCursor; + +extern XPT_PUBLIC_API(bool) +XPT_SkipStringInline(NotNull<XPTCursor*> cursor); + +extern XPT_PUBLIC_API(bool) +XPT_DoCString(XPTArena *arena, NotNull<XPTCursor*> cursor, char **strp, + bool ignore = false); + +extern XPT_PUBLIC_API(bool) +XPT_DoIID(NotNull<XPTCursor*> cursor, nsID *iidp); + +extern XPT_PUBLIC_API(bool) +XPT_Do64(NotNull<XPTCursor*> cursor, int64_t *u64p); + +extern XPT_PUBLIC_API(bool) +XPT_Do32(NotNull<XPTCursor*> cursor, uint32_t *u32p); + +extern XPT_PUBLIC_API(bool) +XPT_Do16(NotNull<XPTCursor*> cursor, uint16_t *u16p); + +extern XPT_PUBLIC_API(bool) +XPT_Do8(NotNull<XPTCursor*> cursor, uint8_t *u8p); + +extern XPT_PUBLIC_API(bool) +XPT_DoHeader(XPTArena *arena, NotNull<XPTCursor*> cursor, XPTHeader **headerp); + +typedef enum { + XPT_HEADER = 0, + XPT_DATA = 1 +} XPTPool; + +struct XPTState { + uint32_t data_offset; + uint32_t next_cursor[2]; + char *pool_data; + uint32_t pool_allocated; +}; + +struct XPTCursor { + XPTState *state; + XPTPool pool; + uint32_t offset; + uint8_t bits; +}; + +extern XPT_PUBLIC_API(void) +XPT_InitXDRState(XPTState* state, char* data, uint32_t len); + +extern XPT_PUBLIC_API(bool) +XPT_MakeCursor(XPTState *state, XPTPool pool, uint32_t len, + NotNull<XPTCursor*> cursor); + +extern XPT_PUBLIC_API(bool) +XPT_SeekTo(NotNull<XPTCursor*> cursor, uint32_t offset); + +extern XPT_PUBLIC_API(void) +XPT_SetDataOffset(XPTState *state, uint32_t data_offset); + +#ifdef __cplusplus +} +#endif + +#endif /* __xpt_xdr_h__ */ |