d3dxof_private.h File Reference

#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "dxfile.h"
#include "wine/debug.h"

Include dependency graph for d3dxof_private.h:

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Classes
struct	member
struct	xtemplate
struct	xobject_member
struct	_xobject
struct	IDirectXFileImpl
struct	IDirectXFileBinaryImpl
struct	IDirectXFileDataImpl
struct	IDirectXFileDataReferenceImpl
struct	IDirectXFileObjectImpl
struct	parse_buffer
struct	IDirectXFileEnumObjectImpl
struct	IDirectXFileSaveObjectImpl

Macros
#define	COBJMACROS
#define	MAX_NAME_LEN   40
#define	MAX_ARRAY_DIM   4
#define	MAX_MEMBERS   50
#define	MAX_CHILDREN   200
#define	MAX_TEMPLATES   200
#define	MAX_OBJECTS   500
#define	MAX_SUBOBJECTS   2000
#define	MAX_STRINGS_BUFFER   10000

Typedefs
typedef struct _xobject	xobject

Functions
HRESULT	IDirectXFileImpl_Create (IUnknown *pUnkOuter, LPVOID *ppObj)
HRESULT	parse_header (parse_buffer *buf, BYTE **decomp_buffer_ptr)
BOOL	parse_object (parse_buffer *buf)
BOOL	parse_templates (parse_buffer *buf, BOOL templates_only)
int	mszip_decompress (int inlen, int outlen, char *inbuffer, char *outbuffer)

Macro Definition Documentation

COBJMACROS

#define COBJMACROS

Definition at line 24 of file d3dxof_private.h.

MAX_ARRAY_DIM

#define MAX_ARRAY_DIM   4

Definition at line 34 of file d3dxof_private.h.

MAX_CHILDREN

#define MAX_CHILDREN   200

Definition at line 36 of file d3dxof_private.h.

MAX_MEMBERS

#define MAX_MEMBERS   50

Definition at line 35 of file d3dxof_private.h.

MAX_NAME_LEN

#define MAX_NAME_LEN   40

Definition at line 33 of file d3dxof_private.h.

MAX_OBJECTS

#define MAX_OBJECTS   500

Definition at line 38 of file d3dxof_private.h.

MAX_STRINGS_BUFFER

#define MAX_STRINGS_BUFFER   10000

Definition at line 40 of file d3dxof_private.h.

MAX_SUBOBJECTS

#define MAX_SUBOBJECTS   2000

Definition at line 39 of file d3dxof_private.h.

MAX_TEMPLATES

#define MAX_TEMPLATES   200

Definition at line 37 of file d3dxof_private.h.

Typedef Documentation

xobject

typedef struct _xobject xobject

Definition at line 85 of file d3dxof_private.h.

Function Documentation

IDirectXFileImpl_Create()

HRESULT IDirectXFileImpl_Create	(	IUnknown *	pUnkOuter,
		LPVOID *	ppObj
	)

Definition at line 40 of file d3dxof.c.

{
    IDirectXFileImpl* object;
 
    TRACE("(%p,%p)\n", pUnkOuter, ppObj);
 
    object = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectXFileImpl));
    if (!object)
        return DXFILEERR_BADALLOC;
 
    object->IDirectXFile_iface.lpVtbl = &IDirectXFile_Vtbl;
    object->ref = 1;
 
    /* Reserve first template to handle the case sensitive legacy type indexColor */
    object->nb_xtemplates = 1;
    strcpy(object->xtemplates[0].name, "indexColor");
    object->xtemplates[0].nb_members = 2;
    object->xtemplates[0].members[0].type = TOKEN_DWORD;
    object->xtemplates[0].members[0].nb_dims = 0;
    object->xtemplates[0].members[1].type = TOKEN_FLOAT;
    object->xtemplates[0].members[1].nb_dims = 1;
    object->xtemplates[0].members[1].dim_fixed[0] = TRUE;
    object->xtemplates[0].members[1].dim_value[0] = 4;
 
    *ppObj = &object->IDirectXFile_iface;
 
    return S_OK;
}

Referenced by DirectXFileCreate().

mszip_decompress()

int mszip_decompress	(	int	inlen,
		int	outlen,
		char *	inbuffer,
		char *	outbuffer
	)

Referenced by parse_header().

parse_header()

HRESULT parse_header	(	parse_buffer *	buf,
		BYTE **	decomp_buffer_ptr
	)

Definition at line 164 of file parsing.c.

{
  /* X File common header:
   *  0-3  -> Magic Number (format identifier)
   *  4-7  -> Format Version
   *  8-11 -> Format Type (text or binary, decompressed or compressed)
   * 12-15 -> Float Size (32 or 64 bits) */
  DWORD header[4];
 
  if (!read_bytes(buf, header, sizeof(header)))
    return DXFILEERR_BADFILETYPE;
 
  if (TRACE_ON(d3dxof_parsing))
  {
    char string[17];
    memcpy(string, header, 16);
    string[16] = 0;
    TRACE("header = '%s'\n", string);
  }
 
  if (header[0] != XOFFILE_FORMAT_MAGIC)
    return DXFILEERR_BADFILETYPE;
 
  if (header[1] != XOFFILE_FORMAT_VERSION_302 && header[1] != XOFFILE_FORMAT_VERSION_303)
    return DXFILEERR_BADFILEVERSION;
 
  if (header[2] != XOFFILE_FORMAT_BINARY && header[2] != XOFFILE_FORMAT_TEXT &&
      header[2] != XOFFILE_FORMAT_BINARY_MSZIP && header[2] != XOFFILE_FORMAT_TEXT_MSZIP)
  {
    WARN("File type %s unknown\n", debugstr_fourcc(header[2]));
    return DXFILEERR_BADFILETYPE;
  }
 
  if (header[3] != XOFFILE_FORMAT_FLOAT_BITS_32 && header[3] != XOFFILE_FORMAT_FLOAT_BITS_64)
    return DXFILEERR_BADFILEFLOATSIZE;
 
  buf->txt = header[2] == XOFFILE_FORMAT_TEXT || header[2] == XOFFILE_FORMAT_TEXT_MSZIP;
 
  if (header[2] == XOFFILE_FORMAT_BINARY_MSZIP || header[2] == XOFFILE_FORMAT_TEXT_MSZIP)
  {
    /* Extended header for compressed data:
     * 16-19 -> size of decompressed file including xof header,
     * 20-21 -> size of first decompressed MSZIP chunk, 22-23 -> size of first compressed MSZIP chunk
     * 24-xx -> compressed MSZIP data chunk
     * xx-xx -> size of next decompressed MSZIP chunk, xx-xx -> size of next compressed MSZIP chunk
     * xx-xx -> compressed MSZIP data chunk
     * .............................................................................................. */
    int err;
    DWORD decomp_file_size;
    WORD decomp_chunk_size;
    WORD comp_chunk_size;
    LPBYTE decomp_buffer;
 
    if (!read_bytes(buf, &decomp_file_size, sizeof(decomp_file_size)))
      return DXFILEERR_BADFILETYPE;
 
    TRACE("Compressed format %s detected: decompressed file size with xof header = %lu.\n",
            debugstr_fourcc(header[2]), decomp_file_size);
 
    /* Does not take xof header into account */
    decomp_file_size -= 16;
 
    decomp_buffer = HeapAlloc(GetProcessHeap(), 0, decomp_file_size);
    if (!decomp_buffer)
    {
        ERR("Out of memory\n");
        return DXFILEERR_BADALLOC;
    }
    *decomp_buffer_ptr = decomp_buffer;
 
    while (buf->rem_bytes)
    {
      if (!read_bytes(buf, &decomp_chunk_size, sizeof(decomp_chunk_size)))
        return DXFILEERR_BADFILETYPE;
      if (!read_bytes(buf, &comp_chunk_size, sizeof(comp_chunk_size)))
        return DXFILEERR_BADFILETYPE;
 
      TRACE("Process chunk: compressed_size = %d, decompressed_size = %d\n",
            comp_chunk_size, decomp_chunk_size);
 
      err = mszip_decompress(comp_chunk_size, decomp_chunk_size, (char*)buf->buffer, (char*)decomp_buffer);
      if (err)
      {
        WARN("Error while decompressing MSZIP chunk %d\n", err);
        HeapFree(GetProcessHeap(), 0, decomp_buffer);
        return DXFILEERR_BADALLOC;
      }
      buf->rem_bytes -= comp_chunk_size;
      buf->buffer += comp_chunk_size;
      decomp_buffer += decomp_chunk_size;
    }
 
    if ((decomp_buffer - *decomp_buffer_ptr) != decomp_file_size)
        ERR("Size of all decompressed chunks (%Iu) does not match decompressed file size (%lu).\n",
                decomp_buffer - *decomp_buffer_ptr, decomp_file_size);
 
    /* Use decompressed data */
    buf->buffer = *decomp_buffer_ptr;
    buf->rem_bytes = decomp_file_size;
  }
 
  TRACE("Header is correct\n");
 
  return S_OK;
}

Referenced by IDirectXFileImpl_CreateEnumObject(), and IDirectXFileImpl_RegisterTemplates().

parse_object()

BOOL parse_object

(

parse_buffer *

buf

)

Definition at line 1361 of file parsing.c.

{
  ULONG i;
 
  buf->pxo->pos_data = buf->cur_pos_data;
  buf->pxo->ptarget = NULL;
  buf->pxo->binary = FALSE;
  buf->pxo->root = buf->pxo_tab;
 
  if (get_TOKEN(buf) != TOKEN_NAME)
    return FALSE;
 
  /* To do template lookup */
  for (i = 0; i < buf->pdxf->nb_xtemplates; i++)
  {
    if (!stricmp((char*)buf->value, buf->pdxf->xtemplates[i].name))
    {
      buf->pxt[buf->level] = &buf->pdxf->xtemplates[i];
      memcpy(&buf->pxo->type, &buf->pdxf->xtemplates[i].class_id, 16);
      break;
    }
  }
  if (i == buf->pdxf->nb_xtemplates)
  {
    ERR("Unknown template %s\n", (char*)buf->value);
    return FALSE;
  }
 
  if (check_TOKEN(buf) == TOKEN_NAME)
  {
    get_TOKEN(buf);
    strcpy(buf->pxo->name, (char*)buf->value);
  }
  else
    buf->pxo->name[0] = 0;
 
  if (get_TOKEN(buf) != TOKEN_OBRACE)
    return FALSE;
  if (check_TOKEN(buf) == TOKEN_GUID)
  {
    get_TOKEN(buf);
    memcpy(&buf->pxo->class_id, buf->value, 16);
  }
  else
    memset(&buf->pxo->class_id, 0, 16);
 
  if (!parse_object_parts(buf, TRUE))
    return FALSE;
  if (get_TOKEN(buf) != TOKEN_CBRACE)
    return FALSE;
 
  /* For seeking to a possibly eof to avoid parsing another object next time */
  check_TOKEN(buf);
 
  return TRUE;
}

Referenced by IDirectXFileEnumObjectImpl_GetNextDataObject(), and parse_object_parts().

parse_templates()

BOOL parse_templates	(	parse_buffer *	buf,
		BOOL	templates_only
	)

Definition at line 1080 of file parsing.c.

{
  while (check_TOKEN(buf) != TOKEN_NONE)
  {
    if (templates_only && (check_TOKEN(buf) != TOKEN_TEMPLATE))
      return TRUE;
    if (!parse_template(buf))
    {
      WARN("Template is not correct\n");
      return FALSE;
    }
    else
    {
      TRACE("Template successfully parsed:\n");
      if (TRACE_ON(d3dxof_parsing))
        dump_template(buf->pdxf->xtemplates, &buf->pdxf->xtemplates[buf->pdxf->nb_xtemplates - 1]);
    }
  }
  return TRUE;
}

Referenced by IDirectXFileEnumObjectImpl_GetNextDataObject(), IDirectXFileImpl_CreateEnumObject(), and IDirectXFileImpl_RegisterTemplates().