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A small number of cleanups. 

A new function to find a given NAME in a type library.
Support for growing a tlb segment when it overflows.
Duplicate GUID elimination.
GUID hash fixes.
NAME hash fixes.
Duplicate STRING elimination fixes.
Duplicate IMPORT elimination fixes.
Type information save ordering fixes.
Support for writing out the CUSTDATA and CUSTDATAGUID segments.
This commit is contained in:
Alastair Bridgewater 2004-01-27 03:59:07 +00:00 committed by Alexandre Julliard
parent ae23340c35
commit 01b93c166c
1 changed files with 108 additions and 40 deletions
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148
dlls/oleaut32/typelib2.c
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@ -193,7 +193,7 @@ static void ctl2_init_header(
}
/****************************************************************************
* ctl2_init_header
* ctl2_init_segdir
*
* Initializes the segment directory of a new typelib.
*/
@ -213,6 +213,42 @@ static void ctl2_init_segdir(
}
}
/****************************************************************************
* ctl2_find_name
*
* Locates a name in a type library.
*
* RETURNS
*
* The offset into the NAME segment of the name, or -1 if not found.
*
* NOTES
*
* The name must be encoded as with ctl2_encode_name().
*/
static int ctl2_find_name(
ICreateTypeLib2Impl *This, /* [I] The typelib to operate against. */
char *name) /* [I] The encoded name to find. */
{
int offset;
int *namestruct;
offset = This->typelib_namehash_segment[name[2] & 0x7f];
while (offset != -1) {
namestruct = (int *)&This->typelib_segment_data[MSFT_SEG_NAME][offset];
if (!((namestruct[2] ^ *((int *)name)) & 0xffff00ff)) {
/* hash codes and lengths match, final test */
if (!strncasecmp(name+4, (void *)(namestruct+3), name[0])) break;
}
/* move to next item in hash bucket */
offset = namestruct[1];
}
return offset;
}
/****************************************************************************
* ctl2_encode_name
*
@ -310,7 +346,7 @@ static int ctl2_alloc_segment(
ICreateTypeLib2Impl *This, /* [I] The type library in which to allocate. */
enum MSFT_segment_index segment, /* [I] The segment in which to allocate. */
int size, /* [I] The amount to allocate. */
int block_size) /* [I] Just set it to 0. I'm not explaining it here. */
int block_size) /* [I] Initial allocation block size, or 0 for default. */
{
int offset;
@ -323,9 +359,25 @@ static int ctl2_alloc_segment(
memset(This->typelib_segment_data[segment], 0x57, block_size);
}
if ((This->typelib_segdir[segment].length + size) > This->typelib_segment_block_length[segment]) {
FIXME("Need to grow segment %d\n", segment);
return -1;
while ((This->typelib_segdir[segment].length + size) > This->typelib_segment_block_length[segment]) {
char *block;
block_size = This->typelib_segment_block_length[segment];
block = HeapReAlloc(GetProcessHeap(), 0, This->typelib_segment_data[segment], block_size << 1);
if (!block) return -1;
if (segment == MSFT_SEG_TYPEINFO) {
/* TypeInfos have a direct pointer to their memory space, so we have to fix them up. */
ICreateTypeInfo2Impl *typeinfo;
for (typeinfo = This->typeinfos; typeinfo; typeinfo = typeinfo->next_typeinfo) {
typeinfo->typeinfo = (void *)&block[((char *)typeinfo->typeinfo) - This->typelib_segment_data[segment]];
}
}
memset(block + block_size, 0x57, block_size);
This->typelib_segment_block_length[segment] = block_size << 1;
This->typelib_segment_data[segment] = block;
}
offset = This->typelib_segdir[segment].length;
@ -406,8 +458,17 @@ static int ctl2_alloc_guid(
int offset;
MSFT_GuidEntry *guid_space;
int hash;
int hash_key;
int i;
for (offset = 0; offset < This->typelib_segdir[MSFT_SEG_GUID].length;
offset += sizeof(MSFT_GuidEntry)) {
if (!memcmp(&(This->typelib_segment_data[MSFT_SEG_GUID][offset]),
guid, sizeof(GUID))) {
return offset;
}
}
offset = ctl2_alloc_segment(This, MSFT_SEG_GUID, sizeof(MSFT_GuidEntry), 0);
if (offset == -1) return -1;
@ -419,7 +480,9 @@ static int ctl2_alloc_guid(
hash ^= *((short *)&This->typelib_segment_data[MSFT_SEG_GUID][offset + i]);
}
This->typelib_guidhash_segment[(hash & 0xf) | ((hash & 0x10) & (0 - !!(hash & 0xe0)))] = offset;
hash_key = (hash & 0xf) | ((hash & 0x10) & (0 - !!(hash & 0xe0)));
guid_space->unk14 = This->typelib_guidhash_segment[hash_key];
This->typelib_guidhash_segment[hash_key] = offset;
TRACE("Updating GUID hash table (%s,0x%x).\n", debugstr_guid(&guid->guid), hash);
@ -448,12 +511,8 @@ static int ctl2_alloc_name(
length = ctl2_encode_name(This, name, &encoded_name);
#if 1
for (offset = 0; offset < This->typelib_segdir[MSFT_SEG_NAME].length;
offset += 8 + (This->typelib_segment_data[MSFT_SEG_NAME][offset + 8] & 0xff)) {
if (!memcmp(encoded_name, This->typelib_segment_data[MSFT_SEG_NAME] + offset + 8, length)) return offset;
}
#endif
offset = ctl2_find_name(This, encoded_name);
if (offset != -1) return offset;
offset = ctl2_alloc_segment(This, MSFT_SEG_NAME, length + 8, 0);
if (offset == -1) return -1;
@ -464,7 +523,7 @@ static int ctl2_alloc_name(
memcpy(&name_space->namelen, encoded_name, length);
if (This->typelib_namehash_segment[encoded_name[2] & 0x7f] != -1)
FIXME("Unahndled collision in name hash table.\n");
name_space->unk10 = This->typelib_namehash_segment[encoded_name[2] & 0x7f];
This->typelib_namehash_segment[encoded_name[2] & 0x7f] = offset;
@ -496,8 +555,8 @@ static int ctl2_alloc_string(
length = ctl2_encode_string(This, string, &encoded_string);
for (offset = 0; offset < This->typelib_segdir[MSFT_SEG_STRING].length;
offset += ((This->typelib_segment_data[MSFT_SEG_STRING][offset + 1] << 8) & 0xff)
| (This->typelib_segment_data[MSFT_SEG_STRING][offset + 0] & 0xff)) {
offset += ((((This->typelib_segment_data[MSFT_SEG_STRING][offset + 1] << 8) & 0xff)
| (This->typelib_segment_data[MSFT_SEG_STRING][offset + 0] & 0xff)) + 5) & ~3) {
if (!memcmp(encoded_string, This->typelib_segment_data[MSFT_SEG_STRING] + offset, length)) return offset;
}
@ -527,6 +586,15 @@ static int ctl2_alloc_importinfo(
int offset;
MSFT_ImpInfo *impinfo_space;
for (offset = 0;
offset < This->typelib_segdir[MSFT_SEG_IMPORTINFO].length;
offset += sizeof(MSFT_ImpInfo)) {
if (!memcmp(&(This->typelib_segment_data[MSFT_SEG_IMPORTINFO][offset]),
impinfo, sizeof(MSFT_ImpInfo))) {
return offset;
}
}
offset = ctl2_alloc_segment(This, MSFT_SEG_IMPORTINFO, sizeof(MSFT_ImpInfo), 0);
if (offset == -1) return -1;
@ -758,8 +826,6 @@ static HRESULT WINAPI ICreateTypeInfo2_fnSetDocString(
if (offset == -1) return E_OUTOFMEMORY;
This->typeinfo->docstringoffs = offset;
return S_OK;
return E_OUTOFMEMORY;
}
/******************************************************************************
@ -1700,10 +1766,12 @@ static HRESULT WINAPI ICreateTypeLib2_fnSetName(
LPOLESTR szName)
{
ICOM_THIS(ICreateTypeLib2Impl, iface);
int offset = ctl2_alloc_name(This, szName);
int offset;
TRACE("(%p,%s)\n", iface, debugstr_w(szName));
offset = ctl2_alloc_name(This, szName);
if (offset == -1) return E_OUTOFMEMORY;
This->typelib_header.NameOffset = offset;
return S_OK;
@ -1778,10 +1846,12 @@ static HRESULT WINAPI ICreateTypeLib2_fnSetDocString(ICreateTypeLib2 * iface, LP
static HRESULT WINAPI ICreateTypeLib2_fnSetHelpFileName(ICreateTypeLib2 * iface, LPOLESTR szHelpFileName)
{
ICOM_THIS(ICreateTypeLib2Impl, iface);
int offset = ctl2_alloc_string(This, szHelpFileName);
int offset;
TRACE("(%p,%s)\n", iface, debugstr_w(szHelpFileName));
offset = ctl2_alloc_string(This, szHelpFileName);
if (offset == -1) return E_OUTOFMEMORY;
This->typelib_header.helpfile = offset;
This->typelib_header.varflags |= 0x10;
@ -1853,16 +1923,10 @@ static void ctl2_finalize_typeinfos(ICreateTypeLib2Impl *This, int filesize)
ICreateTypeInfo2Impl *typeinfo;
for (typeinfo = This->typeinfos; typeinfo; typeinfo = typeinfo->next_typeinfo) {
typeinfo->typeinfo->memoffset = filesize;
if (typeinfo->typedata) {
ICreateTypeInfo2_fnLayOut((ICreateTypeInfo2 *)typeinfo);
typeinfo->typeinfo->memoffset = filesize;
filesize += typeinfo->typedata[0] + ((typeinfo->typeinfo->cElement >> 16) * 12) + 4;
}
}
for (typeinfo = This->typeinfos; typeinfo; typeinfo = typeinfo->next_typeinfo) {
if (!typeinfo->typedata) {
typeinfo->typeinfo->memoffset = filesize;
filesize += typeinfo->typedata[0] + ((typeinfo->typeinfo->cElement >> 16) * 12) + ((typeinfo->typeinfo->cElement & 0xffff) * 12) + 4;
}
}
}
@ -1886,9 +1950,9 @@ static void ctl2_write_typeinfos(ICreateTypeLib2Impl *This, HANDLE hFile)
if (!typeinfo->typedata) continue;
ctl2_write_chunk(hFile, typeinfo->typedata, typeinfo->typedata[0] + 4);
ctl2_write_chunk(hFile, typeinfo->indices, (typeinfo->typeinfo->cElement >> 16) * 4);
ctl2_write_chunk(hFile, typeinfo->names, (typeinfo->typeinfo->cElement >> 16) * 4);
ctl2_write_chunk(hFile, typeinfo->offsets, (typeinfo->typeinfo->cElement >> 16) * 4);
ctl2_write_chunk(hFile, typeinfo->indices, ((typeinfo->typeinfo->cElement & 0xffff) + (typeinfo->typeinfo->cElement >> 16)) * 4);
ctl2_write_chunk(hFile, typeinfo->names, ((typeinfo->typeinfo->cElement & 0xffff) + (typeinfo->typeinfo->cElement >> 16)) * 4);
ctl2_write_chunk(hFile, typeinfo->offsets, ((typeinfo->typeinfo->cElement & 0xffff) + (typeinfo->typeinfo->cElement >> 16)) * 4);
}
}
@ -1925,22 +1989,26 @@ static HRESULT WINAPI ICreateTypeLib2_fnSaveAllChanges(ICreateTypeLib2 * iface)
filepos += ctl2_finalize_segment(This, filepos, MSFT_SEG_STRING);
filepos += ctl2_finalize_segment(This, filepos, MSFT_SEG_TYPEDESC);
filepos += ctl2_finalize_segment(This, filepos, MSFT_SEG_ARRAYDESC);
filepos += ctl2_finalize_segment(This, filepos, MSFT_SEG_CUSTDATA);
filepos += ctl2_finalize_segment(This, filepos, MSFT_SEG_CUSTDATAGUID);
ctl2_finalize_typeinfos(This, filepos);
if (!ctl2_write_chunk(hFile, &This->typelib_header, sizeof(This->typelib_header))) return retval;
if (!ctl2_write_chunk(hFile, This->typelib_typeinfo_offsets, This->typelib_header.nrtypeinfos * 4)) return retval;
if (!ctl2_write_chunk(hFile, &This->typelib_segdir, sizeof(This->typelib_segdir))) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_TYPEINFO )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_GUIDHASH )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_GUID )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_IMPORTINFO )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_IMPORTFILES)) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_NAMEHASH )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_NAME )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_STRING )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_TYPEDESC )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_ARRAYDESC )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_TYPEINFO )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_GUIDHASH )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_GUID )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_IMPORTINFO )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_IMPORTFILES )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_NAMEHASH )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_NAME )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_STRING )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_TYPEDESC )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_ARRAYDESC )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_CUSTDATA )) return retval;
if (!ctl2_write_segment(This, hFile, MSFT_SEG_CUSTDATAGUID)) return retval;
ctl2_write_typeinfos(This, hFile);