dlls/windowscodecs/metadataquery.c

   1 /*
   2  * Copyright 2016 Andrew Eikum for CodeWeavers
   3  * Copyright 2017 Dmitry Timoshkov
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "config.h"
  21
  22 #include <stdarg.h>
  23
  24 #define COBJMACROS
  25 #define NONAMELESSUNION
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "objbase.h"
  30 #include "propvarutil.h"
  31
  32 #include "wincodecs_private.h"
  33
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
  37
  38 static const WCHAR *map_shortname_to_schema(const GUID *format, const WCHAR *name);
  39
  40 typedef struct {
  41     IWICMetadataQueryReader IWICMetadataQueryReader_iface;
  42     LONG ref;
  43     IWICMetadataBlockReader *block;
  44     WCHAR *root;
  45 } QueryReader;
  46
  47 static inline QueryReader *impl_from_IWICMetadataQueryReader(IWICMetadataQueryReader *iface)
  48 {
  49     return CONTAINING_RECORD(iface, QueryReader, IWICMetadataQueryReader_iface);
  50 }
  51
  52 static HRESULT WINAPI mqr_QueryInterface(IWICMetadataQueryReader *iface, REFIID riid,
  53         void **ppvObject)
  54 {
  55     QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
  56
  57     TRACE("(%p,%s,%p)\n", This, debugstr_guid(riid), ppvObject);
  58
  59     if (IsEqualGUID(riid, &IID_IUnknown) ||
  60             IsEqualGUID(riid, &IID_IWICMetadataQueryReader))
  61         *ppvObject = &This->IWICMetadataQueryReader_iface;
  62     else
  63         *ppvObject = NULL;
  64
  65     if (*ppvObject)
  66     {
  67         IUnknown_AddRef((IUnknown*)*ppvObject);
  68         return S_OK;
  69     }
  70
  71     return E_NOINTERFACE;
  72 }
  73
  74 static ULONG WINAPI mqr_AddRef(IWICMetadataQueryReader *iface)
  75 {
  76     QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
  77     ULONG ref = InterlockedIncrement(&This->ref);
  78     TRACE("(%p) refcount=%u\n", This, ref);
  79     return ref;
  80 }
  81
  82 static ULONG WINAPI mqr_Release(IWICMetadataQueryReader *iface)
  83 {
  84     QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
  85     ULONG ref = InterlockedDecrement(&This->ref);
  86     TRACE("(%p) refcount=%u\n", This, ref);
  87     if (!ref)
  88     {
  89         IWICMetadataBlockReader_Release(This->block);
  90         HeapFree(GetProcessHeap(), 0, This->root);
  91         HeapFree(GetProcessHeap(), 0, This);
  92     }
  93     return ref;
  94 }
  95
  96 static HRESULT WINAPI mqr_GetContainerFormat(IWICMetadataQueryReader *iface, GUID *format)
  97 {
  98     QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
  99
 100     TRACE("(%p,%p)\n", This, format);
 101
 102     return IWICMetadataBlockReader_GetContainerFormat(This->block, format);
 103 }
 104
 105 static HRESULT WINAPI mqr_GetLocation(IWICMetadataQueryReader *iface, UINT len, WCHAR *location, UINT *ret_len)
 106 {
 107     static const WCHAR rootW[] = { '/',0 };
 108     QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
 109     const WCHAR *root;
 110     UINT actual_len;
 111
 112     TRACE("(%p,%u,%p,%p)\n", This, len, location, ret_len);
 113
 114     if (!ret_len) return E_INVALIDARG;
 115
 116     root = This->root ? This->root : rootW;
 117     actual_len = lstrlenW(root) + 1;
 118
 119     if (location)
 120     {
 121         if (len < actual_len)
 122             return WINCODEC_ERR_INSUFFICIENTBUFFER;
 123
 124         memcpy(location, root, actual_len * sizeof(WCHAR));
 125     }
 126
 127     *ret_len = actual_len;
 128
 129     return S_OK;
 130 }
 131
 132 struct string_t
 133 {
 134     const WCHAR *str;
 135     int len;
 136 };
 137
 138 static const struct
 139 {
 140     int len;
 141     WCHAR str[10];
 142     VARTYPE vt;
 143 } str2vt[] =
 144 {
 145     { 4, {'c','h','a','r'}, VT_I1 },
 146     { 5, {'u','c','h','a','r'}, VT_UI1 },
 147     { 5, {'s','h','o','r','t'}, VT_I2 },
 148     { 6, {'u','s','h','o','r','t'}, VT_UI2 },
 149     { 4, {'l','o','n','g'}, VT_I4 },
 150     { 5, {'u','l','o','n','g'}, VT_UI4 },
 151     { 3, {'i','n','t'}, VT_I4 },
 152     { 4, {'u','i','n','t'}, VT_UI4 },
 153     { 8, {'l','o','n','g','l','o','n','g'}, VT_I8 },
 154     { 9, {'u','l','o','n','g','l','o','n','g'}, VT_UI8 },
 155     { 5, {'f','l','o','a','t'}, VT_R4 },
 156     { 6, {'d','o','u','b','l','e'}, VT_R8 },
 157     { 3, {'s','t','r'}, VT_LPSTR },
 158     { 4, {'w','s','t','r'}, VT_LPWSTR },
 159     { 4, {'g','u','i','d'}, VT_CLSID },
 160     { 4, {'b','o','o','l'}, VT_BOOL }
 161 };
 162
 163 static VARTYPE map_type(struct string_t *str)
 164 {
 165     UINT i;
 166
 167     for (i = 0; i < ARRAY_SIZE(str2vt); i++)
 168     {
 169         if (str2vt[i].len == str->len)
 170         {
 171             if (CompareStringW(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE,
 172                 str->str, str->len, str2vt[i].str, str2vt[i].len) == CSTR_EQUAL)
 173                 return str2vt[i].vt;
 174         }
 175     }
 176
 177     WARN("type %s is not recognized\n", wine_dbgstr_wn(str->str, str->len));
 178
 179     return VT_ILLEGAL;
 180 }
 181
 182 static HRESULT get_token(struct string_t *elem, PROPVARIANT *id, PROPVARIANT *schema, int *idx)
 183 {
 184     const WCHAR *start, *end, *p;
 185     WCHAR *bstr;
 186     struct string_t next_elem;
 187     HRESULT hr;
 188
 189     TRACE("%s, len %d\n", wine_dbgstr_wn(elem->str, elem->len), elem->len);
 190
 191     PropVariantInit(id);
 192     PropVariantInit(schema);
 193
 194     if (!elem->len) return S_OK;
 195
 196     start = elem->str;
 197
 198     if (*start == '[')
 199     {
 200         WCHAR *idx_end;
 201
 202         if (start[1] < '0' || start[1] > '9') return DISP_E_TYPEMISMATCH;
 203
 204         *idx = strtolW(start + 1, &idx_end, 10);
 205         if (idx_end > elem->str + elem->len) return WINCODEC_ERR_INVALIDQUERYREQUEST;
 206         if (*idx_end != ']') return WINCODEC_ERR_INVALIDQUERYREQUEST;
 207         if (*idx < 0) return WINCODEC_ERR_INVALIDQUERYREQUEST;
 208         end = idx_end + 1;
 209
 210         next_elem.str = end;
 211         next_elem.len = elem->len - (end - start);
 212         hr = get_token(&next_elem, id, schema, idx);
 213         if (hr != S_OK)
 214         {
 215             TRACE("get_token error %#x\n", hr);
 216             return hr;
 217         }
 218         elem->len = (end - start) + next_elem.len;
 219
 220         TRACE("indexed %s [%d]\n", wine_dbgstr_wn(elem->str, elem->len), *idx);
 221         return S_OK;
 222     }
 223     else if (*start == '{')
 224     {
 225         VARTYPE vt;
 226         PROPVARIANT next_token;
 227
 228         end = memchrW(start + 1, '=', elem->len - 1);
 229         if (!end) return WINCODEC_ERR_INVALIDQUERYREQUEST;
 230         if (end > elem->str + elem->len) return WINCODEC_ERR_INVALIDQUERYREQUEST;
 231
 232         next_elem.str = start + 1;
 233         next_elem.len = end - start - 1;
 234         vt = map_type(&next_elem);
 235         TRACE("type %s => %d\n", wine_dbgstr_wn(next_elem.str, next_elem.len), vt);
 236         if (vt == VT_ILLEGAL) return WINCODEC_ERR_WRONGSTATE;
 237
 238         next_token.vt = VT_BSTR;
 239         next_token.u.bstrVal = SysAllocStringLen(NULL, elem->len - (end - start) + 1);
 240         if (!next_token.u.bstrVal) return E_OUTOFMEMORY;
 241
 242         bstr = next_token.u.bstrVal;
 243
 244         end++;
 245         while (*end && *end != '}' && end - start < elem->len)
 246         {
 247             if (*end == '\\') end++;
 248             *bstr++ = *end++;
 249         }
 250         if (*end != '}')
 251         {
 252             PropVariantClear(&next_token);
 253             return WINCODEC_ERR_INVALIDQUERYREQUEST;
 254         }
 255         *bstr = 0;
 256         TRACE("schema/id %s\n", wine_dbgstr_w(next_token.u.bstrVal));
 257
 258         if (vt == VT_CLSID)
 259         {
 260             id->vt = VT_CLSID;
 261             id->u.puuid = CoTaskMemAlloc(sizeof(GUID));
 262             if (!id->u.puuid)
 263             {
 264                 PropVariantClear(&next_token);
 265                 return E_OUTOFMEMORY;
 266             }
 267
 268             hr = UuidFromStringW(next_token.u.bstrVal, id->u.puuid);
 269         }
 270         else
 271             hr = PropVariantChangeType(id, &next_token, 0, vt);
 272         PropVariantClear(&next_token);
 273         if (hr != S_OK)
 274         {
 275             PropVariantClear(id);
 276             PropVariantClear(schema);
 277             return hr;
 278         }
 279
 280         end++;
 281         if (*end == ':')
 282         {
 283             PROPVARIANT next_id, next_schema;
 284             int next_idx = 0;
 285
 286             next_elem.str = end + 1;
 287             next_elem.len = elem->len - (end - start + 1);
 288             hr = get_token(&next_elem, &next_id, &next_schema, &next_idx);
 289             if (hr != S_OK)
 290             {
 291                 TRACE("get_token error %#x\n", hr);
 292                 return hr;
 293             }
 294             elem->len = (end - start + 1) + next_elem.len;
 295
 296             TRACE("id %s [%d]\n", wine_dbgstr_wn(elem->str, elem->len), *idx);
 297
 298             if (next_schema.vt != VT_EMPTY)
 299             {
 300                 PropVariantClear(&next_id);
 301                 PropVariantClear(&next_schema);
 302                 return WINCODEC_ERR_WRONGSTATE;
 303             }
 304
 305             *schema = *id;
 306             *id = next_id;
 307
 308             return S_OK;
 309         }
 310
 311         elem->len = end - start;
 312         return S_OK;
 313     }
 314
 315     end = memchrW(start, '/', elem->len);
 316     if (!end) end = start + elem->len;
 317
 318     p = memchrW(start, ':', end - start);
 319     if (p)
 320     {
 321         next_elem.str = p + 1;
 322         next_elem.len = end - p - 1;
 323
 324         elem->len = p - start;
 325     }
 326     else
 327         elem->len = end - start;
 328
 329     id->vt = VT_BSTR;
 330     id->u.bstrVal = SysAllocStringLen(NULL, elem->len + 1);
 331     if (!id->u.bstrVal) return E_OUTOFMEMORY;
 332
 333     bstr = id->u.bstrVal;
 334     p = elem->str;
 335     while (p - elem->str < elem->len)
 336     {
 337         if (*p == '\\') p++;
 338         *bstr++ = *p++;
 339     }
 340     *bstr = 0;
 341     TRACE("%s [%d]\n", wine_dbgstr_variant((VARIANT *)id), *idx);
 342
 343     if (*p == ':')
 344     {
 345         PROPVARIANT next_id, next_schema;
 346         int next_idx = 0;
 347
 348         hr = get_token(&next_elem, &next_id, &next_schema, &next_idx);
 349         if (hr != S_OK)
 350         {
 351             TRACE("get_token error %#x\n", hr);
 352             PropVariantClear(id);
 353             PropVariantClear(schema);
 354             return hr;
 355         }
 356         elem->len += next_elem.len + 1;
 357
 358         TRACE("id %s [%d]\n", wine_dbgstr_wn(elem->str, elem->len), *idx);
 359
 360         if (next_schema.vt != VT_EMPTY)
 361         {
 362             PropVariantClear(&next_id);
 363             PropVariantClear(&next_schema);
 364             PropVariantClear(id);
 365             PropVariantClear(schema);
 366             return WINCODEC_ERR_WRONGSTATE;
 367         }
 368
 369         *schema = *id;
 370         *id = next_id;
 371     }
 372
 373     return S_OK;
 374 }
 375
 376 static HRESULT find_reader_from_block(IWICMetadataBlockReader *block_reader, UINT index,
 377                                       GUID *guid, IWICMetadataReader **reader)
 378 {
 379     HRESULT hr;
 380     GUID format;
 381     IWICMetadataReader *new_reader;
 382     UINT count, i, matched_index;
 383
 384     *reader = NULL;
 385
 386     hr = IWICMetadataBlockReader_GetCount(block_reader, &count);
 387     if (hr != S_OK) return hr;
 388
 389     matched_index = 0;
 390
 391     for (i = 0; i < count; i++)
 392     {
 393         hr = IWICMetadataBlockReader_GetReaderByIndex(block_reader, i, &new_reader);
 394         if (hr != S_OK) return hr;
 395
 396         hr = IWICMetadataReader_GetMetadataFormat(new_reader, &format);
 397         if (hr == S_OK)
 398         {
 399             if (IsEqualGUID(&format, guid))
 400             {
 401                 if (matched_index == index)
 402                 {
 403                     *reader = new_reader;
 404                     return S_OK;
 405                 }
 406
 407                 matched_index++;
 408             }
 409         }
 410
 411         IWICMetadataReader_Release(new_reader);
 412         if (hr != S_OK) return hr;
 413     }
 414
 415     return WINCODEC_ERR_PROPERTYNOTFOUND;
 416 }
 417
 418 static HRESULT get_next_reader(IWICMetadataReader *reader, UINT index,
 419                                GUID *guid, IWICMetadataReader **new_reader)
 420 {
 421     HRESULT hr;
 422     PROPVARIANT schema, id, value;
 423
 424     *new_reader = NULL;
 425
 426     PropVariantInit(&schema);
 427     PropVariantInit(&id);
 428     PropVariantInit(&value);
 429
 430     if (index)
 431     {
 432         schema.vt = VT_UI2;
 433         schema.u.uiVal = index;
 434     }
 435
 436     id.vt = VT_CLSID;
 437     id.u.puuid = guid;
 438     hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
 439     if (hr != S_OK) return hr;
 440
 441     if (value.vt == VT_UNKNOWN)
 442         hr = IUnknown_QueryInterface(value.u.punkVal, &IID_IWICMetadataReader, (void **)new_reader);
 443     else
 444         hr = WINCODEC_ERR_UNEXPECTEDMETADATATYPE;
 445
 446     PropVariantClear(&value);
 447     return hr;
 448 }
 449
 450 static HRESULT WINAPI mqr_GetMetadataByName(IWICMetadataQueryReader *iface, LPCWSTR query, PROPVARIANT *value)
 451 {
 452     QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
 453     struct string_t elem;
 454     WCHAR *full_query;
 455     const WCHAR *p;
 456     int index, len;
 457     PROPVARIANT tk_id, tk_schema, new_value;
 458     GUID guid;
 459     IWICMetadataReader *reader;
 460     HRESULT hr = S_OK;
 461
 462     TRACE("(%p,%s,%p)\n", This, wine_dbgstr_w(query), value);
 463
 464     len = lstrlenW(query) + 1;
 465     if (This->root) len += lstrlenW(This->root);
 466     full_query = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 467     full_query[0] = 0;
 468     if (This->root)
 469         lstrcpyW(full_query, This->root);
 470     lstrcatW(full_query, query);
 471
 472     PropVariantInit(&tk_id);
 473     PropVariantInit(&tk_schema);
 474     PropVariantInit(&new_value);
 475
 476     reader = NULL;
 477     p = full_query;
 478
 479     while (*p)
 480     {
 481         if (*p != '/')
 482         {
 483             WARN("query should start with '/'\n");
 484             hr = WINCODEC_ERR_PROPERTYNOTSUPPORTED;
 485             break;
 486         }
 487
 488         p++;
 489
 490         index = 0;
 491         elem.str = p;
 492         elem.len = lstrlenW(p);
 493         hr = get_token(&elem, &tk_id, &tk_schema, &index);
 494         if (hr != S_OK)
 495         {
 496             WARN("get_token error %#x\n", hr);
 497             break;
 498         }
 499         TRACE("parsed %d characters: %s, index %d\n", elem.len, wine_dbgstr_wn(elem.str, elem.len), index);
 500         TRACE("id %s, schema %s\n", wine_dbgstr_variant((VARIANT *)&tk_id), wine_dbgstr_variant((VARIANT *)&tk_schema));
 501
 502         if (!elem.len) break;
 503
 504         if (tk_id.vt == VT_CLSID || (tk_id.vt == VT_BSTR && WICMapShortNameToGuid(tk_id.u.bstrVal, &guid) == S_OK))
 505         {
 506             WCHAR *root;
 507
 508             if (tk_schema.vt != VT_EMPTY)
 509             {
 510                 FIXME("unsupported schema vt %u\n", tk_schema.vt);
 511                 PropVariantClear(&tk_schema);
 512             }
 513
 514             if (tk_id.vt == VT_CLSID) guid = *tk_id.u.puuid;
 515
 516             if (reader)
 517             {
 518                 IWICMetadataReader *new_reader;
 519
 520                 hr = get_next_reader(reader, index, &guid, &new_reader);
 521                 IWICMetadataReader_Release(reader);
 522                 reader = new_reader;
 523             }
 524             else
 525                 hr = find_reader_from_block(This->block, index, &guid, &reader);
 526
 527             if (hr != S_OK) break;
 528
 529             root = SysAllocStringLen(NULL, elem.str + elem.len - full_query + 2);
 530             if (!root)
 531             {
 532                 hr = E_OUTOFMEMORY;
 533                 break;
 534             }
 535             lstrcpynW(root, full_query, p - full_query + elem.len + 1);
 536
 537             PropVariantClear(&new_value);
 538             new_value.vt = VT_UNKNOWN;
 539             hr = MetadataQueryReader_CreateInstance(This->block, root, (IWICMetadataQueryReader **)&new_value.u.punkVal);
 540             SysFreeString(root);
 541             if (hr != S_OK) break;
 542         }
 543         else
 544         {
 545             PROPVARIANT schema, id;
 546
 547             if (!reader)
 548             {
 549                 hr = WINCODEC_ERR_INVALIDQUERYREQUEST;
 550                 break;
 551             }
 552
 553             if (tk_schema.vt == VT_BSTR)
 554             {
 555                 hr = IWICMetadataReader_GetMetadataFormat(reader, &guid);
 556                 if (hr != S_OK) break;
 557
 558                 schema.vt = VT_LPWSTR;
 559                 schema.u.pwszVal = (LPWSTR)map_shortname_to_schema(&guid, tk_schema.u.bstrVal);
 560                 if (!schema.u.pwszVal)
 561                     schema.u.pwszVal = tk_schema.u.bstrVal;
 562             }
 563             else
 564                 schema = tk_schema;
 565
 566             if (tk_id.vt == VT_BSTR)
 567             {
 568                 id.vt = VT_LPWSTR;
 569                 id.u.pwszVal = tk_id.u.bstrVal;
 570             }
 571             else
 572                 id = tk_id;
 573
 574             PropVariantClear(&new_value);
 575             hr = IWICMetadataReader_GetValue(reader, &schema, &id, &new_value);
 576             if (hr != S_OK) break;
 577         }
 578
 579         p += elem.len;
 580
 581         PropVariantClear(&tk_id);
 582         PropVariantClear(&tk_schema);
 583     }
 584
 585     if (reader)
 586         IWICMetadataReader_Release(reader);
 587
 588     PropVariantClear(&tk_id);
 589     PropVariantClear(&tk_schema);
 590
 591     if (hr == S_OK && value)
 592         *value = new_value;
 593     else
 594         PropVariantClear(&new_value);
 595
 596     HeapFree(GetProcessHeap(), 0, full_query);
 597
 598     return hr;
 599 }
 600
 601 static HRESULT WINAPI mqr_GetEnumerator(IWICMetadataQueryReader *iface,
 602         IEnumString **ppIEnumString)
 603 {
 604     QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
 605     FIXME("(%p,%p)\n", This, ppIEnumString);
 606     return E_NOTIMPL;
 607 }
 608
 609 static IWICMetadataQueryReaderVtbl mqr_vtbl = {
 610     mqr_QueryInterface,
 611     mqr_AddRef,
 612     mqr_Release,
 613     mqr_GetContainerFormat,
 614     mqr_GetLocation,
 615     mqr_GetMetadataByName,
 616     mqr_GetEnumerator
 617 };
 618
 619 HRESULT MetadataQueryReader_CreateInstance(IWICMetadataBlockReader *mbr, const WCHAR *root, IWICMetadataQueryReader **out)
 620 {
 621     QueryReader *obj;
 622
 623     obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*obj));
 624     if (!obj)
 625         return E_OUTOFMEMORY;
 626
 627     obj->IWICMetadataQueryReader_iface.lpVtbl = &mqr_vtbl;
 628     obj->ref = 1;
 629
 630     IWICMetadataBlockReader_AddRef(mbr);
 631     obj->block = mbr;
 632
 633     obj->root = root ? heap_strdupW(root) : NULL;
 634
 635     *out = &obj->IWICMetadataQueryReader_iface;
 636
 637     return S_OK;
 638 }
 639
 640 static const WCHAR bmpW[] = { 'b','m','p',0 };
 641 static const WCHAR pngW[] = { 'p','n','g',0 };
 642 static const WCHAR icoW[] = { 'i','c','o',0 };
 643 static const WCHAR jpgW[] = { 'j','p','g',0 };
 644 static const WCHAR tiffW[] = { 't','i','f','f',0 };
 645 static const WCHAR gifW[] = { 'g','i','f',0 };
 646 static const WCHAR wmphotoW[] = { 'w','m','p','h','o','t','o',0 };
 647 static const WCHAR unknownW[] = { 'u','n','k','n','o','w','n',0 };
 648 static const WCHAR ifdW[] = { 'i','f','d',0 };
 649 static const WCHAR subW[] = { 's','u','b',0 };
 650 static const WCHAR exifW[] = { 'e','x','i','f',0 };
 651 static const WCHAR gpsW[] = { 'g','p','s',0 };
 652 static const WCHAR interopW[] = { 'i','n','t','e','r','o','p',0 };
 653 static const WCHAR app0W[] = { 'a','p','p','0',0 };
 654 static const WCHAR app1W[] = { 'a','p','p','1',0 };
 655 static const WCHAR app13W[] = { 'a','p','p','1','3',0 };
 656 static const WCHAR iptcW[] = { 'i','p','t','c',0 };
 657 static const WCHAR irbW[] = { 'i','r','b',0 };
 658 static const WCHAR _8bimiptcW[] = { '8','b','i','m','i','p','t','c',0 };
 659 static const WCHAR _8bimResInfoW[] = { '8','b','i','m','R','e','s','I','n','f','o',0 };
 660 static const WCHAR _8bimiptcdigestW[] = { '8','b','i','m','i','p','t','c','d','i','g','e','s','t',0 };
 661 static const WCHAR xmpW[] = { 'x','m','p',0 };
 662 static const WCHAR thumbW[] = { 't','h','u','m','b',0 };
 663 static const WCHAR tEXtW[] = { 't','E','X','t',0 };
 664 static const WCHAR xmpstructW[] = { 'x','m','p','s','t','r','u','c','t',0 };
 665 static const WCHAR xmpbagW[] = { 'x','m','p','b','a','g',0 };
 666 static const WCHAR xmpseqW[] = { 'x','m','p','s','e','q',0 };
 667 static const WCHAR xmpaltW[] = { 'x','m','p','a','l','t',0 };
 668 static const WCHAR logscrdescW[] = { 'l','o','g','s','c','r','d','e','s','c',0 };
 669 static const WCHAR imgdescW[] = { 'i','m','g','d','e','s','c',0 };
 670 static const WCHAR grctlextW[] = { 'g','r','c','t','l','e','x','t',0 };
 671 static const WCHAR appextW[] = { 'a','p','p','e','x','t',0 };
 672 static const WCHAR chrominanceW[] = { 'c','h','r','o','m','i','n','a','n','c','e',0 };
 673 static const WCHAR luminanceW[] = { 'l','u','m','i','n','a','n','c','e',0 };
 674 static const WCHAR comW[] = { 'c','o','m',0 };
 675 static const WCHAR commentextW[] = { 'c','o','m','m','e','n','t','e','x','t',0 };
 676 static const WCHAR gAMAW[] = { 'g','A','M','A',0 };
 677 static const WCHAR bKGDW[] = { 'b','K','G','D',0 };
 678 static const WCHAR iTXtW[] = { 'i','T','X','t',0 };
 679 static const WCHAR cHRMW[] = { 'c','H','R','M',0 };
 680 static const WCHAR hISTW[] = { 'h','I','S','T',0 };
 681 static const WCHAR iCCPW[] = { 'i','C','C','P',0 };
 682 static const WCHAR sRGBW[] = { 's','R','G','B',0 };
 683 static const WCHAR tIMEW[] = { 't','I','M','E',0 };
 684
 685 static const struct
 686 {
 687     const GUID *guid;
 688     const WCHAR *name;
 689 } guid2name[] =
 690 {
 691     { &GUID_ContainerFormatBmp, bmpW },
 692     { &GUID_ContainerFormatPng, pngW },
 693     { &GUID_ContainerFormatIco, icoW },
 694     { &GUID_ContainerFormatJpeg, jpgW },
 695     { &GUID_ContainerFormatTiff, tiffW },
 696     { &GUID_ContainerFormatGif, gifW },
 697     { &GUID_ContainerFormatWmp, wmphotoW },
 698     { &GUID_MetadataFormatUnknown, unknownW },
 699     { &GUID_MetadataFormatIfd, ifdW },
 700     { &GUID_MetadataFormatSubIfd, subW },
 701     { &GUID_MetadataFormatExif, exifW },
 702     { &GUID_MetadataFormatGps, gpsW },
 703     { &GUID_MetadataFormatInterop, interopW },
 704     { &GUID_MetadataFormatApp0, app0W },
 705     { &GUID_MetadataFormatApp1, app1W },
 706     { &GUID_MetadataFormatApp13, app13W },
 707     { &GUID_MetadataFormatIPTC, iptcW },
 708     { &GUID_MetadataFormatIRB, irbW },
 709     { &GUID_MetadataFormat8BIMIPTC, _8bimiptcW },
 710     { &GUID_MetadataFormat8BIMResolutionInfo, _8bimResInfoW },
 711     { &GUID_MetadataFormat8BIMIPTCDigest, _8bimiptcdigestW },
 712     { &GUID_MetadataFormatXMP, xmpW },
 713     { &GUID_MetadataFormatThumbnail, thumbW },
 714     { &GUID_MetadataFormatChunktEXt, tEXtW },
 715     { &GUID_MetadataFormatXMPStruct, xmpstructW },
 716     { &GUID_MetadataFormatXMPBag, xmpbagW },
 717     { &GUID_MetadataFormatXMPSeq, xmpseqW },
 718     { &GUID_MetadataFormatXMPAlt, xmpaltW },
 719     { &GUID_MetadataFormatLSD, logscrdescW },
 720     { &GUID_MetadataFormatIMD, imgdescW },
 721     { &GUID_MetadataFormatGCE, grctlextW },
 722     { &GUID_MetadataFormatAPE, appextW },
 723     { &GUID_MetadataFormatJpegChrominance, chrominanceW },
 724     { &GUID_MetadataFormatJpegLuminance, luminanceW },
 725     { &GUID_MetadataFormatJpegComment, comW },
 726     { &GUID_MetadataFormatGifComment, commentextW },
 727     { &GUID_MetadataFormatChunkgAMA, gAMAW },
 728     { &GUID_MetadataFormatChunkbKGD, bKGDW },
 729     { &GUID_MetadataFormatChunkiTXt, iTXtW },
 730     { &GUID_MetadataFormatChunkcHRM, cHRMW },
 731     { &GUID_MetadataFormatChunkhIST, hISTW },
 732     { &GUID_MetadataFormatChunkiCCP, iCCPW },
 733     { &GUID_MetadataFormatChunksRGB, sRGBW },
 734     { &GUID_MetadataFormatChunktIME, tIMEW }
 735 };
 736
 737 HRESULT WINAPI WICMapGuidToShortName(REFGUID guid, UINT len, WCHAR *name, UINT *ret_len)
 738 {
 739     UINT i;
 740
 741     TRACE("%s,%u,%p,%p\n", wine_dbgstr_guid(guid), len, name, ret_len);
 742
 743     if (!guid) return E_INVALIDARG;
 744
 745     for (i = 0; i < ARRAY_SIZE(guid2name); i++)
 746     {
 747         if (IsEqualGUID(guid, guid2name[i].guid))
 748         {
 749             if (name)
 750             {
 751                 if (!len) return E_INVALIDARG;
 752
 753                 len = min(len - 1, lstrlenW(guid2name[i].name));
 754                 memcpy(name, guid2name[i].name, len * sizeof(WCHAR));
 755                 name[len] = 0;
 756
 757                 if (len < lstrlenW(guid2name[i].name))
 758                     return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 759             }
 760             if (ret_len) *ret_len = lstrlenW(guid2name[i].name) + 1;
 761             return S_OK;
 762         }
 763     }
 764
 765     return WINCODEC_ERR_PROPERTYNOTFOUND;
 766 }
 767
 768 HRESULT WINAPI WICMapShortNameToGuid(PCWSTR name, GUID *guid)
 769 {
 770     UINT i;
 771
 772     TRACE("%s,%p\n", debugstr_w(name), guid);
 773
 774     if (!name || !guid) return E_INVALIDARG;
 775
 776     for (i = 0; i < ARRAY_SIZE(guid2name); i++)
 777     {
 778         if (!lstrcmpiW(name, guid2name[i].name))
 779         {
 780             *guid = *guid2name[i].guid;
 781             return S_OK;
 782         }
 783     }
 784
 785     return WINCODEC_ERR_PROPERTYNOTFOUND;
 786 }
 787
 788 static const WCHAR rdf[] = { 'r','d','f',0 };
 789 static const WCHAR rdf_scheme[] = { 'h','t','t','p',':','/','/','w','w','w','.','w','3','.','o','r','g','/','1','9','9','9','/','0','2','/','2','2','-','r','d','f','-','s','y','n','t','a','x','-','n','s','#',0 };
 790 static const WCHAR dc[] = { 'd','c',0 };
 791 static const WCHAR dc_scheme[] = { 'h','t','t','p',':','/','/','p','u','r','l','.','o','r','g','/','d','c','/','e','l','e','m','e','n','t','s','/','1','.','1','/',0 };
 792 static const WCHAR xmp[] = { 'x','m','p',0 };
 793 static const WCHAR xmp_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/',0 };
 794 static const WCHAR xmpidq[] = { 'x','m','p','i','d','q',0 };
 795 static const WCHAR xmpidq_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','m','p','/','I','d','e','n','t','i','f','i','e','r','/','q','u','a','l','/','1','.','0','/',0 };
 796 static const WCHAR xmpRights[] = { 'x','m','p','R','i','g','h','t','s',0 };
 797 static const WCHAR xmpRights_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','r','i','g','h','t','s','/',0 };
 798 static const WCHAR xmpMM[] = { 'x','m','p','M','M',0 };
 799 static const WCHAR xmpMM_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','m','m','/',0 };
 800 static const WCHAR xmpBJ[] = { 'x','m','p','B','J',0 };
 801 static const WCHAR xmpBJ_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','b','j','/',0 };
 802 static const WCHAR xmpTPg[] = { 'x','m','p','T','P','g',0 };
 803 static const WCHAR xmpTPg_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','t','/','p','g','/',0 };
 804 static const WCHAR pdf[] = { 'p','d','f',0 };
 805 static const WCHAR pdf_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','p','d','f','/','1','.','3','/',0 };
 806 static const WCHAR photoshop[] = { 'p','h','o','t','o','s','h','o','p',0 };
 807 static const WCHAR photoshop_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','p','h','o','t','o','s','h','o','p','/','1','.','0','/',0 };
 808 static const WCHAR tiff[] = { 't','i','f','f',0 };
 809 static const WCHAR tiff_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','t','i','f','f','/','1','.','0','/',0 };
 810 static const WCHAR exif[] = { 'e','x','i','f',0 };
 811 static const WCHAR exif_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','e','x','i','f','/','1','.','0','/',0 };
 812 static const WCHAR stDim[] = { 's','t','D','i','m',0 };
 813 static const WCHAR stDim_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','s','T','y','p','e','/','D','i','m','e','n','s','i','o','n','s','#',0 };
 814 static const WCHAR xapGImg[] = { 'x','a','p','G','I','m','g',0 };
 815 static const WCHAR xapGImg_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','g','/','i','m','g','/',0 };
 816 static const WCHAR stEvt[] = { 's','t','E','v','t',0 };
 817 static const WCHAR stEvt_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','s','T','y','p','e','/','R','e','s','o','u','r','c','e','E','v','e','n','t','#',0 };
 818 static const WCHAR stRef[] = { 's','t','R','e','f',0 };
 819 static const WCHAR stRef_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','s','T','y','p','e','/','R','e','s','o','u','r','c','e','R','e','f','#',0 };
 820 static const WCHAR stVer[] = { 's','t','V','e','r',0 };
 821 static const WCHAR stVer_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','s','T','y','p','e','/','V','e','r','s','i','o','n','#',0 };
 822 static const WCHAR stJob[] = { 's','t','J','o','b',0 };
 823 static const WCHAR stJob_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','a','p','/','1','.','0','/','s','T','y','p','e','/','J','o','b','#',0 };
 824 static const WCHAR aux[] = { 'a','u','x',0 };
 825 static const WCHAR aux_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','e','x','i','f','/','1','.','0','/','a','u','x','/',0 };
 826 static const WCHAR crs[] = { 'c','r','s',0 };
 827 static const WCHAR crs_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','c','a','m','e','r','a','-','r','a','w','-','s','e','t','t','i','n','g','s','/','1','.','0','/',0 };
 828 static const WCHAR xmpDM[] = { 'x','m','p','D','M',0 };
 829 static const WCHAR xmpDM_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','a','d','o','b','e','.','c','o','m','/','x','m','p','/','1','.','0','/','D','y','n','a','m','i','c','M','e','d','i','a','/',0 };
 830 static const WCHAR Iptc4xmpCore[] = { 'I','p','t','c','4','x','m','p','C','o','r','e',0 };
 831 static const WCHAR Iptc4xmpCore_scheme[] = { 'h','t','t','p',':','/','/','i','p','t','c','.','o','r','g','/','s','t','d','/','I','p','t','c','4','x','m','p','C','o','r','e','/','1','.','0','/','x','m','l','n','s','/',0 };
 832 static const WCHAR MicrosoftPhoto[] = { 'M','i','c','r','o','s','o','f','t','P','h','o','t','o',0 };
 833 static const WCHAR MicrosoftPhoto_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','m','i','c','r','o','s','o','f','t','.','c','o','m','/','p','h','o','t','o','/','1','.','0','/',0 };
 834 static const WCHAR MP[] = { 'M','P',0 };
 835 static const WCHAR MP_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','m','i','c','r','o','s','o','f','t','.','c','o','m','/','p','h','o','t','o','/','1','.','2','/',0 };
 836 static const WCHAR MPRI[] = { 'M','P','R','I',0 };
 837 static const WCHAR MPRI_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','m','i','c','r','o','s','o','f','t','.','c','o','m','/','p','h','o','t','o','/','1','.','2','/','t','/','R','e','g','i','o','n','I','n','f','o','#',0 };
 838 static const WCHAR MPReg[] = { 'M','P','R','e','g',0 };
 839 static const WCHAR MPReg_scheme[] = { 'h','t','t','p',':','/','/','n','s','.','m','i','c','r','o','s','o','f','t','.','c','o','m','/','p','h','o','t','o','/','1','.','2','/','t','/','R','e','g','i','o','n','#',0 };
 840
 841 static const struct
 842 {
 843     const WCHAR *name;
 844     const WCHAR *schema;
 845 } name2schema[] =
 846 {
 847     { rdf, rdf_scheme },
 848     { dc, dc_scheme },
 849     { xmp, xmp_scheme },
 850     { xmpidq, xmpidq_scheme },
 851     { xmpRights, xmpRights_scheme },
 852     { xmpMM, xmpMM_scheme },
 853     { xmpBJ, xmpBJ_scheme },
 854     { xmpTPg, xmpTPg_scheme },
 855     { pdf, pdf_scheme },
 856     { photoshop, photoshop_scheme },
 857     { tiff, tiff_scheme },
 858     { exif, exif_scheme },
 859     { stDim, stDim_scheme },
 860     { xapGImg, xapGImg_scheme },
 861     { stEvt, stEvt_scheme },
 862     { stRef, stRef_scheme },
 863     { stVer, stVer_scheme },
 864     { stJob, stJob_scheme },
 865     { aux, aux_scheme },
 866     { crs, crs_scheme },
 867     { xmpDM, xmpDM_scheme },
 868     { Iptc4xmpCore, Iptc4xmpCore_scheme },
 869     { MicrosoftPhoto, MicrosoftPhoto_scheme },
 870     { MP, MP_scheme },
 871     { MPRI, MPRI_scheme },
 872     { MPReg, MPReg_scheme }
 873 };
 874
 875 static const WCHAR *map_shortname_to_schema(const GUID *format, const WCHAR *name)
 876 {
 877     UINT i;
 878
 879     /* It appears that the only metadata formats
 880      * that support schemas are xmp and xmpstruct.
 881      */
 882     if (!IsEqualGUID(format, &GUID_MetadataFormatXMP) &&
 883         !IsEqualGUID(format, &GUID_MetadataFormatXMPStruct))
 884         return NULL;
 885
 886     for (i = 0; i < ARRAY_SIZE(name2schema); i++)
 887     {
 888         if (!lstrcmpW(name2schema[i].name, name))
 889             return name2schema[i].schema;
 890     }
 891
 892     return NULL;
 893 }
 894
 895 HRESULT WINAPI WICMapSchemaToName(REFGUID format, LPWSTR schema, UINT len, WCHAR *name, UINT *ret_len)
 896 {
 897     UINT i;
 898
 899     TRACE("%s,%s,%u,%p,%p\n", wine_dbgstr_guid(format), debugstr_w(schema), len, name, ret_len);
 900
 901     if (!format || !schema || !ret_len)
 902         return E_INVALIDARG;
 903
 904     /* It appears that the only metadata formats
 905      * that support schemas are xmp and xmpstruct.
 906      */
 907     if (!IsEqualGUID(format, &GUID_MetadataFormatXMP) &&
 908         !IsEqualGUID(format, &GUID_MetadataFormatXMPStruct))
 909         return WINCODEC_ERR_PROPERTYNOTFOUND;
 910
 911     for (i = 0; i < ARRAY_SIZE(name2schema); i++)
 912     {
 913         if (!lstrcmpW(name2schema[i].schema, schema))
 914         {
 915             if (name)
 916             {
 917                 if (!len) return E_INVALIDARG;
 918
 919                 len = min(len - 1, lstrlenW(name2schema[i].name));
 920                 memcpy(name, name2schema[i].name, len * sizeof(WCHAR));
 921                 name[len] = 0;
 922
 923                 if (len < lstrlenW(name2schema[i].name))
 924                     return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
 925             }
 926
 927             *ret_len = lstrlenW(name2schema[i].name) + 1;
 928             return S_OK;
 929         }
 930     }
 931
 932     return WINCODEC_ERR_PROPERTYNOTFOUND;
 933 }