metadataquery.c File Reference

#include <stdarg.h>
#include <wchar.h>
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "propvarutil.h"
#include "wincodecs_private.h"
#include "wine/debug.h"

Include dependency graph for metadataquery.c:

Go to the source code of this file.

Classes
struct	QueryReader
struct	string_t
struct	string_enumerator
struct	QueryWriter

Macros
#define	COBJMACROS

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (wincodecs)
static const WCHAR *	map_shortname_to_schema (const GUID *format, const WCHAR *name)
static QueryReader *	impl_from_IWICMetadataQueryReader (IWICMetadataQueryReader *iface)
static HRESULT WINAPI	mqr_QueryInterface (IWICMetadataQueryReader *iface, REFIID riid, void **ppvObject)
static ULONG WINAPI	mqr_AddRef (IWICMetadataQueryReader *iface)
static ULONG WINAPI	mqr_Release (IWICMetadataQueryReader *iface)
static HRESULT WINAPI	mqr_GetContainerFormat (IWICMetadataQueryReader *iface, GUID *format)
static HRESULT WINAPI	mqr_GetLocation (IWICMetadataQueryReader *iface, UINT len, WCHAR *location, UINT *ret_len)
static VARTYPE	map_type (struct string_t *str)
static HRESULT	get_token (struct string_t *elem, PROPVARIANT *id, PROPVARIANT *schema, int *idx)
static HRESULT	find_reader_from_block (IWICMetadataBlockReader *block_reader, UINT index, GUID *guid, IWICMetadataReader **reader)
static HRESULT	get_next_reader (IWICMetadataReader *reader, UINT index, GUID *guid, IWICMetadataReader **new_reader)
static HRESULT WINAPI	mqr_GetMetadataByName (IWICMetadataQueryReader *iface, LPCWSTR query, PROPVARIANT *value)
static struct string_enumerator *	impl_from_IEnumString (IEnumString *iface)
static HRESULT WINAPI	string_enumerator_QueryInterface (IEnumString *iface, REFIID riid, void **ppv)
static ULONG WINAPI	string_enumerator_AddRef (IEnumString *iface)
static ULONG WINAPI	string_enumerator_Release (IEnumString *iface)
static HRESULT WINAPI	string_enumerator_Next (IEnumString *iface, ULONG count, LPOLESTR *strings, ULONG *ret)
static HRESULT WINAPI	string_enumerator_Reset (IEnumString *iface)
static HRESULT WINAPI	string_enumerator_Skip (IEnumString *iface, ULONG count)
static HRESULT WINAPI	string_enumerator_Clone (IEnumString *iface, IEnumString **out)
static HRESULT	string_enumerator_create (IEnumString **enum_string)
static HRESULT WINAPI	mqr_GetEnumerator (IWICMetadataQueryReader *iface, IEnumString **enum_string)
HRESULT	MetadataQueryReader_CreateInstance (IWICMetadataBlockReader *mbr, const WCHAR *root, IWICMetadataQueryReader **out)
static QueryWriter *	impl_from_IWICMetadataQueryWriter (IWICMetadataQueryWriter *iface)
static HRESULT WINAPI	mqw_QueryInterface (IWICMetadataQueryWriter *iface, REFIID riid, void **object)
static ULONG WINAPI	mqw_AddRef (IWICMetadataQueryWriter *iface)
static ULONG WINAPI	mqw_Release (IWICMetadataQueryWriter *iface)
static HRESULT WINAPI	mqw_GetContainerFormat (IWICMetadataQueryWriter *iface, GUID *container_format)
static HRESULT WINAPI	mqw_GetEnumerator (IWICMetadataQueryWriter *iface, IEnumString **enum_string)
static HRESULT WINAPI	mqw_GetLocation (IWICMetadataQueryWriter *iface, UINT max_length, WCHAR *namespace, UINT *actual_length)
static HRESULT WINAPI	mqw_GetMetadataByName (IWICMetadataQueryWriter *iface, LPCWSTR name, PROPVARIANT *value)
static HRESULT WINAPI	mqw_SetMetadataByName (IWICMetadataQueryWriter *iface, LPCWSTR name, const PROPVARIANT *value)
static HRESULT WINAPI	mqw_RemoveMetadataByName (IWICMetadataQueryWriter *iface, LPCWSTR name)
HRESULT	MetadataQueryWriter_CreateInstance (IWICMetadataBlockWriter *mbw, const WCHAR *root, IWICMetadataQueryWriter **out)
HRESULT WINAPI	WICMapGuidToShortName (REFGUID guid, UINT len, WCHAR *name, UINT *ret_len)
HRESULT WINAPI	WICMapShortNameToGuid (PCWSTR name, GUID *guid)
HRESULT WINAPI	WICMapSchemaToName (REFGUID format, LPWSTR schema, UINT len, WCHAR *name, UINT *ret_len)

Variables
struct {
int   len
WCHAR   str [10]
VARTYPE   vt
}	str2vt []
static const IEnumStringVtbl	string_enumerator_vtbl
static IWICMetadataQueryReaderVtbl	mqr_vtbl
static const IWICMetadataQueryWriterVtbl	mqw_vtbl
struct {
const GUID *   guid
const WCHAR *   name
}	guid2name []
struct {
const WCHAR *   name
const WCHAR *   schema
}	name2schema []

Macro Definition Documentation

COBJMACROS

#define COBJMACROS

Definition at line 23 of file metadataquery.c.

Function Documentation

find_reader_from_block()

static HRESULT find_reader_from_block ( IWICMetadataBlockReader *  block_reader, UINT  index, GUID *  guid, IWICMetadataReader **  reader  )

static

Definition at line 372 of file metadataquery.c.

{
    HRESULT hr;
    GUID format;
    IWICMetadataReader *new_reader;
    UINT count, i, matched_index;
 
    *reader = NULL;
 
    hr = IWICMetadataBlockReader_GetCount(block_reader, &count);
    if (hr != S_OK) return hr;
 
    matched_index = 0;
 
    for (i = 0; i < count; i++)
    {
        hr = IWICMetadataBlockReader_GetReaderByIndex(block_reader, i, &new_reader);
        if (hr != S_OK) return hr;
 
        hr = IWICMetadataReader_GetMetadataFormat(new_reader, &format);
        if (hr == S_OK)
        {
            if (IsEqualGUID(&format, guid))
            {
                if (matched_index == index)
                {
                    *reader = new_reader;
                    return S_OK;
                }
 
                matched_index++;
            }
        }
 
        IWICMetadataReader_Release(new_reader);
        if (hr != S_OK) return hr;
    }
 
    return WINCODEC_ERR_PROPERTYNOTFOUND;
}

Referenced by mqr_GetMetadataByName().

get_next_reader()

static HRESULT get_next_reader ( IWICMetadataReader *  reader, UINT  index, GUID *  guid, IWICMetadataReader **  new_reader  )

static

Definition at line 414 of file metadataquery.c.

{
    HRESULT hr;
    PROPVARIANT schema, id, value;
 
    *new_reader = NULL;
 
    PropVariantInit(&schema);
    PropVariantInit(&id);
    PropVariantInit(&value);
 
    if (index)
    {
        schema.vt = VT_UI2;
        schema.uiVal = index;
    }
 
    id.vt = VT_CLSID;
    id.puuid = guid;
    hr = IWICMetadataReader_GetValue(reader, &schema, &id, &value);
    if (hr != S_OK) return hr;
 
    if (value.vt == VT_UNKNOWN)
        hr = IUnknown_QueryInterface(value.punkVal, &IID_IWICMetadataReader, (void **)new_reader);
    else
        hr = WINCODEC_ERR_UNEXPECTEDMETADATATYPE;
 
    PropVariantClear(&value);
    return hr;
}

Referenced by mqr_GetMetadataByName().

get_token()

static HRESULT get_token ( struct string_t *  elem, PROPVARIANT *  id, PROPVARIANT *  schema, int *  idx  )

static

Definition at line 178 of file metadataquery.c.

{
    const WCHAR *start, *end, *p;
    WCHAR *bstr;
    struct string_t next_elem;
    HRESULT hr;
 
    TRACE("%s, len %d\n", wine_dbgstr_wn(elem->str, elem->len), elem->len);
 
    PropVariantInit(id);
    PropVariantInit(schema);
 
    if (!elem->len) return S_OK;
 
    start = elem->str;
 
    if (*start == '[')
    {
        WCHAR *idx_end;
 
        if (start[1] < '0' || start[1] > '9') return DISP_E_TYPEMISMATCH;
 
        *idx = wcstol(start + 1, &idx_end, 10);
        if (idx_end > elem->str + elem->len) return WINCODEC_ERR_INVALIDQUERYREQUEST;
        if (*idx_end != ']') return WINCODEC_ERR_INVALIDQUERYREQUEST;
        if (*idx < 0) return WINCODEC_ERR_INVALIDQUERYREQUEST;
        end = idx_end + 1;
 
        next_elem.str = end;
        next_elem.len = elem->len - (end - start);
        hr = get_token(&next_elem, id, schema, idx);
        if (hr != S_OK)
        {
            TRACE("get_token error %#lx\n", hr);
            return hr;
        }
        elem->len = (end - start) + next_elem.len;
 
        TRACE("indexed %s [%d]\n", wine_dbgstr_wn(elem->str, elem->len), *idx);
        return S_OK;
    }
    else if (*start == '{')
    {
        VARTYPE vt;
        PROPVARIANT next_token;
 
        end = wmemchr(start + 1, '=', elem->len - 1);
        if (!end) return WINCODEC_ERR_INVALIDQUERYREQUEST;
        if (end > elem->str + elem->len) return WINCODEC_ERR_INVALIDQUERYREQUEST;
 
        next_elem.str = start + 1;
        next_elem.len = end - start - 1;
        vt = map_type(&next_elem);
        TRACE("type %s => %d\n", wine_dbgstr_wn(next_elem.str, next_elem.len), vt);
        if (vt == VT_ILLEGAL) return WINCODEC_ERR_WRONGSTATE;
 
        next_token.vt = VT_BSTR;
        next_token.bstrVal = SysAllocStringLen(NULL, elem->len - (end - start) + 1);
        if (!next_token.bstrVal) return E_OUTOFMEMORY;
 
        bstr = next_token.bstrVal;
 
        end++;
        while (*end && *end != '}' && end - start < elem->len)
        {
            if (*end == '\\') end++;
            *bstr++ = *end++;
        }
        if (*end != '}')
        {
            PropVariantClear(&next_token);
            return WINCODEC_ERR_INVALIDQUERYREQUEST;
        }
        *bstr = 0;
        TRACE("schema/id %s\n", wine_dbgstr_w(next_token.bstrVal));
 
        if (vt == VT_CLSID)
        {
            id->vt = VT_CLSID;
            id->puuid = CoTaskMemAlloc(sizeof(GUID));
            if (!id->puuid)
            {
                PropVariantClear(&next_token);
                return E_OUTOFMEMORY;
            }
 
            hr = UuidFromStringW(next_token.bstrVal, id->puuid);
        }
        else
            hr = PropVariantChangeType(id, &next_token, 0, vt);
        PropVariantClear(&next_token);
        if (hr != S_OK)
        {
            PropVariantClear(id);
            PropVariantClear(schema);
            return hr;
        }
 
        end++;
        if (*end == ':')
        {
            PROPVARIANT next_id, next_schema;
            int next_idx = 0;
 
            next_elem.str = end + 1;
            next_elem.len = elem->len - (end - start + 1);
            hr = get_token(&next_elem, &next_id, &next_schema, &next_idx);
            if (hr != S_OK)
            {
                TRACE("get_token error %#lx\n", hr);
                return hr;
            }
            elem->len = (end - start + 1) + next_elem.len;
 
            TRACE("id %s [%d]\n", wine_dbgstr_wn(elem->str, elem->len), *idx);
 
            if (next_schema.vt != VT_EMPTY)
            {
                PropVariantClear(&next_id);
                PropVariantClear(&next_schema);
                return WINCODEC_ERR_WRONGSTATE;
            }
 
            *schema = *id;
            *id = next_id;
 
            return S_OK;
        }
 
        elem->len = end - start;
        return S_OK;
    }
 
    end = wmemchr(start, '/', elem->len);
    if (!end) end = start + elem->len;
 
    p = wmemchr(start, ':', end - start);
    if (p)
    {
        next_elem.str = p + 1;
        next_elem.len = end - p - 1;
 
        elem->len = p - start;
    }
    else
        elem->len = end - start;
 
    id->vt = VT_BSTR;
    id->bstrVal = SysAllocStringLen(NULL, elem->len + 1);
    if (!id->bstrVal) return E_OUTOFMEMORY;
 
    bstr = id->bstrVal;
    p = elem->str;
    while (p - elem->str < elem->len)
    {
        if (*p == '\\') p++;
        *bstr++ = *p++;
    }
    *bstr = 0;
    TRACE("%s [%d]\n", wine_dbgstr_variant((VARIANT *)id), *idx);
 
    if (*p == ':')
    {
        PROPVARIANT next_id, next_schema;
        int next_idx = 0;
 
        hr = get_token(&next_elem, &next_id, &next_schema, &next_idx);
        if (hr != S_OK)
        {
            TRACE("get_token error %#lx\n", hr);
            PropVariantClear(id);
            PropVariantClear(schema);
            return hr;
        }
        elem->len += next_elem.len + 1;
 
        TRACE("id %s [%d]\n", wine_dbgstr_wn(elem->str, elem->len), *idx);
 
        if (next_schema.vt != VT_EMPTY)
        {
            PropVariantClear(&next_id);
            PropVariantClear(&next_schema);
            PropVariantClear(id);
            PropVariantClear(schema);
            return WINCODEC_ERR_WRONGSTATE;
        }
 
        *schema = *id;
        *id = next_id;
    }
 
    return S_OK;
}

Referenced by get_token(), and mqr_GetMetadataByName().

impl_from_IEnumString()

static struct string_enumerator * impl_from_IEnumString ( IEnumString *  iface )

static

Definition at line 603 of file metadataquery.c.

{
    return CONTAINING_RECORD(iface, struct string_enumerator, IEnumString_iface);
}

Referenced by string_enumerator_AddRef(), string_enumerator_QueryInterface(), and string_enumerator_Release().

impl_from_IWICMetadataQueryReader()

static QueryReader * impl_from_IWICMetadataQueryReader ( IWICMetadataQueryReader *  iface )

inlinestatic

Definition at line 44 of file metadataquery.c.

{
    return CONTAINING_RECORD(iface, QueryReader, IWICMetadataQueryReader_iface);
}

Referenced by mqr_AddRef(), mqr_GetContainerFormat(), mqr_GetLocation(), mqr_GetMetadataByName(), mqr_QueryInterface(), and mqr_Release().

impl_from_IWICMetadataQueryWriter()

static QueryWriter * impl_from_IWICMetadataQueryWriter ( IWICMetadataQueryWriter *  iface )

inlinestatic

Definition at line 757 of file metadataquery.c.

{
    return CONTAINING_RECORD(iface, QueryWriter, IWICMetadataQueryWriter_iface);
}

Referenced by mqw_AddRef(), mqw_QueryInterface(), and mqw_Release().

map_shortname_to_schema()

static const WCHAR * map_shortname_to_schema ( const GUID *  format, const WCHAR *  name  )

static

Definition at line 1025 of file metadataquery.c.

{
    UINT i;
 
    /* It appears that the only metadata formats
     * that support schemas are xmp and xmpstruct.
     */
    if (!IsEqualGUID(format, &GUID_MetadataFormatXMP) &&
        !IsEqualGUID(format, &GUID_MetadataFormatXMPStruct))
        return NULL;
 
    for (i = 0; i < ARRAY_SIZE(name2schema); i++)
    {
        if (!wcscmp(name2schema[i].name, name))
            return name2schema[i].schema;
    }
 
    return NULL;
}

Referenced by mqr_GetMetadataByName().

map_type()

static VARTYPE map_type ( struct string_t *  str )

static

Definition at line 159 of file metadataquery.c.

{
    UINT i;
 
    for (i = 0; i < ARRAY_SIZE(str2vt); i++)
    {
        if (str2vt[i].len == str->len)
        {
            if (CompareStringW(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE,
                str->str, str->len, str2vt[i].str, str2vt[i].len) == CSTR_EQUAL)
                return str2vt[i].vt;
        }
    }
 
    WARN("type %s is not recognized\n", wine_dbgstr_wn(str->str, str->len));
 
    return VT_ILLEGAL;
}

Referenced by _STLP_STATIC_ASSERT(), and get_token().

MetadataQueryReader_CreateInstance()

HRESULT MetadataQueryReader_CreateInstance	(	IWICMetadataBlockReader *	mbr,
		const WCHAR *	root,
		IWICMetadataQueryReader **	out
	)

Definition at line 727 of file metadataquery.c.

{
    QueryReader *obj;
 
    obj = calloc(1, sizeof(*obj));
    if (!obj)
        return E_OUTOFMEMORY;
 
    obj->IWICMetadataQueryReader_iface.lpVtbl = &mqr_vtbl;
    obj->ref = 1;
 
    IWICMetadataBlockReader_AddRef(mbr);
    obj->block = mbr;
 
    obj->root = wcsdup(root);
 
    *out = &obj->IWICMetadataQueryReader_iface;
 
    return S_OK;
}

Referenced by ComponentFactory_CreateQueryReaderFromBlockReader(), GifDecoder_GetMetadataQueryReader(), GifFrameDecode_GetMetadataQueryReader(), and mqr_GetMetadataByName().

MetadataQueryWriter_CreateInstance()

HRESULT MetadataQueryWriter_CreateInstance	(	IWICMetadataBlockWriter *	mbw,
		const WCHAR *	root,
		IWICMetadataQueryWriter **	out
	)

Definition at line 867 of file metadataquery.c.

{
    QueryWriter *obj;
 
    obj = calloc(1, sizeof(*obj));
    if (!obj)
        return E_OUTOFMEMORY;
 
    obj->IWICMetadataQueryWriter_iface.lpVtbl = &mqw_vtbl;
    obj->ref = 1;
 
    IWICMetadataBlockWriter_AddRef(mbw);
    obj->block = mbw;
 
    obj->root = wcsdup(root);
 
    *out = &obj->IWICMetadataQueryWriter_iface;
 
    return S_OK;
}

Referenced by CommonEncoderFrame_GetMetadataQueryWriter(), ComponentFactory_CreateQueryWriterFromBlockWriter(), and GifFrameEncode_GetMetadataQueryWriter().

mqr_AddRef()

static ULONG WINAPI mqr_AddRef ( IWICMetadataQueryReader *  iface )

static

Definition at line 71 of file metadataquery.c.

{
    QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
    ULONG ref = InterlockedIncrement(&This->ref);
    TRACE("(%p) refcount=%lu\n", This, ref);
    return ref;
}

mqr_GetContainerFormat()

static HRESULT WINAPI mqr_GetContainerFormat ( IWICMetadataQueryReader *  iface, GUID *  format  )

static

Definition at line 93 of file metadataquery.c.

{
    QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
 
    TRACE("(%p,%p)\n", This, format);
 
    return IWICMetadataBlockReader_GetContainerFormat(This->block, format);
}

mqr_GetEnumerator()

static HRESULT WINAPI mqr_GetEnumerator ( IWICMetadataQueryReader *  iface, IEnumString **  enum_string  )

static

Definition at line 709 of file metadataquery.c.

{
    TRACE("iface %p, enum_string %p.\n", iface, enum_string);
 
    return string_enumerator_create(enum_string);
}

mqr_GetLocation()

static HRESULT WINAPI mqr_GetLocation ( IWICMetadataQueryReader *  iface, UINT  len, WCHAR *  location, UINT *  ret_len  )

static

Definition at line 102 of file metadataquery.c.

{
    QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
    const WCHAR *root;
    UINT actual_len;
 
    TRACE("(%p,%u,%p,%p)\n", This, len, location, ret_len);
 
    if (!ret_len) return E_INVALIDARG;
 
    root = This->root ? This->root : L"/";
    actual_len = lstrlenW(root) + 1;
 
    if (location)
    {
        if (len < actual_len)
            return WINCODEC_ERR_INSUFFICIENTBUFFER;
 
        memcpy(location, root, actual_len * sizeof(WCHAR));
    }
 
    *ret_len = actual_len;
 
    return S_OK;
}

mqr_GetMetadataByName()

static HRESULT WINAPI mqr_GetMetadataByName ( IWICMetadataQueryReader *  iface, LPCWSTR  query, PROPVARIANT *  value  )

static

Definition at line 446 of file metadataquery.c.

{
    QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
    struct string_t elem;
    WCHAR *full_query;
    const WCHAR *p;
    int index, len;
    PROPVARIANT tk_id, tk_schema, new_value;
    GUID guid;
    IWICMetadataReader *reader;
    HRESULT hr = S_OK;
 
    TRACE("(%p,%s,%p)\n", This, wine_dbgstr_w(query), value);
 
    len = lstrlenW(query) + 1;
    if (This->root) len += lstrlenW(This->root);
    full_query = malloc(len * sizeof(WCHAR));
    full_query[0] = 0;
    if (This->root)
        lstrcpyW(full_query, This->root);
    lstrcatW(full_query, query);
 
    PropVariantInit(&tk_id);
    PropVariantInit(&tk_schema);
    PropVariantInit(&new_value);
 
    reader = NULL;
    p = full_query;
 
    while (*p)
    {
        if (*p != '/')
        {
            WARN("query should start with '/'\n");
            hr = WINCODEC_ERR_PROPERTYNOTSUPPORTED;
            break;
        }
 
        p++;
 
        index = 0;
        elem.str = p;
        elem.len = lstrlenW(p);
        hr = get_token(&elem, &tk_id, &tk_schema, &index);
        if (hr != S_OK)
        {
            WARN("get_token error %#lx\n", hr);
            break;
        }
        TRACE("parsed %d characters: %s, index %d\n", elem.len, wine_dbgstr_wn(elem.str, elem.len), index);
        TRACE("id %s, schema %s\n", wine_dbgstr_variant((VARIANT *)&tk_id), wine_dbgstr_variant((VARIANT *)&tk_schema));
 
        if (!elem.len) break;
 
        if (tk_id.vt == VT_CLSID || (tk_id.vt == VT_BSTR && WICMapShortNameToGuid(tk_id.bstrVal, &guid) == S_OK))
        {
            WCHAR *root;
 
            if (tk_schema.vt != VT_EMPTY)
            {
                FIXME("unsupported schema vt %u\n", tk_schema.vt);
                PropVariantClear(&tk_schema);
            }
 
            if (tk_id.vt == VT_CLSID) guid = *tk_id.puuid;
 
            if (reader)
            {
                IWICMetadataReader *new_reader;
 
                hr = get_next_reader(reader, index, &guid, &new_reader);
                IWICMetadataReader_Release(reader);
                reader = new_reader;
            }
            else
                hr = find_reader_from_block(This->block, index, &guid, &reader);
 
            if (hr != S_OK) break;
 
            root = SysAllocStringLen(NULL, elem.str + elem.len - full_query + 2);
            if (!root)
            {
                hr = E_OUTOFMEMORY;
                break;
            }
            lstrcpynW(root, full_query, p - full_query + elem.len + 1);
 
            PropVariantClear(&new_value);
            new_value.vt = VT_UNKNOWN;
            hr = MetadataQueryReader_CreateInstance(This->block, root, (IWICMetadataQueryReader **)&new_value.punkVal);
            SysFreeString(root);
            if (hr != S_OK) break;
        }
        else
        {
            PROPVARIANT schema, id;
 
            if (!reader)
            {
                hr = WINCODEC_ERR_INVALIDQUERYREQUEST;
                break;
            }
 
            if (tk_schema.vt == VT_BSTR)
            {
                hr = IWICMetadataReader_GetMetadataFormat(reader, &guid);
                if (hr != S_OK) break;
 
                schema.vt = VT_LPWSTR;
                schema.pwszVal = (LPWSTR)map_shortname_to_schema(&guid, tk_schema.bstrVal);
                if (!schema.pwszVal)
                    schema.pwszVal = tk_schema.bstrVal;
            }
            else
                schema = tk_schema;
 
            if (tk_id.vt == VT_BSTR)
            {
                id.vt = VT_LPWSTR;
                id.pwszVal = tk_id.bstrVal;
            }
            else
                id = tk_id;
 
            PropVariantClear(&new_value);
            hr = IWICMetadataReader_GetValue(reader, &schema, &id, &new_value);
            if (hr != S_OK) break;
        }
 
        p += elem.len;
 
        PropVariantClear(&tk_id);
        PropVariantClear(&tk_schema);
    }
 
    if (reader)
        IWICMetadataReader_Release(reader);
 
    PropVariantClear(&tk_id);
    PropVariantClear(&tk_schema);
 
    if (hr == S_OK && value)
        *value = new_value;
    else
        PropVariantClear(&new_value);
 
    free(full_query);
 
    return hr;
}

mqr_QueryInterface()

static HRESULT WINAPI mqr_QueryInterface ( IWICMetadataQueryReader *  iface, REFIID  riid, void **  ppvObject  )

static

Definition at line 49 of file metadataquery.c.

{
    QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
 
    TRACE("(%p,%s,%p)\n", This, debugstr_guid(riid), ppvObject);
 
    if (IsEqualGUID(riid, &IID_IUnknown) ||
            IsEqualGUID(riid, &IID_IWICMetadataQueryReader))
        *ppvObject = &This->IWICMetadataQueryReader_iface;
    else
        *ppvObject = NULL;
 
    if (*ppvObject)
    {
        IUnknown_AddRef((IUnknown*)*ppvObject);
        return S_OK;
    }
 
    return E_NOINTERFACE;
}

mqr_Release()

static ULONG WINAPI mqr_Release ( IWICMetadataQueryReader *  iface )

static

Definition at line 79 of file metadataquery.c.

{
    QueryReader *This = impl_from_IWICMetadataQueryReader(iface);
    ULONG ref = InterlockedDecrement(&This->ref);
    TRACE("(%p) refcount=%lu\n", This, ref);
    if (!ref)
    {
        IWICMetadataBlockReader_Release(This->block);
        free(This->root);
        free(This);
    }
    return ref;
}

mqw_AddRef()

static ULONG WINAPI mqw_AddRef ( IWICMetadataQueryWriter *  iface )

static

Definition at line 785 of file metadataquery.c.

{
    QueryWriter *writer = impl_from_IWICMetadataQueryWriter(iface);
    ULONG ref = InterlockedIncrement(&writer->ref);
 
    TRACE("writer %p, refcount=%lu\n", writer, ref);
 
    return ref;
}

mqw_GetContainerFormat()

static HRESULT WINAPI mqw_GetContainerFormat ( IWICMetadataQueryWriter *  iface, GUID *  container_format  )

static

Definition at line 811 of file metadataquery.c.

{
    FIXME("iface %p, container_format %p stub.\n", iface, container_format);
 
    return E_NOTIMPL;
}

mqw_GetEnumerator()

static HRESULT WINAPI mqw_GetEnumerator ( IWICMetadataQueryWriter *  iface, IEnumString **  enum_string  )

static

Definition at line 818 of file metadataquery.c.

{
    TRACE("iface %p, enum_string %p.\n", iface, enum_string);
 
    return string_enumerator_create(enum_string);
}

mqw_GetLocation()

static HRESULT WINAPI mqw_GetLocation ( IWICMetadataQueryWriter *  iface, UINT  max_length, WCHAR *  namespace, UINT *  actual_length  )

static

Definition at line 825 of file metadataquery.c.

{
    FIXME("iface %p, max_length %u, namespace %s, actual_length %p stub.\n",
            iface, max_length, debugstr_w(namespace), actual_length);
 
    return E_NOTIMPL;
}

mqw_GetMetadataByName()

static HRESULT WINAPI mqw_GetMetadataByName ( IWICMetadataQueryWriter *  iface, LPCWSTR  name, PROPVARIANT *  value  )

static

Definition at line 833 of file metadataquery.c.

{
    FIXME("name %s, value %p stub.\n", debugstr_w(name), value);
 
    return E_NOTIMPL;
}

mqw_QueryInterface()

static HRESULT WINAPI mqw_QueryInterface ( IWICMetadataQueryWriter *  iface, REFIID  riid, void **  object  )

static

Definition at line 762 of file metadataquery.c.

{
    QueryWriter *writer = impl_from_IWICMetadataQueryWriter(iface);
 
    TRACE("writer %p, riid %s, object %p.\n", writer, debugstr_guid(riid), object);
 
    if (IsEqualGUID(riid, &IID_IUnknown)
            || IsEqualGUID(riid, &IID_IWICMetadataQueryWriter)
            || IsEqualGUID(riid, &IID_IWICMetadataQueryReader))
        *object = &writer->IWICMetadataQueryWriter_iface;
    else
        *object = NULL;
 
    if (*object)
    {
        IUnknown_AddRef((IUnknown *)*object);
        return S_OK;
    }
 
    return E_NOINTERFACE;
}

mqw_Release()

static ULONG WINAPI mqw_Release ( IWICMetadataQueryWriter *  iface )

static

Definition at line 795 of file metadataquery.c.

{
    QueryWriter *writer = impl_from_IWICMetadataQueryWriter(iface);
    ULONG ref = InterlockedDecrement(&writer->ref);
 
    TRACE("writer %p, refcount=%lu.\n", writer, ref);
 
    if (!ref)
    {
        IWICMetadataBlockWriter_Release(writer->block);
        free(writer->root);
        free(writer);
    }
    return ref;
}

mqw_RemoveMetadataByName()

static HRESULT WINAPI mqw_RemoveMetadataByName ( IWICMetadataQueryWriter *  iface, LPCWSTR  name  )

static

Definition at line 847 of file metadataquery.c.

{
    FIXME("iface %p, name %s stub.\n", iface, debugstr_w(name));
 
    return E_NOTIMPL;
}

mqw_SetMetadataByName()

static HRESULT WINAPI mqw_SetMetadataByName ( IWICMetadataQueryWriter *  iface, LPCWSTR  name, const PROPVARIANT *  value  )

static

Definition at line 840 of file metadataquery.c.

{
    FIXME("iface %p, name %s, value %p stub.\n", iface, debugstr_w(name), value);
 
    return S_OK;
}

string_enumerator_AddRef()

static ULONG WINAPI string_enumerator_AddRef ( IEnumString *  iface )

static

Definition at line 627 of file metadataquery.c.

{
    struct string_enumerator *this = impl_from_IEnumString(iface);
    ULONG ref = InterlockedIncrement(&this->ref);
 
    TRACE("iface %p, ref %lu.\n", iface, ref);
 
    return ref;
}

string_enumerator_Clone()

static HRESULT WINAPI string_enumerator_Clone ( IEnumString *  iface, IEnumString **  out  )

static

Definition at line 675 of file metadataquery.c.

{
    FIXME("iface %p, out %p stub.\n", iface, out);
 
    *out = NULL;
    return E_NOTIMPL;
}

string_enumerator_create()

static HRESULT string_enumerator_create ( IEnumString **  enum_string )

static

Definition at line 694 of file metadataquery.c.

{
    struct string_enumerator *object;
 
    if (!(object = calloc(1, sizeof(*object))))
        return E_OUTOFMEMORY;
 
    object->IEnumString_iface.lpVtbl = &string_enumerator_vtbl;
    object->ref = 1;
 
    *enum_string = &object->IEnumString_iface;
 
    return S_OK;
}

Referenced by mqr_GetEnumerator(), and mqw_GetEnumerator().

string_enumerator_Next()

static HRESULT WINAPI string_enumerator_Next ( IEnumString *  iface, ULONG  count, LPOLESTR *  strings, ULONG *  ret  )

static

Definition at line 650 of file metadataquery.c.

{
    FIXME("iface %p, count %lu, strings %p, ret %p stub.\n", iface, count, strings, ret);
 
    if (!strings || !ret)
        return E_INVALIDARG;
 
    *ret = 0;
    return count ? S_FALSE : S_OK;
}

string_enumerator_QueryInterface()

static HRESULT WINAPI string_enumerator_QueryInterface ( IEnumString *  iface, REFIID  riid, void **  ppv  )

static

Definition at line 608 of file metadataquery.c.

{
    struct string_enumerator *this = impl_from_IEnumString(iface);
 
    TRACE("iface %p, riid %s, ppv %p.\n", iface, debugstr_guid(riid), ppv);
 
    if (IsEqualGUID(riid, &IID_IEnumString) || IsEqualGUID(riid, &IID_IUnknown))
        *ppv = &this->IEnumString_iface;
    else
    {
        WARN("Unknown riid %s.\n", debugstr_guid(riid));
        *ppv = NULL;
        return E_NOINTERFACE;
    }
 
    IUnknown_AddRef(&this->IEnumString_iface);
    return S_OK;
}

string_enumerator_Release()

static ULONG WINAPI string_enumerator_Release ( IEnumString *  iface )

static

Definition at line 637 of file metadataquery.c.

{
    struct string_enumerator *this = impl_from_IEnumString(iface);
    ULONG ref = InterlockedDecrement(&this->ref);
 
    TRACE("iface %p, ref %lu.\n", iface, ref);
 
    if (!ref)
        free(this);
 
    return ref;
}

string_enumerator_Reset()

static HRESULT WINAPI string_enumerator_Reset ( IEnumString *  iface )

static

Definition at line 661 of file metadataquery.c.

{
    TRACE("iface %p.\n", iface);
 
    return S_OK;
}

string_enumerator_Skip()

static HRESULT WINAPI string_enumerator_Skip ( IEnumString *  iface, ULONG  count  )

static

Definition at line 668 of file metadataquery.c.

{
    FIXME("iface %p, count %lu stub.\n", iface, count);
 
    return count ? S_FALSE : S_OK;
}

WICMapGuidToShortName()

HRESULT WINAPI WICMapGuidToShortName	(	REFGUID	guid,
		UINT	len,
		WCHAR *	name,
		UINT *	ret_len
	)

Definition at line 940 of file metadataquery.c.

{
    UINT i;
 
    TRACE("%s,%u,%p,%p\n", wine_dbgstr_guid(guid), len, name, ret_len);
 
    if (!guid) return E_INVALIDARG;
 
    for (i = 0; i < ARRAY_SIZE(guid2name); i++)
    {
        if (IsEqualGUID(guid, guid2name[i].guid))
        {
            if (name)
            {
                if (!len) return E_INVALIDARG;
 
                len = min(len - 1, lstrlenW(guid2name[i].name));
                memcpy(name, guid2name[i].name, len * sizeof(WCHAR));
                name[len] = 0;
 
                if (len < lstrlenW(guid2name[i].name))
                    return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
            }
            if (ret_len) *ret_len = lstrlenW(guid2name[i].name) + 1;
            return S_OK;
        }
    }
 
    return WINCODEC_ERR_PROPERTYNOTFOUND;
}

Referenced by test_metadata_gif(), and test_WICMapGuidToShortName().

WICMapSchemaToName()

HRESULT WINAPI WICMapSchemaToName	(	REFGUID	format,
		LPWSTR	schema,
		UINT	len,
		WCHAR *	name,
		UINT *	ret_len
	)

Definition at line 1045 of file metadataquery.c.

{
    UINT i;
 
    TRACE("%s,%s,%u,%p,%p\n", wine_dbgstr_guid(format), debugstr_w(schema), len, name, ret_len);
 
    if (!format || !schema || !ret_len)
        return E_INVALIDARG;
 
    /* It appears that the only metadata formats
     * that support schemas are xmp and xmpstruct.
     */
    if (!IsEqualGUID(format, &GUID_MetadataFormatXMP) &&
        !IsEqualGUID(format, &GUID_MetadataFormatXMPStruct))
        return WINCODEC_ERR_PROPERTYNOTFOUND;
 
    for (i = 0; i < ARRAY_SIZE(name2schema); i++)
    {
        if (!wcscmp(name2schema[i].schema, schema))
        {
            if (name)
            {
                if (!len) return E_INVALIDARG;
 
                len = min(len - 1, lstrlenW(name2schema[i].name));
                memcpy(name, name2schema[i].name, len * sizeof(WCHAR));
                name[len] = 0;
 
                if (len < lstrlenW(name2schema[i].name))
                    return HRESULT_FROM_WIN32(ERROR_INSUFFICIENT_BUFFER);
            }
 
            *ret_len = lstrlenW(name2schema[i].name) + 1;
            return S_OK;
        }
    }
 
    return WINCODEC_ERR_PROPERTYNOTFOUND;
}

Referenced by test_WICMapSchemaToName().

WICMapShortNameToGuid()

HRESULT WINAPI WICMapShortNameToGuid	(	PCWSTR	name,
		GUID *	guid
	)

Definition at line 971 of file metadataquery.c.

{
    UINT i;
 
    TRACE("%s,%p\n", debugstr_w(name), guid);
 
    if (!name || !guid) return E_INVALIDARG;
 
    for (i = 0; i < ARRAY_SIZE(guid2name); i++)
    {
        if (!lstrcmpiW(name, guid2name[i].name))
        {
            *guid = *guid2name[i].guid;
            return S_OK;
        }
    }
 
    return WINCODEC_ERR_PROPERTYNOTFOUND;
}

Referenced by mqr_GetMetadataByName(), test_metadata_gif(), and test_WICMapShortNameToGuid().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

wincodecs

)

Variable Documentation

guid

const GUID* guid

Definition at line 890 of file metadataquery.c.

Referenced by find_reader_from_block(), get_next_reader(), mqr_GetMetadataByName(), WICMapGuidToShortName(), and WICMapShortNameToGuid().

const struct { ... } guid2name[]

Referenced by WICMapGuidToShortName(), and WICMapShortNameToGuid().

len

int len

Definition at line 136 of file metadataquery.c.

Referenced by mqr_GetMetadataByName(), WICMapGuidToShortName(), and WICMapSchemaToName().

mqr_vtbl

IWICMetadataQueryReaderVtbl mqr_vtbl

static

Initial value:

= {
    mqr_QueryInterface,
    mqr_AddRef,
    mqr_Release,
    mqr_GetContainerFormat,
    mqr_GetLocation,
    mqr_GetMetadataByName,
    mqr_GetEnumerator
}

Definition at line 717 of file metadataquery.c.

Referenced by MetadataQueryReader_CreateInstance().

mqw_vtbl

const IWICMetadataQueryWriterVtbl mqw_vtbl

static

Initial value:

=
{
    mqw_QueryInterface,
    mqw_AddRef,
    mqw_Release,
    mqw_GetContainerFormat,
    mqw_GetLocation,
    mqw_GetMetadataByName,
    mqw_GetEnumerator,
    mqw_SetMetadataByName,
    mqw_RemoveMetadataByName,
}

Definition at line 854 of file metadataquery.c.

Referenced by MetadataQueryWriter_CreateInstance().

name

const WCHAR* name

Definition at line 891 of file metadataquery.c.

const struct { ... } name2schema[]

Initial value:

=
{
    { L"rdf", L"http://www.w3.org/1999/02/22-rdf-syntax-ns#" },
    { L"dc", L"http://purl.org/dc/elements/1.1/" },
    { L"xmp", L"http://ns.adobe.com/xap/1.0/" },
    { L"xmpidq", L"http://ns.adobe.com/xmp/Identifier/qual/1.0/" },
    { L"xmpRights", L"http://ns.adobe.com/xap/1.0/rights/" },
    { L"xmpMM", L"http://ns.adobe.com/xap/1.0/mm/" },
    { L"xmpBJ", L"http://ns.adobe.com/xap/1.0/bj/" },
    { L"xmpTPg", L"http://ns.adobe.com/xap/1.0/t/pg/" },
    { L"pdf", L"http://ns.adobe.com/pdf/1.3/" },
    { L"photoshop", L"http://ns.adobe.com/photoshop/1.0/" },
    { L"tiff", L"http://ns.adobe.com/tiff/1.0/" },
    { L"exif", L"http://ns.adobe.com/exif/1.0/" },
    { L"stDim", L"http://ns.adobe.com/xap/1.0/sType/Dimensions#" },
    { L"xapGImg", L"http://ns.adobe.com/xap/1.0/g/img/" },
    { L"stEvt", L"http://ns.adobe.com/xap/1.0/sType/ResourceEvent#" },
    { L"stRef", L"http://ns.adobe.com/xap/1.0/sType/ResourceRef#" },
    { L"stVer", L"http://ns.adobe.com/xap/1.0/sType/Version#" },
    { L"stJob", L"http://ns.adobe.com/xap/1.0/sType/Job#" },
    { L"aux", L"http://ns.adobe.com/exif/1.0/aux/" },
    { L"crs", L"http://ns.adobe.com/camera-raw-settings/1.0/" },
    { L"xmpDM", L"http://ns.adobe.com/xmp/1.0/DynamicMedia/" },
    { L"Iptc4xmpCore", L"http://iptc.org/std/Iptc4xmpCore/1.0/xmlns/" },
    { L"MicrosoftPhoto", L"http://ns.microsoft.com/photo/1.0/" },
    { L"MP", L"http://ns.microsoft.com/photo/1.2/" },
    { L"MPRI", L"http://ns.microsoft.com/photo/1.2/t/RegionInfo#" },
    { L"MPReg", L"http://ns.microsoft.com/photo/1.2/t/Region#" }
}

Referenced by map_shortname_to_schema(), and WICMapSchemaToName().

schema

const WCHAR* schema

Definition at line 994 of file metadataquery.c.

Referenced by compare_metadata(), get_next_reader(), get_protocol_cf(), get_protocol_info(), get_token(), get_zone_for_scheme(), get_zone_from_reg(), ICreateTypeInfo2_fnSetSchema(), is_registered_protocol(), load_APE_metadata(), load_GCE_metadata(), load_IMD_metadata(), load_LSD_metadata(), LoadChrmMetadata(), LoadGamaMetadata(), LoadHistMetadata(), LoadTextMetadata(), LoadTimeMetadata(), LoadUnknownMetadata(), main(), map_shortname_to_schema(), mdr_GetValue(), MetadataHandler_GetValue(), MetadataHandler_GetValueByIndex(), MimeOleGetPropertySchema(), mqr_GetMetadataByName(), RequestValidateReadWrite(), search_domain_for_zone(), search_for_domain_mapping(), test_CoInternetParseUrl(), test_ifd_content(), test_metadata_cHRM(), test_metadata_gAMA(), test_metadata_hIST(), test_metadata_tEXt(), test_metadata_unknown(), test_MimeOleGetPropertySchema(), test_putref_schemas(), test_XDR_datatypes(), test_XDR_schemas(), and WICMapSchemaToName().

str

WCHAR str[10]

Definition at line 137 of file metadataquery.c.

Referenced by map_type().

const struct { ... } str2vt[]

Initial value:

=
{
    { 4, {'c','h','a','r'}, VT_I1 },
    { 5, {'u','c','h','a','r'}, VT_UI1 },
    { 5, {'s','h','o','r','t'}, VT_I2 },
    { 6, {'u','s','h','o','r','t'}, VT_UI2 },
    { 4, {'l','o','n','g'}, VT_I4 },
    { 5, {'u','l','o','n','g'}, VT_UI4 },
    { 3, {'i','n','t'}, VT_I4 },
    { 4, {'u','i','n','t'}, VT_UI4 },
    { 8, {'l','o','n','g','l','o','n','g'}, VT_I8 },
    { 9, {'u','l','o','n','g','l','o','n','g'}, VT_UI8 },
    { 5, {'f','l','o','a','t'}, VT_R4 },
    { 6, {'d','o','u','b','l','e'}, VT_R8 },
    { 3, {'s','t','r'}, VT_LPSTR },
    { 4, {'w','s','t','r'}, VT_LPWSTR },
    { 4, {'g','u','i','d'}, VT_CLSID },
    { 4, {'b','o','o','l'}, VT_BOOL }
}

Referenced by map_type().

string_enumerator_vtbl

const IEnumStringVtbl string_enumerator_vtbl

static

Initial value:

=
{
    string_enumerator_QueryInterface,
    string_enumerator_AddRef,
    string_enumerator_Release,
    string_enumerator_Next,
    string_enumerator_Skip,
    string_enumerator_Reset,
    string_enumerator_Clone
}

Definition at line 683 of file metadataquery.c.

Referenced by string_enumerator_create().

vt

VARTYPE vt

Definition at line 138 of file metadataquery.c.

Referenced by get_token(), and map_type().