format.c File Reference

#include "urlmon_main.h"
#include "wine/debug.h"

Include dependency graph for format.c:

Go to the source code of this file.

Classes
struct	EnumFORMATETC

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (urlmon)
static EnumFORMATETC *	impl_from_IEnumFORMATETC (IEnumFORMATETC *iface)
static IEnumFORMATETC *	EnumFORMATETC_Create (UINT cfmtetc, const FORMATETC *rgfmtetc, UINT it)
static HRESULT WINAPI	EnumFORMATETC_QueryInterface (IEnumFORMATETC *iface, REFIID riid, void **ppv)
static ULONG WINAPI	EnumFORMATETC_AddRef (IEnumFORMATETC *iface)
static ULONG WINAPI	EnumFORMATETC_Release (IEnumFORMATETC *iface)
static HRESULT WINAPI	EnumFORMATETC_Next (IEnumFORMATETC *iface, ULONG celt, FORMATETC *rgelt, ULONG *pceltFetched)
static HRESULT WINAPI	EnumFORMATETC_Skip (IEnumFORMATETC *iface, ULONG celt)
static HRESULT WINAPI	EnumFORMATETC_Reset (IEnumFORMATETC *iface)
static HRESULT WINAPI	EnumFORMATETC_Clone (IEnumFORMATETC *iface, IEnumFORMATETC **ppenum)
HRESULT WINAPI	CreateFormatEnumerator (UINT cfmtetc, FORMATETC *rgfmtetc, IEnumFORMATETC **ppenumfmtetc)
HRESULT WINAPI	RegisterFormatEnumerator (LPBC pBC, IEnumFORMATETC *pEFetc, DWORD reserved)
HRESULT WINAPI	RevokeFormatEnumerator (LPBC pbc, IEnumFORMATETC *pEFetc)

Variables
static WCHAR	wszEnumFORMATETC [] = {'_','E','n','u','m','F','O','R','M','A','T','E','T','C','_',0}
static const IEnumFORMATETCVtbl	EnumFORMATETCVtbl

Function Documentation

CreateFormatEnumerator()

HRESULT WINAPI CreateFormatEnumerator	(	UINT	cfmtetc,
		FORMATETC *	rgfmtetc,
		IEnumFORMATETC **	ppenumfmtetc
	)

Definition at line 177 of file format.c.

{
    TRACE("(%d %p %p)\n", cfmtetc, rgfmtetc, ppenumfmtetc);

    if(!ppenumfmtetc)
        return E_INVALIDARG;
    if(!cfmtetc)
        return E_FAIL;

    *ppenumfmtetc = EnumFORMATETC_Create(cfmtetc, rgfmtetc, 0);
    return S_OK;
}

Referenced by RegisterDefaultAcceptHeaders(), test_CreateFormatEnum(), and test_RegisterFormatEnumerator().

EnumFORMATETC_AddRef()

static ULONG WINAPI EnumFORMATETC_AddRef ( IEnumFORMATETC *  iface )

static

Definition at line 61 of file format.c.

{
    EnumFORMATETC *This = impl_from_IEnumFORMATETC(iface);
    LONG ref = InterlockedIncrement(&This->ref);
    TRACE("(%p) ref=%d\n", This, ref);
    return ref;
}

EnumFORMATETC_Clone()

static HRESULT WINAPI EnumFORMATETC_Clone ( IEnumFORMATETC *  iface, IEnumFORMATETC **  ppenum  )

static

Definition at line 134 of file format.c.

{
    EnumFORMATETC *This = impl_from_IEnumFORMATETC(iface);

    TRACE("(%p)->(%p)\n", This, ppenum);

    if(!ppenum)
        return E_INVALIDARG;

    *ppenum = EnumFORMATETC_Create(This->fetc_cnt, This->fetc, This->it);
    return S_OK;
}

EnumFORMATETC_Create()

static IEnumFORMATETC * EnumFORMATETC_Create ( UINT  cfmtetc, const FORMATETC *  rgfmtetc, UINT  it  )

static

Definition at line 157 of file format.c.

{
    EnumFORMATETC *ret = heap_alloc(sizeof(EnumFORMATETC));

    URLMON_LockModule();

    ret->IEnumFORMATETC_iface.lpVtbl = &EnumFORMATETCVtbl;
    ret->ref = 1;
    ret->it = it;
    ret->fetc_cnt = cfmtetc;

    ret->fetc = heap_alloc(cfmtetc*sizeof(FORMATETC));
    memcpy(ret->fetc, rgfmtetc, cfmtetc*sizeof(FORMATETC));

    return &ret->IEnumFORMATETC_iface;
}

Referenced by CreateFormatEnumerator(), and EnumFORMATETC_Clone().

EnumFORMATETC_Next()

static HRESULT WINAPI EnumFORMATETC_Next ( IEnumFORMATETC *  iface, ULONG  celt, FORMATETC *  rgelt, ULONG *  pceltFetched  )

static

Definition at line 86 of file format.c.

{
    EnumFORMATETC *This = impl_from_IEnumFORMATETC(iface);
    ULONG cnt;

    TRACE("(%p)->(%d %p %p)\n", This, celt, rgelt, pceltFetched);

    if(!rgelt)
        return E_INVALIDARG;

    if(This->it >= This->fetc_cnt || !celt) {
        if(pceltFetched)
            *pceltFetched = 0;
        return celt ? S_FALSE : S_OK;
    }

    cnt = This->fetc_cnt-This->it > celt ? celt : This->fetc_cnt-This->it;

    memcpy(rgelt, This->fetc+This->it, cnt*sizeof(FORMATETC));
    This->it += cnt;

    if(pceltFetched)
        *pceltFetched = cnt;

    return cnt == celt ? S_OK : S_FALSE;
}

EnumFORMATETC_QueryInterface()

static HRESULT WINAPI EnumFORMATETC_QueryInterface ( IEnumFORMATETC *  iface, REFIID  riid, void **  ppv  )

static

Definition at line 43 of file format.c.

{
    EnumFORMATETC *This = impl_from_IEnumFORMATETC(iface);

    TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);

    *ppv = NULL;

    if(IsEqualGUID(&IID_IUnknown, riid) || IsEqualGUID(&IID_IEnumFORMATETC, riid)) {
        IEnumFORMATETC_AddRef(iface);
        *ppv = iface;
        return S_OK;
    }

    WARN("not supported interface %s\n", debugstr_guid(riid));
    return E_NOINTERFACE;
}

EnumFORMATETC_Release()

static ULONG WINAPI EnumFORMATETC_Release ( IEnumFORMATETC *  iface )

static

Definition at line 69 of file format.c.

{
    EnumFORMATETC *This = impl_from_IEnumFORMATETC(iface);
    LONG ref = InterlockedDecrement(&This->ref);

    TRACE("(%p) ref=%d\n", This, ref);

    if(!ref) {
        heap_free(This->fetc);
        heap_free(This);

        URLMON_UnlockModule();
    }

    return ref;
}

EnumFORMATETC_Reset()

static HRESULT WINAPI EnumFORMATETC_Reset ( IEnumFORMATETC *  iface )

static

Definition at line 124 of file format.c.

{
    EnumFORMATETC *This = impl_from_IEnumFORMATETC(iface);

    TRACE("(%p)\n", This);

    This->it = 0;
    return S_OK;
}

EnumFORMATETC_Skip()

static HRESULT WINAPI EnumFORMATETC_Skip ( IEnumFORMATETC *  iface, ULONG  celt  )

static

Definition at line 114 of file format.c.

{
    EnumFORMATETC *This = impl_from_IEnumFORMATETC(iface);

    TRACE("(%p)->(%d)\n", This, celt);

    This->it += celt;
    return This->it > This->fetc_cnt ? S_FALSE : S_OK;
}

impl_from_IEnumFORMATETC()

static EnumFORMATETC* impl_from_IEnumFORMATETC ( IEnumFORMATETC *  iface )

inlinestatic

Definition at line 36 of file format.c.

{
    return CONTAINING_RECORD(iface, EnumFORMATETC, IEnumFORMATETC_iface);
}

Referenced by EnumFORMATETC_AddRef(), EnumFORMATETC_Clone(), EnumFORMATETC_Next(), EnumFORMATETC_QueryInterface(), EnumFORMATETC_Release(), EnumFORMATETC_Reset(), and EnumFORMATETC_Skip().

RegisterFormatEnumerator()

HRESULT WINAPI RegisterFormatEnumerator	(	LPBC	pBC,
		IEnumFORMATETC *	pEFetc,
		DWORD	reserved
	)

Definition at line 194 of file format.c.

{
    TRACE("(%p %p %d)\n", pBC, pEFetc, reserved);

    if(reserved)
        WARN("reserved != 0\n");

    if(!pBC || !pEFetc)
        return E_INVALIDARG;

    return IBindCtx_RegisterObjectParam(pBC, wszEnumFORMATETC, (IUnknown*)pEFetc);
}

Referenced by RegisterDefaultAcceptHeaders(), and test_RegisterFormatEnumerator().

RevokeFormatEnumerator()

HRESULT WINAPI RevokeFormatEnumerator	(	LPBC	pbc,
		IEnumFORMATETC *	pEFetc
	)

Definition at line 210 of file format.c.

{
    TRACE("(%p %p)\n", pbc, pEFetc);

    if(!pbc)
        return E_INVALIDARG;

    return IBindCtx_RevokeObjectParam(pbc, wszEnumFORMATETC);
}

Referenced by test_RegisterFormatEnumerator().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

urlmon

)

Variable Documentation

EnumFORMATETCVtbl

const IEnumFORMATETCVtbl EnumFORMATETCVtbl

static

Initial value:

= {
    EnumFORMATETC_QueryInterface,
    EnumFORMATETC_AddRef,
    EnumFORMATETC_Release,
    EnumFORMATETC_Next,
    EnumFORMATETC_Skip,
    EnumFORMATETC_Reset,
    EnumFORMATETC_Clone
}

Definition at line 147 of file format.c.

Referenced by EnumFORMATETC_Create().

wszEnumFORMATETC

WCHAR wszEnumFORMATETC[] = {'_','E','n','u','m','F','O','R','M','A','T','E','T','C','_',0}

static

Definition at line 24 of file format.c.

Referenced by RegisterFormatEnumerator(), RevokeFormatEnumerator(), and test_RegisterFormatEnumerator().