dlls/jscript/vbarray.c

/*
 * Copyright 2010 Piotr Caban for CodeWeavers
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "jscript.h"

#include "wine/debug.h"

WINE_DEFAULT_DEBUG_CHANNEL(jscript);

typedef struct {
    jsdisp_t dispex;

    SAFEARRAY *safearray;
} VBArrayInstance;

static const WCHAR dimensionsW[] = {'d','i','m','e','n','s','i','o','n','s',0};
static const WCHAR getItemW[] = {'g','e','t','I','t','e','m',0};
static const WCHAR lboundW[] = {'l','b','o','u','n','d',0};
static const WCHAR toArrayW[] = {'t','o','A','r','r','a','y',0};
static const WCHAR uboundW[] = {'u','b','o','u','n','d',0};

static inline VBArrayInstance *vbarray_from_vdisp(vdisp_t *vdisp)
{
    return (VBArrayInstance*)vdisp->u.jsdisp;
}

static inline VBArrayInstance *vbarray_this(vdisp_t *jsthis)
{
    return is_vclass(jsthis, JSCLASS_VBARRAY) ? vbarray_from_vdisp(jsthis) : NULL;
}

static HRESULT VBArray_dimensions(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
        VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static HRESULT VBArray_getItem(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
        VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static HRESULT VBArray_lbound(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
        VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static HRESULT VBArray_toArray(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
        VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static HRESULT VBArray_ubound(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
        VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
    FIXME("\n");
    return E_NOTIMPL;
}

static HRESULT VBArray_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, DISPPARAMS *dp,
        VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
    FIXME("\n");

    switch(flags) {
        default:
            FIXME("unimplemented flags %x\n", flags);
            return E_NOTIMPL;
    }

    return S_OK;
}

static void VBArray_destructor(jsdisp_t *dispex)
{
    VBArrayInstance *vbarray = (VBArrayInstance*)dispex;

    SafeArrayDestroy(vbarray->safearray);
    heap_free(vbarray);
}

static const builtin_prop_t VBArray_props[] = {
    {dimensionsW,           VBArray_dimensions,         PROPF_METHOD},
    {getItemW,              VBArray_getItem,            PROPF_METHOD|1},
    {lboundW,               VBArray_lbound,             PROPF_METHOD},
    {toArrayW,              VBArray_toArray,            PROPF_METHOD},
    {uboundW,               VBArray_ubound,             PROPF_METHOD}
};

static const builtin_info_t VBArray_info = {
    JSCLASS_VBARRAY,
    {NULL, VBArray_value, 0},
    sizeof(VBArray_props)/sizeof(*VBArray_props),
    VBArray_props,
    VBArray_destructor,
    NULL
};

static HRESULT alloc_vbarray(script_ctx_t *ctx, jsdisp_t *object_prototype, VBArrayInstance **ret)
{
    VBArrayInstance *vbarray;
    HRESULT hres;

    vbarray = heap_alloc_zero(sizeof(VBArrayInstance));
    if(!vbarray)
        return E_OUTOFMEMORY;

    if(object_prototype)
        hres = init_dispex(&vbarray->dispex, ctx, &VBArray_info, object_prototype);
    else
        hres = init_dispex_from_constr(&vbarray->dispex, ctx, &VBArray_info, ctx->vbarray_constr);

    if(FAILED(hres)) {
        heap_free(vbarray);
        return hres;
    }

    *ret = vbarray;
    return S_OK;
}

static HRESULT VBArrayConstr_value(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, DISPPARAMS *dp,
        VARIANT *retv, jsexcept_t *ei, IServiceProvider *caller)
{
    VARIANT *arg;
    VBArrayInstance *vbarray;
    HRESULT hres;

    TRACE("\n");

    switch(flags) {
    case DISPATCH_METHOD:
        if(arg_cnt(dp)<1 || V_VT((arg = get_arg(dp, 0)))!=(VT_ARRAY|VT_VARIANT))
            return throw_type_error(ctx, ei, IDS_NOT_VBARRAY, NULL);

        VariantCopy(retv, arg);
        break;

    case DISPATCH_CONSTRUCT:
        if(arg_cnt(dp)<1 || V_VT((arg = get_arg(dp, 0)))!=(VT_ARRAY|VT_VARIANT))
            return throw_type_error(ctx, ei, IDS_NOT_VBARRAY, NULL);

        hres = alloc_vbarray(ctx, NULL, &vbarray);
        if(FAILED(hres))
            return hres;
        SafeArrayCopy(V_ARRAY(arg), &vbarray->safearray);

        var_set_jsdisp(retv, &vbarray->dispex);
        break;

    default:
        FIXME("unimplemented flags: %x\n", flags);
        return E_NOTIMPL;
    }

    return S_OK;
}

HRESULT create_vbarray_constr(script_ctx_t *ctx, jsdisp_t *object_prototype, jsdisp_t **ret)
{
    VBArrayInstance *vbarray;
    HRESULT hres;

    static const WCHAR VBArrayW[] = {'V','B','A','r','r','a','y',0};

    hres = alloc_vbarray(ctx, object_prototype, &vbarray);
    if(FAILED(hres))
        return hres;

    hres = create_builtin_function(ctx, VBArrayConstr_value, VBArrayW, NULL, PROPF_CONSTR|1, &vbarray->dispex, ret);

    jsdisp_release(&vbarray->dispex);
    return hres;
}