Sweden-Number/dlls/jscript/vbarray.c

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2010-10-18 18:46:59 +02:00
/*
* 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, unsigned argc, jsval_t *argv,
jsval_t *r)
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{
VBArrayInstance *vbarray;
TRACE("\n");
vbarray = vbarray_this(vthis);
if(!vbarray)
return throw_type_error(ctx, JS_E_VBARRAY_EXPECTED, NULL);
if(r)
*r = jsval_number(SafeArrayGetDim(vbarray->safearray));
return S_OK;
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}
static HRESULT VBArray_getItem(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
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{
VBArrayInstance *vbarray;
int i, *indexes;
VARIANT out;
HRESULT hres;
TRACE("\n");
vbarray = vbarray_this(vthis);
if(!vbarray)
return throw_type_error(ctx, JS_E_VBARRAY_EXPECTED, NULL);
if(argc < SafeArrayGetDim(vbarray->safearray))
return throw_range_error(ctx, JS_E_SUBSCRIPT_OUT_OF_RANGE, NULL);
indexes = heap_alloc(sizeof(int)*argc);
if(!indexes)
return E_OUTOFMEMORY;
for(i=0; i<argc; i++) {
hres = to_int32(ctx, argv[i], indexes+i);
if(FAILED(hres)) {
heap_free(indexes);
return hres;
}
}
hres = SafeArrayGetElement(vbarray->safearray, indexes, (void*)&out);
heap_free(indexes);
if(hres == DISP_E_BADINDEX)
return throw_range_error(ctx, JS_E_SUBSCRIPT_OUT_OF_RANGE, NULL);
else if(FAILED(hres))
return hres;
if(r) {
hres = variant_to_jsval(&out, r);
VariantClear(&out);
}
return hres;
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}
static HRESULT VBArray_lbound(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
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{
VBArrayInstance *vbarray;
int dim;
HRESULT hres;
TRACE("\n");
vbarray = vbarray_this(vthis);
if(!vbarray)
return throw_type_error(ctx, JS_E_VBARRAY_EXPECTED, NULL);
if(argc) {
hres = to_int32(ctx, argv[0], &dim);
if(FAILED(hres))
return hres;
} else
dim = 1;
hres = SafeArrayGetLBound(vbarray->safearray, dim, &dim);
if(hres == DISP_E_BADINDEX)
return throw_range_error(ctx, JS_E_SUBSCRIPT_OUT_OF_RANGE, NULL);
else if(FAILED(hres))
return hres;
if(r)
*r = jsval_number(dim);
return S_OK;
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}
static HRESULT VBArray_toArray(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
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{
VBArrayInstance *vbarray;
jsdisp_t *array;
jsval_t val;
VARIANT *v;
int i, size = 1, ubound, lbound;
HRESULT hres;
TRACE("\n");
vbarray = vbarray_this(vthis);
if(!vbarray)
return throw_type_error(ctx, JS_E_VBARRAY_EXPECTED, NULL);
for(i=1; i<=SafeArrayGetDim(vbarray->safearray); i++) {
SafeArrayGetLBound(vbarray->safearray, i, &lbound);
SafeArrayGetUBound(vbarray->safearray, i, &ubound);
size *= ubound-lbound+1;
}
hres = SafeArrayAccessData(vbarray->safearray, (void**)&v);
if(FAILED(hres))
return hres;
hres = create_array(ctx, 0, &array);
if(FAILED(hres)) {
SafeArrayUnaccessData(vbarray->safearray);
return hres;
}
for(i=0; i<size; i++) {
hres = variant_to_jsval(v, &val);
if(SUCCEEDED(hres)) {
hres = jsdisp_propput_idx(array, i, val);
jsval_release(val);
}
if(FAILED(hres)) {
SafeArrayUnaccessData(vbarray->safearray);
jsdisp_release(array);
return hres;
}
v++;
}
SafeArrayUnaccessData(vbarray->safearray);
if(r)
*r = jsval_obj(array);
return S_OK;
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}
static HRESULT VBArray_ubound(script_ctx_t *ctx, vdisp_t *vthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
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{
VBArrayInstance *vbarray;
int dim;
HRESULT hres;
TRACE("\n");
vbarray = vbarray_this(vthis);
if(!vbarray)
return throw_type_error(ctx, JS_E_VBARRAY_EXPECTED, NULL);
if(argc) {
hres = to_int32(ctx, argv[0], &dim);
if(FAILED(hres))
return hres;
} else
dim = 1;
hres = SafeArrayGetUBound(vbarray->safearray, dim, &dim);
if(hres == DISP_E_BADINDEX)
return throw_range_error(ctx, JS_E_SUBSCRIPT_OUT_OF_RANGE, NULL);
else if(FAILED(hres))
return hres;
if(r)
*r = jsval_number(dim);
return S_OK;
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}
static HRESULT VBArray_value(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
jsval_t *r)
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{
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);
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}
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, unsigned argc, jsval_t *argv,
jsval_t *r)
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{
VBArrayInstance *vbarray;
HRESULT hres;
TRACE("\n");
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switch(flags) {
case DISPATCH_METHOD:
if(argc<1 || !is_variant(argv[0]) || V_VT(get_variant(argv[0])) != (VT_ARRAY|VT_VARIANT))
return throw_type_error(ctx, JS_E_VBARRAY_EXPECTED, NULL);
return jsval_copy(argv[0], r);
case DISPATCH_CONSTRUCT:
if(argc<1 || !is_variant(argv[0]) || V_VT(get_variant(argv[0])) != (VT_ARRAY|VT_VARIANT))
return throw_type_error(ctx, JS_E_VBARRAY_EXPECTED, NULL);
hres = alloc_vbarray(ctx, NULL, &vbarray);
if(FAILED(hres))
return hres;
hres = SafeArrayCopy(V_ARRAY(get_variant(argv[0])), &vbarray->safearray);
if(FAILED(hres)) {
jsdisp_release(&vbarray->dispex);
return hres;
}
*r = jsval_obj(&vbarray->dispex);
break;
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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_constructor(ctx, VBArrayConstr_value, VBArrayW, NULL, PROPF_CONSTR|1, &vbarray->dispex, ret);
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jsdisp_release(&vbarray->dispex);
return hres;
}
HRESULT create_vbarray(script_ctx_t *ctx, SAFEARRAY *sa, jsdisp_t **ret)
{
VBArrayInstance *vbarray;
HRESULT hres;
hres = alloc_vbarray(ctx, NULL, &vbarray);
if(FAILED(hres))
return hres;
hres = SafeArrayCopy(sa, &vbarray->safearray);
if(FAILED(hres)) {
jsdisp_release(&vbarray->dispex);
return hres;
}
*ret = &vbarray->dispex;
return S_OK;
}