arraybuf.c File Reference

#include <limits.h>
#include "jscript.h"
#include "wine/debug.h"

Include dependency graph for arraybuf.c:

Go to the source code of this file.

Classes
struct	ArrayBufferInstance
struct	DataViewInstance

Functions
	WINE_DEFAULT_DEBUG_CHANNEL (jscript)
static ArrayBufferInstance *	arraybuf_from_jsdisp (jsdisp_t *jsdisp)
static DataViewInstance *	dataview_from_jsdisp (jsdisp_t *jsdisp)
static ArrayBufferInstance *	arraybuf_this (jsval_t vthis)
static HRESULT	create_arraybuf (script_ctx_t *, DWORD, ArrayBufferInstance **)
static HRESULT	ArrayBuffer_get_byteLength (script_ctx_t *ctx, jsdisp_t *jsthis, jsval_t *r)
static HRESULT	ArrayBuffer_slice (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	ArrayBufferConstr_isView (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	ArrayBufferConstr_value (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static DataViewInstance *	dataview_this (jsval_t vthis)
static HRESULT	DataView_get_buffer (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_get_byteLength (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_get_byteOffset (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static void	copy_type_data (void *dst, const void *src, unsigned type_size, BOOL little_endian)
static HRESULT	get_data (script_ctx_t *ctx, jsval_t vthis, unsigned argc, jsval_t *argv, unsigned type_size, void *ret)
static HRESULT	set_data (script_ctx_t *ctx, jsval_t vthis, unsigned argc, jsval_t *argv, unsigned type_size, const void *val)
static HRESULT	DataView_getFloat32 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_getFloat64 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_getInt8 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_getInt16 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_getInt32 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_getUint8 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_getUint16 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_getUint32 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_setFloat32 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_setFloat64 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_setInt8 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_setInt16 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static HRESULT	DataView_setInt32 (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
static void	DataView_destructor (jsdisp_t *dispex)
static HRESULT	DataView_gc_traverse (struct gc_ctx *gc_ctx, enum gc_traverse_op op, jsdisp_t *dispex)
static HRESULT	DataViewConstr_value (script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
HRESULT	init_arraybuf_constructors (script_ctx_t *ctx)

Variables
static const builtin_prop_t	ArrayBuffer_props []
static const builtin_info_t	ArrayBuffer_info
static const builtin_prop_t	ArrayBufferInst_props []
static const builtin_info_t	ArrayBufferInst_info
static const builtin_prop_t	ArrayBufferConstr_props []
static const builtin_info_t	ArrayBufferConstr_info
static const builtin_prop_t	DataView_props []
static const builtin_info_t	DataView_info
static const builtin_info_t	DataViewInst_info
static const builtin_info_t	DataViewConstr_info

Function Documentation

arraybuf_from_jsdisp()

static ArrayBufferInstance * arraybuf_from_jsdisp ( jsdisp_t *  jsdisp )

inlinestatic

Definition at line 47 of file arraybuf.c.

{
    return CONTAINING_RECORD(jsdisp, ArrayBufferInstance, dispex);
}

Referenced by arraybuf_this(), and ArrayBuffer_get_byteLength().

arraybuf_this()

static ArrayBufferInstance * arraybuf_this ( jsval_t  vthis )

inlinestatic

Definition at line 57 of file arraybuf.c.

{
    jsdisp_t *jsdisp = is_object_instance(vthis) ? to_jsdisp(get_object(vthis)) : NULL;
    return (jsdisp && is_class(jsdisp, JSCLASS_ARRAYBUFFER)) ? arraybuf_from_jsdisp(jsdisp) : NULL;
}

Referenced by ArrayBuffer_slice(), and DataViewConstr_value().

ArrayBuffer_get_byteLength()

static HRESULT ArrayBuffer_get_byteLength ( script_ctx_t *  ctx, jsdisp_t *  jsthis, jsval_t *  r  )

static

Definition at line 65 of file arraybuf.c.

{
    TRACE("%p\n", jsthis);
 
    *r = jsval_number(arraybuf_from_jsdisp(jsthis)->size);
    return S_OK;
}

ArrayBuffer_slice()

static HRESULT ArrayBuffer_slice ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 73 of file arraybuf.c.

{
    ArrayBufferInstance *arraybuf, *ret;
    DWORD begin = 0, end, size;
    HRESULT hres;
    double n;
 
    TRACE("\n");
 
    if(!(arraybuf = arraybuf_this(vthis)))
        return JS_E_ARRAYBUFFER_EXPECTED;
    end = arraybuf->size;
    if(!r)
        return S_OK;
 
    if(argc) {
        hres = to_integer(ctx, argv[0], &n);
        if(FAILED(hres))
            return hres;
        if(n < 0.0)
            n += arraybuf->size;
        if(n >= 0.0 && n < arraybuf->size) {
            begin = n;
            if(argc > 1 && !is_undefined(argv[1])) {
                hres = to_integer(ctx, argv[1], &n);
                if(FAILED(hres))
                    return hres;
                if(n < 0.0)
                    n += arraybuf->size;
                if(n >= 0.0) {
                    end = n < arraybuf->size ? n : arraybuf->size;
                    end = end < begin ? begin : end;
                }else
                    end = begin;
            }
        }else
            end = 0;
    }
 
    size = end - begin;
    hres = create_arraybuf(ctx, size, &ret);
    if(FAILED(hres))
        return hres;
    memcpy(ret->buf, arraybuf->buf + begin, size);
 
    *r = jsval_obj(&ret->dispex);
    return S_OK;
}

ArrayBufferConstr_isView()

static HRESULT ArrayBufferConstr_isView ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 163 of file arraybuf.c.

{
    FIXME("not implemented\n");
 
    return E_NOTIMPL;
}

ArrayBufferConstr_value()

static HRESULT ArrayBufferConstr_value ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 171 of file arraybuf.c.

{
    ArrayBufferInstance *arraybuf;
    DWORD size = 0;
    HRESULT hres;
 
    TRACE("\n");
 
    switch(flags) {
    case DISPATCH_METHOD:
    case DISPATCH_CONSTRUCT: {
        if(argc) {
            double n;
            hres = to_integer(ctx, argv[0], &n);
            if(FAILED(hres))
                return hres;
            if(n < 0.0)
                return JS_E_INVALID_LENGTH;
            if(n > (UINT_MAX - FIELD_OFFSET(ArrayBufferInstance, buf[0])))
                return E_OUTOFMEMORY;
            size = n;
        }
 
        if(r) {
            hres = create_arraybuf(ctx, size, &arraybuf);
            if(FAILED(hres))
                return hres;
            *r = jsval_obj(&arraybuf->dispex);
        }
        break;
    }
    default:
        FIXME("unimplemented flags: %x\n", flags);
        return E_NOTIMPL;
    }
 
    return S_OK;
}

Referenced by init_arraybuf_constructors().

copy_type_data()

static void copy_type_data ( void *  dst, const void *  src, unsigned  type_size, BOOL  little_endian  )

inlinestatic

Definition at line 267 of file arraybuf.c.

{
    const BYTE *in = src;
    BYTE *out = dst;
    unsigned i;
 
    if(little_endian)
        memcpy(out, in, type_size);
    else
        for(i = 0; i < type_size; i++)
            out[i] = in[type_size - i - 1];
}

Referenced by get_data(), and set_data().

create_arraybuf()

static HRESULT create_arraybuf ( script_ctx_t *  ctx, DWORD  size, ArrayBufferInstance **  ret  )

static

Definition at line 144 of file arraybuf.c.

{
    ArrayBufferInstance *arraybuf;
    HRESULT hres;
 
    if(!(arraybuf = calloc(1, FIELD_OFFSET(ArrayBufferInstance, buf[size]))))
        return E_OUTOFMEMORY;
 
    hres = init_dispex_from_constr(&arraybuf->dispex, ctx, &ArrayBufferInst_info, ctx->arraybuf_constr);
    if(FAILED(hres)) {
        free(arraybuf);
        return hres;
    }
    arraybuf->size = size;
 
    *ret = arraybuf;
    return S_OK;
}

Referenced by ArrayBuffer_slice(), ArrayBufferConstr_value(), and init_arraybuf_constructors().

DataView_destructor()

static void DataView_destructor ( jsdisp_t *  dispex )

static

Definition at line 595 of file arraybuf.c.

{
    DataViewInstance *view = dataview_from_jsdisp(dispex);
    if(view->buffer)
        jsdisp_release(&view->buffer->dispex);
}

dataview_from_jsdisp()

static DataViewInstance * dataview_from_jsdisp ( jsdisp_t *  jsdisp )

inlinestatic

Definition at line 52 of file arraybuf.c.

{
    return CONTAINING_RECORD(jsdisp, DataViewInstance, dispex);
}

Referenced by DataView_destructor(), DataView_gc_traverse(), and dataview_this().

DataView_gc_traverse()

static HRESULT DataView_gc_traverse ( struct gc_ctx *  gc_ctx, enum gc_traverse_op  op, jsdisp_t *  dispex  )

static

Definition at line 602 of file arraybuf.c.

{
    DataViewInstance *view = dataview_from_jsdisp(dispex);
    return gc_process_linked_obj(gc_ctx, op, dispex, &view->buffer->dispex, (void**)&view->buffer);
}

DataView_get_buffer()

static HRESULT DataView_get_buffer ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 228 of file arraybuf.c.

{
    DataViewInstance *view;
 
    TRACE("\n");
 
    if(!(view = dataview_this(vthis)))
        return JS_E_NOT_DATAVIEW;
    if(r) *r = jsval_obj(jsdisp_addref(&view->buffer->dispex));
    return S_OK;
}

Referenced by init_arraybuf_constructors().

DataView_get_byteLength()

static HRESULT DataView_get_byteLength ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 241 of file arraybuf.c.

{
    DataViewInstance *view;
 
    TRACE("\n");
 
    if(!(view = dataview_this(vthis)))
        return JS_E_NOT_DATAVIEW;
    if(r) *r = jsval_number(view->size);
    return S_OK;
}

Referenced by init_arraybuf_constructors().

DataView_get_byteOffset()

static HRESULT DataView_get_byteOffset ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 254 of file arraybuf.c.

{
    DataViewInstance *view;
 
    TRACE("\n");
 
    if(!(view = dataview_this(vthis)))
        return JS_E_NOT_DATAVIEW;
    if(r) *r = jsval_number(view->offset);
    return S_OK;
}

Referenced by init_arraybuf_constructors().

DataView_getFloat32()

static HRESULT DataView_getFloat32 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 358 of file arraybuf.c.

{
    HRESULT hres;
    float v;
 
    TRACE("\n");
 
    hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_number(v);
    return S_OK;
}

DataView_getFloat64()

static HRESULT DataView_getFloat64 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 372 of file arraybuf.c.

{
    HRESULT hres;
    double v;
 
    TRACE("\n");
 
    hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_number(v);
    return S_OK;
}

DataView_getInt16()

static HRESULT DataView_getInt16 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 400 of file arraybuf.c.

{
    HRESULT hres;
    INT16 v;
 
    TRACE("\n");
 
    hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_number(v);
    return S_OK;
}

DataView_getInt32()

static HRESULT DataView_getInt32 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 414 of file arraybuf.c.

{
    HRESULT hres;
    INT32 v;
 
    TRACE("\n");
 
    hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_number(v);
    return S_OK;
}

DataView_getInt8()

static HRESULT DataView_getInt8 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 386 of file arraybuf.c.

{
    HRESULT hres;
    INT8 v;
 
    TRACE("\n");
 
    hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_number(v);
    return S_OK;
}

DataView_getUint16()

static HRESULT DataView_getUint16 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 442 of file arraybuf.c.

{
    HRESULT hres;
    UINT16 v;
 
    TRACE("\n");
 
    hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_number(v);
    return S_OK;
}

DataView_getUint32()

static HRESULT DataView_getUint32 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 456 of file arraybuf.c.

{
    HRESULT hres;
    UINT32 v;
 
    TRACE("\n");
 
    hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_number(v);
    return S_OK;
}

DataView_getUint8()

static HRESULT DataView_getUint8 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 428 of file arraybuf.c.

{
    HRESULT hres;
    UINT8 v;
 
    TRACE("\n");
 
    hres = get_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_number(v);
    return S_OK;
}

DataView_setFloat32()

static HRESULT DataView_setFloat32 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 470 of file arraybuf.c.

{
    HRESULT hres;
    double n;
    float v;
 
    TRACE("\n");
 
    if(argc < 2)
        return JS_E_DATAVIEW_NO_ARGUMENT;
    hres = to_number(ctx, argv[1], &n);
    if(FAILED(hres))
        return hres;
    v = n;  /* FIXME: don't assume rounding mode is round-to-nearest ties-to-even */
 
    hres = set_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_undefined();
    return S_OK;
}

DataView_setFloat64()

static HRESULT DataView_setFloat64 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 492 of file arraybuf.c.

{
    HRESULT hres;
    double v;
 
    TRACE("\n");
 
    if(argc < 2)
        return JS_E_DATAVIEW_NO_ARGUMENT;
    hres = to_number(ctx, argv[1], &v);
    if(FAILED(hres))
        return hres;
 
    hres = set_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_undefined();
    return S_OK;
}

DataView_setInt16()

static HRESULT DataView_setInt16 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 534 of file arraybuf.c.

{
    HRESULT hres;
    INT32 n;
    INT16 v;
 
    TRACE("\n");
 
    if(argc < 2)
        return JS_E_DATAVIEW_NO_ARGUMENT;
    hres = to_int32(ctx, argv[1], &n);
    if(FAILED(hres))
        return hres;
    v = n;
 
    hres = set_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_undefined();
    return S_OK;
}

DataView_setInt32()

static HRESULT DataView_setInt32 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 556 of file arraybuf.c.

{
    HRESULT hres;
    INT32 v;
 
    TRACE("\n");
 
    if(argc < 2)
        return JS_E_DATAVIEW_NO_ARGUMENT;
    hres = to_int32(ctx, argv[1], &v);
    if(FAILED(hres))
        return hres;
 
    hres = set_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_undefined();
    return S_OK;
}

DataView_setInt8()

static HRESULT DataView_setInt8 ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 512 of file arraybuf.c.

{
    HRESULT hres;
    INT32 n;
    INT8 v;
 
    TRACE("\n");
 
    if(argc < 2)
        return JS_E_DATAVIEW_NO_ARGUMENT;
    hres = to_int32(ctx, argv[1], &n);
    if(FAILED(hres))
        return hres;
    v = n;
 
    hres = set_data(ctx, vthis, argc, argv, sizeof(v), &v);
    if(FAILED(hres))
        return hres;
    if(r) *r = jsval_undefined();
    return S_OK;
}

dataview_this()

static DataViewInstance * dataview_this ( jsval_t  vthis )

inlinestatic

Definition at line 222 of file arraybuf.c.

{
    jsdisp_t *jsdisp = is_object_instance(vthis) ? to_jsdisp(get_object(vthis)) : NULL;
    return (jsdisp && is_class(jsdisp, JSCLASS_DATAVIEW)) ? dataview_from_jsdisp(jsdisp) : NULL;
}

Referenced by DataView_get_buffer(), DataView_get_byteLength(), DataView_get_byteOffset(), get_data(), and set_data().

DataViewConstr_value()

static HRESULT DataViewConstr_value ( script_ctx_t *  ctx, jsval_t  vthis, WORD  flags, unsigned  argc, jsval_t *  argv, jsval_t *  r  )

static

Definition at line 622 of file arraybuf.c.

{
    ArrayBufferInstance *arraybuf;
    DataViewInstance *view;
    DWORD offset = 0, size;
    HRESULT hres;
 
    TRACE("\n");
 
    switch(flags) {
    case DISPATCH_METHOD:
    case DISPATCH_CONSTRUCT: {
        if(!argc || !(arraybuf = arraybuf_this(argv[0])))
            return JS_E_DATAVIEW_NO_ARGUMENT;
        size = arraybuf->size;
 
        if(argc > 1) {
            double offs, len, maxsize = size;
            hres = to_integer(ctx, argv[1], &offs);
            if(FAILED(hres))
                return hres;
            if(offs < 0.0 || offs > maxsize)
                return JS_E_DATAVIEW_INVALID_OFFSET;
            offset = offs;
 
            if(argc > 2 && !is_undefined(argv[2])) {
                hres = to_integer(ctx, argv[2], &len);
                if(FAILED(hres))
                    return hres;
                if(len < 0.0 || offs+len > maxsize)
                    return JS_E_DATAVIEW_INVALID_OFFSET;
                size = len;
            }else
                size -= offset;
        }
 
        if(!r)
            return S_OK;
 
        if(!(view = calloc(1, sizeof(DataViewInstance))))
            return E_OUTOFMEMORY;
 
        hres = init_dispex_from_constr(&view->dispex, ctx, &DataViewInst_info, ctx->dataview_constr);
        if(FAILED(hres)) {
            free(view);
            return hres;
        }
 
        jsdisp_addref(&arraybuf->dispex);
        view->buffer = arraybuf;
        view->offset = offset;
        view->size = size;
 
        *r = jsval_obj(&view->dispex);
        break;
    }
    default:
        FIXME("unimplemented flags: %x\n", flags);
        return E_NOTIMPL;
    }
 
    return S_OK;
}

Referenced by init_arraybuf_constructors().

get_data()

static HRESULT get_data ( script_ctx_t *  ctx, jsval_t  vthis, unsigned  argc, jsval_t *  argv, unsigned  type_size, void *  ret  )

static

Definition at line 280 of file arraybuf.c.

{
    BOOL little_endian = FALSE;
    DataViewInstance *view;
    HRESULT hres;
    DWORD offset;
    BYTE *data;
    double n;
 
    if(!(view = dataview_this(vthis)))
        return JS_E_NOT_DATAVIEW;
    if(!argc || is_undefined(argv[0]))
        return JS_E_DATAVIEW_NO_ARGUMENT;
 
    hres = to_integer(ctx, argv[0], &n);
    if(FAILED(hres))
        return hres;
 
    if(n < 0.0 || n + type_size > view->size)
        return JS_E_DATAVIEW_INVALID_ACCESS;
 
    offset = n;
    data = &view->buffer->buf[view->offset + offset];
 
    if(type_size == 1) {
        *(BYTE*)ret = data[0];
        return S_OK;
    }
 
    if(argc > 1) {
        hres = to_boolean(argv[1], &little_endian);
        if(FAILED(hres))
            return hres;
    }
 
    copy_type_data(ret, data, type_size, little_endian);
    return S_OK;
}

Referenced by DataView_getFloat32(), DataView_getFloat64(), DataView_getInt16(), DataView_getInt32(), DataView_getInt8(), DataView_getUint16(), DataView_getUint32(), DataView_getUint8(), and test_put_data().

init_arraybuf_constructors()

HRESULT init_arraybuf_constructors

(

script_ctx_t *

ctx

)

Definition at line 692 of file arraybuf.c.

{
    static const struct {
        const WCHAR *name;
        builtin_invoke_t get;
    } DataView_getters[] = {
        { L"buffer",        DataView_get_buffer },
        { L"byteLength",    DataView_get_byteLength },
        { L"byteOffset",    DataView_get_byteOffset },
    };
    ArrayBufferInstance *arraybuf;
    DataViewInstance *view;
    property_desc_t desc;
    HRESULT hres;
    unsigned i;
 
    if(ctx->version < SCRIPTLANGUAGEVERSION_ES5)
        return S_OK;
 
    if(!(arraybuf = calloc(1, FIELD_OFFSET(ArrayBufferInstance, buf[0]))))
        return E_OUTOFMEMORY;
 
    hres = init_dispex(&arraybuf->dispex, ctx, &ArrayBuffer_info, ctx->object_prototype);
    if(FAILED(hres)) {
        free(arraybuf);
        return hres;
    }
 
    hres = create_builtin_constructor(ctx, ArrayBufferConstr_value, L"ArrayBuffer", &ArrayBufferConstr_info,
                                      PROPF_CONSTR|1, &arraybuf->dispex, &ctx->arraybuf_constr);
    jsdisp_release(&arraybuf->dispex);
    if(FAILED(hres))
        return hres;
 
    hres = jsdisp_define_data_property(ctx->global, L"ArrayBuffer", PROPF_CONFIGURABLE | PROPF_WRITABLE,
                                       jsval_obj(ctx->arraybuf_constr));
    if(FAILED(hres))
        return hres;
 
    if(!(view = calloc(1, sizeof(DataViewInstance))))
        return E_OUTOFMEMORY;
 
    hres = create_arraybuf(ctx, 0, &view->buffer);
    if(FAILED(hres)) {
        free(view);
        return hres;
    }
 
    hres = init_dispex(&view->dispex, ctx, &DataView_info, ctx->object_prototype);
    if(FAILED(hres)) {
        jsdisp_release(&view->buffer->dispex);
        free(view);
        return hres;
    }
 
    desc.flags = PROPF_CONFIGURABLE;
    desc.mask  = PROPF_CONFIGURABLE | PROPF_ENUMERABLE;
    desc.explicit_getter = desc.explicit_setter = TRUE;
    desc.explicit_value = FALSE;
    desc.setter = NULL;
 
    /* FIXME: If we find we need builtin accessors in other places, we should consider a more generic solution */
    for(i = 0; i < ARRAY_SIZE(DataView_getters); i++) {
        hres = create_builtin_function(ctx, DataView_getters[i].get, NULL, NULL, PROPF_METHOD, NULL, &desc.getter);
        if(SUCCEEDED(hres)) {
            hres = jsdisp_define_property(&view->dispex, DataView_getters[i].name, &desc);
            jsdisp_release(desc.getter);
        }
        if(FAILED(hres)) {
            jsdisp_release(&view->dispex);
            return hres;
        }
    }
 
    hres = create_builtin_constructor(ctx, DataViewConstr_value, L"DataView", &DataViewConstr_info,
                                      PROPF_CONSTR|1, &view->dispex, &ctx->dataview_constr);
    jsdisp_release(&view->dispex);
    if(FAILED(hres))
        return hres;
 
    hres = jsdisp_define_data_property(ctx->global, L"DataView", PROPF_CONFIGURABLE | PROPF_WRITABLE,
                                       jsval_obj(ctx->dataview_constr));
 
    return hres;
}

Referenced by init_global().

set_data()

static HRESULT set_data ( script_ctx_t *  ctx, jsval_t  vthis, unsigned  argc, jsval_t *  argv, unsigned  type_size, const void *  val  )

static

Definition at line 319 of file arraybuf.c.

{
    BOOL little_endian = FALSE;
    DataViewInstance *view;
    HRESULT hres;
    DWORD offset;
    BYTE *data;
    double n;
 
    if(!(view = dataview_this(vthis)))
        return JS_E_NOT_DATAVIEW;
    if(is_undefined(argv[0]) || is_undefined(argv[1]))
        return JS_E_DATAVIEW_NO_ARGUMENT;
 
    hres = to_integer(ctx, argv[0], &n);
    if(FAILED(hres))
        return hres;
 
    if(n < 0.0 || n + type_size > view->size)
        return JS_E_DATAVIEW_INVALID_ACCESS;
 
    offset = n;
    data = &view->buffer->buf[view->offset + offset];
 
    if(type_size == 1) {
        data[0] = *(const BYTE*)val;
        return S_OK;
    }
 
    if(argc > 2) {
        hres = to_boolean(argv[2], &little_endian);
        if(FAILED(hres))
            return hres;
    }
 
    copy_type_data(data, val, type_size, little_endian);
    return S_OK;
}

Referenced by DataView_setFloat32(), DataView_setFloat64(), DataView_setInt16(), DataView_setInt32(), and DataView_setInt8().

WINE_DEFAULT_DEBUG_CHANNEL()

WINE_DEFAULT_DEBUG_CHANNEL

(

jscript

)

Variable Documentation

ArrayBuffer_info

const builtin_info_t ArrayBuffer_info

static

Initial value:

= {
    .class     = JSCLASS_ARRAYBUFFER,
    .props_cnt = ARRAY_SIZE(ArrayBuffer_props),
    .props     = ArrayBuffer_props,
}

Definition at line 128 of file arraybuf.c.

Referenced by init_arraybuf_constructors().

ArrayBuffer_props

const builtin_prop_t ArrayBuffer_props[]

static

Initial value:

= {
    {L"byteLength",            NULL, 0,                    ArrayBuffer_get_byteLength},
    {L"slice",                 ArrayBuffer_slice,          PROPF_METHOD|2},
}

Definition at line 123 of file arraybuf.c.

ArrayBufferConstr_info

const builtin_info_t ArrayBufferConstr_info

static

Initial value:

= {
    .class     = JSCLASS_FUNCTION,
    .call      = Function_value,
    .props_cnt = ARRAY_SIZE(ArrayBufferConstr_props),
    .props     = ArrayBufferConstr_props,
}

Definition at line 215 of file arraybuf.c.

Referenced by init_arraybuf_constructors().

ArrayBufferConstr_props

const builtin_prop_t ArrayBufferConstr_props[]

static

Initial value:

= {
    {L"isView",                ArrayBufferConstr_isView,   PROPF_METHOD|1},
}

Definition at line 211 of file arraybuf.c.

ArrayBufferInst_info

const builtin_info_t ArrayBufferInst_info

static

Initial value:

= {
    .class     = JSCLASS_ARRAYBUFFER,
    .props_cnt = ARRAY_SIZE(ArrayBufferInst_props),
    .props     = ArrayBufferInst_props,
}

Definition at line 138 of file arraybuf.c.

Referenced by create_arraybuf().

ArrayBufferInst_props

const builtin_prop_t ArrayBufferInst_props[]

static

Initial value:

= {
    {L"byteLength",            NULL, 0,                    ArrayBuffer_get_byteLength},
}

Definition at line 134 of file arraybuf.c.

DataView_info

const builtin_info_t DataView_info

static

Initial value:

= {
    .class       = JSCLASS_DATAVIEW,
    .props_cnt   = ARRAY_SIZE(DataView_props),
    .props       = DataView_props,
    .destructor  = DataView_destructor,
    .gc_traverse = DataView_gc_traverse
}

Definition at line 608 of file arraybuf.c.

Referenced by init_arraybuf_constructors().

DataView_props

const builtin_prop_t DataView_props[]

static

Initial value:

= {
    {L"getFloat32",            DataView_getFloat32,        PROPF_METHOD|1},
    {L"getFloat64",            DataView_getFloat64,        PROPF_METHOD|1},
    {L"getInt16",              DataView_getInt16,          PROPF_METHOD|1},
    {L"getInt32",              DataView_getInt32,          PROPF_METHOD|1},
    {L"getInt8",               DataView_getInt8,           PROPF_METHOD|1},
    {L"getUint16",             DataView_getUint16,         PROPF_METHOD|1},
    {L"getUint32",             DataView_getUint32,         PROPF_METHOD|1},
    {L"getUint8",              DataView_getUint8,          PROPF_METHOD|1},
    {L"setFloat32",            DataView_setFloat32,        PROPF_METHOD|1},
    {L"setFloat64",            DataView_setFloat64,        PROPF_METHOD|1},
    {L"setInt16",              DataView_setInt16,          PROPF_METHOD|1},
    {L"setInt32",              DataView_setInt32,          PROPF_METHOD|1},
    {L"setInt8",               DataView_setInt8,           PROPF_METHOD|1},
    {L"setUint16",             DataView_setInt16,          PROPF_METHOD|1},
    {L"setUint32",             DataView_setInt32,          PROPF_METHOD|1},
    {L"setUint8",              DataView_setInt8,           PROPF_METHOD|1},
}

Definition at line 576 of file arraybuf.c.

DataViewConstr_info

const builtin_info_t DataViewConstr_info

static

Initial value:

= {
    .class = JSCLASS_FUNCTION,
    .call  = Function_value,
}

Definition at line 687 of file arraybuf.c.

Referenced by init_arraybuf_constructors().

DataViewInst_info

const builtin_info_t DataViewInst_info

static

Initial value:

= {
    .class       = JSCLASS_DATAVIEW,
    .destructor  = DataView_destructor,
    .gc_traverse = DataView_gc_traverse
}

Definition at line 616 of file arraybuf.c.

Referenced by DataViewConstr_value().