C++ (Cpp) jsstr_extract Examples

Example #1

File: jsstr.c Project: GYGit/reactos

static void jsstr_rope_extract(jsstr_rope_t *str, unsigned off, unsigned len, WCHAR *buf)
{
    unsigned left_len = jsstr_length(str->left);

    if(left_len <= off) {
        jsstr_extract(str->right, off-left_len, len, buf);
    }else if(left_len >= len+off) {
        jsstr_extract(str->left, off, len, buf);
    }else {
        left_len -= off;
        jsstr_extract(str->left, off, left_len, buf);
        jsstr_extract(str->right, 0, len-left_len, buf+left_len);
    }
}

Example #2

File: json.c Project: AmesianX/wine

/* ECMA-262 5.1 Edition    15.12.3 */
static HRESULT JSON_stringify(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
{
    stringify_ctx_t stringify_ctx = {ctx, NULL,0,0, NULL,0,0, {0}};
    HRESULT hres;

    TRACE("\n");

    if(argc >= 2 && is_object_instance(argv[1])) {
        FIXME("Replacer %s not yet supported\n", debugstr_jsval(argv[1]));
        return E_NOTIMPL;
    }

    if(argc >= 3) {
        jsval_t space_val;

        hres = maybe_to_primitive(ctx, argv[2], &space_val);
        if(FAILED(hres))
            return hres;

        if(is_number(space_val)) {
            double n = get_number(space_val);
            if(n >= 1) {
                int i, len;
                if(n > 10)
                    n = 10;
                len = floor(n);
                for(i=0; i < len; i++)
                    stringify_ctx.gap[i] = ' ';
                stringify_ctx.gap[len] = 0;
            }
        }else if(is_string(space_val)) {
            jsstr_t *space_str = get_string(space_val);
            size_t len = jsstr_length(space_str);
            if(len > 10)
                len = 10;
            jsstr_extract(space_str, 0, len, stringify_ctx.gap);
        }

        jsval_release(space_val);
    }

    hres = stringify(&stringify_ctx, argv[0]);
    if(SUCCEEDED(hres) && r) {
        assert(!stringify_ctx.stack_top);

        if(hres == S_OK) {
            jsstr_t *ret = jsstr_alloc_len(stringify_ctx.buf, stringify_ctx.buf_len);
            if(ret)
                *r = jsval_string(ret);
            else
                hres = E_OUTOFMEMORY;
        }else {
            *r = jsval_undefined();
        }
    }

    heap_free(stringify_ctx.buf);
    heap_free(stringify_ctx.stack);
    return hres;
}

Example #3

File: string.c Project: jre-wine/wine

/* ECMA-262 3rd Edition    15.5.4.5 */
static HRESULT String_charCodeAt(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv,
                                 jsval_t *r)
{
    jsstr_t *str;
    DWORD idx = 0;
    HRESULT hres;

    TRACE("\n");

    hres = get_string_val(ctx, jsthis, &str);
    if(FAILED(hres))
        return hres;

    if(argc > 0) {
        double d;

        hres = to_integer(ctx, argv[0], &d);
        if(FAILED(hres)) {
            jsstr_release(str);
            return hres;
        }

        if(!is_int32(d) || d < 0 || d >= jsstr_length(str)) {
            jsstr_release(str);
            if(r)
                *r = jsval_number(NAN);
            return S_OK;
        }

        idx = d;
    }

    if(r) {
        WCHAR c;
        jsstr_extract(str, idx, 1, &c);
        *r = jsval_number(c);
    }

    jsstr_release(str);
    return S_OK;
}