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jscript: Added String.slice implementation.

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This commit is contained in:
Jacek Caban 2008-09-21 15:42:05 +02:00 committed by Alexandre Julliard
parent 1388a6f421
commit 2c6847d000
2 changed files with 90 additions and 2 deletions
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75
dlls/jscript/string.c
View File

@ -353,11 +353,82 @@ static HRESULT String_search(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARA
return E_NOTIMPL;
}
/* ECMA-262 3rd Edition 15.5.4.13 */
static HRESULT String_slice(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,
VARIANT *retv, jsexcept_t *ei, IServiceProvider *sp)
{
FIXME("\n");
return E_NOTIMPL;
const WCHAR *str;
DWORD length;
INT start=0, end;
VARIANT v;
HRESULT hres;
TRACE("\n");
if(is_class(dispex, JSCLASS_STRING)) {
StringInstance *string = (StringInstance*)dispex;
str = string->str;
length = string->length;
}else {
FIXME("this is not a string class");
return E_NOTIMPL;
}
if(arg_cnt(dp)) {
hres = to_integer(dispex->ctx, dp->rgvarg + dp->cArgs-1, ei, &v);
if(FAILED(hres))
return hres;
if(V_VT(&v) == VT_I4) {
start = V_I4(&v);
if(start < 0) {
start = length + start;
if(start < 0)
start = 0;
}else if(start > length) {
start = length;
}
}else {
start = V_R8(&v) < 0.0 ? 0 : length;
}
}else {
start = 0;
}
if(arg_cnt(dp) >= 2) {
hres = to_integer(dispex->ctx, dp->rgvarg + dp->cArgs-2, ei, &v);
if(FAILED(hres))
return hres;
if(V_VT(&v) == VT_I4) {
end = V_I4(&v);
if(end < 0) {
end = length + end;
if(end < 0)
end = 0;
}else if(end > length) {
end = length;
}
}else {
end = V_R8(&v) < 0.0 ? 0 : length;
}
}else {
end = length;
}
if(end < start)
end = start;
if(retv) {
BSTR retstr = SysAllocStringLen(str+start, end-start);
if(!str)
return E_OUTOFMEMORY;
V_VT(retv) = VT_BSTR;
V_BSTR(retv) = retstr;
}
return S_OK;
}
static HRESULT String_small(DispatchEx *dispex, LCID lcid, WORD flags, DISPPARAMS *dp,

17
dlls/jscript/tests/api.js
View File

@ -74,6 +74,23 @@ ok(tmp === "bc", "'abcd'.substring(1,3,2) = " + tmp);
tmp = "abcd".substring();
ok(tmp === "abcd", "'abcd'.substring() = " + tmp);
tmp = "abcd".slice(1,3);
ok(tmp === "bc", "'abcd'.slice(1,3) = " + tmp);
tmp = "abcd".slice(1,-1);
ok(tmp === "bc", "'abcd'.slice(1,-1) = " + tmp);
tmp = "abcd".slice(-3,3);
ok(tmp === "bc", "'abcd'.slice(-3,3) = " + tmp);
tmp = "abcd".slice(-6,3);
ok(tmp === "abc", "'abcd'.slice(-6,3) = " + tmp);
tmp = "abcd".slice(3,1);
ok(tmp === "", "'abcd'.slice(3,1) = " + tmp);
tmp = "abcd".slice(true,3);
ok(tmp === "bc", "'abcd'.slice(true,3) = " + tmp);
tmp = "abcd".slice();
ok(tmp === "abcd", "'abcd'.slice() = " + tmp);
tmp = "abcd".slice(1);
ok(tmp === "bcd", "'abcd'.slice(1) = " + tmp);
var arr = new Array();
ok(typeof(arr) === "object", "arr () is not object");
ok((arr.length === 0), "arr.length is not 0");