nsIAtom*
nsAttrValue::AtomAt(PRInt32 aIndex) const
{
NS_PRECONDITION(aIndex >= 0, "Index must not be negative");
NS_PRECONDITION(GetAtomCount() > PRUint32(aIndex), "aIndex out of range");
if (BaseType() == eAtomBase) {
return GetAtomValue();
}
NS_ASSERTION(Type() == eAtomArray, "GetAtomCount must be confused");
return GetAtomArrayValue()->ElementAt(aIndex);
}
PRUint32
nsAttrValue::GetAtomCount() const
{
ValueType type = Type();
if (type == eAtom) {
return 1;
}
if (type == eAtomArray) {
return GetAtomArrayValue()->Length();
}
return 0;
}
PRBool
nsAttrValue::Contains(nsIAtom* aValue, nsCaseTreatment aCaseSensitive) const
{
switch (BaseType()) {
case eAtomBase:
{
nsIAtom* atom = GetAtomValue();
if (aCaseSensitive == eCaseMatters) {
return aValue == atom;
}
// For performance reasons, don't do a full on unicode case insensitive
// string comparison. This is only used for quirks mode anyway.
return
nsContentUtils::EqualsIgnoreASCIICase(nsDependentAtomString(aValue),
nsDependentAtomString(atom));
}
default:
{
if (Type() == eAtomArray) {
AtomArray* array = GetAtomArrayValue();
if (aCaseSensitive == eCaseMatters) {
return array->IndexOf(aValue) != AtomArray::NoIndex;
}
nsDependentAtomString val1(aValue);
for (nsCOMPtr<nsIAtom> *cur = array->Elements(),
*end = cur + array->Length();
cur != end; ++cur) {
// For performance reasons, don't do a full on unicode case
// insensitive string comparison. This is only used for quirks mode
// anyway.
if (nsContentUtils::EqualsIgnoreASCIICase(val1,
nsDependentAtomString(*cur))) {
return PR_TRUE;
}
}
}
}
}
return PR_FALSE;
}
PRBool
nsAttrValue::Contains(nsIAtom* aValue, nsCaseTreatment aCaseSensitive) const
{
switch (BaseType()) {
case eAtomBase:
{
nsIAtom* atom = GetAtomValue();
if (aCaseSensitive == eCaseMatters) {
return aValue == atom;
}
const char *val1, *val2;
aValue->GetUTF8String(&val1);
atom->GetUTF8String(&val2);
return nsCRT::strcasecmp(val1, val2) == 0;
}
default:
{
if (Type() == eAtomArray) {
nsCOMArray<nsIAtom>* array = GetAtomArrayValue();
if (aCaseSensitive == eCaseMatters) {
return array->IndexOf(aValue) >= 0;
}
const char *val1, *val2;
aValue->GetUTF8String(&val1);
for (PRInt32 i = 0, count = array->Count(); i < count; ++i) {
array->ObjectAt(i)->GetUTF8String(&val2);
if (nsCRT::strcasecmp(val1, val2) == 0) {
return PR_TRUE;
}
}
}
}
}
return PR_FALSE;
}
void
nsAttrValue::ParseAtomArray(const nsAString& aValue)
{
nsAString::const_iterator iter, end;
aValue.BeginReading(iter);
aValue.EndReading(end);
PRBool hasSpace = PR_FALSE;
// skip initial whitespace
while (iter != end && nsContentUtils::IsHTMLWhitespace(*iter)) {
hasSpace = PR_TRUE;
++iter;
}
if (iter == end) {
SetTo(aValue);
return;
}
nsAString::const_iterator start(iter);
// get first - and often only - atom
do {
++iter;
} while (iter != end && !nsContentUtils::IsHTMLWhitespace(*iter));
nsCOMPtr<nsIAtom> classAtom = do_GetAtom(Substring(start, iter));
if (!classAtom) {
Reset();
return;
}
// skip whitespace
while (iter != end && nsContentUtils::IsHTMLWhitespace(*iter)) {
hasSpace = PR_TRUE;
++iter;
}
if (iter == end && !hasSpace) {
// we only found one classname and there was no whitespace so
// don't bother storing a list
ResetIfSet();
nsIAtom* atom = nsnull;
classAtom.swap(atom);
SetPtrValueAndType(atom, eAtomBase);
return;
}
if (!EnsureEmptyAtomArray()) {
return;
}
AtomArray* array = GetAtomArrayValue();
if (!array->AppendElement(classAtom)) {
Reset();
return;
}
// parse the rest of the classnames
while (iter != end) {
start = iter;
do {
++iter;
} while (iter != end && !nsContentUtils::IsHTMLWhitespace(*iter));
classAtom = do_GetAtom(Substring(start, iter));
if (!array->AppendElement(classAtom)) {
Reset();
return;
}
// skip whitespace
while (iter != end && nsContentUtils::IsHTMLWhitespace(*iter)) {
++iter;
}
}
SetMiscAtomOrString(&aValue);
return;
}
void
nsAttrValue::SetTo(const nsAttrValue& aOther)
{
switch (aOther.BaseType()) {
case eStringBase:
{
ResetIfSet();
nsStringBuffer* str = static_cast<nsStringBuffer*>(aOther.GetPtr());
if (str) {
str->AddRef();
SetPtrValueAndType(str, eStringBase);
}
#ifdef TAINTED
if(aOther.isTainted()==1){
mTainted=1;
mJSStr=aOther.mJSStr;
}
#endif
return;
}
case eOtherBase:
{
break;
}
case eAtomBase:
{
ResetIfSet();
nsIAtom* atom = aOther.GetAtomValue();
NS_ADDREF(atom);
SetPtrValueAndType(atom, eAtomBase);
return;
}
case eIntegerBase:
{
ResetIfSet();
mBits = aOther.mBits;
return;
}
}
MiscContainer* otherCont = aOther.GetMiscContainer();
if (!EnsureEmptyMiscContainer()) {
return;
}
MiscContainer* cont = GetMiscContainer();
switch (otherCont->mType) {
case eInteger:
{
cont->mInteger = otherCont->mInteger;
break;
}
case eEnum:
{
cont->mEnumValue = otherCont->mEnumValue;
break;
}
case ePercent:
{
cont->mPercent = otherCont->mPercent;
break;
}
case eColor:
{
cont->mColor = otherCont->mColor;
break;
}
case eCSSStyleRule:
{
NS_ADDREF(cont->mCSSStyleRule = otherCont->mCSSStyleRule);
break;
}
case eAtomArray:
{
if (!EnsureEmptyAtomArray() ||
!GetAtomArrayValue()->AppendElements(*otherCont->mAtomArray)) {
Reset();
return;
}
break;
}
case eSVGValue:
{
NS_ADDREF(cont->mSVGValue = otherCont->mSVGValue);
break;
}
case eDoubleValue:
{
cont->mDoubleValue = otherCont->mDoubleValue;
break;
}
case eIntMarginValue:
{
if (otherCont->mIntMargin)
cont->mIntMargin = new nsIntMargin(*otherCont->mIntMargin);
break;
}
default:
{
NS_NOTREACHED("unknown type stored in MiscContainer");
break;
}
}
void* otherPtr = MISC_STR_PTR(otherCont);
if (otherPtr) {
if (static_cast<ValueBaseType>(otherCont->mStringBits & NS_ATTRVALUE_BASETYPE_MASK) ==
eStringBase) {
static_cast<nsStringBuffer*>(otherPtr)->AddRef();
} else {
static_cast<nsIAtom*>(otherPtr)->AddRef();
}
cont->mStringBits = otherCont->mStringBits;
}
// Note, set mType after switch-case, otherwise EnsureEmptyAtomArray doesn't
// work correctly.
cont->mType = otherCont->mType;
}
void
nsAttrValue::ParseAtomArray(const nsAString& aValue)
{
nsAString::const_iterator iter, end;
aValue.BeginReading(iter);
aValue.EndReading(end);
// skip initial whitespace
while (iter != end && nsCRT::IsAsciiSpace(*iter)) {
++iter;
}
if (iter == end) {
ResetIfSet();
return;
}
nsAString::const_iterator start(iter);
// get first - and often only - atom
do {
++iter;
} while (iter != end && !nsCRT::IsAsciiSpace(*iter));
nsCOMPtr<nsIAtom> classAtom = do_GetAtom(Substring(start, iter));
if (!classAtom) {
Reset();
return;
}
// skip whitespace
while (iter != end && nsCRT::IsAsciiSpace(*iter)) {
++iter;
}
if (iter == end) {
// we only found one classname so don't bother storing a list
ResetIfSet();
nsIAtom* atom = nsnull;
classAtom.swap(atom);
SetPtrValueAndType(atom, eAtomBase);
return;
}
if (!EnsureEmptyAtomArray()) {
return;
}
nsCOMArray<nsIAtom>* array = GetAtomArrayValue();
if (!array->AppendObject(classAtom)) {
Reset();
return;
}
// parse the rest of the classnames
do {
start = iter;
do {
++iter;
} while (iter != end && !nsCRT::IsAsciiSpace(*iter));
classAtom = do_GetAtom(Substring(start, iter));
if (!array->AppendObject(classAtom)) {
Reset();
return;
}
// skip whitespace
while (iter != end && nsCRT::IsAsciiSpace(*iter)) {
++iter;
}
} while (iter != end);
return;
}
void
nsAttrValue::SetTo(const nsAttrValue& aOther)
{
switch (aOther.BaseType()) {
case eStringBase:
{
ResetIfSet();
nsStringBuffer* str = static_cast<nsStringBuffer*>(aOther.GetPtr());
if (str) {
str->AddRef();
SetPtrValueAndType(str, eStringBase);
}
return;
}
case eOtherBase:
{
break;
}
case eAtomBase:
{
ResetIfSet();
nsIAtom* atom = aOther.GetAtomValue();
NS_ADDREF(atom);
SetPtrValueAndType(atom, eAtomBase);
return;
}
case eIntegerBase:
{
ResetIfSet();
mBits = aOther.mBits;
return;
}
}
MiscContainer* otherCont = aOther.GetMiscContainer();
switch (otherCont->mType) {
case eColor:
{
if (EnsureEmptyMiscContainer()) {
MiscContainer* cont = GetMiscContainer();
cont->mColor = otherCont->mColor;
cont->mType = eColor;
}
break;
}
case eCSSStyleRule:
{
SetTo(otherCont->mCSSStyleRule);
break;
}
case eAtomArray:
{
if (!EnsureEmptyAtomArray() ||
!GetAtomArrayValue()->AppendObjects(*otherCont->mAtomArray)) {
Reset();
}
break;
}
#ifdef MOZ_SVG
case eSVGValue:
{
SetTo(otherCont->mSVGValue);
}
#endif
default:
{
NS_NOTREACHED("unknown type stored in MiscContainer");
break;
}
}
}