mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
121 lines
3.7 KiB
C++
121 lines
3.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
/* atom list for CSS pseudo-elements */
|
|
|
|
#include "mozilla/Util.h"
|
|
|
|
#include "nsCSSPseudoElements.h"
|
|
#include "nsAtomListUtils.h"
|
|
#include "nsStaticAtom.h"
|
|
#include "nsMemory.h"
|
|
#include "nsCSSAnonBoxes.h"
|
|
|
|
using namespace mozilla;
|
|
|
|
// define storage for all atoms
|
|
#define CSS_PSEUDO_ELEMENT(name_, value_, flags_) \
|
|
nsICSSPseudoElement* nsCSSPseudoElements::name_;
|
|
#include "nsCSSPseudoElementList.h"
|
|
#undef CSS_PSEUDO_ELEMENT
|
|
|
|
#define CSS_PSEUDO_ELEMENT(name_, value_, flags_) \
|
|
NS_STATIC_ATOM_BUFFER(name_##_buffer, value_)
|
|
#include "nsCSSPseudoElementList.h"
|
|
#undef CSS_PSEUDO_ELEMENT
|
|
|
|
static const nsStaticAtom CSSPseudoElements_info[] = {
|
|
#define CSS_PSEUDO_ELEMENT(name_, value_, flags_) \
|
|
NS_STATIC_ATOM(name_##_buffer, (nsIAtom**)&nsCSSPseudoElements::name_),
|
|
#include "nsCSSPseudoElementList.h"
|
|
#undef CSS_PSEUDO_ELEMENT
|
|
};
|
|
|
|
// Separate from the array above so that we can have an array of
|
|
// nsStaticAtom (to pass to NS_RegisterStaticAtoms and
|
|
// nsAtomListUtils::IsMember), but with corresponding indices (so the
|
|
// i-th element of this array is the flags for the i-th pseudo-element
|
|
// in the previous array).
|
|
static const PRUint32 CSSPseudoElements_flags[] = {
|
|
#define CSS_PSEUDO_ELEMENT(name_, value_, flags_) \
|
|
flags_,
|
|
#include "nsCSSPseudoElementList.h"
|
|
#undef CSS_PSEUDO_ELEMENT
|
|
};
|
|
|
|
void nsCSSPseudoElements::AddRefAtoms()
|
|
{
|
|
NS_RegisterStaticAtoms(CSSPseudoElements_info);
|
|
}
|
|
|
|
bool nsCSSPseudoElements::IsPseudoElement(nsIAtom *aAtom)
|
|
{
|
|
return nsAtomListUtils::IsMember(aAtom, CSSPseudoElements_info,
|
|
ArrayLength(CSSPseudoElements_info));
|
|
}
|
|
|
|
/* static */ bool
|
|
nsCSSPseudoElements::IsCSS2PseudoElement(nsIAtom *aAtom)
|
|
{
|
|
// We don't implement this using PseudoElementHasFlags because callers
|
|
// want to pass things that could be anon boxes.
|
|
NS_ASSERTION(nsCSSPseudoElements::IsPseudoElement(aAtom) ||
|
|
nsCSSAnonBoxes::IsAnonBox(aAtom),
|
|
"must be pseudo element or anon box");
|
|
bool result = aAtom == nsCSSPseudoElements::after ||
|
|
aAtom == nsCSSPseudoElements::before ||
|
|
aAtom == nsCSSPseudoElements::firstLetter ||
|
|
aAtom == nsCSSPseudoElements::firstLine;
|
|
NS_ASSERTION(nsCSSAnonBoxes::IsAnonBox(aAtom) ||
|
|
result ==
|
|
PseudoElementHasFlags(aAtom, CSS_PSEUDO_ELEMENT_IS_CSS2),
|
|
"result doesn't match flags");
|
|
return result;
|
|
}
|
|
|
|
/* static */ nsCSSPseudoElements::Type
|
|
nsCSSPseudoElements::GetPseudoType(nsIAtom *aAtom)
|
|
{
|
|
for (PRUint32 i = 0; i < ArrayLength(CSSPseudoElements_info); ++i) {
|
|
if (*CSSPseudoElements_info[i].mAtom == aAtom) {
|
|
return Type(i);
|
|
}
|
|
}
|
|
|
|
if (nsCSSAnonBoxes::IsAnonBox(aAtom)) {
|
|
#ifdef MOZ_XUL
|
|
if (nsCSSAnonBoxes::IsTreePseudoElement(aAtom)) {
|
|
return ePseudo_XULTree;
|
|
}
|
|
#endif
|
|
|
|
return ePseudo_AnonBox;
|
|
}
|
|
|
|
return ePseudo_NotPseudoElement;
|
|
}
|
|
|
|
/* static */ nsIAtom*
|
|
nsCSSPseudoElements::GetPseudoAtom(Type aType)
|
|
{
|
|
NS_ASSERTION(aType < nsCSSPseudoElements::ePseudo_PseudoElementCount,
|
|
"Unexpected type");
|
|
return *CSSPseudoElements_info[aType].mAtom;
|
|
}
|
|
|
|
/* static */ PRUint32
|
|
nsCSSPseudoElements::FlagsForPseudoElement(nsIAtom *aAtom)
|
|
{
|
|
PRUint32 i;
|
|
for (i = 0; i < ArrayLength(CSSPseudoElements_info); ++i) {
|
|
if (*CSSPseudoElements_info[i].mAtom == aAtom) {
|
|
break;
|
|
}
|
|
}
|
|
NS_ASSERTION(i < ArrayLength(CSSPseudoElements_info),
|
|
"argument must be a pseudo-element");
|
|
return CSSPseudoElements_flags[i];
|
|
}
|