gecko/layout/style/nsCSSPseudoClasses.cpp

110 lines
3.7 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is atom lists for CSS pseudos.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* L. David Baron <dbaron@dbaron.org>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* atom list for CSS pseudo-classes */
#include "mozilla/Util.h"
#include "nsCSSPseudoClasses.h"
#include "nsAtomListUtils.h"
#include "nsStaticAtom.h"
#include "nsMemory.h"
using namespace mozilla;
// define storage for all atoms
#define CSS_PSEUDO_CLASS(_name, _value) static nsIAtom* sPseudoClass_##_name;
#include "nsCSSPseudoClassList.h"
#undef CSS_PSEUDO_CLASS
#define CSS_PSEUDO_CLASS(name_, value_) \
NS_STATIC_ATOM_BUFFER(name_##_buffer, value_)
#include "nsCSSPseudoClassList.h"
#undef CSS_PSEUDO_CLASS
static const nsStaticAtom CSSPseudoClasses_info[] = {
#define CSS_PSEUDO_CLASS(name_, value_) \
NS_STATIC_ATOM(name_##_buffer, &sPseudoClass_##name_),
#include "nsCSSPseudoClassList.h"
#undef CSS_PSEUDO_CLASS
};
void nsCSSPseudoClasses::AddRefAtoms()
{
NS_RegisterStaticAtoms(CSSPseudoClasses_info,
ArrayLength(CSSPseudoClasses_info));
}
bool
nsCSSPseudoClasses::HasStringArg(Type aType)
{
return aType == ePseudoClass_lang ||
aType == ePseudoClass_mozEmptyExceptChildrenWithLocalname ||
aType == ePseudoClass_mozSystemMetric ||
aType == ePseudoClass_mozLocaleDir;
}
bool
nsCSSPseudoClasses::HasNthPairArg(Type aType)
{
return aType == ePseudoClass_nthChild ||
aType == ePseudoClass_nthLastChild ||
aType == ePseudoClass_nthOfType ||
aType == ePseudoClass_nthLastOfType;
}
void
nsCSSPseudoClasses::PseudoTypeToString(Type aType, nsAString& aString)
{
NS_ABORT_IF_FALSE(aType < ePseudoClass_Count, "Unexpected type");
NS_ABORT_IF_FALSE(aType >= 0, "Very unexpected type");
(*CSSPseudoClasses_info[aType].mAtom)->ToString(aString);
}
nsCSSPseudoClasses::Type
nsCSSPseudoClasses::GetPseudoType(nsIAtom* aAtom)
{
for (PRUint32 i = 0; i < ArrayLength(CSSPseudoClasses_info); ++i) {
if (*CSSPseudoClasses_info[i].mAtom == aAtom) {
return Type(i);
}
}
return nsCSSPseudoClasses::ePseudoClass_NotPseudoClass;
}