gecko-dev/parser/html/nsHtml5AttributeEntry.h

92 строки
2.6 KiB
C++

/* 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/. */
#ifndef nsHtml5AttributeEntry_h
#define nsHtml5AttributeEntry_h
#include "nsHtml5AttributeName.h"
class nsHtml5AttributeEntry final
{
public:
nsHtml5AttributeEntry(nsHtml5AttributeName* aName,
nsHtml5String aValue,
int32_t aLine)
: mLine(aLine)
, mValue(aValue)
{
// Let's hope the compiler coalesces the following as appropriate.
mLocals[0] = aName->getLocal(0);
mLocals[1] = aName->getLocal(1);
mLocals[2] = aName->getLocal(2);
mPrefixes[0] = aName->getPrefix(0);
mPrefixes[1] = aName->getPrefix(1);
mPrefixes[2] = aName->getPrefix(2);
mUris[0] = aName->getUri(0);
mUris[1] = aName->getUri(1);
mUris[2] = aName->getUri(2);
}
// Isindex-only so doesn't need to deal with SVG and MathML
nsHtml5AttributeEntry(nsIAtom* aName, nsHtml5String aValue, int32_t aLine)
: mLine(aLine)
, mValue(aValue)
{
// Let's hope the compiler coalesces the following as appropriate.
mLocals[0] = aName;
mLocals[1] = aName;
mLocals[2] = aName;
mPrefixes[0] = nullptr;
mPrefixes[1] = nullptr;
mPrefixes[2] = nullptr;
mUris[0] = kNameSpaceID_None;
mUris[1] = kNameSpaceID_None;
mUris[2] = kNameSpaceID_None;
}
inline nsIAtom* GetLocal(int32_t aMode) { return mLocals[aMode]; }
inline nsIAtom* GetPrefix(int32_t aMode) { return mPrefixes[aMode]; }
inline int32_t GetUri(int32_t aMode) { return mUris[aMode]; }
inline nsHtml5String GetValue() { return mValue; }
inline int32_t GetLine() { return mLine; }
inline void ReleaseValue() { mValue.Release(); }
inline nsHtml5AttributeEntry Clone(nsHtml5AtomTable* aInterner)
{
// Copy the memory
nsHtml5AttributeEntry clone(*this);
// Increment refcount for value
clone.mValue = this->mValue.Clone();
if (aInterner) {
// Now if we have an interner, we'll need to rewrite non-static atoms.
// Only the local names may be non-static, in which case all three
// are the same.
nsIAtom* local = GetLocal(0);
if (!local->IsStaticAtom()) {
nsAutoString str;
local->ToString(str);
local = aInterner->GetAtom(str);
clone.mLocals[0] = local;
clone.mLocals[1] = local;
clone.mLocals[2] = local;
}
}
return clone;
}
private:
nsIAtom* mLocals[3];
nsIAtom* mPrefixes[3];
int32_t mUris[3];
int32_t mLine;
nsHtml5String mValue;
};
#endif // nsHtml5AttributeEntry_h