зеркало из https://github.com/mozilla/pjs.git
194 строки
5.9 KiB
Plaintext
194 строки
5.9 KiB
Plaintext
/* -*- 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 Mozilla Communicator client code, released
|
|
* March 31, 1998.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998-1999
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of 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 ***** */
|
|
#include "nsISupports.idl"
|
|
|
|
%{C++
|
|
#include "nsStringGlue.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsStringBuffer.h"
|
|
%}
|
|
|
|
/*
|
|
* Should this really be scriptable? Using atoms from script or proxies
|
|
* could be dangerous since double-wrapping could lead to loss of
|
|
* pointer identity.
|
|
*/
|
|
|
|
[scriptable, builtinclass, uuid(1f341018-521a-49de-b806-1bef5c9a00b0)]
|
|
interface nsIAtom : nsISupports
|
|
{
|
|
/**
|
|
* Get the Unicode or UTF8 value for the string
|
|
*/
|
|
[binaryname(ScriptableToString)] AString toString();
|
|
[noscript] AUTF8String toUTF8String();
|
|
|
|
/**
|
|
* Compare the atom to a specific string value
|
|
* Note that this will NEVER return/throw an error condition.
|
|
*/
|
|
[binaryname(ScriptableEquals)] boolean equals(in AString aString);
|
|
|
|
[noscript, notxpcom] boolean equalsUTF8(in AUTF8String aString);
|
|
|
|
/**
|
|
* Returns true if the atom is static and false otherwise.
|
|
*/
|
|
[noscript, notxpcom] boolean isStaticAtom();
|
|
|
|
%{C++
|
|
// note this is NOT virtual so this won't muck with the vtable!
|
|
inline PRBool Equals(const nsAString& aString) {
|
|
return aString.Equals(nsDependentString(mString, mLength));
|
|
}
|
|
|
|
inline const PRUnichar* GetUTF16String() {
|
|
return mString;
|
|
}
|
|
|
|
inline const PRUint32 GetLength() {
|
|
return mLength;
|
|
}
|
|
|
|
inline void ToString(nsAString& aBuf) {
|
|
nsStringBuffer::FromData(mString)->ToString(mLength, aBuf);
|
|
}
|
|
|
|
protected:
|
|
PRUint32 mLength;
|
|
PRUnichar* mString;
|
|
%}
|
|
};
|
|
|
|
|
|
%{C++
|
|
/*
|
|
* The three forms of NS_NewAtom and do_GetAtom (for use with
|
|
* |nsCOMPtr<nsIAtom>|) return the atom for the string given. At any
|
|
* given time there will always be one atom representing a given string.
|
|
* Atoms are intended to make string comparison cheaper by simplifying
|
|
* it to pointer equality. A pointer to the atom that does not own a
|
|
* reference is not guaranteed to be valid.
|
|
*
|
|
* The three forms of NS_NewPermanentAtom and do_GetPermanentAtom return
|
|
* the atom for the given string and ensure that the atom is permanent.
|
|
* An atom that is permanent will exist (occupy space at a specific
|
|
* location in memory) until XPCOM is shut down. The advantage of
|
|
* permanent atoms is that they do not need to maintain a reference
|
|
* count, which requires locking and hurts performance.
|
|
*/
|
|
|
|
|
|
/**
|
|
* Find an atom that matches the given UTF-8 string.
|
|
* The string is assumed to be zero terminated.
|
|
*/
|
|
extern nsIAtom* NS_NewAtom(const char* aUTF8String);
|
|
|
|
inline already_AddRefed<nsIAtom> do_GetAtom(const char* aUTF8String)
|
|
{ return NS_NewAtom(aUTF8String); }
|
|
|
|
/**
|
|
* Find an atom that matches the given UTF-8 string.
|
|
*/
|
|
extern nsIAtom* NS_NewAtom(const nsACString& aUTF8String);
|
|
inline already_AddRefed<nsIAtom> do_GetAtom(const nsACString& aUTF8String)
|
|
{ return NS_NewAtom(aUTF8String); }
|
|
|
|
/**
|
|
* Find an atom that matches the given UTF-16 string.
|
|
* The string is assumed to be zero terminated.
|
|
*/
|
|
extern nsIAtom* NS_NewAtom(const PRUnichar* aUTF16String);
|
|
inline already_AddRefed<nsIAtom> do_GetAtom(const PRUnichar* aUTF16String)
|
|
{ return NS_NewAtom(aUTF16String); }
|
|
|
|
/**
|
|
* Find an atom that matches the given UTF-16 string.
|
|
*/
|
|
extern nsIAtom* NS_NewAtom(const nsAString& aUTF16String);
|
|
extern nsIAtom* NS_NewPermanentAtom(const nsAString& aUTF16String);
|
|
inline already_AddRefed<nsIAtom> do_GetAtom(const nsAString& aUTF16String)
|
|
{ return NS_NewAtom(aUTF16String); }
|
|
|
|
/**
|
|
* Return a count of the total number of atoms currently
|
|
* alive in the system.
|
|
*/
|
|
extern nsrefcnt NS_GetNumberOfAtoms(void);
|
|
|
|
/**
|
|
* Return a pointer for a static atom for the string or null if there's
|
|
* no static atom for this string.
|
|
*/
|
|
extern nsIAtom* NS_GetStaticAtom(const nsAString& aUTF16String);
|
|
|
|
/**
|
|
* Seal the static atom table
|
|
*/
|
|
extern void NS_SealStaticAtomTable();
|
|
|
|
class nsAtomString : public nsString
|
|
{
|
|
public:
|
|
nsAtomString(nsIAtom* aAtom)
|
|
{
|
|
aAtom->ToString(*this);
|
|
}
|
|
};
|
|
|
|
class nsAtomCString : public nsCString
|
|
{
|
|
public:
|
|
nsAtomCString(nsIAtom* aAtom)
|
|
{
|
|
aAtom->ToUTF8String(*this);
|
|
}
|
|
};
|
|
|
|
class nsDependentAtomString : public nsDependentString
|
|
{
|
|
public:
|
|
nsDependentAtomString(nsIAtom* aAtom)
|
|
: nsDependentString(aAtom->GetUTF16String(), aAtom->GetLength())
|
|
{
|
|
}
|
|
};
|
|
|
|
%}
|