mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
||
|
/* 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 mozilla_dom_FallbackEncoding_h_
|
||
|
#define mozilla_dom_FallbackEncoding_h_
|
||
|
|
||
|
#include "nsString.h"
|
||
|
|
||
|
namespace mozilla {
|
||
|
namespace dom {
|
||
|
|
||
|
class FallbackEncoding
|
||
|
{
|
||
|
public:
|
||
|
|
||
|
/**
|
||
|
* Whether FromTopLevelDomain() should be used.
|
||
|
*/
|
||
|
static bool sGuessFallbackFromTopLevelDomain;
|
||
|
|
||
|
/**
|
||
|
* Gets the locale-dependent fallback encoding for legacy HTML and plain
|
||
|
* text content.
|
||
|
*
|
||
|
* @param aFallback the outparam for the fallback encoding
|
||
|
*/
|
||
|
static void FromLocale(nsACString& aFallback);
|
||
|
|
||
|
/**
|
||
|
* Checks if it is appropriate to call FromTopLevelDomain() for a given TLD.
|
||
|
*
|
||
|
* @param aTLD the top-level domain (in Punycode)
|
||
|
* @return true if OK to call FromTopLevelDomain()
|
||
|
*/
|
||
|
static bool IsParticipatingTopLevelDomain(const nsACString& aTLD);
|
||
|
|
||
|
/**
|
||
|
* Gets a top-level domain-depedendent fallback encoding for legacy HTML
|
||
|
* and plain text content
|
||
|
*
|
||
|
* @param aTLD the top-level domain (in Punycode)
|
||
|
* @param aFallback the outparam for the fallback encoding
|
||
|
*/
|
||
|
static void FromTopLevelDomain(const nsACString& aTLD, nsACString& aFallback);
|
||
|
|
||
|
// public API ends here!
|
||
|
|
||
|
/**
|
||
|
* Allocate sInstance used by FromLocale().
|
||
|
* To be called from nsLayoutStatics only.
|
||
|
*/
|
||
|
static void Initialize();
|
||
|
|
||
|
/**
|
||
|
* Delete sInstance used by FromLocale().
|
||
|
* To be called from nsLayoutStatics only.
|
||
|
*/
|
||
|
static void Shutdown();
|
||
|
|
||
|
private:
|
||
|
|
||
|
/**
|
||
|
* The fallback cache.
|
||
|
*/
|
||
|
static FallbackEncoding* sInstance;
|
||
|
|
||
|
FallbackEncoding();
|
||
|
~FallbackEncoding();
|
||
|
|
||
|
/**
|
||
|
* Invalidates the cache.
|
||
|
*/
|
||
|
void Invalidate()
|
||
|
{
|
||
|
mFallback.Truncate();
|
||
|
}
|
||
|
|
||
|
static void PrefChanged(const char*, void*);
|
||
|
|
||
|
/**
|
||
|
* Gets the fallback encoding label.
|
||
|
* @param aFallback the fallback encoding
|
||
|
*/
|
||
|
void Get(nsACString& aFallback);
|
||
|
|
||
|
nsCString mFallback;
|
||
|
};
|
||
|
|
||
|
} // namespace dom
|
||
|
} // namespace mozilla
|
||
|
|
||
|
#endif // mozilla_dom_FallbackEncoding_h_
|
||
|
|