зеркало из https://github.com/mozilla/pjs.git
187 строки
7.3 KiB
C++
187 строки
7.3 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsIParserService_h__
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#define nsIParserService_h__
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#include "nsISupports.h"
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#include "nsStringGlue.h"
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#include "nsHTMLTags.h"
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#include "nsIElementObserver.h"
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class nsIParser;
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class nsIParserNode;
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#define NS_PARSERSERVICE_CONTRACTID "@mozilla.org/parser/parser-service;1"
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// {90a92e37-abd6-441b-9b39-4064d98e1ede}
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#define NS_IPARSERSERVICE_IID \
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{ 0x90a92e37, 0xabd6, 0x441b, { 0x9b, 0x39, 0x40, 0x64, 0xd9, 0x8e, 0x1e, 0xde } }
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// {78081E70-AD53-11d5-8498-0010A4E0C706}
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#define NS_IOBSERVERENTRY_IID \
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{ 0x78081e70, 0xad53, 0x11d5, { 0x84, 0x98, 0x00, 0x10, 0xa4, 0xe0, 0xc7, 0x06 } }
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class nsIObserverEntry : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IOBSERVERENTRY_IID)
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NS_IMETHOD Notify(nsIParserNode* aNode,
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nsIParser* aParser,
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nsISupports* aWebShell,
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const PRUint32 aFlags) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIObserverEntry, NS_IOBSERVERENTRY_IID)
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class nsIParserService : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(NS_IPARSERSERVICE_IID)
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/**
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* Looks up the nsHTMLTag enum value corresponding to the tag in aAtom. The
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* lookup happens case insensitively.
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*
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* @param aAtom The tag to look up.
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*
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* @return PRInt32 The nsHTMLTag enum value corresponding to the tag in aAtom
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* or eHTMLTag_userdefined if the tag does not correspond to
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* any of the tag nsHTMLTag enum values.
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*/
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virtual PRInt32 HTMLAtomTagToId(nsIAtom* aAtom) const = 0;
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/**
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* Looks up the nsHTMLTag enum value corresponding to the tag in aAtom.
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*
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* @param aAtom The tag to look up.
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*
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* @return PRInt32 The nsHTMLTag enum value corresponding to the tag in aAtom
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* or eHTMLTag_userdefined if the tag does not correspond to
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* any of the tag nsHTMLTag enum values.
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*/
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virtual PRInt32 HTMLCaseSensitiveAtomTagToId(nsIAtom* aAtom) const = 0;
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/**
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* Looks up the nsHTMLTag enum value corresponding to the tag in aTag. The
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* lookup happens case insensitively.
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*
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* @param aTag The tag to look up.
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*
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* @return PRInt32 The nsHTMLTag enum value corresponding to the tag in aTag
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* or eHTMLTag_userdefined if the tag does not correspond to
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* any of the tag nsHTMLTag enum values.
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*/
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virtual PRInt32 HTMLStringTagToId(const nsAString& aTag) const = 0;
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/**
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* Gets the tag corresponding to the nsHTMLTag enum value in aId. The
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* returned tag will be in lowercase.
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*
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* @param aId The nsHTMLTag enum value to get the tag for.
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*
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* @return const PRUnichar* The tag corresponding to the nsHTMLTag enum
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* value, or nsnull if the enum value doesn't
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* correspond to a tag (eHTMLTag_unknown,
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* eHTMLTag_userdefined, eHTMLTag_text, ...).
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*/
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virtual const PRUnichar *HTMLIdToStringTag(PRInt32 aId) const = 0;
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/**
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* Gets the tag corresponding to the nsHTMLTag enum value in aId. The
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* returned tag will be in lowercase.
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*
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* @param aId The nsHTMLTag enum value to get the tag for.
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*
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* @return nsIAtom* The tag corresponding to the nsHTMLTag enum value, or
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* nsnull if the enum value doesn't correspond to a tag
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* (eHTMLTag_unknown, eHTMLTag_userdefined, eHTMLTag_text,
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* ...).
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*/
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virtual nsIAtom *HTMLIdToAtomTag(PRInt32 aId) const = 0;
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NS_IMETHOD HTMLConvertEntityToUnicode(const nsAString& aEntity,
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PRInt32* aUnicode) const = 0;
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NS_IMETHOD HTMLConvertUnicodeToEntity(PRInt32 aUnicode,
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nsCString& aEntity) const = 0;
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NS_IMETHOD IsContainer(PRInt32 aId, PRBool& aIsContainer) const = 0;
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NS_IMETHOD IsBlock(PRInt32 aId, PRBool& aIsBlock) const = 0;
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// Observer mechanism
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NS_IMETHOD RegisterObserver(nsIElementObserver* aObserver,
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const nsAString& aTopic,
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const eHTMLTags* aTags = nsnull) = 0;
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NS_IMETHOD UnregisterObserver(nsIElementObserver* aObserver,
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const nsAString& aTopic) = 0;
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NS_IMETHOD GetTopicObservers(const nsAString& aTopic,
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nsIObserverEntry** aEntry) = 0;
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virtual nsresult CheckQName(const nsAString& aQName,
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PRBool aNamespaceAware,
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const PRUnichar** aColon) = 0;
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virtual PRBool IsXMLLetter(PRUnichar aChar) = 0;
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virtual PRBool IsXMLNCNameChar(PRUnichar aChar) = 0;
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/**
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* Decodes an entity into a UTF-16 character. If a ; is found between aStart
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* and aEnd it will try to decode the entity and set aNext to point to the
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* character after the ;. The resulting UTF-16 character will be written in
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* aResult, so if the entity is a valid numeric entity there needs to be
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* space for at least two PRUnichars.
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*
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* @param aStart pointer to the character after the ampersand.
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* @param aEnd pointer to the position after the last character of the
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* string.
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* @param aNext [out] will be set to the character after the ; or null if
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* the decoding was unsuccessful.
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* @param aResult the buffer to write the resulting UTF-16 character in.
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* @return the number of PRUnichars written to aResult.
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*/
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virtual PRUint32 DecodeEntity(const PRUnichar* aStart, const PRUnichar* aEnd,
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const PRUnichar** aNext,
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PRUnichar* aResult) = 0;
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(nsIParserService, NS_IPARSERSERVICE_IID)
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#endif // nsIParserService_h__
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