gecko-dev/layout/style/nsICSSParser.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape 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/NPL/
*
* 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.org code.
*
* 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):
*
*
* 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
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* ***** END LICENSE BLOCK ***** */
#ifndef nsCSS1Parser_h___
#define nsCSS1Parser_h___
#include "nsISupports.h"
#include "nsAWritableString.h"
class nsIStyleRule;
class nsICSSStyleSheet;
class nsIUnicharInputStream;
class nsIURI;
class nsCSSDeclaration;
class nsICSSLoader;
class nsICSSRule;
class nsISupportsArray;
#define NS_ICSS_PARSER_IID \
{ 0xcc9c0610, 0x968c, 0x11d1, \
{0x93, 0x23, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32} }
// Rule processing function
typedef void (*PR_CALLBACK RuleAppendFunc) (nsICSSRule* aRule, void* aData);
// Interface to the css parser.
class nsICSSParser : public nsISupports {
public:
static const nsIID& GetIID() { static nsIID iid = NS_ICSS_PARSER_IID; return iid; }
// Return a mask of the various css standards that this parser
// supports.
NS_IMETHOD GetInfoMask(PRUint32& aResult) = 0;
// Set a style sheet for the parser to fill in. The style sheet must
// implement the nsICSSStyleSheet interface
NS_IMETHOD SetStyleSheet(nsICSSStyleSheet* aSheet) = 0;
// Set whether or not tags & classes are case sensitive or uppercased
NS_IMETHOD SetCaseSensitive(PRBool aCaseSensitive) = 0;
// Set whether or not to emulate Nav quirks
NS_IMETHOD SetQuirkMode(PRBool aQuirkMode) = 0;
// Set loader to use for child sheets
NS_IMETHOD SetChildLoader(nsICSSLoader* aChildLoader) = 0;
NS_IMETHOD Parse(nsIUnicharInputStream* aInput,
nsIURI* aInputURL,
nsICSSStyleSheet*& aResult) = 0;
// Parse HTML style attribute or its equivalent in other markup
// languages. aBaseURL is the base url to use for relative links in
// the declaration.
NS_IMETHOD ParseStyleAttribute(const nsAReadableString& aAttributeValue,
nsIURI* aBaseURL,
nsIStyleRule** aResult) = 0;
NS_IMETHOD ParseAndAppendDeclaration(const nsAReadableString& aBuffer,
nsIURI* aBaseURL,
nsCSSDeclaration* aDeclaration,
PRBool aParseOnlyOneDecl,
PRInt32* aHint) = 0;
NS_IMETHOD ParseRule(nsAReadableString& aRule,
nsIURI* aBaseURL,
nsISupportsArray** aResult) = 0;
NS_IMETHOD ParseProperty(const nsAReadableString& aPropName,
const nsAReadableString& aPropValue,
nsIURI* aBaseURL,
nsCSSDeclaration* aDeclaration,
PRInt32* aHint) = 0;
// Charset management method:
// Set the charset before calling any of the Parse emthods if you want the
// charset to be anything other than the default
// sets the out-param to the current charset, as set by SetCharset
NS_IMETHOD GetCharset(/*out*/nsAWritableString &aCharsetDest) const = 0;
// SetCharset expects the charset to be the preferred charset
// and it just records the string exactly as passed in (no alias resolution)
NS_IMETHOD SetCharset(/*in*/ const nsAReadableString &aCharsetSrc) = 0;
};
// Values or'd in the GetInfoMask; other bits are reserved
#define NS_CSS_GETINFO_CSS1 ((PRUint32) 0x00000001L)
#define NS_CSS_GETINFO_CSSP ((PRUint32) 0x00000002L)
#define NS_CSS_GETINFO_CSS2 ((PRUint32) 0x00000004L)
#define NS_CSS_GETINFO_CSS_FROSTING ((PRUint32) 0x00000008L)
// Success code that can be returned from ParseAndAppendDeclaration()
#define NS_CSS_PARSER_DROP_DECLARATION \
NS_ERROR_GENERATE_SUCCESS(NS_ERROR_MODULE_LAYOUT,1)
extern NS_EXPORT nsresult
NS_NewCSSParser(nsICSSParser** aInstancePtrResult);
#endif /* nsCSS1Parser_h___ */