/usr/include/firefox/nsCSSParser.h is in firefox-dev 11.0+build1-0ubuntu4.
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/* ***** 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.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 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 ***** */
/* parsing of CSS stylesheets, based on a token stream from the CSS scanner */
#ifndef nsCSSParser_h___
#define nsCSSParser_h___
#include "nsAString.h"
#include "nsCSSProperty.h"
#include "nsColor.h"
#include "nsCOMArray.h"
#include "nsCOMPtr.h"
#include "nsTArray.h"
class nsCSSStyleSheet;
class nsIPrincipal;
class nsIURI;
struct nsCSSSelectorList;
class nsMediaList;
class nsCSSKeyframeRule;
namespace mozilla {
namespace css {
class Rule;
class Declaration;
class Loader;
class StyleRule;
}
}
// Interface to the css parser.
class NS_STACK_CLASS nsCSSParser {
public:
nsCSSParser(mozilla::css::Loader* aLoader = nsnull,
nsCSSStyleSheet* aSheet = nsnull);
~nsCSSParser();
static void Shutdown();
private:
// not to be implemented
nsCSSParser(nsCSSParser const&);
nsCSSParser& operator=(nsCSSParser const&);
public:
// Set a style sheet for the parser to fill in. The style sheet must
// implement the nsCSSStyleSheet interface. Null can be passed in to clear
// out an existing stylesheet reference.
nsresult SetStyleSheet(nsCSSStyleSheet* aSheet);
// Set whether or not to emulate Nav quirks
nsresult SetQuirkMode(bool aQuirkMode);
// Set whether or not we are in an SVG element
nsresult SetSVGMode(bool aSVGMode);
// Set loader to use for child sheets
nsresult SetChildLoader(mozilla::css::Loader* aChildLoader);
/**
* Parse aInput into the stylesheet that was previously set by calling
* SetStyleSheet. Calling this method without calling SetStyleSheet first is
* an error.
*
* @param aInput the data to parse
* @param aSheetURL the URI to use as the sheet URI (for error reporting).
* This must match the URI of the sheet passed to
* SetStyleSheet.
* @param aBaseURI the URI to use for relative URI resolution
* @param aSheetPrincipal the principal of the stylesheet. This must match
* the principal of the sheet passed to SetStyleSheet.
* @param aLineNumber the line number of the first line of the sheet.
* @param aAllowUnsafeRules see aEnableUnsafeRules in
* mozilla::css::Loader::LoadSheetSync
*/
nsresult ParseSheet(const nsAString& aInput,
nsIURI* aSheetURL,
nsIURI* aBaseURI,
nsIPrincipal* aSheetPrincipal,
PRUint32 aLineNumber,
bool aAllowUnsafeRules);
// Parse HTML style attribute or its equivalent in other markup
// languages. aBaseURL is the base url to use for relative links in
// the declaration.
nsresult ParseStyleAttribute(const nsAString& aAttributeValue,
nsIURI* aDocURL,
nsIURI* aBaseURL,
nsIPrincipal* aNodePrincipal,
mozilla::css::StyleRule** aResult);
// Parse the body of a declaration block. Very similar to
// ParseStyleAttribute, but used under different circumstances.
// The contents of aDeclaration will be erased and replaced with the
// results of parsing; aChanged will be set true if the aDeclaration
// argument was modified.
nsresult ParseDeclarations(const nsAString& aBuffer,
nsIURI* aSheetURL,
nsIURI* aBaseURL,
nsIPrincipal* aSheetPrincipal,
mozilla::css::Declaration* aDeclaration,
bool* aChanged);
nsresult ParseRule(const nsAString& aRule,
nsIURI* aSheetURL,
nsIURI* aBaseURL,
nsIPrincipal* aSheetPrincipal,
nsCOMArray<mozilla::css::Rule>& aResult);
nsresult ParseProperty(const nsCSSProperty aPropID,
const nsAString& aPropValue,
nsIURI* aSheetURL,
nsIURI* aBaseURL,
nsIPrincipal* aSheetPrincipal,
mozilla::css::Declaration* aDeclaration,
bool* aChanged,
bool aIsImportant);
/**
* Parse aBuffer into a media list |aMediaList|, which must be
* non-null, replacing its current contents. If aHTMLMode is true,
* parse according to HTML rules, with commas as the most important
* delimiter. Otherwise, parse according to CSS rules, with
* parentheses and strings more important than commas. |aURL| and
* |aLineNumber| are used for error reporting.
*/
nsresult ParseMediaList(const nsSubstring& aBuffer,
nsIURI* aURL,
PRUint32 aLineNumber,
nsMediaList* aMediaList,
bool aHTMLMode);
/**
* Parse aBuffer into a nscolor |aColor|. The alpha component of the
* resulting aColor may vary due to rgba()/hsla(). Will return
* NS_ERROR_FAILURE if aBuffer is not a valid CSS color specification.
*
* Will also currently return NS_ERROR_FAILURE if it is not
* self-contained (i.e. doesn't reference any external style state,
* such as "initial" or "inherit").
*/
nsresult ParseColorString(const nsSubstring& aBuffer,
nsIURI* aURL,
PRUint32 aLineNumber,
nscolor* aColor);
/**
* Parse aBuffer into a selector list. On success, caller must
* delete *aSelectorList when done with it.
*/
nsresult ParseSelectorString(const nsSubstring& aSelectorString,
nsIURI* aURL,
PRUint32 aLineNumber,
nsCSSSelectorList** aSelectorList);
/*
* Parse a keyframe rule (which goes inside an @keyframes rule).
* Return it if the parse was successful.
*/
already_AddRefed<nsCSSKeyframeRule>
ParseKeyframeRule(const nsSubstring& aBuffer,
nsIURI* aURL,
PRUint32 aLineNumber);
/*
* Parse a selector list for a keyframe rule. Return whether
* the parse succeeded.
*/
bool ParseKeyframeSelectorString(const nsSubstring& aSelectorString,
nsIURI* aURL,
PRUint32 aLineNumber,
InfallibleTArray<float>& aSelectorList);
protected:
// This is a CSSParserImpl*, but if we expose that type name in this
// header, we can't put the type definition (in nsCSSParser.cpp) in
// the anonymous namespace.
void* mImpl;
};
#endif /* nsCSSParser_h___ */
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