/usr/include/dom/css_rule.h is in kdelibs5-dev 4:4.8.2-0ubuntu1.
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* This file is part of the DOM implementation for KDE.
*
* Copyright 1999 Lars Knoll (knoll@kde.org)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* This file includes excerpts from the Document Object Model (DOM)
* Level 2 Specification (Candidate Recommendation)
* http://www.w3.org/TR/2000/CR-DOM-Level-2-20000510/
* Copyright © 2000 W3C® (MIT, INRIA, Keio), All Rights Reserved.
*
*/
#ifndef _CSS_css_rule_h_
#define _CSS_css_rule_h_
#include <dom/dom_string.h>
#include <dom/css_stylesheet.h>
#include <dom/css_value.h>
namespace DOM {
class CSSRuleImpl;
/**
* The \c CSSRule interface is the abstract base interface
* for any type of CSS <a
* href="http://www.w3.org/TR/REC-CSS2/syndata.html#q5"> statement
* </a> . This includes both <a
* href="http://www.w3.org/TR/REC-CSS2/syndata.html#q8"> rule sets
* </a> and <a
* href="http://www.w3.org/TR/REC-CSS2/syndata.html#at-rules">
* at-rules </a> . An implementation is expected to preserve all rules
* specified in a CSS style sheet, even if it is not recognized.
* Unrecognized rules are represented using the \c CSSUnknownRule
* interface.
*
*/
class KHTML_EXPORT CSSRule
{
public:
CSSRule();
CSSRule(const CSSRule &other);
CSSRule(CSSRuleImpl *impl);
public:
CSSRule & operator = (const CSSRule &other);
~CSSRule();
/**
* An integer indicating which type of rule this is.
*
*/
enum RuleType {
UNKNOWN_RULE = 0,
STYLE_RULE = 1,
CHARSET_RULE = 2,
IMPORT_RULE = 3,
MEDIA_RULE = 4,
FONT_FACE_RULE = 5,
PAGE_RULE = 6,
NAMESPACE_RULE = 10, ///< CSSOM, @since 4.6.0
QUIRKS_RULE = 100 // KHTML CSS Extension
};
/**
* The type of the rule, as defined above. The expectation is that
* binding-specific casting methods can be used to cast down from
* an instance of the \c CSSRule interface to the
* specific derived interface implied by the \c type .
*
*/
unsigned short type() const;
/**
* The parsable textual representation of the rule. This reflects
* the current state of the rule and not its initial value.
*
*/
DOM::DOMString cssText() const;
/**
* see cssText
* @exception DOMException
*
* HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted
* at this point in the style sheet.
*
* NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is
* readonly.
*
* @exception CSSException
* SYNTAX_ERR: Raised if the specified CSS string value has a
* syntax error and is unparsable.
*
* INVALID_MODIFICATION_ERR: Raised if the specified CSS string value
* represents a different type of rule than the current one.
*/
void setCssText( const DOM::DOMString & );
/**
* The style sheet that contains this rule.
*
*/
CSSStyleSheet parentStyleSheet() const;
/**
* If this rule is contained inside another rule (e.g. a style
* rule inside an \@media block), this is the containing rule. If
* this rule is not nested inside any other rules, this returns
* \c null .
*
*/
CSSRule parentRule() const;
/**
* @internal
* not part of the DOM
*/
CSSRuleImpl *handle() const;
bool isNull() const;
protected:
CSSRuleImpl *impl;
void assignOther( const CSSRule &other, RuleType thisType );
};
class CSSCharsetRuleImpl;
/**
* The \c CSSCharsetRule interface a <a href=""> \@charset
* rule </a> in a CSS style sheet. A \c \@charset rule can
* be used to define the encoding of the style sheet.
*
*/
class KHTML_EXPORT CSSCharsetRule : public CSSRule
{
public:
CSSCharsetRule();
CSSCharsetRule(const CSSCharsetRule &other);
CSSCharsetRule(const CSSRule &other);
CSSCharsetRule(CSSCharsetRuleImpl *impl);
public:
CSSCharsetRule & operator = (const CSSCharsetRule &other);
CSSCharsetRule & operator = (const CSSRule &other);
~CSSCharsetRule();
/**
* The encoding information used in this \c \@charset
* rule.
*
*/
DOM::DOMString encoding() const;
/**
* see encoding
* @exception CSSException
* SYNTAX_ERR: Raised if the specified encoding value has a syntax
* error and is unparsable.
*
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if this encoding rule is
* readonly.
*
*/
void setEncoding( const DOM::DOMString & );
};
class CSSFontFaceRuleImpl;
/**
* The \c CSSFontFaceRule interface represents a <a
* href="http://www.w3.org/TR/REC-CSS2/fonts.html#font-descriptions">
* \c \@font-face rule </a> in a CSS style sheet. The \c \@font-face
* rule is used to hold a set of font descriptions.
*
*/
class KHTML_EXPORT CSSFontFaceRule : public CSSRule
{
public:
CSSFontFaceRule();
CSSFontFaceRule(const CSSFontFaceRule &other);
CSSFontFaceRule(const CSSRule &other);
CSSFontFaceRule(CSSFontFaceRuleImpl *impl);
public:
CSSFontFaceRule & operator = (const CSSFontFaceRule &other);
CSSFontFaceRule & operator = (const CSSRule &other);
~CSSFontFaceRule();
/**
* The <a href="http://www.w3.org/TR/REC-CSS2/syndata.html#q8">
* declaration-block </a> of this rule.
*
*/
CSSStyleDeclaration style() const;
};
class CSSImportRuleImpl;
/**
* The \c CSSImportRule interface represents a <a
* href="http://www.w3.org/TR/REC-CSS2/cascade.html#at-import">
* \c \@import rule </a> within a CSS style sheet. The \c \@import
* rule is used to import style rules from other style sheets.
*
*/
class KHTML_EXPORT CSSImportRule : public CSSRule
{
public:
CSSImportRule();
CSSImportRule(const CSSImportRule &other);
CSSImportRule(const CSSRule &other);
CSSImportRule(CSSImportRuleImpl *impl);
public:
CSSImportRule & operator = (const CSSImportRule &other);
CSSImportRule & operator = (const CSSRule &other);
~CSSImportRule();
/**
* The location of the style sheet to be imported. The attribute
* will not contain the \c "url(...)" specifier around
* the URI.
*
*/
DOM::DOMString href() const;
/**
* A list of media types for which this style sheet may be used.
*
*/
MediaList media() const;
/**
* The style sheet referred to by this rule, if it has been
* loaded. The value of this attribute is null if the style sheet
* has not yet been loaded or if it will not be loaded (e.g. if
* the style sheet is for a media type not supported by the user
* agent).
*
*/
CSSStyleSheet styleSheet() const;
};
class CSSMediaRuleImpl;
/**
* The \c CSSMediaRule interface represents a <a
* href="http://www.w3.org/TR/REC-CSS2/media.html#at-media-rule">
* \@media rule </a> in a CSS style sheet. A \c \@media rule
* can be used to delimit style rules for specific media types.
*
*/
class KHTML_EXPORT CSSMediaRule : public CSSRule
{
public:
CSSMediaRule();
CSSMediaRule(const CSSMediaRule &other);
CSSMediaRule(const CSSRule &other);
CSSMediaRule(CSSMediaRuleImpl *impl);
public:
CSSMediaRule & operator = (const CSSMediaRule &other);
CSSMediaRule & operator = (const CSSRule &other);
~CSSMediaRule();
/**
* A list of <a
* href="http://www.w3.org/TR/REC-CSS2/media.html#media-types">
* media types </a> for this rule.
*
*/
MediaList media() const;
/**
* A list of all CSS rules contained within the media block.
*
*/
CSSRuleList cssRules() const;
/**
* Used to insert a new rule into the media block.
*
* @param rule The parsable text representing the rule. For rule
* sets this contains both the selector and the style declaration.
* For at-rules, this specifies both the at-identifier and the
* rule content.
*
* @param index The index within the media block's rule collection
* of the rule before which to insert the specified rule. If the
* specified index is equal to the length of the media blocks's
* rule collection, the rule will be added to the end of the media
* block.
*
* @return The index within the media block's rule collection of
* the newly inserted rule.
*
* \exception DOMException
* HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at
* the specified index. e.g. if an \c \@import rule is
* inserted after a standard rule set or other at-rule.
*
* INDEX_SIZE_ERR: Raised if the specified index is not a valid
* insertion point.
*
* NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is
* readonly.
*
* \exception CSSException
* SYNTAX_ERR: Raised if the specified rule has a syntax error
* and is unparsable.
*
*/
unsigned long insertRule ( const DOM::DOMString &rule, unsigned long index );
/**
* Used to delete a rule from the media block.
*
* @param index The index within the media block's rule collection
* of the rule to remove.
*
* @return
*
* \exception DOMException
* INDEX_SIZE_ERR: Raised if the specified index does not
* correspond to a rule in the media rule list.
*
* NO_MODIFICATION_ALLOWED_ERR: Raised if this media rule is
* readonly.
*
*/
void deleteRule ( unsigned long index );
};
class CSSPageRuleImpl;
/**
* The \c CSSPageRule interface represents a <a
* href="http://www.w3.org/TR/REC-CSS2/page.html#page-box"> page rule
* </a> within a CSS style sheet. The \c @page rule is
* used to specify the dimensions, orientation, margins, etc. of a
* page box for paged media.
*
*/
class KHTML_EXPORT CSSPageRule : public CSSRule
{
public:
CSSPageRule();
CSSPageRule(const CSSPageRule &other);
CSSPageRule(const CSSRule &other);
CSSPageRule(CSSPageRuleImpl *impl);
public:
CSSPageRule & operator = (const CSSPageRule &other);
CSSPageRule & operator = (const CSSRule &other);
~CSSPageRule();
/**
* The parsable textual representation of the page selector for
* the rule.
*
*/
DOM::DOMString selectorText() const;
/**
* see selectorText
* @exception CSSException
* SYNTAX_ERR: Raised if the specified CSS string value has a
* syntax error and is unparsable.
*
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is
* readonly.
*
*/
void setSelectorText( const DOM::DOMString & );
/**
* The <a href="http://www.w3.org/TR/REC-CSS2/syndata.html#q8">
* declaration-block </a> of this rule.
*
*/
CSSStyleDeclaration style() const;
};
class CSSStyleRuleImpl;
/**
* The \c CSSStyleRule interface represents a single <a
* href="http://www.w3.org/TR/REC-CSS2/syndata.html#q8"> rule set </a>
* in a CSS style sheet.
*
*/
class KHTML_EXPORT CSSStyleRule : public CSSRule
{
public:
CSSStyleRule();
CSSStyleRule(const CSSStyleRule &other);
CSSStyleRule(const CSSRule &other);
CSSStyleRule(CSSStyleRuleImpl *impl);
public:
CSSStyleRule & operator = (const CSSStyleRule &other);
CSSStyleRule & operator = (const CSSRule &other);
~CSSStyleRule();
/**
* The textual representation of the <a
* href="http://www.w3.org/TR/REC-CSS2/selector.html"> selector
* </a> for the rule set. The implementation may have stripped out
* insignificant whitespace while parsing the selector.
*
*/
DOM::DOMString selectorText() const;
/**
* see selectorText
* @exception CSSException
* SYNTAX_ERR: Raised if the specified CSS string value has a
* syntax error and is unparsable.
*
* @exception DOMException
* NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is
* readonly.
*
*/
void setSelectorText( const DOM::DOMString & );
/**
* The <a href="http://www.w3.org/TR/REC-CSS2/syndata.html#q8">
* declaration-block </a> of this rule set.
*
*/
CSSStyleDeclaration style() const;
};
class CSSNamespaceRuleImpl;
/**
* The \c CSSNamespaceRule interface represents an @namespace rule
* @since 4.6.0
*
*/
class KHTML_EXPORT CSSNamespaceRule : public CSSRule
{
public:
CSSNamespaceRule();
CSSNamespaceRule(const CSSNamespaceRule &other);
CSSNamespaceRule(const CSSRule &other);
CSSNamespaceRule(CSSNamespaceRuleImpl *impl);
DOMString namespaceURI() const;
DOMString prefix() const;
public:
CSSNamespaceRule & operator = (const CSSNamespaceRule &other);
CSSNamespaceRule & operator = (const CSSRule &other);
~CSSNamespaceRule();
};
class CSSUnknownRuleImpl;
/**
* The \c CSSUnkownRule interface represents an at-rule
* not supported by this user agent.
*
*/
class KHTML_EXPORT CSSUnknownRule : public CSSRule
{
public:
CSSUnknownRule();
CSSUnknownRule(const CSSUnknownRule &other);
CSSUnknownRule(const CSSRule &other);
CSSUnknownRule(CSSUnknownRuleImpl *impl);
public:
CSSUnknownRule & operator = (const CSSUnknownRule &other);
CSSUnknownRule & operator = (const CSSRule &other);
~CSSUnknownRule();
};
class CSSRuleListImpl;
class StyleListImpl;
/**
* The \c CSSRuleList interface provides the abstraction
* of an ordered collection of CSS rules.
*
*/
class KHTML_EXPORT CSSRuleList
{
public:
CSSRuleList();
CSSRuleList(const CSSRuleList &other);
CSSRuleList(CSSRuleListImpl *i);
CSSRuleList(StyleListImpl *i);
public:
CSSRuleList & operator = (const CSSRuleList &other);
~CSSRuleList();
/**
* The number of \c CSSRule s in the list. The range
* of valid child rule indices is \c 0 to
* \c length-1 inclusive.
*
*/
unsigned long length() const;
/**
* Used to retrieve a CSS rule by ordinal index. The order in this
* collection represents the order of the rules in the CSS style
* sheet.
*
* @param index Index into the collection
*
* @return The style rule at the \c index position in
* the \c CSSRuleList , or \c null if that
* is not a valid index.
*
*/
CSSRule item ( unsigned long index );
/**
* @internal
* not part of the DOM
*/
CSSRuleListImpl *handle() const;
bool isNull() const;
protected:
// we just need a pointer to an implementation here.
CSSRuleListImpl *impl;
};
} // namespace
#endif
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