org.w3c.css.sac

Interface DocumentHandler

Known Implementing Classes:
HandlerBase, ParseTest

public interface DocumentHandler

This is the main interface that most CSS applications implement: if the application needs to be informed of basic parsing events, it implements this interface and registers an instance with the CSS parser using the setCSSHandler method.
Version:
$Revision: 1.4 $
Author:
Philippe Le Hegaret

Method Summary

void
comment(String text)
Receive notification of a comment.
void
endDocument(InputSource source)
Receive notification of the end of a document.
void
endFontFace()
Receive notification of the end of a font face statement.
void
endMedia(SACMediaList media)
Receive notification of the end of a media statement.
void
endPage(String name, String pseudo_page)
Receive notification of the end of a media statement.
void
endSelector(SelectorList selectors)
Receive notification of the end of a rule statement.
void
ignorableAtRule(String atRule)
Receive notification of an unknown rule t-rule not supported by this parser.
void
importStyle(String uri, SACMediaList media, String defaultNamespaceURI)
Receive notification of a import statement in the style sheet.
void
namespaceDeclaration(String prefix, String uri)
Receive notification of an unknown rule t-rule not supported by this parser.
void
property(String name, LexicalUnit value, boolean important)
Receive notification of a declaration.
void
startDocument(InputSource source)
Receive notification of the beginning of a style sheet.
void
startFontFace()
Receive notification of the beginning of a font face statement.
void
startMedia(SACMediaList media)
Receive notification of the beginning of a media statement.
void
startPage(String name, String pseudo_page)
Receive notification of the beginning of a page statement.
void
startSelector(SelectorList selectors)
Receive notification of the beginning of a rule statement.

Method Details

comment

public void comment(String text)
            throws CSSException
Receive notification of a comment. If the comment appears in a declaration (e.g. color: /* comment * / blue;), the parser notifies the comment before the declaration.
Parameters:
text - The comment.
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

endDocument

public void endDocument(InputSource source)
            throws CSSException
Receive notification of the end of a document. The CSS parser will invoke this method only once, and it will be the last method invoked during the parse. The parser shall not invoke this method until it has either abandoned parsing (because of an unrecoverable error) or reached the end of input.
Parameters:
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

endFontFace

public void endFontFace()
            throws CSSException
Receive notification of the end of a font face statement.
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

endMedia

public void endMedia(SACMediaList media)
            throws CSSException
Receive notification of the end of a media statement.
Parameters:
media - The intended destination media for style information.
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

endPage

public void endPage(String name,
                    String pseudo_page)
            throws CSSException
Receive notification of the end of a media statement.
Parameters:
pseudo_page - the pseudo page (if any, null otherwise)
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

endSelector

public void endSelector(SelectorList selectors)
            throws CSSException
Receive notification of the end of a rule statement.
Parameters:
selectors - All intended selectors for all declarations.
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

ignorableAtRule

public void ignorableAtRule(String atRule)
            throws CSSException
Receive notification of an unknown rule t-rule not supported by this parser.
Parameters:
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

importStyle

public void importStyle(String uri,
                        SACMediaList media,
                        String defaultNamespaceURI)
            throws CSSException
Receive notification of a import statement in the style sheet.
Parameters:
uri - The URI of the imported style sheet.
media - The intended destination media for style information.
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

namespaceDeclaration

public void namespaceDeclaration(String prefix,
                                 String uri)
            throws CSSException
Receive notification of an unknown rule t-rule not supported by this parser.
Parameters:
prefix - null if this is the default namespace
uri - The URI for this namespace.
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

property

public void property(String name,
                     LexicalUnit value,
                     boolean important)
            throws CSSException
Receive notification of a declaration.
Parameters:
name - the name of the property.
value - the value of the property. All whitespace are stripped.
important - is this property important ?
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

startDocument

public void startDocument(InputSource source)
            throws CSSException
Receive notification of the beginning of a style sheet. The CSS parser will invoke this method only once, before any other methods in this interface.
Parameters:
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

startFontFace

public void startFontFace()
            throws CSSException
Receive notification of the beginning of a font face statement. The Parser will invoke this method at the beginning of every font face statement in the style sheet. there will be a corresponding endFontFace() event for every startFontFace() event.
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

startMedia

public void startMedia(SACMediaList media)
            throws CSSException
Receive notification of the beginning of a media statement. The Parser will invoke this method at the beginning of every media statement in the style sheet. there will be a corresponding endMedia() event for every startElement() event.
Parameters:
media - The intended destination media for style information.
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

startPage

public void startPage(String name,
                      String pseudo_page)
            throws CSSException
Receive notification of the beginning of a page statement. The Parser will invoke this method at the beginning of every page statement in the style sheet. there will be a corresponding endPage() event for every startPage() event.
Parameters:
name - the name of the page (if any, null otherwise)
pseudo_page - the pseudo page (if any, null otherwise)
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.

startSelector

public void startSelector(SelectorList selectors)
            throws CSSException
Receive notification of the beginning of a rule statement.
Parameters:
selectors - All intended selectors for all declarations.
Throws:
CSSException - Any CSS exception, possibly wrapping another exception.