Adding upstream version 43.9.upstream/43.9upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 298 insertions, 0 deletions

diff --git a/src/st/croco/cr-doc-handler.h b/src/st/croco/cr-doc-handler.h
new file mode 100644
index 0000000..d12673f
--- /dev/null
+++ b/src/st/croco/cr-doc-handler.h
@@ -0,0 +1,298 @@
+/* -*- Mode: C; indent-tabs-mode: nil; c-basic-offset: 8 -*- */
+
+/*
+ * This file is part of The Croco Library
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2.1 of the GNU Lesser General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ *
+ * See the COPYRIGHTS file for copyright information.
+ */
+
+#ifndef __CR_DOC_HANDLER_H__
+#define __CR_DOC_HANDLER_H__
+
+/**
+ *@file
+ *The declaration of the #CRDocumentHandler class.
+ *This class is actually the parsing events handler.
+ */
+
+#include <glib.h>
+#include "cr-utils.h"
+#include "cr-input.h"
+#include "cr-stylesheet.h"
+
+G_BEGIN_DECLS
+
+
+typedef struct _CRDocHandler CRDocHandler ;
+
+struct _CRDocHandlerPriv ;
+typedef struct _CRDocHandlerPriv CRDocHandlerPriv ;
+
+
+/**
+ *The SAC document handler.
+ *An instance of this class is to
+ *be passed to a parser. Then, during the parsing
+ *the parser calls the convenient function pointer
+ *whenever a particular event (a css construction) occurs.
+ */
+struct _CRDocHandler
+{
+	CRDocHandlerPriv *priv ;
+
+	/**
+	 *This pointer is to be used by the application for
+	 *it custom needs. It is there to extend the doc handler.
+	 */
+	gpointer app_data ;
+
+	/**
+	 *Is called at the beginning of the parsing of the document.
+	 *@param a_this a pointer to the current instance of
+	 *#CRDocHandler.
+	 */
+	void (*start_document) (CRDocHandler *a_this) ;
+
+	/**
+	 *Is called to notify the end of the parsing of the document.
+	 *@param a_this a pointer to the current instance of
+	 *#CRDocHandler.
+	 */
+	void (*end_document) (CRDocHandler *a_this) ;
+
+	/**
+	 *Is called to notify an at charset rule.
+	 *@param a_this the document handler.
+	 *@param a_charset the declared charset.
+	 */
+	void (*charset) (CRDocHandler *a_this, 
+			 CRString *a_charset,
+			 CRParsingLocation *a_charset_sym_location) ;
+
+	/**
+	 *Is called to notify an import statement in 
+	 *the stylesheet.
+	 *@param a_this the current instance of #CRDocHandler.
+	 *@param a_media_list a doubly linked list of GString objects.
+	 *Each GString object contains a string which is the
+	 *destination media for style information.
+	 *@param a_uri the uri of the imported style sheet.
+	 *@param a_uri_default_ns the default namespace of URI
+	 *@param a_location the parsing location of the '\@import' 
+	 *keyword.
+	 *of the imported style sheet.
+	 */
+	void (*import_style) (CRDocHandler *a_this,
+			      GList *a_media_list,
+			      CRString *a_uri,
+			      CRString *a_uri_default_ns,
+			      CRParsingLocation *a_location) ;
+
+	void (*import_style_result) (CRDocHandler *a_this,
+				     GList *a_media_list,
+				     CRString *a_uri,
+				     CRString *a_uri_default_ns,
+				     CRStyleSheet *a_sheet) ;
+
+	/**
+	 *Is called to notify a namespace declaration.
+	 *Not used yet.
+	 *@param a_this the current instance of #CRDocHandler.
+	 *@param a_prefix the prefix of the namespace.
+	 *@param a_uri the uri of the namespace.
+	 *@param a_location the location of the "@namespace" keyword.
+	 */
+	void (*namespace_declaration) (CRDocHandler *a_this,
+				       CRString *a_prefix,
+				       CRString *a_uri,
+				       CRParsingLocation *a_location) ;
+		
+	/**
+	 *Is called to notify a comment.
+	 *@param a_this a pointer to the current instance
+	 *of #CRDocHandler.
+	 *@param a_comment the comment.
+	 */
+	void (*comment) (CRDocHandler *a_this,
+			 CRString *a_comment) ;
+
+	/**
+	 *Is called to notify the beginning of a rule
+	 *statement.
+	 *@param a_this the current instance of #CRDocHandler.
+	 *@param a_selector_list the list of selectors that precedes
+	 *the rule declarations.
+	 */
+	void (*start_selector) (CRDocHandler * a_this,
+				CRSelector *a_selector_list) ;
+
+	/**
+	 *Is called to notify the end of a rule statement.
+	 *@param a_this the current instance of #CRDocHandler.
+	 *@param a_selector_list the list of selectors that precedes
+	 *the rule declarations. This pointer is the same as
+	 *the one passed to start_selector() ;
+	 */
+	void (*end_selector) (CRDocHandler *a_this,
+			      CRSelector *a_selector_list) ;
+
+
+	/**
+	 *Is called to notify a declaration.
+	 *@param a_this a pointer to the current instance
+	 *of #CRDocHandler.
+	 *@param a_name the name of the parsed property.
+	 *@param a_expression a css expression that represents
+	 *the value of the property. A css expression is
+	 *actually a linked list of 'terms'. Each term can
+	 *be linked to other using operators.
+	 *
+	 */
+	void (*property) (CRDocHandler *a_this,
+			  CRString *a_name,
+			  CRTerm *a_expression,
+			  gboolean a_is_important) ;
+	/**
+	 *Is called to notify the start of a font face statement.
+	 *The parser invokes this method at the beginning of every
+	 *font face statement in the style sheet. There will
+	 *be a corresponding end_font_face () event for every
+	 *start_font_face () event.
+	 *
+	 *@param a_this a pointer to the current instance of
+	 *#CRDocHandler.
+	 *@param a_location the parsing location of the "\@font-face"
+	 *keyword.
+	 */
+	void (*start_font_face) (CRDocHandler *a_this,
+				 CRParsingLocation *a_location) ;
+
+	/**
+	 *Is called to notify the end of a font face statement.
+	 *@param a_this a pointer to the current instance of
+	 *#CRDocHandler.
+	 */
+	void (*end_font_face) (CRDocHandler *a_this) ;
+
+
+	/**
+	 *Is called to notify 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 end_media() event for every start_media()
+	 *event.
+	 *@param a_this a pointer to the current instance of 
+	 *#CRDocHandler.
+	 *@param a_media_list a double linked list of 
+	 #CRString * objects.
+	 *Each CRString objects is actually a destination media for
+	 *the style information.
+	 */
+	void (*start_media) (CRDocHandler *a_this,
+			     GList *a_media_list,
+			     CRParsingLocation *a_location) ;
+
+	/**
+	 *Is called to notify the end of a media statement.
+	 *@param a_this a pointer to the current instance
+	 *of #CRDocHandler.
+	 *@param a_media_list a double linked list of GString * objects.
+	 *Each GString objects is actually a destination media for
+	 *the style information.
+	 */
+	void (*end_media) (CRDocHandler *a_this,
+			   GList *a_media_list) ;
+
+	/**
+	 *Is called to notify the beginning of a page statement.
+	 *The parser invokes this function at the beginning of
+	 *every page statement in the style sheet. There will be
+	 *a corresponding end_page() event for every single 
+	 *start_page() event.
+	 *@param a_this a pointer to the current instance of
+	 *#CRDocHandler.
+	 *@param a_name the name of the page (if any, null otherwise).
+	 *@param a_pseudo_page the pseudo page (if any, null otherwise).
+	 *@param a_location the parsing location of the "\@page" keyword.
+	 */
+	void (*start_page) (CRDocHandler *a_this,
+			    CRString *a_name, 
+			    CRString *a_pseudo_page,
+			    CRParsingLocation *a_location) ;
+
+	/**
+	 *Is called to notify the end of a page statement.
+	 *@param a_this a pointer to the current instance of
+	 *#CRDocHandler.
+	 *@param a_name the name of the page (if any, null otherwise).
+	 *@param a_pseudo_page the pseudo page (if any, null otherwise).
+	 */
+	void (*end_page) (CRDocHandler *a_this,
+			  CRString *a_name,
+			  CRString *pseudo_page) ;
+		
+	/**
+	 *Is Called to notify an unknown at-rule not supported
+	 *by this parser.
+	 */
+	void (*ignorable_at_rule) (CRDocHandler *a_this,
+				   CRString *a_name) ;
+
+	/**
+	 *Is called to notify a parsing error. After this error
+	 *the application must ignore the rule being parsed, if
+	 *any. After completion of this callback, 
+	 *the parser will then try to resume the parsing,
+	 *ignoring the current error.
+	 */
+	void (*error) (CRDocHandler *a_this) ;
+
+	/**
+	 *Is called to notify an unrecoverable parsing error.
+	 *This is the place to put emergency routines that free allocated
+	 *resources.
+	 */
+	void (*unrecoverable_error) (CRDocHandler *a_this) ;
+
+	gboolean resolve_import ;
+	gulong ref_count ;
+} ;
+
+CRDocHandler * cr_doc_handler_new (void) ;
+
+enum CRStatus cr_doc_handler_set_result (CRDocHandler *a_this, gpointer a_result) ;
+
+enum CRStatus cr_doc_handler_get_result (CRDocHandler const *a_this, gpointer * a_result) ;
+
+enum CRStatus cr_doc_handler_set_ctxt (CRDocHandler *a_this, gpointer a_ctxt) ;
+
+enum CRStatus cr_doc_handler_get_ctxt (CRDocHandler const *a_this, gpointer * a_ctxt) ;
+
+enum CRStatus cr_doc_handler_set_default_sac_handler (CRDocHandler *a_this) ;
+
+void cr_doc_handler_associate_a_parser (CRDocHandler *a_this,
+					gpointer a_parser) ;
+
+void cr_doc_handler_ref (CRDocHandler *a_this) ;
+
+gboolean cr_doc_handler_unref (CRDocHandler *a_this) ;
+
+void cr_doc_handler_destroy (CRDocHandler *a_this) ;
+
+G_END_DECLS
+
+#endif /*__CR_DOC_HANDLER_H__*/