/*
* e-mail-parser-extension.c
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) version 3.
*
* 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with the program; if not, see
*
*/
#include "e-mail-parser-extension.h"
G_DEFINE_ABSTRACT_TYPE (
EMailParserExtension,
e_mail_parser_extension,
G_TYPE_OBJECT)
static void
e_mail_parser_extension_class_init (EMailParserExtensionClass *class)
{
class->priority = G_PRIORITY_DEFAULT;
}
static void
e_mail_parser_extension_init (EMailParserExtension *extension)
{
}
/**
* e_mail_parser_extension_parse
* @extension: an #EMailParserExtension
* @parser: a #EMailParser
* @mime_part: (allow-none) a #CamelMimePart to parse
* @part_id: a #GString to which parser will append ID of the parsed part.
* @cancellable: (allow-none) A #GCancellable
* @out_mail_parts: a #GQueue to deposit #EMailPart instances
*
* A virtual function reimplemented in all mail parser extensions. The function
* decodes and parses the @mime_part, appending one or more #EMailParts
* to the @out_mail_parts queue.
*
* When the function is unable to parse the @mime_part (either because it's
* broken or because it is a different MIME type then the extension is
* specialized for), the function will return %FALSE to indicate to the
* #EMailParser that it should pick another extension.
*
* When the @mime_part contains for example multipart/mixed of one RFC822
* message with an attachment and of one image, then parser must make sure
* that parts are appeded to @out_mail_parts in the correct order.
*
* part1.rfc822.plain_text
* part1.rfc822.attachment
* part2.image
*
* Implementation of this function must be thread-safe.
*
* Returns: %TRUE if the @mime_part was handled (even if no
* #EMailParts were added to @out_mail_parts), or
* %FALSE if the @mime_part was not handled
*/
gboolean
e_mail_parser_extension_parse (EMailParserExtension *extension,
EMailParser *parser,
CamelMimePart *mime_part,
GString *part_id,
GCancellable *cancellable,
GQueue *out_mail_parts)
{
EMailParserExtensionClass *class;
g_return_val_if_fail (E_IS_MAIL_PARSER_EXTENSION (extension), FALSE);
g_return_val_if_fail (E_IS_MAIL_PARSER (parser), FALSE);
class = E_MAIL_PARSER_EXTENSION_GET_CLASS (extension);
g_return_val_if_fail (class->parse != NULL, FALSE);
/* Check for cancellation before calling the method. */
if (g_cancellable_is_cancelled (cancellable))
return FALSE;
return class->parse (
extension, parser, mime_part, part_id,
cancellable, out_mail_parts);
}
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