| 1 | /* |
| 2 | This file is part of the syndication library |
| 3 | SPDX-FileCopyrightText: 2006 Frank Osterfeld <osterfeld@kde.org> |
| 4 | |
| 5 | SPDX-License-Identifier: LGPL-2.0-or-later |
| 6 | */ |
| 7 | |
| 8 | #ifndef SYNDICATION_GLOBAL_H |
| 9 | #define SYNDICATION_GLOBAL_H |
| 10 | |
| 11 | #include "feed.h" |
| 12 | |
| 13 | #include "syndication_export.h" |
| 14 | |
| 15 | #include <QString> |
| 16 | |
| 17 | /*! |
| 18 | * \namespace Syndication |
| 19 | * \inmodule Syndication |
| 20 | * \inheaderfile Syndication/Global |
| 21 | */ |
| 22 | namespace Syndication |
| 23 | { |
| 24 | class DocumentSource; |
| 25 | template<class T> |
| 26 | class ParserCollection; |
| 27 | |
| 28 | /*! |
| 29 | * The default ParserCollection instance parsing |
| 30 | * a DocumentSource into a Feed object. |
| 31 | * |
| 32 | * Use this to parse a local file or a otherwise |
| 33 | * manually created DocumentSource object. |
| 34 | * |
| 35 | * To retrieve a feed from the web, use Loader instead. |
| 36 | * |
| 37 | * Example code: |
| 38 | * |
| 39 | * \code |
| 40 | * ... |
| 41 | * QFile someFile(somePath); |
| 42 | * ... |
| 43 | * DocumentSource src(someFile.readAll()); |
| 44 | * someFile.close(); |
| 45 | * |
| 46 | * FeedPtr feed = parserCollection()->parse(src); |
| 47 | * |
| 48 | * if (feed) |
| 49 | * { |
| 50 | * QString title = feed->title(); |
| 51 | * QList<ItemPtr> items = feed->items(); |
| 52 | * ... |
| 53 | * } |
| 54 | * \endcode |
| 55 | */ |
| 56 | SYNDICATION_EXPORT |
| 57 | ParserCollection<Feed> *parserCollection(); |
| 58 | |
| 59 | /*! |
| 60 | * parses a document from a source and returns a new Feed object |
| 61 | * wrapping the feed content. |
| 62 | * |
| 63 | * Shortcut for parserCollection()->parse(). |
| 64 | * |
| 65 | * See ParserCollection::parse() for more details. |
| 66 | * |
| 67 | * \a src the document source to parse |
| 68 | * |
| 69 | * \a formatHint an optional hint which format to test first |
| 70 | */ |
| 71 | SYNDICATION_EXPORT |
| 72 | FeedPtr parse(const DocumentSource &src, const QString &formatHint = QString()); |
| 73 | |
| 74 | /*! |
| 75 | * error code indicating fetching or parsing errors |
| 76 | * |
| 77 | * \value Success No error occurred, feed was fetched and parsed successfully |
| 78 | * \value Aborted File downloading/parsing was aborted by the user |
| 79 | * \value Timeout File download timed out |
| 80 | * \value UnknownHost The hostname couldn't get resolved to an IP address |
| 81 | * \value FileNotFound The host was contacted successfully, but reported a 404 error |
| 82 | * \value OtherRetrieverError Retriever error not covered by the error codes above. This is returned if a custom DataRetriever was used. See the |
| 83 | * retriever-specific status byte for more information on the occurred error. |
| 84 | * \value InvalidXml The XML is invalid. This is returned if no parser accepts the source and the DOM document can't be parsed. It is not returned if the source |
| 85 | * is not valid XML but a (non-XML) parser accepts it. |
| 86 | * \value XmlNotAccepted The source is valid XML, but no parser accepted it. |
| 87 | * \value InvalidFormat The source was accepted by a parser, but the actual parsing failed. As our parser implementations currently do not validate the source |
| 88 | * ("parse what you can get"), this code will be rarely seen. |
| 89 | */ |
| 90 | enum ErrorCode { |
| 91 | Success = 0, |
| 92 | Aborted = 1, |
| 93 | Timeout = 2, |
| 94 | UnknownHost = 3, |
| 95 | FileNotFound = 4, |
| 96 | OtherRetrieverError = 5, |
| 97 | InvalidXml = 6, |
| 98 | XmlNotAccepted = 7, |
| 99 | InvalidFormat = 8, |
| 100 | }; |
| 101 | |
| 102 | } // namespace Syndication |
| 103 | |
| 104 | #endif // SYNDICATION_GLOBAL_H |
| 105 | |