forked from qt-creator/qt-creator
Cpaster: Empty list displayed.
Use archive page now in hopes of a more stable page layout. Task-number: QTCREATORBUG-4112
This commit is contained in:
Friedemann Kleint
@@ -230,10 +230,11 @@ void PasteBinDotComProtocol::list()
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QTC_ASSERT(!m_listReply, return;)
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// fire request
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m_listReply = httpGet(QLatin1String("http://") + hostName(true));
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const QString url = QLatin1String("http://") + hostName(true) + QLatin1String("/archive");
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m_listReply = httpGet(url);
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connect(m_listReply, SIGNAL(finished()), this, SLOT(listFinished()));
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if (debug)
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qDebug() << "list: sending " << m_listReply;
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qDebug() << "list: sending " << url << m_listReply;
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}
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static inline void padString(QString *s, int len)
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@@ -243,85 +244,186 @@ static inline void padString(QString *s, int len)
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s->append(QString(missing, QLatin1Char(' ')));
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}
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/* Quick & dirty: Parse the <div>-elements with the "Recent Posts" listing
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* out of the page.
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/* Quick & dirty: Parse out the 'archive' table as of 16.3.2011:
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\code
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<div class="content_left_title">Recent Posts</div>
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<div class="content_left_box">
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<div class="clb_top"><a href="http://pastebin.com/id">User</a></div>
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<div class="clb_bottom"><span>Title</div>
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<table class="maintable" cellspacing="0">
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<tr class="top">
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<th scope="col" align="left">Name / Title</th>
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<th scope="col" align="left">Posted</th>
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<th scope="col" align="left">Expires</th>
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<th scope="col" align="left">Size</th>
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<th scope="col" align="left">Syntax</th>
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<th scope="col" align="left">User</th>
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</tr>
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<tr class="g">
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<td class="icon"><a href="/8ZRqkcaP">Untitled</a></td>
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<td>2 sec ago</td>
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<td>Never</td>
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<td>9.41 KB</td>
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<td><a href="/archive/text">None</a></td>
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<td>a guest</td>
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</tr>
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<tr>
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\endcode */
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enum ParseState
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{
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OutSideTable, WithinTable, WithinTableRow, WithinTableHeaderElement,
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WithinTableElement, WithinTableElementAnchor, ParseError
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};
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static inline ParseState nextOpeningState(ParseState current, const QStringRef &element)
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{
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switch (current) {
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case OutSideTable:
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if (element == QLatin1String("table"))
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return WithinTable;
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return OutSideTable;
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case WithinTable:
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if (element == QLatin1String("tr"))
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return WithinTableRow;
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break;
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case WithinTableRow:
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if (element == QLatin1String("td"))
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return WithinTableElement;
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if (element == QLatin1String("th"))
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return WithinTableHeaderElement;
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break;
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case WithinTableElement:
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if (element == QLatin1String("a"))
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return WithinTableElementAnchor;
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break;
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case WithinTableHeaderElement:
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case WithinTableElementAnchor:
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case ParseError:
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break;
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}
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return ParseError;
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}
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static inline ParseState nextClosingState(ParseState current, const QStringRef &element)
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{
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switch (current) {
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case OutSideTable:
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return OutSideTable;
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case WithinTable:
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if (element == QLatin1String("table"))
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return OutSideTable;
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break;
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case WithinTableRow:
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if (element == QLatin1String("tr"))
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return WithinTable;
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break;
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case WithinTableElement:
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if (element == QLatin1String("td"))
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return WithinTableRow;
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break;
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case WithinTableHeaderElement:
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if (element == QLatin1String("th"))
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return WithinTableRow;
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break;
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case WithinTableElementAnchor:
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if (element == QLatin1String("a"))
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return WithinTableElement;
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break;
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case ParseError:
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break;
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}
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return ParseError;
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}
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static inline QStringList parseLists(QIODevice *io)
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{
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enum State { OutsideRecentPostList, InsideRecentPostList,
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InsideRecentPostBox, InsideRecentPost };
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enum { maxEntries = 200 }; // Limit the archive, which can grow quite large.
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QStringList rc;
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QXmlStreamReader reader(io);
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ParseState state = OutSideTable;
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int tableRow = 0;
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int tableColumn = 0;
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const QString hrefAttribute = QLatin1String("href");
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QString link;
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QString user;
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QString description;
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const QString classAttribute = QLatin1String("class");
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const QString divElement = QLatin1String("div");
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const QString anchorElement = QLatin1String("a");
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const QString spanElement = QLatin1String("span");
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State state = OutsideRecentPostList;
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while (!reader.atEnd()) {
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switch(reader.readNext()) {
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case QXmlStreamReader::StartElement:
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// Inside a <div> of an entry: Anchor or description
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if (state == InsideRecentPost) {
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if (reader.name() == anchorElement) { // Anchor
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// Strip host from link
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QString link = reader.attributes().value(QLatin1String("href")).toString();
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const int slashPos = link.lastIndexOf(QLatin1Char('/'));
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if (slashPos != -1)
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link.remove(0, slashPos + 1);
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const QString user = reader.readElementText();
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rc.push_back(link + QLatin1Char(' ') + user);
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} else if (reader.name() == spanElement) { // <span> with description
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const QString description = reader.readElementText();
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QTC_ASSERT(!rc.isEmpty(), return rc; )
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padString(&rc.back(), 25);
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rc.back() += QLatin1Char(' ');
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rc.back() += description;
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state = nextOpeningState(state, reader.name());
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switch (state) {
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case WithinTableRow:
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tableColumn = 0;
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break;
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case OutSideTable:
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case WithinTable:
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case WithinTableHeaderElement:
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case WithinTableElement:
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break;
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case WithinTableElementAnchor: // 'href="/svb5K8wS"'
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if (tableColumn == 0) {
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link = reader.attributes().value(hrefAttribute).toString();
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if (link.startsWith(QLatin1Char('/')))
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link.remove(0, 1);
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}
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} else if (reader.name() == divElement) { // "<div>" state switching
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switch (state) {
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// Check on the contents as there are several lists.
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case OutsideRecentPostList:
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if (reader.attributes().value(classAttribute) == QLatin1String("content_left_title")
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&& reader.readElementText() == QLatin1String("Recent Posts"))
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state = InsideRecentPostList;
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break;
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case InsideRecentPostList:
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if (reader.attributes().value(classAttribute) == QLatin1String("content_left_box"))
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state = InsideRecentPostBox;
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break;
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case InsideRecentPostBox:
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state = InsideRecentPost;
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break;
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default:
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break;
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}
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} // divElement
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break;
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case ParseError:
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return rc;
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} // switch startelement state
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break;
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case QXmlStreamReader::EndElement:
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if (reader.name() == divElement) {
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switch (state) {
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case InsideRecentPost:
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state = InsideRecentPostBox;
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break;
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case InsideRecentPostBox: // Stop parsing when leaving the box.
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state = nextClosingState(state, reader.name());
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switch (state) {
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case OutSideTable:
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if (tableRow) // Seen the table, bye.
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return rc;
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break;
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default:
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break;
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break;
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case WithinTable:
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if (tableRow && !user.isEmpty() && !link.isEmpty() && !description.isEmpty()) {
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QString entry = link;
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entry += QLatin1Char(' ');
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entry += user;
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entry += QLatin1Char(' ');
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entry += description;
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rc.push_back(entry);
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if (rc.size() >= maxEntries)
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return rc;
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}
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}
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tableRow++;
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user.clear();
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link.clear();
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description.clear();
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break;
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case WithinTableRow:
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tableColumn++;
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break;
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case WithinTableHeaderElement:
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case WithinTableElement:
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case WithinTableElementAnchor:
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break;
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case ParseError:
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return rc;
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} // switch endelement state
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break;
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case QXmlStreamReader::Characters:
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switch (state) {
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break;
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case WithinTableElement:
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if (tableColumn == 5)
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user = reader.text().toString();
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break;
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case WithinTableElementAnchor:
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if (tableColumn == 0)
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description = reader.text().toString();
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break;
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default:
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break;
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} // switch characters read state
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break;
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default:
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break;
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}
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} // switch reader state
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}
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return rc;
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}
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