mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-10-01 02:35:48 -04:00
FeedReeder:
- Fixed memory leak in xpath processing - Stop long loops when closing the preview dialog or shutdown - Added drag and drop to xpath lists in preview dialog - Fixed save of xpaths lists git-svn-id: http://svn.code.sf.net/p/retroshare/code/trunk@6074 b45a01b8-16f6-495d-af2f-9b41ad6348cc
This commit is contained in:
parent
66c4a3d71b
commit
13f2863569
@ -191,7 +191,9 @@ PreviewFeedDialog::PreviewFeedDialog(RsFeedReader *feedReader, FeedReaderNotify
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updateMsgCount();
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ui->xpathUseListWidget->installEventFilter(this);
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ui->xpathUseListWidget->viewport()->installEventFilter(this);
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ui->xpathRemoveListWidget->installEventFilter(this);
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ui->xpathRemoveListWidget->viewport()->installEventFilter(this);
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/* load settings */
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processSettings(true);
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@ -253,6 +255,9 @@ bool PreviewFeedDialog::eventFilter(QObject *obj, QEvent *event)
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}
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}
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}
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if (event->type() == QEvent::Drop) {
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processXPath();
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}
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/* pass the event on to the parent class */
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return QDialog::eventFilter(obj, event);
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}
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@ -733,6 +738,9 @@ void PreviewFeedDialog::fillStructureTree()
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void PreviewFeedDialog::getXPaths(std::list<std::string> &xpathsToUse, std::list<std::string> &xpathsToRemove)
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{
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xpathsToUse.clear();
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xpathsToRemove.clear();
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int row;
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int rowCount = ui->xpathUseListWidget->count();
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for (row = 0; row < rowCount; ++row) {
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@ -166,6 +166,22 @@
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</property>
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</widget>
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</item>
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<item>
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<spacer name="horizontalSpacer">
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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<property name="sizeType">
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<enum>QSizePolicy::Fixed</enum>
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</property>
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<property name="sizeHint" stdset="0">
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<size>
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<width>10</width>
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<height>20</height>
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</size>
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</property>
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</spacer>
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</item>
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<item>
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<widget class="QLabel" name="messageCountLabel">
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<property name="sizePolicy">
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@ -179,6 +195,22 @@
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</property>
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</widget>
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</item>
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<item>
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<spacer name="horizontalSpacer_2">
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<property name="orientation">
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<enum>Qt::Horizontal</enum>
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</property>
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<property name="sizeType">
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<enum>QSizePolicy::Fixed</enum>
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</property>
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<property name="sizeHint" stdset="0">
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<size>
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<width>10</width>
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<height>20</height>
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</size>
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</property>
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</spacer>
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</item>
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<item>
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<widget class="QPushButton" name="nextPushButton">
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<property name="sizePolicy">
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@ -282,7 +314,16 @@
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<property name="spacing">
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<number>0</number>
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</property>
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<property name="margin">
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<property name="leftMargin">
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<number>0</number>
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</property>
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<property name="topMargin">
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<number>0</number>
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</property>
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<property name="rightMargin">
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<number>0</number>
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</property>
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<property name="bottomMargin">
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<number>0</number>
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</property>
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<item>
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@ -369,7 +410,16 @@ border-image: url(:/images/closepressed.png)
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<property name="spacing">
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<number>2</number>
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</property>
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<property name="margin">
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<property name="leftMargin">
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<number>0</number>
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</property>
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<property name="topMargin">
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<number>0</number>
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</property>
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<property name="rightMargin">
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<number>0</number>
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</property>
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<property name="bottomMargin">
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<number>0</number>
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</property>
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<item>
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@ -410,7 +460,16 @@ border-image: url(:/images/closepressed.png)
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<property name="spacing">
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<number>2</number>
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</property>
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<property name="margin">
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<property name="leftMargin">
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<number>0</number>
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</property>
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<property name="topMargin">
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<number>0</number>
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</property>
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<property name="rightMargin">
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<number>0</number>
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</property>
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<property name="bottomMargin">
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<number>0</number>
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</property>
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<item>
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@ -425,6 +484,9 @@ border-image: url(:/images/closepressed.png)
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<property name="contextMenuPolicy">
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<enum>Qt::CustomContextMenu</enum>
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</property>
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<property name="dragDropMode">
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<enum>QAbstractItemView::InternalMove</enum>
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</property>
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</widget>
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</item>
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<item>
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@ -439,6 +501,9 @@ border-image: url(:/images/closepressed.png)
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<property name="contextMenuPolicy">
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<enum>Qt::CustomContextMenu</enum>
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</property>
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<property name="dragDropMode">
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<enum>QAbstractItemView::InternalMove</enum>
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</property>
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</widget>
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</item>
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</layout>
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@ -93,6 +93,10 @@ void p3FeedReaderThread::run()
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if (isRunning()) {
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/* second, process the descriptions */
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for (it = msgs.begin(); it != msgs.end(); ) {
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if (!isRunning()) {
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break;
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}
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RsFeedReaderMsg *mi = *it;
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result = processMsg(feed, mi, errorString);
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if (result != RS_FEED_ERRORSTATE_OK) {
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@ -116,11 +120,13 @@ void p3FeedReaderThread::run()
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++it;
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}
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}
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if (result == RS_FEED_ERRORSTATE_OK) {
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/* third, add messages */
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mFeedReader->onProcessSuccess_addMsgs(feed.feedId, msgs, false);
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} else {
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mFeedReader->onProcessError(feed.feedId, result, errorString);
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if (isRunning()) {
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if (result == RS_FEED_ERRORSTATE_OK) {
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/* third, add messages */
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mFeedReader->onProcessSuccess_addMsgs(feed.feedId, msgs, false);
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} else {
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mFeedReader->onProcessError(feed.feedId, result, errorString);
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}
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}
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}
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} else {
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@ -1057,198 +1063,203 @@ RsFeedReaderErrorState p3FeedReaderThread::processMsg(const RsFeedReaderFeed &fe
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return result;
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}
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/* process description */
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long todo; // encoding
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HTMLWrapper html;
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if (html.readHTML(msg->description.c_str(), url.c_str())) {
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xmlNodePtr root = html.getRootElement();
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if (root) {
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std::list<xmlNodePtr> nodesToDelete;
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if (isRunning()) {
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/* process description */
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long todo; // encoding
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HTMLWrapper html;
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if (html.readHTML(msg->description.c_str(), url.c_str())) {
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xmlNodePtr root = html.getRootElement();
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if (root) {
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std::list<xmlNodePtr> nodesToDelete;
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/* process all children */
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std::list<xmlNodePtr> nodes;
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nodes.push_back(root);
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/* process all children */
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std::list<xmlNodePtr> nodes;
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nodes.push_back(root);
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while (!nodes.empty()) {
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if (!isRunning()) {
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break;
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}
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xmlNodePtr node = nodes.front();
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nodes.pop_front();
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while (!nodes.empty()) {
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if (!isRunning()) {
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break;
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}
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xmlNodePtr node = nodes.front();
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nodes.pop_front();
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switch (node->type) {
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case XML_ELEMENT_NODE:
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if (xmlStrcasecmp(node->name, BAD_CAST"img") == 0) {
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/* process images */
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switch (node->type) {
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case XML_ELEMENT_NODE:
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if (xmlStrcasecmp(node->name, BAD_CAST"img") == 0) {
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/* process images */
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if ((feed.flag & RS_FEED_FLAG_EMBED_IMAGES) == 0) {
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/* remove image */
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if ((feed.flag & RS_FEED_FLAG_EMBED_IMAGES) == 0) {
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/* remove image */
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xmlUnlinkNode(node);
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nodesToDelete.push_back(node);
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continue;
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}
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} else if (xmlStrcasecmp(node->name, BAD_CAST"script") == 0) {
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/* remove script */
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xmlUnlinkNode(node);
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nodesToDelete.push_back(node);
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continue;
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}
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} else if (xmlStrcasecmp(node->name, BAD_CAST"script") == 0) {
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/* remove script */
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xmlUnlinkNode(node);
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nodesToDelete.push_back(node);
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continue;
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}
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xmlNodePtr child;
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for (child = node->children; child; child = child->next) {
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nodes.push_back(child);
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}
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break;
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xmlNodePtr child;
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for (child = node->children; child; child = child->next) {
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nodes.push_back(child);
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}
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break;
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case XML_TEXT_NODE:
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{
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/* check for only space */
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std::string content;
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if (html.getContent(node, content, false)) {
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std::string newContent = content;
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case XML_TEXT_NODE:
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{
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/* check for only space */
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std::string content;
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if (html.getContent(node, content, false)) {
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std::string newContent = content;
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/* trim */
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XMLWrapper::trimString(newContent);
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/* trim */
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XMLWrapper::trimString(newContent);
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if (newContent.empty()) {
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xmlUnlinkNode(node);
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nodesToDelete.push_back(node);
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} else {
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if (content != newContent) {
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html.setContent(node, newContent.c_str());
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if (newContent.empty()) {
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xmlUnlinkNode(node);
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nodesToDelete.push_back(node);
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} else {
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if (content != newContent) {
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html.setContent(node, newContent.c_str());
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}
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}
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}
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}
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}
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break;
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break;
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case XML_COMMENT_NODE:
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// xmlUnlinkNode(node);
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// nodesToDelete.push_back(node);
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break;
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case XML_COMMENT_NODE:
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// xmlUnlinkNode(node);
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// nodesToDelete.push_back(node);
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break;
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case XML_ATTRIBUTE_NODE:
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case XML_CDATA_SECTION_NODE:
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case XML_ENTITY_REF_NODE:
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case XML_ENTITY_NODE:
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case XML_PI_NODE:
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case XML_DOCUMENT_NODE:
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case XML_DOCUMENT_TYPE_NODE:
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case XML_DOCUMENT_FRAG_NODE:
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case XML_NOTATION_NODE:
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case XML_HTML_DOCUMENT_NODE:
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case XML_DTD_NODE:
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case XML_ELEMENT_DECL:
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case XML_ATTRIBUTE_DECL:
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case XML_ENTITY_DECL:
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case XML_NAMESPACE_DECL:
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case XML_XINCLUDE_START:
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case XML_XINCLUDE_END:
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case XML_ATTRIBUTE_NODE:
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case XML_CDATA_SECTION_NODE:
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case XML_ENTITY_REF_NODE:
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case XML_ENTITY_NODE:
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case XML_PI_NODE:
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case XML_DOCUMENT_NODE:
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case XML_DOCUMENT_TYPE_NODE:
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case XML_DOCUMENT_FRAG_NODE:
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case XML_NOTATION_NODE:
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case XML_HTML_DOCUMENT_NODE:
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case XML_DTD_NODE:
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case XML_ELEMENT_DECL:
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case XML_ATTRIBUTE_DECL:
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case XML_ENTITY_DECL:
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case XML_NAMESPACE_DECL:
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case XML_XINCLUDE_START:
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case XML_XINCLUDE_END:
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#ifdef LIBXML_DOCB_ENABLED
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case XML_DOCB_DOCUMENT_NODE:
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case XML_DOCB_DOCUMENT_NODE:
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#endif
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break;
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break;
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}
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}
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}
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std::list<xmlNodePtr>::iterator nodeIt;
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for (nodeIt = nodesToDelete.begin(); nodeIt != nodesToDelete.end(); ++nodeIt) {
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xmlFreeNode(*nodeIt);
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}
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nodesToDelete.clear();
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std::list<xmlNodePtr>::iterator nodeIt;
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for (nodeIt = nodesToDelete.begin(); nodeIt != nodesToDelete.end(); ++nodeIt) {
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xmlFreeNode(*nodeIt);
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}
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nodesToDelete.clear();
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if (!feed.preview) {
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result = processXPath(feed.xpathsToUse.ids, feed.xpathsToRemove.ids, html, errorString);
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}
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if (isRunning() && !feed.preview) {
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result = processXPath(feed.xpathsToUse.ids, feed.xpathsToRemove.ids, html, errorString);
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}
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if (result == RS_FEED_ERRORSTATE_OK) {
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unsigned int xpathCount;
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unsigned int xpathIndex;
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XPathWrapper *xpath = html.createXPath();
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if (xpath) {
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/* process images */
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if (xpath->compile("//img")) {
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xpathCount = xpath->count();
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for (xpathIndex = 0; xpathIndex < xpathCount; ++xpathIndex) {
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xmlNodePtr node = xpath->node(xpathIndex);
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if (isRunning() && result == RS_FEED_ERRORSTATE_OK) {
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unsigned int xpathCount;
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unsigned int xpathIndex;
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XPathWrapper *xpath = html.createXPath();
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if (xpath) {
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/* process images */
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if (xpath->compile("//img")) {
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xpathCount = xpath->count();
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for (xpathIndex = 0; xpathIndex < xpathCount; ++xpathIndex) {
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if (!isRunning()) {
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break;
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}
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xmlNodePtr node = xpath->node(xpathIndex);
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if (node->type == XML_ELEMENT_NODE) {
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bool removeImage = true;
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if (node->type == XML_ELEMENT_NODE) {
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bool removeImage = true;
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if (feed.flag & RS_FEED_FLAG_EMBED_IMAGES) {
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/* embed image */
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std::string src = html.getAttr(node, "src");
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if (!src.empty()) {
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/* download image */
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if (feed.flag & RS_FEED_FLAG_EMBED_IMAGES) {
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/* embed image */
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std::string src = html.getAttr(node, "src");
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if (!src.empty()) {
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/* download image */
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#ifdef FEEDREADER_DEBUG
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std::cerr << "p3FeedReaderThread::processHTML - feed " << feed.feedId << " (" << feed.name << ") download image " << src << std::endl;
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std::cerr << "p3FeedReaderThread::processHTML - feed " << feed.feedId << " (" << feed.name << ") download image " << src << std::endl;
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#endif
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std::vector<unsigned char> data;
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CURLWrapper CURL(proxy);
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CURLcode code = CURL.downloadBinary(calculateLink(url, src), data);
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if (code == CURLE_OK && CURL.responseCode() == 200) {
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std::string contentType = CURL.contentType();
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if (isContentType(contentType, "image/")) {
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std::string base64;
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if (toBase64(data, base64)) {
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std::string imageBase64;
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rs_sprintf(imageBase64, "data:%s;base64,%s", contentType.c_str(), base64.c_str());
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if (html.setAttr(node, "src", imageBase64.c_str())) {
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removeImage = false;
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std::vector<unsigned char> data;
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CURLWrapper CURL(proxy);
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CURLcode code = CURL.downloadBinary(calculateLink(url, src), data);
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if (code == CURLE_OK && CURL.responseCode() == 200) {
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std::string contentType = CURL.contentType();
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if (isContentType(contentType, "image/")) {
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std::string base64;
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if (toBase64(data, base64)) {
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std::string imageBase64;
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rs_sprintf(imageBase64, "data:%s;base64,%s", contentType.c_str(), base64.c_str());
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if (html.setAttr(node, "src", imageBase64.c_str())) {
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removeImage = false;
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}
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}
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}
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}
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}
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}
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}
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if (removeImage) {
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/* remove image */
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xmlUnlinkNode(node);
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nodesToDelete.push_back(node);
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continue;
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if (removeImage) {
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/* remove image */
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xmlUnlinkNode(node);
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nodesToDelete.push_back(node);
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continue;
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}
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}
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}
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} else {
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// unable to compile xpath expression
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result = RS_FEED_ERRORSTATE_PROCESS_XPATH_INTERNAL_ERROR;
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}
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delete(xpath);
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xpath = NULL;
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} else {
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// unable to compile xpath expression
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// unable to create xpath object
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result = RS_FEED_ERRORSTATE_PROCESS_XPATH_INTERNAL_ERROR;
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std::cerr << "p3FeedReaderThread::process - feed " << feed.feedId << " (" << feed.name << "), unable to create xpath object" << std::endl;
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}
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delete(xpath);
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xpath = NULL;
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} else {
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// unable to create xpath object
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result = RS_FEED_ERRORSTATE_PROCESS_XPATH_INTERNAL_ERROR;
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||||
std::cerr << "p3FeedReaderThread::process - feed " << feed.feedId << " (" << feed.name << "), unable to create xpath object" << std::endl;
|
||||
}
|
||||
}
|
||||
|
||||
for (nodeIt = nodesToDelete.begin(); nodeIt != nodesToDelete.end(); ++nodeIt) {
|
||||
xmlFreeNode(*nodeIt);
|
||||
}
|
||||
nodesToDelete.clear();
|
||||
for (nodeIt = nodesToDelete.begin(); nodeIt != nodesToDelete.end(); ++nodeIt) {
|
||||
xmlFreeNode(*nodeIt);
|
||||
}
|
||||
nodesToDelete.clear();
|
||||
|
||||
if (result == RS_FEED_ERRORSTATE_OK) {
|
||||
if (isRunning()) {
|
||||
if (!html.saveHTML(msg->description)) {
|
||||
if (result == RS_FEED_ERRORSTATE_OK) {
|
||||
if (isRunning()) {
|
||||
if (!html.saveHTML(msg->description)) {
|
||||
#ifdef FEEDREADER_DEBUG
|
||||
std::cerr << "p3FeedReaderThread::processHTML - feed " << feed.feedId << " (" << feed.name << ") cannot dump html" << std::endl;
|
||||
std::cerr << "p3FeedReaderThread::processHTML - feed " << feed.feedId << " (" << feed.name << ") cannot dump html" << std::endl;
|
||||
#endif
|
||||
result = RS_FEED_ERRORSTATE_PROCESS_INTERNAL_ERROR;
|
||||
result = RS_FEED_ERRORSTATE_PROCESS_INTERNAL_ERROR;
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
#ifdef FEEDREADER_DEBUG
|
||||
std::cerr << "p3FeedReaderThread::processHTML - feed " << feed.feedId << " (" << feed.name << ") no root element" << std::endl;
|
||||
#endif
|
||||
result = RS_FEED_ERRORSTATE_PROCESS_HTML_ERROR;
|
||||
}
|
||||
} else {
|
||||
#ifdef FEEDREADER_DEBUG
|
||||
std::cerr << "p3FeedReaderThread::processHTML - feed " << feed.feedId << " (" << feed.name << ") no root element" << std::endl;
|
||||
std::cerr << "p3FeedReaderThread::processHTML - feed " << feed.feedId << " (" << feed.name << ") cannot read html" << std::endl;
|
||||
#endif
|
||||
result = RS_FEED_ERRORSTATE_PROCESS_HTML_ERROR;
|
||||
}
|
||||
} else {
|
||||
#ifdef FEEDREADER_DEBUG
|
||||
std::cerr << "p3FeedReaderThread::processHTML - feed " << feed.feedId << " (" << feed.name << ") cannot read html" << std::endl;
|
||||
#endif
|
||||
result = RS_FEED_ERRORSTATE_PROCESS_HTML_ERROR;
|
||||
}
|
||||
|
||||
return result;
|
||||
@ -1352,6 +1363,8 @@ RsFeedReaderErrorState p3FeedReaderThread::processXPath(const std::list<std::str
|
||||
nodesToDelete.clear();
|
||||
}
|
||||
|
||||
delete(xpath);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
|
@ -71,12 +71,25 @@ bool XPathWrapper::compile(const char *expression)
|
||||
return true;
|
||||
}
|
||||
|
||||
xmlXPathObjectType XPathWrapper::type()
|
||||
{
|
||||
if (mResult) {
|
||||
return mResult->type;
|
||||
}
|
||||
|
||||
return XPATH_UNDEFINED;
|
||||
}
|
||||
|
||||
unsigned int XPathWrapper::count()
|
||||
{
|
||||
if (!mResult) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (mResult->type != XPATH_NODESET) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (xmlXPathNodeSetIsEmpty(mResult->nodesetval)) {
|
||||
return 0;
|
||||
}
|
||||
@ -90,6 +103,10 @@ xmlNodePtr XPathWrapper::node(unsigned int index)
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (mResult->type != XPATH_NODESET) {
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (xmlXPathNodeSetIsEmpty(mResult->nodesetval)) {
|
||||
return NULL;
|
||||
}
|
||||
|
@ -37,6 +37,8 @@ public:
|
||||
|
||||
bool compile(const char *expression);
|
||||
|
||||
xmlXPathObjectType type();
|
||||
|
||||
unsigned int count();
|
||||
xmlNodePtr node(unsigned int index);
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user