cli: Move most classes to shared lib for reuse

shared/pdfprocessor.cpp

@@ -0,0 +1,37 @@
+#include <QScopedPointer>
+#include <poppler-qt5.h>
+#include "pdfprocessor.h"
+PdfProcessor::PdfProcessor()
+{
+}
+
+QVector<PageData> PdfProcessor::process(const QByteArray &data) const
+{
+	QVector<PageData> result;
+	QScopedPointer<Poppler::Document> doc(Poppler::Document::loadFromData(data));
+	if(doc.isNull())
+	{
+		throw LooqsGeneralException("Failed to process pdf data");
+	}
+	if(doc->isLocked())
+	{
+		throw LooqsGeneralException("Doc is locked");
+	}
+
+	QRectF entirePage;
+
+	auto pagecount = doc->numPages();
+	QString entire;
+	entire.reserve(data.size()); // TODO too much
+	for(auto i = 0; i < pagecount; i++)
+	{
+		QString text = doc->page(i)->text(entirePage);
+		result.append({static_cast<unsigned int>(i + 1), text});
+		/*TODO: hack, so we can fts search several words over the whole document, not just pages.
+		 * this of course uses more space and should be solved differently.
+		 */
+		entire += text;
+	}
+	result.append({0, entire});
+	return result;
+}