PdfProcessor: Extract outline from documents
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9a2ef19308
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@ -5,9 +5,30 @@ PdfProcessor::PdfProcessor()
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QVector<PageData> PdfProcessor::process(const QByteArray &data) const
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QVector<DocumentOutlineEntry> PdfProcessor::createOutline(const QVector<Poppler::OutlineItem> &outlineItems) const
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QVector<PageData> result;
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QVector<DocumentOutlineEntry> result;
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for(const Poppler::OutlineItem &outlineItem : outlineItems)
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{
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DocumentOutlineEntry documentOutlineEntry;
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documentOutlineEntry.text = outlineItem.name();
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documentOutlineEntry.type = OUTLINE_DESTINATION_TYPE_PAGE;
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if(!outlineItem.destination().isNull())
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{
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documentOutlineEntry.destinationPage = outlineItem.destination()->pageNumber();
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}
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if(outlineItem.hasChildren())
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{
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documentOutlineEntry.children = createOutline(outlineItem.children());
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}
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result.append(documentOutlineEntry);
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}
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return result;
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}
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DocumentProcessResult PdfProcessor::process(const QByteArray &data) const
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{
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DocumentProcessResult result;
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QScopedPointer<Poppler::Document> doc(Poppler::Document::loadFromData(data));
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QScopedPointer<Poppler::Document> doc(Poppler::Document::loadFromData(data));
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if(doc.isNull())
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if(doc.isNull())
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{
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@ -26,12 +47,13 @@ QVector<PageData> PdfProcessor::process(const QByteArray &data) const
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for(auto i = 0; i < pagecount; i++)
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for(auto i = 0; i < pagecount; i++)
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{
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QString text = doc->page(i)->text(entirePage);
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QString text = doc->page(i)->text(entirePage);
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result.append({static_cast<unsigned int>(i + 1), text});
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result.pages.append({static_cast<unsigned int>(i + 1), text});
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/*TODO: hack, so we can fts search several words over the whole document, not just pages.
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/*TODO: hack, so we can fts search several words over the whole document, not just pages.
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* this of course uses more space and should be solved differently.
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* this of course uses more space and should be solved differently.
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*/
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*/
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entire += text;
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entire += text;
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}
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}
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result.append({0, entire});
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result.pages.append({0, entire});
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result.outlines = createOutline(doc->outline());
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return result;
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return result;
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}
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}
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@ -1,5 +1,6 @@
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#ifndef PDFPROCESSOR_H
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#ifndef PDFPROCESSOR_H
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#define PDFPROCESSOR_H
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#define PDFPROCESSOR_H
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#include <poppler-qt5.h>
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#include "processor.h"
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#include "processor.h"
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class PdfProcessor : public Processor
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class PdfProcessor : public Processor
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{
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@ -7,7 +8,8 @@ class PdfProcessor : public Processor
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PdfProcessor();
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PdfProcessor();
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public:
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public:
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QVector<PageData> process(const QByteArray &data) const override;
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QVector<DocumentOutlineEntry> createOutline(const QVector<Poppler::OutlineItem> &outlineItems) const;
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DocumentProcessResult process(const QByteArray &data) const override;
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};
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};
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#endif // PDFPROCESSOR_H
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#endif // PDFPROCESSOR_H
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