113 lines
3.0 KiB
C++
113 lines
3.0 KiB
C++
#include "./matroskaeditionentry.h"
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#include "./ebmlelement.h"
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#include "./matroskaid.h"
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#include "../diagnostics.h"
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#include <c++utilities/conversion/stringbuilder.h>
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#include <c++utilities/conversion/stringconversion.h>
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#include <string>
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#include <memory>
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using namespace std;
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using namespace ConversionUtilities;
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namespace TagParser {
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/*!
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* \class MatroskaEditionEntry
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* \brief The MatroskaEditionEntry class provides a parser for edition entries in Matroska files.
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*/
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/*!
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* \brief Constructs a new MatroskaEditionEntry for the specified \a editionEntryElement.
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*/
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MatroskaEditionEntry::MatroskaEditionEntry(EbmlElement *editionEntryElement) :
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m_editionEntryElement(editionEntryElement),
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m_id(0),
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m_hidden(false),
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m_default(false),
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m_ordered(false)
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{}
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/*!
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* \brief Destroys the MatroskaEditionEntry.
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*/
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MatroskaEditionEntry::~MatroskaEditionEntry()
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{}
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/*!
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* \brief Returns a label for the entry.
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*/
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string MatroskaEditionEntry::label() const
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{
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return "ID: " + numberToString(id());
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}
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/*!
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* \brief Parses the "EditionEntry"-element specified when constructing the object.
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*
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* Fetches the chapters() but does not parse them.
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*
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* Clears all previous parsing results.
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*/
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void MatroskaEditionEntry::parse(Diagnostics &diag)
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{
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// clear previous values and status
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static const string context("parsing \"EditionEntry\"-element");
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clear();
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// iterate through children of "EditionEntry"-element
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EbmlElement *entryChild = m_editionEntryElement->firstChild();
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while(entryChild) {
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entryChild->parse(diag);
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switch(entryChild->id()) {
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case MatroskaIds::EditionUID:
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m_id = entryChild->readUInteger();
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break;
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case MatroskaIds::EditionFlagHidden:
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m_hidden = entryChild->readUInteger() == 1;
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break;
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case MatroskaIds::EditionFlagDefault:
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m_default = entryChild->readUInteger() == 1;
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break;
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case MatroskaIds::EditionFlagOrdered:
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m_ordered = entryChild->readUInteger() == 1;
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break;
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case MatroskaIds::ChapterAtom:
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m_chapters.emplace_back(make_unique<MatroskaChapter>(entryChild));
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break;
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default:
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diag.emplace_back(DiagLevel::Warning, "\"EditionEntry\"-element contains unknown child element \"" % entryChild->idToString() + "\" which will be ingored.", context);
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}
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entryChild = entryChild->nextSibling();
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}
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}
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/*!
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* \brief Parses the "EditionEntry"-element specified when constructing the object.
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* \remarks
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* - Parses also fetched chapters and nested chapters.
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* - Clears all previous parsing results.
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*/
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void MatroskaEditionEntry::parseNested(Diagnostics &diag)
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{
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parse(diag);
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for(auto &chapter : chapters()) {
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chapter->parseNested(diag);
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}
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}
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/*!
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* \brief Resets the object to its initial state.
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*/
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void MatroskaEditionEntry::clear()
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{
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m_id = 0;
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m_hidden = m_default = m_ordered = false;
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m_chapters.clear();
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}
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} // namespace Media
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