126 lines
4.4 KiB
C++
126 lines
4.4 KiB
C++
#include "./matroskachapter.h"
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#include "./ebmlelement.h"
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#include "./matroskaid.h"
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#include <c++utilities/misc/memory.h>
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using namespace std;
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namespace Media {
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/*!
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* \brief Constructs a new MatroskaChapter for the specified \a chapterAtomElement.
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*/
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MatroskaChapter::MatroskaChapter(EbmlElement *chapterAtomElement) :
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m_chapterAtomElement(chapterAtomElement)
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{}
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/*!
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* \brief Destroys the chapter.
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*/
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MatroskaChapter::~MatroskaChapter()
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{}
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/*!
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* \fn MatroskaChapter::parse()
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* \brief Parses the "ChapterAtom"-element which has been specified when constructing the object.
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*
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* Fetches nested 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 MatroskaChapter::internalParse()
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{
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// clear previous values and status
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static const string context("parsing \"ChapterAtom\"-element");
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invalidateStatus();
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clear();
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// iterate through childs of "ChapterAtom"-element
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EbmlElement *chapterAtomChild = m_chapterAtomElement->firstChild();
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EbmlElement *subElement;
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while(chapterAtomChild) {
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chapterAtomChild->parse();
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switch(chapterAtomChild->id()) {
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case MatroskaIds::ChapterUID:
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m_id = chapterAtomChild->readUInteger();
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break;
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case MatroskaIds::ChapterStringUID:
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break;
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case MatroskaIds::ChapterTimeStart:
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m_startTime = chapterAtomChild->readUInteger() / 100;
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break;
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case MatroskaIds::ChapterTimeEnd:
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m_endTime = chapterAtomChild->readUInteger() / 100;
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break;
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case MatroskaIds::ChapterFlagHidden:
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m_hidden = chapterAtomChild->readUInteger() == 1;
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break;
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case MatroskaIds::ChapterFlagEnabled:
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m_enabled = chapterAtomChild->readUInteger() == 1;
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break;
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case MatroskaIds::ChapterSegmentUID:
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case MatroskaIds::ChapterSegmentEditionUID:
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case MatroskaIds::ChapterPhysicalEquiv:
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break;
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case MatroskaIds::ChapterTrack:
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subElement = chapterAtomChild->firstChild();
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while(subElement) {
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subElement->parse();
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switch(subElement->id()) {
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case MatroskaIds::ChapterTrack:
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m_tracks.emplace_back(subElement->readUInteger());
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break;
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default:
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addNotification(NotificationType::Warning, "\"ChapterTrack\"-element contains unknown child element \"" + chapterAtomChild->idToString() + "\". It will be ignored.", context);
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}
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subElement = subElement->nextSibling();
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}
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break;
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case MatroskaIds::ChapterDisplay:
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subElement = chapterAtomChild->firstChild();
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m_names.emplace_back();
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while(subElement) {
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subElement->parse();
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switch(subElement->id()) {
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case MatroskaIds::ChapString:
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if(m_names.back().empty()) {
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m_names.back().assign(subElement->readString());
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} else {
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addNotification(NotificationType::Warning, "\"ChapterDisplay\"-element contains multiple \"ChapString\"-elements. Surplus occurrences will be ignored.", context);
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}
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break;
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case MatroskaIds::ChapLanguage:
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m_names.back().languages().emplace_back(subElement->readString());
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break;
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case MatroskaIds::ChapCountry:
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m_names.back().countries().emplace_back(subElement->readString());
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break;
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}
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subElement = subElement->nextSibling();
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}
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break;
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case MatroskaIds::ChapProcess:
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break;
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case MatroskaIds::ChapterAtom:
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m_nestedChapters.emplace_back(make_unique<MatroskaChapter>(chapterAtomChild));
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default:
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addNotification(NotificationType::Warning, "\"ChapterAtom\"-element contains unknown child element \"" + chapterAtomChild->idToString() + "\". It will be ignored.", context);
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}
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chapterAtomChild = chapterAtomChild->nextSibling();
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}
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// "eng" is declared to be default language
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if(m_names.back().languages().empty()) {
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m_names.back().languages().emplace_back("eng");
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}
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}
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void MatroskaChapter::clear()
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{
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AbstractChapter::clear();
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m_nestedChapters.clear();
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}
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} // namespace Media
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