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Refactor TOC parsing logic to streamline cover image and NCX item retrieval

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This commit is contained in:
Arthur Tazhitdinov 2025-12-15 20:00:54 +03:00
parent 496c20cba0
commit 6750380400
1 changed files with 2 additions and 19 deletions
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21
lib/Epub/Epub.cpp
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@ -70,30 +70,13 @@ bool Epub::parseContentOpf(const std::string& contentOpfFilePath) {
// Grab data from opfParser into epub
title = opfParser.title;
if (!opfParser.coverItemId.empty() && opfParser.items.count(opfParser.coverItemId) > 0) {
coverImageItem = opfParser.items.at(opfParser.coverItemId);
}
constexpr const char* NCX_MEDIA_TYPE = "application/x-dtbncx+xml";
for (const auto& [id, manifestItem] : opfParser.items) {
(void)id;
if (manifestItem.mediaType == NCX_MEDIA_TYPE) {
tocNcxItem = manifestItem.href;
break;
}
coverImageItem = opfParser.items.at(opfParser.coverItemId).href;
}
if (tocNcxItem.empty() && !opfParser.tocNcxPath.empty()) {
if (!opfParser.tocNcxPath.empty()) {
tocNcxItem = opfParser.tocNcxPath;
}
if (tocNcxItem.empty()) {
if (opfParser.items.count("ncx")) {
tocNcxItem = opfParser.items.at("ncx").href;
} else if (opfParser.items.count("ncxtoc")) {
tocNcxItem = opfParser.items.at("ncxtoc").href;
}
}
for (auto& spineRef : opfParser.spineRefs) {
if (opfParser.items.count(spineRef)) {
spine.emplace_back(spineRef, opfParser.items.at(spineRef).href);