efa727eff2
Replace 13 per-accessor static std::string blank locals with a single file-scope kBlank (~384 bytes DRAM saved). Add Epub::getMetadata() returning the full BookMetadata struct. Refactor buildLayout from 14 individual parameters to a single BookMetadata const ref + fileSize. Made-with: Cursor
91 lines
3.4 KiB
C++
91 lines
3.4 KiB
C++
#pragma once
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#include <Print.h>
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#include <memory>
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#include <string>
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#include <unordered_map>
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#include <vector>
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#include "Epub/BookMetadataCache.h"
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#include "Epub/css/CssParser.h"
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class ZipFile;
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class Epub {
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// the ncx file (EPUB 2)
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std::string tocNcxItem;
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// the nav file (EPUB 3)
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std::string tocNavItem;
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// where is the EPUBfile?
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std::string filepath;
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// the base path for items in the EPUB file
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std::string contentBasePath;
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// Uniq cache key based on filepath
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std::string cachePath;
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// Spine and TOC cache
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std::unique_ptr<BookMetadataCache> bookMetadataCache;
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// CSS parser for styling
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std::unique_ptr<CssParser> cssParser;
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// CSS files
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std::vector<std::string> cssFiles;
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bool findContentOpfFile(std::string* contentOpfFile) const;
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bool parseContentOpf(BookMetadataCache::BookMetadata& bookMetadata);
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bool parseTocNcxFile() const;
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bool parseTocNavFile() const;
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void parseCssFiles() const;
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public:
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explicit Epub(std::string filepath, const std::string& cacheDir) : filepath(std::move(filepath)) {
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// create a cache key based on the filepath
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cachePath = cacheDir + "/epub_" + std::to_string(std::hash<std::string>{}(this->filepath));
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}
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~Epub() = default;
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std::string& getBasePath() { return contentBasePath; }
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bool load(bool buildIfMissing = true, bool skipLoadingCss = false);
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bool clearCache() const;
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void setupCacheDir() const;
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const std::string& getCachePath() const;
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const std::string& getPath() const;
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const std::string& getTitle() const;
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const std::string& getAuthor() const;
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const std::string& getLanguage() const;
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const std::string& getSeries() const;
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const std::string& getSeriesIndex() const;
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const std::string& getDescription() const;
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const std::string& getPublisher() const;
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const std::string& getDate() const;
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const std::string& getSubjects() const;
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const std::string& getRights() const;
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const std::string& getContributor() const;
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const std::string& getIdentifier() const;
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const std::string& getRating() const;
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const BookMetadataCache::BookMetadata& getMetadata() const;
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std::string getCoverBmpPath(bool cropped = false) const;
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bool generateCoverBmp(bool cropped = false) const;
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std::string getThumbBmpPath() const;
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std::string getThumbBmpPath(int height) const;
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bool generateThumbBmp(int height) const;
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bool generateInvalidFormatCoverBmp(bool cropped = false) const;
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bool generateInvalidFormatThumbBmp(int height) const;
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static bool isValidThumbnailBmp(const std::string& bmpPath);
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uint8_t* readItemContentsToBytes(const std::string& itemHref, size_t* size = nullptr,
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bool trailingNullByte = false) const;
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bool readItemContentsToStream(const std::string& itemHref, Print& out, size_t chunkSize) const;
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bool getItemSize(const std::string& itemHref, size_t* size) const;
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BookMetadataCache::SpineEntry getSpineItem(int spineIndex) const;
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BookMetadataCache::TocEntry getTocItem(int tocIndex) const;
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int getSpineItemsCount() const;
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int getTocItemsCount() const;
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int getSpineIndexForTocIndex(int tocIndex) const;
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int getTocIndexForSpineIndex(int spineIndex) const;
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size_t getCumulativeSpineItemSize(int spineIndex) const;
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int getSpineIndexForTextReference() const;
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size_t getBookSize() const;
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float calculateProgress(int currentSpineIndex, float currentSpineRead) const;
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CssParser* getCssParser() const { return cssParser.get(); }
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int resolveHrefToSpineIndex(const std::string& href) const;
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};
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