mirror of
https://github.com/daveallie/crosspoint-reader.git
synced 2025-12-18 15:17:42 +03:00
c78f2a9840
## Summary Addresses #35. Maybe it could be wise to do some caching of the spine sizes (but performance isn't too bad).
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
#pragma once
|
|
#include <Print.h>
|
|
|
|
#include <string>
|
|
#include <unordered_map>
|
|
#include <vector>
|
|
|
|
#include "Epub/EpubTocEntry.h"
|
|
|
|
class ZipFile;
|
|
|
|
class Epub {
|
|
// the title read from the EPUB meta data
|
|
std::string title;
|
|
// the cover image
|
|
std::string coverImageItem;
|
|
// the ncx file
|
|
std::string tocNcxItem;
|
|
// where is the EPUBfile?
|
|
std::string filepath;
|
|
// the spine of the EPUB file
|
|
std::vector<std::pair<std::string, std::string>> spine;
|
|
// the file size of the spine items (proxy to book progress)
|
|
std::vector<size_t> cumulativeSpineItemSize;
|
|
// the toc of the EPUB file
|
|
std::vector<EpubTocEntry> toc;
|
|
// the base path for items in the EPUB file
|
|
std::string contentBasePath;
|
|
// Uniq cache key based on filepath
|
|
std::string cachePath;
|
|
|
|
bool findContentOpfFile(std::string* contentOpfFile) const;
|
|
bool parseContentOpf(const std::string& contentOpfFilePath);
|
|
bool parseTocNcxFile();
|
|
|
|
public:
|
|
explicit Epub(std::string filepath, const std::string& cacheDir) : filepath(std::move(filepath)) {
|
|
// create a cache key based on the filepath
|
|
cachePath = cacheDir + "/epub_" + std::to_string(std::hash<std::string>{}(this->filepath));
|
|
}
|
|
~Epub() = default;
|
|
std::string& getBasePath() { return contentBasePath; }
|
|
bool load();
|
|
bool clearCache() const;
|
|
void setupCacheDir() const;
|
|
const std::string& getCachePath() const;
|
|
const std::string& getPath() const;
|
|
const std::string& getTitle() const;
|
|
const std::string& getCoverImageItem() const;
|
|
uint8_t* readItemContentsToBytes(const std::string& itemHref, size_t* size = nullptr,
|
|
bool trailingNullByte = false) const;
|
|
bool readItemContentsToStream(const std::string& itemHref, Print& out, size_t chunkSize) const;
|
|
bool getItemSize(const std::string& itemHref, size_t* size) const;
|
|
std::string& getSpineItem(int spineIndex);
|
|
int getSpineItemsCount() const;
|
|
size_t getCumulativeSpineItemSize(const int spineIndex) const;
|
|
EpubTocEntry& getTocItem(int tocIndex);
|
|
int getTocItemsCount() const;
|
|
int getSpineIndexForTocIndex(int tocIndex) const;
|
|
int getTocIndexForSpineIndex(int spineIndex) const;
|
|
|
|
size_t getBookSize() const;
|
|
uint8_t calculateProgress(const int currentSpineIndex, const float currentSpineRead);
|
|
};
|