Use explicit uint32_t in BookMetadataCache and Section file handling

This commit is contained in:
Dave Allie 2025-12-30 15:58:16 +11:00
parent fd6373c128
commit 4fa5772572
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GPG Key ID: F2FDDB3AD8D0276F
4 changed files with 36 additions and 36 deletions

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@ -85,12 +85,12 @@ bool BookMetadataCache::buildBookBin(const std::string& epubPath, const BookMeta
return false;
}
constexpr size_t headerASize =
sizeof(BOOK_CACHE_VERSION) + /* LUT Offset */ sizeof(size_t) + sizeof(spineCount) + sizeof(tocCount);
const size_t metadataSize =
constexpr uint32_t headerASize =
sizeof(BOOK_CACHE_VERSION) + /* LUT Offset */ sizeof(uint32_t) + sizeof(spineCount) + sizeof(tocCount);
const uint32_t metadataSize =
metadata.title.size() + metadata.author.size() + metadata.coverItemHref.size() + sizeof(uint32_t) * 3;
const size_t lutSize = sizeof(size_t) * spineCount + sizeof(size_t) * tocCount;
const size_t lutOffset = headerASize + metadataSize;
const uint32_t lutSize = sizeof(uint32_t) * spineCount + sizeof(uint32_t) * tocCount;
const uint32_t lutOffset = headerASize + metadataSize;
// Header A
serialization::writePod(bookFile, BOOK_CACHE_VERSION);
@ -105,7 +105,7 @@ bool BookMetadataCache::buildBookBin(const std::string& epubPath, const BookMeta
// Loop through spine entries, writing LUT positions
spineFile.seek(0);
for (int i = 0; i < spineCount; i++) {
auto pos = spineFile.position();
uint32_t pos = spineFile.position();
auto spineEntry = readSpineEntry(spineFile);
serialization::writePod(bookFile, pos + lutOffset + lutSize);
}
@ -113,9 +113,9 @@ bool BookMetadataCache::buildBookBin(const std::string& epubPath, const BookMeta
// Loop through toc entries, writing LUT positions
tocFile.seek(0);
for (int i = 0; i < tocCount; i++) {
auto pos = tocFile.position();
uint32_t pos = tocFile.position();
auto tocEntry = readTocEntry(tocFile);
serialization::writePod(bookFile, pos + lutOffset + lutSize + spineFile.position());
serialization::writePod(bookFile, pos + lutOffset + lutSize + static_cast<uint32_t>(spineFile.position()));
}
// LUTs complete
@ -141,7 +141,7 @@ bool BookMetadataCache::buildBookBin(const std::string& epubPath, const BookMeta
zip.close();
return false;
}
size_t cumSize = 0;
uint32_t cumSize = 0;
spineFile.seek(0);
for (int i = 0; i < spineCount; i++) {
auto spineEntry = readSpineEntry(spineFile);
@ -203,16 +203,16 @@ bool BookMetadataCache::cleanupTmpFiles() const {
return true;
}
size_t BookMetadataCache::writeSpineEntry(FsFile& file, const SpineEntry& entry) const {
const auto pos = file.position();
uint32_t BookMetadataCache::writeSpineEntry(FsFile& file, const SpineEntry& entry) const {
const uint32_t pos = file.position();
serialization::writeString(file, entry.href);
serialization::writePod(file, entry.cumulativeSize);
serialization::writePod(file, entry.tocIndex);
return pos;
}
size_t BookMetadataCache::writeTocEntry(FsFile& file, const TocEntry& entry) const {
const auto pos = file.position();
uint32_t BookMetadataCache::writeTocEntry(FsFile& file, const TocEntry& entry) const {
const uint32_t pos = file.position();
serialization::writeString(file, entry.title);
serialization::writeString(file, entry.href);
serialization::writeString(file, entry.anchor);
@ -303,8 +303,8 @@ BookMetadataCache::SpineEntry BookMetadataCache::getSpineEntry(const int index)
}
// Seek to spine LUT item, read from LUT and get out data
bookFile.seek(lutOffset + sizeof(size_t) * index);
size_t spineEntryPos;
bookFile.seek(lutOffset + sizeof(uint32_t) * index);
uint32_t spineEntryPos;
serialization::readPod(bookFile, spineEntryPos);
bookFile.seek(spineEntryPos);
return readSpineEntry(bookFile);
@ -322,8 +322,8 @@ BookMetadataCache::TocEntry BookMetadataCache::getTocEntry(const int index) {
}
// Seek to TOC LUT item, read from LUT and get out data
bookFile.seek(lutOffset + sizeof(size_t) * spineCount + sizeof(size_t) * index);
size_t tocEntryPos;
bookFile.seek(lutOffset + sizeof(uint32_t) * spineCount + sizeof(uint32_t) * index);
uint32_t tocEntryPos;
serialization::readPod(bookFile, tocEntryPos);
bookFile.seek(tocEntryPos);
return readTocEntry(bookFile);

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@ -51,8 +51,8 @@ class BookMetadataCache {
FsFile spineFile;
FsFile tocFile;
size_t writeSpineEntry(FsFile& file, const SpineEntry& entry) const;
size_t writeTocEntry(FsFile& file, const TocEntry& entry) const;
uint32_t writeSpineEntry(FsFile& file, const SpineEntry& entry) const;
uint32_t writeTocEntry(FsFile& file, const TocEntry& entry) const;
SpineEntry readSpineEntry(FsFile& file) const;
TocEntry readTocEntry(FsFile& file) const;

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@ -8,17 +8,17 @@
namespace {
constexpr uint8_t SECTION_FILE_VERSION = 7;
constexpr size_t HEADER_SIZE = sizeof(uint8_t) + sizeof(int) + sizeof(float) + sizeof(bool) + sizeof(int) +
sizeof(int) + sizeof(int) + sizeof(size_t);
constexpr uint32_t HEADER_SIZE = sizeof(uint8_t) + sizeof(int) + sizeof(float) + sizeof(bool) + sizeof(int) +
sizeof(int) + sizeof(int) + sizeof(uint32_t);
} // namespace
size_t Section::onPageComplete(std::unique_ptr<Page> page) {
uint32_t Section::onPageComplete(std::unique_ptr<Page> page) {
if (!file) {
Serial.printf("[%lu] [SCT] File not open for writing page %d\n", millis(), pageCount);
return 0;
}
const auto position = file.position();
const uint32_t position = file.position();
if (!page->serialize(file)) {
Serial.printf("[%lu] [SCT] Failed to serialize page %d\n", millis(), pageCount);
return 0;
@ -37,7 +37,7 @@ void Section::writeSectionFileHeader(const int fontId, const float lineCompressi
}
static_assert(HEADER_SIZE == sizeof(SECTION_FILE_VERSION) + sizeof(fontId) + sizeof(lineCompression) +
sizeof(extraParagraphSpacing) + sizeof(viewportWidth) + sizeof(viewportHeight) +
sizeof(pageCount) + sizeof(size_t),
sizeof(pageCount) + sizeof(uint32_t),
"Header size mismatch");
serialization::writePod(file, SECTION_FILE_VERSION);
serialization::writePod(file, fontId);
@ -46,7 +46,7 @@ void Section::writeSectionFileHeader(const int fontId, const float lineCompressi
serialization::writePod(file, viewportWidth);
serialization::writePod(file, viewportHeight);
serialization::writePod(file, pageCount); // Placeholder for page count (will be initially 0 when written)
serialization::writePod(file, static_cast<size_t>(0)); // Placeholder for LUT offset
serialization::writePod(file, static_cast<uint32_t>(0)); // Placeholder for LUT offset
}
bool Section::loadSectionFile(const int fontId, const float lineCompression, const bool extraParagraphSpacing,
@ -111,13 +111,13 @@ bool Section::createSectionFile(const int fontId, const float lineCompression, c
const int viewportWidth, const int viewportHeight,
const std::function<void()>& progressSetupFn,
const std::function<void(int)>& progressFn) {
constexpr size_t MIN_SIZE_FOR_PROGRESS = 50 * 1024; // 50KB
constexpr uint32_t MIN_SIZE_FOR_PROGRESS = 50 * 1024; // 50KB
const auto localPath = epub->getSpineItem(spineIndex).href;
const auto tmpHtmlPath = epub->getCachePath() + "/.tmp_" + std::to_string(spineIndex) + ".html";
// Retry logic for SD card timing issues
bool success = false;
size_t fileSize = 0;
uint32_t fileSize = 0;
for (int attempt = 0; attempt < 3 && !success; attempt++) {
if (attempt > 0) {
Serial.printf("[%lu] [SCT] Retrying stream (attempt %d)...\n", millis(), attempt + 1);
@ -160,7 +160,7 @@ bool Section::createSectionFile(const int fontId, const float lineCompression, c
return false;
}
writeSectionFileHeader(fontId, lineCompression, extraParagraphSpacing, viewportWidth, viewportHeight);
std::vector<size_t> lut = {};
std::vector<uint32_t> lut = {};
ChapterHtmlSlimParser visitor(
tmpHtmlPath, renderer, fontId, lineCompression, extraParagraphSpacing, viewportWidth, viewportHeight,
@ -176,10 +176,10 @@ bool Section::createSectionFile(const int fontId, const float lineCompression, c
return false;
}
const auto lutOffset = file.position();
const uint32_t lutOffset = file.position();
bool hasFailedLutRecords = false;
// Write LUT
for (const auto& pos : lut) {
for (const uint32_t& pos : lut) {
if (pos == 0) {
hasFailedLutRecords = true;
break;
@ -195,7 +195,7 @@ bool Section::createSectionFile(const int fontId, const float lineCompression, c
}
// Go back and write LUT offset
file.seek(HEADER_SIZE - sizeof(size_t) - sizeof(pageCount));
file.seek(HEADER_SIZE - sizeof(uint32_t) - sizeof(pageCount));
serialization::writePod(file, pageCount);
serialization::writePod(file, lutOffset);
file.close();
@ -207,11 +207,11 @@ std::unique_ptr<Page> Section::loadPageFromSectionFile() {
return nullptr;
}
file.seek(HEADER_SIZE - sizeof(size_t));
size_t lutOffset;
file.seek(HEADER_SIZE - sizeof(uint32_t));
uint32_t lutOffset;
serialization::readPod(file, lutOffset);
file.seek(lutOffset + sizeof(size_t) * currentPage);
size_t pagePos;
file.seek(lutOffset + sizeof(uint32_t) * currentPage);
uint32_t pagePos;
serialization::readPod(file, pagePos);
file.seek(pagePos);

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@ -16,7 +16,7 @@ class Section {
void writeSectionFileHeader(int fontId, float lineCompression, bool extraParagraphSpacing, int viewportWidth,
int viewportHeight);
size_t onPageComplete(std::unique_ptr<Page> page);
uint32_t onPageComplete(std::unique_ptr<Page> page);
public:
int pageCount = 0;