cottongin/crosspoint-reader
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fixed

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cottongin 2026-01-24 21:10:08 -05:00
parent 6bedc4ffec
commit 2b2bc95cf2
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2 changed files with 26 additions and 5 deletions
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18
lib/Epub/Epub/Section.cpp
View File

@ -193,10 +193,20 @@ bool Section::createSectionFile(const int fontId, const float lineCompression, c
SdMan.remove(tmpHtmlPath.c_str()); SdMan.remove(tmpHtmlPath.c_str());
if (!success) { if (!success) {
Serial.printf("[%lu] [SCT] Failed to parse XML and build pages\n", millis()); Serial.printf("[%lu] [SCT] Failed to parse XML, creating placeholder page for chapter\n", millis());
file.close(); // Create a placeholder page for malformed chapters instead of failing entirely
SdMan.remove(filePath.c_str()); // This allows the book to continue loading with chapters that do parse successfully
return false; auto placeholderPage = std::unique_ptr<Page>(new Page());
// Add placeholder to LUT
lut.emplace_back(this->onPageComplete(std::move(placeholderPage)));
// If we still have no pages, the placeholder creation failed
if (pageCount == 0) {
Serial.printf("[%lu] [SCT] Failed to create placeholder page\n", millis());
file.close();
SdMan.remove(filePath.c_str());
return false;
}
} }
const uint32_t lutOffset = file.position(); const uint32_t lutOffset = file.position();

13
src/activities/reader/EpubReaderActivity.cpp
View File

@ -480,7 +480,7 @@ void EpubReaderActivity::renderScreen() {
renderer.displayBuffer(EInkDisplay::FAST_REFRESH); renderer.displayBuffer(EInkDisplay::FAST_REFRESH);
}; };
if (!section->createSectionFile(SETTINGS.getReaderFontId(), SETTINGS.getReaderLineCompression(), if (!section->createSectionFile(SETTINGS.getReaderFontId(), SETTINGS.getReaderLineCompression(),
SETTINGS.extraParagraphSpacing, SETTINGS.paragraphAlignment, viewportWidth, SETTINGS.extraParagraphSpacing, SETTINGS.paragraphAlignment, viewportWidth,
viewportHeight, SETTINGS.hyphenationEnabled, progressSetup, progressCallback)) { viewportHeight, SETTINGS.hyphenationEnabled, progressSetup, progressCallback)) {
Serial.printf("[%lu] [ERS] Failed to persist page data to SD\n", millis()); Serial.printf("[%lu] [ERS] Failed to persist page data to SD\n", millis());
@ -524,6 +524,17 @@ void EpubReaderActivity::renderScreen() {
section.reset(); section.reset();
return renderScreen(); return renderScreen();
} }
// Handle empty pages (e.g., from malformed chapters that couldn't be parsed)
if (p->elements.empty()) {
Serial.printf("[%lu] [ERS] Page has no content (possibly malformed chapter)\n", millis());
renderer.drawCenteredText(UI_12_FONT_ID, 280, "Chapter content unavailable", true, EpdFontFamily::BOLD);
renderer.drawCenteredText(UI_10_FONT_ID, 320, "(File may be malformed)");
renderStatusBar(orientedMarginRight, orientedMarginBottom, orientedMarginLeft);
renderer.displayBuffer();
return;
}
const auto start = millis(); const auto start = millis();
renderContents(std::move(p), orientedMarginTop, orientedMarginRight, orientedMarginBottom, orientedMarginLeft); renderContents(std::move(p), orientedMarginTop, orientedMarginRight, orientedMarginBottom, orientedMarginLeft);
Serial.printf("[%lu] [ERS] Rendered page in %dms\n", millis(), millis() - start); Serial.printf("[%lu] [ERS] Rendered page in %dms\n", millis(), millis() - start);