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feat: Add EPUB table omitted placeholder (#372)

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## Summary

* **What is the goal of this PR?**: Fix the bug I reported in
https://github.com/daveallie/crosspoint-reader/issues/292
* **What changes are included?**: Instead of silently dropping table
content in EPUBs., replace with an italicized '[Table omitted]' message
where tables appear.

## Additional Context

* Add any other information that might be helpful for the reviewer
(e.g., performance implications, potential risks,
  specific areas to focus on).

---

### AI Usage

While CrossPoint doesn't have restrictions on AI tools in contributing,
please be transparent about their usage as it
helps set the right context for reviewers.

Did you use AI tools to help write this code? _**PARTIALLY **_

---------

Co-authored-by: Evan Fenner <evan@evanfenner.com>
Co-authored-by: Warp <agent@warp.dev>
This commit is contained in:
efenner 2026-01-15 05:14:59 -07:00 committed by GitHub
parent 56ec3dfb6d
commit d45f355e87
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1 changed files with 15 additions and 1 deletions
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16
lib/Epub/Epub/parsers/ChapterHtmlSlimParser.cpp
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@ -25,7 +25,7 @@ constexpr int NUM_ITALIC_TAGS = sizeof(ITALIC_TAGS) / sizeof(ITALIC_TAGS[0]);
const char* IMAGE_TAGS[] = {"img"}; const char* IMAGE_TAGS[] = {"img"};
constexpr int NUM_IMAGE_TAGS = sizeof(IMAGE_TAGS) / sizeof(IMAGE_TAGS[0]); constexpr int NUM_IMAGE_TAGS = sizeof(IMAGE_TAGS) / sizeof(IMAGE_TAGS[0]);
const char* SKIP_TAGS[] = {"head", "table"}; const char* SKIP_TAGS[] = {"head"};
constexpr int NUM_SKIP_TAGS = sizeof(SKIP_TAGS) / sizeof(SKIP_TAGS[0]); constexpr int NUM_SKIP_TAGS = sizeof(SKIP_TAGS) / sizeof(SKIP_TAGS[0]);
bool isWhitespace(const char c) { return c == ' ' || c == '\r' || c == '\n' || c == '\t'; } bool isWhitespace(const char c) { return c == ' ' || c == '\r' || c == '\n' || c == '\t'; }
@ -63,6 +63,20 @@ void XMLCALL ChapterHtmlSlimParser::startElement(void* userData, const XML_Char*
return; return;
} }
// Special handling for tables - show placeholder text instead of dropping silently
if (strcmp(name, "table") == 0) {
// Add placeholder text
self->startNewTextBlock(TextBlock::CENTER_ALIGN);
if (self->currentTextBlock) {
self->currentTextBlock->addWord("[Table omitted]", EpdFontFamily::ITALIC);
}
// Skip table contents
self->skipUntilDepth = self->depth;
self->depth += 1;
return;
}
if (matches(name, IMAGE_TAGS, NUM_IMAGE_TAGS)) { if (matches(name, IMAGE_TAGS, NUM_IMAGE_TAGS)) {
// TODO: Start processing image tags // TODO: Start processing image tags
self->skipUntilDepth = self->depth; self->skipUntilDepth = self->depth;