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Added logic to parse the guide section of the Content Opf.

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This commit is contained in:
Jonas Diemer 2025-12-29 14:51:33 +01:00
parent b01eb50325
commit 1e59aa6d5d
2 changed files with 42 additions and 0 deletions
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41
lib/Epub/Epub/parsers/ContentOpfParser.cpp
View File

@ -122,6 +122,18 @@ void XMLCALL ContentOpfParser::startElement(void* userData, const XML_Char* name
return; return;
} }
if (self->state == IN_PACKAGE && (strcmp(name, "guide") == 0 || strcmp(name, "opf:guide") == 0)) {
self->state = IN_GUIDE;
// TODO Remove print
Serial.printf("[%lu] [COF] Entering guide state.\n", millis());
if (!FsHelpers::openFileForRead("COF", self->cachePath + itemCacheFile, self->tempItemStore)) {
Serial.printf(
"[%lu] [COF] Couldn't open temp items file for reading. This is probably going to be a fatal error.\n",
millis());
}
return;
}
if (self->state == IN_METADATA && (strcmp(name, "meta") == 0 || strcmp(name, "opf:meta") == 0)) { if (self->state == IN_METADATA && (strcmp(name, "meta") == 0 || strcmp(name, "opf:meta") == 0)) {
bool isCover = false; bool isCover = false;
std::string coverItemId; std::string coverItemId;
@ -200,6 +212,29 @@ void XMLCALL ContentOpfParser::startElement(void* userData, const XML_Char* name
return; return;
} }
} }
// parse the guide
if (self->state == IN_GUIDE && (strcmp(name, "reference") == 0 || strcmp(name, "opf:reference") == 0)) {
std::string type;
std::string textHref;
for (int i = 0; atts[i]; i += 2) {
if (strcmp(atts[i], "type") == 0) {
type = atts[i + 1];
if (type == "text") {
continue;
} else {
Serial.printf("[%lu] [COF] Skipping non-text reference in guide: %s\n", millis(), type.c_str());
break;
}
} else if (strcmp(atts[i], "href") == 0) {
textHref = atts[i + 1];
}
}
if ((type == "text") && (textHref.length() > 0)) {
Serial.printf("[%lu] [COF] Found text reference in guide: %s.\n", millis(), textHref.c_str());
// TODO: now this has to become the chapter we display
}
return;
}
} }
void XMLCALL ContentOpfParser::characterData(void* userData, const XML_Char* s, const int len) { void XMLCALL ContentOpfParser::characterData(void* userData, const XML_Char* s, const int len) {
@ -221,6 +256,12 @@ void XMLCALL ContentOpfParser::endElement(void* userData, const XML_Char* name)
return; return;
} }
if (self->state == IN_GUIDE && (strcmp(name, "guide") == 0 || strcmp(name, "opf:guide") == 0)) {
self->state = IN_PACKAGE;
self->tempItemStore.close();
return;
}
if (self->state == IN_MANIFEST && (strcmp(name, "manifest") == 0 || strcmp(name, "opf:manifest") == 0)) { if (self->state == IN_MANIFEST && (strcmp(name, "manifest") == 0 || strcmp(name, "opf:manifest") == 0)) {
self->state = IN_PACKAGE; self->state = IN_PACKAGE;
self->tempItemStore.close(); self->tempItemStore.close();

1
lib/Epub/Epub/parsers/ContentOpfParser.h
View File

@ -14,6 +14,7 @@ class ContentOpfParser final : public Print {
IN_BOOK_TITLE, IN_BOOK_TITLE,
IN_MANIFEST, IN_MANIFEST,
IN_SPINE, IN_SPINE,
IN_GUIDE,
}; };
const std::string& cachePath; const std::string& cachePath;