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Fix index build for literal "\"^^"@en #371

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Mar 23, 2021
Merged

Fix index build for literal "\"^^"@en #371

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9 changes: 6 additions & 3 deletions src/util/Conversions.h
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Original file line number Diff line number Diff line change
Expand Up @@ -604,9 +604,12 @@ inline string removeLeadingZeros(const string& orig) {

// _____________________________________________________________________________
bool isXsdValue(const string& val) {
// starting the search for "^^ at position 1 makes sure it's not in the
// quotes as we already checked that the first char is the first quote
return !val.empty() && val[0] == '\"' && val.find("\"^^", 1) != string::npos;
// Search for the last quote and check if it is followed by ^^.
// NOTE: searching for "^^ starting at position 1 (as done previously) fails
// for literal "\"^^"@en (which is contained in the RDF dump of DBpedia).
size_t posLastQuote = val.rfind("\"");
return !val.empty() && val[0] == '\"' && posLastQuote > 0 &&
val.find("^^", posLastQuote) != string::npos;
}

// _____________________________________________________________________________
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