Prettify some code

Author: lucafabbian

libhdt/src/bitsequence/BitSequence375.cpp

@@ -158,16 +158,20 @@ void BitSequence375::set(const size_t i, bool val) {
 	}
 	if(val) {
 		#ifdef __EMSCRIPTEN__
-		/* EDITED BY @lucafabbian, TODO: check  */
-		fprintf(stderr, "[WARN] Unsafe cast called\n");
+		/* Webassembly size_t differs from the one of
+		other architectures.
+		EDITED BY @lucafabbian, TODO: check  */
+		// fprintf(stderr, "[WARN] Unsafe cast called\n");
 		bitset((uint64_t*) &array[0], i);
 		#else
 		bitset(&array[0], i);
 		#endif
 	} else {
 		#ifdef __EMSCRIPTEN__
-		/* EDITED BY @lucafabbian,  TODO: check */
-		fprintf(stderr, "[WARN] Unsafe cast called\n");
+		/* Webassembly size_t differs from the one of
+		other architectures.
+		EDITED BY @lucafabbian,  TODO: check */
+		// fprintf(stderr, "[WARN] Unsafe cast called\n");
 		bitclean((uint64_t*)&array[0], i);
 		#else
 		bitclean(&array[0], i);
@@ -186,8 +190,10 @@ void BitSequence375::append(bool bit) {
 bool BitSequence375::access(const size_t i) const
 {
 	#ifdef __EMSCRIPTEN__
-	/* EDITED BY @lucafabbian, TODO: check */
-	fprintf(stderr, "[WARN] Unsafe cast called\n");
+	/* Webassembly size_t differs from the one of
+	other architectures.
+	EDITED BY @lucafabbian, TODO: check */
+	//fprintf(stderr, "[WARN] Unsafe cast called\n");
 	return bitget((uint64_t*)array, i);
 	#else
 	return bitget(array, i);

libhdt/src/hdt/BasicModifiableHDT.cpp

@@ -28,13 +28,10 @@ BasicModifiableHDT::~BasicModifiableHDT() {
 
 void BasicModifiableHDT::createComponents() {
 	#ifndef __EMSCRIPTEN__
-	try{
+	try {
 		std::string dictType = spec.get("dictionary.type");
 		std::string triplesType = spec.get("triples.type");
-	}
-	 catch (std::exception& e)
-	  {
-	  }
+	}catch (std::exception& e){ }
 
 	#endif
 

libhdt/src/hdt/HDTSpecification.cpp

@@ -66,8 +66,24 @@ const std::string& HDTSpecification::get(const std::string& key) {
 const std::string emptyString = "";
 
 const std::string& HDTSpecification::getOrEmpty(const std::string& key) {
-	if(map.count(key) == 0) return emptyString;
-	return map.at(key);
+
+	/* Webassembly does not play nice with C++ 
+	
+	https://emscripten.org/docs/porting/exceptions.html
+	https://stackoverflow.com/questions/69608789/c-exception-to-exception-less
+	
+	*/
+	#ifdef __EMSCRIPTEN__
+	auto it = map.find(key);
+	return it == map.end() ? emptyString : it->second;
+
+	#else
+	try {
+		return map.at(key);
+	}catch (std::exception& e) {
+		return emptyString;
+	}
+	#endif
 }
 
 void HDTSpecification::set(const std::string& key, const std::string& value) {