Fix/suppress plethora of integer conversion warnings on x64 Visual Studio build.

src/ifcparse/IfcCharacterDecoder.cpp

@@ -135,7 +135,7 @@ IfcCharacterDecoder::operator std::string() {
 #ifdef HAVE_ICU
 			if ( previous_codepage != codepage ) {
 				if ( converter ) ucnv_close(converter);
-				char encoder[11] = {'i','s','o','-','8','8','5','9','-',codepage + 0x30};
+				char encoder[11] = {'i','s','o','-','8','8','5','9','-', (char)codepage + 0x30};
 				converter = ucnv_open(encoder, &status);
 			}
 			const char characters[2] = { current_char + 0x80 };
@@ -188,7 +188,7 @@ IfcCharacterDecoder::operator std::string() {
 						if (old_hex == 0) {
 							old_hex = hex;
 						} else {
-							char characters[3] = { old_hex, hex };
+							char characters[3] = { (char)old_hex, (char)hex };
 							const char* char_array = &characters[0];
 							UChar32 ch = ucnv_getNextUChar(compatibility_converter,&char_array,char_array+2,&status);
 							addChar(s,ch);

src/ifcparse/IfcEntityDescriptor.h

@@ -48,7 +48,7 @@ namespace IfcUtil {
 		std::pair<const char*, int> getIndex(const std::string& value) const {
 			std::vector<std::string>::const_iterator it = std::find(values.begin(), values.end(), value);
 			if (it != values.end()) {
-				return std::make_pair(it->c_str(), std::distance(it, values.begin()));
+				return std::make_pair(it->c_str(), (int)std::distance(it, values.begin()));
 			} else {
 				throw IfcParse::IfcException("Invalid enumeration value");
 			}
@@ -91,7 +91,7 @@ namespace IfcUtil {
 			arguments.push_back(IfcArgumentDescriptor(name, optional, argument_type, data_type));
 		}
 		unsigned getArgumentCount() const {
-			return (parent ? parent->getArgumentCount() : 0) + arguments.size();
+			return (parent ? parent->getArgumentCount() : 0) + (unsigned)arguments.size();
 		}
 		const std::string& getArgumentName(unsigned i) const {
 			const unsigned a = argument_start();

src/ifcparse/IfcGlobalId.cpp

@@ -52,7 +52,7 @@ unsigned from_base64(const std::string& s) {
 			r *= 64;
 			const char* c = strchr(chars,*i);
 			if ( !c ) throw IfcParse::IfcException("Failed to decode GlobalId");
-			r += (c-chars);
+			r += (unsigned)(c-chars);
 		}
 	return r;
 }

src/ifcparse/IfcParse.cpp

@@ -467,7 +467,7 @@ boost::dynamic_bitset<> TokenFunc::asBinary(const Token& t) {
 	}
 
 	++it;
-	unsigned i = (str.size()-1) * 4 - n;
+	unsigned i = ((unsigned)str.size()-1) * 4 - n;
 	boost::dynamic_bitset<> bitset(i);	
 
 	for(; it != str.end(); ++it) {

src/ifcparse/IfcUtil.h

@@ -187,11 +187,11 @@ public:
 	}
 	outer_it begin() const { return ls.begin(); }
 	outer_it end() const { return ls.end(); }
-	int size() const { return ls.size(); }
+	int size() const { return (int)ls.size(); }
 	int totalSize() const { 
 		int accum = 0; 
 		for (outer_it it = begin(); it != end(); ++it) { 
-			accum += it->size(); 
+			accum += (int)it->size(); 
 		} 
 		return accum; 
 	}

src/ifcparse/IfcWrite.cpp

@@ -84,7 +84,7 @@ Argument* IfcWritableEntity::getArgument (unsigned int i) {
 	}
 	return args[i];
 }
-unsigned int IfcWritableEntity::getArgumentCount() const {return args.size(); }
+unsigned int IfcWritableEntity::getArgumentCount() const { return (unsigned)args.size(); }
 IfcSchema::Type::Enum IfcWritableEntity::type() const { return _type; }
 bool IfcWritableEntity::is(IfcSchema::Type::Enum v) const { return _type == v; }
 std::string IfcWritableEntity::toString(bool upper) const {
@@ -298,12 +298,12 @@ public:
 	int operator()(const double& i) const { return -1; }
 	int operator()(const std::string& i) const { return -1; }
 	int operator()(const boost::dynamic_bitset<>& i) const { return -1; }
-	int operator()(const std::vector<int>& i) const { return i.size(); }
-	int operator()(const std::vector<double>& i) const { return i.size(); }
-	int operator()(const std::vector< std::vector<int> >& i) const { return i.size(); }
-	int operator()(const std::vector< std::vector<double> >& i) const { return i.size(); }
-	int operator()(const std::vector<std::string>& i) const { return i.size(); }
-	int operator()(const std::vector< boost::dynamic_bitset<> >& i) const { return i.size(); }
+	int operator()(const std::vector<int>& i) const { return (int)i.size(); }
+	int operator()(const std::vector<double>& i) const { return (int)i.size(); }
+	int operator()(const std::vector< std::vector<int> >& i) const { return (int)i.size(); }
+	int operator()(const std::vector< std::vector<double> >& i) const { return (int)i.size(); }
+	int operator()(const std::vector<std::string>& i) const { return (int)i.size(); }
+	int operator()(const std::vector< boost::dynamic_bitset<> >& i) const { return (int)i.size(); }
 	int operator()(const IfcWriteArgument::EnumerationReference& i) const { return -1; }
 	int operator()(const IfcUtil::IfcBaseClass* const& i) const { return -1; }
 	int operator()(const IfcEntityList::ptr& i) const { return i->size(); }
@@ -351,7 +351,7 @@ private:
 		oss.imbue(std::locale::classic());
 		oss.put('"');
 		oss << std::hex << std::setw(1);
-		unsigned c = b.size();
+		unsigned c = (unsigned)b.size();
 		unsigned n = (4 - (c % 4)) & 3;
 		oss << n;
 		for (unsigned i = 0; i < c + n;) {