X-Git-Url: http://Server1/repobrowser/?a=blobdiff_plain;f=source%2Fcommon%2Ftext.cpp;h=d223993cb34bc556b343f2213df0d9369e7511a8;hb=ae6657a9d645df0ffbbf7ddac8535b794f98b266;hp=df64411c7b6f59ab23a1b6ece14d0737df441f37;hpb=42cc19d39aad2a362b878f7e56a0ebb7cf94bd4c;p=xestiacalendar%2F.git

diff --git a/source/common/text.cpp b/source/common/text.cpp
index df64411..d223993 100644
--- a/source/common/text.cpp
+++ b/source/common/text.cpp
@@ -185,4 +185,75 @@ PropertyNameValue SplitNameValue(string InputData){
 	
 	return FinalNameValue;
 	
+}
+
+bool HexToInt(std::string *HexString, int *Number){
+	
+	// Check that each character in the string is a number
+	// or a letter (a-f/A-F).
+	
+	char Char = 0;
+	int CharNum = 0;
+	
+	for (int CharSeek = 0; 
+		CharSeek < HexString->size(); CharSeek++){
+		
+		// Check if character is a number (0-9).
+			
+		Char = HexString->at(CharSeek);
+		CharNum = Char;
+			
+		if (CharNum >= 48 &&
+			CharNum <= 57){
+		
+			continue;
+				
+		}
+		
+		// Check if character is a letter (A-F)
+		
+		if (CharNum >= 65 &&
+			CharNum <= 70){
+		
+			continue;
+				
+		}
+		
+		// Check if character is a letter (a-f).
+
+		if (CharNum >= 97 &&
+			CharNum <= 102){
+		
+			continue;
+				
+		}
+		
+		// Exit from subroutine as character is invalid.
+		
+		return false;
+		
+	}
+	
+	// Convert a Hex value that is in string to integer.
+	
+	try {
+	
+		*Number = stoi((*HexString), nullptr, 16);
+	
+	}
+	
+	catch (const std::invalid_argument &err){
+		
+		return false;
+		
+	}
+	
+	catch (const std::out_of_range &err){
+		
+		return false;
+		
+	}
+	
+	return true;
+	
 }
\ No newline at end of file