Add support for [Measure:EscapeUrl] to perform URL encoding

Common/StringUtil.cpp

@@ -75,4 +75,20 @@ void EscapeRegExp(std::wstring& str)
 	}
 }
 
+/*
+** Escapes reserved URL characters.
+*/
+void EscapeUrl(std::wstring& str)
+{
+	size_t pos = 0;
+	while ((pos = str.find_first_of(L" !*'();:@&=+$,/?#[]", pos)) != std::wstring::npos)
+	{
+		WCHAR buffer[3];
+		_snwprintf_s(buffer, _countof(buffer), L"%.2X", str[pos]);
+		str[pos] = L'%';
+		str.insert(pos + 1, buffer);
+		pos += 3;
+	}
+}
+
 }  // namespace StringUtil

Common/StringUtil.h

@@ -38,6 +38,8 @@ inline std::wstring WidenUTF8(const std::string& str) { return Widen(str.c_str()
 
 void EscapeRegExp(std::wstring& str);
 
+void EscapeUrl(std::wstring& str);
+
 }  // namespace StringUtil
 
 #endif

Common/StringUtil_Test.cpp

@@ -46,6 +46,13 @@ public:
 		EscapeRegExp(str);
 		Assert::AreEqual(L"\\\\\\^\\$\\|\\(test\\)\\[\\{\\. ing\\+\\*\\?", str.c_str());
 	}
+
+	TEST_METHOD(TestEscapeUrl)
+	{
+		std::wstring str = L" !*'();:@test&=+$,/?#[ing]";
+		EscapeUrl(str);
+		Assert::AreEqual(L"%20%21%2A%27%28%29%3B%3A%40test%26%3D%2B%24%2C%2F%3F%23%5Bing%5D", str.c_str());
+	}
 };
 
 }  // namespace StringUtil

Library/ConfigParser.cpp

@@ -237,7 +237,8 @@ bool ConfigParser::GetSectionVariable(std::wstring& strVariable, std::wstring& s
 		Percentual,
 		Max,
 		Min,
-		EscapeRegExp
+		EscapeRegExp,
+		EscapeUrl
 	} valueType = ValueType::Raw;
 
 	if (isKeySelector)
@@ -254,6 +255,10 @@ bool ConfigParser::GetSectionVariable(std::wstring& strVariable, std::wstring& s
 		{
 			valueType = ValueType::EscapeRegExp;
 		}
+		else if (_wcsicmp(selectorSz, L"EscapeUrl") == 0)
+		{
+			valueType = ValueType::EscapeUrl;
+		}
 		else
 		{
 			return false;
@@ -299,6 +304,12 @@ bool ConfigParser::GetSectionVariable(std::wstring& strVariable, std::wstring& s
 			StringUtil::EscapeRegExp(strValue);
 			return true;
 		}
+		else if (valueType == ValueType::EscapeUrl)
+		{
+			strValue = measure->GetStringValue();
+			StringUtil::EscapeUrl(strValue);
+			return true;
+		}
 
 		int scale = 1;