Add support CSS color text for class nana::color

source/deploy.cpp

@@ -12,7 +12,8 @@
  */
 
 #include <nana/deploy.hpp>
-
+#include <cstdlib>
+#include <exception>
 #if defined(NANA_WINDOWS)
 	#include <windows.h>
 #elif defined(NANA_LINUX)
@@ -49,6 +50,88 @@ namespace nana
 #endif	
 	}
 
+	int stoi(const std::string& str, std::size_t * pos, int base)
+	{
+#if defined(NANA_MINGW)
+		auto sptr = str.c_str();
+		char *end;
+		errno = 0;
+		auto result = std::strtol(sptr, &end, base);
+
+		if (sptr == end)
+			throw std::invalid_argument("invalid stoi argument");
+		if (errno == ERANGE)
+			throw std::out_of_range("stoi argument out of range");
+
+		if (pos)
+			*pos = (std::size_t)(end - sptr);
+		return ((int)result);
+#else
+		return std::stoi(str, pos, base);
+#endif
+	}
+
+	int stoi(const std::wstring& str, std::size_t* pos, int base)
+	{
+#if defined(NANA_MINGW)
+		auto sptr = str.data();
+		wchar_t *end;
+		errno = 0;
+		auto result = std::wcstol(sptr, &end, base);
+
+		if (sptr == end)
+			throw std::invalid_argument("invalid stoi argument");
+		if (errno == ERANGE)
+			throw std::out_of_range("stoi argument out of range");
+
+		if (pos)
+			*pos = (std::size_t)(end - sptr);
+		return ((int)result);
+#else
+		return std::stoi(str, pos, base);
+#endif
+	}
+
+	double stod(const std::string& str, std::size_t * pos)
+	{
+#ifdef NANA_MINGW
+		auto *ptr = str.data();
+		errno = 0;
+		char *end;
+		auto result = std::strtod(ptr, &end);
+
+		if (ptr == end)
+			throw std::invalid_argument("invalid stod argument");
+		if (errno == ERANGE)
+			throw std::out_of_range("stod argument out of range");
+		if (pos)
+			*pos = (std::size_t)(end - ptr);
+		return result;
+#else
+		return std::stod(str, pos);
+#endif
+	}
+
+	double stod(const std::wstring& str, std::size_t* pos)
+	{
+#ifdef NANA_MINGW
+		auto *ptr = str.data();
+		errno = 0;
+		wchar_t *end;
+		auto result = std::wcstod(ptr, &end);
+
+		if (ptr == end)
+			throw std::invalid_argument("invalid stod argument");
+		if (errno == ERANGE)
+			throw std::out_of_range("stod argument out of range");
+		if (pos)
+			*pos = (std::size_t)(end - ptr);
+		return result;
+#else
+		return std::stod(str, pos);
+#endif
+	}
+
 	bool is_incomplete(const nana::string& str, unsigned pos)
 	{
 #ifndef NANA_UNICODE