1 files changed, 22 insertions, 0 deletions

diff --git a/src/FurnaceRecipe.h b/src/FurnaceRecipe.h
index 2f91e9bcb..e0222f2fb 100644
--- a/src/FurnaceRecipe.h
+++ b/src/FurnaceRecipe.h
@@ -41,6 +41,28 @@ public:
 private:
 	void ClearRecipes(void);
 
+	/** PrintFs the line, position, and error into an error string */
+	inline static void SetParseError(AString & a_ErrorString, unsigned int a_Line, size_t a_Position, const AString & a_CharactersMissing);
+
+	/** Reads a number from a string given, starting at a given position and ending at a delimiter given
+	Updates beginning position to the delimiter found + 1, and updates the value to the one read
+	If it encounters a substring that is not fully numeric, it will call SetParseError() and return false; the caller should abort processing
+	Otherwise, the function will return true
+	*/
+	static bool ReadMandatoryNumber(AString::size_type & a_Begin, const AString & a_Delimiter, const AString & a_Text, AString & a_ErrorString, unsigned int a_Line, int & a_Value, bool a_IsLastValue = false);
+
+	/** Reads two numbers from a string given, starting at a given position and ending at the first delimiter given, then again (with an updated position) until the second delimiter given
+	Updates beginning position to the second delimiter found + 1, and updates the values to the ones read
+	If it encounters a substring that is not fully numeric whilst reading the second value, it will call SetParseError() and return false; the caller should abort processing
+	If this happens whilst reading the first value, it will call ReadMandatoryNumber() with the appropriate position, as this may legitimately occur with the optional value and AString::find_first_of finding the incorrect delimiter. It will return the result of ReadMandatoryNumber()
+	True will be returned definitively for an optional value that is valid
+	*/
+	static bool ReadOptionalNumbers(AString::size_type & a_Begin, const AString & a_DelimiterOne, const AString & a_DelimiterTwo, const AString & a_Text, AString & a_ErrorString, unsigned int a_Line, int & a_ValueOne, int & a_ValueTwo, bool a_IsLastValue = false);
+
+	/** Uses std::all_of to determine if a string contains only digits */
+	inline static bool DoesStringContainOnlyNumbers(const AString & a_String);
+
+
 	struct sFurnaceRecipeState;
 	sFurnaceRecipeState * m_pState;
 };