// StringUtils.h // Interfaces to various string helper functions #pragma once #include #include typedef std::string AString; typedef std::vector AStringVector; typedef std::list AStringList; /** Add the formated string to the existing data in the string. Returns a_Dst. */ extern AString & AppendVPrintf(AString & a_Dst, const char * format, va_list args) FORMATSTRING(2, 0); /** Output the formatted text into the string. Returns a_Dst. */ extern AString & Printf (AString & a_Dst, const char * format, ...) FORMATSTRING(2, 3); /** Output the formatted text into string Returns the formatted string by value. */ extern AString Printf(const char * format, ...) FORMATSTRING(1, 2); /** Add the formatted string to the existing data in the string. Returns a_Dst */ extern AString & AppendPrintf (AString & a_Dst, const char * format, ...) FORMATSTRING(2, 3); /** Split the string at any of the listed delimiters. Return the splitted strings as a stringvector. */ extern AStringVector StringSplit(const AString & str, const AString & delim); /** Split the string at any of the listed delimiters. Keeps quoted content together Resolves issue #490 Return the splitted strings as a stringvector. */ extern AStringVector StringSplitWithQuotes(const AString & str, const AString & delim); /** Split the string at any of the listed delimiters and trim each value. Returns the splitted strings as a stringvector. */ extern AStringVector StringSplitAndTrim(const AString & str, const AString & delim); /** Trims whitespace at both ends of the string. Returns a trimmed copy of the original string. */ extern AString TrimString(const AString & str); // tolua_export /** In-place string conversion to uppercase. Returns the same string object. */ extern AString & InPlaceUppercase(AString & s); /** In-place string conversion to lowercase. Returns the same string object. */ extern AString & InPlaceLowercase(AString & s); /** Returns an upper-cased copy of the string */ extern AString StrToUpper(const AString & s); /** Returns a lower-cased copy of the string */ extern AString StrToLower(const AString & s); /** Case-insensitive string comparison. Returns 0 if the strings are the same, <0 if s1 < s2 and >0 if s1 > s2. */ extern int NoCaseCompare(const AString & s1, const AString & s2); // tolua_export /** Case-insensitive string comparison that returns a rating of equal-ness between [0 - s1.length()]. */ extern size_t RateCompareString(const AString & s1, const AString & s2); /** Replaces each occurence of iNeedle in iHayStack with iReplaceWith */ extern void ReplaceString(AString & iHayStack, const AString & iNeedle, const AString & iReplaceWith); // tolua_export /** Converts a stream of BE shorts into UTF-8 string; returns a_UTF8. */ extern AString & RawBEToUTF8(const char * a_RawData, size_t a_NumShorts, AString & a_UTF8); /** Converts a UTF-8 string into a UTF-16 BE string. */ extern AString UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length); /** Creates a nicely formatted HEX dump of the given memory block. Max a_BytesPerLine is 120. */ extern AString & CreateHexDump(AString & a_Out, const void * a_Data, size_t a_Size, size_t a_BytesPerLine); /** Returns a copy of a_Message with all quotes and backslashes escaped by a backslash. */ extern AString EscapeString(const AString & a_Message); // tolua_export /** Removes all control codes used by MC for colors and styles. */ extern AString StripColorCodes(const AString & a_Message); // tolua_export /// URL-Decodes the given string, replacing all "%HH" into the correct characters. Invalid % sequences are left intact extern AString URLDecode(const AString & a_String); // Cannot export to Lua automatically - would generated an extra return value /// Replaces all occurrences of char a_From inside a_String with char a_To. extern AString ReplaceAllCharOccurrences(const AString & a_String, char a_From, char a_To); // Needn't export to Lua, since Lua doesn't have chars anyway /// Decodes a Base64-encoded string into the raw data extern AString Base64Decode(const AString & a_Base64String); // Exported manually due to embedded NULs and extra parameter /// Encodes a string into Base64 extern AString Base64Encode(const AString & a_Input); // Exported manually due to embedded NULs and extra parameter /// Reads two bytes from the specified memory location and interprets them as BigEndian short extern short GetBEShort(const char * a_Mem); /// Reads four bytes from the specified memory location and interprets them as BigEndian int extern int GetBEInt(const char * a_Mem); /// Writes four bytes to the specified memory location so that they interpret as BigEndian int extern void SetBEInt(char * a_Mem, Int32 a_Value); /** Splits a string that has embedded \0 characters, on those characters. a_Output is first cleared and then each separate string is pushed back into a_Output. Returns true if there are at least two strings in a_Output (there was at least one \0 separator). */ extern bool SplitZeroTerminatedStrings(const AString & a_Strings, AStringVector & a_Output); /** Merges the two vectors of strings, removing duplicate entries from the second vector. The resulting vector contains items from a_Strings1 first, then from a_Strings2. The order of items doesn't change, only the duplicates are removed. If a_Strings1 contains duplicates, the result will still contain those duplicates. */ extern AStringVector MergeStringVectors(const AStringVector & a_Strings1, const AStringVector & a_Strings2); /** Concatenates the specified strings into a single string, separated by the specified separator. */ extern AString StringsConcat(const AStringVector & a_Strings, char a_Separator); /** Parses any integer type. Checks bounds and returns errors out of band. */ template bool StringToInteger(const AString & a_str, T & a_Num) { size_t i = 0; bool positive = true; T result = 0; if (a_str[0] == '+') { i++; } else if (a_str[0] == '-') { i++; positive = false; } if (positive) { for (size_t size = a_str.size(); i < size; i++) { if ((a_str[i] < '0') || (a_str[i] > '9')) { return false; } if (std::numeric_limits::max() / 10 < result) { return false; } result *= 10; T digit = static_cast(a_str[i] - '0'); if (std::numeric_limits::max() - digit < result) { return false; } result += digit; } } else { // Unsigned result cannot be signed! if (!std::numeric_limits::is_signed) { return false; } for (size_t size = a_str.size(); i < size; i++) { if ((a_str[i] < '0') || (a_str[i] > '9')) { return false; } if (std::numeric_limits::min() / 10 > result) { return false; } result *= 10; T digit = static_cast(a_str[i] - '0'); if (std::numeric_limits::min() + digit > result) { return false; } result -= digit; } } a_Num = result; return true; } // If you have any other string helper functions, declare them here