DarkflameServer/thirdparty/raknet/Source/RakString.h

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#ifndef __RAK_STRING_H
#define __RAK_STRING_H
#include "Export.h"
#include "DS_List.h"
#include "RakNetTypes.h" // int64_t
#include <stdio.h>
namespace RakNet
{
class BitStream;
/// \brief String class
/// Has the following improvements over std::string
/// Reference counting: Suitable to store in lists
/// Varidic assignment operator
/// Doesn't cause linker errors
class RAK_DLL_EXPORT RakString
{
public:
/// Constructors
RakString();
RakString(char input);
RakString(unsigned char input);
RakString(const unsigned char *format, ...);
RakString(const char *format, ...);
~RakString();
RakString( const RakString & rhs);
/// Implicit return of const char*
operator const char* () const {return sharedString->c_str;}
/// Same as std::string::c_str
const char *C_String(void) const {return sharedString->c_str;}
/// Assigment operators
RakString& operator = ( const RakString& rhs );
RakString& operator = ( const char *str );
RakString& operator = ( char *str );
RakString& operator = ( const char c );
/// Concatenation
RakString& operator +=( const RakString& rhs);
RakString& operator += ( const char *str );
RakString& operator += ( char *str );
RakString& operator += ( const char c );
/// Character index. Do not use to change the string however.
unsigned char operator[] ( const unsigned int position ) const;
/// Equality
bool operator==(const RakString &rhs) const;
bool operator==(const char *str) const;
bool operator==(char *str) const;
/// Inequality
bool operator!=(const RakString &rhs) const;
/// Change all characters to lowercase
void ToLower(void);
/// Change all characters to uppercase
void ToUpper(void);
/// Set the value of the string
void Set(const char *format, ...);
/// Returns if the string is empty. Also, C_String() would return ""
bool IsEmpty(void) const;
/// Returns the length of the string
size_t GetLength(void) const;
/// Replace character(s) in starting at index, for count, with c
void Replace(unsigned index, unsigned count, unsigned char c);
/// Erase characters out of the string at index for count
void Erase(unsigned index, unsigned count);
/// Compare strings (case sensitive)
int StrCmp(const RakString &rhs) const;
/// Compare strings (not case sensitive)
int StrICmp(const RakString &rhs) const;
/// Clear the string
void Clear(void);
/// Print the string to the screen
void Printf(void);
/// Print the string to a file
void FPrintf(FILE *fp);
/// Does the given IP address match the IP address encoded into this string, accounting for wildcards?
bool IPAddressMatch(const char *IP);
/// URL Encode the string. See http://www.codeguru.com/cpp/cpp/cpp_mfc/article.php/c4029/
void URLEncode(void);
/// RakString uses a freeList of old no-longer used strings
/// Call this function to clear this memory on shutdown
static void FreeMemory(void);
/// Serialize to a bitstream, uncompressed (slightly faster)
/// \param[out] bs Bitstream to serialize to
void Serialize(BitStream *bs);
/// Static version of the Serialize function
static void Serialize(const char *str, BitStream *bs);
/// Serialize to a bitstream, compressed (better bandwidth usage)
/// \param[out] bs Bitstream to serialize to
/// \param[in] languageId languageId to pass to the StringCompressor class
/// \param[in] writeLanguageId encode the languageId variable in the stream. If false, 0 is assumed, and DeserializeCompressed will not look for this variable in the stream (saves bandwidth)
/// \pre StringCompressor::AddReference must have been called to instantiate the class (Happens automatically from RakPeer::Startup())
void SerializeCompressed(BitStream *bs, int languageId=0, bool writeLanguageId=false);
/// Static version of the SerializeCompressed function
static void SerializeCompressed(const char *str, BitStream *bs, int languageId=0, bool writeLanguageId=false);
/// Deserialize what was written by Serialize
/// \param[in] bs Bitstream to serialize from
/// \return true if the deserialization was successful
bool Deserialize(BitStream *bs);
/// Static version of the Deserialize() function
static bool Deserialize(char *str, BitStream *bs);
/// Deserialize compressed string, written by SerializeCompressed
/// \param[in] bs Bitstream to serialize from
/// \param[in] readLanguageId If true, looks for the variable langaugeId in the data stream. Must match what was passed to SerializeCompressed
/// \return true if the deserialization was successful
/// \pre StringCompressor::AddReference must have been called to instantiate the class (Happens automatically from RakPeer::Startup())
bool DeserializeCompressed(BitStream *bs, bool readLanguageId=false);
/// Static version of the DeserializeCompressed() function
static bool DeserializeCompressed(char *str, BitStream *bs, bool readLanguageId=false);
static const char *ToString(int64_t i);
static const char *ToString(uint64_t i);
/// \internal
static size_t GetSizeToAllocate(size_t bytes)
{
const size_t smallStringSize = 128-sizeof(unsigned int)-sizeof(size_t)-sizeof(char*)*2;
if (bytes<=smallStringSize)
return smallStringSize;
else
return bytes*2;
}
/// \internal
struct SharedString
{
unsigned int refCount;
size_t bytesUsed;
char *bigString;
char *c_str;
char smallString[128-sizeof(unsigned int)-sizeof(size_t)-sizeof(char*)*2];
};
/// \internal
RakString( SharedString *_sharedString );
/// \internal
SharedString *sharedString;
// static SimpleMutex poolMutex;
// static DataStructures::MemoryPool<SharedString> pool;
/// \internal
static SharedString emptyString;
//static SharedString *sharedStringFreeList;
//static unsigned int sharedStringFreeListAllocationCount;
/// \internal
/// List of free objects to reduce memory reallocations
static DataStructures::List<SharedString*> freeList;
/// Means undefined position
static unsigned int nPos;
static int RakStringComp( RakString const &key, RakString const &data );
protected:
void Allocate(size_t len);
void Assign(const char *str);
void Clone(void);
void Free(void);
unsigned char ToLower(unsigned char c);
unsigned char ToUpper(unsigned char c);
void Realloc(SharedString *sharedString, size_t bytes);
};
}
const RakNet::RakString operator+(const RakNet::RakString &lhs, const RakNet::RakString &rhs);
#endif