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224 lines
6.8 KiB
C++
224 lines
6.8 KiB
C++
#ifndef __LDFFORMAT__H__
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#define __LDFFORMAT__H__
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// Custom Classes
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#include "dCommonVars.h"
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#include "GeneralUtils.h"
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// C++
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#include <string>
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#include <string_view>
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#include <sstream>
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// RakNet
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#include "BitStream.h"
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enum eLDFType {
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LDF_TYPE_UNKNOWN = -1, //!< Unknown data type
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LDF_TYPE_UTF_16 = 0, //!< UTF-16 wstring data type
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LDF_TYPE_S32 = 1, //!< Signed 32-bit data type
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LDF_TYPE_FLOAT = 3, //!< Float data type
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LDF_TYPE_DOUBLE = 4, //!< Double data type
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LDF_TYPE_U32 = 5, //!< Unsigned 32-bit data type
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LDF_TYPE_BOOLEAN = 7, //!< Boolean data type
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LDF_TYPE_U64 = 8, //!< Unsigned 64-bit data type (originally signed, templates won't work with both S64 & OBJID
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LDF_TYPE_OBJID = 9, //!< Signed 64-bit data type (reserved for object IDs)
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LDF_TYPE_UTF_8 = 13, //!< UTF-8 string data type
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};
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class LDFBaseData {
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public:
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virtual ~LDFBaseData() {}
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virtual void WriteToPacket(RakNet::BitStream* packet) = 0;
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virtual const std::u16string& GetKey() const = 0;
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virtual eLDFType GetValueType() = 0;
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/** Gets a string from the key/value pair
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* @param includeKey Whether or not to include the key in the data
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* @param includeTypeId Whether or not to include the type id in the data
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* @return The string representation of the data
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*/
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virtual std::string GetString(bool includeKey = true, bool includeTypeId = true) = 0;
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virtual std::string GetValueAsString() = 0;
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virtual LDFBaseData* Copy() = 0;
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/**
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* Given an input string, return the data as a LDF key.
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*/
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static LDFBaseData* DataFromString(const std::string_view& format);
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};
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template<typename T>
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class LDFData: public LDFBaseData {
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private:
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std::u16string key;
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T value;
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//! Writes the key to the packet
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void WriteKey(RakNet::BitStream* packet) {
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packet->Write(static_cast<uint8_t>(this->key.length() * sizeof(uint16_t)));
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for (uint32_t i = 0; i < this->key.length(); ++i) {
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packet->Write(static_cast<uint16_t>(this->key[i]));
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}
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}
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//! Writes the value to the packet
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void WriteValue(RakNet::BitStream* packet) {
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packet->Write(static_cast<uint8_t>(this->GetValueType()));
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packet->Write(this->value);
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}
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public:
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//! Initializer
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LDFData(const std::u16string& key, const T& value) {
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this->key = key;
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this->value = value;
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}
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//! Destructor
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~LDFData(void) override {}
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//! Gets the value
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/*!
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\return The value
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*/
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const T& GetValue(void) { return this->value; }
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//! Sets the value
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/*!
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\param value The value to set to
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*/
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void SetValue(T value) { this->value = value; };
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//! Gets the value string
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/*!
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\return The value string
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*/
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std::string GetValueString(void) { return ""; }
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//! Writes the data to a packet
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/*!
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\param packet The packet
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*/
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void WriteToPacket(RakNet::BitStream* packet) override {
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this->WriteKey(packet);
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this->WriteValue(packet);
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}
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//! Gets the key
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/*!
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\return The key
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*/
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const std::u16string& GetKey(void) const override { return this->key; }
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//! Gets the LDF Type
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/*!
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\return The LDF value type
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*/
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eLDFType GetValueType(void) override { return LDF_TYPE_UNKNOWN; }
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//! Gets the string data
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/*!
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\param includeKey Whether or not to include the key in the data
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\param includeTypeId Whether or not to include the type id in the data
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\return The string representation of the data
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*/
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std::string GetString(const bool includeKey = true, const bool includeTypeId = true) override {
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if (GetValueType() == -1) {
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return GeneralUtils::UTF16ToWTF8(this->key) + "=-1:<server variable>";
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}
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std::stringstream stream;
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if (includeKey) {
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const std::string& sKey = GeneralUtils::UTF16ToWTF8(this->key, this->key.size());
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stream << sKey << '=';
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}
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if (includeTypeId) {
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stream << this->GetValueType() << ':';
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}
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const std::string& sData = this->GetValueString();
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stream << sData;
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return stream.str();
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}
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std::string GetValueAsString() override {
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return this->GetValueString();
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}
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LDFBaseData* Copy() override {
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return new LDFData<T>(key, value);
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}
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inline static T Default = {};
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};
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// LDF Types
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template<> inline eLDFType LDFData<std::u16string>::GetValueType(void) { return LDF_TYPE_UTF_16; };
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template<> inline eLDFType LDFData<int32_t>::GetValueType(void) { return LDF_TYPE_S32; };
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template<> inline eLDFType LDFData<float>::GetValueType(void) { return LDF_TYPE_FLOAT; };
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template<> inline eLDFType LDFData<double>::GetValueType(void) { return LDF_TYPE_DOUBLE; };
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template<> inline eLDFType LDFData<uint32_t>::GetValueType(void) { return LDF_TYPE_U32; };
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template<> inline eLDFType LDFData<bool>::GetValueType(void) { return LDF_TYPE_BOOLEAN; };
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template<> inline eLDFType LDFData<uint64_t>::GetValueType(void) { return LDF_TYPE_U64; };
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template<> inline eLDFType LDFData<LWOOBJID>::GetValueType(void) { return LDF_TYPE_OBJID; };
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template<> inline eLDFType LDFData<std::string>::GetValueType(void) { return LDF_TYPE_UTF_8; };
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// The specialized version for std::u16string (UTF-16)
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template<>
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inline void LDFData<std::u16string>::WriteValue(RakNet::BitStream* packet) {
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packet->Write(static_cast<uint8_t>(this->GetValueType()));
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packet->Write(static_cast<uint32_t>(this->value.length()));
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for (uint32_t i = 0; i < this->value.length(); ++i) {
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packet->Write(static_cast<uint16_t>(this->value[i]));
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}
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}
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// The specialized version for bool
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template<>
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inline void LDFData<bool>::WriteValue(RakNet::BitStream* packet) {
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packet->Write(static_cast<uint8_t>(this->GetValueType()));
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packet->Write(static_cast<uint8_t>(this->value));
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}
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// The specialized version for std::string (UTF-8)
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template<>
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inline void LDFData<std::string>::WriteValue(RakNet::BitStream* packet) {
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packet->Write(static_cast<uint8_t>(this->GetValueType()));
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packet->Write(static_cast<uint32_t>(this->value.length()));
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for (uint32_t i = 0; i < this->value.length(); ++i) {
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packet->Write(static_cast<uint8_t>(this->value[i]));
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}
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}
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template<> inline std::string LDFData<std::u16string>::GetValueString() {
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return GeneralUtils::UTF16ToWTF8(this->value, this->value.size());
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}
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template<> inline std::string LDFData<int32_t>::GetValueString() { return std::to_string(this->value); }
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template<> inline std::string LDFData<float>::GetValueString() { return std::to_string(this->value); }
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template<> inline std::string LDFData<double>::GetValueString() { return std::to_string(this->value); }
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template<> inline std::string LDFData<uint32_t>::GetValueString() { return std::to_string(this->value); }
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template<> inline std::string LDFData<bool>::GetValueString() { return std::to_string(this->value); }
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template<> inline std::string LDFData<uint64_t>::GetValueString() { return std::to_string(this->value); }
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template<> inline std::string LDFData<LWOOBJID>::GetValueString() { return std::to_string(this->value); }
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template<> inline std::string LDFData<std::string>::GetValueString() { return this->value; }
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#endif //!__LDFFORMAT__H__
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