This commit is contained in:
DirtyDuckEUW 2021-10-15 17:15:34 +02:00
commit c0a6e45559
7 changed files with 483 additions and 0 deletions

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String.sln Normal file
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 15
VisualStudioVersion = 15.0.28307.1705
MinimumVisualStudioVersion = 10.0.40219.1
Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "String", "String\String.vcxproj", "{5FE98B77-3558-4384-BDAF-82AC8B69B752}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|x64 = Debug|x64
Debug|x86 = Debug|x86
Release|x64 = Release|x64
Release|x86 = Release|x86
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{5FE98B77-3558-4384-BDAF-82AC8B69B752}.Debug|x64.ActiveCfg = Debug|x64
{5FE98B77-3558-4384-BDAF-82AC8B69B752}.Debug|x64.Build.0 = Debug|x64
{5FE98B77-3558-4384-BDAF-82AC8B69B752}.Debug|x86.ActiveCfg = Debug|Win32
{5FE98B77-3558-4384-BDAF-82AC8B69B752}.Debug|x86.Build.0 = Debug|Win32
{5FE98B77-3558-4384-BDAF-82AC8B69B752}.Release|x64.ActiveCfg = Release|x64
{5FE98B77-3558-4384-BDAF-82AC8B69B752}.Release|x64.Build.0 = Release|x64
{5FE98B77-3558-4384-BDAF-82AC8B69B752}.Release|x86.ActiveCfg = Release|Win32
{5FE98B77-3558-4384-BDAF-82AC8B69B752}.Release|x86.Build.0 = Release|Win32
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {CDE2A97D-BF32-4748-9A47-B8D0E10D3A9D}
EndGlobalSection
EndGlobal

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#include "String.h"
#include <memory>
//-----------------------------------------------------------------------------------------------------------------------------
String::String(const char* pData)
{
if (!pData) return;
m_uiLength = StringLength(pData);
m_pData = new char[m_uiLength + 1];
memset(m_pData, 0, m_uiLength + 1);
memcpy(m_pData, pData, m_uiLength);
m_uiCapacity = m_uiLength;
}
//-----------------------------------------------------------------------------------------------------------------------------
String::String(const std::string &sString)
: m_pData(new char[sString.length()])
, m_uiLength(sString.length())
, m_uiCapacity(sString.length())
{
}
//-----------------------------------------------------------------------------------------------------------------------------
String::String(const String& sRhs)
: m_uiLength(sRhs.m_uiLength)
, m_pData(new char[sRhs.m_uiLength + 1])
, m_uiCapacity(sRhs.m_uiCapacity)
{
memset(m_pData + m_uiLength, 0, 1);
memcpy(m_pData, sRhs.m_pData, m_uiLength);
}
//-----------------------------------------------------------------------------------------------------------------------------
String::~String()
{
DELETE_ARRAY(m_pData);
}
//-----------------------------------------------------------------------------------------------------------------------------
int String::StringLength(const char* pChar)
{
int iRet = 0;
while (*pChar != 0x0)
{
pChar++;
iRet++;
}
return iRet;
}
//-----------------------------------------------------------------------------------------------------------------------------
void String::Insert(const char *pData, unsigned int uiPos)
{
if (!pData) return;
unsigned int uilength = StringLength(pData);
unsigned int uiNewLength = m_uiLength + uilength;
while (uiNewLength > m_uiCapacity)
{
IncreaseCapacity();
}
char* pLeft = m_pData + uiPos;
char* pRight = m_pData + uiPos + uilength;
memcpy(pRight, m_pData + uiPos, m_uiLength - uiPos);
memcpy(pLeft, pData, uilength);
m_uiLength = uiNewLength;
}
//-----------------------------------------------------------------------------------------------------------------------------
void String::Append(const char *pData)
{
Insert(pData, m_uiLength);
}
//-----------------------------------------------------------------------------------------------------------------------------
bool String::Contains(const String& sRhs)
{
return Contains(sRhs.m_pData);
}
//-----------------------------------------------------------------------------------------------------------------------------
bool String::Contains(const char *pData)
{
int iRet = 1;
unsigned int uiLength = StringLength(pData);
unsigned int uiOffset = 0;
while (iRet != 0)
{
if (uiLength > m_uiLength || uiOffset > m_uiLength) break;
iRet = memcmp(m_pData + uiOffset, pData, uiLength);
uiOffset++;
}
return iRet == 0;
}
//-----------------------------------------------------------------------------------------------------------------------------
unsigned int String::Find(const String& sRhs, unsigned int uiOffset)
{
return Find(sRhs.m_pData, uiOffset);
}
//-----------------------------------------------------------------------------------------------------------------------------
unsigned int String::Find(const char *pData, unsigned int uiOffset)
{
unsigned int uiLength = StringLength(pData);
unsigned int uiCurrentOffset = uiOffset;
for (int iRet = 1; iRet != 0; uiCurrentOffset++)
{
if (uiLength > m_uiLength || uiCurrentOffset > m_uiLength)
{
uiCurrentOffset = -1;
break;
}
iRet = memcmp(m_pData + uiCurrentOffset, pData, uiLength);
}
return uiCurrentOffset;
}
//-----------------------------------------------------------------------------------------------------------------------------
char String::At(unsigned int uiPos)
{
return *(m_pData + uiPos);
}
//-----------------------------------------------------------------------------------------------------------------------------
bool String::Remove(const String& sRhs)
{
return RemoveAt(Find(sRhs), sRhs.m_uiLength);
}
//-----------------------------------------------------------------------------------------------------------------------------
bool String::Remove(const char *pData)
{
return RemoveAt(Find(pData), StringLength(pData));
}
//-----------------------------------------------------------------------------------------------------------------------------
bool String::RemoveAt(unsigned int uiPos, unsigned int uiSize)
{
if (uiPos > m_uiLength) return false;
m_uiLength = m_uiLength - uiSize;
char* pLast = m_pData + uiPos + uiSize;
memcpy(m_pData + uiPos, pLast, uiSize);
memset(pLast, 0, uiSize);
return true;
}
//-----------------------------------------------------------------------------------------------------------------------------
unsigned int String::Length() const
{
return m_uiLength;
}
//-----------------------------------------------------------------------------------------------------------------------------
std::string String::ToStdString()
{
return std::string(m_pData);
}
//-----------------------------------------------------------------------------------------------------------------------------
void String::IncreaseCapacity()
{
m_uiCapacity = m_uiCapacity * c_uiCapacityIncreaseFactor;
char *pNew = new char[m_uiCapacity + 1];
memset(pNew, 0, m_uiCapacity + 1);
memcpy(pNew, m_pData, m_uiLength);
DELETE_ARRAY(m_pData);
m_pData = pNew;
}

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String/String.h Normal file
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#pragma once
#include <string>
class String
{
private:
#define DELETE_POINTER(Pointer) \
if (Pointer != nullptr)\
{\
delete Pointer;\
Pointer = nullptr;\
}
#define DELETE_ARRAY(Array) \
if (Array != nullptr)\
{\
delete[] Array;\
Array = nullptr;\
}
public:
String() = default;
String(const char* pData);
String(const std::string& sString);
String(const String& sRhs);
String& operator=(const String& sRhs) = delete;
~String();
int StringLength(const char* pData);
void Insert(const char *pData, unsigned int uiPos);
void Append(const char *pData);
bool Contains(const String& sRhs);
bool Contains(const char *pData);
unsigned int Find(const String& sRhs, unsigned int uiOffset = 0);
unsigned int Find(const char *pData, unsigned int uiOffset = 0);
char At(unsigned int uiPos);
bool Remove(const String& sRhs);
bool Remove(const char *pData);
bool RemoveAt(unsigned int uiPos, unsigned int uiSize);
unsigned int Length() const;
std::string ToStdString();
private:
void IncreaseCapacity();
char* m_pData = nullptr;
unsigned int m_uiLength = 0;
unsigned int m_uiCapacity = 0;
const float c_uiCapacityIncreaseFactor = 1.5;
};

163
String/String.vcxproj Normal file
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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<Platform>Win32</Platform>
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<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<VCProjectVersion>15.0</VCProjectVersion>
<ProjectGuid>{5FE98B77-3558-4384-BDAF-82AC8B69B752}</ProjectGuid>
<Keyword>Win32Proj</Keyword>
<RootNamespace>String</RootNamespace>
<WindowsTargetPlatformVersion>10.0.19041.0</WindowsTargetPlatformVersion>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<PlatformToolset>v141</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<PlatformToolset>v141</PlatformToolset>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>Unicode</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>true</UseDebugLibraries>
<PlatformToolset>v141</PlatformToolset>
<CharacterSet>Unicode</CharacterSet>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
<ConfigurationType>Application</ConfigurationType>
<UseDebugLibraries>false</UseDebugLibraries>
<PlatformToolset>v141</PlatformToolset>
<WholeProgramOptimization>true</WholeProgramOptimization>
<CharacterSet>Unicode</CharacterSet>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
<ImportGroup Label="ExtensionSettings">
</ImportGroup>
<ImportGroup Label="Shared">
</ImportGroup>
<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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<PropertyGroup Label="UserMacros" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<LinkIncremental>true</LinkIncremental>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
<LinkIncremental>true</LinkIncremental>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
<LinkIncremental>false</LinkIncremental>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
<LinkIncremental>false</LinkIncremental>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
<ClCompile>
<PrecompiledHeader>
</PrecompiledHeader>
<WarningLevel>Level3</WarningLevel>
<Optimization>Disabled</Optimization>
<SDLCheck>true</SDLCheck>
<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
<ConformanceMode>true</ConformanceMode>
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<Link>
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<ImportGroup Label="ExtensionTargets">
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#include <iostream>
#include "String.h"
int main()
{
return 0;
}