mirror of
https://github.com/Fennix-Project/Kernel.git
synced 2025-07-08 05:49:17 +00:00
Rename std functions to match the standard
This commit is contained in:
Alex
536
include/std/string.hpp
Normal file
536
include/std/string.hpp
Normal file
@ -0,0 +1,536 @@
|
||||
#ifndef __FENNIX_KERNEL_STD_STRING_H__
|
||||
#define __FENNIX_KERNEL_STD_STRING_H__
|
||||
|
||||
#include <types.h>
|
||||
#include <convert.h>
|
||||
#include <debug.h>
|
||||
|
||||
// show debug messages
|
||||
// #define DEBUG_CPP_STRING 1
|
||||
|
||||
#ifdef DEBUG_CPP_STRING
|
||||
#define strdbg(m, ...) debug(m, ##__VA_ARGS__)
|
||||
#else
|
||||
#define strdbg(m, ...)
|
||||
#endif
|
||||
|
||||
// TODO: Somewhere the delete is called twice, causing a double free error.
|
||||
|
||||
namespace std
|
||||
{
|
||||
/**
|
||||
* @brief String class
|
||||
* String class that can be used to store strings.
|
||||
*/
|
||||
class string
|
||||
{
|
||||
private:
|
||||
char *m_Data;
|
||||
size_t m_Length;
|
||||
size_t m_Capacity;
|
||||
|
||||
public:
|
||||
static const size_t npos = -1;
|
||||
|
||||
string(const char *Str = "")
|
||||
{
|
||||
this->m_Length = strlen(Str);
|
||||
this->m_Capacity = this->m_Length + 1;
|
||||
this->m_Data = new char[m_Capacity];
|
||||
strcpy(m_Data, Str);
|
||||
strdbg("New string created: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
}
|
||||
|
||||
~string()
|
||||
{
|
||||
strdbg("String deleted: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
delete[] this->m_Data, this->m_Data = nullptr;
|
||||
}
|
||||
|
||||
int length() const
|
||||
{
|
||||
strdbg("String length: %d", this->m_Length);
|
||||
return this->m_Length;
|
||||
}
|
||||
|
||||
int capacity() const
|
||||
{
|
||||
strdbg("String capacity: %d", this->m_Capacity);
|
||||
return this->m_Capacity;
|
||||
}
|
||||
|
||||
const char *c_str() const
|
||||
{
|
||||
strdbg("String data: \"%s\"", this->m_Data);
|
||||
return this->m_Data;
|
||||
}
|
||||
|
||||
void resize(size_t NewLength)
|
||||
{
|
||||
strdbg("String resize: %d", NewLength);
|
||||
if (NewLength > this->m_Capacity)
|
||||
{
|
||||
size_t newCapacity = NewLength + 1;
|
||||
char *newData = new char[newCapacity];
|
||||
|
||||
strcpy(newData, this->m_Data);
|
||||
|
||||
strdbg("old: %#lx, new: %#lx", this->m_Data, newData);
|
||||
delete[] this->m_Data;
|
||||
this->m_Data = newData;
|
||||
this->m_Capacity = newCapacity;
|
||||
}
|
||||
this->m_Length = NewLength;
|
||||
this->m_Data[m_Length] = '\0';
|
||||
strdbg("String resized: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
}
|
||||
|
||||
void concat(const string &Other)
|
||||
{
|
||||
int NewLength = this->m_Length + Other.m_Length;
|
||||
this->resize(NewLength);
|
||||
|
||||
strcat(m_Data, Other.m_Data);
|
||||
strdbg("String concatenated: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
}
|
||||
|
||||
bool empty() const
|
||||
{
|
||||
strdbg("String empty: %d", this->m_Length == 0);
|
||||
return this->m_Length == 0;
|
||||
}
|
||||
|
||||
size_t size() const
|
||||
{
|
||||
strdbg("String size: %d", this->m_Length);
|
||||
return this->m_Length;
|
||||
}
|
||||
|
||||
void clear()
|
||||
{
|
||||
strdbg("String clear");
|
||||
this->resize(0);
|
||||
}
|
||||
|
||||
size_t find(const char *Str, size_t Pos = 0) const
|
||||
{
|
||||
strdbg("String find: \"%s\", %d", Str, Pos);
|
||||
if (Pos >= this->m_Length)
|
||||
return npos;
|
||||
|
||||
for (size_t i = Pos; i < this->m_Length; i++)
|
||||
{
|
||||
bool found = true;
|
||||
for (size_t j = 0; Str[j] != '\0'; j++)
|
||||
{
|
||||
if (this->m_Data[i + j] != Str[j])
|
||||
{
|
||||
found = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (found)
|
||||
return i;
|
||||
}
|
||||
return npos;
|
||||
}
|
||||
|
||||
size_t find(const string &Str, size_t Pos = 0) const
|
||||
{
|
||||
strdbg("String find: \"%s\", %d", Str.c_str(), Pos);
|
||||
return this->find(Str.c_str(), Pos);
|
||||
}
|
||||
|
||||
void erase(int Index, int Count = 1)
|
||||
{
|
||||
strdbg("String erase: %d, %d", Index, Count);
|
||||
if (Index < 0 || (size_t)Index >= this->m_Length)
|
||||
return;
|
||||
|
||||
if (Count < 0)
|
||||
return;
|
||||
|
||||
if ((size_t)(Index + Count) > this->m_Length)
|
||||
Count = this->m_Length - Index;
|
||||
|
||||
for (size_t i = Index; i < this->m_Length - Count; i++)
|
||||
this->m_Data[i] = this->m_Data[i + Count];
|
||||
|
||||
this->m_Length -= Count;
|
||||
this->m_Data[m_Length] = '\0';
|
||||
strdbg("String erased: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
}
|
||||
|
||||
size_t find_last_not_of(const char *Str, size_t Pos = npos) const
|
||||
{
|
||||
strdbg("String find_last_not_of: \"%s\", %d", Str, Pos);
|
||||
if (Pos == npos)
|
||||
Pos = this->m_Length - 1;
|
||||
|
||||
for (int i = (int)Pos; i >= 0; i--)
|
||||
{
|
||||
bool found = false;
|
||||
for (size_t j = 0; Str[j] != '\0'; j++)
|
||||
{
|
||||
if (this->m_Data[i] == Str[j])
|
||||
{
|
||||
found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!found)
|
||||
return i;
|
||||
}
|
||||
return npos;
|
||||
}
|
||||
|
||||
size_t find_first_not_of(const char *Str, size_t Pos = 0) const
|
||||
{
|
||||
strdbg("String find_first_not_of: \"%s\", %d", Str, Pos);
|
||||
if (Pos >= this->m_Length)
|
||||
return npos;
|
||||
|
||||
for (size_t i = Pos; i < this->m_Length; i++)
|
||||
{
|
||||
bool found = false;
|
||||
for (size_t j = 0; Str[j] != '\0'; j++)
|
||||
{
|
||||
if (this->m_Data[i] == Str[j])
|
||||
{
|
||||
found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (!found)
|
||||
return i;
|
||||
}
|
||||
return npos;
|
||||
}
|
||||
|
||||
size_t find_first_of(const char *Str, size_t Pos = 0) const
|
||||
{
|
||||
strdbg("String find_first_of: \"%s\", %d", Str, Pos);
|
||||
if (Pos >= this->m_Length)
|
||||
return npos;
|
||||
|
||||
for (size_t i = Pos; i < this->m_Length; i++)
|
||||
{
|
||||
bool found = false;
|
||||
for (size_t j = 0; Str[j] != '\0'; j++)
|
||||
{
|
||||
if (this->m_Data[i] == Str[j])
|
||||
{
|
||||
found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (found)
|
||||
return i;
|
||||
}
|
||||
return npos;
|
||||
}
|
||||
|
||||
size_t find_last_of(const char *Str, size_t Pos = npos) const
|
||||
{
|
||||
strdbg("String find_last_of: \"%s\", %d", Str, Pos);
|
||||
if (Pos == npos)
|
||||
Pos = this->m_Length - 1;
|
||||
|
||||
for (int i = (int)Pos; i >= 0; i--)
|
||||
{
|
||||
bool found = false;
|
||||
for (int j = 0; Str[j] != '\0'; j++)
|
||||
{
|
||||
if (this->m_Data[i] == Str[j])
|
||||
{
|
||||
found = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (found)
|
||||
return i;
|
||||
}
|
||||
return npos;
|
||||
}
|
||||
|
||||
size_t find_first_of(char C, size_t Pos = 0) const
|
||||
{
|
||||
strdbg("String find_first_of: '%c', %d", C, Pos);
|
||||
if (Pos >= this->m_Length)
|
||||
return npos;
|
||||
|
||||
for (size_t i = Pos; i < this->m_Length; i++)
|
||||
{
|
||||
if (this->m_Data[i] == C)
|
||||
return i;
|
||||
}
|
||||
return npos;
|
||||
}
|
||||
|
||||
size_t find_last_of(char C, size_t Pos = npos) const
|
||||
{
|
||||
strdbg("String find_last_of: '%c', %d", C, Pos);
|
||||
if (Pos == npos)
|
||||
Pos = this->m_Length - 1;
|
||||
|
||||
for (int i = (int)Pos; i >= 0; i--)
|
||||
{
|
||||
if (this->m_Data[i] == C)
|
||||
return i;
|
||||
}
|
||||
return npos;
|
||||
}
|
||||
|
||||
size_t substr(const char *Str, size_t Pos = 0) const
|
||||
{
|
||||
strdbg("String substr: \"%s\", %d", Str, Pos);
|
||||
if (Pos >= this->m_Length)
|
||||
return npos;
|
||||
|
||||
for (size_t i = Pos; i < this->m_Length; i++)
|
||||
{
|
||||
bool found = true;
|
||||
for (size_t j = 0; Str[j] != '\0'; j++)
|
||||
{
|
||||
if (this->m_Data[i + j] != Str[j])
|
||||
{
|
||||
found = false;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (found)
|
||||
return i;
|
||||
}
|
||||
return npos;
|
||||
}
|
||||
|
||||
size_t substr(const string &Str, size_t Pos = 0) const
|
||||
{
|
||||
strdbg("String substr: \"%s\", %d", Str.c_str(), Pos);
|
||||
return this->substr(Str.c_str(), Pos);
|
||||
}
|
||||
|
||||
string substr(size_t Pos = 0, size_t Count = npos) const
|
||||
{
|
||||
strdbg("String substr: %d, %d", Pos, Count);
|
||||
if (Pos >= this->m_Length)
|
||||
return string();
|
||||
|
||||
if (Count == npos)
|
||||
Count = this->m_Length - Pos;
|
||||
|
||||
if (Pos + Count > this->m_Length)
|
||||
Count = this->m_Length - Pos;
|
||||
|
||||
string ret;
|
||||
ret.resize(Count);
|
||||
for (size_t i = 0; i < Count; i++)
|
||||
ret.m_Data[i] = this->m_Data[Pos + i];
|
||||
ret.m_Data[Count] = '\0';
|
||||
return ret;
|
||||
}
|
||||
|
||||
void replace(size_t Pos, size_t Count, const char *Str)
|
||||
{
|
||||
strdbg("String replace: %d, %d, \"%s\"", Pos, Count, Str);
|
||||
if (Pos >= this->m_Length)
|
||||
return;
|
||||
|
||||
if ((int64_t)Count < 0)
|
||||
return;
|
||||
|
||||
if (Pos + Count > this->m_Length)
|
||||
Count = this->m_Length - Pos;
|
||||
|
||||
int NewLength = this->m_Length - Count + strlen(Str);
|
||||
this->resize(NewLength);
|
||||
|
||||
for (size_t i = this->m_Length - 1; i >= Pos + strlen(Str); i--)
|
||||
this->m_Data[i] = this->m_Data[i - strlen(Str) + Count];
|
||||
|
||||
for (unsigned long i = 0; i < strlen(Str); i++)
|
||||
this->m_Data[Pos + i] = Str[i];
|
||||
|
||||
strdbg("String replaced: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
}
|
||||
|
||||
void replace(size_t Pos, size_t Count, const string &Str)
|
||||
{
|
||||
strdbg("String replace: %d, %d, \"%s\"", Pos, Count, Str.m_Data);
|
||||
if (Pos >= this->m_Length)
|
||||
return;
|
||||
|
||||
if ((int64_t)Count < 0)
|
||||
return;
|
||||
|
||||
if (Pos + Count > this->m_Length)
|
||||
Count = this->m_Length - Pos;
|
||||
|
||||
int NewLength = this->m_Length - Count + Str.m_Length;
|
||||
this->resize(NewLength);
|
||||
|
||||
for (size_t i = this->m_Length - 1; i >= Pos + Str.m_Length; i--)
|
||||
this->m_Data[i] = this->m_Data[i - Str.m_Length + Count];
|
||||
|
||||
for (size_t i = 0; i < Str.m_Length; i++)
|
||||
this->m_Data[Pos + i] = Str.m_Data[i];
|
||||
|
||||
strdbg("String replaced: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
}
|
||||
|
||||
string operator+(const string &Other) const
|
||||
{
|
||||
string result = *this;
|
||||
result.concat(Other);
|
||||
strdbg("String added: \"%s\" (data: %#lx, length: %d, capacity: %d)", result.m_Data, result.m_Data, result.m_Length, result.m_Capacity);
|
||||
return result;
|
||||
}
|
||||
|
||||
string operator+(const char *Other) const
|
||||
{
|
||||
string result = *this;
|
||||
result.concat(Other);
|
||||
strdbg("String added: \"%s\" (data: %#lx, length: %d, capacity: %d)", result.m_Data, result.m_Data, result.m_Length, result.m_Capacity);
|
||||
return result;
|
||||
}
|
||||
|
||||
string &operator+=(const string &Other)
|
||||
{
|
||||
this->concat(Other);
|
||||
strdbg("String appended: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
return *this;
|
||||
}
|
||||
|
||||
string &operator+=(const char *Other)
|
||||
{
|
||||
this->concat(Other);
|
||||
strdbg("String appended: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
return *this;
|
||||
}
|
||||
|
||||
/* warning: implicitly-declared ‘constexpr String::String(const String&)’ is deprecated [-Wdeprecated-copy] */
|
||||
string &operator=(const string &Other) = default;
|
||||
|
||||
// string &operator=(const string &Other)
|
||||
// {
|
||||
// if (this != &Other)
|
||||
// {
|
||||
// delete[] this->m_Data;
|
||||
// this->m_Data = Other.m_Data;
|
||||
// this->m_Length = Other.m_Length;
|
||||
// this->m_Capacity = Other.m_Capacity;
|
||||
// strdbg("String assigned: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
// }
|
||||
// return *this;
|
||||
// }
|
||||
|
||||
string &operator=(const char *Other)
|
||||
{
|
||||
this->m_Length = strlen(Other);
|
||||
this->m_Capacity = this->m_Length + 1;
|
||||
delete[] this->m_Data;
|
||||
this->m_Data = new char[m_Capacity];
|
||||
strcpy(m_Data, Other);
|
||||
strdbg("String assigned: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
return *this;
|
||||
}
|
||||
|
||||
string &operator<<(const string &Other)
|
||||
{
|
||||
this->concat(Other);
|
||||
strdbg("String appended: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
return *this;
|
||||
}
|
||||
|
||||
string &operator<<(const char *Other)
|
||||
{
|
||||
this->concat(Other);
|
||||
strdbg("String appended: \"%s\" (data: %#lx, length: %d, capacity: %d)", this->m_Data, this->m_Data, this->m_Length, this->m_Capacity);
|
||||
return *this;
|
||||
}
|
||||
|
||||
char &operator[](int Index)
|
||||
{
|
||||
strdbg("String index: %d", Index);
|
||||
return this->m_Data[Index];
|
||||
}
|
||||
|
||||
const char &operator[](int Index) const
|
||||
{
|
||||
strdbg("String index: %d", Index);
|
||||
return this->m_Data[Index];
|
||||
}
|
||||
|
||||
bool operator==(const string &Other) const
|
||||
{
|
||||
strdbg("String compared: \"%s\" == \"%s\"", this->m_Data, Other.m_Data);
|
||||
return strcmp(this->m_Data, Other.m_Data) == 0;
|
||||
}
|
||||
|
||||
bool operator!=(const char *Other) const
|
||||
{
|
||||
strdbg("String compared: \"%s\" != \"%s\"", this->m_Data, Other);
|
||||
return strcmp(this->m_Data, Other) != 0;
|
||||
}
|
||||
|
||||
bool operator!=(const string &Other) const
|
||||
{
|
||||
strdbg("String compared: \"%s\" != \"%s\"", this->m_Data, Other.m_Data);
|
||||
return strcmp(this->m_Data, Other.m_Data) != 0;
|
||||
}
|
||||
|
||||
bool operator==(const char *Other) const
|
||||
{
|
||||
strdbg("String compared: \"%s\" == \"%s\"", this->m_Data, Other);
|
||||
return strcmp(this->m_Data, Other) == 0;
|
||||
}
|
||||
|
||||
class iterator
|
||||
{
|
||||
private:
|
||||
char *m_Pointer;
|
||||
|
||||
public:
|
||||
iterator(char *Pointer) : m_Pointer(Pointer) {}
|
||||
|
||||
iterator &operator++()
|
||||
{
|
||||
++this->m_Pointer;
|
||||
strdbg("String iterator incremented: %#lx", this->m_Pointer);
|
||||
return *this;
|
||||
}
|
||||
|
||||
char &operator*()
|
||||
{
|
||||
strdbg("String iterator dereferenced: %#lx", this->m_Pointer);
|
||||
return *this->m_Pointer;
|
||||
}
|
||||
|
||||
bool operator!=(const iterator &Other) const
|
||||
{
|
||||
strdbg("String iterator compared: %#lx != %#lx", this->m_Pointer, Other.m_Pointer);
|
||||
return this->m_Pointer != Other.m_Pointer;
|
||||
}
|
||||
|
||||
bool operator==(const iterator &Other) const
|
||||
{
|
||||
strdbg("String iterator compared: %#lx == %#lx", this->m_Pointer, Other.m_Pointer);
|
||||
return this->m_Pointer == Other.m_Pointer;
|
||||
}
|
||||
};
|
||||
|
||||
iterator begin()
|
||||
{
|
||||
strdbg("String iterator begin: %#lx", this->m_Data);
|
||||
return iterator(this->m_Data);
|
||||
}
|
||||
|
||||
iterator end()
|
||||
{
|
||||
strdbg("String iterator end: %#lx", this->m_Data + this->m_Length);
|
||||
return iterator(this->m_Data + this->m_Length);
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
#endif // !__FENNIX_KERNEL_STD_STRING_H__
|
||||
Reference in New Issue
Block a user