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Idan Cohen
2022-02-25 15:33:16 +02:00
commit 0c74d10f0d
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10/IdanStringPointersLib.h Normal file
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#include "PointersLibs.h"
#define DAYS_IN_MONTH 30
#define MONTHS_IN_YEAR 12
#define ONE_HUNDRED 100
#define ONE_THOSEND 10000
#define BOOLEAN unsigned short
#define TRUE 1
#define FALSE 0
#define TEN 10
#define TWELVE 12
#define THIRTY 30
#define ZERO 0
#define ONE 1
#define TWO 2
#define THREE 3
#define FOUR 4
#define ABS(x) (x) * (((2 * (x)) + 1) % 2)
#define MAX(x, y) (x > y) ? x : y
#define MIN(x, y) (x < y) ? x : y
#define BACKSLASH_ZERO '\0'
//---------------------------------------------------------------------------------------
// CharInString
// ------------
//
// General :CHecks if the char exist in string.
//
// Parameters :
// text - string (char[])
// c - char (char)
//
// Return value : If the char exist in string (BOOLEAN).
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : 211675038
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
BOOLEAN CharInString(char text[], char c)
{
BOOLEAN exist = FALSE;
unsigned short counter = ZERO;
while ((text[counter] != c) * text[counter++]);
exist = (text[--counter] == c);
return (exist);
}
char * LastCharOfString(char * start_string)
{
while (*(start_string++));
return (--start_string);
}
//---------------------------------------------------------------------------------------
// StringLenght
// ------------
//
// General : Checks the lenght of string.
//
// Parameters :
// text - string (char[])
//
// Return value : Lenght of string (unsigned short).
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : None
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
unsigned short StringLenght(char *start_string)
{
return (LastCharOfString(start_string) - start_string);
}
//---------------------------------------------------------------------------------------
// StringCompare
// ------------------------
//
// General : Compare 2 strings.
//
// Parameters :
// text1 - string (char[])
// text2 - string (char[])
//
// Return value : If this 2 strings are equals (BOOLEAN).
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : 211675038
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
BOOLEAN StringCompare(char *start_stringA_index, char *start_stringB_index)
{
while ((*start_stringA_index) && (*(start_stringA_index++) == *(start_stringB_index++)));
return (*--start_stringA_index == *--start_stringB_index);
}
//---------------------------------------------------------------------------------------
// IndexCharInString
// -----------------
//
// General : Find the index of char in the string.
//
// Parameters :
// text - string (char[])
// c - char (char)
//
// Return value : The first index of the char in the string (unsigned short).
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : 211675038
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
unsigned short IndexCharInString(char text[], char c)
{
unsigned short counter = ZERO;
while (text[counter++] != c);
return (--counter);
}
//---------------------------------------------------------------------------------------
// CountCharInString
// -----------------
//
// General : Count how many the char is in the string.
//
// Parameters :
// text - string (char[])
// c - char (char)
//
// Return value : Count of char in the string (unsigned short).
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : None
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
unsigned short CountCharInString(char *start_string_index, char c)
{
unsigned short count = ZERO;
while (*start_string_index)
{
count += (*(start_string_index++) == c);
}
return (count);
}
//---------------------------------------------------------------------------------------
// CutString
// ---------
//
// General : Cut the string.
//
// Parameters :
// text - string (char[])
// start - from where (unsigned short)
//
// Return value : If the equation is ok (BOOLEAN).
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : None
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
void CutString(char *start_textA_index, char *end_textA_index, char *start_textB_index)
{
while (start_textA_index < end_textA_index)
{
*(start_textB_index++) = *(start_textA_index++);
}
*start_textB_index = BACKSLASH_ZERO;
}
//---------------------------------------------------------------------------------------
// CopyString
// ----------
//
// General : Copy second string into first string.
//
// Parameters :
// text - first text (char[])
// copy - second text (char[])
// start - from where to start (unsigned short)
//
// Return value : None.
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : 211675038
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
void CopyString(char *start_string_index, char *start_copy_index)
{
while (*start_copy_index)
{
*(start_string_index++) = *(start_copy_index++);
}
*(start_string_index) = BACKSLASH_ZERO;
}
//---------------------------------------------------------------------------------------
// LinkingString
// -------------
//
// General : Copy second string into end of first string.
//
// Parameters :
// textA - first text (char[])
// textB - second text (char[])
//
// Return value : None.
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : 211675038
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
void LinkingString(char *start_stringA_index, char *start_stringB_index)
{
CopyString(LastCharOfString(start_stringA_index), start_stringB_index);
}
//---------------------------------------------------------------------------------------
// ReverseString
// -------------
//
// General : Chnage to oppsite the string.
//
// Parameters :
// textA - first text (char[])
//
// Return value : None.
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : 211675038
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
void ReverseString(char textA[])
{
unsigned short textA_lenght = StringLenght(textA) - ONE,
counter,
loop_lenght = (textA_lenght + ONE) / TWO;
char temp_char;
for (counter = ZERO; counter < loop_lenght; counter++)
{
temp_char = textA[counter];
textA[counter] = textA[textA_lenght - counter];
textA[textA_lenght - counter] = temp_char;
}
}
//---------------------------------------------------------------------------------------
// StringBInStringA
// ----------------
//
// General : Check if string B exists in string A.
//
// Parameters :
// textA - first text (char[])
// textB - second text (char[])
//
// Return value : If string B exists in string A (BOOLEAN).
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : 211675038
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
/*BOOLEAN StringBInStringA(char textA[], char textB[])
{
BOOLEAN exist = FALSE;
unsigned short textA_lenght = StringLenght(textA);
unsigned short textB_lenght = StringLenght(textB);
char temp_textA[textA_lenght];
unsigned short counter;
unsigned short loop_length = textA_lenght - textB_lenght;
for (counter = ZERO; (counter < loop_length) * !exist; counter++)
{
CopyString(temp_textA, textA, ZERO);
CutString(temp_textA, counter, textB_lenght);
exist = StringCompare(temp_textA, textB);
}
return (exist);
}*/
//---------------------------------------------------------------------------------------
// IndexStringBInStringA
// ---------------------
//
// General : Find the index of string B in string A.
//
// Parameters :
// textA - first text (char[])
// textB - second text (char[])
//
// Return value : Index of string B in string A (unsigned short).
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : 211675038
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
char * IndexStringBInStringA(char *start_string_a, char *start_string_b)
{
char *ptr_string_a_temp = start_string_a;
char temp = BACKSLASH_ZERO;
BOOLEAN flag = FALSE;
unsigned short textB_lenght = StringLenght(start_string_b);
char *address = (ptr_string_a_temp + textB_lenght);
while ((*(address - ONE)) * !flag)
{
SwapChars(&temp, address);
flag = StringCompare(ptr_string_a_temp, start_string_b);
SwapChars(&temp, address);
address = ((++ptr_string_a_temp) + textB_lenght);
}
return (--ptr_string_a_temp);
}
//---------------------------------------------------------------------------------------
// CountStringBInStringA
// ---------------------
//
// General : Counting how many times stringB in stringA.
//
// Parameters :
// *start_string_a - Pointer of first string (char[])
// *start_string_b - Pointer of second string (char[])
//
// Return value : Count second string in first string (unsigned int).
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : 211675038
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
unsigned int CountStringBInStringA(char *start_string_a, char *start_string_b)
{
char *ptr_string_a_temp = start_string_a;
char temp = BACKSLASH_ZERO;
unsigned short count = ZERO;
unsigned short textB_lenght = StringLenght(start_string_b);
char *address = (ptr_string_a_temp + textB_lenght);
while (*(address - ONE))
{
SwapChars(&temp, address);
count += StringCompare(ptr_string_a_temp, start_string_b);
SwapChars(&temp, address);
address = ((++ptr_string_a_temp) + textB_lenght);
}
return (count);
}
//---------------------------------------------------------------------------------------
// CountStringBInStringA
// ---------------------
//
// General : Remove first string B from string A.
//
// Parameters :
// textA - first text (char[])
// textB - second text (char[])
//
// Return value : None.
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : 211675038
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
void RemoveStringBFromStringA(char *start_string_a, char *start_string_b)
{
unsigned short textB_lenght = StringLenght(start_string_b);
char *ptr_index_stringB_in_stringA = IndexStringBInStringA(start_string_a, start_string_b);
CopyString(ptr_index_stringB_in_stringA, ptr_index_stringB_in_stringA + textB_lenght);
}
//---------------------------------------------------------------------------------------
// CountStringBInStringA
// ---------------------
//
// General : Remove ALL string B from string A.
//
// Parameters :
// textA - first text (char[])
// textB - second text (char[])
//
// Return value : None.
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : 211675038
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
void RemoveAllStringBFromStringA(char *start_stringA_index, char *start_stringB_index)
{
unsigned short loop_lenght = CountStringBInStringA(start_stringA_index, start_stringB_index);
unsigned short counter;
for (counter = ZERO; counter < loop_lenght; counter++)
{
RemoveStringBFromStringA(start_stringA_index, start_stringB_index);
}
}
//---------------------------------------------------------------------------------------
// ValidParenthesesTemplate
// ------------------------
//
// General : checks if the string is a good equation.
//
// Parameters :
// text - string (char[])
//
// Return value : If the equation is ok (BOOLEAN).
//
//---------------------------------------------------------------------------------------
// Programmer : Cohen Idan
// Student No : 211675038
// Date : 04.10.2019
//---------------------------------------------------------------------------------------
BOOLEAN ValidParenthesesTemplate(char text[])
{
unsigned short counter = ZERO;
short count_parenthesis = ZERO;
while (text[counter] * (count_parenthesis + ONE))
{
count_parenthesis += (text[counter] == '(');
count_parenthesis -= (text[counter] == ')');
}
return (!count_parenthesis);
}
unsigned short CharToNumber(char *c)
{
return (unsigned short)((*c) - '0');
}