oc_string.c

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#define _GNU_SOURCE
#include <oc_string.h>
#include <stdint.h>

#define _________________________________________INTERFACE_SECTION__________________________________________________________________________

void string_reverse( char * String )
{
    uint32_t stringLength = strlen(String);
    uint32_t leftIndex    = 0;
    uint32_t rightIndex   = stringLength - 1;
    uint32_t leftEndIndex = stringLength / 2;
    char     savedSign    = 0;

    while(leftIndex < leftEndIndex)
    {
        savedSign = String[leftIndex];

        String[leftIndex] = String[rightIndex];
        String[rightIndex]   = savedSign;

        rightIndex--;
        leftIndex++;
    }
}

void remove_in_string( char * String , uint32_t Index , uint32_t NumberOfCharacters )
{
    uint32_t length             = strlen(String);
    uint32_t lengthAfterRemove  = length - NumberOfCharacters;

    for(uint32_t i = Index ; i < length ; i++)
    {
        if(i < lengthAfterRemove)
        {
            String[i] = String[i+NumberOfCharacters];
        }
        else
        {
            String[i] = 0;
        }
    }
}

uint32_t put_to_string( char * String , uint32_t Size , uint32_t Index , char C )
{
    uint32_t length         = strlen(String);
    uint32_t lengthAfterPut = length + 1;
    uint32_t maxStringLength= Size - 1;
    if(Size > 1 && Index < maxStringLength)
    {
        if(lengthAfterPut > maxStringLength)
        {
            lengthAfterPut = maxStringLength;
        }
        for(uint32_t i = (lengthAfterPut - 1); i > Index ; i--)
        {
            String[i] = String[i-1];
        }

        String[Index++]        = C;
        String[lengthAfterPut] = 0;
    }
    return Index;
}

uint32_t string_backspace( char * String , uint32_t Index )
{
    uint32_t length = strlen(String);
    if(Index <= length && Index > 0)
    {
        Index--;
        if(Index > 0 && String[Index] == '\r' && String[Index-1] == '\n')
        {
            Index--;
            remove_in_string(String,Index,2);
        }
        else
        {
            remove_in_string(String,Index,1);
        }
    }

    return Index;
}

bool string_contains( const char * String , const char * SubString , bool CaseSensitive )
{
    if(CaseSensitive)
    {
        return strstr(String,SubString) != NULL;
    }
    else
    {
        return strcasestr(String,SubString) != NULL;
    }
}

bool string_contains_special_characters( const char * String)
{
    bool contains = false;

    if(String != NULL)
    {
        uint32_t length = strlen(String);

        for(uint32_t i = 0 ; i < length ; i++)
        {
            if(   (uint8_t)String[i] < (uint8_t)'0' ||
                ( (uint8_t)String[i] > (uint8_t)'9' && (uint8_t)String[i] < (uint8_t)'A' )  ||
                ( (uint8_t)String[i] > (uint8_t)'Z' && (uint8_t)String[i] < (uint8_t)'a' )  ||
                ( (uint8_t)String[i] > (uint8_t)'z')
               )
            {
                contains = true;
                break;
            }
        }
    }

    return contains;
}

#undef  _________________________________________INTERFACE_SECTION__________________________________________________________________________