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/**********************************************************************
*
* Description: If a text string is created outside of C, the
* escape codes are not correctly stored. This
* routine will prepare them for C's use.
*
* Author : M.J. Leslie
* Date: 25-Feb-96
*
*********************************************************************/
void mos_ConvertEscapeCode(char *String, char *Code);
int main(int argc, char *argv[])
{
if (argc == 1)
{
puts("\n\tPlease provide a text string on the command line.");
}
else
{
printf("I/P string is: %s\n", argv[1]);
mos_ConvertEscapeCode(argv[1], "\\n");
mos_ConvertEscapeCode(argv[1], "\\t");
mos_ConvertEscapeCode(argv[1], "\\v");
mos_ConvertEscapeCode(argv[1], "\\b");
mos_ConvertEscapeCode(argv[1], "\\r");
mos_ConvertEscapeCode(argv[1], "\\f");
printf("O/P string is: %s\n", argv[1]);
}
}
/**********************************************************************
*
* Purpose: To convert escape codes in text form into
* actual codes.
*
* I/P -------------------------------
* | A | B | C | \ | n | D | E | F |
* -------------------------------
*
* O/P ----------------------------
* | A | B | C | \n | D | E | F |
* ----------------------------
*
**********************************************************************/
void mos_ConvertEscapeCode(char *String, char *Code)
{
char *Ptr1;
char *Ptr2;
char EscCode = ' ';
/* ... Make sure the Code is long enough */
if (strlen(Code) == 2)
{
/* ... Find the right escape code. */
switch(Code[1])
{
case 'n': /* New line */
EscCode = '\n';
break;
case 't': /* Horizontal tab */
EscCode = '\t';
break;
case 'v': /* Vertical tab */
EscCode = '\v';
break;
case 'b': /* Backspace */
EscCode = '\b';
break;
case 'r': /* Return */
EscCode = '\r';
break;
case 'f': /* Form feed */
EscCode = '\f';
break;
default:
break;
}
/* ... If the escape code has been found */
if (EscCode != ' ')
{
/* ... Copy each character until the text code is found,
... insert the escape code and copy the remaining chars. */
for (Ptr1=Ptr2=String; Ptr2 < (String+strlen(String)+1); Ptr1++, Ptr2++)
{
if ((*Ptr2 == '\\') && (*(Ptr2+1) == Code[1]))
{
*Ptr1 = EscCode;
Ptr2++;
}
else
{
*Ptr1 = *Ptr2;
}
}
}
}
}
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