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int isValid(char c)
{
return c == '.' || c == '!' || c == '?';
}
char ook2bfchar(char a, char b)
{
if (a == '.' && b == '?')
return '>';
if (a == '?' && b == '.')
return '<';
if (a == '.' && b == '.')
return '+';
if (a == '!' && b == '!')
return '-';
if (a == '!' && b == '.')
return '.';
if (a == '.' && b == '!')
return ',';
if (a == '!' && b == '?')
return '[';
if (a == '?' && b == '!')
return ']';
return '.';
}
int bfsize(char* text, int filesize)
{
int i;
int sz = 0;
for (i = 0; i < filesize; i++)
if (isValid(text[i]))
sz++;
sz -= sz % 2;
return sz;
}
int getSize(FILE *fp)
{
fseek(fp, 0L, SEEK_END);
int sz = ftell(fp);
fseek(fp, 0L, SEEK_SET);
return sz;
}
char* ook2bf(char* in_filename)
{
FILE* in_file;
int filesize;
int i;
in_file = fopen(in_filename, "r");
filesize = getSize(in_file);
char ook[filesize];
fread(ook, 1, filesize, in_file);
fclose(in_file);
char* bf = malloc(bfsize(ook, filesize));
int index = 0;
char c;
char last_character = '0';
for (i = 0; i < filesize; i++)
{
if (isValid(ook[i]))
{
if (last_character == '0')
last_character = ook[i];
else
{
c = ook2bfchar(last_character, ook[i]);
bf[index] = c;
index++;
last_character = '0';
}
}
}
return bf;
}
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