int main(int argc, char *argv[])
{
int pid, todc[2], fromdc[2];
/* make tow pipes */
if (pipe(todc) == -1 || pipe(fromdc) == -1)
opps("pipe failed", 1);
/* get a process for user interface */
if ((pid = fork()) == -1)
opps("Cannot fork", 2);
if (pid == 0) /* child dc */
be_dc(todc, fromdc);
else{
be_bc(todc, fromdc);
wait(NULL);
}
return 0;
}
int be_dc(int in[2], int out[2])
/* set up stdin and stdout, then execl dc */
{
/* setup stdin from pipein */
if (dup2(in[0], 0) == -1) { /* copy read end to 0 */
opps("dc: cannot redirect stdin", 3);
}
close(in[0]); /* moved to fd0 */
close(in[1]); /* won't write here */
/* set up stdout to pipeout */
if (dup2(out[1], 1) == -1) {
opps("dc: cannot readirect stdout", 4);
}
close(out[1]); /* moved to fd1 */
close(out[0]); /* won't read from here */
/* now execl dc with the - option */
execlp("dc", "dc", "-", NULL);
opps("Cannot run dc", 5);
}
int check_syntax(const char *message)
{
int l_check = 0;
int m_check = 0;
int b_check = 0;
int i = 0;
for (i = 0; i < strlen(message); i++) {
switch (message[i]) {
case '(':
l_check++;
break;
case ')':
l_check--;
break;
case '[':
m_check++;
break;
case ']':
m_check--;
break;
case '{':
b_check++;
break;
case '}':
b_check--;
break;
default:
continue;
}
if (l_check < 0 || m_check < 0 ||
b_check < 0) {
opps("syntax errors\n", 98);
}
}
return 1;
}
std::string Value::asString(void) const
{
std::string id = get_cur_union_member_type_id(m_index);
if(typeid(bool).name()==id)
{//bool m_bool; //0
if(m_data.m_bool)
return "true";
else
return "false";
}
else if(typeid(char).name()==id)
{//char m_char; //1
char tmp[2];
tmp[0] = m_data.m_char;
tmp[1] = 0;
return std::string(tmp);
}
else if(typeid(const char*).name()==id)
{//const char* m_char_ptr; //2
if(m_data.m_char_ptr != nullptr)
{
const char *ptr = m_data.m_char_ptr;
char tmp[size];
unsigned int cnt = 0;
while(*ptr != '\0' && cnt < size)
{
tmp[cnt] = ptr[cnt];
cnt++;
}
tmp[cnt] = 0;
return std::string(tmp);
}
else
opps();
}
else if(typeid(unsigned char).name()==id)
{//unsigned char m_uchar; //3
char tmp[2];
tmp[0] = LinuxUtility::convertIntegerToDigitCharacter(m_data.m_uchar);
tmp[1] = 0;
return std::string(tmp);
}
else if(typeid(const unsigned char*).name()==id)
{//const unsigned char* m_uchar_ptr; //4
if(m_data.m_uchar_ptr != nullptr)
{
const unsigned char *ptr = m_data.m_uchar_ptr;
char tmp[size];
unsigned int cnt = 0;
while(*ptr != '\0' && cnt < size)
{
tmp[cnt] = (char)ptr[cnt];
cnt++;
}
tmp[cnt] = 0;
return std::string(tmp);
}
else
opps();
}
else if(typeid(short).name()==id)
{//short m_short; //5
char tmp[256];
memset(tmp,0,sizeof(tmp));
sprintf(tmp,"%hd",m_data.m_short);
return std::string(tmp);
}
else if(typeid(const short*).name()==id)
{//const short* m_short_ptr; //6
char tmp[256];
memset(tmp,0,sizeof(tmp));
if(m_data.m_short_ptr != nullptr)
sprintf(tmp,"%hd",*m_data.m_short_ptr);
else
opps();
return std::string(tmp);
}
else if(typeid(unsigned short).name()==id)
{//unsigned short m_ushort; //7
char tmp[256];
memset(tmp,0,sizeof(tmp));
sprintf(tmp,"%hu",m_data.m_ushort);
return std::string(tmp);
}
else if(typeid(const unsigned short*).name()==id)
{//const unsigned short* m_ushort_ptr; //8
char tmp[256];
memset(tmp,0,sizeof(tmp));
if(m_data.m_ushort_ptr != nullptr)
sprintf(tmp,"%hu",*m_data.m_ushort_ptr);
else
opps();
return std::string(tmp);
}
else if(typeid(int).name()==id)
{//int m_int; //9
char tmp[256];
memset(tmp,0,sizeof(tmp));
sprintf(tmp,"%d",m_data.m_int);
return std::string(tmp);
}
else if(typeid(const int*).name()==id)
{//const int* m_int_ptr; //10
char tmp[256];
memset(tmp,0,sizeof(tmp));
if(m_data.m_int_ptr != nullptr)
sprintf(tmp,"%d",*m_data.m_int_ptr);
else
opps();
return std::string(tmp);
}
else if(typeid(unsigned int).name()==id)
{//unsigned int m_uint; //11
char tmp[256];
memset(tmp,0,sizeof(tmp));
sprintf(tmp,"%u",m_data.m_uint);
return std::string(tmp);
}
else if(typeid(const unsigned int*).name()==id)
{//const unsigned int* m_uint_ptr; //12
char tmp[256];
memset(tmp,0,sizeof(tmp));
if(m_data.m_uint_ptr != nullptr)
sprintf(tmp,"%u",*m_data.m_uint_ptr);
else
opps();
return std::string(tmp);
}
else if(typeid(long).name()==id)
{//long m_long; //13
char tmp[256];
memset(tmp,0,sizeof(tmp));
sprintf(tmp,"%ld",m_data.m_long);
return std::string(tmp);
}
else if(typeid(const long*).name()==id)
{//const long* m_long_ptr; //14
char tmp[256];
memset(tmp,0,sizeof(tmp));
if(m_data.m_long_ptr != nullptr)
sprintf(tmp,"%ld",*m_data.m_long_ptr);
else
opps();
return std::string(tmp);
}
else if(typeid(unsigned long).name()==id)
{//unsigned long m_ulong; //15
char tmp[256];
memset(tmp,0,sizeof(tmp));
sprintf(tmp,"%lu",m_data.m_ulong);
return std::string(tmp);
}
else if(typeid(const unsigned long*).name()==id)
{//const unsigned long* m_ulong_ptr; //16
char tmp[256];
memset(tmp,0,sizeof(tmp));
if(m_data.m_ulong_ptr != nullptr)
sprintf(tmp,"%lu",*m_data.m_ulong_ptr);
else
opps();
return std::string(tmp);
}
else if(typeid(float).name()==id)
{//float m_float; //17
char tmp[256];
memset(tmp,0,sizeof(tmp));
sprintf(tmp,"%f",m_data.m_float);
return std::string(tmp);
}
else if(typeid(const float*).name()==id)
{//const float* m_float_ptr; //18
char tmp[256];
memset(tmp,0,sizeof(tmp));
if(m_data.m_float_ptr != nullptr)
sprintf(tmp,"%f",*m_data.m_float_ptr);
else
opps();
return std::string(tmp);
}
else if(typeid(double).name()==id)
{//double m_double; //19
char tmp[256];
memset(tmp,0,sizeof(tmp));
sprintf(tmp,"%lf",m_data.m_double);
return std::string(tmp);
}
else if(typeid(const double*).name()==id)
{//const double* m_double_ptr; //20
char tmp[256];
memset(tmp,0,sizeof(tmp));
if(m_data.m_double_ptr != nullptr)
sprintf(tmp,"%lf",*m_data.m_double_ptr);
else
opps();
return std::string(tmp);
}
else if(typeid(const std::string*).name()==id)
{//const std::string* m_string_ptr; //21
if(m_data.m_string_ptr != nullptr)
return *m_data.m_string_ptr;
else
opps();
}
else if(typeid(const Value*).name()==id)
{//const Value* m_value_ptr; //22
//return convert_value_to_string(m_data.m_value_ptr);
if(m_data.m_value_ptr != nullptr)
return m_data.m_value_ptr->asString();
else
opps();
}
else if(typeid(const ColorCode).name()==id)
{//const ColorCode m_color_code; //23
std::string tmp;
tmp = "\e[" + Value((int)m_data.m_color_code).asString() + "m";
return tmp;
}
