66 lines
1.3 KiB
C++
66 lines
1.3 KiB
C++
/* Highlights reserved keywords*/
|
|
#include <iostream>
|
|
#include <string>
|
|
#include <sstream>
|
|
#include <fstream>
|
|
#include <string.h>
|
|
|
|
/* Color codes */
|
|
#define COLOR_GREEN "\033[1;32m"
|
|
#define COLOR_RESET "\033[0m"
|
|
#define COLOR_RED "\033[31m"
|
|
/* *********** */
|
|
|
|
bool is_keyword(std::string&);
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
if (argc < 2) {
|
|
std::cout << "Usage: " << argv[0] << " <file>\n";
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
std::ifstream file(argv[1]);
|
|
if (!file.is_open()) {
|
|
std::cout << "Error opening file.\n";
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
std::string word; char c;
|
|
while (file.get(c))
|
|
{
|
|
if (isalpha(c) || c=='#')
|
|
word += c;
|
|
else {
|
|
if (is_keyword(word))
|
|
std::cout << COLOR_GREEN << word << COLOR_RESET;
|
|
else if (strcmp(word.c_str(),"#define")==0 || strcmp(word.c_str(),"#include")==0)
|
|
std::cout << COLOR_RED << word << COLOR_RESET;
|
|
else
|
|
std::cout << word;
|
|
std::cout << c;
|
|
word="";
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
bool is_keyword(std::string &word)
|
|
{
|
|
static const char *keywords[] =
|
|
{
|
|
"auto","break","case","char",
|
|
"const","continue","default","do",
|
|
"double","else","enum","extern",
|
|
"float","for", "goto", "if",
|
|
"int","long","register","return",
|
|
"short","signed","sizeof","static",
|
|
"struct","switch","typedef","union",
|
|
"unsigned","void","volatile","while",
|
|
"bool"
|
|
};
|
|
for (auto &w : keywords)
|
|
if (w==word) return true;
|
|
return false;
|
|
}
|