exercism-solutions/cpp/bob/bob.cpp

57 lines
949 B
C++

#include "bob.h"
#include <algorithm>
#include <locale>
#include <string>
namespace bob {
using namespace std;
namespace {
void trim_spaces(string &str)
{
str.erase(remove_if(str.begin(), str.end(),
[](char c){return isspace(static_cast<unsigned char>(c));}),
str.end());
}
string to_uppercase(const string &str)
{
string result = str;
for (auto & c: result)
c = toupper(c);
return result;
}
bool has_alpha(const string &str)
{
return find_if(str.begin(), str.end(),
[](char c){return isalpha(static_cast<unsigned char>(c));}) != str.end();
}
}
const char * hey(const char input[])
{
string str(input);
trim_spaces(str);
if (str.empty())
return "Fine. Be that way!";
if (has_alpha(str) && str == to_uppercase(str))
return "Whoa, chill out!";
if ('?' == str.back())
return "Sure.";
return "Whatever.";
}
}