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phone_number: iteration 1

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This commit is contained in:
Dmitry Kokorin 2016-03-03 18:00:08 +03:00
parent c5ea194574
commit 1024285d52
2 changed files with 29 additions and 5 deletions
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31
cpp/phone-number/phone_number.cpp
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@ -1,13 +1,33 @@
#include "phone_number.h"
#include <algorithm>
#include <ctype>
#include <cctype>
using namespace std;
static const int number_size = 10;
static const int area_code_size = 3;
static const int first_part_size = 3;
static const char invalid_number[] = "0000000000";
phone_number::phone_number(const string &str)
{
static const string invalid_number = "0000000000";
number_.resize(str.size());
string::iterator iter = copy_if(str.cbegin(), str.cend(),
number_.begin(), static_cast<int (*)(int)>(isdigit));
number_.resize(distance(number_.begin(), iter));
if (number_.size() == number_size + 1 && number_.front() == '1') {
number_.erase(number_.begin());
}
if (number_.size() != number_size) {
number_ = invalid_number;
}
}
string phone_number::number() const
@ -17,10 +37,13 @@ string phone_number::number() const
string phone_number::area_code() const
{
return area_code_;
return number_.substr(0, area_code_size);
}
phone_number::operator string() const
{
return number_;
return string("(") + area_code() + ") "
+ number_.substr(area_code_size, first_part_size)
+ '-'
+ number_.substr(area_code_size + first_part_size, string::npos);
}