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#include "type.h"
#include "ascii.h"
#include <array>
bool IsSpace(const char* s, size_t len) noexcept {
if (len == 0) {
return false;
}
for (const char* p = s; p < s + len; ++p) {
if (!IsAsciiSpace(*p)) {
return false;
}
}
return true;
}
template <typename TStringType>
static bool IsNumberT(const TStringType& s) noexcept {
if (s.empty()) {
return false;
}
return std::all_of(s.begin(), s.end(), IsAsciiDigit<typename TStringType::value_type>);
}
bool IsNumber(const TStringBuf s) noexcept {
return IsNumberT(s);
}
bool IsNumber(const TWtringBuf s) noexcept {
return IsNumberT(s);
}
template <typename TStringType>
static bool IsHexNumberT(const TStringType& s) noexcept {
if (s.empty()) {
return false;
}
return std::all_of(s.begin(), s.end(), IsAsciiHex<typename TStringType::value_type>);
}
bool IsHexNumber(const TStringBuf s) noexcept {
return IsHexNumberT(s);
}
bool IsHexNumber(const TWtringBuf s) noexcept {
return IsHexNumberT(s);
}
namespace {
template <size_t N>
bool IsCaseInsensitiveAnyOf(TStringBuf str, const std::array<TStringBuf, N>& options) {
for (auto option : options) {
if (str.size() == option.size() && ::strnicmp(str.data(), option.data(), str.size()) == 0) {
return true;
}
}
return false;
}
} //anonymous namespace
bool IsTrue(const TStringBuf v) noexcept {
static constexpr std::array<TStringBuf, 7> trueOptions{
"true",
"t",
"yes",
"y",
"on",
"1",
"da"};
return IsCaseInsensitiveAnyOf(v, trueOptions);
}
bool IsFalse(const TStringBuf v) noexcept {
static constexpr std::array<TStringBuf, 7> falseOptions{
"false",
"f",
"no",
"n",
"off",
"0",
"net"};
return IsCaseInsensitiveAnyOf(v, falseOptions);
}
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