void test_strview_basics(const string_view& sv, const char *p, size_t n) { ASSERT_EQ(p, sv.data()); ASSERT_EQ(n, sv.size()); ASSERT_EQ(n, sv.length()); ASSERT_EQ((n == 0), sv.empty()); ASSERT_EQ(p, sv.cbegin()); ASSERT_EQ(p, sv.begin()); ASSERT_EQ(p + n, sv.cend()); ASSERT_EQ(p + n, sv.end()); using reviter_t = std::reverse_iterator<string_view::const_iterator>; ASSERT_EQ(reviter_t(sv.end()), sv.rbegin()); ASSERT_EQ(reviter_t(sv.begin()), sv.rend()); ASSERT_EQ(reviter_t(sv.cend()), sv.crbegin()); ASSERT_EQ(reviter_t(sv.cbegin()), sv.crend()); for (size_t i = 0; i < n; ++i) { ASSERT_EQ(p[i], sv[i]); ASSERT_EQ(p[i], sv.at(i)); } ASSERT_THROW(sv.at(n), std::out_of_range); ASSERT_THROW(sv.at(string_view::npos), std::out_of_range); if (n > 0) { ASSERT_EQ(p, &(sv.front())); ASSERT_EQ(p + (n-1), &(sv.back())); ASSERT_EQ(p[0], sv.front()); ASSERT_EQ(p[n-1], sv.back()); } }
string transcription::to_rna(string_view strand) { string result; transform(strand.begin(), strand.end(), back_inserter(result), static_cast<char (*)(char)>(to_rna)); return result; }
int main() { using string_view = std::experimental::string_view; using u16string_view = std::experimental::u16string_view; using u32string_view = std::experimental::u32string_view; using wstring_view = std::experimental::wstring_view; test(string_view {}); test(string_view { "123"}); test(u16string_view{}); test(u16string_view{u"123"}); test(u32string_view{}); test(u32string_view{U"123"}); test(wstring_view {}); test(wstring_view {L"123"}); { constexpr string_view sv { "123", 3 }; constexpr u16string_view u16sv {u"123", 3 }; constexpr u32string_view u32sv {U"123", 3 }; constexpr wstring_view wsv {L"123", 3 }; static_assert ( sv.begin() != sv.end(), "" ); static_assert ( u16sv.begin() != u16sv.end(), "" ); static_assert ( u32sv.begin() != u32sv.end(), "" ); static_assert ( wsv.begin() != wsv.end(), "" ); static_assert ( sv.begin() != sv.cend(), "" ); static_assert ( u16sv.begin() != u16sv.cend(), "" ); static_assert ( u32sv.begin() != u32sv.cend(), "" ); static_assert ( wsv.begin() != wsv.cend(), "" ); } }
void Request::add_line_to_multiline_header(const string_view& line, const string_view& header) { auto non_whitespace_pos = line.find_first_not_of("\t "); if (non_whitespace_pos != line.end()) if (!header.empty()) headers_[header.str()] += line.substr(non_whitespace_pos).str(); }
string_view ParserKeyword::getDeckName( const string_view& str ) { auto first_sep = std::find_if( str.begin(), str.end(), RawConsts::is_separator() ); // only look at the first 8 characters (at most) if( std::distance( str.begin(), first_sep ) < 9 ) return { str.begin(), first_sep }; return { str.begin(), str.begin() + 9 }; }
config_option::config_option(string_view category, string_view name, string_view description, const meta_state* meta, void* value) : meta_(meta), value_(value) { using std::copy; using std::accumulate; auto comma = name.find(','); auto long_name = name.substr(0, comma); auto short_names = comma == string_view::npos ? string_view{} : name.substr(comma + 1); auto total_size = [](std::initializer_list<string_view> xs) { return (xs.size() - 1) // one separator between all fields + accumulate(xs.begin(), xs.end(), size_t{0}, [](size_t x, string_view sv) { return x + sv.size(); }); }; auto ts = total_size({category, long_name, short_names, description}); CAF_ASSERT(ts <= std::numeric_limits<uint16_t>::max()); buf_size_ = static_cast<uint16_t>(ts); buf_.reset(new char[ts]); // fille the buffer with "<category>.<long-name>,<short-name>,<descriptions>" auto first = buf_.get(); auto i = first; auto pos = [&] { return static_cast<uint16_t>(std::distance(first, i)); }; // <category>. i = copy(category.begin(), category.end(), i); category_separator_ = pos(); *i++ = '.'; // <long-name>, i = copy(long_name.begin(), long_name.end(), i); long_name_separator_ = pos(); *i++ = ','; // <short-names>, i = copy(short_names.begin(), short_names.end(), i); short_names_separator_ = pos(); *i++ = ','; // <description> i = copy(description.begin(), description.end(), i); CAF_ASSERT(pos() == buf_size_); }
bool ParserKeyword::validDeckName( const string_view& name) { if( !validNameStart( name ) ) return false; const auto valid = []( char c ) { return std::isalnum( c ) || c == '-' || c == '_' || c == '+'; }; return std::all_of( name.begin() + 1, name.end(), valid ); }
bool ParserKeyword::matches(const string_view& name ) const { if (!validDeckName(name )) return false; else if( m_deckNames.count( name.string() ) ) return true; else if (hasMatchRegex()) { return boost::regex_match( name.begin(), name.end(), m_matchRegex); } return false; }
static int ProcessBrackets(string_view const Str, wchar_t const EndMark, brackets& Brackets) { for (auto Iterator = Str.begin(); Iterator != Str.end(); ++Iterator) { if (*Iterator == L'(') { if (!Brackets.Bracket) { Brackets.Bracket = true; Brackets.BeginBracket = &*Iterator; } ++Brackets.BracketsCount; } else if (*Iterator == L')') { if (!Brackets.BracketsCount) return 0; --Brackets.BracketsCount; if (!Brackets.BracketsCount) { if (!Brackets.EndBracket) Brackets.EndBracket = &*Iterator; } } else if (*Iterator == EndMark && !!Brackets.BeginBracket == !!Brackets.EndBracket) { if (Brackets.BracketsCount) return 0; return Iterator - Str.begin() + 1; } } return 0; };
int main() { typedef std::string_view string_view; typedef std::u16string_view u16string_view; typedef std::u32string_view u32string_view; typedef std::wstring_view wstring_view; test(string_view ()); test(u16string_view()); test(u32string_view()); test(wstring_view ()); test(string_view ( "123")); test(wstring_view (L"123")); #if TEST_STD_VER >= 11 test(u16string_view{u"123"}); test(u32string_view{U"123"}); #endif #if TEST_STD_VER > 11 { constexpr string_view sv { "123", 3 }; constexpr u16string_view u16sv {u"123", 3 }; constexpr u32string_view u32sv {U"123", 3 }; constexpr wstring_view wsv {L"123", 3 }; static_assert ( sv.begin() != sv.end(), "" ); static_assert ( u16sv.begin() != u16sv.end(), "" ); static_assert ( u32sv.begin() != u32sv.end(), "" ); static_assert ( wsv.begin() != wsv.end(), "" ); static_assert ( sv.begin() != sv.cend(), "" ); static_assert ( u16sv.begin() != u16sv.cend(), "" ); static_assert ( u32sv.begin() != u32sv.cend(), "" ); static_assert ( wsv.begin() != wsv.cend(), "" ); } #endif }
inline bool is_dot_dot(const string_view &s) { return (s.end()-s.begin()==2) && (*(s.begin())=='.') && (*(s.begin()+1)=='.'); }
static string ConvertString(const string_view Src) { string Result; Result.reserve(Src.size()); for (auto i = Src.begin(); i != Src.end(); ++i) { switch (*i) { case L'\\': if (++i == Src.end()) { Result.push_back(L'\\'); return Result; } switch (*i) { case L'\\': Result.push_back(L'\\'); break; case L'"': Result.push_back(L'"'); break; case L'n': Result.push_back(L'\n'); break; case L'r': Result.push_back(L'\r'); break; case L'b': Result.push_back(L'\b'); break; case L't': Result.push_back('\t'); break; default: Result.push_back(L'\\'); --i; break; } break; case L'"': Result.push_back(L'"'); if (++i == Src.end()) return Result; if (*i != L'"') --i; break; default: Result.push_back(*i); break; } } return Result; }