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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <iomanip>
// quoted
#include <iomanip>
#include <sstream>
#include <string>
#include <cassert>
#if _LIBCPP_STD_VER > 11
bool is_skipws ( const std::istream *is ) {
return ( is->flags() & std::ios_base::skipws ) != 0;
}
bool is_skipws ( const std::wistream *is ) {
return ( is->flags() & std::ios_base::skipws ) != 0;
}
void both_ways ( const char *p ) {
std::string str(p);
auto q = std::quoted(str);
std::stringstream ss;
bool skippingws = is_skipws ( &ss );
ss << q;
ss >> q;
}
void round_trip ( const char *p ) {
std::stringstream ss;
bool skippingws = is_skipws ( &ss );
ss << std::quoted(p);
std::string s;
ss >> std::quoted(s);
assert ( s == p );
assert ( skippingws == is_skipws ( &ss ));
}
void round_trip_ws ( const char *p ) {
std::stringstream ss;
std::noskipws ( ss );
bool skippingws = is_skipws ( &ss );
ss << std::quoted(p);
std::string s;
ss >> std::quoted(s);
assert ( s == p );
assert ( skippingws == is_skipws ( &ss ));
}
void round_trip_d ( const char *p, char delim ) {
std::stringstream ss;
ss << std::quoted(p, delim);
std::string s;
ss >> std::quoted(s, delim);
assert ( s == p );
}
void round_trip_e ( const char *p, char escape ) {
std::stringstream ss;
ss << std::quoted(p, '"', escape );
std::string s;
ss >> std::quoted(s, '"', escape );
assert ( s == p );
}
std::string quote ( const char *p, char delim='"', char escape='\\' ) {
std::stringstream ss;
ss << std::quoted(p, delim, escape);
std::string s;
ss >> s; // no quote
return s;
}
std::string unquote ( const char *p, char delim='"', char escape='\\' ) {
std::stringstream ss;
ss << p;
std::string s;
ss >> std::quoted(s, delim, escape);
return s;
}
void test_padding () {
{
std::stringstream ss;
ss << std::left << std::setw(10) << std::setfill('!') << std::quoted("abc", '`');
assert ( ss.str() == "`abc`!!!!!" );
}
{
std::stringstream ss;
ss << std::right << std::setw(10) << std::setfill('!') << std::quoted("abc", '`');
assert ( ss.str() == "!!!!!`abc`" );
}
}
void round_trip ( const wchar_t *p ) {
std::wstringstream ss;
bool skippingws = is_skipws ( &ss );
ss << std::quoted(p);
std::wstring s;
ss >> std::quoted(s);
assert ( s == p );
assert ( skippingws == is_skipws ( &ss ));
}
void round_trip_ws ( const wchar_t *p ) {
std::wstringstream ss;
std::noskipws ( ss );
bool skippingws = is_skipws ( &ss );
ss << std::quoted(p);
std::wstring s;
ss >> std::quoted(s);
assert ( s == p );
assert ( skippingws == is_skipws ( &ss ));
}
void round_trip_d ( const wchar_t *p, wchar_t delim ) {
std::wstringstream ss;
ss << std::quoted(p, delim);
std::wstring s;
ss >> std::quoted(s, delim);
assert ( s == p );
}
void round_trip_e ( const wchar_t *p, wchar_t escape ) {
std::wstringstream ss;
ss << std::quoted(p, wchar_t('"'), escape );
std::wstring s;
ss >> std::quoted(s, wchar_t('"'), escape );
assert ( s == p );
}
std::wstring quote ( const wchar_t *p, wchar_t delim='"', wchar_t escape='\\' ) {
std::wstringstream ss;
ss << std::quoted(p, delim, escape);
std::wstring s;
ss >> s; // no quote
return s;
}
std::wstring unquote ( const wchar_t *p, wchar_t delim='"', wchar_t escape='\\' ) {
std::wstringstream ss;
ss << p;
std::wstring s;
ss >> std::quoted(s, delim, escape);
return s;
}
int main()
{
both_ways ( "" ); // This is a compilation check
round_trip ( "" );
round_trip_ws ( "" );
round_trip_d ( "", 'q' );
round_trip_e ( "", 'q' );
round_trip ( L"" );
round_trip_ws ( L"" );
round_trip_d ( L"", 'q' );
round_trip_e ( L"", 'q' );
round_trip ( "Hi" );
round_trip_ws ( "Hi" );
round_trip_d ( "Hi", '!' );
round_trip_e ( "Hi", '!' );
assert ( quote ( "Hi", '!' ) == "!Hi!" );
assert ( quote ( "Hi!", '!' ) == R"(!Hi\!!)" );
round_trip ( L"Hi" );
round_trip_ws ( L"Hi" );
round_trip_d ( L"Hi", '!' );
round_trip_e ( L"Hi", '!' );
assert ( quote ( L"Hi", '!' ) == L"!Hi!" );
assert ( quote ( L"Hi!", '!' ) == LR"(!Hi\!!)" );
round_trip ( "Hi Mom" );
round_trip_ws ( "Hi Mom" );
round_trip ( L"Hi Mom" );
round_trip_ws ( L"Hi Mom" );
assert ( quote ( "" ) == "\"\"" );
assert ( quote ( L"" ) == L"\"\"" );
assert ( quote ( "a" ) == "\"a\"" );
assert ( quote ( L"a" ) == L"\"a\"" );
// missing end quote - must not hang
assert ( unquote ( "\"abc" ) == "abc" );
assert ( unquote ( L"\"abc" ) == L"abc" );
assert ( unquote ( "abc" ) == "abc" ); // no delimiter
assert ( unquote ( L"abc" ) == L"abc" ); // no delimiter
assert ( unquote ( "abc def" ) == "abc" ); // no delimiter
assert ( unquote ( L"abc def" ) == L"abc" ); // no delimiter
assert ( unquote ( "" ) == "" ); // nothing there
assert ( unquote ( L"" ) == L"" ); // nothing there
test_padding ();
}
#else
int main() {}
#endif
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