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3 Commits

Author SHA1 Message Date
Johannes Kapfhammer 492a0f3c55 run clang-format 2019-10-06 18:38:23 +02:00
Johannes Kapfhammer 4d25fc25c4 fix pretty printer for recursive types 2019-10-06 18:37:37 +02:00
Johannes Kapfhammer 310d119ffb include map 2019-10-06 18:35:55 +02:00
7 changed files with 608 additions and 536 deletions

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@ -1,7 +1,7 @@
// compile-command: "g++ -Iinclude -D_GLIBCXX_DEBUG -fsanitize=address,undefined -g3 -ggdb3 -std=c++17 example.cpp -o example && SOI_H_COLOR=1 SOI_H_EOFCHECK=1 ./example <<< ''"
#include <soi>
signed main() {
signed main() {
dbg("hi");
string s="world";
dbg(s);
@ -11,6 +11,9 @@ signed main() {
vector<int> pi{3,1,4,1,5,9,2,6};
dbg(pi);
dbg(vector<int>{3,1,4,1,5,9,2,6});
dbg(pi);
dbg(vector<pair<int, int>>{{3,1},{4,1}});
dbg(vector<pair<int, vector<string>>>{{3,{"hi"}},{4,{"hello", "world"}}});
dbg(set<int>{3,1,4});
dbg(map<int, string>{{3,"three"},{1,"one"}});
cout << "hi\n";
}

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@ -15,6 +15,7 @@
#include <iostream>
#include <iterator>
#include <list>
#include <map>
#include <memory>
#include <ostream>
#include <queue>

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@ -21,424 +21,476 @@
#include <utility>
#include <valarray>
namespace pretty_print
{
namespace detail
{
// SFINAE type trait to detect whether T::const_iterator exists.
namespace soi {
struct sfinae_base
{
using yes = char;
using no = yes[2];
};
template <typename T, typename TChar, typename TCharTraits>
std::basic_ostream<TChar, TCharTraits> &
print(std::basic_ostream<TChar, TCharTraits> &stream, const T &x);
template <typename T>
struct has_const_iterator : private sfinae_base
{
private:
template <typename C> static yes & test(typename C::const_iterator*);
template <typename C> static no & test(...);
public:
static const bool value = sizeof(test<T>(nullptr)) == sizeof(yes);
using type = T;
};
namespace detail {
// SFINAE type trait to detect whether T::const_iterator exists.
template <typename T>
struct has_begin_end : private sfinae_base
{
private:
template <typename C>
static yes & f(typename std::enable_if<
std::is_same<decltype(static_cast<typename C::const_iterator(C::*)() const>(&C::begin)),
typename C::const_iterator(C::*)() const>::value>::type *);
struct sfinae_base {
using yes = char;
using no = yes[2];
};
template <typename C> static no & f(...);
template <typename T> struct has_const_iterator : private sfinae_base {
private:
template <typename C> static yes &test(typename C::const_iterator *);
template <typename C> static no &test(...);
template <typename C>
static yes & g(typename std::enable_if<
std::is_same<decltype(static_cast<typename C::const_iterator(C::*)() const>(&C::end)),
typename C::const_iterator(C::*)() const>::value, void>::type*);
public:
static const bool value = sizeof(test<T>(nullptr)) == sizeof(yes);
using type = T;
};
template <typename C> static no & g(...);
template <typename T> struct has_begin_end : private sfinae_base {
private:
template <typename C>
static yes &
f(typename std::enable_if<
std::is_same<decltype(static_cast<typename C::const_iterator (C::*)()
const>(&C::begin)),
typename C::const_iterator (C::*)() const>::value>::type *);
public:
static bool const beg_value = sizeof(f<T>(nullptr)) == sizeof(yes);
static bool const end_value = sizeof(g<T>(nullptr)) == sizeof(yes);
};
template <typename C> static no &f(...);
} // namespace detail
template <typename C>
static yes &
g(typename std::enable_if<
std::is_same<decltype(static_cast<typename C::const_iterator (C::*)()
const>(&C::end)),
typename C::const_iterator (C::*)() const>::value,
void>::type *);
template <typename C> static no &g(...);
// Holds the delimiter values for a specific character type
public:
static bool const beg_value = sizeof(f<T>(nullptr)) == sizeof(yes);
static bool const end_value = sizeof(g<T>(nullptr)) == sizeof(yes);
};
template <typename TChar>
struct delimiters_values
{
using char_type = TChar;
const char_type * prefix;
const char_type * delimiter;
const char_type * postfix;
};
} // namespace detail
// Holds the delimiter values for a specific character type
// Defines the delimiter values for a specific container and character type
template <typename TChar> struct delimiters_values {
using char_type = TChar;
const char_type *prefix;
const char_type *delimiter;
const char_type *postfix;
};
template <typename T, typename TChar>
struct delimiters
{
using type = delimiters_values<TChar>;
static const type values;
};
// Defines the delimiter values for a specific container and character type
template <typename T, typename TChar> struct delimiters {
using type = delimiters_values<TChar>;
static const type values;
};
// Functor to print containers. You can use this directly if you want
// to specificy a non-default delimiters type. The printing logic can
// be customized by specializing the nested template.
// Functor to pretty_print containers. You can use this directly if you want
// to specificy a non-default delimiters type. The pretty_printing logic can
// be customized by specializing the nested template.
template <typename T,
typename TChar = char,
typename TCharTraits = ::std::char_traits<TChar>,
typename TDelimiters = delimiters<T, TChar>>
struct print_container_helper
{
using delimiters_type = TDelimiters;
using ostream_type = std::basic_ostream<TChar, TCharTraits>;
template <typename T, typename TChar = char,
typename TCharTraits = ::std::char_traits<TChar>,
typename TDelimiters = delimiters<T, TChar>>
struct pretty_print_container_helper {
using delimiters_type = TDelimiters;
using ostream_type = std::basic_ostream<TChar, TCharTraits>;
template <typename U>
struct printer
{
static void print_body(const U & c, ostream_type & stream)
{
using std::begin;
using std::end;
template <typename U> struct pretty_printer {
static void pretty_print_body(const U &c, ostream_type &stream) {
using std::begin;
using std::end;
auto it = begin(c);
const auto the_end = end(c);
auto it = begin(c);
const auto the_end = end(c);
if (it != the_end)
{
for ( ; ; )
{
stream << *it;
if (it != the_end) {
for (;;) {
::soi::print(stream, *it);
if (++it == the_end) break;
if (++it == the_end)
break;
if (delimiters_type::values.delimiter != NULL)
stream << delimiters_type::values.delimiter;
}
}
}
};
print_container_helper(const T & container)
: container_(container)
{ }
inline void operator()(ostream_type & stream) const
{
if (delimiters_type::values.prefix != NULL)
stream << delimiters_type::values.prefix;
printer<T>::print_body(container_, stream);
if (delimiters_type::values.postfix != NULL)
stream << delimiters_type::values.postfix;
if (delimiters_type::values.delimiter != NULL)
::soi::print(stream, delimiters_type::values.delimiter);
}
private:
const T & container_;
};
// Specialization for pairs
template <typename T, typename TChar, typename TCharTraits, typename TDelimiters>
template <typename T1, typename T2>
struct print_container_helper<T, TChar, TCharTraits, TDelimiters>::printer<std::pair<T1, T2>>
{
using ostream_type = typename print_container_helper<T, TChar, TCharTraits, TDelimiters>::ostream_type;
static void print_body(const std::pair<T1, T2> & c, ostream_type & stream)
{
stream << c.first;
if (print_container_helper<T, TChar, TCharTraits, TDelimiters>::delimiters_type::values.delimiter != NULL)
stream << print_container_helper<T, TChar, TCharTraits, TDelimiters>::delimiters_type::values.delimiter;
stream << c.second;
}
};
// Specialization for tuples
template <typename T, typename TChar, typename TCharTraits, typename TDelimiters>
template <typename ...Args>
struct print_container_helper<T, TChar, TCharTraits, TDelimiters>::printer<std::tuple<Args...>>
{
using ostream_type = typename print_container_helper<T, TChar, TCharTraits, TDelimiters>::ostream_type;
using element_type = std::tuple<Args...>;
template <std::size_t I> struct Int { };
static void print_body(const element_type & c, ostream_type & stream)
{
tuple_print(c, stream, Int<0>());
}
static void tuple_print(const element_type &, ostream_type &, Int<sizeof...(Args)>)
{
}
static void tuple_print(const element_type & c, ostream_type & stream,
typename std::conditional<sizeof...(Args) != 0, Int<0>, std::nullptr_t>::type)
{
stream << std::get<0>(c);
tuple_print(c, stream, Int<1>());
}
template <std::size_t N>
static void tuple_print(const element_type & c, ostream_type & stream, Int<N>)
{
if (print_container_helper<T, TChar, TCharTraits, TDelimiters>::delimiters_type::values.delimiter != NULL)
stream << print_container_helper<T, TChar, TCharTraits, TDelimiters>::delimiters_type::values.delimiter;
stream << std::get<N>(c);
tuple_print(c, stream, Int<N + 1>());
}
};
// Prints a print_container_helper to the specified stream.
template<typename T, typename TChar, typename TCharTraits, typename TDelimiters>
inline std::basic_ostream<TChar, TCharTraits> & operator<<(
std::basic_ostream<TChar, TCharTraits> & stream,
const print_container_helper<T, TChar, TCharTraits, TDelimiters> & helper)
{
helper(stream);
return stream;
}
}
};
pretty_print_container_helper(const T &container) : container_(container) {}
// Basic is_container template; specialize to derive from std::true_type for all desired container types
inline void operator()(ostream_type &stream) const {
if (delimiters_type::values.prefix != NULL)
::soi::print(stream, delimiters_type::values.prefix);
template <typename T>
struct is_container : public std::integral_constant<bool,
detail::has_const_iterator<T>::value &&
detail::has_begin_end<T>::beg_value &&
detail::has_begin_end<T>::end_value> { };
pretty_printer<T>::pretty_print_body(container_, stream);
template <typename T, std::size_t N>
struct is_container<T[N]> : std::true_type { };
if (delimiters_type::values.postfix != NULL)
::soi::print(stream, delimiters_type::values.postfix);
}
template <std::size_t N>
struct is_container<char[N]> : std::false_type { };
private:
const T &container_;
};
template <typename T>
struct is_container<std::valarray<T>> : std::true_type { };
// Specialization for pairs
template <typename T1, typename T2>
struct is_container<std::pair<T1, T2>> : std::true_type { };
template <typename T, typename TChar, typename TCharTraits,
typename TDelimiters>
template <typename T1, typename T2>
struct pretty_print_container_helper<
T, TChar, TCharTraits, TDelimiters>::pretty_printer<std::pair<T1, T2>> {
using ostream_type =
typename pretty_print_container_helper<T, TChar, TCharTraits,
TDelimiters>::ostream_type;
template <typename ...Args>
struct is_container<std::tuple<Args...>> : std::true_type { };
static void pretty_print_body(const std::pair<T1, T2> &c,
ostream_type &stream) {
::soi::print(stream, c.first);
if (pretty_print_container_helper<T, TChar, TCharTraits,
TDelimiters>::delimiters_type::values
.delimiter != NULL)
::soi::print(
stream,
pretty_print_container_helper<T, TChar, TCharTraits,
TDelimiters>::delimiters_type::values
.delimiter);
::soi::print(stream, c.second);
}
};
// Specialization for tuples
// Default delimiters
template <typename T, typename TChar, typename TCharTraits,
typename TDelimiters>
template <typename... Args>
struct pretty_print_container_helper<
T, TChar, TCharTraits, TDelimiters>::pretty_printer<std::tuple<Args...>> {
using ostream_type =
typename pretty_print_container_helper<T, TChar, TCharTraits,
TDelimiters>::ostream_type;
using element_type = std::tuple<Args...>;
template <typename T> struct delimiters<T, char> { static const delimiters_values<char> values; };
template <typename T> const delimiters_values<char> delimiters<T, char>::values = { "[", ", ", "]" };
template <typename T> struct delimiters<T, wchar_t> { static const delimiters_values<wchar_t> values; };
template <typename T> const delimiters_values<wchar_t> delimiters<T, wchar_t>::values = { L"[", L", ", L"]" };
template <std::size_t I> struct Int {};
static void pretty_print_body(const element_type &c, ostream_type &stream) {
tuple_pretty_print(c, stream, Int<0>());
}
// Delimiters for (multi)set and unordered_(multi)set
static void tuple_pretty_print(const element_type &, ostream_type &,
Int<sizeof...(Args)>) {}
template <typename T, typename TComp, typename TAllocator>
struct delimiters< ::std::set<T, TComp, TAllocator>, char> { static const delimiters_values<char> values; };
static void
tuple_pretty_print(const element_type &c, ostream_type &stream,
typename std::conditional<sizeof...(Args) != 0, Int<0>,
std::nullptr_t>::type) {
::soi::print(stream, std::get<0>(c));
tuple_pretty_print(c, stream, Int<1>());
}
template <typename T, typename TComp, typename TAllocator>
const delimiters_values<char> delimiters< ::std::set<T, TComp, TAllocator>, char>::values = { "{", ", ", "}" };
template <std::size_t N>
static void tuple_pretty_print(const element_type &c, ostream_type &stream,
Int<N>) {
if (pretty_print_container_helper<T, TChar, TCharTraits,
TDelimiters>::delimiters_type::values
.delimiter != NULL)
::soi::print(
stream,
pretty_print_container_helper<T, TChar, TCharTraits,
TDelimiters>::delimiters_type::values
.delimiter);
template <typename T, typename TComp, typename TAllocator>
struct delimiters< ::std::set<T, TComp, TAllocator>, wchar_t> { static const delimiters_values<wchar_t> values; };
::soi::print(stream, std::get<N>(c));
template <typename T, typename TComp, typename TAllocator>
const delimiters_values<wchar_t> delimiters< ::std::set<T, TComp, TAllocator>, wchar_t>::values = { L"{", L", ", L"}" };
tuple_pretty_print(c, stream, Int<N + 1>());
}
};
template <typename T, typename TComp, typename TAllocator>
struct delimiters< ::std::multiset<T, TComp, TAllocator>, char> { static const delimiters_values<char> values; };
// Pretty_Prints a pretty_print_container_helper to the specified stream.
template <typename T, typename TComp, typename TAllocator>
const delimiters_values<char> delimiters< ::std::multiset<T, TComp, TAllocator>, char>::values = { "{", ", ", "}" };
template <typename T, typename TChar, typename TCharTraits,
typename TDelimiters>
inline std::basic_ostream<TChar, TCharTraits> &
pretty_print(std::basic_ostream<TChar, TCharTraits> &stream,
const pretty_print_container_helper<T, TChar, TCharTraits,
TDelimiters> &helper) {
helper(stream);
return stream;
}
template <typename T, typename TComp, typename TAllocator>
struct delimiters< ::std::multiset<T, TComp, TAllocator>, wchar_t> { static const delimiters_values<wchar_t> values; };
// Basic is_container template; specialize to derive from std::true_type for all
// desired container types
template <typename T, typename TComp, typename TAllocator>
const delimiters_values<wchar_t> delimiters< ::std::multiset<T, TComp, TAllocator>, wchar_t>::values = { L"{", L", ", L"}" };
template <typename T>
struct is_container
: public std::integral_constant<bool,
detail::has_const_iterator<T>::value &&
detail::has_begin_end<T>::beg_value &&
detail::has_begin_end<T>::end_value> {};
template <typename T, typename THash, typename TEqual, typename TAllocator>
struct delimiters< ::std::unordered_set<T, THash, TEqual, TAllocator>, char> { static const delimiters_values<char> values; };
template <typename T, std::size_t N>
struct is_container<T[N]> : std::true_type {};
template <typename T, typename THash, typename TEqual, typename TAllocator>
const delimiters_values<char> delimiters< ::std::unordered_set<T, THash, TEqual, TAllocator>, char>::values = { "{", ", ", "}" };
template <std::size_t N> struct is_container<char[N]> : std::false_type {};
template <typename T, typename THash, typename TEqual, typename TAllocator>
struct delimiters< ::std::unordered_set<T, THash, TEqual, TAllocator>, wchar_t> { static const delimiters_values<wchar_t> values; };
template <typename T> struct is_container<std::valarray<T>> : std::true_type {};
template <typename T, typename THash, typename TEqual, typename TAllocator>
const delimiters_values<wchar_t> delimiters< ::std::unordered_set<T, THash, TEqual, TAllocator>, wchar_t>::values = { L"{", L", ", L"}" };
template <typename T1, typename T2>
struct is_container<std::pair<T1, T2>> : std::true_type {};
template <typename T, typename THash, typename TEqual, typename TAllocator>
struct delimiters< ::std::unordered_multiset<T, THash, TEqual, TAllocator>, char> { static const delimiters_values<char> values; };
template <typename... Args>
struct is_container<std::tuple<Args...>> : std::true_type {};
template <typename T, typename THash, typename TEqual, typename TAllocator>
const delimiters_values<char> delimiters< ::std::unordered_multiset<T, THash, TEqual, TAllocator>, char>::values = { "{", ", ", "}" };
// Default delimiters
template <typename T, typename THash, typename TEqual, typename TAllocator>
struct delimiters< ::std::unordered_multiset<T, THash, TEqual, TAllocator>, wchar_t> { static const delimiters_values<wchar_t> values; };
template <typename T> struct delimiters<T, char> {
static const delimiters_values<char> values;
};
template <typename T>
const delimiters_values<char> delimiters<T, char>::values = {"[", ", ", "]"};
template <typename T> struct delimiters<T, wchar_t> {
static const delimiters_values<wchar_t> values;
};
template <typename T>
const delimiters_values<wchar_t> delimiters<T, wchar_t>::values = {L"[", L", ",
L"]"};
template <typename T, typename THash, typename TEqual, typename TAllocator>
const delimiters_values<wchar_t> delimiters< ::std::unordered_multiset<T, THash, TEqual, TAllocator>, wchar_t>::values = { L"{", L", ", L"}" };
// Delimiters for (multi)set and unordered_(multi)set
template <typename T, typename TComp, typename TAllocator>
struct delimiters<::std::set<T, TComp, TAllocator>, char> {
static const delimiters_values<char> values;
};
// Delimiters for pair and tuple
template <typename T, typename TComp, typename TAllocator>
const delimiters_values<char>
delimiters<::std::set<T, TComp, TAllocator>, char>::values = {"{", ", ",
"}"};
template <typename T1, typename T2> struct delimiters<std::pair<T1, T2>, char> { static const delimiters_values<char> values; };
template <typename T1, typename T2> const delimiters_values<char> delimiters<std::pair<T1, T2>, char>::values = { "(", ", ", ")" };
template <typename T1, typename T2> struct delimiters< ::std::pair<T1, T2>, wchar_t> { static const delimiters_values<wchar_t> values; };
template <typename T1, typename T2> const delimiters_values<wchar_t> delimiters< ::std::pair<T1, T2>, wchar_t>::values = { L"(", L", ", L")" };
template <typename T, typename TComp, typename TAllocator>
struct delimiters<::std::set<T, TComp, TAllocator>, wchar_t> {
static const delimiters_values<wchar_t> values;
};
template <typename ...Args> struct delimiters<std::tuple<Args...>, char> { static const delimiters_values<char> values; };
template <typename ...Args> const delimiters_values<char> delimiters<std::tuple<Args...>, char>::values = { "(", ", ", ")" };
template <typename ...Args> struct delimiters< ::std::tuple<Args...>, wchar_t> { static const delimiters_values<wchar_t> values; };
template <typename ...Args> const delimiters_values<wchar_t> delimiters< ::std::tuple<Args...>, wchar_t>::values = { L"(", L", ", L")" };
template <typename T, typename TComp, typename TAllocator>
const delimiters_values<wchar_t>
delimiters<::std::set<T, TComp, TAllocator>, wchar_t>::values = {
L"{", L", ", L"}"};
template <typename T, typename TComp, typename TAllocator>
struct delimiters<::std::multiset<T, TComp, TAllocator>, char> {
static const delimiters_values<char> values;
};
// Type-erasing helper class for easy use of custom delimiters.
// Requires TCharTraits = std::char_traits<TChar> and TChar = char or wchar_t, and MyDelims needs to be defined for TChar.
// Usage: "cout << pretty_print::custom_delims<MyDelims>(x)".
template <typename T, typename TComp, typename TAllocator>
const delimiters_values<char> delimiters<::std::multiset<T, TComp, TAllocator>,
char>::values = {"{", ", ", "}"};
struct custom_delims_base
{
virtual ~custom_delims_base() { }
virtual std::ostream & stream(::std::ostream &) = 0;
virtual std::wostream & stream(::std::wostream &) = 0;
};
template <typename T, typename TComp, typename TAllocator>
struct delimiters<::std::multiset<T, TComp, TAllocator>, wchar_t> {
static const delimiters_values<wchar_t> values;
};
template <typename T, typename Delims>
struct custom_delims_wrapper : custom_delims_base
{
custom_delims_wrapper(const T & t_) : t(t_) { }
template <typename T, typename TComp, typename TAllocator>
const delimiters_values<wchar_t>
delimiters<::std::multiset<T, TComp, TAllocator>, wchar_t>::values = {
L"{", L", ", L"}"};
std::ostream & stream(std::ostream & s)
{
return s << print_container_helper<T, char, std::char_traits<char>, Delims>(t);
}
template <typename T, typename THash, typename TEqual, typename TAllocator>
struct delimiters<::std::unordered_set<T, THash, TEqual, TAllocator>, char> {
static const delimiters_values<char> values;
};
std::wostream & stream(std::wostream & s)
{
return s << print_container_helper<T, wchar_t, std::char_traits<wchar_t>, Delims>(t);
}
template <typename T, typename THash, typename TEqual, typename TAllocator>
const delimiters_values<char> delimiters<
::std::unordered_set<T, THash, TEqual, TAllocator>, char>::values = {
"{", ", ", "}"};
private:
const T & t;
};
template <typename T, typename THash, typename TEqual, typename TAllocator>
struct delimiters<::std::unordered_set<T, THash, TEqual, TAllocator>, wchar_t> {
static const delimiters_values<wchar_t> values;
};
template <typename Delims>
struct custom_delims
{
template <typename Container>
custom_delims(const Container & c) : base(new custom_delims_wrapper<Container, Delims>(c)) { }
template <typename T, typename THash, typename TEqual, typename TAllocator>
const delimiters_values<wchar_t> delimiters<
::std::unordered_set<T, THash, TEqual, TAllocator>, wchar_t>::values = {
L"{", L", ", L"}"};
std::unique_ptr<custom_delims_base> base;
};
template <typename T, typename THash, typename TEqual, typename TAllocator>
struct delimiters<::std::unordered_multiset<T, THash, TEqual, TAllocator>,
char> {
static const delimiters_values<char> values;
};
template <typename TChar, typename TCharTraits, typename Delims>
inline std::basic_ostream<TChar, TCharTraits> & operator<<(std::basic_ostream<TChar, TCharTraits> & s, const custom_delims<Delims> & p)
{
return p.base->stream(s);
}
template <typename T, typename THash, typename TEqual, typename TAllocator>
const delimiters_values<char> delimiters<
::std::unordered_multiset<T, THash, TEqual, TAllocator>, char>::values = {
"{", ", ", "}"};
template <typename T, typename THash, typename TEqual, typename TAllocator>
struct delimiters<::std::unordered_multiset<T, THash, TEqual, TAllocator>,
wchar_t> {
static const delimiters_values<wchar_t> values;
};
// A wrapper for a C-style array given as pointer-plus-size.
// Usage: std::cout << pretty_print_array(arr, n) << std::endl;
template <typename T, typename THash, typename TEqual, typename TAllocator>
const delimiters_values<wchar_t>
delimiters<::std::unordered_multiset<T, THash, TEqual, TAllocator>,
wchar_t>::values = {L"{", L", ", L"}"};
template<typename T>
struct array_wrapper_n
{
typedef const T * const_iterator;
typedef T value_type;
// Delimiters for pair and tuple
array_wrapper_n(const T * const a, size_t n) : _array(a), _n(n) { }
inline const_iterator begin() const { return _array; }
inline const_iterator end() const { return _array + _n; }
template <typename T1, typename T2> struct delimiters<std::pair<T1, T2>, char> {
static const delimiters_values<char> values;
};
template <typename T1, typename T2>
const delimiters_values<char> delimiters<std::pair<T1, T2>, char>::values = {
"(", ", ", ")"};
template <typename T1, typename T2>
struct delimiters<::std::pair<T1, T2>, wchar_t> {
static const delimiters_values<wchar_t> values;
};
template <typename T1, typename T2>
const delimiters_values<wchar_t>
delimiters<::std::pair<T1, T2>, wchar_t>::values = {L"(", L", ", L")"};
private:
const T * const _array;
size_t _n;
};
template <typename... Args> struct delimiters<std::tuple<Args...>, char> {
static const delimiters_values<char> values;
};
template <typename... Args>
const delimiters_values<char> delimiters<std::tuple<Args...>, char>::values = {
"(", ", ", ")"};
template <typename... Args> struct delimiters<::std::tuple<Args...>, wchar_t> {
static const delimiters_values<wchar_t> values;
};
template <typename... Args>
const delimiters_values<wchar_t>
delimiters<::std::tuple<Args...>, wchar_t>::values = {L"(", L", ", L")"};
// Type-erasing helper class for easy use of custom delimiters.
// Requires TCharTraits = std::char_traits<TChar> and TChar = char or wchar_t,
// and MyDelims needs to be defined for TChar. Usage: "cout <<
// pretty_pretty_print::custom_delims<MyDelims>(x)".
// A wrapper for hash-table based containers that offer local iterators to each bucket.
// Usage: std::cout << bucket_print(m, 4) << std::endl; (Prints bucket 5 of container m.)
struct custom_delims_base {
virtual ~custom_delims_base() {}
virtual std::ostream &stream(::std::ostream &) = 0;
virtual std::wostream &stream(::std::wostream &) = 0;
};
template <typename T>
struct bucket_print_wrapper
{
typedef typename T::const_local_iterator const_iterator;
typedef typename T::size_type size_type;
template <typename T, typename Delims>
struct custom_delims_wrapper : custom_delims_base {
custom_delims_wrapper(const T &t_) : t(t_) {}
const_iterator begin() const
{
return m_map.cbegin(n);
}
std::ostream &stream(std::ostream &s) {
return pretty_print(
s,
pretty_print_container_helper<T, char, std::char_traits<char>, Delims>(
t));
}
const_iterator end() const
{
return m_map.cend(n);
}
std::wostream &stream(std::wostream &s) {
return pretty_print(
s, pretty_print_container_helper<T, wchar_t, std::char_traits<wchar_t>,
Delims>(t));
}
bucket_print_wrapper(const T & m, size_type bucket) : m_map(m), n(bucket) { }
private:
const T &t;
};
private:
const T & m_map;
const size_type n;
};
template <typename Delims> struct custom_delims {
template <typename Container>
custom_delims(const Container &c)
: base(new custom_delims_wrapper<Container, Delims>(c)) {}
} // namespace pretty_print
std::unique_ptr<custom_delims_base> base;
};
template <typename TChar, typename TCharTraits, typename Delims>
inline std::basic_ostream<TChar, TCharTraits> &
pretty_print(std::basic_ostream<TChar, TCharTraits> &s,
const custom_delims<Delims> &p) {
return p.base->stream(s);
}
// A wrapper for a C-style array given as pointer-plus-size.
// Usage: std::cout << pretty_pretty_print_array(arr, n) << std::endl;
template <typename T> struct array_wrapper_n {
typedef const T *const_iterator;
typedef T value_type;
array_wrapper_n(const T *const a, size_t n) : _array(a), _n(n) {}
inline const_iterator begin() const { return _array; }
inline const_iterator end() const { return _array + _n; }
private:
const T *const _array;
size_t _n;
};
// A wrapper for hash-table based containers that offer local iterators to each
// bucket. Usage: std::cout << bucket_pretty_print(m, 4) << std::endl;
// (Pretty_Prints bucket 5 of container m.)
template <typename T> struct bucket_pretty_print_wrapper {
typedef typename T::const_local_iterator const_iterator;
typedef typename T::size_type size_type;
const_iterator begin() const { return m_map.cbegin(n); }
const_iterator end() const { return m_map.cend(n); }
bucket_pretty_print_wrapper(const T &m, size_type bucket)
: m_map(m), n(bucket) {}
private:
const T &m_map;
const size_type n;
};
} // namespace soi
/*
// Global accessor functions for the convenience wrappers
template<typename T>
inline pretty_print::array_wrapper_n<T> pretty_print_array(const T * const a, size_t n)
inline pretty_pretty_print::array_wrapper_n<T> pretty_pretty_print_array(const T
* const a, size_t n)
{
return pretty_print::array_wrapper_n<T>(a, n);
return pretty_pretty_print::array_wrapper_n<T>(a, n);
}
template <typename T> pretty_print::bucket_print_wrapper<T>
bucket_print(const T & m, typename T::size_type n)
template <typename T> pretty_pretty_print::bucket_pretty_print_wrapper<T>
bucket_pretty_print(const T & m, typename T::size_type n)
{
return pretty_print::bucket_print_wrapper<T>(m, n);
return pretty_pretty_print::bucket_pretty_print_wrapper<T>(m, n);
}
// Main magic entry point: An overload snuck into namespace std.
// Can we do better?
namespace std
{
// Prints a container to the stream using default delimiters
template<typename T, typename TChar, typename TCharTraits>
inline typename enable_if< ::pretty_print::is_container<T>::value,
basic_ostream<TChar, TCharTraits> &>::type
operator<<(basic_ostream<TChar, TCharTraits> & stream, const T & container)
{
return stream << ::pretty_print::print_container_helper<T, TChar, TCharTraits>(container);
}
}
*/
#endif // SOI_PRETTY_PRINT
namespace soi {
// Pretty_Prints a container to the stream using default delimiters
template <typename T, typename TChar, typename TCharTraits>
inline typename std::enable_if<::soi::is_container<T>::value,
std::basic_ostream<TChar, TCharTraits> &>::type
pretty_print(std::basic_ostream<TChar, TCharTraits> &stream,
const T &container) {
return ::soi::print(
stream,
::soi::pretty_print_container_helper<T, TChar, TCharTraits>(container));
}
} // namespace soi
#endif // SOI_PRETTY_PRETTY_PRINT

View File

@ -11,11 +11,11 @@
#define SOI_DBG
#include <cstddef>
#include <stdexcept>
#include <cstring>
#include <ostream>
#include <iostream>
#include <ostream>
#include <sstream>
#include <stdexcept>
#if defined(__unix__) || (defined(__APPLE__) && defined(__MACH__))
#include <unistd.h>
@ -23,7 +23,7 @@
#include "soi-pretty.hpp"
namespace soi_h {
namespace soi {
namespace detail {
@ -31,113 +31,99 @@ namespace detail {
// detecting the type name: https://stackoverflow.com/a/20170989
#ifndef _MSC_VER
# if __cplusplus < 201103
# define CONSTEXPR11_TN
# define CONSTEXPR14_TN
# define NOEXCEPT_TN
# elif __cplusplus < 201402
# define CONSTEXPR11_TN constexpr
# define CONSTEXPR14_TN
# define NOEXCEPT_TN noexcept
# else
# define CONSTEXPR11_TN constexpr
# define CONSTEXPR14_TN constexpr
# define NOEXCEPT_TN noexcept
# endif
#else // _MSC_VER
# if _MSC_VER < 1900
# define CONSTEXPR11_TN
# define CONSTEXPR14_TN
# define NOEXCEPT_TN
# elif _MSC_VER < 2000
# define CONSTEXPR11_TN constexpr
# define CONSTEXPR14_TN
# define NOEXCEPT_TN noexcept
# else
# define CONSTEXPR11_TN constexpr
# define CONSTEXPR14_TN constexpr
# define NOEXCEPT_TN noexcept
# endif
#endif // _MSC_VER
#if __cplusplus < 201103
#define CONSTEXPR11_TN
#define CONSTEXPR14_TN
#define NOEXCEPT_TN
#elif __cplusplus < 201402
#define CONSTEXPR11_TN constexpr
#define CONSTEXPR14_TN
#define NOEXCEPT_TN noexcept
#else
#define CONSTEXPR11_TN constexpr
#define CONSTEXPR14_TN constexpr
#define NOEXCEPT_TN noexcept
#endif
#else // _MSC_VER
#if _MSC_VER < 1900
#define CONSTEXPR11_TN
#define CONSTEXPR14_TN
#define NOEXCEPT_TN
#elif _MSC_VER < 2000
#define CONSTEXPR11_TN constexpr
#define CONSTEXPR14_TN
#define NOEXCEPT_TN noexcept
#else
#define CONSTEXPR11_TN constexpr
#define CONSTEXPR14_TN constexpr
#define NOEXCEPT_TN noexcept
#endif
#endif // _MSC_VER
class static_string {
const char* const p_;
const std::size_t sz_;
const char *const p_;
const std::size_t sz_;
public:
typedef const char* const_iterator;
typedef const char *const_iterator;
template <std::size_t N>
CONSTEXPR11_TN static_string(const char(&a)[N]) NOEXCEPT_TN
: p_(a)
, sz_(N-1)
{}
template <std::size_t N>
CONSTEXPR11_TN static_string(const char (&a)[N]) NOEXCEPT_TN : p_(a),
sz_(N - 1) {}
CONSTEXPR11_TN static_string(const char* p, std::size_t N) NOEXCEPT_TN
: p_(p)
, sz_(N)
{}
CONSTEXPR11_TN static_string(const char *p, std::size_t N) NOEXCEPT_TN
: p_(p),
sz_(N) {}
CONSTEXPR11_TN const char* data() const NOEXCEPT_TN {return p_;}
CONSTEXPR11_TN std::size_t size() const NOEXCEPT_TN {return sz_;}
CONSTEXPR11_TN const char *data() const NOEXCEPT_TN { return p_; }
CONSTEXPR11_TN std::size_t size() const NOEXCEPT_TN { return sz_; }
CONSTEXPR11_TN const_iterator begin() const NOEXCEPT_TN {return p_;}
CONSTEXPR11_TN const_iterator end() const NOEXCEPT_TN {return p_ + sz_;}
CONSTEXPR11_TN const_iterator begin() const NOEXCEPT_TN { return p_; }
CONSTEXPR11_TN const_iterator end() const NOEXCEPT_TN { return p_ + sz_; }
CONSTEXPR11_TN char operator[](std::size_t n) const
{
return n < sz_ ? p_[n] : throw std::out_of_range("static_string");
}
CONSTEXPR11_TN char operator[](std::size_t n) const {
return n < sz_ ? p_[n] : throw std::out_of_range("static_string");
}
};
inline
std::ostream&
operator<<(std::ostream& os, static_string const& s)
{
return os.write(s.data(), s.size());
inline std::ostream &operator<<(std::ostream &os, static_string const &s) {
return os.write(s.data(), s.size());
}
template <class T>
CONSTEXPR14_TN
static_string
type_name()
{
const int k = sizeof("constexpr soi_h::detail:: T =")/sizeof(char);
template <class T> CONSTEXPR14_TN static_string type_name() {
const int k = sizeof("constexpr soi::detail:: T") / sizeof(char);
#ifdef __clang__
static_string p = __PRETTY_FUNCTION__;
return static_string(p.data() + 31 + k, p.size() - 31 - k - 1);
static_string p = __PRETTY_FUNCTION__;
return static_string(p.data() + 31 + k, p.size() - 31 - k - 1);
#elif defined(__GNUC__)
static_string p = __PRETTY_FUNCTION__;
# if __cplusplus < 201402
return static_string(p.data() + 36 + k, p.size() - 36 - k - 1);
# else
return static_string(p.data() + 46 + k, p.size() - 46 - k - 1);
# endif
static_string p = __PRETTY_FUNCTION__;
#if __cplusplus < 201402
return static_string(p.data() + 36 + k, p.size() - 36 - k - 1);
#else
return static_string(p.data() + 46 + k, p.size() - 46 - k - 1);
#endif
#elif defined(_MSC_VER)
static_string p = __FUNCSIG__;
return static_string(p.data() + 38 + k, p.size() - 38 - k - 7);
static_string p = __FUNCSIG__;
return static_string(p.data() + 38 + k, p.size() - 38 - k - 7);
#endif
}
constexpr bool is_prefix_of(char const *suffix, char const *s) {
return suffix[0]=='\0' || (suffix[0] == s[0] && is_prefix_of(suffix + 1, s + 1));
return suffix[0] == '\0' ||
(suffix[0] == s[0] && is_prefix_of(suffix + 1, s + 1));
}
static char const* const type_string = "string";
static char const *const type_string = "string";
template <class T>
CONSTEXPR14_TN
static_string
sanitized_type_name() {
template <class T> CONSTEXPR14_TN static_string sanitized_type_name() {
CONSTEXPR14_TN static_string t = type_name<T>();
CONSTEXPR14_TN std::size_t offset =
is_prefix_of("std::__debug::", t.data()) ? sizeof("std::__debug::")-1 :
is_prefix_of("std::", t.data()) ? sizeof("std::")-1 :
0;
return
is_prefix_of("std::__cxx11::basic_string<char>", t.data()) ?
static_string(type_string, sizeof(type_string)-2) :
static_string(t.data()+offset, t.size()-offset);
is_prefix_of("std::__debug::", t.data())
? sizeof("std::__debug::") - 1
: is_prefix_of("std::", t.data()) ? sizeof("std::") - 1 : 0;
return is_prefix_of("std::__cxx11::basic_string<char>", t.data())
? static_string(type_string, sizeof(type_string) - 2)
: static_string(t.data() + offset, t.size() - offset);
}
// ----------------------------------------------------------------------------
@ -152,7 +138,7 @@ bool tty_supports_colors() {
}
int has_environment_color_overwrite() {
if (const char* color_enabled = std::getenv("SOI_COLOR")) {
if (const char *color_enabled = std::getenv("SOI_COLOR")) {
if (!std::strcmp(color_enabled, "1"))
return 1;
if (!std::strcmp(color_enabled, "0"))
@ -172,12 +158,12 @@ bool are_colors_enabled() {
// init and static variables
static bool colors_enabled = false;
static const char* ANSI_DEBUG = "";
static const char* ANSI_EXPRESSION = "";
static const char* ANSI_VALUE = "";
static const char* ANSI_TYPE = "";
static const char* ANSI_MESSAGE = "";
static const char* ANSI_RESET = "";
static const char *ANSI_DEBUG = "";
static const char *ANSI_EXPRESSION = "";
static const char *ANSI_VALUE = "";
static const char *ANSI_TYPE = "";
static const char *ANSI_MESSAGE = "";
static const char *ANSI_RESET = "";
void dbg_init(bool with_colors) {
if (with_colors) {
@ -199,70 +185,51 @@ void dbg_init(bool with_colors) {
}
}
void dbg_init() {
dbg_init(are_colors_enabled());
}
void dbg_init() { dbg_init(are_colors_enabled()); }
// ----------------------------------------------------------------------------
// printer
template <typename T>
T&& dbg_print(T&& value,
static_string const& type,
char const* file,
int line,
char const* function_name,
char const* expression) {
const T& ref = value;
std::stringstream value_buffer; // avoid nesting of dbg macros within print functinos
soi_h::pretty_print(value_buffer, ref);
T &&dbg_print(T &&value, static_string const &type, char const *file, int line,
char const *function_name, char const *expression) {
const T &ref = value;
std::stringstream
value_buffer; // avoid nesting of dbg macros within print functinos
soi::print(value_buffer, ref);
std::cerr << ANSI_DEBUG
<< "[" << file << ":" << line
<< " (" << function_name << ")] " << ANSI_RESET
<< ANSI_EXPRESSION << expression << ANSI_RESET
<< " = "
<< ANSI_VALUE << value_buffer.rdbuf() << ANSI_RESET
<< " (" << ANSI_TYPE << type << ANSI_RESET << ")"
std::cerr << ANSI_DEBUG << "[" << file << ":" << line << " (" << function_name
<< ")] " << ANSI_RESET << ANSI_EXPRESSION << expression
<< ANSI_RESET << " = " << ANSI_VALUE << value_buffer.rdbuf()
<< ANSI_RESET << " (" << ANSI_TYPE << type << ANSI_RESET << ")"
<< '\n';
return std::forward<T>(value);
}
template<unsigned int N>
auto dbg_print(const char (&msg)[N],
static_string const&,
char const* file,
int line,
char const* function_name,
char const* expression) -> decltype(msg) {
std::cerr << ANSI_DEBUG
<< "[" << file << ":" << line
<< " (" << function_name << ")] " << ANSI_RESET
<< ANSI_MESSAGE << msg << ANSI_RESET
<< '\n';
template <unsigned int N>
auto dbg_print(const char (&msg)[N], static_string const &, char const *file,
int line, char const *function_name, char const *expression)
-> decltype(msg) {
std::cerr << ANSI_DEBUG << "[" << file << ":" << line << " (" << function_name
<< ")] " << ANSI_RESET << ANSI_MESSAGE << msg << ANSI_RESET << '\n';
return msg;
}
template <typename T>
T&& identity(T&& t) {
return std::forward<T>(t);
}
template <typename T> T &&identity(T &&t) { return std::forward<T>(t); }
} // end namespace detail
} // end namespace dbg_macro
} // namespace soi
#ifdef SOI_RELEASE
#define dbg(...) dbg_macro::identity(__VA_ARGS__)
#else
#define dbg(...) \
soi_h::detail::dbg_print((__VA_ARGS__), \
soi_h::detail::sanitized_type_name<decltype(__VA_ARGS__)>(), \
__FILE__, \
__LINE__, \
__func__, \
#__VA_ARGS__)
#define dbg(...) \
soi::detail::dbg_print( \
(__VA_ARGS__), \
soi::detail::sanitized_type_name<decltype(__VA_ARGS__)>(), __FILE__, \
__LINE__, __func__, #__VA_ARGS__)
#endif
#endif // SOI_DBG
#endif // SOI_DBG

View File

@ -1,24 +1,32 @@
#pragma GCC diagnostic error "-Wdeprecated-declarations"
struct endl_is_evil_t {} endl_is_evil;
[[deprecated("endl is evil. Use '\\n' to print a newline.")]] std::ostream & operator<<(std::ostream &os, endl_is_evil_t);
struct endl_is_evil_t {
} endl_is_evil;
[[deprecated("endl is evil. Use '\\n' to print a newline.")]] std::ostream &
operator<<(std::ostream &os, endl_is_evil_t);
#define endl endl_is_evil
#define printf printf_is_evil
#define fprintf fprintf_is_evil
#define sprintf sprintf_is_evil
#define snprintf snprintf_is_evil
[[deprecated("printf is evil. Use cout.")]] int printf(const char *format, ...);
[[deprecated("printf is evil. Use cout.")]] int fprintf(std::FILE *stream, const char *format, ...);
[[deprecated("printf is evil. Use cout.")]] int sprintf(char *buffer, const char *format, ...);
[[deprecated("printf is evil. Use cout.")]] int snprintf(char *buffer, std::size_t buf_size, const char *format, ...);
[[deprecated("printf is evil. Use cout.")]] int printf(const char *format,
...);
[[deprecated("printf is evil. Use cout.")]] int
fprintf(std::FILE *stream, const char *format, ...);
[[deprecated("printf is evil. Use cout.")]] int
sprintf(char *buffer, const char *format, ...);
[[deprecated("printf is evil. Use cout.")]] int
snprintf(char *buffer, std::size_t buf_size, const char *format, ...);
#define scanf scanf_is_evil
#define fscanf fscanf_is_evil
#define sscanf sscanf_is_evil
[[deprecated("scanf is evil. Use cin.")]] int scanf(const char *format, ...);
[[deprecated("scanf is evil. Use cin.")]] int fscanf(std::FILE *stream, const char *format, ...);
[[deprecated("scanf is evil. Use cin.")]] int sscanf(const char *buffer, const char *format, ...);
[[deprecated("scanf is evil. Use cin.")]] int fscanf(std::FILE *stream,
const char *format, ...);
[[deprecated("scanf is evil. Use cin.")]] int sscanf(const char *buffer,
const char *format, ...);
#define puts puts_is_evil
#define fputs fputs_is_evil
@ -35,28 +43,45 @@ struct endl_is_evil_t {} endl_is_evil;
#define fread fread_is_evil
#define fwrite fwrite_is_evil
[[deprecated("<cstdio> is evil. Use cin/cout.")]] int puts(const char *str);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] int fputs(const char *str, FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] char *fgets(char *str, int count, FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] std::FILE *freopen(const char *filename, const char *mode, std::FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] std::FILE *fopen(const char *filename, const char *mode);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] int fclose(std::FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] int fflush(std::FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] int fputs(const char *str,
FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] char *
fgets(char *str, int count, FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] std::FILE *
freopen(const char *filename, const char *mode, std::FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] std::FILE *
fopen(const char *filename, const char *mode);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] int
fclose(std::FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] int
fflush(std::FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] int getchar();
[[deprecated("<cstdio> is evil. Use cin/cout.")]] int fgetc(std::FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] int getc(std::FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] void setbuf(std::FILE *stream, char *buffer);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] int setvbuf(std::FILE *stream, char *buffer, int mode, std::size_t size);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] std::size_t fread(void *buffer, std::size_t size, std::size_t count, std::FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] std::size_t fwrite(const void *buffer, std::size_t size, std::size_t count, std::FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] void
setbuf(std::FILE *stream, char *buffer);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] int
setvbuf(std::FILE *stream, char *buffer, int mode, std::size_t size);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] std::size_t
fread(void *buffer, std::size_t size, std::size_t count, std::FILE *stream);
[[deprecated("<cstdio> is evil. Use cin/cout.")]] std::size_t
fwrite(const void *buffer, std::size_t size, std::size_t count,
std::FILE *stream);
#define malloc malloc_is_evil
#define calloc calloc_is_evil
#define realloc realloc_is_evil
#define free free_is_evil
[[deprecated("malloc/free is evil. Use a vector.")]] void *malloc(std::size_t size);
[[deprecated("malloc/free is evil. Use a vector.")]] void *calloc(std::size_t num, std::size_t size);
[[deprecated("malloc/free is evil. Use a vector.")]] void *realloc(void *ptr, std::size_t new_size);
[[deprecated("malloc/free is evil. Use a vector.")]] void *free(void *ptr, std::size_t new_size);
[[deprecated("malloc/free is evil. Use a vector.")]] void *
malloc(std::size_t size);
[[deprecated("malloc/free is evil. Use a vector.")]] void *
calloc(std::size_t num, std::size_t size);
[[deprecated("malloc/free is evil. Use a vector.")]] void *
realloc(void *ptr, std::size_t new_size);
[[deprecated("malloc/free is evil. Use a vector.")]] void *
free(void *ptr, std::size_t new_size);
[[deprecated("new is evil. Use a vector.")]] void *operator new(std::size_t sz);
[[deprecated("delete is evil. Use a vector.")]] void operator delete(void *ptr) noexcept;
[[deprecated("new is evil. Use a vector.")]] void *
operator new(std::size_t sz);
[[deprecated("delete is evil. Use a vector.")]] void
operator delete(void *ptr) noexcept;

View File

@ -3,7 +3,7 @@
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
// pretty printing with c++
// pretty pretty_printing with c++
//
#ifndef SOI_PRETTY
@ -11,66 +11,90 @@
#include "prettyprint.hpp"
namespace soi_h {
namespace soi {
template<typename T, typename TChar, typename TCharTraits>
inline typename std::enable_if< ::pretty_print::is_container<T>::value,
std::basic_ostream<TChar, TCharTraits> &>::type
pretty_print(std::basic_ostream<TChar, TCharTraits> & stream, const T & container) {
return stream << ::pretty_print::print_container_helper<T, TChar, TCharTraits>(container);
}
template<typename TChar, typename TCharTraits>
template <typename TChar, typename TCharTraits>
std::basic_ostream<TChar, TCharTraits> &
pretty_print(std::basic_ostream<TChar, TCharTraits> & stream, const bool& x) {
pretty_print(std::basic_ostream<TChar, TCharTraits> &stream, const bool &x) {
return stream << (x ? "true" : "false");
}
namespace detail {
template<typename TChar, typename TCharTraits>
void escape_char(std::basic_ostream<TChar, TCharTraits> & stream, char c) {
template <typename TChar, typename TCharTraits>
void escape_char(std::basic_ostream<TChar, TCharTraits> &stream, char c) {
switch (c) {
case '\a': stream << "\\a"; break;
case '\b': stream << "\\b"; break;
case '\t': stream << "\\t"; break;
case '\n': stream << "\\n"; break;
case '\v': stream << "\\v"; break;
case '\f': stream << "\\f"; break;
case '\r': stream << "\\r"; break;
case '\e': stream << "\\e"; break;
case '\"': stream << "\\\""; break;
case '\'': stream << "\\'"; break;
case '\?': stream << "\\?"; break;
case '\\': stream << "\\\\"; break;
default: stream << c;
case '\a':
stream << "\\a";
break;
case '\b':
stream << "\\b";
break;
case '\t':
stream << "\\t";
break;
case '\n':
stream << "\\n";
break;
case '\v':
stream << "\\v";
break;
case '\f':
stream << "\\f";
break;
case '\r':
stream << "\\r";
break;
case '\e':
stream << "\\e";
break;
case '\"':
stream << "\\\"";
break;
case '\'':
stream << "\\'";
break;
case '\?':
stream << "\\?";
break;
case '\\':
stream << "\\\\";
break;
default:
stream << c;
}
}
}
} // namespace detail
template<typename TChar, typename TCharTraits>
template <typename TChar, typename TCharTraits>
std::basic_ostream<TChar, TCharTraits> &
pretty_print(std::basic_ostream<TChar, TCharTraits> & stream, const std::string& x) {
pretty_print(std::basic_ostream<TChar, TCharTraits> &stream,
const std::string &x) {
stream << "\"";
for (char c : x)
detail::escape_char(stream, c);
return stream << "\"";
}
template<typename TChar, typename TCharTraits>
template <typename TChar, typename TCharTraits>
std::basic_ostream<TChar, TCharTraits> &
pretty_print(std::basic_ostream<TChar, TCharTraits> & stream, char c) {
pretty_print(std::basic_ostream<TChar, TCharTraits> &stream, char c) {
stream << "'";
detail::escape_char(stream, c);
return stream << "'";
}
template<typename T, typename TChar, typename TCharTraits>
inline typename std::enable_if< !::pretty_print::is_container<T>::value,
std::basic_ostream<TChar, TCharTraits> &>::type
pretty_print(std::basic_ostream<TChar, TCharTraits> & stream, const T& x) {
template <typename T, typename TChar, typename TCharTraits>
inline typename std::enable_if<!::soi::is_container<T>::value,
std::basic_ostream<TChar, TCharTraits> &>::type
pretty_print(std::basic_ostream<TChar, TCharTraits> &stream, const T &x) {
return stream << x;
}
template <typename T, typename TChar, typename TCharTraits>
std::basic_ostream<TChar, TCharTraits> &
print(std::basic_ostream<TChar, TCharTraits> &stream, const T &x) {
return pretty_print(stream, x);
}
} // namespace soi
#endif // SOI_PRETTY

View File

@ -5,20 +5,20 @@
have to understand every concept all at once.
*/
#include <fstream>
#include "bits/soi-dbg.hpp"
#include <fstream>
namespace soi_h {
namespace soi {
void check_for_eof() {
if (!(std::cin >> std::ws).eof())
std::cerr << "WARNING: didn't read the whole input\n";
if (!(std::cin >> std::ws).eof())
std::cerr << "WARNING: didn't read the whole input\n";
}
void noninteractive_check_eof() {
// make symbol 0x1A (Ctrl+Z) a whitespace
struct console_ctype : std::ctype<char> {
static const mask* get_table() {
static const mask *get_table() {
static const std::array<mask, table_size> table = []() {
std::array<mask, table_size> table;
std::copy(classic_table(), classic_table() + table_size, table.begin());
@ -27,14 +27,14 @@ void noninteractive_check_eof() {
}();
return table.data();
}
console_ctype(std::size_t refs = 0) : ctype(get_table(), false, refs) {}
console_ctype(std::size_t refs = 0) : ctype(get_table(), false, refs) {}
};
std::cin.imbue(std::locale(std::cin.getloc(), new console_ctype));
check_for_eof();
}
bool should_check_for_eof() {
if (const char* eofcheck_enabled = std::getenv("SOI_EOFCHECK")) {
if (const char *eofcheck_enabled = std::getenv("SOI_EOFCHECK")) {
if (!std::strcmp(eofcheck_enabled, "1"))
return true;
if (!std::strcmp(eofcheck_enabled, "0"))
@ -48,15 +48,15 @@ void initialize_debug() {
std::cin.exceptions(std::ifstream::failbit | std::ifstream::badbit);
std::ios::sync_with_stdio(false);
if (should_check_for_eof() &&
std::atexit(noninteractive_check_eof) != 0) {
std::cerr << "WARNING: soi.h -- registration of sanity check at exit failed\n";
if (should_check_for_eof() && std::atexit(noninteractive_check_eof) != 0) {
std::cerr
<< "WARNING: soi.h -- registration of sanity check at exit failed\n";
}
soi_h::detail::dbg_init();
soi::detail::dbg_init();
}
struct soi_h_initializer {
soi_h_initializer(bool release) {
struct soi_initializer {
soi_initializer(bool release) {
if (release) {
std::ios::sync_with_stdio(false);
std::cin.tie(0);
@ -67,12 +67,12 @@ struct soi_h_initializer {
};
#ifdef SOI_RELEASE
soi_h_initializer soi_h_initializer_{true};
soi_initializer soi_initializer_{true};
#else
soi_h_initializer soi_h_initializer_{false};
soi_initializer soi_initializer_{false};
#endif
} // end namespace soi_h
} // end namespace soi
#include "bits/soi-deprecate.hpp"