33 size_t operator()(TT
const& tt)
const {
return std::hash<TT>()(tt); }
39inline void hash_combine(std::size_t& hash_seed, T
const& v) {
40 hash_seed ^= std::hash<T>()(v) + 0x9e3779b9 + (hash_seed << 6) +
44template <class Tuple, size_t Index = std::tuple_size<Tuple>::value - 1>
46 static void apply(
size_t& hash_seed, Tuple
const& tuple) {
47 HashValueImpl<Tuple, Index - 1>::apply(hash_seed, tuple);
48 hash_combine(hash_seed, std::get<Index>(tuple));
53struct HashValueImpl<Tuple, 0> {
54 static void apply(
size_t& hash_seed, Tuple
const& tuple) {
55 hash_combine(hash_seed, std::get<0>(tuple));
61template <
typename... TT>
65 HashValueImpl<std::tuple<TT...>>::apply(hash_seed, tt);
74 for (
int i = 0; i < (int)matrix.size(); i++) {
75 auto elem = *(matrix.data() + i);
76 hash_seed ^= std::hash<typename T::Scalar>()(elem) + 0x9e3779b9 +
77 (hash_seed << 6) + (hash_seed >> 2);
88 return static_cast<std::size_t
>(t);
94std::vector<std::string>
SplitString(
const std::string& str,
95 const std::string& delimiters =
" ",
96 bool trim_empty_str =
true);
101bool ContainsString(
const std::string& src,
const std::string& dst);
111bool StringEndsWith(
const std::string& src,
const std::string& tar);
113std::string
JoinStrings(
const std::vector<std::string>& strs,
114 const std::string& delimiter =
", ");
121 const std::string& valid_chars =
"_");
124 const std::string& chars =
"\t\n\v\f\r ");
127 const std::string& chars =
"\t\n\v\f\r ");
132 const std::string& chars =
"\t\n\v\f\r ");
135std::string
ToLower(
const std::string& s);
138std::string
ToUpper(
const std::string& s);
141template <
typename... Args>
143 int size_s = std::snprintf(
nullptr, 0,
format.c_str(), args...) +
146 throw std::runtime_error(
"Error during formatting.");
148 auto size =
static_cast<size_t>(size_s);
149 auto buf = std::make_unique<char[]>(
size);
150 std::snprintf(buf.get(),
size,
format.c_str(), args...);
151 return std::string(buf.get(),
152 buf.get() +
size - 1);
155void Sleep(
int milliseconds);
159 div_t tmp = std::div(x, y);
160 return tmp.quot + (tmp.rem != 0 ? 1 : 0);
filament::Texture::InternalFormat format
Definition FilamentResourceManager.cpp:195
int DivUp(int x, int y)
Computes the quotient of x/y with rounding up.
Definition Helper.h:158
std::string ToLower(const std::string &str)
Convert string to the lower case.
Definition Helper.cpp:83
bool ContainsString(const std::string &src, const std::string &dst)
Definition Helper.cpp:42
bool StringEndsWith(const std::string &src, const std::string &tar)
Definition Helper.cpp:51
void Sleep(int milliseconds)
Definition Helper.cpp:119
std::string GetCurrentTimeStamp()
Returns current time stamp.
Definition Helper.cpp:127
std::string JoinStrings(const std::vector< std::string > &strs, const std::string &delimiter)
Definition Helper.cpp:57
std::string & LeftStripString(std::string &str, const std::string &chars)
Definition Helper.cpp:69
std::string & RightStripString(std::string &str, const std::string &chars)
Definition Helper.cpp:74
bool StringStartsWith(const std::string &src, const std::string &tar)
Definition Helper.cpp:46
std::string & StripString(std::string &str, const std::string &chars)
Definition Helper.cpp:79
std::string ToUpper(const std::string &str)
Convert string to the upper case.
Definition Helper.cpp:90
std::string FormatString(const std::string &format, Args... args)
Format string.
Definition Helper.h:142
std::vector< std::string > SplitString(const std::string &str, const std::string &delimiters, bool trim_empty_str)
Definition Helper.cpp:26
size_t WordLength(const std::string &doc, size_t start_pos, const std::string &valid_chars)
Definition Helper.cpp:98
Definition PinholeCameraIntrinsic.cpp:16
std::size_t operator()(T const &matrix) const
Definition Helper.h:72
std::size_t operator()(T t) const
Definition Helper.h:87
size_t operator()(std::tuple< TT... > const &tt) const
Definition Helper.h:63
size_t operator()(TT const &tt) const
Definition Helper.h:33