/usr/include/hphp/util/functional.h is in hhvm-dev 3.11.1+dfsg-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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+----------------------------------------------------------------------+
| HipHop for PHP |
+----------------------------------------------------------------------+
| Copyright (c) 2010-2015 Facebook, Inc. (http://www.facebook.com) |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
*/
#ifndef incl_HPHP_FUNCTIONAL_H_
#define incl_HPHP_FUNCTIONAL_H_
#include <cstring>
#include <string>
#include "hphp/util/hash.h"
namespace HPHP {
//////////////////////////////////////////////////////////////////////
/*
* Small function objects for use with STL containers and things of
* that sort.
*/
//////////////////////////////////////////////////////////////////////
struct cstr_hash {
size_t operator()(const char* s) const {
return hash_string_cs(s, strlen(s));
}
};
struct ltstr {
bool operator()(const char *s1, const char *s2) const {
return strcmp(s1, s2) < 0;
}
};
struct eqstr {
bool operator()(const char* s1, const char* s2) const {
return strcmp(s1, s2) == 0;
}
};
struct stdltstr {
bool operator()(const std::string &s1, const std::string &s2) const {
return strcmp(s1.c_str(), s2.c_str()) < 0;
}
};
struct stdltistr {
bool operator()(const std::string &s1, const std::string &s2) const {
return strcasecmp(s1.c_str(), s2.c_str()) < 0;
}
};
struct string_hash {
size_t operator()(const std::string &s) const {
return hash_string_cs_unsafe(s.c_str(), s.size());
}
size_t hash(const std::string &s) const {
return operator()(s);
}
};
struct stringHashCompare {
bool equal(const std::string &s1, const std::string &s2) const {
return s1 == s2;
}
size_t hash(const std::string &s) const {
return hash_string_unsafe(s.c_str(), s.size());
}
};
struct int64_hash {
size_t operator() (const int64_t v) const {
return (size_t)hash_int64(v);
}
size_t hash(const int64_t v) const {
return operator()(v);
}
bool equal(const int64_t lhs, const int64_t rhs) const {
return lhs == rhs;
}
};
template<typename T>
struct pointer_hash {
size_t operator() (const T *const p) const {
return (size_t)hash_int64(intptr_t(p));
}
size_t hash(const T *const p) const {
return operator()(p);
}
bool equal(const T *const lhs,
const T *const rhs) const {
return lhs == rhs;
}
};
template<typename T>
struct smart_pointer_hash {
size_t operator() (const T &p) const {
return (size_t)hash_int64(intptr_t(p.get()));
}
size_t hash (const T &p) const {
return operator()(p);
}
bool equal(const T &lhs, const T &rhs) const {
return lhs.get() == rhs.get();
}
};
//////////////////////////////////////////////////////////////////////
// Case-insensitive ones.
struct hashi {
size_t operator()(const char *s) const {
return hash_string_i(s, strlen(s));
}
};
struct eqstri {
bool operator()(const char* s1, const char* s2) const {
return strcasecmp(s1, s2) == 0;
}
};
struct string_hashi {
size_t operator()(const std::string &s) const {
return hash_string_i_unsafe(s.data(), s.size());
}
};
template<typename S, typename S2=S>
struct stringlike_eqstri {
bool operator()(const S &s1, const S2 &s2) const {
return s1.size() == s2.size() &&
strncasecmp(s1.data(), s2.data(), s1.size()) == 0;
}
};
typedef stringlike_eqstri<std::string> string_eqstri;
struct string_lessi {
bool operator()(const std::string &s1, const std::string &s2) const {
return strcasecmp(s1.data(), s2.data()) < 0;
}
};
//////////////////////////////////////////////////////////////////////
}
#endif
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