/usr/include/eiskaltdcpp/dcpp/Util.h is in libeiskaltdcpp-dev 2.2.9-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2001-2012 Jacek Sieka, arnetheduck on gmail point com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#ifdef _WIN32
# define PATH_SEPARATOR '\\'
# define PATH_SEPARATOR_STR "\\"
#else
# define PATH_SEPARATOR '/'
# define PATH_SEPARATOR_STR "/"
#endif
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include <cstdlib>
#include <vector>
#include <functional>
#include <algorithm>
#include <map>
#include "Text.h"
extern "C" int _nl_msg_cat_cntr;
namespace dcpp {
template<typename T, bool flag> struct ReferenceSelector {
typedef T ResultType;
};
template<typename T> struct ReferenceSelector<T,true> {
typedef const T& ResultType;
};
template<typename T> class IsOfClassType {
public:
template<typename U> static char check(int U::*);
template<typename U> static float check(...);
public:
enum { Result = sizeof(check<T>(0)) };
};
template<typename T> struct TypeTraits {
typedef IsOfClassType<T> ClassType;
typedef ReferenceSelector<T, ((ClassType::Result == 1) || (sizeof(T) > sizeof(char*)) ) > Selector;
typedef typename Selector::ResultType ParameterType;
};
#define GETSET(type, name, name2) \
private: type name; \
public: TypeTraits<type>::ParameterType get##name2() const { return name; } \
void set##name2(TypeTraits<type>::ParameterType a##name2) { name = a##name2; }
#define LIT(x) x, (sizeof(x)-1)
/** Evaluates op(pair<T1, T2>.first, compareTo) */
template<class T1, class T2, class op = std::equal_to<T1> >
class CompareFirst {
public:
CompareFirst(const T1& compareTo) : a(compareTo) { }
bool operator()(const pair<T1, T2>& p) { return op()(p.first, a); }
private:
CompareFirst& operator=(const CompareFirst&);
const T1& a;
};
/** Evaluates op(pair<T1, T2>.second, compareTo) */
template<class T1, class T2, class op = std::equal_to<T2> >
class CompareSecond {
public:
CompareSecond(const T2& compareTo) : a(compareTo) { }
bool operator()(const pair<T1, T2>& p) { return op()(p.second, a); }
private:
CompareSecond& operator=(const CompareSecond&);
const T2& a;
};
/**
* Compares two values
* @return -1 if v1 < v2, 0 if v1 == v2 and 1 if v1 > v2
*/
template<typename T1>
inline int compare(const T1& v1, const T1& v2) { return (v1 < v2) ? -1 : ((v1 == v2) ? 0 : 1); }
template<typename T1> inline double fraction(T1 a, T1 b) { return static_cast<double>(a) / b; }
class Util
{
public:
static tstring emptyStringT;
static string emptyString;
static wstring emptyStringW;
enum Paths {
/** Global configuration */
PATH_GLOBAL_CONFIG,
/** Per-user configuration (queue, favorites, ...) */
PATH_USER_CONFIG,
/** Per-user local data (cache, temp files, ...) */
PATH_USER_LOCAL,
/** Various resources (help files etc) */
PATH_RESOURCES,
/** Translations */
PATH_LOCALE,
/** Default download location */
PATH_DOWNLOADS,
/** Default file list location */
PATH_FILE_LISTS,
/** Default hub list cache */
PATH_HUB_LISTS,
/** Where the notepad file is stored */
PATH_NOTEPAD,
PATH_LAST
};
typedef std::map<Util::Paths, std::string> PathsMap;
static void initialize(PathsMap pathOverrides = PathsMap());
/** Path of temporary storage */
static string getTempPath() {
#ifdef _WIN32
TCHAR buf[MAX_PATH + 1];
DWORD x = GetTempPath(MAX_PATH, buf);
return Text::fromT(tstring(buf, x));
#else
return "/tmp/";
#endif
}
/** Path of configuration files */
static const string& getPath(Paths path) { return paths[path]; }
/** Migrate from pre-localmode config location */
static void migrate(const string& file);
/** */
static string getLoginName();
/** Path of file lists */
static string getListPath() { return getPath(PATH_FILE_LISTS); }
/** Path of hub lists */
static string getHubListsPath() { return getPath(PATH_HUB_LISTS); }
/** Notepad filename */
static string getNotepadFile() { return getPath(PATH_NOTEPAD); }
static string translateError(int aError);
static string getFilePath(const string& path, char separator = PATH_SEPARATOR) {
string::size_type i = path.rfind(separator);
return (i != string::npos) ? path.substr(0, i + 1) : path;
}
static string getFileName(const string& path, char separator = PATH_SEPARATOR) {
string::size_type i = path.rfind(separator);
return (i != string::npos) ? path.substr(i + 1) : path;
}
static string getFileExt(const string& path) {
string::size_type i = path.rfind('.');
return (i != string::npos) ? path.substr(i) : Util::emptyString;
}
static string getLastDir(const string& path, char separator = PATH_SEPARATOR) {
string::size_type i = path.rfind(separator);
if(i == string::npos)
return Util::emptyString;
string::size_type j = path.rfind(separator, i-1);
return (j != string::npos) ? path.substr(j+1, i-j-1) : path;
}
static wstring getFilePath(const wstring& path) {
wstring::size_type i = path.rfind(PATH_SEPARATOR);
return (i != wstring::npos) ? path.substr(0, i + 1) : path;
}
static wstring getFileName(const wstring& path) {
wstring::size_type i = path.rfind(PATH_SEPARATOR);
return (i != wstring::npos) ? path.substr(i + 1) : path;
}
static wstring getFileExt(const wstring& path) {
wstring::size_type i = path.rfind('.');
return (i != wstring::npos) ? path.substr(i) : Util::emptyStringW;
}
static wstring getLastDir(const wstring& path) {
wstring::size_type i = path.rfind(PATH_SEPARATOR);
if(i == wstring::npos)
return Util::emptyStringW;
wstring::size_type j = path.rfind(PATH_SEPARATOR, i-1);
return (j != wstring::npos) ? path.substr(j+1, i-j-1) : path;
}
template<typename string_t>
static void replace(const string_t& search, const string_t& replacement, string_t& str) {
typename string_t::size_type i = 0;
while((i = str.find(search, i)) != string_t::npos) {
str.replace(i, search.size(), replacement);
i += replacement.size();
}
}
template<typename string_t>
static inline void replace(const typename string_t::value_type* search, const typename string_t::value_type* replacement, string_t& str) {
replace(string_t(search), string_t(replacement), str);
}
static void decodeUrl(const string& aUrl, string& protocol, string& host, uint16_t& port, string& path, string& query, string& fragment);
static std::map<string, string> decodeQuery(const string& query);
static string validateFileName(string aFile, const string& badCharsExtra = "");
static bool checkExtension(const string& tmp);
static string cleanPathChars(string aNick);
static string addBrackets(const string& s);
static string formatBytes(const string& aString) { return formatBytes(toInt64(aString)); }
static string getShortTimeString(time_t t = time(NULL) );
static string getTimeString();
static string toAdcFile(const string& file);
static string toNmdcFile(const string& file);
static string formatBytes(int64_t aBytes);
static string formatExactSize(int64_t aBytes);
static time_t getStartTime() { return startTime; }
static time_t getUpTime() { return time(NULL) - getStartTime(); }
static string formatSeconds(int64_t aSec) {
char buf[64];
snprintf(buf, sizeof(buf), "%01lu:%02d:%02d", (unsigned long)(aSec / (60*60)), (int)((aSec / 60) % 60), (int)(aSec % 60));
return buf;
}
static string formatParams(const string& msg, const StringMap& params, bool filter);
static string formatTime(const string &msg, const time_t t);
static inline int64_t roundDown(int64_t size, int64_t blockSize) {
return ((size + blockSize / 2) / blockSize) * blockSize;
}
static inline int64_t roundUp(int64_t size, int64_t blockSize) {
return ((size + blockSize - 1) / blockSize) * blockSize;
}
static inline int roundDown(int size, int blockSize) {
return ((size + blockSize / 2) / blockSize) * blockSize;
}
static inline int roundUp(int size, int blockSize) {
return ((size + blockSize - 1) / blockSize) * blockSize;
}
static int64_t toInt64(const string& aString) {
#ifdef _WIN32
return _atoi64(aString.c_str());
#else
#ifndef __HAIKU__
return strtoq(aString.c_str(), (char **)NULL, 10);
#else
return strtoll(aString.c_str(), (char **)NULL, 10);
#endif
#endif
}
static int toInt(const string& aString) {
return atoi(aString.c_str());
}
static uint32_t toUInt32(const string& str) {
return toUInt32(str.c_str());
}
static uint32_t toUInt32(const char* c) {
#ifdef _MSC_VER
/*
* MSVC's atoi returns INT_MIN/INT_MAX if out-of-range; hence, a number
* between INT_MAX and UINT_MAX can't be converted back to uint32_t.
*/
uint32_t ret = atoi(c);
if(errno == ERANGE)
return (uint32_t)_atoi64(c);
return ret;
#else
return (uint32_t)atoi(c);
#endif
}
static unsigned toUInt(const string& s) {
if(s.empty())
return 0;
int ret = toInt(s);
if(ret < 0)
return 0;
return ret;
}
static double toDouble(const string& aString) {
// Work-around for atof and locales...
lconv* lv = localeconv();
string::size_type i = aString.find_last_of(".,");
if(i != string::npos && aString[i] != lv->decimal_point[0]) {
string tmp(aString);
tmp[i] = lv->decimal_point[0];
return atof(tmp.c_str());
}
return atof(aString.c_str());
}
static float toFloat(const string& aString) {
return (float)toDouble(aString);
}
static string toString(short val) {
char buf[8];
snprintf(buf, sizeof(buf), "%d", (int)val);
return buf;
}
static string toString(unsigned short val) {
char buf[8];
snprintf(buf, sizeof(buf), "%u", (unsigned int)val);
return buf;
}
static string toString(int val) {
char buf[16];
snprintf(buf, sizeof(buf), "%d", val);
return buf;
}
static string toString(unsigned int val) {
char buf[16];
snprintf(buf, sizeof(buf), "%u", val);
return buf;
}
static string toString(long val) {
char buf[32];
snprintf(buf, sizeof(buf), "%ld", val);
return buf;
}
static string toString(unsigned long val) {
char buf[32];
snprintf(buf, sizeof(buf), "%lu", val);
return buf;
}
static string toString(long long val) {
char buf[32];
snprintf(buf, sizeof(buf), I64_FMT, val);
return buf;
}
static string toString(unsigned long long val) {
char buf[32];
snprintf(buf, sizeof(buf), U64_FMT, val);
return buf;
}
static string toString(double val) {
char buf[16];
snprintf(buf, sizeof(buf), "%0.2f", val);
return buf;
}
template<typename string_t>
static string_t toString(const string_t& sep, const std::vector<string_t>& lst) {
string_t ret;
for(typename std::vector<string_t>::const_iterator i = lst.begin(), iend = lst.end(); i != iend; ++i) {
ret += *i;
if(i + 1 != iend)
ret += sep;
}
return ret;
}
template<typename string_t>
static inline string_t toString(const typename string_t::value_type* sep, const std::vector<string_t>& lst) {
return toString(string_t(sep), lst);
}
static string toString(const string& sep, const StringList& lst);
static string toString(const StringList& lst);
static string toHexEscape(char val) {
char buf[sizeof(int)*2+1+1];
snprintf(buf, sizeof(buf), "%%%X", val&0x0FF);
return buf;
}
static char fromHexEscape(const string& aString) {
unsigned int res = 0;
sscanf(aString.c_str(), "%X", &res);
return static_cast<char>(res);
}
template<typename T>
static T& intersect(T& t1, const T& t2) {
for(typename T::iterator i = t1.begin(); i != t1.end();) {
if(std::find_if(t2.begin(), t2.end(), bind1st(std::equal_to<typename T::value_type>(), *i)) == t2.end())
i = t1.erase(i);
else
++i;
}
return t1;
}
static string encodeURI(const string& /*aString*/, bool reverse = false);
static string getLocalIp();
static std::vector<string> getLocalIPs();
static bool isPrivateIp(string const& ip);
static string formatAdditionalInfo(const std::string& aIp, bool sIp, bool sCC);
/**
* Case insensitive substring search.
* @return First position found or string::npos
*/
static string::size_type findSubString(const string& aString, const string& aSubString, string::size_type start = 0) noexcept;
static wstring::size_type findSubString(const wstring& aString, const wstring& aSubString, wstring::size_type start = 0) noexcept;
/* Utf-8 versions of strnicmp and stricmp, unicode char code order (!) */
static int stricmp(const char* a, const char* b);
static int strnicmp(const char* a, const char* b, size_t n);
static int stricmp(const wchar_t* a, const wchar_t* b) {
while(*a && Text::toLower(*a) == Text::toLower(*b))
++a, ++b;
return ((int)Text::toLower(*a)) - ((int)Text::toLower(*b));
}
static int strnicmp(const wchar_t* a, const wchar_t* b, size_t n) {
while(n && *a && Text::toLower(*a) == Text::toLower(*b))
--n, ++a, ++b;
return n == 0 ? 0 : ((int)Text::toLower(*a)) - ((int)Text::toLower(*b));
}
static int stricmp(const string& a, const string& b) { return stricmp(a.c_str(), b.c_str()); }
static int strnicmp(const string& a, const string& b, size_t n) { return strnicmp(a.c_str(), b.c_str(), n); }
static int stricmp(const wstring& a, const wstring& b) { return stricmp(a.c_str(), b.c_str()); }
static int strnicmp(const wstring& a, const wstring& b, size_t n) { return strnicmp(a.c_str(), b.c_str(), n); }
static int strcmp(const wchar_t* a, const wchar_t* b) {
while(*a && (*a) == (*b))
++a, ++b;
return ((int)(*a)) - ((int)(*b));
}
static int strncmp(const wchar_t* a, const wchar_t* b, size_t n) {
while(n && *a && (*a) == (*b))
--n, ++a, ++b;
return n == 0 ? 0 : ((int)(*a)) - ((int)(*b));
}
static int strcmp(const wstring& a, const wstring& b) { return strcmp(a.c_str(), b.c_str()); }
static int strncmp(const wstring& a, const wstring& b, size_t n) { return strncmp(a.c_str(), b.c_str(), n); }
static string getIpCountry (string IP);
static void setLang(const string& lang) {
if(!lang.empty())
#ifdef _WIN32
putenv((char *)string("LANGUAGE=" + lang).c_str());
#else
setenv ("LANGUAGE", lang.c_str(), 1);
#endif
/* Make change known. */
{
++_nl_msg_cat_cntr;
}
}
static bool getAway();
static void setAway(bool aAway);
static void switchAway();
static bool getManualAway() { return manualAway; }
static void setManualAway(bool aManualAway) { manualAway = aManualAway; }
static string getAwayMessage();
static void setAwayMessage(const string& aMsg) { awayMsg = aMsg; }
static bool fileExists(const string &aFile);
static uint32_t rand();
static uint32_t rand(uint32_t high) { return rand() % high; }
static uint32_t rand(uint32_t low, uint32_t high) { return rand(high-low) + low; }
static double randd() { return ((double)rand()) / ((double)0xffffffff); }
private:
/** In local mode, all config and temp files are kept in the same dir as the executable */
static bool localMode;
static string paths[PATH_LAST];
static bool away;
static bool manualAway;
static string awayMsg;
static time_t awayTime;
static time_t startTime;
typedef std::map<uint32_t, uint16_t> CountryList;
typedef CountryList::iterator CountryIter;
static CountryList countries;
static void loadBootConfig();
};
/** Case sensitive hash function for strings */
struct CaseStringHash {
size_t operator()(const string* s) const {
return operator()(*s);
}
size_t operator()(const string& s) const {
size_t x = 0;
const char* end = s.data() + s.size();
for(const char* str = s.data(); str < end; ) {
wchar_t c = 0;
int n = Text::utf8ToWc(str, c);
if(n < 0) {
x = x*32 - x + '_';
str += abs(n);
} else {
x = x*32 - x + (size_t)(c);
str += n;
}
}
return x;
}
size_t operator()(const wstring* s) const {
return operator()(*s);
}
size_t operator()(const wstring& s) const {
size_t x = 0;
const wchar_t* y = s.data();
wstring::size_type j = s.size();
for(wstring::size_type i = 0; i < j; ++i) {
x = x*31 + (size_t)(y[i]);
}
return x;
}
bool operator()(const string* a, const string* b) const {
return ::strcmp((*a).c_str(), (*b).c_str()) < 0;
}
bool operator()(const string& a, const string& b) const {
return ::strcmp(a.c_str(), b.c_str()) < 0;
}
bool operator()(const wstring* a, const wstring* b) const {
return Util::strcmp(*a, *b) < 0;
}
bool operator()(const wstring& a, const wstring& b) const {
return Util::strcmp(a, b) < 0;
}
};
/** Case sensitive string comparison */
struct CaseStringEq {
bool operator()(const string* a, const string* b) const {
return a == b || ::strcmp((*a).c_str(), (*b).c_str()) == 0;
}
bool operator()(const string& a, const string& b) const {
return ::strcmp(a.c_str(), b.c_str()) == 0;
}
bool operator()(const wstring* a, const wstring* b) const {
return a == b || Util::strcmp(*a, *b) == 0;
}
bool operator()(const wstring& a, const wstring& b) const {
return Util::strcmp(a, b) == 0;
}
};
/** Case sensitive string ordering */
struct CaseStringLess {
bool operator()(const string* a, const string* b) const {
return ::strcmp((*a).c_str(), (*b).c_str()) < 0;
}
bool operator()(const string& a, const string& b) const {
return ::strcmp(a.c_str(), b.c_str()) < 0;
}
bool operator()(const wstring* a, const wstring* b) const {
return Util::strcmp(*a, *b) < 0;
}
bool operator()(const wstring& a, const wstring& b) const {
return Util::strcmp(a, b) < 0;
}
};
} // namespace dcpp
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