mirror of https://github.com/aria2/aria2
154 lines
5.4 KiB
C++
154 lines
5.4 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - The high speed download utility
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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/* copyright --> */
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#ifndef _D_UTIL_H_
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#define _D_UTIL_H_
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#include "common.h"
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#ifdef ENABLE_MESSAGE_DIGEST
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#include "messageDigest.h"
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#endif // ENABLE_MESSAGE_DIGEST
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#include <string>
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#include <utility>
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#include <deque>
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#include <sys/time.h>
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#include <stdio.h>
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using namespace std;
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#define STRTOLL(X) strtoll(X, (char**)NULL, 10);
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class Util {
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public:
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static void split(pair<string, string>& hp, const string& src, char delim);
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static pair<string, string> split(const string& src, const string& delims);
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static string llitos(int64_t value, bool comma = false);
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static string ullitos(uint64_t value, bool comma = false);
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static string itos(int32_t value, bool comma = false);
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static string uitos(uint32_t value, bool comma = false);
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static string itos(int16_t value, bool comma = false);
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static string uitos(uint16_t value, bool comma = false);
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/**
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* Computes difference in micro-seconds between tv1 and tv2,
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* assuming tv1 is newer than tv2.
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* If tv1 is older than tv2, then this method returns 0.
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*/
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static long long int difftv(struct timeval tv1, struct timeval tv2);
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static int difftvsec(struct timeval tv1, struct timeval tv2);
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/**
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* Take a string src which is a deliminated list and add its elements
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* into result. result is not cleared before conversion begins.
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*/
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static void slice(Strings& result, const string& src, char delim, bool trim = false);
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static string trim(const string& src);
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static bool startsWith(const string& target, const string& part);
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static bool endsWith(const string& target, const string& part);
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static string replace(const string& target, const string& oldstr, const string& newstr);
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static string urlencode(const unsigned char* target, int len);
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static string urlencode(const string& target)
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{
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return urlencode((const unsigned char*)target.c_str(), target.size());
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}
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static string urldecode(const string& target);
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static string torrentUrlencode(const unsigned char* target, int len);
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static string toHex(const unsigned char* src, int len);
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static FILE* openFile(const string& filename, const string& mode);
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static void fileCopy(const string& destFile, const string& src);
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static void rangedFileCopy(const string& destFile, const string& src, long long int srcOffset, long long int length);
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static bool isPowerOf(int num, int base);
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static string secfmt(int sec);
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static int expandBuffer(char** pbuf, int curLength, int newLength);
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static void unfoldRange(const string& src, Integers& range);
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// this function temporarily put here
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static string getContentDispositionFilename(const string& header);
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// digest must be at least 20 bytes long.
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#ifdef ENABLE_MESSAGE_DIGEST
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static void sha1Sum(unsigned char* digest, const void* data, int dataLength);
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static string simpleMessageDigest(const string& data);
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#endif // ENABLE_MESSAGE_DIGEST
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// Before call this method, allocate enough memory to the parameter "digest".
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// For sha1, you need 20 bytes. For md5, 16 bytes.
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#ifdef ENABLE_MESSAGE_DIGEST
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static void fileChecksum(const string& filename, unsigned char* digest,
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MessageDigestContext::DigestAlgo algo);
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#endif // ENABLE_MESSAGE_DIGEST
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#ifdef ENABLE_BITTORRENT
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static Integers computeFastSet(string ipaddr, const unsigned char* infoHash,
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int pieces, int fastSetSize);
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#endif // ENABLE_BITTORRENT
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static int32_t countBit(uint32_t n);
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static string randomAlpha(int length);
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static string toUpper(const string& src);
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static string toLower(const string& src);
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static bool isNumbersAndDotsNotation(const string& name);
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static void setGlobalSignalHandler(int signal, void (*handler)(int), int flags);
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static void indexRange(int32_t& startIndex, int32_t& endIndex,
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int64_t offset,
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int32_t srcLength, int32_t destLength);
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static string getHomeDir();
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static int64_t getRealSize(const string& sizeWithUnit);
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};
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#endif // _D_UTIL_H_
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