mirror of https://github.com/aria2/aria2
196 lines
6.6 KiB
C++
196 lines
6.6 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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#include "SharedHandle.h"
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#include "IntSequence.h"
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#include <sys/time.h>
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#include <string>
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#include <utility>
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#include <deque>
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#include <iosfwd>
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namespace aria2 {
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class Randomizer;
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class BitfieldMan;
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class BinaryStream;
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class FileEntry;
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#define STRTOLL(X) strtoll(X, (char**)NULL, 10)
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#define START_INDEX(OFFSET, PIECE_LENGTH) ((OFFSET)/(PIECE_LENGTH))
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#define END_INDEX(OFFSET, LENGTH, PIECE_LENGTH) (((OFFSET)+(LENGTH)-1)/(PIECE_LENGTH))
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#define DIV_FLOOR(X,Y) ((X)/(Y)+((X)%(Y)? 1:0))
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class Util {
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public:
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static void split(std::pair<std::string, std::string>& hp,
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const std::string& src, char delim);
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static std::pair<std::string, std::string>
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split(const std::string& src, const std::string& delims);
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static std::string llitos(int64_t value, bool comma = false);
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static std::string ullitos(uint64_t value, bool comma = false);
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static std::string itos(int32_t value, bool comma = false);
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static std::string uitos(uint32_t value, bool comma = false);
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static std::string itos(int16_t value, bool comma = false);
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static std::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 int64_t difftv(struct timeval tv1, struct timeval tv2);
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static int32_t 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(std::deque<std::string>& result, const std::string& src,
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char delim, bool trim = false);
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static std::string trim(const std::string& src, const std::string& trimCharset = "\r\n\t ");
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static bool startsWith(const std::string& target, const std::string& part);
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static bool endsWith(const std::string& target, const std::string& part);
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static std::string replace(const std::string& target, const std::string& oldstr, const std::string& newstr);
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static std::string urlencode(const unsigned char* target, int32_t len);
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static std::string urlencode(const std::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 bool shouldUrlencode(const char c);
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static std::string urldecode(const std::string& target);
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static std::string torrentUrlencode(const unsigned char* target, int32_t len);
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static std::string toHex(const unsigned char* src, int32_t len);
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static std::string toHex(const std::string& src)
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{
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return toHex(reinterpret_cast<const unsigned char*>(src.c_str()), src.size());
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}
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static FILE* openFile(const std::string& filename, const std::string& mode);
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static void fileCopy(const std::string& destFile, const std::string& src);
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static void rangedFileCopy(const std::string& destFile, const std::string& src, int64_t srcOffset, int64_t length);
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static bool isPowerOf(int32_t num, int32_t base);
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static std::string secfmt(int32_t sec);
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static int32_t expandBuffer(char** pbuf, int32_t curLength, int32_t newLength);
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static void unfoldRange(const std::string& src, std::deque<int32_t>& range);
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static int32_t parseInt(const std::string& s, int32_t base = 10);
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static int64_t parseLLInt(const std::string& s, int32_t base = 10);
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static IntSequence parseIntRange(const std::string& src);
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// this function temporarily put here
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static std::string getContentDispositionFilename(const std::string& header);
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static int32_t countBit(uint32_t n);
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static std::string randomAlpha(int32_t length,
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const SharedHandle<Randomizer>& randomizer);
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static std::string toUpper(const std::string& src);
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static std::string toLower(const std::string& src);
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static bool isNumbersAndDotsNotation(const std::string& name);
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static void setGlobalSignalHandler(int32_t signal, void (*handler)(int), int32_t 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 std::string getHomeDir();
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static int64_t getRealSize(const std::string& sizeWithUnit);
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static std::string abbrevSize(int64_t size);
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static time_t httpGMT(const std::string& httpTimeFormat);
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static void toStream(std::ostream& os,
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const std::deque<SharedHandle<FileEntry> >& entries);
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static void sleep(long seconds);
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static void usleep(long microseconds);
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static bool isNumber(const std::string& what);
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static bool isLowercase(const std::string& what);
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static bool isUppercase(const std::string& what);
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static int32_t alphaToNum(const std::string& alphabets);
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static void mkdirs(const std::string& dirpath);
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static void convertBitfield(BitfieldMan* dest, const BitfieldMan* src);
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// binaryStream has to be opened before calling this function.
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static std::string toString(const SharedHandle<BinaryStream>& binaryStream);
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#ifdef HAVE_POSIX_MEMALIGN
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static void* allocateAlignedMemory(size_t alignment, size_t size);
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#endif // HAVE_POSIX_MEMALIGN
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};
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} // namespace aria2
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#endif // _D_UTIL_H_
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