mirror of
https://github.com/nzbget/nzbget.git
synced 2026-04-19 04:16:53 -04:00
2907 lines
61 KiB
C++
2907 lines
61 KiB
C++
/*
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* This file is part of nzbget
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*
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* Copyright (C) 2007-2015 Andrey Prygunkov <hugbug@users.sourceforge.net>
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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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* $Revision$
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* $Date$
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*
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*/
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#include "nzbget.h"
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#include "Util.h"
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#ifndef WIN32
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// function "code_revision" is automatically generated in file "code_revision.cpp" on each build
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const char* code_revision(void);
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#endif
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#ifdef WIN32
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// getopt for WIN32:
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// from http://www.codeproject.com/cpp/xgetopt.asp
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// Original Author: Hans Dietrich (hdietrich2@hotmail.com)
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// Released to public domain from author (thanks)
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// Slightly modified by Andrey Prygunkov
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char *optarg; // global argument pointer
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int optind = 0; // global argv index
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int getopt(int argc, char *argv[], char *optstring)
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{
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static char *next = NULL;
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if (optind == 0)
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next = NULL;
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optarg = NULL;
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if (next == NULL || *next == '\0')
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{
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if (optind == 0)
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optind++;
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if (optind >= argc || argv[optind][0] != '-' || argv[optind][1] == '\0')
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{
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optarg = NULL;
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if (optind < argc)
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optarg = argv[optind];
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return -1;
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}
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if (strcmp(argv[optind], "--") == 0)
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{
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optind++;
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optarg = NULL;
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if (optind < argc)
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optarg = argv[optind];
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return -1;
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}
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next = argv[optind];
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next++; // skip past -
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optind++;
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}
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char c = *next++;
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char *cp = strchr(optstring, c);
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if (cp == NULL || c == ':')
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{
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fprintf(stderr, "Invalid option %c", c);
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return '?';
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}
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cp++;
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if (*cp == ':')
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{
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if (*next != '\0')
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{
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optarg = next;
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next = NULL;
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}
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else if (optind < argc)
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{
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optarg = argv[optind];
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optind++;
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}
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else
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{
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fprintf(stderr, "Option %c needs an argument", c);
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return '?';
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}
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}
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return c;
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}
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DirBrowser::DirBrowser(const char* path)
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{
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char mask[MAX_PATH + 1];
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snprintf(mask, MAX_PATH + 1, "%s%c*.*", path, (int)PATH_SEPARATOR);
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mask[MAX_PATH] = '\0';
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m_file = FindFirstFile(mask, &m_findData);
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m_first = true;
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}
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DirBrowser::~DirBrowser()
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{
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if (m_file != INVALID_HANDLE_VALUE)
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{
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FindClose(m_file);
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}
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}
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const char* DirBrowser::Next()
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{
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bool ok = false;
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if (m_first)
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{
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ok = m_file != INVALID_HANDLE_VALUE;
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m_first = false;
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}
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else
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{
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ok = FindNextFile(m_file, &m_findData) != 0;
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}
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if (ok)
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{
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return m_findData.cFileName;
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}
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return NULL;
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}
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#else
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#ifdef DIRBROWSER_SNAPSHOT
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DirBrowser::DirBrowser(const char* path, bool snapshot)
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#else
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DirBrowser::DirBrowser(const char* path)
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#endif
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{
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#ifdef DIRBROWSER_SNAPSHOT
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m_snapshot = snapshot;
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if (m_snapshot)
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{
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DirBrowser dir(path, false);
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while (const char* filename = dir.Next())
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{
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m_snapshot.push_back(strdup(filename));
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}
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m_itSnapshot = m_snapshot.begin();
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}
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else
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#endif
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{
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m_dir = opendir(path);
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}
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}
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DirBrowser::~DirBrowser()
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{
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#ifdef DIRBROWSER_SNAPSHOT
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if (m_snapshot)
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{
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for (FileList::iterator it = m_snapshot.begin(); it != m_snapshot.end(); it++)
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{
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delete *it;
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}
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}
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else
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#endif
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{
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if (m_dir)
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{
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closedir((DIR*)m_dir);
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}
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}
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}
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const char* DirBrowser::Next()
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{
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#ifdef DIRBROWSER_SNAPSHOT
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if (m_snapshot)
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{
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return m_itSnapshot == m_snapshot.end() ? NULL : *m_itSnapshot++;
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}
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else
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#endif
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{
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if (m_dir)
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{
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m_findData = readdir((DIR*)m_dir);
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if (m_findData)
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{
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return m_findData->d_name;
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}
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}
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return NULL;
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}
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}
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#endif
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StringBuilder::StringBuilder()
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{
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m_buffer = NULL;
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m_bufferSize = 0;
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m_usedSize = 0;
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m_growSize = 10240;
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}
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StringBuilder::~StringBuilder()
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{
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free(m_buffer);
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}
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void StringBuilder::Clear()
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{
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free(m_buffer);
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m_buffer = NULL;
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m_bufferSize = 0;
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m_usedSize = 0;
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}
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void StringBuilder::Append(const char* str)
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{
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int partLen = strlen(str);
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Reserve(partLen + 1);
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strcpy(m_buffer + m_usedSize, str);
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m_usedSize += partLen;
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m_buffer[m_usedSize] = '\0';
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}
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void StringBuilder::AppendFmt(const char* format, ...)
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{
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va_list args;
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va_start(args, format);
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AppendFmtV(format, args);
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va_end(args);
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}
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void StringBuilder::AppendFmtV(const char* format, va_list ap)
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{
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va_list ap2;
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va_copy(ap2, ap);
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int remainingSize = m_bufferSize - m_usedSize;
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int m = vsnprintf(m_buffer + m_usedSize, remainingSize, format, ap);
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#ifdef WIN32
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if (m == -1)
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{
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m = _vscprintf(format, ap);
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}
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#endif
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if (m + 1 > remainingSize)
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{
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Reserve(m - remainingSize + m_growSize);
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remainingSize = m_bufferSize - m_usedSize;
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m = vsnprintf(m_buffer + m_usedSize, remainingSize, format, ap2);
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}
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if (m >= 0)
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{
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m_buffer[m_usedSize += m] = '\0';
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}
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va_end(ap2);
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}
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void StringBuilder::Reserve(int size)
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{
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if (m_usedSize + size > m_bufferSize)
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{
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m_bufferSize += size + m_growSize;
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m_buffer = (char*)realloc(m_buffer, m_bufferSize);
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}
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}
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char Util::VersionRevisionBuf[100];
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char* Util::BaseFileName(const char* filename)
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{
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char* p = (char*)strrchr(filename, PATH_SEPARATOR);
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char* p1 = (char*)strrchr(filename, ALT_PATH_SEPARATOR);
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if (p1)
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{
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if ((p && p < p1) || !p)
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{
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p = p1;
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}
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}
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if (p)
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{
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return p + 1;
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}
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else
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{
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return (char*)filename;
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}
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}
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void Util::NormalizePathSeparators(char* path)
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{
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for (char* p = path; *p; p++)
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{
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if (*p == ALT_PATH_SEPARATOR)
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{
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*p = PATH_SEPARATOR;
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}
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}
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}
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bool Util::ForceDirectories(const char* path, char* errBuf, int bufSize)
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{
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*errBuf = '\0';
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char sysErrStr[256];
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char normPath[1024];
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strncpy(normPath, path, 1024);
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normPath[1024-1] = '\0';
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NormalizePathSeparators(normPath);
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int len = strlen(normPath);
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if ((len > 0) && normPath[len-1] == PATH_SEPARATOR
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#ifdef WIN32
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&& len > 3
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#endif
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)
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{
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normPath[len-1] = '\0';
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}
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struct stat buffer;
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bool ok = !stat(normPath, &buffer);
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if (!ok && errno != ENOENT)
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{
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snprintf(errBuf, bufSize, "could not read information for directory %s: errno %i, %s", normPath, errno, GetLastErrorMessage(sysErrStr, sizeof(sysErrStr)));
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errBuf[bufSize-1] = 0;
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return false;
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}
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if (ok && !S_ISDIR(buffer.st_mode))
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{
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snprintf(errBuf, bufSize, "path %s is not a directory", normPath);
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errBuf[bufSize-1] = 0;
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return false;
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}
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if (!ok
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#ifdef WIN32
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&& strlen(normPath) > 2
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#endif
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)
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{
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char parentPath[1024];
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strncpy(parentPath, normPath, 1024);
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parentPath[1024-1] = '\0';
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char* p = (char*)strrchr(parentPath, PATH_SEPARATOR);
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if (p)
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{
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#ifdef WIN32
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if (p - parentPath == 2 && parentPath[1] == ':' && strlen(parentPath) > 2)
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{
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parentPath[3] = '\0';
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}
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else
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#endif
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{
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*p = '\0';
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}
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if (strlen(parentPath) != strlen(path) && !ForceDirectories(parentPath, errBuf, bufSize))
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{
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return false;
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}
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}
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if (mkdir(normPath, S_DIRMODE) != 0 && errno != EEXIST)
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{
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snprintf(errBuf, bufSize, "could not create directory %s: %s", normPath, GetLastErrorMessage(sysErrStr, sizeof(sysErrStr)));
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errBuf[bufSize-1] = 0;
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return false;
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}
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if (stat(normPath, &buffer) != 0)
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{
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snprintf(errBuf, bufSize, "could not read information for directory %s: %s", normPath, GetLastErrorMessage(sysErrStr, sizeof(sysErrStr)));
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errBuf[bufSize-1] = 0;
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return false;
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}
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if (!S_ISDIR(buffer.st_mode))
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{
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snprintf(errBuf, bufSize, "path %s is not a directory", normPath);
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errBuf[bufSize-1] = 0;
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return false;
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}
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}
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return true;
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}
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bool Util::GetCurrentDirectory(char* buffer, int bufSize)
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{
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#ifdef WIN32
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return ::GetCurrentDirectory(bufSize, buffer) != NULL;
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#else
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return getcwd(buffer, bufSize) != NULL;
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#endif
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}
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bool Util::SetCurrentDirectory(const char* dirFilename)
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{
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#ifdef WIN32
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return ::SetCurrentDirectory(dirFilename);
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#else
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return chdir(dirFilename) == 0;
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#endif
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}
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bool Util::DirEmpty(const char* dirFilename)
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{
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DirBrowser dir(dirFilename);
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while (const char* filename = dir.Next())
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{
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if (strcmp(filename, ".") && strcmp(filename, ".."))
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{
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return false;
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}
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}
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return true;
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}
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bool Util::LoadFileIntoBuffer(const char* fileName, char** buffer, int* bufferLength)
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{
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FILE* file = fopen(fileName, FOPEN_RB);
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if (!file)
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{
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return false;
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}
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// obtain file size.
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fseek(file , 0 , SEEK_END);
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int size = (int)ftell(file);
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rewind(file);
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// allocate memory to contain the whole file.
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*buffer = (char*) malloc(size + 1);
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if (!*buffer)
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{
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return false;
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}
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// copy the file into the buffer.
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fread(*buffer, 1, size, file);
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fclose(file);
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(*buffer)[size] = 0;
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*bufferLength = size + 1;
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return true;
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}
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bool Util::SaveBufferIntoFile(const char* fileName, const char* buffer, int bufLen)
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{
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FILE* file = fopen(fileName, FOPEN_WB);
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if (!file)
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{
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return false;
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}
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int writtenBytes = fwrite(buffer, 1, bufLen, file);
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fclose(file);
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return writtenBytes == bufLen;
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}
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bool Util::CreateSparseFile(const char* filename, int64 size, char* errBuf, int bufSize)
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{
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*errBuf = '\0';
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bool ok = false;
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#ifdef WIN32
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HANDLE hFile = CreateFile(filename, GENERIC_WRITE, FILE_SHARE_READ, 0, CREATE_NEW, 0, NULL);
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if (hFile == INVALID_HANDLE_VALUE)
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{
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GetLastErrorMessage(errBuf, sizeof(bufSize));
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return false;
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}
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// first try to create sparse file (supported only on NTFS partitions),
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// it may fail but that's OK.
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DWORD dwBytesReturned;
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DeviceIoControl(hFile, FSCTL_SET_SPARSE, NULL, 0, NULL, 0, &dwBytesReturned, NULL);
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LARGE_INTEGER size64;
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size64.QuadPart = size;
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SetFilePointerEx(hFile, size64, NULL, FILE_END);
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SetEndOfFile(hFile);
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CloseHandle(hFile);
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ok = true;
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#else
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// create file
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FILE* file = fopen(filename, FOPEN_AB);
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if (!file)
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{
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GetLastErrorMessage(errBuf, sizeof(bufSize));
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return false;
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}
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fclose(file);
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// there are no reliable function to expand file on POSIX, so we must try different approaches,
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// starting with the fastest one and hoping it will work
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// 1) set file size using function "truncate" (this is fast, if it works)
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truncate(filename, size);
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// check if it worked
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ok = FileSize(filename) == size;
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if (!ok)
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{
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// 2) truncate did not work, expanding the file by writing to it (that's slow)
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truncate(filename, 0);
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file = fopen(filename, FOPEN_AB);
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if (!file)
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{
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GetLastErrorMessage(errBuf, sizeof(bufSize));
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return false;
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}
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char c = '0';
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fwrite(&c, 1, size, file);
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fclose(file);
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ok = FileSize(filename) == size;
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}
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#endif
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return ok;
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}
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bool Util::TruncateFile(const char* filename, int size)
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{
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bool ok = false;
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#ifdef WIN32
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FILE *file = fopen(filename, FOPEN_RBP);
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fseek(file, size, SEEK_SET);
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ok = SetEndOfFile((HANDLE)_get_osfhandle(_fileno(file))) != 0;
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fclose(file);
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#else
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ok = truncate(filename, size) == 0;
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#endif
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return ok;
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}
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//replace bad chars in filename
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void Util::MakeValidFilename(char* filename, char cReplaceChar, bool allowSlashes)
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{
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const char* replaceChars = allowSlashes ? ":*?\"><\n\r\t" : "\\/:*?\"><\n\r\t";
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char* p = filename;
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while (*p)
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{
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if (strchr(replaceChars, *p))
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{
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*p = cReplaceChar;
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}
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if (allowSlashes && *p == ALT_PATH_SEPARATOR)
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{
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*p = PATH_SEPARATOR;
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}
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p++;
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}
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|
|
// remove trailing dots and spaces. they are not allowed in directory names on windows,
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|
// but we remove them on posix also, in a case the directory is accessed from windows via samba.
|
|
for (int len = strlen(filename); len > 0 && (filename[len - 1] == '.' || filename[len - 1] == ' '); len--)
|
|
{
|
|
filename[len - 1] = '\0';
|
|
}
|
|
}
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|
|
// returns TRUE if the name was changed by adding duplicate-suffix
|
|
bool Util::MakeUniqueFilename(char* destBufFilename, int destBufSize, const char* destDir, const char* basename)
|
|
{
|
|
snprintf(destBufFilename, destBufSize, "%s%c%s", destDir, (int)PATH_SEPARATOR, basename);
|
|
destBufFilename[destBufSize-1] = '\0';
|
|
|
|
int dupeNumber = 0;
|
|
while (FileExists(destBufFilename))
|
|
{
|
|
dupeNumber++;
|
|
|
|
const char* extension = strrchr(basename, '.');
|
|
if (extension && extension != basename)
|
|
{
|
|
char filenameWithoutExt[1024];
|
|
strncpy(filenameWithoutExt, basename, 1024);
|
|
int end = extension - basename;
|
|
filenameWithoutExt[end < 1024 ? end : 1024-1] = '\0';
|
|
|
|
if (!strcasecmp(extension, ".par2"))
|
|
{
|
|
char* volExtension = strrchr(filenameWithoutExt, '.');
|
|
if (volExtension && volExtension != filenameWithoutExt && !strncasecmp(volExtension, ".vol", 4))
|
|
{
|
|
*volExtension = '\0';
|
|
extension = basename + (volExtension - filenameWithoutExt);
|
|
}
|
|
}
|
|
|
|
snprintf(destBufFilename, destBufSize, "%s%c%s.duplicate%d%s", destDir, (int)PATH_SEPARATOR, filenameWithoutExt, dupeNumber, extension);
|
|
}
|
|
else
|
|
{
|
|
snprintf(destBufFilename, destBufSize, "%s%c%s.duplicate%d", destDir, (int)PATH_SEPARATOR, basename, dupeNumber);
|
|
}
|
|
|
|
destBufFilename[destBufSize-1] = '\0';
|
|
}
|
|
|
|
return dupeNumber > 0;
|
|
}
|
|
|
|
int64 Util::JoinInt64(uint32 Hi, uint32 Lo)
|
|
{
|
|
return (((int64)Hi) << 32) + Lo;
|
|
}
|
|
|
|
void Util::SplitInt64(int64 Int64, uint32* Hi, uint32* Lo)
|
|
{
|
|
*Hi = (uint32)(Int64 >> 32);
|
|
*Lo = (uint32)(Int64 & 0xFFFFFFFF);
|
|
}
|
|
|
|
/* Base64 decryption is taken from
|
|
* Article "BASE 64 Decoding and Encoding Class 2003" by Jan Raddatz
|
|
* http://www.codeguru.com/cpp/cpp/algorithms/article.php/c5099/
|
|
*/
|
|
|
|
const static char BASE64_DEALPHABET [128] =
|
|
{
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 0 - 9
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 10 - 19
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 20 - 29
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, // 30 - 39
|
|
0, 0, 0, 62, 0, 0, 0, 63, 52, 53, // 40 - 49
|
|
54, 55, 56, 57, 58, 59, 60, 61, 0, 0, // 50 - 59
|
|
0, 61, 0, 0, 0, 0, 1, 2, 3, 4, // 60 - 69
|
|
5, 6, 7, 8, 9, 10, 11, 12, 13, 14, // 70 - 79
|
|
15, 16, 17, 18, 19, 20, 21, 22, 23, 24, // 80 - 89
|
|
25, 0, 0, 0, 0, 0, 0, 26, 27, 28, // 90 - 99
|
|
29, 30, 31, 32, 33, 34, 35, 36, 37, 38, // 100 - 109
|
|
39, 40, 41, 42, 43, 44, 45, 46, 47, 48, // 110 - 119
|
|
49, 50, 51, 0, 0, 0, 0, 0 // 120 - 127
|
|
};
|
|
|
|
uint32 DecodeByteQuartet(char* inputBuffer, char* outputBuffer)
|
|
{
|
|
uint32 buffer = 0;
|
|
|
|
if (inputBuffer[3] == '=')
|
|
{
|
|
if (inputBuffer[2] == '=')
|
|
{
|
|
buffer = (buffer | BASE64_DEALPHABET [(int)inputBuffer[0]]) << 6;
|
|
buffer = (buffer | BASE64_DEALPHABET [(int)inputBuffer[1]]) << 6;
|
|
buffer = buffer << 14;
|
|
|
|
outputBuffer [0] = (char)(buffer >> 24);
|
|
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
buffer = (buffer | BASE64_DEALPHABET [(int)inputBuffer[0]]) << 6;
|
|
buffer = (buffer | BASE64_DEALPHABET [(int)inputBuffer[1]]) << 6;
|
|
buffer = (buffer | BASE64_DEALPHABET [(int)inputBuffer[2]]) << 6;
|
|
buffer = buffer << 8;
|
|
|
|
outputBuffer [0] = (char)(buffer >> 24);
|
|
outputBuffer [1] = (char)(buffer >> 16);
|
|
|
|
return 2;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
buffer = (buffer | BASE64_DEALPHABET [(int)inputBuffer[0]]) << 6;
|
|
buffer = (buffer | BASE64_DEALPHABET [(int)inputBuffer[1]]) << 6;
|
|
buffer = (buffer | BASE64_DEALPHABET [(int)inputBuffer[2]]) << 6;
|
|
buffer = (buffer | BASE64_DEALPHABET [(int)inputBuffer[3]]) << 6;
|
|
buffer = buffer << 2;
|
|
|
|
outputBuffer [0] = (char)(buffer >> 24);
|
|
outputBuffer [1] = (char)(buffer >> 16);
|
|
outputBuffer [2] = (char)(buffer >> 8);
|
|
|
|
return 3;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
bool Util::MoveFile(const char* srcFilename, const char* dstFilename)
|
|
{
|
|
bool ok = rename(srcFilename, dstFilename) == 0;
|
|
|
|
#ifndef WIN32
|
|
if (!ok && errno == EXDEV)
|
|
{
|
|
ok = CopyFile(srcFilename, dstFilename) && remove(srcFilename) == 0;
|
|
}
|
|
#endif
|
|
|
|
return ok;
|
|
}
|
|
|
|
bool Util::CopyFile(const char* srcFilename, const char* dstFilename)
|
|
{
|
|
FILE* infile = fopen(srcFilename, FOPEN_RB);
|
|
if (!infile)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
FILE* outfile = fopen(dstFilename, FOPEN_WBP);
|
|
if (!outfile)
|
|
{
|
|
fclose(infile);
|
|
return false;
|
|
}
|
|
|
|
static const int BUFFER_SIZE = 1024 * 50;
|
|
char* buffer = (char*)malloc(BUFFER_SIZE);
|
|
|
|
int cnt = BUFFER_SIZE;
|
|
while (cnt == BUFFER_SIZE)
|
|
{
|
|
cnt = (int)fread(buffer, 1, BUFFER_SIZE, infile);
|
|
fwrite(buffer, 1, cnt, outfile);
|
|
}
|
|
|
|
fclose(infile);
|
|
fclose(outfile);
|
|
free(buffer);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool Util::FileExists(const char* filename)
|
|
{
|
|
#ifdef WIN32
|
|
// we use a native windows call because c-lib function "stat" fails on windows if file date is invalid
|
|
WIN32_FIND_DATA findData;
|
|
HANDLE handle = FindFirstFile(filename, &findData);
|
|
if (handle != INVALID_HANDLE_VALUE)
|
|
{
|
|
bool exists = (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0;
|
|
FindClose(handle);
|
|
return exists;
|
|
}
|
|
return false;
|
|
#else
|
|
struct stat buffer;
|
|
bool exists = !stat(filename, &buffer) && S_ISREG(buffer.st_mode);
|
|
return exists;
|
|
#endif
|
|
}
|
|
|
|
bool Util::FileExists(const char* path, const char* filenameWithoutPath)
|
|
{
|
|
char fullFilename[1024];
|
|
snprintf(fullFilename, 1024, "%s%c%s", path, (int)PATH_SEPARATOR, filenameWithoutPath);
|
|
fullFilename[1024-1] = '\0';
|
|
bool exists = Util::FileExists(fullFilename);
|
|
return exists;
|
|
}
|
|
|
|
bool Util::DirectoryExists(const char* dirFilename)
|
|
{
|
|
#ifdef WIN32
|
|
// we use a native windows call because c-lib function "stat" fails on windows if file date is invalid
|
|
WIN32_FIND_DATA findData;
|
|
HANDLE handle = FindFirstFile(dirFilename, &findData);
|
|
if (handle != INVALID_HANDLE_VALUE)
|
|
{
|
|
bool exists = (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0;
|
|
FindClose(handle);
|
|
return exists;
|
|
}
|
|
return false;
|
|
#else
|
|
struct stat buffer;
|
|
bool exists = !stat(dirFilename, &buffer) && S_ISDIR(buffer.st_mode);
|
|
return exists;
|
|
#endif
|
|
}
|
|
|
|
bool Util::CreateDirectory(const char* dirFilename)
|
|
{
|
|
mkdir(dirFilename, S_DIRMODE);
|
|
return DirectoryExists(dirFilename);
|
|
}
|
|
|
|
bool Util::RemoveDirectory(const char* dirFilename)
|
|
{
|
|
#ifdef WIN32
|
|
return _rmdir(dirFilename) == 0;
|
|
#else
|
|
return remove(dirFilename) == 0;
|
|
#endif
|
|
}
|
|
|
|
bool Util::DeleteDirectoryWithContent(const char* dirFilename, char* errBuf, int bufSize)
|
|
{
|
|
*errBuf = '\0';
|
|
char sysErrStr[256];
|
|
|
|
bool del = false;
|
|
bool ok = true;
|
|
|
|
DirBrowser dir(dirFilename);
|
|
while (const char* filename = dir.Next())
|
|
{
|
|
char fullFilename[1024];
|
|
snprintf(fullFilename, 1024, "%s%c%s", dirFilename, PATH_SEPARATOR, filename);
|
|
fullFilename[1024-1] = '\0';
|
|
|
|
if (strcmp(filename, ".") && strcmp(filename, ".."))
|
|
{
|
|
if (Util::DirectoryExists(fullFilename))
|
|
{
|
|
del = DeleteDirectoryWithContent(fullFilename, sysErrStr, sizeof(sysErrStr));
|
|
}
|
|
else
|
|
{
|
|
del = remove(fullFilename) == 0;
|
|
}
|
|
ok &= del;
|
|
if (!del && !*errBuf)
|
|
{
|
|
snprintf(errBuf, bufSize, "could not delete %s: %s", fullFilename, GetLastErrorMessage(sysErrStr, sizeof(sysErrStr)));
|
|
}
|
|
}
|
|
}
|
|
|
|
del = RemoveDirectory(dirFilename);
|
|
ok &= del;
|
|
if (!del && !*errBuf)
|
|
{
|
|
GetLastErrorMessage(errBuf, bufSize);
|
|
}
|
|
return ok;
|
|
}
|
|
|
|
int64 Util::FileSize(const char* filename)
|
|
{
|
|
#ifdef WIN32
|
|
struct _stat32i64 buffer;
|
|
_stat32i64(filename, &buffer);
|
|
#else
|
|
struct stat buffer;
|
|
stat(filename, &buffer);
|
|
#endif
|
|
return buffer.st_size;
|
|
}
|
|
|
|
int64 Util::FreeDiskSize(const char* path)
|
|
{
|
|
#ifdef WIN32
|
|
ULARGE_INTEGER free, dummy;
|
|
if (GetDiskFreeSpaceEx(path, &free, &dummy, &dummy))
|
|
{
|
|
return free.QuadPart;
|
|
}
|
|
#else
|
|
struct statvfs diskdata;
|
|
if (!statvfs(path, &diskdata))
|
|
{
|
|
return (int64)diskdata.f_frsize * (int64)diskdata.f_bavail;
|
|
}
|
|
#endif
|
|
return -1;
|
|
}
|
|
|
|
bool Util::RenameBak(const char* filename, const char* bakPart, bool removeOldExtension, char* newNameBuf, int newNameBufSize)
|
|
{
|
|
char changedFilename[1024];
|
|
|
|
if (removeOldExtension)
|
|
{
|
|
strncpy(changedFilename, filename, 1024);
|
|
changedFilename[1024-1] = '\0';
|
|
char* extension = strrchr(changedFilename, '.');
|
|
if (extension)
|
|
{
|
|
*extension = '\0';
|
|
}
|
|
}
|
|
|
|
char bakname[1024];
|
|
snprintf(bakname, 1024, "%s.%s", removeOldExtension ? changedFilename : filename, bakPart);
|
|
bakname[1024-1] = '\0';
|
|
|
|
int i = 2;
|
|
struct stat buffer;
|
|
while (!stat(bakname, &buffer))
|
|
{
|
|
snprintf(bakname, 1024, "%s.%i.%s", removeOldExtension ? changedFilename : filename, i++, bakPart);
|
|
bakname[1024-1] = '\0';
|
|
}
|
|
|
|
if (newNameBuf)
|
|
{
|
|
strncpy(newNameBuf, bakname, newNameBufSize);
|
|
}
|
|
|
|
bool ok = !rename(filename, bakname);
|
|
return ok;
|
|
}
|
|
|
|
#ifndef WIN32
|
|
bool Util::ExpandHomePath(const char* filename, char* buffer, int bufSize)
|
|
{
|
|
if (filename && (filename[0] == '~') && (filename[1] == '/'))
|
|
{
|
|
// expand home-dir
|
|
|
|
char* home = getenv("HOME");
|
|
if (!home)
|
|
{
|
|
struct passwd *pw = getpwuid(getuid());
|
|
if (pw)
|
|
{
|
|
home = pw->pw_dir;
|
|
}
|
|
}
|
|
|
|
if (!home)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (home[strlen(home)-1] == '/')
|
|
{
|
|
snprintf(buffer, bufSize, "%s%s", home, filename + 2);
|
|
}
|
|
else
|
|
{
|
|
snprintf(buffer, bufSize, "%s/%s", home, filename + 2);
|
|
}
|
|
buffer[bufSize - 1] = '\0';
|
|
}
|
|
else
|
|
{
|
|
strncpy(buffer, filename ? filename : "", bufSize);
|
|
buffer[bufSize - 1] = '\0';
|
|
}
|
|
|
|
return true;
|
|
}
|
|
#endif
|
|
|
|
void Util::ExpandFileName(const char* filename, char* buffer, int bufSize)
|
|
{
|
|
#ifdef WIN32
|
|
_fullpath(buffer, filename, bufSize);
|
|
#else
|
|
if (filename[0] != '\0' && filename[0] != '/')
|
|
{
|
|
char curDir[MAX_PATH + 1];
|
|
getcwd(curDir, sizeof(curDir) - 1); // 1 char reserved for adding backslash
|
|
int offset = 0;
|
|
if (filename[0] == '.' && filename[1] == '/')
|
|
{
|
|
offset += 2;
|
|
}
|
|
snprintf(buffer, bufSize, "%s/%s", curDir, filename + offset);
|
|
}
|
|
else
|
|
{
|
|
strncpy(buffer, filename, bufSize);
|
|
buffer[bufSize - 1] = '\0';
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void Util::GetExeFileName(const char* argv0, char* buffer, int bufSize)
|
|
{
|
|
#ifdef WIN32
|
|
GetModuleFileName(NULL, buffer, bufSize);
|
|
#else
|
|
// Linux
|
|
int r = readlink("/proc/self/exe", buffer, bufSize-1);
|
|
if (r > 0)
|
|
{
|
|
buffer[r] = '\0';
|
|
return;
|
|
}
|
|
// FreeBSD
|
|
r = readlink("/proc/curproc/file", buffer, bufSize-1);
|
|
if (r > 0)
|
|
{
|
|
buffer[r] = '\0';
|
|
return;
|
|
}
|
|
|
|
ExpandFileName(argv0, buffer, bufSize);
|
|
#endif
|
|
}
|
|
|
|
char* Util::FormatSize(char * buffer, int bufLen, int64 fileSize)
|
|
{
|
|
if (fileSize > 1024 * 1024 * 1000)
|
|
{
|
|
snprintf(buffer, bufLen, "%.2f GB", (float)((float)fileSize / 1024 / 1024 / 1024));
|
|
}
|
|
else if (fileSize > 1024 * 1000)
|
|
{
|
|
snprintf(buffer, bufLen, "%.2f MB", (float)((float)fileSize / 1024 / 1024));
|
|
}
|
|
else if (fileSize > 1000)
|
|
{
|
|
snprintf(buffer, bufLen, "%.2f KB", (float)((float)fileSize / 1024));
|
|
}
|
|
else if (fileSize == 0)
|
|
{
|
|
strncpy(buffer, "0 MB", bufLen);
|
|
}
|
|
else
|
|
{
|
|
snprintf(buffer, bufLen, "%i B", (int)fileSize);
|
|
}
|
|
buffer[bufLen - 1] = '\0';
|
|
return buffer;
|
|
}
|
|
|
|
char* Util::FormatSpeed(char* buffer, int bufSize, int bytesPerSecond)
|
|
{
|
|
if (bytesPerSecond >= 100 * 1024 * 1024)
|
|
{
|
|
snprintf(buffer, bufSize, "%i MB/s", bytesPerSecond / 1024 / 1024);
|
|
}
|
|
else if (bytesPerSecond >= 10 * 1024 * 1024)
|
|
{
|
|
snprintf(buffer, bufSize, "%0.1f MB/s", (float)bytesPerSecond / 1024.0 / 1024.0);
|
|
}
|
|
else if (bytesPerSecond >= 1024 * 1000)
|
|
{
|
|
snprintf(buffer, bufSize, "%0.2f MB/s", (float)bytesPerSecond / 1024.0 / 1024.0);
|
|
}
|
|
else
|
|
{
|
|
snprintf(buffer, bufSize, "%i KB/s", bytesPerSecond / 1024);
|
|
}
|
|
|
|
buffer[bufSize - 1] = '\0';
|
|
return buffer;
|
|
}
|
|
|
|
bool Util::SameFilename(const char* filename1, const char* filename2)
|
|
{
|
|
#ifdef WIN32
|
|
return strcasecmp(filename1, filename2) == 0;
|
|
#else
|
|
return strcmp(filename1, filename2) == 0;
|
|
#endif
|
|
}
|
|
|
|
bool Util::MatchFileExt(const char* filename, const char* extensionList, const char* listSeparator)
|
|
{
|
|
int filenameLen = strlen(filename);
|
|
|
|
Tokenizer tok(extensionList, listSeparator);
|
|
while (const char* ext = tok.Next())
|
|
{
|
|
int extLen = strlen(ext);
|
|
if (filenameLen >= extLen && !strcasecmp(ext, filename + filenameLen - extLen))
|
|
{
|
|
return true;
|
|
}
|
|
if (strchr(ext, '*') || strchr(ext, '?'))
|
|
{
|
|
WildMask mask(ext);
|
|
if (mask.Match(filename))
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
#ifndef WIN32
|
|
void Util::FixExecPermission(const char* filename)
|
|
{
|
|
struct stat buffer;
|
|
bool ok = !stat(filename, &buffer);
|
|
if (ok)
|
|
{
|
|
buffer.st_mode = buffer.st_mode | S_IXUSR | S_IXGRP | S_IXOTH;
|
|
chmod(filename, buffer.st_mode);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
char* Util::GetLastErrorMessage(char* buffer, int bufLen)
|
|
{
|
|
buffer[0] = '\0';
|
|
strerror_r(errno, buffer, bufLen);
|
|
buffer[bufLen-1] = '\0';
|
|
return buffer;
|
|
}
|
|
|
|
void Util::Init()
|
|
{
|
|
#ifndef WIN32
|
|
if ((strlen(code_revision()) > 0) && strstr(VERSION, "testing"))
|
|
{
|
|
snprintf(VersionRevisionBuf, sizeof(VersionRevisionBuf), "%s-r%s", VERSION, code_revision());
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
snprintf(VersionRevisionBuf, sizeof(VersionRevisionBuf), "%s", VERSION);
|
|
}
|
|
|
|
// init static vars there
|
|
GetCurrentTicks();
|
|
}
|
|
|
|
bool Util::SplitCommandLine(const char* commandLine, char*** argv)
|
|
{
|
|
int argCount = 0;
|
|
char buf[1024];
|
|
char* pszArgList[100];
|
|
uint32 len = 0;
|
|
bool escaping = false;
|
|
bool space = true;
|
|
for (const char* p = commandLine; ; p++)
|
|
{
|
|
if (*p)
|
|
{
|
|
const char c = *p;
|
|
if (escaping)
|
|
{
|
|
if (c == '\'')
|
|
{
|
|
if (p[1] == '\'' && len < sizeof(buf) - 1)
|
|
{
|
|
buf[len++] = c;
|
|
p++;
|
|
}
|
|
else
|
|
{
|
|
escaping = false;
|
|
space = true;
|
|
}
|
|
}
|
|
else if (len < sizeof(buf) - 1)
|
|
{
|
|
buf[len++] = c;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (c == ' ')
|
|
{
|
|
space = true;
|
|
}
|
|
else if (c == '\'' && space)
|
|
{
|
|
escaping = true;
|
|
space = false;
|
|
}
|
|
else if (len < sizeof(buf) - 1)
|
|
{
|
|
buf[len++] = c;
|
|
space = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((space || !*p) && len > 0 && argCount < 100)
|
|
{
|
|
//add token
|
|
buf[len] = '\0';
|
|
if (argv)
|
|
{
|
|
pszArgList[argCount] = strdup(buf);
|
|
}
|
|
(argCount)++;
|
|
len = 0;
|
|
}
|
|
|
|
if (!*p)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (argv)
|
|
{
|
|
pszArgList[argCount] = NULL;
|
|
*argv = (char**)malloc((argCount + 1) * sizeof(char*));
|
|
memcpy(*argv, pszArgList, sizeof(char*) * (argCount + 1));
|
|
}
|
|
|
|
return argCount > 0;
|
|
}
|
|
|
|
void Util::TrimRight(char* str)
|
|
{
|
|
char* end = str + strlen(str) - 1;
|
|
while (end >= str && (*end == '\n' || *end == '\r' || *end == ' ' || *end == '\t'))
|
|
{
|
|
*end = '\0';
|
|
end--;
|
|
}
|
|
}
|
|
|
|
char* Util::Trim(char* str)
|
|
{
|
|
TrimRight(str);
|
|
while (*str == '\n' || *str == '\r' || *str == ' ' || *str == '\t')
|
|
{
|
|
str++;
|
|
}
|
|
return str;
|
|
}
|
|
|
|
char* Util::ReduceStr(char* str, const char* from, const char* to)
|
|
{
|
|
int lenFrom = strlen(from);
|
|
int lenTo = strlen(to);
|
|
// assert(iLenTo < iLenFrom);
|
|
|
|
while (char* p = strstr(str, from))
|
|
{
|
|
const char* src = to;
|
|
while ((*p++ = *src++)) ;
|
|
|
|
src = --p - lenTo + lenFrom;
|
|
while ((*p++ = *src++)) ;
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
/* Calculate Hash using Bob Jenkins (1996) algorithm
|
|
* http://burtleburtle.net/bob/c/lookup2.c
|
|
*/
|
|
|
|
#define hashsize(n) ((uint32)1<<(n))
|
|
#define hashmask(n) (hashsize(n)-1)
|
|
|
|
#define mix(a,b,c) \
|
|
{ \
|
|
a -= b; a -= c; a ^= (c>>13); \
|
|
b -= c; b -= a; b ^= (a<<8); \
|
|
c -= a; c -= b; c ^= (b>>13); \
|
|
a -= b; a -= c; a ^= (c>>12); \
|
|
b -= c; b -= a; b ^= (a<<16); \
|
|
c -= a; c -= b; c ^= (b>>5); \
|
|
a -= b; a -= c; a ^= (c>>3); \
|
|
b -= c; b -= a; b ^= (a<<10); \
|
|
c -= a; c -= b; c ^= (b>>15); \
|
|
}
|
|
|
|
uint32 hash(register uint8 *k, register uint32 length, register uint32 initval)
|
|
// register uint8 *k; /* the key */
|
|
// register uint32 length; /* the length of the key */
|
|
// register uint32 initval; /* the previous hash, or an arbitrary value */
|
|
{
|
|
register uint32 a,b,c,len;
|
|
|
|
/* Set up the internal state */
|
|
len = length;
|
|
a = b = 0x9e3779b9; /* the golden ratio; an arbitrary value */
|
|
c = initval; /* the previous hash value */
|
|
|
|
/*---------------------------------------- handle most of the key */
|
|
while (len >= 12)
|
|
{
|
|
a += (k[0] +((uint32)k[1]<<8) +((uint32)k[2]<<16) +((uint32)k[3]<<24));
|
|
b += (k[4] +((uint32)k[5]<<8) +((uint32)k[6]<<16) +((uint32)k[7]<<24));
|
|
c += (k[8] +((uint32)k[9]<<8) +((uint32)k[10]<<16)+((uint32)k[11]<<24));
|
|
mix(a,b,c);
|
|
k += 12; len -= 12;
|
|
}
|
|
|
|
/*------------------------------------- handle the last 11 bytes */
|
|
c += length;
|
|
switch(len) /* all the case statements fall through */
|
|
{
|
|
case 11: c+=((uint32)k[10]<<24);
|
|
case 10: c+=((uint32)k[9]<<16);
|
|
case 9 : c+=((uint32)k[8]<<8);
|
|
/* the first byte of c is reserved for the length */
|
|
case 8 : b+=((uint32)k[7]<<24);
|
|
case 7 : b+=((uint32)k[6]<<16);
|
|
case 6 : b+=((uint32)k[5]<<8);
|
|
case 5 : b+=k[4];
|
|
case 4 : a+=((uint32)k[3]<<24);
|
|
case 3 : a+=((uint32)k[2]<<16);
|
|
case 2 : a+=((uint32)k[1]<<8);
|
|
case 1 : a+=k[0];
|
|
/* case 0: nothing left to add */
|
|
}
|
|
mix(a,b,c);
|
|
/*-------------------------------------------- report the result */
|
|
return c;
|
|
}
|
|
|
|
uint32 Util::HashBJ96(const char* buffer, int bufSize, uint32 initValue)
|
|
{
|
|
return (uint32)hash((uint8*)buffer, (uint32)bufSize, (uint32)initValue);
|
|
}
|
|
|
|
#ifdef WIN32
|
|
bool Util::RegReadStr(HKEY keyRoot, const char* keyName, const char* valueName, char* buffer, int* bufLen)
|
|
{
|
|
HKEY subKey;
|
|
if (!RegOpenKeyEx(keyRoot, keyName, 0, KEY_READ, &subKey))
|
|
{
|
|
DWORD retBytes = *bufLen;
|
|
LONG ret = RegQueryValueEx(subKey, valueName, NULL, NULL, (LPBYTE)buffer, &retBytes);
|
|
*bufLen = retBytes;
|
|
RegCloseKey(subKey);
|
|
return ret == 0;
|
|
}
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
/* From boost */
|
|
|
|
inline int is_leap(int year)
|
|
{
|
|
if(year % 400 == 0)
|
|
return 1;
|
|
if(year % 100 == 0)
|
|
return 0;
|
|
if(year % 4 == 0)
|
|
return 1;
|
|
return 0;
|
|
}
|
|
inline int days_from_0(int year)
|
|
{
|
|
year--;
|
|
return 365 * year + (year / 400) - (year/100) + (year / 4);
|
|
}
|
|
inline int days_from_1970(int year)
|
|
{
|
|
static const int days_from_0_to_1970 = 719162; // days_from_0(1970);
|
|
return days_from_0(year) - days_from_0_to_1970;
|
|
}
|
|
inline int days_from_1jan(int year,int month,int day)
|
|
{
|
|
static const int days[2][12] =
|
|
{
|
|
{ 0,31,59,90,120,151,181,212,243,273,304,334},
|
|
{ 0,31,60,91,121,152,182,213,244,274,305,335}
|
|
};
|
|
return days[is_leap(year)][month-1] + day - 1;
|
|
}
|
|
|
|
inline time_t internal_timegm(tm const *t)
|
|
{
|
|
int year = t->tm_year + 1900;
|
|
int month = t->tm_mon;
|
|
if(month > 11)
|
|
{
|
|
year += month/12;
|
|
month %= 12;
|
|
}
|
|
else if(month < 0)
|
|
{
|
|
int years_diff = (-month + 11)/12;
|
|
year -= years_diff;
|
|
month+=12 * years_diff;
|
|
}
|
|
month++;
|
|
int day = t->tm_mday;
|
|
int day_of_year = days_from_1jan(year,month,day);
|
|
int days_since_epoch = days_from_1970(year) + day_of_year;
|
|
|
|
time_t seconds_in_day = 3600 * 24;
|
|
time_t result = seconds_in_day * days_since_epoch + 3600 * t->tm_hour + 60 * t->tm_min + t->tm_sec;
|
|
|
|
return result;
|
|
}
|
|
|
|
time_t Util::Timegm(tm const *t)
|
|
{
|
|
return internal_timegm(t);
|
|
}
|
|
|
|
// prevent PC from going to sleep
|
|
void Util::SetStandByMode(bool standBy)
|
|
{
|
|
#ifdef WIN32
|
|
SetThreadExecutionState((standBy ? 0 : ES_SYSTEM_REQUIRED) | ES_CONTINUOUS);
|
|
#endif
|
|
}
|
|
|
|
static uint32 crc32_tab[] = {
|
|
0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
|
|
0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
|
|
0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
|
|
0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
|
|
0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
|
|
0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
|
|
0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
|
|
0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
|
|
0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
|
|
0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
|
|
0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
|
|
0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
|
|
0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
|
|
0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
|
|
0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
|
|
0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
|
|
0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
|
|
0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
|
|
0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
|
|
0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
|
|
0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
|
|
0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
|
|
0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
|
|
0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
|
|
0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
|
|
0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
|
|
0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
|
|
0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
|
|
0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
|
|
0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
|
|
0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
|
|
0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
|
|
0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
|
|
0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
|
|
0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
|
|
0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
|
|
0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
|
|
0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
|
|
0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
|
|
0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
|
|
0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
|
|
0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
|
|
0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
|
|
};
|
|
|
|
/* This is a modified version of chksum_crc() from
|
|
* crc32.c (http://www.koders.com/c/fid699AFE0A656F0022C9D6B9D1743E697B69CE5815.aspx)
|
|
* (c) 1999,2000 Krzysztof Dabrowski
|
|
* (c) 1999,2000 ElysiuM deeZine
|
|
*
|
|
* chksum_crc() -- to a given block, this one calculates the
|
|
* crc32-checksum until the length is
|
|
* reached. the crc32-checksum will be
|
|
* the result.
|
|
*/
|
|
uint32 Util::Crc32m(uint32 startCrc, uchar *block, uint32 length)
|
|
{
|
|
register uint32 crc = startCrc;
|
|
for (uint32 i = 0; i < length; i++)
|
|
{
|
|
crc = ((crc >> 8) & 0x00FFFFFF) ^ crc32_tab[(crc ^ *block++) & 0xFF];
|
|
}
|
|
return crc;
|
|
}
|
|
|
|
uint32 Util::Crc32(uchar *block, uint32 length)
|
|
{
|
|
return Util::Crc32m(0xFFFFFFFF, block, length) ^ 0xFFFFFFFF;
|
|
}
|
|
|
|
/* From zlib/crc32.c (http://www.zlib.net/)
|
|
* Copyright (C) 1995-2006, 2010, 2011, 2012 Mark Adler
|
|
*/
|
|
|
|
#define GF2_DIM 32 /* dimension of GF(2) vectors (length of CRC) */
|
|
|
|
uint32 gf2_matrix_times(uint32 *mat, uint32 vec)
|
|
{
|
|
uint32 sum;
|
|
|
|
sum = 0;
|
|
while (vec) {
|
|
if (vec & 1)
|
|
sum ^= *mat;
|
|
vec >>= 1;
|
|
mat++;
|
|
}
|
|
return sum;
|
|
}
|
|
|
|
void gf2_matrix_square(uint32 *square, uint32 *mat)
|
|
{
|
|
int n;
|
|
|
|
for (n = 0; n < GF2_DIM; n++)
|
|
square[n] = gf2_matrix_times(mat, mat[n]);
|
|
}
|
|
|
|
uint32 Util::Crc32Combine(uint32 crc1, uint32 crc2, uint32 len2)
|
|
{
|
|
int n;
|
|
uint32 row;
|
|
uint32 even[GF2_DIM]; /* even-power-of-two zeros operator */
|
|
uint32 odd[GF2_DIM]; /* odd-power-of-two zeros operator */
|
|
|
|
/* degenerate case (also disallow negative lengths) */
|
|
if (len2 <= 0)
|
|
return crc1;
|
|
|
|
/* put operator for one zero bit in odd */
|
|
odd[0] = 0xedb88320UL; /* CRC-32 polynomial */
|
|
row = 1;
|
|
for (n = 1; n < GF2_DIM; n++) {
|
|
odd[n] = row;
|
|
row <<= 1;
|
|
}
|
|
|
|
/* put operator for two zero bits in even */
|
|
gf2_matrix_square(even, odd);
|
|
|
|
/* put operator for four zero bits in odd */
|
|
gf2_matrix_square(odd, even);
|
|
|
|
/* apply len2 zeros to crc1 (first square will put the operator for one
|
|
zero byte, eight zero bits, in even) */
|
|
do {
|
|
/* apply zeros operator for this bit of len2 */
|
|
gf2_matrix_square(even, odd);
|
|
if (len2 & 1)
|
|
crc1 = gf2_matrix_times(even, crc1);
|
|
len2 >>= 1;
|
|
|
|
/* if no more bits set, then done */
|
|
if (len2 == 0)
|
|
break;
|
|
|
|
/* another iteration of the loop with odd and even swapped */
|
|
gf2_matrix_square(odd, even);
|
|
if (len2 & 1)
|
|
crc1 = gf2_matrix_times(odd, crc1);
|
|
len2 >>= 1;
|
|
|
|
/* if no more bits set, then done */
|
|
} while (len2 != 0);
|
|
|
|
/* return combined crc */
|
|
crc1 ^= crc2;
|
|
|
|
return crc1;
|
|
}
|
|
|
|
int Util::NumberOfCpuCores()
|
|
{
|
|
#ifdef WIN32
|
|
SYSTEM_INFO sysinfo;
|
|
GetSystemInfo(&sysinfo);
|
|
return sysinfo.dwNumberOfProcessors;
|
|
#elif HAVE_SC_NPROCESSORS_ONLN
|
|
return sysconf(_SC_NPROCESSORS_ONLN);
|
|
#endif
|
|
return -1;
|
|
}
|
|
|
|
bool Util::FlushFileBuffers(int fileDescriptor, char* errBuf, int bufSize)
|
|
{
|
|
#ifdef WIN32
|
|
BOOL ok = ::FlushFileBuffers((HANDLE)_get_osfhandle(fileDescriptor));
|
|
if (!ok)
|
|
{
|
|
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,
|
|
NULL, GetLastError(), MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
|
|
errBuf, bufSize, NULL);
|
|
}
|
|
return ok;
|
|
#else
|
|
#ifdef HAVE_FULLFSYNC
|
|
int ret = fcntl(fileDescriptor, F_FULLFSYNC) == -1 ? 1 : 0;
|
|
#elif HAVE_FDATASYNC
|
|
int ret = fdatasync(fileDescriptor);
|
|
#else
|
|
int ret = fsync(fileDescriptor);
|
|
#endif
|
|
if (ret != 0)
|
|
{
|
|
GetLastErrorMessage(errBuf, bufSize);
|
|
}
|
|
return ret == 0;
|
|
#endif
|
|
}
|
|
|
|
bool Util::FlushDirBuffers(const char* filename, char* errBuf, int bufSize)
|
|
{
|
|
char parentPath[1024];
|
|
strncpy(parentPath, filename, 1024);
|
|
parentPath[1024-1] = '\0';
|
|
const char* fileMode = FOPEN_RBP;
|
|
|
|
#ifndef WIN32
|
|
char* p = (char*)strrchr(parentPath, PATH_SEPARATOR);
|
|
if (p)
|
|
{
|
|
*p = '\0';
|
|
}
|
|
fileMode = FOPEN_RB;
|
|
#endif
|
|
|
|
FILE* file = fopen(parentPath, fileMode);
|
|
if (!file)
|
|
{
|
|
GetLastErrorMessage(errBuf, bufSize);
|
|
return false;
|
|
}
|
|
bool ok = FlushFileBuffers(fileno(file), errBuf, bufSize);
|
|
fclose(file);
|
|
return ok;
|
|
}
|
|
|
|
int64 Util::GetCurrentTicks()
|
|
{
|
|
#ifdef WIN32
|
|
static int64 hz=0, hzo=0;
|
|
if (!hz)
|
|
{
|
|
QueryPerformanceFrequency((LARGE_INTEGER*)&hz);
|
|
QueryPerformanceCounter((LARGE_INTEGER*)&hzo);
|
|
}
|
|
int64 t;
|
|
QueryPerformanceCounter((LARGE_INTEGER*)&t);
|
|
return ((t-hzo)*1000000)/hz;
|
|
#else
|
|
timeval t;
|
|
gettimeofday(&t, NULL);
|
|
return (int64)(t.tv_sec) * 1000000ll + (int64)(t.tv_usec);
|
|
#endif
|
|
}
|
|
|
|
uint32 WebUtil::DecodeBase64(char* inputBuffer, int inputBufferLength, char* outputBuffer)
|
|
{
|
|
uint32 InputBufferIndex = 0;
|
|
uint32 OutputBufferIndex = 0;
|
|
uint32 InputBufferLength = inputBufferLength > 0 ? inputBufferLength : strlen(inputBuffer);
|
|
|
|
char ByteQuartet [4];
|
|
int i = 0;
|
|
while (InputBufferIndex < InputBufferLength)
|
|
{
|
|
// Ignore all characters except the ones in BASE64_ALPHABET
|
|
if ((inputBuffer [InputBufferIndex] >= 48 && inputBuffer [InputBufferIndex] <= 57) ||
|
|
(inputBuffer [InputBufferIndex] >= 65 && inputBuffer [InputBufferIndex] <= 90) ||
|
|
(inputBuffer [InputBufferIndex] >= 97 && inputBuffer [InputBufferIndex] <= 122) ||
|
|
inputBuffer [InputBufferIndex] == '+' ||
|
|
inputBuffer [InputBufferIndex] == '/' ||
|
|
inputBuffer [InputBufferIndex] == '=')
|
|
{
|
|
ByteQuartet [i] = inputBuffer [InputBufferIndex];
|
|
i++;
|
|
}
|
|
|
|
InputBufferIndex++;
|
|
|
|
if (i == 4) {
|
|
OutputBufferIndex += DecodeByteQuartet(ByteQuartet, outputBuffer + OutputBufferIndex);
|
|
i = 0;
|
|
}
|
|
}
|
|
|
|
// OutputBufferIndex gives us the next position of the next decoded character
|
|
// inside our output buffer and thus represents the number of decoded characters
|
|
// in our buffer.
|
|
return OutputBufferIndex;
|
|
}
|
|
|
|
/* END - Base64
|
|
*/
|
|
|
|
char* WebUtil::XmlEncode(const char* raw)
|
|
{
|
|
// calculate the required outputstring-size based on number of xml-entities and their sizes
|
|
int reqSize = strlen(raw);
|
|
for (const char* p = raw; *p; p++)
|
|
{
|
|
uchar ch = *p;
|
|
switch (ch)
|
|
{
|
|
case '>':
|
|
case '<':
|
|
reqSize += 4;
|
|
break;
|
|
case '&':
|
|
reqSize += 5;
|
|
break;
|
|
case '\'':
|
|
case '\"':
|
|
reqSize += 6;
|
|
break;
|
|
default:
|
|
if (ch < 0x20 || ch >= 0x80)
|
|
{
|
|
reqSize += 10;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
char* result = (char*)malloc(reqSize + 1);
|
|
|
|
// copy string
|
|
char* output = result;
|
|
for (const char* p = raw; ; p++)
|
|
{
|
|
uchar ch = *p;
|
|
switch (ch)
|
|
{
|
|
case '\0':
|
|
goto BreakLoop;
|
|
case '<':
|
|
strcpy(output, "<");
|
|
output += 4;
|
|
break;
|
|
case '>':
|
|
strcpy(output, ">");
|
|
output += 4;
|
|
break;
|
|
case '&':
|
|
strcpy(output, "&");
|
|
output += 5;
|
|
break;
|
|
case '\'':
|
|
strcpy(output, "'");
|
|
output += 6;
|
|
break;
|
|
case '\"':
|
|
strcpy(output, """);
|
|
output += 6;
|
|
break;
|
|
default:
|
|
if (ch < 0x20 || ch > 0x80)
|
|
{
|
|
uint32 cp = ch;
|
|
|
|
// decode utf8
|
|
if ((cp >> 5) == 0x6 && (p[1] & 0xc0) == 0x80)
|
|
{
|
|
// 2 bytes
|
|
if (!(ch = *++p)) goto BreakLoop; // read next char
|
|
cp = ((cp << 6) & 0x7ff) + (ch & 0x3f);
|
|
}
|
|
else if ((cp >> 4) == 0xe && (p[1] & 0xc0) == 0x80)
|
|
{
|
|
// 3 bytes
|
|
if (!(ch = *++p)) goto BreakLoop; // read next char
|
|
cp = ((cp << 12) & 0xffff) + ((ch << 6) & 0xfff);
|
|
if (!(ch = *++p)) goto BreakLoop; // read next char
|
|
cp += ch & 0x3f;
|
|
}
|
|
else if ((cp >> 3) == 0x1e && (p[1] & 0xc0) == 0x80)
|
|
{
|
|
// 4 bytes
|
|
if (!(ch = *++p)) goto BreakLoop; // read next char
|
|
cp = ((cp << 18) & 0x1fffff) + ((ch << 12) & 0x3ffff);
|
|
if (!(ch = *++p)) goto BreakLoop; // read next char
|
|
cp += (ch << 6) & 0xfff;
|
|
if (!(ch = *++p)) goto BreakLoop; // read next char
|
|
cp += ch & 0x3f;
|
|
}
|
|
|
|
// accept only valid XML 1.0 characters
|
|
if (cp == 0x9 || cp == 0xA || cp == 0xD ||
|
|
(0x20 <= cp && cp <= 0xD7FF) ||
|
|
(0xE000 <= cp && cp <= 0xFFFD) ||
|
|
(0x10000 <= cp && cp <= 0x10FFFF))
|
|
{
|
|
sprintf(output, "&#x%06x;", cp);
|
|
output += 10;
|
|
}
|
|
else
|
|
{
|
|
// replace invalid characters with dots
|
|
sprintf(output, ".");
|
|
output += 1;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
*output++ = ch;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
BreakLoop:
|
|
|
|
*output = '\0';
|
|
|
|
return result;
|
|
}
|
|
|
|
void WebUtil::XmlDecode(char* raw)
|
|
{
|
|
char* output = raw;
|
|
for (char* p = raw;;)
|
|
{
|
|
switch (*p)
|
|
{
|
|
case '\0':
|
|
goto BreakLoop;
|
|
case '&':
|
|
{
|
|
p++;
|
|
if (!strncmp(p, "lt;", 3))
|
|
{
|
|
*output++ = '<';
|
|
p += 3;
|
|
}
|
|
else if (!strncmp(p, "gt;", 3))
|
|
{
|
|
*output++ = '>';
|
|
p += 3;
|
|
}
|
|
else if (!strncmp(p, "amp;", 4))
|
|
{
|
|
*output++ = '&';
|
|
p += 4;
|
|
}
|
|
else if (!strncmp(p, "apos;", 5))
|
|
{
|
|
*output++ = '\'';
|
|
p += 5;
|
|
}
|
|
else if (!strncmp(p, "quot;", 5))
|
|
{
|
|
*output++ = '\"';
|
|
p += 5;
|
|
}
|
|
else if (*p == '#')
|
|
{
|
|
int code = atoi((p++)+1);
|
|
while (strchr("0123456789;", *p)) p++;
|
|
*output++ = (char)code;
|
|
}
|
|
else
|
|
{
|
|
// unknown entity, keep as is
|
|
*output++ = *(p-1);
|
|
*output++ = *p++;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
*output++ = *p++;
|
|
break;
|
|
}
|
|
}
|
|
BreakLoop:
|
|
|
|
*output = '\0';
|
|
}
|
|
|
|
const char* WebUtil::XmlFindTag(const char* xml, const char* tag, int* valueLength)
|
|
{
|
|
char openTag[100];
|
|
snprintf(openTag, 100, "<%s>", tag);
|
|
openTag[100-1] = '\0';
|
|
|
|
char closeTag[100];
|
|
snprintf(closeTag, 100, "</%s>", tag);
|
|
closeTag[100-1] = '\0';
|
|
|
|
char openCloseTag[100];
|
|
snprintf(openCloseTag, 100, "<%s/>", tag);
|
|
openCloseTag[100-1] = '\0';
|
|
|
|
const char* pstart = strstr(xml, openTag);
|
|
const char* pstartend = strstr(xml, openCloseTag);
|
|
if (!pstart && !pstartend) return NULL;
|
|
|
|
if (pstartend && (!pstart || pstartend < pstart))
|
|
{
|
|
*valueLength = 0;
|
|
return pstartend;
|
|
}
|
|
|
|
const char* pend = strstr(pstart, closeTag);
|
|
if (!pend) return NULL;
|
|
|
|
int tagLen = strlen(openTag);
|
|
*valueLength = (int)(pend - pstart - tagLen);
|
|
|
|
return pstart + tagLen;
|
|
}
|
|
|
|
bool WebUtil::XmlParseTagValue(const char* xml, const char* tag, char* valueBuf, int valueBufSize, const char** tagEnd)
|
|
{
|
|
int valueLen = 0;
|
|
const char* value = XmlFindTag(xml, tag, &valueLen);
|
|
if (!value)
|
|
{
|
|
return false;
|
|
}
|
|
int len = valueLen < valueBufSize ? valueLen : valueBufSize - 1;
|
|
strncpy(valueBuf, value, len);
|
|
valueBuf[len] = '\0';
|
|
if (tagEnd)
|
|
{
|
|
*tagEnd = value + valueLen;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void WebUtil::XmlStripTags(char* xml)
|
|
{
|
|
while (char *start = strchr(xml, '<'))
|
|
{
|
|
char *end = strchr(start, '>');
|
|
if (!end)
|
|
{
|
|
break;
|
|
}
|
|
memset(start, ' ', end - start + 1);
|
|
xml = end + 1;
|
|
}
|
|
}
|
|
|
|
void WebUtil::XmlRemoveEntities(char* raw)
|
|
{
|
|
char* output = raw;
|
|
for (char* p = raw;;)
|
|
{
|
|
switch (*p)
|
|
{
|
|
case '\0':
|
|
goto BreakLoop;
|
|
case '&':
|
|
{
|
|
char* p2 = p+1;
|
|
while (isalpha(*p2) || strchr("0123456789#", *p2)) p2++;
|
|
if (*p2 == ';')
|
|
{
|
|
*output++ = ' ';
|
|
p = p2+1;
|
|
}
|
|
else
|
|
{
|
|
*output++ = *p++;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
*output++ = *p++;
|
|
break;
|
|
}
|
|
}
|
|
BreakLoop:
|
|
|
|
*output = '\0';
|
|
}
|
|
|
|
char* WebUtil::JsonEncode(const char* raw)
|
|
{
|
|
// calculate the required outputstring-size based on number of escape-entities and their sizes
|
|
int reqSize = strlen(raw);
|
|
for (const char* p = raw; *p; p++)
|
|
{
|
|
uchar ch = *p;
|
|
switch (ch)
|
|
{
|
|
case '\"':
|
|
case '\\':
|
|
case '/':
|
|
case '\b':
|
|
case '\f':
|
|
case '\n':
|
|
case '\r':
|
|
case '\t':
|
|
reqSize++;
|
|
break;
|
|
default:
|
|
if (ch < 0x20 || ch >= 0x80)
|
|
{
|
|
reqSize += 6;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
char* result = (char*)malloc(reqSize + 1);
|
|
|
|
// copy string
|
|
char* output = result;
|
|
for (const char* p = raw; ; p++)
|
|
{
|
|
uchar ch = *p;
|
|
switch (ch)
|
|
{
|
|
case '\0':
|
|
goto BreakLoop;
|
|
case '"':
|
|
strcpy(output, "\\\"");
|
|
output += 2;
|
|
break;
|
|
case '\\':
|
|
strcpy(output, "\\\\");
|
|
output += 2;
|
|
break;
|
|
case '/':
|
|
strcpy(output, "\\/");
|
|
output += 2;
|
|
break;
|
|
case '\b':
|
|
strcpy(output, "\\b");
|
|
output += 2;
|
|
break;
|
|
case '\f':
|
|
strcpy(output, "\\f");
|
|
output += 2;
|
|
break;
|
|
case '\n':
|
|
strcpy(output, "\\n");
|
|
output += 2;
|
|
break;
|
|
case '\r':
|
|
strcpy(output, "\\r");
|
|
output += 2;
|
|
break;
|
|
case '\t':
|
|
strcpy(output, "\\t");
|
|
output += 2;
|
|
break;
|
|
default:
|
|
if (ch < 0x20 || ch > 0x80)
|
|
{
|
|
uint32 cp = ch;
|
|
|
|
// decode utf8
|
|
if ((cp >> 5) == 0x6 && (p[1] & 0xc0) == 0x80)
|
|
{
|
|
// 2 bytes
|
|
if (!(ch = *++p)) goto BreakLoop; // read next char
|
|
cp = ((cp << 6) & 0x7ff) + (ch & 0x3f);
|
|
}
|
|
else if ((cp >> 4) == 0xe && (p[1] & 0xc0) == 0x80)
|
|
{
|
|
// 3 bytes
|
|
if (!(ch = *++p)) goto BreakLoop; // read next char
|
|
cp = ((cp << 12) & 0xffff) + ((ch << 6) & 0xfff);
|
|
if (!(ch = *++p)) goto BreakLoop; // read next char
|
|
cp += ch & 0x3f;
|
|
}
|
|
else if ((cp >> 3) == 0x1e && (p[1] & 0xc0) == 0x80)
|
|
{
|
|
// 4 bytes
|
|
if (!(ch = *++p)) goto BreakLoop; // read next char
|
|
cp = ((cp << 18) & 0x1fffff) + ((ch << 12) & 0x3ffff);
|
|
if (!(ch = *++p)) goto BreakLoop; // read next char
|
|
cp += (ch << 6) & 0xfff;
|
|
if (!(ch = *++p)) goto BreakLoop; // read next char
|
|
cp += ch & 0x3f;
|
|
}
|
|
|
|
// we support only Unicode range U+0000-U+FFFF
|
|
sprintf(output, "\\u%04x", cp <= 0xFFFF ? cp : '.');
|
|
output += 6;
|
|
}
|
|
else
|
|
{
|
|
*output++ = ch;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
BreakLoop:
|
|
|
|
*output = '\0';
|
|
|
|
return result;
|
|
}
|
|
|
|
void WebUtil::JsonDecode(char* raw)
|
|
{
|
|
char* output = raw;
|
|
for (char* p = raw;;)
|
|
{
|
|
switch (*p)
|
|
{
|
|
case '\0':
|
|
goto BreakLoop;
|
|
case '\\':
|
|
{
|
|
p++;
|
|
switch (*p)
|
|
{
|
|
case '"':
|
|
*output++ = '"';
|
|
break;
|
|
case '\\':
|
|
*output++ = '\\';
|
|
break;
|
|
case '/':
|
|
*output++ = '/';
|
|
break;
|
|
case 'b':
|
|
*output++ = '\b';
|
|
break;
|
|
case 'f':
|
|
*output++ = '\f';
|
|
break;
|
|
case 'n':
|
|
*output++ = '\n';
|
|
break;
|
|
case 'r':
|
|
*output++ = '\r';
|
|
break;
|
|
case 't':
|
|
*output++ = '\t';
|
|
break;
|
|
case 'u':
|
|
*output++ = (char)strtol(p + 1, NULL, 16);
|
|
p += 4;
|
|
break;
|
|
default:
|
|
// unknown escape-sequence, should never occur
|
|
*output++ = *p;
|
|
break;
|
|
}
|
|
p++;
|
|
break;
|
|
}
|
|
default:
|
|
*output++ = *p++;
|
|
break;
|
|
}
|
|
}
|
|
BreakLoop:
|
|
|
|
*output = '\0';
|
|
}
|
|
|
|
const char* WebUtil::JsonFindField(const char* jsonText, const char* fieldName, int* valueLength)
|
|
{
|
|
char openTag[100];
|
|
snprintf(openTag, 100, "\"%s\"", fieldName);
|
|
openTag[100-1] = '\0';
|
|
|
|
const char* pstart = strstr(jsonText, openTag);
|
|
if (!pstart) return NULL;
|
|
|
|
pstart += strlen(openTag);
|
|
|
|
return JsonNextValue(pstart, valueLength);
|
|
}
|
|
|
|
const char* WebUtil::JsonNextValue(const char* jsonText, int* valueLength)
|
|
{
|
|
const char* pstart = jsonText;
|
|
|
|
while (*pstart && strchr(" ,[{:\r\n\t\f", *pstart)) pstart++;
|
|
if (!*pstart) return NULL;
|
|
|
|
const char* pend = pstart;
|
|
|
|
char ch = *pend;
|
|
bool str = ch == '"';
|
|
if (str)
|
|
{
|
|
ch = *++pend;
|
|
}
|
|
while (ch)
|
|
{
|
|
if (ch == '\\')
|
|
{
|
|
if (!*++pend || !*++pend) return NULL;
|
|
ch = *pend;
|
|
}
|
|
if (str && ch == '"')
|
|
{
|
|
pend++;
|
|
break;
|
|
}
|
|
else if (!str && strchr(" ,]}\r\n\t\f", ch))
|
|
{
|
|
break;
|
|
}
|
|
ch = *++pend;
|
|
}
|
|
|
|
*valueLength = (int)(pend - pstart);
|
|
return pstart;
|
|
}
|
|
|
|
void WebUtil::HttpUnquote(char* raw)
|
|
{
|
|
if (*raw != '"')
|
|
{
|
|
return;
|
|
}
|
|
|
|
char *output = raw;
|
|
for (char *p = raw+1;;)
|
|
{
|
|
switch (*p)
|
|
{
|
|
case '\0':
|
|
case '"':
|
|
goto BreakLoop;
|
|
case '\\':
|
|
p++;
|
|
*output++ = *p;
|
|
break;
|
|
default:
|
|
*output++ = *p++;
|
|
break;
|
|
}
|
|
}
|
|
BreakLoop:
|
|
|
|
*output = '\0';
|
|
}
|
|
|
|
void WebUtil::UrlDecode(char* raw)
|
|
{
|
|
char* output = raw;
|
|
for (char* p = raw;;)
|
|
{
|
|
switch (*p)
|
|
{
|
|
case '\0':
|
|
goto BreakLoop;
|
|
case '%':
|
|
{
|
|
p++;
|
|
uchar c1 = *p++;
|
|
uchar c2 = *p++;
|
|
c1 = '0' <= c1 && c1 <= '9' ? c1 - '0' : 'A' <= c1 && c1 <= 'F' ? c1 - 'A' + 10 :
|
|
'a' <= c1 && c1 <= 'f' ? c1 - 'a' + 10 : 0;
|
|
c2 = '0' <= c2 && c2 <= '9' ? c2 - '0' : 'A' <= c2 && c2 <= 'F' ? c2 - 'A' + 10 :
|
|
'a' <= c2 && c2 <= 'f' ? c2 - 'a' + 10 : 0;
|
|
uchar ch = (c1 << 4) + c2;
|
|
*output++ = (char)ch;
|
|
break;
|
|
}
|
|
default:
|
|
*output++ = *p++;
|
|
break;
|
|
}
|
|
}
|
|
BreakLoop:
|
|
|
|
*output = '\0';
|
|
}
|
|
|
|
char* WebUtil::UrlEncode(const char* raw)
|
|
{
|
|
// calculate the required outputstring-size based on number of spaces
|
|
int reqSize = strlen(raw);
|
|
for (const char* p = raw; *p; p++)
|
|
{
|
|
if (*p == ' ')
|
|
{
|
|
reqSize += 3; // length of "%20"
|
|
}
|
|
}
|
|
|
|
char* result = (char*)malloc(reqSize + 1);
|
|
|
|
// copy string
|
|
char* output = result;
|
|
for (const char* p = raw; ; p++)
|
|
{
|
|
uchar ch = *p;
|
|
switch (ch)
|
|
{
|
|
case '\0':
|
|
goto BreakLoop;
|
|
case ' ':
|
|
strcpy(output, "%20");
|
|
output += 3;
|
|
break;
|
|
default:
|
|
*output++ = ch;
|
|
}
|
|
}
|
|
BreakLoop:
|
|
|
|
*output = '\0';
|
|
|
|
return result;
|
|
}
|
|
|
|
#ifdef WIN32
|
|
bool WebUtil::Utf8ToAnsi(char* buffer, int bufLen)
|
|
{
|
|
WCHAR* wstr = (WCHAR*)malloc(bufLen * 2);
|
|
int errcode = MultiByteToWideChar(CP_UTF8, 0, buffer, -1, wstr, bufLen);
|
|
if (errcode > 0)
|
|
{
|
|
errcode = WideCharToMultiByte(CP_ACP, 0, wstr, -1, buffer, bufLen, "_", NULL);
|
|
}
|
|
free(wstr);
|
|
return errcode > 0;
|
|
}
|
|
|
|
bool WebUtil::AnsiToUtf8(char* buffer, int bufLen)
|
|
{
|
|
WCHAR* wstr = (WCHAR*)malloc(bufLen * 2);
|
|
int errcode = MultiByteToWideChar(CP_ACP, 0, buffer, -1, wstr, bufLen);
|
|
if (errcode > 0)
|
|
{
|
|
errcode = WideCharToMultiByte(CP_UTF8, 0, wstr, -1, buffer, bufLen, NULL, NULL);
|
|
}
|
|
free(wstr);
|
|
return errcode > 0;
|
|
}
|
|
#endif
|
|
|
|
char* WebUtil::Latin1ToUtf8(const char* str)
|
|
{
|
|
char *res = (char*)malloc(strlen(str) * 2 + 1);
|
|
const uchar *in = (const uchar*)str;
|
|
uchar *out = (uchar*)res;
|
|
while (*in)
|
|
{
|
|
if (*in < 128)
|
|
{
|
|
*out++ = *in++;
|
|
}
|
|
else
|
|
{
|
|
*out++ = 0xc2 + (*in > 0xbf);
|
|
*out++ = (*in++ & 0x3f) + 0x80;
|
|
}
|
|
}
|
|
*out = '\0';
|
|
return res;
|
|
}
|
|
|
|
/*
|
|
The date/time can be formatted according to RFC822 in different ways. Examples:
|
|
Wed, 26 Jun 2013 01:02:54 -0600
|
|
Wed, 26 Jun 2013 01:02:54 GMT
|
|
26 Jun 2013 01:02:54 -0600
|
|
26 Jun 2013 01:02 -0600
|
|
26 Jun 2013 01:02 A
|
|
This function however supports only the first format!
|
|
*/
|
|
time_t WebUtil::ParseRfc822DateTime(const char* dateTimeStr)
|
|
{
|
|
char month[4];
|
|
int day, year, hours, minutes, seconds, zonehours, zoneminutes;
|
|
int r = sscanf(dateTimeStr, "%*s %d %3s %d %d:%d:%d %3d %2d", &day, &month[0], &year, &hours, &minutes, &seconds, &zonehours, &zoneminutes);
|
|
if (r != 8)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
int mon = 0;
|
|
if (!strcasecmp(month, "Jan")) mon = 0;
|
|
else if (!strcasecmp(month, "Feb")) mon = 1;
|
|
else if (!strcasecmp(month, "Mar")) mon = 2;
|
|
else if (!strcasecmp(month, "Apr")) mon = 3;
|
|
else if (!strcasecmp(month, "May")) mon = 4;
|
|
else if (!strcasecmp(month, "Jun")) mon = 5;
|
|
else if (!strcasecmp(month, "Jul")) mon = 6;
|
|
else if (!strcasecmp(month, "Aug")) mon = 7;
|
|
else if (!strcasecmp(month, "Sep")) mon = 8;
|
|
else if (!strcasecmp(month, "Oct")) mon = 9;
|
|
else if (!strcasecmp(month, "Nov")) mon = 10;
|
|
else if (!strcasecmp(month, "Dec")) mon = 11;
|
|
|
|
struct tm rawtime;
|
|
memset(&rawtime, 0, sizeof(rawtime));
|
|
|
|
rawtime.tm_year = year - 1900;
|
|
rawtime.tm_mon = mon;
|
|
rawtime.tm_mday = day;
|
|
rawtime.tm_hour = hours;
|
|
rawtime.tm_min = minutes;
|
|
rawtime.tm_sec = seconds;
|
|
|
|
time_t enctime = Util::Timegm(&rawtime);
|
|
enctime -= (zonehours * 60 + (zonehours > 0 ? zoneminutes : -zoneminutes)) * 60;
|
|
|
|
return enctime;
|
|
}
|
|
|
|
|
|
URL::URL(const char* address)
|
|
{
|
|
m_address = NULL;
|
|
m_protocol = NULL;
|
|
m_user = NULL;
|
|
m_password = NULL;
|
|
m_host = NULL;
|
|
m_resource = NULL;
|
|
m_port = 0;
|
|
m_tls = false;
|
|
m_valid = false;
|
|
|
|
if (address)
|
|
{
|
|
m_address = strdup(address);
|
|
ParseUrl();
|
|
}
|
|
}
|
|
|
|
URL::~URL()
|
|
{
|
|
free(m_address);
|
|
free(m_protocol);
|
|
free(m_user);
|
|
free(m_password);
|
|
free(m_host);
|
|
free(m_resource);
|
|
}
|
|
|
|
void URL::ParseUrl()
|
|
{
|
|
// Examples:
|
|
// http://user:password@host:port/path/to/resource?param
|
|
// http://user@host:port/path/to/resource?param
|
|
// http://host:port/path/to/resource?param
|
|
// http://host/path/to/resource?param
|
|
// http://host
|
|
|
|
char* protEnd = strstr(m_address, "://");
|
|
if (!protEnd)
|
|
{
|
|
// Bad URL
|
|
return;
|
|
}
|
|
|
|
m_protocol = (char*)malloc(protEnd - m_address + 1);
|
|
strncpy(m_protocol, m_address, protEnd - m_address);
|
|
m_protocol[protEnd - m_address] = 0;
|
|
|
|
char* hostStart = protEnd + 3;
|
|
char* slash = strchr(hostStart, '/');
|
|
char* hostEnd = NULL;
|
|
char* amp = strchr(hostStart, '@');
|
|
|
|
if (amp && (!slash || amp < slash))
|
|
{
|
|
// parse user/password
|
|
char* userend = amp - 1;
|
|
char* pass = strchr(hostStart, ':');
|
|
if (pass && pass < amp)
|
|
{
|
|
int len = (int)(amp - pass - 1);
|
|
if (len > 0)
|
|
{
|
|
m_password = (char*)malloc(len + 1);
|
|
strncpy(m_password, pass + 1, len);
|
|
m_password[len] = 0;
|
|
}
|
|
userend = pass - 1;
|
|
}
|
|
|
|
int len = (int)(userend - hostStart + 1);
|
|
if (len > 0)
|
|
{
|
|
m_user = (char*)malloc(len + 1);
|
|
strncpy(m_user, hostStart, len);
|
|
m_user[len] = 0;
|
|
}
|
|
|
|
hostStart = amp + 1;
|
|
}
|
|
|
|
if (slash)
|
|
{
|
|
char* resEnd = m_address + strlen(m_address);
|
|
m_resource = (char*)malloc(resEnd - slash + 1 + 1);
|
|
strncpy(m_resource, slash, resEnd - slash + 1);
|
|
m_resource[resEnd - slash + 1] = 0;
|
|
|
|
hostEnd = slash - 1;
|
|
}
|
|
else
|
|
{
|
|
m_resource = strdup("/");
|
|
|
|
hostEnd = m_address + strlen(m_address);
|
|
}
|
|
|
|
char* colon = strchr(hostStart, ':');
|
|
if (colon && colon < hostEnd)
|
|
{
|
|
hostEnd = colon - 1;
|
|
m_port = atoi(colon + 1);
|
|
}
|
|
|
|
m_host = (char*)malloc(hostEnd - hostStart + 1 + 1);
|
|
strncpy(m_host, hostStart, hostEnd - hostStart + 1);
|
|
m_host[hostEnd - hostStart + 1] = 0;
|
|
|
|
m_valid = true;
|
|
}
|
|
|
|
RegEx::RegEx(const char *pattern, int matchBufSize)
|
|
{
|
|
#ifdef HAVE_REGEX_H
|
|
m_context = malloc(sizeof(regex_t));
|
|
m_valid = regcomp((regex_t*)m_context, pattern, REG_EXTENDED | REG_ICASE | (matchBufSize > 0 ? 0 : REG_NOSUB)) == 0;
|
|
m_matchBufSize = matchBufSize;
|
|
if (matchBufSize > 0)
|
|
{
|
|
m_matches = malloc(sizeof(regmatch_t) * matchBufSize);
|
|
}
|
|
else
|
|
{
|
|
m_matches = NULL;
|
|
}
|
|
#else
|
|
m_valid = false;
|
|
#endif
|
|
}
|
|
|
|
RegEx::~RegEx()
|
|
{
|
|
#ifdef HAVE_REGEX_H
|
|
regfree((regex_t*)m_context);
|
|
free(m_context);
|
|
free(m_matches);
|
|
#endif
|
|
}
|
|
|
|
bool RegEx::Match(const char *str)
|
|
{
|
|
#ifdef HAVE_REGEX_H
|
|
return m_valid ? regexec((regex_t*)m_context, str, m_matchBufSize, (regmatch_t*)m_matches, 0) == 0 : false;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
int RegEx::GetMatchCount()
|
|
{
|
|
#ifdef HAVE_REGEX_H
|
|
int count = 0;
|
|
if (m_matches)
|
|
{
|
|
regmatch_t* matches = (regmatch_t*)m_matches;
|
|
while (count < m_matchBufSize && matches[count].rm_so > -1)
|
|
{
|
|
count++;
|
|
}
|
|
}
|
|
return count;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
int RegEx::GetMatchStart(int index)
|
|
{
|
|
#ifdef HAVE_REGEX_H
|
|
regmatch_t* matches = (regmatch_t*)m_matches;
|
|
return matches[index].rm_so;
|
|
#else
|
|
return NULL;
|
|
#endif
|
|
}
|
|
|
|
int RegEx::GetMatchLen(int index)
|
|
{
|
|
#ifdef HAVE_REGEX_H
|
|
regmatch_t* matches = (regmatch_t*)m_matches;
|
|
return matches[index].rm_eo - matches[index].rm_so;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
|
|
WildMask::WildMask(const char *pattern, bool wantsPositions)
|
|
{
|
|
m_pattern = strdup(pattern);
|
|
m_wantsPositions = wantsPositions;
|
|
m_wildStart = NULL;
|
|
m_wildLen = NULL;
|
|
m_arrLen = 0;
|
|
}
|
|
|
|
WildMask::~WildMask()
|
|
{
|
|
free(m_pattern);
|
|
free(m_wildStart);
|
|
free(m_wildLen);
|
|
}
|
|
|
|
void WildMask::ExpandArray()
|
|
{
|
|
m_wildCount++;
|
|
if (m_wildCount > m_arrLen)
|
|
{
|
|
m_arrLen += 100;
|
|
m_wildStart = (int*)realloc(m_wildStart, sizeof(*m_wildStart) * m_arrLen);
|
|
m_wildLen = (int*)realloc(m_wildLen, sizeof(*m_wildLen) * m_arrLen);
|
|
}
|
|
}
|
|
|
|
// Based on code from http://bytes.com/topic/c/answers/212179-string-matching
|
|
// Extended to save positions of matches.
|
|
bool WildMask::Match(const char* text)
|
|
{
|
|
const char* pat = m_pattern;
|
|
const char* str = text;
|
|
const char *spos, *wpos;
|
|
m_wildCount = 0;
|
|
bool qmark = false;
|
|
bool star = false;
|
|
|
|
spos = wpos = str;
|
|
while (*str && *pat != '*')
|
|
{
|
|
if (m_wantsPositions && (*pat == '?' || *pat == '#'))
|
|
{
|
|
if (!qmark)
|
|
{
|
|
ExpandArray();
|
|
m_wildStart[m_wildCount-1] = str - text;
|
|
m_wildLen[m_wildCount-1] = 0;
|
|
qmark = true;
|
|
}
|
|
}
|
|
else if (m_wantsPositions && qmark)
|
|
{
|
|
m_wildLen[m_wildCount-1] = str - (text + m_wildStart[m_wildCount-1]);
|
|
qmark = false;
|
|
}
|
|
|
|
if (!(tolower(*pat) == tolower(*str) || *pat == '?' ||
|
|
(*pat == '#' && strchr("0123456789", *str))))
|
|
{
|
|
return false;
|
|
}
|
|
str++;
|
|
pat++;
|
|
}
|
|
|
|
if (m_wantsPositions && qmark)
|
|
{
|
|
m_wildLen[m_wildCount-1] = str - (text + m_wildStart[m_wildCount-1]);
|
|
qmark = false;
|
|
}
|
|
|
|
while (*str)
|
|
{
|
|
if (*pat == '*')
|
|
{
|
|
if (m_wantsPositions && qmark)
|
|
{
|
|
m_wildLen[m_wildCount-1] = str - (text + m_wildStart[m_wildCount-1]);
|
|
qmark = false;
|
|
}
|
|
if (m_wantsPositions && !star)
|
|
{
|
|
ExpandArray();
|
|
m_wildStart[m_wildCount-1] = str - text;
|
|
m_wildLen[m_wildCount-1] = 0;
|
|
star = true;
|
|
}
|
|
|
|
if (*++pat == '\0')
|
|
{
|
|
if (m_wantsPositions && star)
|
|
{
|
|
m_wildLen[m_wildCount-1] = strlen(str);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
wpos = pat;
|
|
spos = str + 1;
|
|
}
|
|
else if (*pat == '?' || (*pat == '#' && strchr("0123456789", *str)))
|
|
{
|
|
if (m_wantsPositions && !qmark)
|
|
{
|
|
ExpandArray();
|
|
m_wildStart[m_wildCount-1] = str - text;
|
|
m_wildLen[m_wildCount-1] = 0;
|
|
qmark = true;
|
|
}
|
|
|
|
pat++;
|
|
str++;
|
|
}
|
|
else if (tolower(*pat) == tolower(*str))
|
|
{
|
|
if (m_wantsPositions && qmark)
|
|
{
|
|
m_wildLen[m_wildCount-1] = str - (text + m_wildStart[m_wildCount-1]);
|
|
qmark = false;
|
|
}
|
|
else if (m_wantsPositions && star)
|
|
{
|
|
m_wildLen[m_wildCount-1] = str - (text + m_wildStart[m_wildCount-1]);
|
|
star = false;
|
|
}
|
|
|
|
pat++;
|
|
str++;
|
|
}
|
|
else
|
|
{
|
|
if (m_wantsPositions && qmark)
|
|
{
|
|
m_wildCount--;
|
|
qmark = false;
|
|
}
|
|
|
|
pat = wpos;
|
|
str = spos++;
|
|
star = true;
|
|
}
|
|
}
|
|
|
|
if (m_wantsPositions && qmark)
|
|
{
|
|
m_wildLen[m_wildCount-1] = str - (text + m_wildStart[m_wildCount-1]);
|
|
}
|
|
|
|
if (*pat == '*' && m_wantsPositions && !star)
|
|
{
|
|
ExpandArray();
|
|
m_wildStart[m_wildCount-1] = str - text;
|
|
m_wildLen[m_wildCount-1] = strlen(str);
|
|
}
|
|
|
|
while (*pat == '*')
|
|
{
|
|
pat++;
|
|
}
|
|
|
|
return *pat == '\0';
|
|
}
|
|
|
|
|
|
#ifndef DISABLE_GZIP
|
|
uint32 ZLib::GZipLen(int inputBufferLength)
|
|
{
|
|
z_stream zstr;
|
|
memset(&zstr, 0, sizeof(zstr));
|
|
return (uint32)deflateBound(&zstr, inputBufferLength);
|
|
}
|
|
|
|
uint32 ZLib::GZip(const void* inputBuffer, int inputBufferLength, void* outputBuffer, int outputBufferLength)
|
|
{
|
|
z_stream zstr;
|
|
zstr.zalloc = Z_NULL;
|
|
zstr.zfree = Z_NULL;
|
|
zstr.opaque = Z_NULL;
|
|
zstr.next_in = (Bytef*)inputBuffer;
|
|
zstr.avail_in = inputBufferLength;
|
|
zstr.next_out = (Bytef*)outputBuffer;
|
|
zstr.avail_out = outputBufferLength;
|
|
|
|
/* add 16 to MAX_WBITS to enforce gzip format */
|
|
if (Z_OK != deflateInit2(&zstr, Z_DEFAULT_COMPRESSION, Z_DEFLATED, MAX_WBITS + 16, MAX_MEM_LEVEL, Z_DEFAULT_STRATEGY))
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
uint32 total_out = 0;
|
|
if (deflate(&zstr, Z_FINISH) == Z_STREAM_END)
|
|
{
|
|
total_out = (uint32)zstr.total_out;
|
|
}
|
|
|
|
deflateEnd(&zstr);
|
|
|
|
return total_out;
|
|
}
|
|
|
|
GUnzipStream::GUnzipStream(int BufferSize)
|
|
{
|
|
m_bufferSize = BufferSize;
|
|
m_zStream = malloc(sizeof(z_stream));
|
|
m_outputBuffer = malloc(BufferSize);
|
|
|
|
memset(m_zStream, 0, sizeof(z_stream));
|
|
|
|
/* add 16 to MAX_WBITS to enforce gzip format */
|
|
int ret = inflateInit2(((z_stream*)m_zStream), MAX_WBITS + 16);
|
|
if (ret != Z_OK)
|
|
{
|
|
free(m_zStream);
|
|
m_zStream = NULL;
|
|
}
|
|
}
|
|
|
|
GUnzipStream::~GUnzipStream()
|
|
{
|
|
if (m_zStream)
|
|
{
|
|
inflateEnd(((z_stream*)m_zStream));
|
|
free(m_zStream);
|
|
}
|
|
free(m_outputBuffer);
|
|
}
|
|
|
|
void GUnzipStream::Write(const void *inputBuffer, int inputBufferLength)
|
|
{
|
|
((z_stream*)m_zStream)->next_in = (Bytef*)inputBuffer;
|
|
((z_stream*)m_zStream)->avail_in = inputBufferLength;
|
|
}
|
|
|
|
GUnzipStream::EStatus GUnzipStream::Read(const void **outputBuffer, int *outputBufferLength)
|
|
{
|
|
((z_stream*)m_zStream)->next_out = (Bytef*)m_outputBuffer;
|
|
((z_stream*)m_zStream)->avail_out = m_bufferSize;
|
|
|
|
*outputBufferLength = 0;
|
|
|
|
if (!m_zStream)
|
|
{
|
|
return zlError;
|
|
}
|
|
|
|
int ret = inflate(((z_stream*)m_zStream), Z_NO_FLUSH);
|
|
|
|
switch (ret)
|
|
{
|
|
case Z_STREAM_END:
|
|
case Z_OK:
|
|
*outputBufferLength = m_bufferSize - ((z_stream*)m_zStream)->avail_out;
|
|
*outputBuffer = m_outputBuffer;
|
|
return ret == Z_STREAM_END ? zlFinished : zlOK;
|
|
|
|
case Z_BUF_ERROR:
|
|
return zlOK;
|
|
}
|
|
|
|
return zlError;
|
|
}
|
|
|
|
#endif
|
|
|
|
Tokenizer::Tokenizer(const char* dataString, const char* separators)
|
|
{
|
|
// an optimization to avoid memory allocation for short data string (shorten than 1024 chars)
|
|
int len = strlen(dataString);
|
|
if (len < sizeof(m_defaultBuf) - 1)
|
|
{
|
|
strncpy(m_defaultBuf, dataString, sizeof(m_defaultBuf));
|
|
m_defaultBuf[1024- 1] = '\0';
|
|
m_dataString = m_defaultBuf;
|
|
m_inplaceBuf = true;
|
|
}
|
|
else
|
|
{
|
|
m_dataString = strdup(dataString);
|
|
m_inplaceBuf = false;
|
|
}
|
|
|
|
m_separators = separators;
|
|
m_savePtr = NULL;
|
|
m_working = false;
|
|
}
|
|
|
|
Tokenizer::Tokenizer(char* dataString, const char* separators, bool inplaceBuf)
|
|
{
|
|
m_dataString = inplaceBuf ? dataString : strdup(dataString);
|
|
m_separators = separators;
|
|
m_savePtr = NULL;
|
|
m_working = false;
|
|
m_inplaceBuf = inplaceBuf;
|
|
}
|
|
|
|
Tokenizer::~Tokenizer()
|
|
{
|
|
if (!m_inplaceBuf)
|
|
{
|
|
free(m_dataString);
|
|
}
|
|
}
|
|
|
|
char* Tokenizer::Next()
|
|
{
|
|
char* token = NULL;
|
|
while (!token || !*token)
|
|
{
|
|
token = strtok_r(m_working ? NULL : m_dataString, m_separators, &m_savePtr);
|
|
m_working = true;
|
|
if (!token)
|
|
{
|
|
return NULL;
|
|
}
|
|
token = Util::Trim(token);
|
|
}
|
|
return token;
|
|
}
|