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Util.cpp
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Util.cpp
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/*
* Copyright (C) 2005-2013 Team XBMC
* http://xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include "network/Network.h"
#include "threads/SystemClock.h"
#include "system.h"
#if defined(TARGET_DARWIN)
#include <sys/param.h>
#include <mach-o/dyld.h>
#endif
#if defined(TARGET_FREEBSD)
#include <sys/param.h>
#include <sys/sysctl.h>
#endif
#ifdef TARGET_POSIX
#include <sys/types.h>
#include <dirent.h>
#include <unistd.h>
#include <sys/wait.h>
#endif
#if defined(TARGET_ANDROID)
#include "android/bionic_supplement/bionic_supplement.h"
#endif
#include <stdlib.h>
#include "Application.h"
#include "Util.h"
#include "filesystem/PVRDirectory.h"
#include "filesystem/Directory.h"
#include "filesystem/StackDirectory.h"
#include "filesystem/MultiPathDirectory.h"
#include "filesystem/SpecialProtocol.h"
#include "filesystem/RSSDirectory.h"
#ifdef HAS_FILESYSTEM_RAR
#include "filesystem/RarManager.h"
#endif
#ifdef HAS_UPNP
#include "filesystem/UPnPDirectory.h"
#endif
#include "profiles/ProfilesManager.h"
#include "utils/RegExp.h"
#include "guilib/GraphicContext.h"
#include "guilib/TextureManager.h"
#include "utils/fstrcmp.h"
#include "storage/MediaManager.h"
#ifdef TARGET_WINDOWS
#include "utils/CharsetConverter.h"
#include "WIN32Util.h"
#endif
#if defined(TARGET_DARWIN)
#include "CompileInfo.h"
#include "osx/DarwinUtils.h"
#endif
#include "filesystem/File.h"
#include "settings/MediaSettings.h"
#include "settings/Settings.h"
#include "utils/StringUtils.h"
#include "settings/AdvancedSettings.h"
#ifdef HAS_IRSERVERSUITE
#endif
#include "guilib/LocalizeStrings.h"
#include "utils/md5.h"
#include "utils/TimeUtils.h"
#include "utils/URIUtils.h"
#include "utils/log.h"
#include "utils/Environment.h"
#include "cores/dvdplayer/DVDSubtitles/DVDSubtitleTagSami.h"
#include "cores/dvdplayer/DVDSubtitles/DVDSubtitleStream.h"
#include "URL.h"
#include "utils/LangCodeExpander.h"
#include "video/VideoInfoTag.h"
#ifdef HAVE_LIBCAP
#include <sys/capability.h>
#endif
#include "cores/dvdplayer/DVDDemuxers/DVDDemux.h"
using namespace std;
#ifdef HAS_DVD_DRIVE
using namespace MEDIA_DETECT;
#endif
using namespace XFILE;
using namespace PLAYLIST;
#if !defined(TARGET_WINDOWS)
unsigned int CUtil::s_randomSeed = time(NULL);
#endif
CUtil::CUtil(void)
{
}
CUtil::~CUtil(void)
{}
std::string CUtil::GetTitleFromPath(const std::string& strFileNameAndPath, bool bIsFolder /* = false */)
{
CURL pathToUrl(strFileNameAndPath);
return GetTitleFromPath(pathToUrl, bIsFolder);
}
std::string CUtil::GetTitleFromPath(const CURL& url, bool bIsFolder /* = false */)
{
// use above to get the filename
std::string path(url.Get());
URIUtils::RemoveSlashAtEnd(path);
std::string strFilename = URIUtils::GetFileName(path);
std::string strHostname = url.GetHostName();
#ifdef HAS_UPNP
// UPNP
if (url.IsProtocol("upnp"))
strFilename = CUPnPDirectory::GetFriendlyName(url);
#endif
if (url.IsProtocol("rss"))
{
CRSSDirectory dir;
CFileItemList items;
if(dir.GetDirectory(url, items) && !items.m_strTitle.empty())
return items.m_strTitle;
}
// Shoutcast
else if (url.IsProtocol("shout"))
{
const std::string strFileNameAndPath = url.Get();
const int genre = strFileNameAndPath.find_first_of('=');
if(genre <0)
strFilename = g_localizeStrings.Get(260);
else
strFilename = g_localizeStrings.Get(260) + " - " + strFileNameAndPath.substr(genre+1).c_str();
}
// Windows SMB Network (SMB)
else if (url.IsProtocol("smb") && strFilename.empty())
{
if (url.GetHostName().empty())
{
strFilename = g_localizeStrings.Get(20171);
}
else
{
strFilename = url.GetHostName();
}
}
// HDHomerun Devices
else if (url.IsProtocol("hdhomerun") && strFilename.empty())
strFilename = "HDHomerun Devices";
// Slingbox Devices
else if (url.IsProtocol("sling"))
strFilename = "Slingbox";
// SAP Streams
else if (url.IsProtocol("sap") && strFilename.empty())
strFilename = "SAP Streams";
// Root file views
else if (url.IsProtocol("sources"))
strFilename = g_localizeStrings.Get(744);
// Music Playlists
else if (URIUtils::PathStarts(path, "special://musicplaylists"))
strFilename = g_localizeStrings.Get(136);
// Video Playlists
else if (URIUtils::PathStarts(path, "special://videoplaylists"))
strFilename = g_localizeStrings.Get(136);
else if (URIUtils::HasParentInHostname(url) && strFilename.empty())
strFilename = URIUtils::GetFileName(url.GetHostName());
// now remove the extension if needed
if (!CSettings::Get().GetBool("filelists.showextensions") && !bIsFolder)
{
URIUtils::RemoveExtension(strFilename);
return strFilename;
}
// URLDecode since the original path may be an URL
strFilename = CURL::Decode(strFilename);
return strFilename;
}
void CUtil::CleanString(const std::string& strFileName,
std::string& strTitle,
std::string& strTitleAndYear,
std::string& strYear,
bool bRemoveExtension /* = false */,
bool bCleanChars /* = true */)
{
strTitleAndYear = strFileName;
if (strFileName == "..")
return;
const vector<string> ®exps = g_advancedSettings.m_videoCleanStringRegExps;
CRegExp reTags(true, CRegExp::autoUtf8);
CRegExp reYear(false, CRegExp::autoUtf8);
if (!reYear.RegComp(g_advancedSettings.m_videoCleanDateTimeRegExp))
{
CLog::Log(LOGERROR, "%s: Invalid datetime clean RegExp:'%s'", __FUNCTION__, g_advancedSettings.m_videoCleanDateTimeRegExp.c_str());
}
else
{
if (reYear.RegFind(strTitleAndYear.c_str()) >= 0)
{
strTitleAndYear = reYear.GetMatch(1);
strYear = reYear.GetMatch(2);
}
}
URIUtils::RemoveExtension(strTitleAndYear);
for (unsigned int i = 0; i < regexps.size(); i++)
{
if (!reTags.RegComp(regexps[i].c_str()))
{ // invalid regexp - complain in logs
CLog::Log(LOGERROR, "%s: Invalid string clean RegExp:'%s'", __FUNCTION__, regexps[i].c_str());
continue;
}
int j=0;
if ((j=reTags.RegFind(strTitleAndYear.c_str())) > 0)
strTitleAndYear = strTitleAndYear.substr(0, j);
}
// final cleanup - special characters used instead of spaces:
// all '_' tokens should be replaced by spaces
// if the file contains no spaces, all '.' tokens should be replaced by
// spaces - one possibility of a mistake here could be something like:
// "Dr..StrangeLove" - hopefully no one would have anything like this.
if (bCleanChars)
{
bool initialDots = true;
bool alreadyContainsSpace = (strTitleAndYear.find(' ') != std::string::npos);
for (size_t i = 0; i < strTitleAndYear.size(); i++)
{
char c = strTitleAndYear[i];
if (c != '.')
initialDots = false;
if ((c == '_') || ((!alreadyContainsSpace) && !initialDots && (c == '.')))
{
strTitleAndYear[i] = ' ';
}
}
}
StringUtils::Trim(strTitleAndYear);
strTitle = strTitleAndYear;
// append year
if (!strYear.empty())
strTitleAndYear = strTitle + " (" + strYear + ")";
// restore extension if needed
if (!bRemoveExtension)
strTitleAndYear += URIUtils::GetExtension(strFileName);
}
void CUtil::GetQualifiedFilename(const std::string &strBasePath, std::string &strFilename)
{
// Check if the filename is a fully qualified URL such as protocol://path/to/file
CURL plItemUrl(strFilename);
if (!plItemUrl.GetProtocol().empty())
return;
// If the filename starts "x:", "\\" or "/" it's already fully qualified so return
if (strFilename.size() > 1)
#ifdef TARGET_POSIX
if ( (strFilename[1] == ':') || (strFilename[0] == '/') )
#else
if ( strFilename[1] == ':' || (strFilename[0] == '\\' && strFilename[1] == '\\'))
#endif
return;
// add to base path and then clean
strFilename = URIUtils::AddFileToFolder(strBasePath, strFilename);
// get rid of any /./ or \.\ that happen to be there
StringUtils::Replace(strFilename, "\\.\\", "\\");
StringUtils::Replace(strFilename, "/./", "/");
// now find any "\\..\\" and remove them via GetParentPath
size_t pos;
while ((pos = strFilename.find("/../")) != std::string::npos)
{
std::string basePath = strFilename.substr(0, pos + 1);
strFilename.erase(0, pos + 4);
basePath = URIUtils::GetParentPath(basePath);
strFilename = URIUtils::AddFileToFolder(basePath, strFilename);
}
while ((pos = strFilename.find("\\..\\")) != std::string::npos)
{
std::string basePath = strFilename.substr(0, pos + 1);
strFilename.erase(0, pos + 4);
basePath = URIUtils::GetParentPath(basePath);
strFilename = URIUtils::AddFileToFolder(basePath, strFilename);
}
}
void CUtil::RunShortcut(const char* szShortcutPath)
{
}
void CUtil::GetHomePath(std::string& strPath, const std::string& strTarget)
{
if (strTarget.empty())
strPath = CEnvironment::getenv("KODI_HOME");
else
strPath = CEnvironment::getenv(strTarget);
#ifdef TARGET_WINDOWS
if (strPath.find("..") != std::string::npos)
{
//expand potential relative path to full path
std::wstring strPathW;
g_charsetConverter.utf8ToW(strPath, strPathW, false);
CWIN32Util::AddExtraLongPathPrefix(strPathW);
const unsigned int bufSize = GetFullPathNameW(strPathW.c_str(), 0, NULL, NULL);
if (bufSize != 0)
{
wchar_t * buf = new wchar_t[bufSize];
if (GetFullPathNameW(strPathW.c_str(), bufSize, buf, NULL) <= bufSize-1)
{
std::wstring expandedPathW(buf);
CWIN32Util::RemoveExtraLongPathPrefix(expandedPathW);
g_charsetConverter.wToUTF8(expandedPathW, strPath);
}
delete [] buf;
}
}
#endif
if (strPath.empty())
{
std::string strHomePath = ResolveExecutablePath();
#if defined(TARGET_DARWIN)
int result = -1;
char given_path[2*MAXPATHLEN];
uint32_t path_size =2*MAXPATHLEN;
result = CDarwinUtils::GetExecutablePath(given_path, &path_size);
if (result == 0)
{
// Move backwards to last /.
for (int n=strlen(given_path)-1; given_path[n] != '/'; n--)
given_path[n] = '\0';
#if defined(TARGET_DARWIN_IOS)
strcat(given_path, "/AppData/AppHome/");
#else
// Assume local path inside application bundle.
strcat(given_path, "../Resources/");
strcat(given_path, CCompileInfo::GetAppName());
strcat(given_path, "/");
#endif
// Convert to real path.
char real_path[2*MAXPATHLEN];
if (realpath(given_path, real_path) != NULL)
{
strPath = real_path;
return;
}
}
#endif
size_t last_sep = strHomePath.find_last_of(PATH_SEPARATOR_CHAR);
if (last_sep != string::npos)
strPath = strHomePath.substr(0, last_sep);
else
strPath = strHomePath;
}
#if defined(TARGET_POSIX) && !defined(TARGET_DARWIN)
/* Change strPath accordingly when target is KODI_HOME and when INSTALL_PATH
* and BIN_INSTALL_PATH differ
*/
std::string installPath = INSTALL_PATH;
std::string binInstallPath = BIN_INSTALL_PATH;
if (strTarget.empty() && installPath.compare(binInstallPath))
{
int pos = strPath.length() - binInstallPath.length();
std::string tmp = strPath;
tmp.erase(0, pos);
if (!tmp.compare(binInstallPath))
{
strPath.erase(pos, strPath.length());
strPath.append(installPath);
}
}
#endif
}
bool CUtil::IsPVR(const std::string& strFile)
{
return StringUtils::StartsWithNoCase(strFile, "pvr:");
}
bool CUtil::IsLiveTV(const std::string& strFile)
{
if (StringUtils::StartsWithNoCase(strFile, "pvr://channels"))
return true;
if(URIUtils::IsHDHomeRun(strFile)
|| StringUtils::StartsWithNoCase(strFile, "sap:"))
return true;
return false;
}
bool CUtil::IsTVRecording(const std::string& strFile)
{
return StringUtils::StartsWithNoCase(strFile, "pvr://recording");
}
bool CUtil::IsPicture(const std::string& strFile)
{
return URIUtils::HasExtension(strFile,
g_advancedSettings.m_pictureExtensions + "|.tbn|.dds");
}
bool CUtil::ExcludeFileOrFolder(const std::string& strFileOrFolder, const vector<string>& regexps)
{
if (strFileOrFolder.empty())
return false;
CRegExp regExExcludes(true, CRegExp::autoUtf8); // case insensitive regex
for (unsigned int i = 0; i < regexps.size(); i++)
{
if (!regExExcludes.RegComp(regexps[i].c_str()))
{ // invalid regexp - complain in logs
CLog::Log(LOGERROR, "%s: Invalid exclude RegExp:'%s'", __FUNCTION__, regexps[i].c_str());
continue;
}
if (regExExcludes.RegFind(strFileOrFolder) > -1)
{
CLog::Log(LOGDEBUG, "%s: File '%s' excluded. (Matches exclude rule RegExp:'%s')", __FUNCTION__, strFileOrFolder.c_str(), regexps[i].c_str());
return true;
}
}
return false;
}
void CUtil::GetFileAndProtocol(const std::string& strURL, std::string& strDir)
{
strDir = strURL;
if (!URIUtils::IsRemote(strURL)) return ;
if (URIUtils::IsDVD(strURL)) return ;
CURL url(strURL);
strDir = StringUtils::Format("%s://%s", url.GetProtocol().c_str(), url.GetFileName().c_str());
}
int CUtil::GetDVDIfoTitle(const std::string& strFile)
{
std::string strFilename = URIUtils::GetFileName(strFile);
if (StringUtils::EqualsNoCase(strFilename, "video_ts.ifo")) return 0;
//VTS_[TITLE]_0.IFO
return atoi(strFilename.substr(4, 2).c_str());
}
std::string CUtil::GetFileMD5(const std::string& strPath)
{
CFile file;
std::string result;
if (file.Open(strPath))
{
XBMC::XBMC_MD5 md5;
char temp[1024];
while (true)
{
ssize_t read = file.Read(temp,1024);
if (read <= 0)
break;
md5.append(temp,read);
}
result = md5.getDigest();
file.Close();
}
return result;
}
bool CUtil::GetDirectoryName(const std::string& strFileName, std::string& strDescription)
{
std::string strFName = URIUtils::GetFileName(strFileName);
strDescription = URIUtils::GetDirectory(strFileName);
URIUtils::RemoveSlashAtEnd(strDescription);
size_t iPos = strDescription.find_last_of("/\\");
if (iPos != std::string::npos)
strDescription = strDescription.substr(iPos + 1);
else if (strDescription.size() <= 0)
strDescription = strFName;
return true;
}
void CUtil::GetDVDDriveIcon(const std::string& strPath, std::string& strIcon)
{
if ( !g_mediaManager.IsDiscInDrive() )
{
strIcon = "DefaultDVDEmpty.png";
return ;
}
if ( URIUtils::IsDVD(strPath) )
{
strIcon = "DefaultDVDRom.png";
return ;
}
if ( URIUtils::IsISO9660(strPath) )
{
#ifdef HAS_DVD_DRIVE
CCdInfo* pInfo = g_mediaManager.GetCdInfo();
if ( pInfo != NULL && pInfo->IsVideoCd( 1 ) )
{
strIcon = "DefaultVCD.png";
return ;
}
#endif
strIcon = "DefaultDVDRom.png";
return ;
}
if ( URIUtils::IsCDDA(strPath) )
{
strIcon = "DefaultCDDA.png";
return ;
}
}
void CUtil::RemoveTempFiles()
{
std::string searchPath = CProfilesManager::Get().GetDatabaseFolder();
CFileItemList items;
if (!XFILE::CDirectory::GetDirectory(searchPath, items, ".tmp", DIR_FLAG_NO_FILE_DIRS))
return;
for (int i = 0; i < items.Size(); ++i)
{
if (items[i]->m_bIsFolder)
continue;
XFILE::CFile::Delete(items[i]->GetPath());
}
}
void CUtil::ClearSubtitles()
{
//delete cached subs
CFileItemList items;
CDirectory::GetDirectory("special://temp/",items);
for( int i=0;i<items.Size();++i)
{
if (!items[i]->m_bIsFolder)
{
if (items[i]->GetPath().find("subtitle") != std::string::npos ||
items[i]->GetPath().find("vobsub_queue") != std::string::npos)
{
CLog::Log(LOGDEBUG, "%s - Deleting temporary subtitle %s", __FUNCTION__, items[i]->GetPath().c_str());
CFile::Delete(items[i]->GetPath());
}
}
}
}
void CUtil::ClearTempFonts()
{
std::string searchPath = "special://temp/fonts/";
if (!CDirectory::Exists(searchPath))
return;
CFileItemList items;
CDirectory::GetDirectory(searchPath, items, "", DIR_FLAG_NO_FILE_DIRS | DIR_FLAG_BYPASS_CACHE);
for (int i=0; i<items.Size(); ++i)
{
if (items[i]->m_bIsFolder)
continue;
CFile::Delete(items[i]->GetPath());
}
}
static const char * sub_exts[] = { ".srt", ".idx", ".sub", ".ass", ".utf", ".utf8", ".utf-8", ".smi", ".rt", ".txt", ".ssa", ".aqt", ".jss", NULL};
int64_t CUtil::ToInt64(uint32_t high, uint32_t low)
{
int64_t n;
n = high;
n <<= 32;
n += low;
return n;
}
std::string CUtil::GetNextFilename(const std::string &fn_template, int max)
{
if (fn_template.find("%03d") == std::string::npos)
return "";
std::string searchPath = URIUtils::GetDirectory(fn_template);
std::string mask = URIUtils::GetExtension(fn_template);
std::string name = StringUtils::Format(fn_template.c_str(), 0);
CFileItemList items;
if (!CDirectory::GetDirectory(searchPath, items, mask, DIR_FLAG_NO_FILE_DIRS))
return name;
items.SetFastLookup(true);
for (int i = 0; i <= max; i++)
{
std::string name = StringUtils::Format(fn_template.c_str(), i);
if (!items.Get(name))
return name;
}
return "";
}
std::string CUtil::GetNextPathname(const std::string &path_template, int max)
{
if (path_template.find("%04d") == std::string::npos)
return "";
for (int i = 0; i <= max; i++)
{
std::string name = StringUtils::Format(path_template.c_str(), i);
if (!CFile::Exists(name) && !CDirectory::Exists(name))
return name;
}
return "";
}
void CUtil::StatToStatI64(struct _stati64 *result, struct stat *stat)
{
result->st_dev = stat->st_dev;
result->st_ino = stat->st_ino;
result->st_mode = stat->st_mode;
result->st_nlink = stat->st_nlink;
result->st_uid = stat->st_uid;
result->st_gid = stat->st_gid;
result->st_rdev = stat->st_rdev;
result->st_size = (int64_t)stat->st_size;
#ifndef TARGET_POSIX
result->st_atime = (long)(stat->st_atime & 0xFFFFFFFF);
result->st_mtime = (long)(stat->st_mtime & 0xFFFFFFFF);
result->st_ctime = (long)(stat->st_ctime & 0xFFFFFFFF);
#else
result->_st_atime = (long)(stat->st_atime & 0xFFFFFFFF);
result->_st_mtime = (long)(stat->st_mtime & 0xFFFFFFFF);
result->_st_ctime = (long)(stat->st_ctime & 0xFFFFFFFF);
#endif
}
void CUtil::Stat64ToStatI64(struct _stati64 *result, struct __stat64 *stat)
{
result->st_dev = stat->st_dev;
result->st_ino = stat->st_ino;
result->st_mode = stat->st_mode;
result->st_nlink = stat->st_nlink;
result->st_uid = stat->st_uid;
result->st_gid = stat->st_gid;
result->st_rdev = stat->st_rdev;
result->st_size = stat->st_size;
#ifndef TARGET_POSIX
result->st_atime = (long)(stat->st_atime & 0xFFFFFFFF);
result->st_mtime = (long)(stat->st_mtime & 0xFFFFFFFF);
result->st_ctime = (long)(stat->st_ctime & 0xFFFFFFFF);
#else
result->_st_atime = (long)(stat->st_atime & 0xFFFFFFFF);
result->_st_mtime = (long)(stat->st_mtime & 0xFFFFFFFF);
result->_st_ctime = (long)(stat->st_ctime & 0xFFFFFFFF);
#endif
}
void CUtil::StatI64ToStat64(struct __stat64 *result, struct _stati64 *stat)
{
result->st_dev = stat->st_dev;
result->st_ino = stat->st_ino;
result->st_mode = stat->st_mode;
result->st_nlink = stat->st_nlink;
result->st_uid = stat->st_uid;
result->st_gid = stat->st_gid;
result->st_rdev = stat->st_rdev;
result->st_size = stat->st_size;
#ifndef TARGET_POSIX
result->st_atime = stat->st_atime;
result->st_mtime = stat->st_mtime;
result->st_ctime = stat->st_ctime;
#else
result->st_atime = stat->_st_atime;
result->st_mtime = stat->_st_mtime;
result->st_ctime = stat->_st_ctime;
#endif
}
void CUtil::StatToStat64(struct __stat64 *result, const struct stat *stat)
{
memset(result, 0, sizeof(*result));
result->st_dev = stat->st_dev;
result->st_ino = stat->st_ino;
result->st_mode = stat->st_mode;
result->st_nlink = stat->st_nlink;
result->st_uid = stat->st_uid;
result->st_gid = stat->st_gid;
result->st_rdev = stat->st_rdev;
result->st_size = stat->st_size;
result->st_atime = stat->st_atime;
result->st_mtime = stat->st_mtime;
result->st_ctime = stat->st_ctime;
}
void CUtil::Stat64ToStat(struct stat *result, struct __stat64 *stat)
{
result->st_dev = stat->st_dev;
result->st_ino = stat->st_ino;
result->st_mode = stat->st_mode;
result->st_nlink = stat->st_nlink;
result->st_uid = stat->st_uid;
result->st_gid = stat->st_gid;
result->st_rdev = stat->st_rdev;
#ifndef TARGET_POSIX
if (stat->st_size <= LONG_MAX)
result->st_size = (_off_t)stat->st_size;
#else
if (sizeof(stat->st_size) <= sizeof(result->st_size) )
result->st_size = stat->st_size;
#endif
else
{
result->st_size = 0;
CLog::Log(LOGWARNING, "WARNING: File is larger than 32bit stat can handle, file size will be reported as 0 bytes");
}
result->st_atime = (time_t)(stat->st_atime & 0xFFFFFFFF);
result->st_mtime = (time_t)(stat->st_mtime & 0xFFFFFFFF);
result->st_ctime = (time_t)(stat->st_ctime & 0xFFFFFFFF);
}
#ifdef TARGET_WINDOWS
void CUtil::Stat64ToStat64i32(struct _stat64i32 *result, struct __stat64 *stat)
{
result->st_dev = stat->st_dev;
result->st_ino = stat->st_ino;
result->st_mode = stat->st_mode;
result->st_nlink = stat->st_nlink;
result->st_uid = stat->st_uid;
result->st_gid = stat->st_gid;
result->st_rdev = stat->st_rdev;
#ifndef TARGET_POSIX
if (stat->st_size <= LONG_MAX)
result->st_size = (_off_t)stat->st_size;
#else
if (sizeof(stat->st_size) <= sizeof(result->st_size) )
result->st_size = stat->st_size;
#endif
else
{
result->st_size = 0;
CLog::Log(LOGWARNING, "WARNING: File is larger than 32bit stat can handle, file size will be reported as 0 bytes");
}
#ifndef TARGET_POSIX
result->st_atime = stat->st_atime;
result->st_mtime = stat->st_mtime;
result->st_ctime = stat->st_ctime;
#else
result->st_atime = stat->_st_atime;
result->st_mtime = stat->_st_mtime;
result->st_ctime = stat->_st_ctime;
#endif
}
#endif
bool CUtil::CreateDirectoryEx(const std::string& strPath)
{
// Function to create all directories at once instead
// of calling CreateDirectory for every subdir.
// Creates the directory and subdirectories if needed.
// return true if directory already exist
if (CDirectory::Exists(strPath)) return true;
// we currently only allow HD and smb and nfs paths
if (!URIUtils::IsHD(strPath) && !URIUtils::IsSmb(strPath) && !URIUtils::IsNfs(strPath))
{
CLog::Log(LOGERROR,"%s called with an unsupported path: %s", __FUNCTION__, strPath.c_str());
return false;
}
vector<string> dirs = URIUtils::SplitPath(strPath);
if (dirs.empty())
return false;
std::string dir(dirs.front());
URIUtils::AddSlashAtEnd(dir);
for (vector<string>::const_iterator it = dirs.begin() + 1; it != dirs.end(); it ++)
{
dir = URIUtils::AddFileToFolder(dir, *it);
CDirectory::Create(dir);
}
// was the final destination directory successfully created ?
if (!CDirectory::Exists(strPath)) return false;
return true;
}
std::string CUtil::MakeLegalFileName(const std::string &strFile, int LegalType)
{
std::string result = strFile;
StringUtils::Replace(result, '/', '_');
StringUtils::Replace(result, '\\', '_');
StringUtils::Replace(result, '?', '_');
if (LegalType == LEGAL_WIN32_COMPAT)
{
// just filter out some illegal characters on windows
StringUtils::Replace(result, ':', '_');
StringUtils::Replace(result, '*', '_');
StringUtils::Replace(result, '?', '_');
StringUtils::Replace(result, '\"', '_');
StringUtils::Replace(result, '<', '_');
StringUtils::Replace(result, '>', '_');
StringUtils::Replace(result, '|', '_');
StringUtils::TrimRight(result, ". ");
}
return result;
}
// legalize entire path
std::string CUtil::MakeLegalPath(const std::string &strPathAndFile, int LegalType)
{
if (URIUtils::IsStack(strPathAndFile))
return MakeLegalPath(CStackDirectory::GetFirstStackedFile(strPathAndFile));
if (URIUtils::IsMultiPath(strPathAndFile))
return MakeLegalPath(CMultiPathDirectory::GetFirstPath(strPathAndFile));
if (!URIUtils::IsHD(strPathAndFile) && !URIUtils::IsSmb(strPathAndFile) && !URIUtils::IsNfs(strPathAndFile))
return strPathAndFile; // we don't support writing anywhere except HD, SMB and NFS - no need to legalize path
bool trailingSlash = URIUtils::HasSlashAtEnd(strPathAndFile);
vector<string> dirs = URIUtils::SplitPath(strPathAndFile);
if (dirs.empty())
return strPathAndFile;
// we just add first token to path and don't legalize it - possible values:
// "X:" (local win32), "" (local unix - empty string before '/') or
// "protocol://domain"
std::string dir(dirs.front());
URIUtils::AddSlashAtEnd(dir);
for (vector<string>::const_iterator it = dirs.begin() + 1; it != dirs.end(); it ++)
dir = URIUtils::AddFileToFolder(dir, MakeLegalFileName(*it, LegalType));
if (trailingSlash) URIUtils::AddSlashAtEnd(dir);
return dir;
}
std::string CUtil::ValidatePath(const std::string &path, bool bFixDoubleSlashes /* = false */)
{
std::string result = path;
// Don't do any stuff on URLs containing %-characters or protocols that embed
// filenames. NOTE: Don't use IsInZip or IsInRar here since it will infinitely
// recurse and crash XBMC
if (URIUtils::IsURL(path) &&
(path.find('%') != std::string::npos ||
StringUtils::StartsWithNoCase(path, "apk:") ||
StringUtils::StartsWithNoCase(path, "zip:") ||
StringUtils::StartsWithNoCase(path, "rar:") ||
StringUtils::StartsWithNoCase(path, "stack:") ||
StringUtils::StartsWithNoCase(path, "bluray:") ||
StringUtils::StartsWithNoCase(path, "multipath:") ))
return result;
// check the path for incorrect slashes
#ifdef TARGET_WINDOWS
if (URIUtils::IsDOSPath(path))
{
StringUtils::Replace(result, '/', '\\');
/* The double slash correction should only be used when *absolutely*
necessary! This applies to certain DLLs or use from Python DLLs/scripts
that incorrectly generate double (back) slashes.
*/
if (bFixDoubleSlashes && !result.empty())
{
// Fixup for double back slashes (but ignore the \\ of unc-paths)
for (size_t x = 1; x < result.size() - 1; x++)
{
if (result[x] == '\\' && result[x+1] == '\\')
result.erase(x);
}
}
}
else if (path.find("://") != std::string::npos || path.find(":\\\\") != std::string::npos)
#endif
{
StringUtils::Replace(result, '\\', '/');
/* The double slash correction should only be used when *absolutely*
necessary! This applies to certain DLLs or use from Python DLLs/scripts
that incorrectly generate double (back) slashes.
*/
if (bFixDoubleSlashes && !result.empty())
{
// Fixup for double forward slashes(/) but don't touch the :// of URLs
for (size_t x = 2; x < result.size() - 1; x++)
{
if ( result[x] == '/' && result[x + 1] == '/' && !(result[x - 1] == ':' || (result[x - 1] == '/' && result[x - 2] == ':')) )
result.erase(x);
}
}
}
return result;
}
bool CUtil::IsUsingTTFSubtitles()
{
return URIUtils::HasExtension(CSettings::Get().GetString("subtitles.font"), ".ttf");
}
void CUtil::SplitExecFunction(const std::string &execString, std::string &function, vector<string> ¶meters)
{
std::string paramString;
size_t iPos = execString.find("(");
size_t iPos2 = execString.rfind(")");
if (iPos != std::string::npos && iPos2 != std::string::npos)
{
paramString = execString.substr(iPos + 1, iPos2 - iPos - 1);
function = execString.substr(0, iPos);
}
else
function = execString;
// remove any whitespace, and the standard prefix (if it exists)
StringUtils::Trim(function);
if( StringUtils::StartsWithNoCase(function, "xbmc.") )
function.erase(0, 5);
SplitParams(paramString, parameters);
}
void CUtil::SplitParams(const std::string ¶mString, std::vector<std::string> ¶meters)
{
bool inQuotes = false;
bool lastEscaped = false; // only every second character can be escaped
int inFunction = 0;
size_t whiteSpacePos = 0;
std::string parameter;
parameters.clear();
for (size_t pos = 0; pos < paramString.size(); pos++)
{
char ch = paramString[pos];
bool escaped = (pos > 0 && paramString[pos - 1] == '\\' && !lastEscaped);
lastEscaped = escaped;
if (inQuotes)
{ // if we're in a quote, we accept everything until the closing quote
if (ch == '"' && !escaped)
{ // finished a quote - no need to add the end quote to our string
inQuotes = false;
}
}
else
{ // not in a quote, so check if we should be starting one
if (ch == '"' && !escaped)
{ // start of quote - no need to add the quote to our string
inQuotes = true;
}
if (inFunction && ch == ')')
{ // end of a function
inFunction--;
}
if (ch == '(')
{ // start of function