#include "support/filetools.h"
#include "support/lassert.h"
#include "support/lstrings.h"
-#include "support/qstring_helpers.h"
+#include "support/mutex.h"
#include "support/os.h"
#include "support/Package.h"
#include "support/qstring_helpers.h"
#include <QFileInfo>
#include <QList>
#include <QTemporaryFile>
-#include <QTime>
+#include <QElapsedTimer>
+
+#ifdef _WIN32
+#include <QThread>
+#endif
#include <boost/crc.hpp>
-#include <boost/scoped_array.hpp>
#include <algorithm>
#include <iterator>
using namespace std;
using namespace lyx::support;
-// OK, this is ugly, but it is the only workaround I found to compile
-// with gcc (any version) on a system which uses a non-GNU toolchain.
-// The problem is that gcc uses a weak symbol for a particular
-// instantiation and that the system linker usually does not
-// understand those weak symbols (seen on HP-UX, tru64, AIX and
-// others). Thus we force an explicit instanciation of this particular
-// template (JMarc)
-template struct boost::detail::crc_table_t<32, 0x04C11DB7, true>;
-
namespace lyx {
namespace support {
{
Private() {}
- Private(string const & abs_filename) : fi(toqstr(abs_filename))
+ Private(string const & abs_filename) : fi(toqstr(handleTildeName(abs_filename)))
{
name = fromqstr(fi.absoluteFilePath());
fi.setCaching(fi.exists() ? true : false);
}
///
- inline void refresh()
+ inline void refresh()
{
-// There seems to be a bug in Qt >= 4.2.0 and < 4.5.0, that causes problems with
-// QFileInfo::refresh() on *nix. So we recreate the object in that case.
-#if defined(_WIN32) || (QT_VERSION >= 0x040500)
fi.refresh();
-#else
- fi = QFileInfo(fi.absoluteFilePath());
-#endif
}
-
static
bool isFilesystemEqual(QString const & lhs, QString const & rhs)
{
Qt::CaseSensitive : Qt::CaseInsensitive) == 0;
}
+ static
+ string const handleTildeName(string const & name)
+ {
+ return name == "~" ? Package::get_home_dir().absFileName() :
+ prefixIs(name, "~/") ? Package::get_home_dir().absFileName() + name.substr(1) :
+ name;
+ }
+
/// The absolute file name in UTF-8 encoding.
std::string name;
///
: d(abs_filename.empty() ? new Private : new Private(abs_filename))
{
//LYXERR(Debug::FILES, "FileName(" << abs_filename << ')');
- LASSERT(empty() || isAbsolute(d->name), /**/);
+ LATTEST(empty() || isAbsolute(d->name));
}
bool FileName::isAbsolute(string const & name)
{
- QFileInfo fi(toqstr(name));
+ QFileInfo fi(toqstr(Private::handleTildeName(name)));
return fi.isAbsolute();
}
void FileName::set(string const & name)
{
- d->fi.setFile(toqstr(name));
+ d->fi.setFile(toqstr(Private::handleTildeName(name)));
d->name = fromqstr(d->fi.absoluteFilePath());
//LYXERR(Debug::FILES, "FileName::set(" << name << ')');
- LASSERT(empty() || isAbsolute(d->name), /**/);
+ LATTEST(empty() || isAbsolute(d->name));
}
d->fi.setFile(QDir(rhs.d->fi.absoluteFilePath()), toqstr(suffix));
d->name = fromqstr(d->fi.absoluteFilePath());
//LYXERR(Debug::FILES, "FileName::set(" << d->name << ')');
- LASSERT(empty() || isAbsolute(d->name), /**/);
+ LATTEST(empty() || isAbsolute(d->name));
}
}
-bool FileName::copyTo(FileName const & name) const
+bool FileName::copyTo(FileName const & name, bool keepsymlink) const
+{
+ FileNameSet visited;
+ return copyTo(name, keepsymlink, visited);
+}
+
+
+bool FileName::copyTo(FileName const & name, bool keepsymlink,
+ FileName::FileNameSet & visited) const
{
- LYXERR(Debug::FILES, "Copying " << name);
+ LYXERR(Debug::FILES, "Copying " << name << " keep symlink: " << keepsymlink);
+ if (keepsymlink && name.isSymLink()) {
+ visited.insert(*this);
+ FileName const target(fromqstr(name.d->fi.symLinkTarget()));
+ if (visited.find(target) != visited.end()) {
+ LYXERR(Debug::FILES, "Found circular symlink: " << target);
+ return false;
+ }
+ return copyTo(target, true);
+ }
QFile::remove(name.d->fi.absoluteFilePath());
bool success = QFile::copy(d->fi.absoluteFilePath(), name.d->fi.absoluteFilePath());
if (!success)
bool FileName::renameTo(FileName const & name) const
{
+ LYXERR(Debug::FILES, "Renaming " << name << " as " << *this);
bool success = QFile::rename(d->fi.absoluteFilePath(), name.d->fi.absoluteFilePath());
+ d->refresh();
if (!success)
LYXERR0("Could not rename file " << *this << " to " << name);
return success;
bool FileName::moveTo(FileName const & name) const
{
+ LYXERR(Debug::FILES, "Moving " << *this << " to " << name);
+#ifdef _WIN32
+ // there's a locking problem on Windows sometimes, so
+ // we will keep trying for five seconds, in the hope
+ // that clears.
+ name.refresh();
+ if (name.exists()) {
+ bool removed = name.removeFile();
+ int tries = 1;
+ while (!removed && tries < 6) {
+ QThread::sleep(1);
+ removed = name.removeFile();
+ tries++;
+ }
+ }
+#else
QFile::remove(name.d->fi.absoluteFilePath());
+#endif
- bool success = QFile::rename(d->fi.absoluteFilePath(),
- name.d->fi.absoluteFilePath());
+ bool const success = renameTo(name);
if (!success)
LYXERR0("Could not move file " << *this << " to " << name);
return success;
return true;
}
+bool FileName::clonePermissions(FileName const & source)
+{
+ QFile fin(toqstr(source.absFileName()));
+ QFile f(toqstr(absFileName()));
+
+ return f.setPermissions(fin.permissions());
+}
string FileName::toFilesystemEncoding() const
{
}
+//QFileInfo caching info might fool this test if file was changed meanwhile.
+//refresh() helps, but we don't want to put it blindly here, because it might
+//trigger slowdown on networked file systems.
bool FileName::isFileEmpty() const
{
LASSERT(!empty(), return true);
}
+FileName FileName::parentPath() const
+{
+ FileName path;
+ // return empty path for parent of root dir
+ // parent of empty path is empty too
+ if (empty() || d->fi.isRoot())
+ return path;
+ path.d->fi.setFile(d->fi.path());
+ path.d->name = fromqstr(path.d->fi.absoluteFilePath());
+ return path;
+}
+
+
bool FileName::isReadableFile() const
{
return !empty() && d->fi.isFile() && d->fi.isReadable();
}
-static string createTempFile(QString const & mask)
-{
- QTemporaryFile qt_tmp(mask);
- if (qt_tmp.open()) {
- string const temp_file = fromqstr(qt_tmp.fileName());
- LYXERR(Debug::FILES, "Temporary file `" << temp_file << "' created.");
- return temp_file;
- }
- LYXERR(Debug::FILES, "Unable to create temporary file with following template: "
- << qt_tmp.fileTemplate());
- return string();
-}
-
-
-FileName FileName::tempName(FileName const & temp_dir, string const & mask)
-{
- QFileInfo tmp_fi(QDir(temp_dir.d->fi.absoluteFilePath()), toqstr(mask));
- LYXERR(Debug::FILES, "Temporary file in " << tmp_fi.absoluteFilePath());
- return FileName(createTempFile(tmp_fi.absoluteFilePath()));
-}
-
-
-FileName FileName::tempName(string const & mask)
-{
- return tempName(package().temp_dir(), mask);
-}
-
-
FileName FileName::getcwd()
{
// return makeAbsPath("."); would create an infinite loop
// been touched between the object creation and now, we refresh the file
// information.
d->refresh();
+#if (QT_VERSION >= QT_VERSION_CHECK(5, 8, 0))
+ return d->fi.lastModified().toSecsSinceEpoch();
+#else
return d->fi.lastModified().toTime_t();
+#endif
}
}
+bool FileName::link(FileName const & name) const
+{
+ return QFile::link(toqstr(absFileName()), toqstr(name.absFileName()));
+}
+
+
+unsigned long checksum_ifstream_fallback(char const * file)
+{
+ unsigned long result = 0;
+ //LYXERR(Debug::FILES, "lyx::sum() using istreambuf_iterator (fast)");
+ ifstream ifs(file, ios_base::in | ios_base::binary);
+ if (!ifs)
+ return result;
+
+ istreambuf_iterator<char> beg(ifs);
+ istreambuf_iterator<char> end;
+ boost::crc_32_type crc;
+ crc = for_each(beg, end, crc);
+ result = crc.checksum();
+ return result;
+}
+
unsigned long FileName::checksum() const
{
unsigned long result = 0;
}
// This is used in the debug output at the end of the method.
- static QTime t;
+ static QElapsedTimer t;
if (lyxerr.debugging(Debug::FILES))
t.restart();
// FIXME: This code is not ready with Qt4.4.2,
// see http://www.lyx.org/trac/ticket/5293
// FIXME: should we check if the MapExtension extension is supported?
- // see QAbstractFileEngine::supportsExtension() and
+ // see QAbstractFileEngine::supportsExtension() and
// QAbstractFileEngine::MapExtension)
QFile qf(fi.filePath());
if (!qf.open(QIODevice::ReadOnly))
return result;
struct stat info;
- fstat(fd, &info);
+ if (fstat(fd, &info)){
+ // fstat fails on samba shares (bug 5891)
+ close(fd);
+ return checksum_ifstream_fallback(file);
+ }
void * mm = mmap(0, info.st_size, PROT_READ,
MAP_PRIVATE, fd, 0);
close(fd);
#else // no SUM_WITH_MMAP
-
- //LYXERR(Debug::FILES, "lyx::sum() using istreambuf_iterator (fast)");
- ifstream ifs(file, ios_base::in | ios_base::binary);
- if (!ifs)
- return result;
-
- istreambuf_iterator<char> beg(ifs);
- istreambuf_iterator<char> end;
- boost::crc_32_type crc;
- crc = for_each(beg, end, crc);
- result = crc.checksum();
-
+ result = checksum_ifstream_fallback(file);
#endif // SUM_WITH_MMAP
#endif // QT_VERSION
LYXERR(Debug::FILES, "Checksumming \"" << absFileName() << "\" "
- << result << " lasted " << t.elapsed() << " ms.");
+ << result << " lasted " << QString::number(t.elapsed()) << " ms.");
return result;
}
continue;
bool removed;
if (list.at(i).isDir()) {
- LYXERR(Debug::FILES, "Removing dir "
+ LYXERR(Debug::FILES, "Removing dir "
<< fromqstr(list.at(i).absoluteFilePath()));
removed = rmdir(list.at(i));
}
else {
- LYXERR(Debug::FILES, "Removing file "
+ LYXERR(Debug::FILES, "Removing file "
<< fromqstr(list.at(i).absoluteFilePath()));
removed = dir.remove(list.at(i).fileName());
}
LYXERR0("Could not delete "
<< fromqstr(list.at(i).absoluteFilePath()));
}
- }
+ }
QDir parent = fi.absolutePath();
success &= parent.rmdir(fi.fileName());
return success;
docstring FileName::fileContents(string const & encoding) const
{
if (!isReadableFile()) {
- LYXERR0("File '" << *this << "' is not redable!");
+ LYXERR0("File '" << *this << "' is not readable!");
return docstring();
}
if (encoding.empty() || encoding == "UTF-8")
s = QString::fromUtf8(contents.data());
else if (encoding == "ascii")
+#if (QT_VERSION < 0x050000)
s = QString::fromAscii(contents.data());
+#else
+ s = QString::fromLatin1(contents.data());
+#endif
else if (encoding == "local8bit")
s = QString::fromLocal8Bit(contents.data());
else if (encoding == "latin1")
}
-string FileName::guessFormatFromContents() const
-{
- // the different filetypes and what they contain in one of the first lines
- // (dots are any characters). (Herbert 20020131)
- // AGR Grace...
- // BMP BM...
- // EPS %!PS-Adobe-3.0 EPSF...
- // FIG #FIG...
- // FITS ...BITPIX...
- // GIF GIF...
- // JPG JFIF
- // PDF %PDF-...
- // PNG .PNG...
- // PBM P1... or P4 (B/W)
- // PGM P2... or P5 (Grayscale)
- // PPM P3... or P6 (color)
- // PS %!PS-Adobe-2.0 or 1.0, no "EPSF"!
- // SGI \001\332... (decimal 474)
- // TGIF %TGIF...
- // TIFF II... or MM...
- // XBM ..._bits[]...
- // XPM /* XPM */ sometimes missing (f.ex. tgif-export)
- // ...static char *...
- // XWD \000\000\000\151 (0x00006900) decimal 105
- //
- // GZIP \037\213 http://www.ietf.org/rfc/rfc1952.txt
- // ZIP PK... http://www.halyava.ru/document/ind_arch.htm
- // Z \037\235 UNIX compress
-
- // paranoia check
- if (empty() || !isReadableFile())
- return string();
-
- ifstream ifs(toFilesystemEncoding().c_str());
- if (!ifs)
- // Couldn't open file...
- return string();
-
- // gnuzip
- static string const gzipStamp = "\037\213";
-
- // PKZIP
- static string const zipStamp = "PK";
-
- // compress
- static string const compressStamp = "\037\235";
-
- // Maximum strings to read
- int const max_count = 50;
- int count = 0;
-
- string str;
- string format;
- bool firstLine = true;
- while ((count++ < max_count) && format.empty()) {
- if (ifs.eof()) {
- LYXERR(Debug::GRAPHICS, "filetools(getFormatFromContents)\n"
- << "\tFile type not recognised before EOF!");
- break;
- }
-
- getline(ifs, str);
- string const stamp = str.substr(0, 2);
- if (firstLine && str.size() >= 2) {
- // at first we check for a zipped file, because this
- // information is saved in the first bytes of the file!
- // also some graphic formats which save the information
- // in the first line, too.
- if (prefixIs(str, gzipStamp)) {
- format = "gzip";
-
- } else if (stamp == zipStamp) {
- format = "zip";
-
- } else if (stamp == compressStamp) {
- format = "compress";
-
- // the graphics part
- } else if (stamp == "BM") {
- format = "bmp";
-
- } else if (stamp == "\001\332") {
- format = "sgi";
-
- // PBM family
- // Don't need to use str.at(0), str.at(1) because
- // we already know that str.size() >= 2
- } else if (str[0] == 'P') {
- switch (str[1]) {
- case '1':
- case '4':
- format = "pbm";
- break;
- case '2':
- case '5':
- format = "pgm";
- break;
- case '3':
- case '6':
- format = "ppm";
- }
- break;
-
- } else if ((stamp == "II") || (stamp == "MM")) {
- format = "tiff";
-
- } else if (prefixIs(str,"%TGIF")) {
- format = "tgif";
-
- } else if (prefixIs(str,"#FIG")) {
- format = "fig";
-
- } else if (prefixIs(str,"GIF")) {
- format = "gif";
-
- } else if (str.size() > 3) {
- int const c = ((str[0] << 24) & (str[1] << 16) &
- (str[2] << 8) & str[3]);
- if (c == 105) {
- format = "xwd";
- }
- }
-
- firstLine = false;
- }
-
- if (!format.empty())
- break;
- else if (contains(str,"EPSF"))
- // dummy, if we have wrong file description like
- // %!PS-Adobe-2.0EPSF"
- format = "eps";
-
- else if (contains(str, "Grace"))
- format = "agr";
-
- else if (contains(str, "JFIF"))
- format = "jpg";
-
- else if (contains(str, "%PDF"))
- format = "pdf";
-
- else if (contains(str, "PNG"))
- format = "png";
-
- else if (contains(str, "%!PS-Adobe")) {
- // eps or ps
- ifs >> str;
- if (contains(str,"EPSF"))
- format = "eps";
- else
- format = "ps";
- }
-
- else if (contains(str, "_bits[]"))
- format = "xbm";
-
- else if (contains(str, "XPM") || contains(str, "static char *"))
- format = "xpm";
-
- else if (contains(str, "BITPIX"))
- format = "fits";
- }
-
- // Dia knows also compressed form
- if ((format == "gzip") && (!compare_ascii_no_case(extension(), "dia")))
- format="dia";
-
- if (!format.empty()) {
- LYXERR(Debug::GRAPHICS, "Recognised Fileformat: " << format);
- return format;
- }
-
- LYXERR(Debug::GRAPHICS, "filetools(getFormatFromContents)\n"
- << "\tCouldn't find a known format!");
- return string();
-}
-
-
-bool FileName::isZippedFile() const
-{
- string const type = guessFormatFromContents();
- return contains("gzip zip compress", type) && !type.empty();
-}
-
-
docstring const FileName::relPath(string const & path) const
{
// FIXME UNICODE
DocFileName::DocFileName(string const & abs_filename, bool save_abs)
- : FileName(abs_filename), save_abs_path_(save_abs), zipped_valid_(false)
+ : FileName(abs_filename), save_abs_path_(save_abs)
{}
DocFileName::DocFileName(FileName const & abs_filename, bool save_abs)
- : FileName(abs_filename), save_abs_path_(save_abs), zipped_valid_(false)
+ : FileName(abs_filename), save_abs_path_(save_abs)
{}
FileName::set(name);
else
FileName::set(makeAbsPath(name, buffer_path).absFileName());
- zipped_valid_ = false;
}
void DocFileName::erase()
{
FileName::erase();
- zipped_valid_ = false;
}
string DocFileName::mangledFileName(string const & dir) const
{
+ // Concurrent access to these variables is possible.
+
// We need to make sure that every DocFileName instance for a given
// filename returns the same mangled name.
typedef map<string, string> MangledMap;
static MangledMap mangledNames;
+ static Mutex mangledMutex;
+ // this locks both access to mangledNames and counter below
+ Mutex::Locker lock(&mangledMutex);
MangledMap::const_iterator const it = mangledNames.find(absFileName());
if (it != mangledNames.end())
return (*it).second;
// in the name.
static string const keep = "abcdefghijklmnopqrstuvwxyz"
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"
- "+,-0123456789;=";
+ "+-0123456789;=";
string::size_type pos = 0;
while ((pos = mname.find_first_not_of(keep, pos)) != string::npos)
mname[pos++] = '_';
}
-bool DocFileName::isZipped() const
-{
- if (!zipped_valid_) {
- zipped_ = isZippedFile();
- zipped_valid_ = true;
- }
- return zipped_;
-}
-
-
string DocFileName::unzippedFileName() const
{
return support::unzippedFileName(absFileName());
projects / lyx.git / blobdiff