#include <config.h>
#include "support/FileName.h"
+#include "support/FileNameList.h"
+
+#include "support/debug.h"
#include "support/filetools.h"
+#include "support/lassert.h"
#include "support/lstrings.h"
+#include "support/mutex.h"
#include "support/os.h"
+#include "support/Package.h"
#include "support/qstring_helpers.h"
-#include "debug.h"
-#include "lyxlib.h"
-
#include <QDateTime>
#include <QDir>
#include <QFile>
#include <QFileInfo>
#include <QList>
+#include <QTemporaryFile>
+#include <QTime>
-#include <boost/assert.hpp>
+#include <boost/crc.hpp>
+#include <algorithm>
+#include <iterator>
+#include <fstream>
+#include <iomanip>
#include <map>
#include <sstream>
-#include <fstream>
-#include <algorithm>
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#ifdef HAVE_SYS_STAT_H
# include <sys/stat.h>
#endif
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+#ifdef HAVE_DIRECT_H
+# include <direct.h>
+#endif
+#ifdef _WIN32
+# include <windows.h>
+#endif
+
#include <cerrno>
#include <fcntl.h>
+// Three implementations of checksum(), depending on having mmap support or not.
+#if defined(HAVE_MMAP) && defined(HAVE_MUNMAP)
+#define SUM_WITH_MMAP
+#include <sys/mman.h>
+#endif // SUM_WITH_MMAP
+
+using namespace std;
+using namespace lyx::support;
-using std::map;
-using std::string;
-using std::ifstream;
-using std::ostringstream;
-using std::endl;
+// 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 {
-
/////////////////////////////////////////////////////////////////////
//
// FileName::Private
Private() {}
Private(string const & abs_filename) : fi(toqstr(abs_filename))
- {}
+ {
+ name = fromqstr(fi.absoluteFilePath());
+ fi.setCaching(fi.exists() ? true : false);
+ }
+ ///
+ inline void refresh()
+ {
+ fi.refresh();
+ }
+
+
+ static
+ bool isFilesystemEqual(QString const & lhs, QString const & rhs)
+ {
+ return QString::compare(lhs, rhs, os::isFilesystemCaseSensitive() ?
+ Qt::CaseSensitive : Qt::CaseInsensitive) == 0;
+ }
+
+ /// The absolute file name in UTF-8 encoding.
+ std::string name;
///
QFileInfo fi;
};
{
}
+
FileName::FileName(string const & abs_filename)
: d(abs_filename.empty() ? new Private : new Private(abs_filename))
{
- BOOST_ASSERT(empty() || d->fi.isAbsolute());
-#if defined(_WIN32)
- BOOST_ASSERT(!contains(abs_filename, '\\'));
-#endif
+ //LYXERR(Debug::FILES, "FileName(" << abs_filename << ')');
+ LATTEST(empty() || isAbsolute(d->name));
+}
+
+
+FileName::~FileName()
+{
+ delete d;
}
FileName::FileName(FileName const & rhs) : d(new Private)
{
+ d->name = rhs.d->name;
d->fi = rhs.d->fi;
}
+FileName::FileName(FileName const & rhs, string const & suffix) : d(new Private)
+{
+ set(rhs, suffix);
+}
+
+
FileName & FileName::operator=(FileName const & rhs)
{
+ if (&rhs == this)
+ return *this;
+ d->name = rhs.d->name;
d->fi = rhs.d->fi;
return *this;
}
bool FileName::empty() const
{
- return d->fi.absoluteFilePath().isEmpty();
+ return d->name.empty();
+}
+
+
+bool FileName::isAbsolute(string const & name)
+{
+ QFileInfo fi(toqstr(name));
+ return fi.isAbsolute();
+}
+
+
+string FileName::absFileName() const
+{
+ return d->name;
}
-string FileName::absFilename() const
+string FileName::realPath() const
{
- return fromqstr(d->fi.absoluteFilePath());
+ return os::real_path(absFileName());
}
void FileName::set(string const & name)
{
d->fi.setFile(toqstr(name));
- BOOST_ASSERT(d->fi.isAbsolute());
-#if defined(_WIN32)
- BOOST_ASSERT(!contains(name, '\\'));
-#endif
+ d->name = fromqstr(d->fi.absoluteFilePath());
+ //LYXERR(Debug::FILES, "FileName::set(" << name << ')');
+ LATTEST(empty() || isAbsolute(d->name));
+}
+
+
+void FileName::set(FileName const & rhs, string const & suffix)
+{
+ if (!rhs.d->fi.isDir())
+ d->fi.setFile(rhs.d->fi.filePath() + toqstr(suffix));
+ else
+ d->fi.setFile(QDir(rhs.d->fi.absoluteFilePath()), toqstr(suffix));
+ d->name = fromqstr(d->fi.absoluteFilePath());
+ //LYXERR(Debug::FILES, "FileName::set(" << d->name << ')');
+ LATTEST(empty() || isAbsolute(d->name));
}
void FileName::erase()
{
+ d->name.clear();
d->fi = QFileInfo();
}
-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 << " 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)
+ LYXERR0("FileName::copyTo(): Could not copy file "
+ << *this << " to " << name);
+ return success;
+}
+
+
+bool FileName::renameTo(FileName const & name) const
{
- return QFile::copy(d->fi.absoluteFilePath(), name.d->fi.absoluteFilePath());
+ LYXERR(Debug::FILES, "Renaming " << name << " as " << *this);
+ bool success = QFile::rename(d->fi.absoluteFilePath(), name.d->fi.absoluteFilePath());
+ if (!success)
+ LYXERR0("Could not rename file " << *this << " to " << name);
+ return success;
+}
+
+
+bool FileName::moveTo(FileName const & name) const
+{
+ LYXERR(Debug::FILES, "Moving " << name << " to " << *this);
+ QFile::remove(name.d->fi.absoluteFilePath());
+
+ bool success = QFile::rename(d->fi.absoluteFilePath(),
+ name.d->fi.absoluteFilePath());
+ if (!success)
+ LYXERR0("Could not move file " << *this << " to " << name);
+ return success;
+}
+
+
+bool FileName::changePermission(unsigned long int mode) const
+{
+#if defined (HAVE_CHMOD) && defined (HAVE_MODE_T)
+ if (::chmod(toFilesystemEncoding().c_str(), mode_t(mode)) != 0) {
+ LYXERR0("File " << *this << ": cannot change permission to "
+ << mode << ".");
+ return false;
+ }
+#endif
+ return true;
}
string FileName::toFilesystemEncoding() const
{
+ // This doesn't work on Windows for non ascii file names.
QByteArray const encoded = QFile::encodeName(d->fi.absoluteFilePath());
return string(encoded.begin(), encoded.end());
}
+string FileName::toSafeFilesystemEncoding(os::file_access how) const
+{
+ // This will work on Windows for non ascii file names.
+ QString const safe_path =
+ toqstr(os::safe_internal_path(absFileName(), how));
+ QByteArray const encoded = QFile::encodeName(safe_path);
+ return string(encoded.begin(), encoded.end());
+}
+
+
FileName FileName::fromFilesystemEncoding(string const & name)
{
QByteArray const encoded(name.c_str(), name.length());
bool FileName::exists() const
{
- return d->fi.exists();
+ return !empty() && d->fi.exists();
}
bool FileName::isSymLink() const
{
- return d->fi.isSymLink();
+ return !empty() && d->fi.isSymLink();
}
+//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);
return d->fi.size() == 0;
}
bool FileName::isDirectory() const
{
- return d->fi.isDir();
+ return !empty() && d->fi.isDir();
}
bool FileName::isReadOnly() const
{
+ LASSERT(!empty(), return true);
return d->fi.isReadable() && !d->fi.isWritable();
}
bool FileName::isReadableDirectory() const
{
- return d->fi.isDir() && d->fi.isReadable();
+ return isDirectory() && d->fi.isReadable();
+}
+
+
+string FileName::onlyFileName() const
+{
+ return fromqstr(d->fi.fileName());
+}
+
+
+string FileName::onlyFileNameWithoutExt() const
+{
+ return fromqstr(d->fi.completeBaseName());
+}
+
+
+string FileName::extension() const
+{
+ return fromqstr(d->fi.suffix());
}
-std::string FileName::onlyFileName() const
+bool FileName::hasExtension(const string & ext)
{
- return support::onlyFilename(absFilename());
+ return Private::isFilesystemEqual(d->fi.suffix(), toqstr(ext));
}
FileName FileName::onlyPath() const
{
- return FileName(support::onlyPath(absFilename()));
+ FileName path;
+ if (empty())
+ return path;
+ path.d->fi.setFile(d->fi.path());
+ path.d->name = fromqstr(path.d->fi.absoluteFilePath());
+ return path;
+}
+
+
+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 d->fi.isFile() && d->fi.isReadable();
+ return !empty() && d->fi.isFile() && d->fi.isReadable();
}
bool FileName::isWritable() const
{
- return d->fi.isWritable();
+ return !empty() && d->fi.isWritable();
}
bool FileName::isDirWritable() const
{
- LYXERR(Debug::FILES, "isDirWriteable: " << *this);
+ LASSERT(isDirectory(), return false);
+ QFileInfo tmp(QDir(d->fi.absoluteFilePath()), "lyxwritetest");
+ QTemporaryFile qt_tmp(tmp.absoluteFilePath());
+ if (qt_tmp.open()) {
+ LYXERR(Debug::FILES, "Directory " << *this << " is writable");
+ return true;
+ }
+ LYXERR(Debug::FILES, "Directory " << *this << " is not writable");
+ return false;
+}
- FileName const tmpfl(tempName(*this, "lyxwritetest"));
- if (tmpfl.empty())
- return false;
+FileNameList FileName::dirList(string const & ext) const
+{
+ FileNameList dirlist;
+ if (!isDirectory()) {
+ LYXERR0("Directory '" << *this << "' does not exist!");
+ return dirlist;
+ }
- unlink(tmpfl);
- return true;
+ // If the directory is specified without a trailing '/', absoluteDir()
+ // would return the parent dir, so we must use absoluteFilePath() here.
+ QDir dir = d->fi.absoluteFilePath();
+
+ if (!ext.empty()) {
+ QString filter;
+ switch (ext[0]) {
+ case '.': filter = "*" + toqstr(ext); break;
+ case '*': filter = toqstr(ext); break;
+ default: filter = "*." + toqstr(ext);
+ }
+ dir.setNameFilters(QStringList(filter));
+ LYXERR(Debug::FILES, "filtering on extension "
+ << fromqstr(filter) << " is requested.");
+ }
+
+ QFileInfoList list = dir.entryInfoList();
+ for (int i = 0; i != list.size(); ++i) {
+ FileName fi(fromqstr(list.at(i).absoluteFilePath()));
+ dirlist.push_back(fi);
+ LYXERR(Debug::FILES, "found file " << fi);
+ }
+
+ return dirlist;
}
-FileName FileName::tempName(FileName const & dir, std::string const & mask)
+FileName FileName::getcwd()
{
- return support::tempName(dir, mask);
+ // return makeAbsPath("."); would create an infinite loop
+ QFileInfo fi(".");
+ return FileName(fromqstr(fi.absoluteFilePath()));
}
-std::time_t FileName::lastModified() const
+FileName FileName::tempPath()
{
+ return FileName(os::internal_path(fromqstr(QDir::tempPath())));
+}
+
+
+void FileName::refresh() const
+{
+ d->refresh();
+}
+
+
+time_t FileName::lastModified() const
+{
+ // QFileInfo caches information about the file. So, in case this file has
+ // been touched between the object creation and now, we refresh the file
+ // information.
+ d->refresh();
return d->fi.lastModified().toTime_t();
}
+bool FileName::chdir() const
+{
+ return QDir::setCurrent(d->fi.absoluteFilePath());
+}
+
+
+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;
+
+ if (!exists()) {
+ //LYXERR0("File \"" << absFileName() << "\" does not exist!");
+ return result;
+ }
+ // a directory may be passed here so we need to test it. (bug 3622)
+ if (isDirectory()) {
+ LYXERR0('"' << absFileName() << "\" is a directory!");
+ return result;
+ }
+
+ // This is used in the debug output at the end of the method.
+ static QTime t;
+ if (lyxerr.debugging(Debug::FILES))
+ t.restart();
+
+#if QT_VERSION >= 0x999999
+ // First version of checksum uses Qt4.4 mmap support.
+ // 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
+ // QAbstractFileEngine::MapExtension)
+ QFile qf(fi.filePath());
+ if (!qf.open(QIODevice::ReadOnly))
+ return result;
+ qint64 size = fi.size();
+ uchar * ubeg = qf.map(0, size);
+ uchar * uend = ubeg + size;
+ boost::crc_32_type ucrc;
+ ucrc.process_block(ubeg, uend);
+ qf.unmap(ubeg);
+ qf.close();
+ result = ucrc.checksum();
+
+#else // QT_VERSION
+
+ string const encoded = toSafeFilesystemEncoding();
+ char const * file = encoded.c_str();
+
+ #ifdef SUM_WITH_MMAP
+ //LYXERR(Debug::FILES, "using mmap (lightning fast)");
+
+ int fd = open(file, O_RDONLY);
+ if (!fd)
+ return result;
+
+ struct stat 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);
+ // Some platforms have the wrong type for MAP_FAILED (compaq cxx).
+ if (mm == reinterpret_cast<void*>(MAP_FAILED)) {
+ close(fd);
+ return result;
+ }
+
+ char * beg = static_cast<char*>(mm);
+ char * end = beg + info.st_size;
+
+ boost::crc_32_type crc;
+ crc.process_block(beg, end);
+ result = crc.checksum();
+
+ munmap(mm, info.st_size);
+ close(fd);
+
+ #else // no SUM_WITH_MMAP
+ result = checksum_ifstream_fallback(file);
+ #endif // SUM_WITH_MMAP
+#endif // QT_VERSION
+
+ LYXERR(Debug::FILES, "Checksumming \"" << absFileName() << "\" "
+ << result << " lasted " << t.elapsed() << " ms.");
+ return result;
+}
+
+
+bool FileName::removeFile() const
+{
+ bool const success = QFile::remove(d->fi.absoluteFilePath());
+ d->refresh();
+ if (!success && exists())
+ LYXERR0("Could not delete file " << *this);
+ return success;
+}
+
+
static bool rmdir(QFileInfo const & fi)
{
QDir dir(fi.absoluteFilePath());
QFileInfoList list = dir.entryInfoList();
- bool global_success = true;
- for (int i = 0; i < list.size(); ++i) {
+ bool success = true;
+ for (int i = 0; i != list.size(); ++i) {
if (list.at(i).fileName() == ".")
continue;
if (list.at(i).fileName() == "..")
continue;
- bool success;
+ bool removed;
if (list.at(i).isDir()) {
- LYXERR(Debug::FILES, "Erasing dir "
- << fromqstr(list.at(i).absoluteFilePath()) << endl);
- success = rmdir(list.at(i));
+ LYXERR(Debug::FILES, "Removing dir "
+ << fromqstr(list.at(i).absoluteFilePath()));
+ removed = rmdir(list.at(i));
}
else {
- LYXERR(Debug::FILES, "Erasing file "
- << fromqstr(list.at(i).absoluteFilePath()) << endl);
- success = dir.remove(list.at(i).fileName());
+ LYXERR(Debug::FILES, "Removing file "
+ << fromqstr(list.at(i).absoluteFilePath()));
+ removed = dir.remove(list.at(i).fileName());
}
- if (!success) {
- global_success = false;
- lyxerr << "Could not delete "
- << fromqstr(list.at(i).absoluteFilePath()) << "." << endl;
+ if (!removed) {
+ success = false;
+ LYXERR0("Could not delete "
+ << fromqstr(list.at(i).absoluteFilePath()));
}
}
QDir parent = fi.absolutePath();
- global_success |= parent.rmdir(fi.fileName());
- return global_success;
+ success &= parent.rmdir(fi.fileName());
+ return success;
}
{
bool const success = rmdir(d->fi);
if (!success)
- lyxerr << "Could not delete " << *this << "." << endl;
+ LYXERR0("Could not delete " << *this);
return success;
}
+// Only used in non Win32 platforms
+static int mymkdir(char const * pathname, unsigned long int mode)
+{
+ // FIXME: why don't we have mode_t in lyx::mkdir prototype ??
+#if HAVE_MKDIR
+# if MKDIR_TAKES_ONE_ARG
+ // MinGW32
+ return ::mkdir(pathname);
+ // FIXME: "Permissions of created directories are ignored on this system."
+# else
+ // POSIX
+ return ::mkdir(pathname, mode_t(mode));
+# endif
+#elif defined(_WIN32)
+ // plain Windows 32
+ return CreateDirectory(pathname, 0) != 0 ? 0 : -1;
+ // FIXME: "Permissions of created directories are ignored on this system."
+#elif HAVE__MKDIR
+ return ::_mkdir(pathname);
+ // FIXME: "Permissions of created directories are ignored on this system."
+#else
+# error "Don't know how to create a directory on this system."
+#endif
+
+}
+
+
bool FileName::createDirectory(int permission) const
{
- BOOST_ASSERT(!empty());
- return mkdir(*this, permission) == 0;
+ LASSERT(!empty(), return false);
+#ifdef Q_OS_WIN32
+ // FIXME: "Permissions of created directories are ignored on this system."
+ return createPath();
+#else
+ return mymkdir(toFilesystemEncoding().c_str(), permission) == 0;
+#endif
}
-std::vector<FileName> FileName::dirList(std::string const & ext)
+bool FileName::createPath() const
{
- std::vector<FileName> dirlist;
- if (!exists() || !isDirectory()) {
- lyxerr << "FileName::dirList(): Directory \"" << absFilename()
- << "\" does not exist!" << endl;
- return dirlist;
- }
-
- QDir dir(d->fi.absoluteFilePath());
+ LASSERT(!empty(), return false);
+ LYXERR(Debug::FILES, "creating path '" << *this << "'.");
+ if (isDirectory())
+ return false;
- if (!ext.empty()) {
- QString filter;
- switch (ext[0]) {
- case '.': filter = "*" + toqstr(ext); break;
- case '*': filter = toqstr(ext); break;
- default: filter = "*." + toqstr(ext);
- }
- dir.setNameFilters(QStringList(filter));
- LYXERR(Debug::FILES, "FileName::dirList(): filtering on extension "
- << fromqstr(filter) << " is requested." << endl);
- }
+ QDir dir;
+ bool success = dir.mkpath(d->fi.absoluteFilePath());
+ if (!success)
+ LYXERR0("Cannot create path '" << *this << "'!");
+ return success;
+}
- QFileInfoList list = dir.entryInfoList();
- for (int i = 0; i < list.size(); ++i) {
- FileName fi;
- fi.d->fi = list.at(i);
- dirlist.push_back(fi);
- LYXERR(Debug::FILES, "FileName::dirList(): found file "
- << fi.absFilename() << endl);
- }
- return dirlist;
+docstring const FileName::absoluteFilePath() const
+{
+ return qstring_to_ucs4(d->fi.absoluteFilePath());
}
docstring FileName::displayName(int threshold) const
{
- return makeDisplayPath(absFilename(), threshold);
+ return makeDisplayPath(absFileName(), threshold);
}
-string FileName::fileContents() const
+docstring FileName::fileContents(string const & encoding) const
{
- if (exists()) {
- string const encodedname = toFilesystemEncoding();
- ifstream ifs(encodedname.c_str());
- ostringstream ofs;
- if (ifs && ofs) {
- ofs << ifs.rdbuf();
- ifs.close();
- return ofs.str();
- }
+ if (!isReadableFile()) {
+ LYXERR0("File '" << *this << "' is not readable!");
+ return docstring();
}
- lyxerr << "LyX was not able to read file '" << *this << '\'' << std::endl;
- return string();
-}
-
-
-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";
+ QFile file(d->fi.absoluteFilePath());
+ if (!file.open(QIODevice::ReadOnly)) {
+ LYXERR0("File '" << *this
+ << "' could not be opened in read only mode!");
+ return docstring();
+ }
+ QByteArray contents = file.readAll();
+ file.close();
- else if (contains(str, "JFIF"))
- format = "jpg";
+ if (contents.isEmpty()) {
+ LYXERR(Debug::FILES, "File '" << *this
+ << "' is either empty or some error happened while reading it.");
+ return docstring();
+ }
- else if (contains(str, "%PDF"))
- format = "pdf";
+ QString s;
+ 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")
+ s = QString::fromLatin1(contents.data());
- else if (contains(str, "PNG"))
- format = "png";
+ return qstring_to_ucs4(s);
+}
- 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";
+void FileName::changeExtension(string const & extension)
+{
+ // FIXME: use Qt native methods...
+ string const oldname = absFileName();
+ string::size_type const last_slash = oldname.rfind('/');
+ string::size_type last_dot = oldname.rfind('.');
+ if (last_dot < last_slash && last_slash != string::npos)
+ last_dot = string::npos;
- else if (contains(str, "XPM") || contains(str, "static char *"))
- format = "xpm";
+ string ext;
+ // Make sure the extension starts with a dot
+ if (!extension.empty() && extension[0] != '.')
+ ext= '.' + extension;
+ else
+ ext = extension;
- else if (contains(str, "BITPIX"))
- format = "fits";
- }
+ set(oldname.substr(0, last_dot) + ext);
+}
- 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();
+docstring const FileName::relPath(string const & path) const
+{
+ // FIXME UNICODE
+ return makeRelPath(absoluteFilePath(), from_utf8(path));
}
-bool FileName::isZippedFile() const
+// Note: According to Qt, QFileInfo::operator== is undefined when
+// both files do not exist (Qt4.5 gives true for all non-existent
+// files, while Qt4.4 compares the filenames).
+// see:
+// http://www.qtsoftware.com/developer/task-tracker/
+// index_html?id=248471&method=entry.
+bool equivalent(FileName const & l, FileName const & r)
{
- string const type = guessFormatFromContents();
- return contains("gzip zip compress", type) && !type.empty();
+ // FIXME: In future use Qt.
+ // Qt 4.4: We need to solve this warning from Qt documentation:
+ // * Long and short file names that refer to the same file on Windows are
+ // treated as if they referred to different files.
+ // This is supposed to be fixed for Qt5.
+ FileName const lhs(os::internal_path(l.absFileName()));
+ FileName const rhs(os::internal_path(r.absFileName()));
+
+ if (lhs.empty())
+ // QFileInfo::operator==() returns false if the two QFileInfo are empty.
+ return rhs.empty();
+
+ if (rhs.empty())
+ // Avoid unnecessary checks below.
+ return false;
+
+ lhs.d->refresh();
+ rhs.d->refresh();
+
+ if (!lhs.d->fi.isSymLink() && !rhs.d->fi.isSymLink()) {
+ // Qt already checks if the filesystem is case sensitive or not.
+ // see note above why the extra check with fileName is needed.
+ return lhs.d->fi == rhs.d->fi
+ && lhs.d->fi.fileName() == rhs.d->fi.fileName();
+ }
+
+ // FIXME: When/if QFileInfo support symlink comparison, remove this code.
+ QFileInfo fi1(lhs.d->fi);
+ if (fi1.isSymLink())
+ fi1 = QFileInfo(fi1.symLinkTarget());
+ QFileInfo fi2(rhs.d->fi);
+ if (fi2.isSymLink())
+ fi2 = QFileInfo(fi2.symLinkTarget());
+ // see note above why the extra check with fileName is needed.
+ return fi1 == fi2 && fi1.fileName() == fi2.fileName();
}
bool operator==(FileName const & lhs, FileName const & rhs)
{
- return lhs.absFilename() == rhs.absFilename();
+ return os::isFilesystemCaseSensitive()
+ ? lhs.absFileName() == rhs.absFileName()
+ : !QString::compare(toqstr(lhs.absFileName()),
+ toqstr(rhs.absFileName()), Qt::CaseInsensitive);
}
bool operator!=(FileName const & lhs, FileName const & rhs)
{
- return lhs.absFilename() != rhs.absFilename();
+ return !(operator==(lhs, rhs));
}
bool operator<(FileName const & lhs, FileName const & rhs)
{
- return lhs.absFilename() < rhs.absFilename();
+ return lhs.absFileName() < rhs.absFileName();
}
bool operator>(FileName const & lhs, FileName const & rhs)
{
- return lhs.absFilename() > rhs.absFilename();
+ return lhs.absFileName() > rhs.absFileName();
}
-std::ostream & operator<<(std::ostream & os, FileName const & filename)
+ostream & operator<<(ostream & os, FileName const & filename)
{
- return os << filename.absFilename();
+ return os << filename.absFileName();
}
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)
{}
void DocFileName::set(string const & name, string const & buffer_path)
{
- save_abs_path_ = absolutePath(name);
- FileName::set(save_abs_path_ ? name : makeAbsPath(name, buffer_path).absFilename());
- zipped_valid_ = false;
+ save_abs_path_ = isAbsolute(name);
+ if (save_abs_path_)
+ FileName::set(name);
+ else
+ FileName::set(makeAbsPath(name, buffer_path).absFileName());
}
void DocFileName::erase()
{
FileName::erase();
- zipped_valid_ = false;
}
-string const DocFileName::relFilename(string const & path) const
+string DocFileName::relFileName(string const & path) const
{
// FIXME UNICODE
- return to_utf8(makeRelPath(qstring_to_ucs4(d->fi.absoluteFilePath()), from_utf8(path)));
+ return to_utf8(relPath(path));
}
-string const DocFileName::outputFilename(string const & path) const
+string DocFileName::outputFileName(string const & path) const
{
- return save_abs_path_ ? absFilename() : relFilename(path);
+ return save_abs_path_ ? absFileName() : relFileName(path);
}
-string const DocFileName::mangledFilename(std::string const & dir) const
+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;
- MangledMap::const_iterator const it = mangledNames.find(absFilename());
+ 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;
- string const name = absFilename();
+ string const name = absFileName();
// Now the real work
string mname = os::internal_path(name);
// Remove the extension.
- mname = changeExtension(name, string());
+ mname = support::changeExtension(name, string());
// The mangled name must be a valid LaTeX name.
// The list of characters to keep is probably over-restrictive,
// but it is not really a problem.
// 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++] = '_';
// Add the extension back on
- mname = changeExtension(mname, getExtension(name));
+ mname = support::changeExtension(mname, getExtension(name));
// Prepend a counter to the filename. This is necessary to make
// the mangled name unique.
static int counter = 0;
- std::ostringstream s;
+ ostringstream s;
s << counter++ << mname;
mname = s.str();
// If dir.size() > max length, all bets are off for YAP. We truncate
// the filename nevertheless, keeping a minimum of 10 chars.
- string::size_type max_length = std::max(100 - ((int)dir.size() + 1), 10);
+ string::size_type max_length = max(100 - ((int)dir.size() + 1), 10);
// If the mangled file name is too long, hack it to fit.
// We know we're guaranteed to have a unique file name because
}
}
- mangledNames[absFilename()] = mname;
+ mangledNames[absFileName()] = mname;
return mname;
}
-bool DocFileName::isZipped() const
-{
- if (!zipped_valid_) {
- zipped_ = isZippedFile();
- zipped_valid_ = true;
- }
- return zipped_;
-}
-
-
-string const DocFileName::unzippedFilename() const
+string DocFileName::unzippedFileName() const
{
- return unzippedFileName(absFilename());
+ return support::unzippedFileName(absFileName());
}
bool operator==(DocFileName const & lhs, DocFileName const & rhs)
{
- return lhs.absFilename() == rhs.absFilename()
+ return static_cast<FileName const &>(lhs)
+ == static_cast<FileName const &>(rhs)
&& lhs.saveAbsPath() == rhs.saveAbsPath();
}
projects / lyx.git / blobdiff