#include <map>
#include <sstream>
+#include <fstream>
#include <algorithm>
using std::map;
using std::string;
+using std::ifstream;
+using std::ostringstream;
+using std::endl;
+
+namespace fs = boost::filesystem;
+
+// FIXME: merge this
+//
+#include <boost/filesystem/config.hpp>
+#include <boost/detail/workaround.hpp>
+#include <boost/throw_exception.hpp>
+
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+# include <sys/stat.h>
+#endif
+#include <cerrno>
+#include <fcntl.h>
+
+
+// BOOST_POSIX or BOOST_WINDOWS specify which API to use.
+# if !defined( BOOST_WINDOWS ) && !defined( BOOST_POSIX )
+# if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) || defined(__CYGWIN__)
+# define BOOST_WINDOWS
+# else
+# define BOOST_POSIX
+# endif
+# endif
+
+#if defined (BOOST_WINDOWS)
+# define WIN32_LEAN_AND_MEAN
+# include <windows.h>
+#endif
+
+
+static bool copy_file(std::string const & source, std::string const & target, bool noclobber)
+{
+
+#ifdef BOOST_POSIX
+ int const infile = ::open(source.c_str(), O_RDONLY);
+ if (infile == -1)
+ return false;
+
+ struct stat source_stat;
+ int const ret = ::fstat(infile, &source_stat);
+ if (ret == -1) {
+ //int err = errno;
+ ::close(infile);
+ }
+
+ int const flags = O_WRONLY | O_CREAT | (noclobber ? O_EXCL : O_TRUNC);
+
+ int const outfile = ::open(target.c_str(), flags, source_stat.st_mode);
+ if (outfile == -1) {
+ int err = errno;
+ ::close(infile);
+ return false;
+ }
+
+ std::size_t const buf_sz = 32768;
+ char buf[buf_sz];
+ ssize_t in = -1;
+ ssize_t out = -1;
+
+ while (true) {
+ in = ::read(infile, buf, buf_sz);
+ if (in == -1) {
+ break;
+ } else if (in == 0) {
+ break;
+ } else {
+ out = ::write(outfile, buf, in);
+ if (out == -1) {
+ break;
+ }
+ }
+ }
+
+ int err = errno;
+
+ ::close(infile);
+ ::close(outfile);
+
+ if (in == -1 || out == -1)
+ return false;
+#endif
+
+#ifdef BOOST_WINDOWS
+ if (::CopyFile(source.c_str(), target.c_str(), noclobber) == 0) {
+ // CopyFile is probably not setting errno so this is most
+ // likely wrong.
+ return false;
+ }
+#endif
+}
namespace lyx {
namespace support {
}
+bool FileName::copyTo(FileName const & name, bool noclobber) const
+{
+ try {
+ copy_file(toFilesystemEncoding(), name.toFilesystemEncoding(), noclobber);
+ return true;
+ }
+ catch (...) {
+ }
+ return false;
+}
+
+
string FileName::toFilesystemEncoding() const
{
QByteArray const encoded = QFile::encodeName(toqstr(name_));
}
+std::string FileName::onlyFileName() const
+{
+ return support::onlyFilename(absFilename());
+}
+
+
+std::string FileName::onlyPath() const
+{
+ return support::onlyPath(absFilename());
+}
+
+
bool FileName::isFileReadable() const
{
QFileInfo const fi(toqstr(name_));
std::time_t FileName::lastModified() const
{
- return boost::filesystem::last_write_time(toFilesystemEncoding());
+ return fs::last_write_time(toFilesystemEncoding());
+}
+
+
+bool FileName::destroyDirectory() const
+{
+ try {
+ return fs::remove_all(toFilesystemEncoding()) > 0;
+ } catch (fs::filesystem_error const & fe){
+ lyxerr << "Could not delete " << *this << ". (" << fe.what() << ")"
+ << std::endl;
+ return false;
+ }
+}
+
+
+bool FileName::createDirectory(int permission) const
+{
+ BOOST_ASSERT(!empty());
+ return mkdir(*this, permission) == 0;
+}
+
+
+docstring FileName::displayName(int threshold) const
+{
+ return makeDisplayPath(absFilename(), threshold);
+}
+
+
+string FileName::fileContents() 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();
+ }
+ }
+ 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() || !isReadable())
+ 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!"
+ << endl;
+ 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";
+ }
+
+ if (!format.empty()) {
+ LYXERR(Debug::GRAPHICS)
+ << "Recognised Fileformat: " << format << endl;
+ return format;
+ }
+
+ LYXERR(Debug::GRAPHICS)
+ << "filetools(getFormatFromContents)\n"
+ << "\tCouldn't find a known format!\n";
+ return string();
+}
+
+
+bool FileName::isZippedFile() const
+{
+ string const type = guessFormatFromContents();
+ return contains("gzip zip compress", type) && !type.empty();
}
bool DocFileName::isZipped() const
{
if (!zipped_valid_) {
- zipped_ = zippedFile(*this);
+ zipped_ = isZippedFile();
zipped_valid_ = true;
}
return zipped_;
bool operator==(DocFileName const & lhs, DocFileName const & rhs)
{
- return lhs.absFilename() == rhs.absFilename() &&
- lhs.saveAbsPath() == rhs.saveAbsPath();
+ return lhs.absFilename() == rhs.absFilename()
+ && lhs.saveAbsPath() == rhs.saveAbsPath();
}
} // namespace support
} // namespace lyx
+
+
+