#include "support/qstring_helpers.h"
#include <QDir>
+#include <QTemporaryFile>
#include "support/lassert.h"
#include "support/regex.h"
#include <fcntl.h>
+#ifdef HAVE_MAGIC_H
+#include <magic.h>
+#endif
#include <cerrno>
#include <cstdlib>
}
+bool isBinaryFile(FileName const & filename)
+{
+ bool isbinary = false;
+ if (filename.empty() || !filename.exists())
+ return isbinary;
+
+#ifdef HAVE_MAGIC_H
+ magic_t magic_cookie = magic_open(MAGIC_MIME_ENCODING);
+ if (magic_cookie) {
+ bool detected = true;
+ if (magic_load(magic_cookie, NULL) != 0) {
+ LYXERR(Debug::FILES, "isBinaryFile: "
+ "Could not load magic database - "
+ << magic_error(magic_cookie));
+ detected = false;
+ } else {
+ char const *charset = magic_file(magic_cookie,
+ filename.toFilesystemEncoding().c_str());
+ isbinary = contains(charset, "binary");
+ }
+ magic_close(magic_cookie);
+ if (detected)
+ return isbinary;
+ }
+#endif
+ // Try by looking for binary chars at the beginning of the file.
+ // Note that this is formally not correct, since count_bin_chars
+ // expects utf8, and the passed string can be anything: plain text
+ // in any encoding, or really binary data. In practice it works,
+ // since QString::fromUtf8() drops invalid utf8 sequences, and
+ // while the exact number may not be correct, we still get a high
+ // number for truly binary files.
+
+ ifstream ifs(filename.toFilesystemEncoding().c_str());
+ if (!ifs)
+ return isbinary;
+
+ // Maximum strings to read
+ int const max_count = 50;
+
+ // Maximum number of binary chars allowed
+ int const max_bin = 5;
+
+ int count = 0;
+ int binchars = 0;
+ string str;
+ while (count++ < max_count && !ifs.eof()) {
+ getline(ifs, str);
+ binchars += count_bin_chars(str);
+ }
+ return binchars > max_bin;
+}
+
+
string const latex_path(string const & original_path,
latex_path_extension extension,
latex_path_dots dots)
}
+static string createTempFile(QString const & mask)
+{
+ // FIXME: This is not safe. QTemporaryFile creates a file in open(),
+ // but the file is deleted when qt_tmp goes out of scope.
+ // Therefore the next call to createTempFile() may create the
+ // same file again. To make this safe the QTemporaryFile object
+ // needs to be kept for the whole life time of the temp file name.
+ // This could be achieved by creating a class TempDir (like
+ // TempFile, but using a currentlky non-existing
+ // QTemporaryDirectory object).
+ QTemporaryFile qt_tmp(mask + ".XXXXXXXXXXXX");
+ 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();
+}
+
+
static FileName createTmpDir(FileName const & tempdir, string const & mask)
{
LYXERR(Debug::FILES, "createTmpDir: tempdir=`" << tempdir << "'\n"
<< "createTmpDir: mask=`" << mask << '\'');
- FileName const tmpfl = FileName::tempName(tempdir, mask);
+ QFileInfo tmp_fi(QDir(toqstr(tempdir.absFileName())), toqstr(mask));
+ FileName const tmpfl(createTempFile(tmp_fi.absoluteFilePath()));
if (tmpfl.empty() || !tmpfl.createDirectory(0700)) {
LYXERR0("LyX could not create temporary directory in " << tempdir