Less expensive OP first as this might be called often.

[lyx.git] / src / support / FileName.cpp

diff --git a/src/support/FileName.cpp b/src/support/FileName.cpp
index 4e075f2ed81fc064ddf034ae38b92513c11b1761..32a5862fdb6568bc91cd22670ce6e4b1c0780445 100644 (file)
--- a/src/support/FileName.cpp
+++ b/src/support/FileName.cpp
@@ -22,7 +22,6 @@
 #include "support/Package.h"
 #include "support/qstring_helpers.h"
 
-#include <QCryptographicHash>
 #include <QDateTime>
 #include <QDir>
 #include <QFile>
@@ -35,7 +34,7 @@
 #include <QThread>
 #endif
 
-#include <boost/crc.hpp>
+#include "support/checksum.h"
 
 #include <algorithm>
 #include <iterator>
@@ -519,7 +518,12 @@ time_t FileName::lastModified() const
        // 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
+       
 }
 
 
@@ -537,20 +541,14 @@ bool FileName::link(FileName const & name) const
 
 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;
+               return 0;
+       return support::checksum(ifs);
 }
 
+
 unsigned long FileName::checksum() const
 {
        if (!exists()) {
@@ -583,11 +581,9 @@ unsigned long FileName::checksum() const
        qint64 size = fi.size();
        uchar * ubeg = qf.map(0, size);
        uchar * uend = ubeg + size;
-       boost::crc_32_type ucrc;
-       ucrc.process_block(ubeg, uend);
+       result = support::checksum(ubeg, uend);
        qf.unmap(ubeg);
        qf.close();
-       result = ucrc.checksum();
 
 #else // QT_VERSION
 
@@ -616,12 +612,10 @@ unsigned long FileName::checksum() const
                return 0;
        }
 
-       char * beg = static_cast<char*>(mm);
-       char * end = beg + info.st_size;
+       unsigned char * beg = static_cast<unsigned char*>(mm);
+       unsigned char * end = beg + info.st_size;
 
-       boost::crc_32_type crc;
-       crc.process_block(beg, end);
-       result = crc.checksum();
+       result = support::checksum(beg, end);
 
        munmap(mm, info.st_size);
        close(fd);
@@ -784,11 +778,7 @@ docstring FileName::fileContents(string const & encoding) const
        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")
@@ -818,6 +808,19 @@ void FileName::changeExtension(string const & extension)
 }
 
 
+void FileName::ensureExtension(string const & extension)
+{
+       string ext;
+       // Make sure the extension starts with a dot
+       if (!extension.empty() && extension[0] != '.')
+               ext= '.' + extension;
+       else
+               ext = extension;
+       if (!suffixIs(ascii_lowercase(absFileName()), ext))
+               set(absFileName() + ext);
+}
+
+
 docstring const FileName::relPath(string const & path) const
 {
        // FIXME UNICODE
@@ -979,31 +982,11 @@ string DocFileName::mangledFileName(string const & dir, bool use_counter, bool e
        // Now the real work. Remove the extension.
        string mname = support::changeExtension(name, string());
 
-       if (encrypt_path) {
-               QString qname = toqstr(mname);
-#if QT_VERSION >= 0x050000
-               QByteArray hash  = QCryptographicHash::hash(qname.toLocal8Bit(),QCryptographicHash::Sha256);
-#else
-               QByteArray hash  = QCryptographicHash::hash(qname.toLocal8Bit(),QCryptographicHash::Sha1);
-#endif
-               hash = hash.toHex();
-               mname = fromqstr(QString(hash));
-               mname = mname + "_" + onlyFileName();
-               }
+       if (encrypt_path)
+               mname = "export_" + onlyFileName() + "_" + toHexHash(mname);
 
        // 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.
-       // Apart from non-ASCII characters, at least the following characters
-       // are forbidden: '/', '.', ' ', and ':'.
-       // On windows it is not possible to create files with '<', '>' or '?'
-       // in the name.
-       static string const keep = "abcdefghijklmnopqrstuvwxyz"
-                                  "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-                                  "+-0123456789;=";
-       string::size_type pos = 0;
-       while ((pos = mname.find_first_not_of(keep, pos)) != string::npos)
-               mname[pos++] = '_';
+       mname = sanitizeFileName(mname);
        // Add the extension back on
        mname = support::changeExtension(mname, getExtension(name));