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Detect if file is actually a directory in support/lyxsum.cpp, fix bug 3622
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@18449 a592a061-630c-0410-9148-cb99ea01b6c8
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@ -17,12 +17,14 @@
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#include "support/FileName.h"
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#include <boost/crc.hpp>
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#include <boost/filesystem/operations.hpp>
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#include <algorithm>
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using std::endl;
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using std::string;
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namespace fs = boost::filesystem;
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// OK, this is ugly, but it is the only workaround I found to compile
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// with gcc (any version) on a system which uses a non-GNU toolchain.
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@ -126,8 +128,13 @@ unsigned long sum(FileName const & file)
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LYXERR(Debug::FILES) << "lyx::sum() using istreambuf_iterator (fast)"
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<< endl;
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ifstream ifs(file.toFilesystemEncoding().c_str());
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if (!ifs) return 0;
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string filename = file.toFilesystemEncoding();
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// a directory may be passed here so we need to test it. (bug 3622)
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if (fs::is_directory(filename))
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return 0;
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ifstream ifs(filename.c_str());
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if (!ifs)
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return 0;
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istreambuf_iterator<char> beg(ifs);
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istreambuf_iterator<char> end;
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@ -145,8 +152,13 @@ unsigned long sum(FileName const & file)
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<< "lyx::sum() using istream_iterator (slow as a snail)"
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<< endl;
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ifstream ifs(file.toFilesystemEncoding().c_str());
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if (!ifs) return 0;
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string filename = file.toFilesystemEncoding();
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// a directory may be passed here so we need to test it. (bug 3622)
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if (fs::is_directory(filename))
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return 0;
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ifstream ifs(filename.c_str());
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if (!ifs)
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return 0;
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ifs.unsetf(ios::skipws);
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istream_iterator<char> beg(ifs);
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