-// -*- C++-*-
+// -*- C++ -*-
/**
* \file filename.h
* This file is part of LyX, the document processor.
*
* \author Angus Leeming
*
- * Full author contact details are available in file CREDITS
+ * Full author contact details are available in file CREDITS.
*/
#ifndef FILENAME_H
#define FILENAME_H
-#include "LString.h"
+#include <string>
namespace lyx {
class FileName {
public:
FileName();
+ /** \param abs_filename the file in question. Must have an absolute path.
+ * \param save_abs_path how is the file to be output to file?
+ */
+ FileName(std::string const & abs_filename, bool save_abs_path = true);
/** \param filename the file in question. May have either a relative
- or an absolute path.
- \param buffer_path if \c filename has a relative path, generate
- the absolute path using this.
+ * or an absolute path.
+ * \param buffer_path if \c filename has a relative path, generate
+ * the absolute path using this.
*/
- void set(string const & filename, string const & buffer_path);
+ void set(std::string const & filename, std::string const & buffer_path);
void erase();
bool empty() const { return name_.empty(); }
bool saveAbsPath() const { return save_abs_path_; }
- string const absFilename() const { return name_; }
+ std::string const absFilename() const { return name_; }
/// \param buffer_path if empty, uses `pwd`
- string const relFilename(string const & buffer_path = string()) const;
+ std::string const relFilename(std::string const & buffer_path = std::string()) const;
/// \param buf_path if empty, uses `pwd`
- string const outputFilename(string const & buf_path = string()) const;
+ std::string const outputFilename(std::string const & buf_path = std::string()) const;
+
+ /** @returns a mangled representation of the absolute file name
+ * suitable for use in the temp dir when, for example, converting
+ * an image file to another format.
+ *
+ * @param dir the directory that will contain this file with
+ * its mangled name. This information is used by the mangling
+ * algorithm when determining the maximum allowable length of
+ * the mangled name.
+ *
+ * An example of a mangled name:
+ * C:/foo bar/baz.eps -> 0C__foo_bar_baz.eps
+ *
+ * It is guaranteed that
+ * - two different filenames have different mangled names
+ * - two FileName instances with the same filename have identical
+ * mangled names.
+ *
+ * Only the mangled file name is returned. It is not prepended
+ * with @c dir.
+ */
+ std::string const
+ mangledFilename(std::string const & dir = std::string()) const;
+
+ /// \return true if the file is compressed.
+ bool isZipped() const;
+ /// \return the absolute file name without its .gz, .z, .Z extension
+ std::string const unzippedFilename() const;
private:
- string name_;
+ std::string name_;
bool save_abs_path_;
+ /// Cache for isZipped() because zippedFile() is expensive
+ mutable bool zipped_;
+ /// Is zipped_ valid?
+ mutable bool zipped_valid_;
};