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/*
This file is part of the MinGfx Project.
Copyright (c) 2017,2018 Regents of the University of Minnesota.
All Rights Reserved.
Original Author(s) of this File:
Dan Keefe, 2018, University of Minnesota
Author(s) of Significant Updates/Modifications to the File:
...
*/
#ifndef SRC_PLATFORM_H_
#define SRC_PLATFORM_H_
#include <string>
#include <vector>
namespace mingfx {
/** Provides access to the underlying file system and other platform-specific
routines.
*/
class Platform {
public:
/// True if filename is found and can be opened for reading on the system
static bool FileExists(const std::string &filename);
/* Looks for a file named basename in each of the paths specified. If found,
the full path to the file is returned. If not found, then basename is returned.
Example:
~~~
std::vector<std::string> search_path;
search_path.push_back(".");
search_path.push_back("./data");
search_path.push_back("./shaders");
search_path.push_back("/usr/local/share/blah/blah/data");
std::string file = Platform::findFile("mydata.csv", search_path);
~~~
*/
static std::string FindFile(const std::string &basename, const std::vector<std::string> &searchpath);
/* Looks for a file named basename in each of the paths specified in a semi-colon
separated list. If found, the full path to the file is returned. If not found,
then basename is returned. Example:
~~~
std::string search_path = ".;./data;./shaders;/usr/local/share/blah/blah/data";
std::string file = Platform::findFile("mydata.csv", search_path);
~~~
*/
static std::string FindFile(const std::string &basename, const std::string &searchpath);
/** Searches for a data file that ships with MinGfx. This will look in the
following locations in order:
1. the current working directory.
2. a subdirectory called data within the current working directory.
3. the installed data directory INSTALL_PREFIX/share/MinGfx-1.0/data.
4. the data directory in the MinGfx build tree.
If the file is found, the full path is returned, else basename is returned.
*/
static std::string FindMinGfxDataFile(const std::string &basename);
/** Searches for a shader file that ships with MinGfx. This will look in the
following locations in order:
1. the current working directory.
2. a subdirectory called shaders within the current working directory.
3. the installed shaders directory INSTALL_PREFIX/share/MinGfx-1.0/shaders.
4. the shaders directory in the MinGfx build tree.
If the file is found, the full path is returned, else basename is returned.
*/
static std::string FindMinGfxShaderFile(const std::string &basename);
private:
};
} // end namespace
#endif
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