53 lines
1.2 KiB
C++
53 lines
1.2 KiB
C++
#ifndef FILESYSTEM_H
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#define FILESYSTEM_H
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#include <string>
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#include <cstdlib>
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#include "root_directory.h" // This is a configuration file generated by CMake.
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class FileSystem
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{
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private:
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typedef std::string (*Builder) (const std::string& path);
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public:
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static std::string getPath(const std::string& path)
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{
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static std::string(*pathBuilder)(std::string const &) = getPathBuilder();
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return (*pathBuilder)(path);
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}
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private:
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static std::string const & getRoot()
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{
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static char const * envRoot = getenv("LOGL_ROOT_PATH");
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static char const * givenRoot = (envRoot != nullptr ? envRoot : logl_root);
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static std::string root = (givenRoot != nullptr ? givenRoot : "");
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return root;
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}
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//static std::string(*foo (std::string const &)) getPathBuilder()
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static Builder getPathBuilder()
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{
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if (getRoot() != "")
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return &FileSystem::getPathRelativeRoot;
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else
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return &FileSystem::getPathRelativeBinary;
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}
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static std::string getPathRelativeRoot(const std::string& path)
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{
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return getRoot() + std::string("/") + path;
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}
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static std::string getPathRelativeBinary(const std::string& path)
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{
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return "../../../" + path;
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}
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};
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// FILESYSTEM_H
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#endif
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