BLT/include/blt/fs/loader.h

86 lines
2.6 KiB
C++

/*
* Created by Brett on 08/02/23.
* Licensed under GNU General Public License V3.0
* See LICENSE file for license detail
*/
#ifndef BLT_TESTS_LOADER_H
#define BLT_TESTS_LOADER_H
#include <fstream>
#include <ios>
#include <vector>
#include <unordered_map>
#include <string>
#include <blt/std/string.h>
#include <blt/std/logging.h>
#include <unordered_set>
namespace blt::fs
{
struct include_guard
{
char open = '<';
char close = '>';
};
std::string getFile(std::string_view path);
std::vector<std::string> getLinesFromFile(std::string_view path);
/**
* Recursively include files
* @param path initial file to load
* @param include_header the beginning of the line that should be used to recognize when a line is to be treated as an include
* @param guards characters used to identify the parts that specify the file path. if empty it will assume everything after the include header
* @return a list of lines in all files. added together in order.
*/
std::vector<std::string> recursiveInclude(std::string_view path, const std::string& include_header = "#include",
const std::vector<include_guard>& guards = {{'<', '>'}, {'"', '"'}});
static inline std::string loadBrainFuckFile(const std::string& path)
{
std::string buffer;
auto lines = recursiveInclude(path, "~", {});
for (auto& line : lines)
{
buffer += line;
buffer += '\n';
}
return buffer;
}
static inline std::string loadShaderFile(std::string_view path)
{
std::stringstream stringStream;
auto lines = recursiveInclude(path);
for (const auto& line : lines)
{
// now process the defines, if they exist
// if (line.starts_with("#define")) {
// auto defineParts = String::split(line, " ");
// // create a new define statement in the defines place but with the respective value.
// if (defines.contains(defineParts[1])) {
// stringStream << "#define ";
// stringStream << defineParts[1] << " ";
// stringStream << defines[defineParts[1]];
// stringStream << "\n";
// continue;
// }
// }
stringStream << line;
stringStream << "\n";
}
//tlog << stringStream.str();
return stringStream.str();
}
}
#endif //BLT_TESTS_LOADER_H