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https://github.com/ondra-novak/gates_of_skeldal.git
synced 2025-07-05 06:00:33 -04:00
97 lines
3 KiB
C++
97 lines
3 KiB
C++
#include "platform.h"
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#include <cstdarg>
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#include <filesystem>
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#include "../libs/logfile.h"
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std::filesystem::path break_and_compose_path(const std::string_view &pathname, char sep) {
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auto p = pathname.rfind(sep);
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if (p == pathname.npos) {
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if (pathname == "." || pathname == "..") return std::filesystem::canonical(".");
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else if (pathname.empty()) return std::filesystem::current_path().root_path();
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else if (pathname == std::filesystem::current_path().root_name())
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return pathname;
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else return std::filesystem::current_path()/pathname;
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}
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return break_and_compose_path(pathname.substr(0,p), sep) / pathname.substr(p+1);
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}
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std::filesystem::path convert_pathname_to_path(const std::string_view &pathname) {
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auto p = pathname.find('\\');
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if (p == pathname.npos) {
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p = pathname.find('/');
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if (p == pathname.npos) {
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return std::filesystem::current_path()/pathname;
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}
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return break_and_compose_path(pathname, '/');
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}
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return break_and_compose_path(pathname, '\\');
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}
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std::filesystem::path try_to_find_file(const std::filesystem::path &p) {
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if (!std::filesystem::exists(p)) {
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std::filesystem::path parent;
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if (p.has_relative_path()) {
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parent = try_to_find_file(p.parent_path());
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}
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if (std::filesystem::exists(parent)) {
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auto iter = std::filesystem::directory_iterator(parent);
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auto end = std::filesystem::directory_iterator();
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std::filesystem::path n = p.filename();
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while (iter != end) {
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const std::filesystem::directory_entry &e = *iter;
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auto fn = e.path().filename();
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if (stricmp(n.c_str(), fn.c_str()) == 0) {
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return e.path();
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}
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++iter;
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}
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}
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return p;
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}
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else return p;
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}
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char check_file_exists(const char *pathname) {
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std::filesystem::path path = try_to_find_file(convert_pathname_to_path(pathname));
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return std::filesystem::exists(path)?1:0;
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}
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FILE *fopen_icase(const char *pathname, const char *mode) {
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std::filesystem::path path = try_to_find_file(convert_pathname_to_path(pathname));
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return fopen(path.c_str(), mode);
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}
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static thread_local std::string build_pathname_buffer;
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const char * build_pathname(size_t nparts, const char *part1, ...) {
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va_list lst;
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va_start(lst, part1);
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std::filesystem::path p = part1;
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for (size_t i = 1; i < nparts; ++i) {
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p = p / va_arg(lst, const char *);
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}
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build_pathname_buffer = p;
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SEND_LOG("(BUILD_PATHNAME) %s", build_pathname_buffer.c_str());
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return build_pathname_buffer.c_str();
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}
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char create_directories(const char *path) {
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std::filesystem::path p(path);
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std::error_code ec;
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return std::filesystem::create_directories(p, ec)?1:0;
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}
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char change_current_directory(const char *path) {
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std::error_code ec;
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std::filesystem::current_path(std::filesystem::path(path), ec);
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return ec == std::error_code{}?1:0;
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}
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