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Simplify coral::fs interface

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kayomn 2023-02-27 00:17:47 +00:00
parent 13fffacd98
commit be54ad3110
1 changed files with 5 additions and 24 deletions
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29
source/coral/files.cpp
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@ -144,41 +144,22 @@ export namespace coral {
* Platform-generalized file system interface.
*/
struct fs {
/**
* Descriptor of the various rules that the file-system enforces over access to its files.
*/
struct access_rules {
bool can_read;
bool can_write;
};
enum class [[nodiscard]] walk_result {
ok,
not_implemented,
access_denied,
not_found,
io_error,
};
using walker = closure<expected<optional<path>, io_error>()>;
virtual ~fs() {};
virtual walk_result walk_files(path const & target_path, closure<bool(path const &)> const & apply) {
return walk_result::not_implemented;
}
/**
* Queries the file-system for its global [access_rules], returning them.
*
*/
virtual access_rules query_access() = 0;
virtual void walk_files(path const & target_path, closure<void(walker const &)> const & then) {}
/**
* Attempts to read the file in `file_path`, calling `then` if it was successfully opened for reading.
* Attempts to read the file in `target_path`, calling `then` if it was successfully opened for reading.
*/
virtual void read_file(path const & target_path, closure<void(file_reader &)> const & then) {}
/**
* Attempts to write the file in the file system located at `file_path`, calling `then` if it was successfully
* Attempts to write the file in the file system located at `target_path`, calling `then` if it was successfully
* opened for writing.
*/
virtual void write_file(path const & target_path, closure<void(file_writer &)> const & then) {}