godotengine/godot
1
0
Fork 0
mirror of https://github.com/godotengine/godot.git synced 2025-12-02 16:48:55 +00:00
Code Releases Wiki Activity

[FileAccess] Implement support for reading and writing extended file attributes/alternate data streams.

Browse Source
This commit is contained in:
Pāvels Nadtočajevs
2025-01-16 13:42:24 +02:00
parent 235a32ad11
commit d454e1a1e0
7 changed files with 391 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

84
core/io/file_access.cpp
View File

@@ -771,6 +771,83 @@ Error FileAccess::set_read_only_attribute(const String &p_file, bool p_ro) {
return err;
}
PackedByteArray FileAccess::get_extended_attribute(const String &p_file, const String &p_attribute_name) {
if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && (PackedData::get_singleton()->has_path(p_file) || PackedData::get_singleton()->has_directory(p_file))) {
return PackedByteArray();
}
Ref<FileAccess> fa = create_for_path(p_file);
ERR_FAIL_COND_V_MSG(fa.is_null(), PackedByteArray(), vformat("Cannot create FileAccess for path '%s'.", p_file));
return fa->_get_extended_attribute(p_file, p_attribute_name);
}
String FileAccess::get_extended_attribute_string(const String &p_file, const String &p_attribute_name) {
if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && (PackedData::get_singleton()->has_path(p_file) || PackedData::get_singleton()->has_directory(p_file))) {
return String();
}
Ref<FileAccess> fa = create_for_path(p_file);
ERR_FAIL_COND_V_MSG(fa.is_null(), String(), vformat("Cannot create FileAccess for path '%s'.", p_file));
PackedByteArray data = fa->_get_extended_attribute(p_file, p_attribute_name);
if (data.is_empty()) {
return String();
}
return String::utf8((const char *)data.ptr(), data.size());
}
Error FileAccess::set_extended_attribute(const String &p_file, const String &p_attribute_name, const PackedByteArray &p_data) {
if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && (PackedData::get_singleton()->has_path(p_file) || PackedData::get_singleton()->has_directory(p_file))) {
return ERR_UNAVAILABLE;
}
Ref<FileAccess> fa = create_for_path(p_file);
ERR_FAIL_COND_V_MSG(fa.is_null(), ERR_CANT_CREATE, vformat("Cannot create FileAccess for path '%s'.", p_file));
return fa->_set_extended_attribute(p_file, p_attribute_name, p_data);
}
Error FileAccess::set_extended_attribute_string(const String &p_file, const String &p_attribute_name, const String &p_data) {
if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && (PackedData::get_singleton()->has_path(p_file) || PackedData::get_singleton()->has_directory(p_file))) {
return ERR_UNAVAILABLE;
}
Ref<FileAccess> fa = create_for_path(p_file);
ERR_FAIL_COND_V_MSG(fa.is_null(), ERR_CANT_CREATE, vformat("Cannot create FileAccess for path '%s'.", p_file));
PackedByteArray data;
CharString cs = p_data.utf8();
data.resize(cs.size());
if (cs.size() > 0) {
memcpy(data.ptrw(), cs.get_data(), cs.size());
}
return fa->_set_extended_attribute(p_file, p_attribute_name, data);
}
Error FileAccess::remove_extended_attribute(const String &p_file, const String &p_attribute_name) {
if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && (PackedData::get_singleton()->has_path(p_file) || PackedData::get_singleton()->has_directory(p_file))) {
return ERR_UNAVAILABLE;
}
Ref<FileAccess> fa = create_for_path(p_file);
ERR_FAIL_COND_V_MSG(fa.is_null(), ERR_CANT_CREATE, vformat("Cannot create FileAccess for path '%s'.", p_file));
return fa->_remove_extended_attribute(p_file, p_attribute_name);
}
PackedStringArray FileAccess::get_extended_attributes_list(const String &p_file) {
if (PackedData::get_singleton() && !PackedData::get_singleton()->is_disabled() && (PackedData::get_singleton()->has_path(p_file) || PackedData::get_singleton()->has_directory(p_file))) {
return PackedStringArray();
}
Ref<FileAccess> fa = create_for_path(p_file);
ERR_FAIL_COND_V_MSG(fa.is_null(), PackedStringArray(), vformat("Cannot create FileAccess for path '%s'.", p_file));
return fa->_get_extended_attributes_list(p_file);
}
bool FileAccess::store_string(const String &p_string) {
if (p_string.length() == 0) {
return true;
@@ -1042,6 +1119,13 @@ void FileAccess::_bind_methods() {
ClassDB::bind_static_method("FileAccess", D_METHOD("set_read_only_attribute", "file", "ro"), &FileAccess::set_read_only_attribute);
ClassDB::bind_static_method("FileAccess", D_METHOD("get_read_only_attribute", "file"), &FileAccess::get_read_only_attribute);
ClassDB::bind_static_method("FileAccess", D_METHOD("get_extended_attribute", "file", "attribute_name"), &FileAccess::get_extended_attribute);
ClassDB::bind_static_method("FileAccess", D_METHOD("get_extended_attribute_string", "file", "attribute_name"), &FileAccess::get_extended_attribute_string);
ClassDB::bind_static_method("FileAccess", D_METHOD("set_extended_attribute", "file", "attribute_name", "data"), &FileAccess::set_extended_attribute);
ClassDB::bind_static_method("FileAccess", D_METHOD("set_extended_attribute_string", "file", "attribute_name", "_data"), &FileAccess::set_extended_attribute_string);
ClassDB::bind_static_method("FileAccess", D_METHOD("remove_extended_attribute", "file", "attribute_name"), &FileAccess::remove_extended_attribute);
ClassDB::bind_static_method("FileAccess", D_METHOD("get_extended_attributes_list", "file"), &FileAccess::get_extended_attributes_list);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "big_endian"), "set_big_endian", "is_big_endian");
BIND_ENUM_CONSTANT(READ);