diff options
Diffstat (limited to 'core/io/json.cpp')
| -rw-r--r-- | core/io/json.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/core/io/json.cpp b/core/io/json.cpp index 91500ff3d5..a685fcb718 100644 --- a/core/io/json.cpp +++ b/core/io/json.cpp @@ -497,6 +497,10 @@ Error JSON::_parse_object(Dictionary &object, const char32_t *p_str, int &index, return ERR_PARSE_ERROR; } +void JSON::set_data(const Variant &p_data) { + data = p_data; +} + Error JSON::_parse_string(const String &p_json, Variant &r_ret, String &r_err_str, int &r_err_line) { const char32_t *str = p_json.ptr(); int idx = 0; @@ -557,6 +561,88 @@ void JSON::_bind_methods() { ClassDB::bind_method(D_METHOD("parse", "json_string"), &JSON::parse); ClassDB::bind_method(D_METHOD("get_data"), &JSON::get_data); + ClassDB::bind_method(D_METHOD("set_data", "data"), &JSON::set_data); ClassDB::bind_method(D_METHOD("get_error_line"), &JSON::get_error_line); ClassDB::bind_method(D_METHOD("get_error_message"), &JSON::get_error_message); + + ADD_PROPERTY(PropertyInfo(Variant::NIL, "data", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_DEFAULT | PROPERTY_USAGE_NIL_IS_VARIANT), "set_data", "get_data"); // Ensures that it can be serialized as binary. +} + +//// + +//////////// + +Ref<Resource> ResourceFormatLoaderJSON::load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads, float *r_progress, CacheMode p_cache_mode) { + if (r_error) { + *r_error = ERR_FILE_CANT_OPEN; + } + + if (!FileAccess::exists(p_path)) { + *r_error = ERR_FILE_NOT_FOUND; + return Ref<Resource>(); + } + + Ref<JSON> json; + json.instantiate(); + + Error err = json->parse(FileAccess::get_file_as_string(p_path)); + if (err != OK) { + if (r_error) { + *r_error = err; + } + ERR_PRINT("Error parsing JSON file at '" + p_path + "', on line " + itos(json->get_error_line()) + ": " + json->get_error_message()); + return Ref<Resource>(); + } + + if (r_error) { + *r_error = OK; + } + + return json; +} + +void ResourceFormatLoaderJSON::get_recognized_extensions(List<String> *p_extensions) const { + p_extensions->push_back("json"); +} + +bool ResourceFormatLoaderJSON::handles_type(const String &p_type) const { + return (p_type == "JSON"); +} + +String ResourceFormatLoaderJSON::get_resource_type(const String &p_path) const { + String el = p_path.get_extension().to_lower(); + if (el == "json") { + return "JSON"; + } + return ""; +} + +Error ResourceFormatSaverJSON::save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags) { + Ref<JSON> json = p_resource; + ERR_FAIL_COND_V(json.is_null(), ERR_INVALID_PARAMETER); + + String source = JSON::stringify(json->get_data(), "\t", false, true); + + Error err; + Ref<FileAccess> file = FileAccess::open(p_path, FileAccess::WRITE, &err); + + ERR_FAIL_COND_V_MSG(err, err, "Cannot save json '" + p_path + "'."); + + file->store_string(source); + if (file->get_error() != OK && file->get_error() != ERR_FILE_EOF) { + return ERR_CANT_CREATE; + } + + return OK; +} + +void ResourceFormatSaverJSON::get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const { + Ref<JSON> json = p_resource; + if (json.is_valid()) { + p_extensions->push_back("json"); + } +} + +bool ResourceFormatSaverJSON::recognize(const Ref<Resource> &p_resource) const { + return p_resource->get_class_name() == "JSON"; //only json, not inherited } |