mirror of
https://github.com/godotengine/godot.git
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373 lines
10 KiB
C++
373 lines
10 KiB
C++
/*************************************************************************/
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/* resource_import.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2018 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "resource_import.h"
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#include "os/os.h"
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#include "variant_parser.h"
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Error ResourceFormatImporter::_get_path_and_type(const String &p_path, PathAndType &r_path_and_type, bool *r_valid) const {
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Error err;
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FileAccess *f = FileAccess::open(p_path + ".import", FileAccess::READ, &err);
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if (!f) {
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if (r_valid) {
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*r_valid = false;
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}
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return err;
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}
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VariantParser::StreamFile stream;
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stream.f = f;
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String assign;
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Variant value;
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VariantParser::Tag next_tag;
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if (r_valid) {
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*r_valid = true;
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}
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int lines = 0;
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String error_text;
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bool path_found = false; //first match must have priority
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while (true) {
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assign = Variant();
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next_tag.fields.clear();
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next_tag.name = String();
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err = VariantParser::parse_tag_assign_eof(&stream, lines, error_text, next_tag, assign, value, NULL, true);
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if (err == ERR_FILE_EOF) {
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memdelete(f);
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return OK;
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} else if (err != OK) {
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ERR_PRINTS("ResourceFormatImporter::load - " + p_path + ".import:" + itos(lines) + " error: " + error_text);
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memdelete(f);
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return err;
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}
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if (assign != String()) {
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if (!path_found && assign.begins_with("path.") && r_path_and_type.path == String()) {
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String feature = assign.get_slicec('.', 1);
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if (OS::get_singleton()->has_feature(feature)) {
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r_path_and_type.path = value;
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path_found = true; //first match must have priority
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}
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} else if (!path_found && assign == "path") {
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r_path_and_type.path = value;
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path_found = true; //first match must have priority
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} else if (assign == "type") {
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r_path_and_type.type = value;
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} else if (assign == "importer") {
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r_path_and_type.importer = value;
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} else if (assign == "valid") {
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if (r_valid) {
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*r_valid = value;
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}
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}
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} else if (next_tag.name != "remap") {
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break;
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}
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}
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memdelete(f);
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if (r_path_and_type.path == String() || r_path_and_type.type == String()) {
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return ERR_FILE_CORRUPT;
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}
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return OK;
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}
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RES ResourceFormatImporter::load(const String &p_path, const String &p_original_path, Error *r_error) {
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PathAndType pat;
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Error err = _get_path_and_type(p_path, pat);
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if (err != OK) {
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if (r_error)
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*r_error = err;
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return RES();
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}
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RES res = ResourceLoader::_load(pat.path, p_path, pat.type, false, r_error);
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#ifdef TOOLS_ENABLED
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if (res.is_valid()) {
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res->set_import_last_modified_time(res->get_last_modified_time()); //pass this, if used
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res->set_import_path(pat.path);
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}
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#endif
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return res;
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}
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void ResourceFormatImporter::get_recognized_extensions(List<String> *p_extensions) const {
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Set<String> found;
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for (Set<Ref<ResourceImporter> >::Element *E = importers.front(); E; E = E->next()) {
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List<String> local_exts;
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E->get()->get_recognized_extensions(&local_exts);
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for (List<String>::Element *F = local_exts.front(); F; F = F->next()) {
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if (!found.has(F->get())) {
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p_extensions->push_back(F->get());
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found.insert(F->get());
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}
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}
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}
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}
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void ResourceFormatImporter::get_recognized_extensions_for_type(const String &p_type, List<String> *p_extensions) const {
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if (p_type == "") {
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return get_recognized_extensions(p_extensions);
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}
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Set<String> found;
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for (Set<Ref<ResourceImporter> >::Element *E = importers.front(); E; E = E->next()) {
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String res_type = E->get()->get_resource_type();
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if (res_type == String())
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continue;
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if (!ClassDB::is_parent_class(res_type, p_type))
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continue;
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List<String> local_exts;
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E->get()->get_recognized_extensions(&local_exts);
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for (List<String>::Element *F = local_exts.front(); F; F = F->next()) {
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if (!found.has(F->get())) {
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p_extensions->push_back(F->get());
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found.insert(F->get());
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}
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}
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}
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}
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bool ResourceFormatImporter::recognize_path(const String &p_path, const String &p_for_type) const {
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return FileAccess::exists(p_path + ".import");
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}
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bool ResourceFormatImporter::can_be_imported(const String &p_path) const {
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return ResourceFormatLoader::recognize_path(p_path);
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}
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int ResourceFormatImporter::get_import_order(const String &p_path) const {
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Ref<ResourceImporter> importer;
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if (FileAccess::exists(p_path + ".import")) {
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PathAndType pat;
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Error err = _get_path_and_type(p_path, pat);
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if (err == OK) {
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importer = get_importer_by_name(pat.importer);
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}
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} else {
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importer = get_importer_by_extension(p_path.get_extension().to_lower());
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}
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if (importer.is_valid())
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return importer->get_import_order();
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return 0;
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}
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bool ResourceFormatImporter::handles_type(const String &p_type) const {
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for (Set<Ref<ResourceImporter> >::Element *E = importers.front(); E; E = E->next()) {
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String res_type = E->get()->get_resource_type();
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if (res_type == String())
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continue;
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if (ClassDB::is_parent_class(res_type, p_type))
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return true;
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}
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return true;
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}
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String ResourceFormatImporter::get_internal_resource_path(const String &p_path) const {
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PathAndType pat;
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Error err = _get_path_and_type(p_path, pat);
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if (err != OK) {
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return String();
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}
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return pat.path;
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}
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void ResourceFormatImporter::get_internal_resource_path_list(const String &p_path, List<String> *r_paths) {
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Error err;
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FileAccess *f = FileAccess::open(p_path + ".import", FileAccess::READ, &err);
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if (!f)
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return;
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VariantParser::StreamFile stream;
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stream.f = f;
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String assign;
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Variant value;
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VariantParser::Tag next_tag;
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int lines = 0;
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String error_text;
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while (true) {
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assign = Variant();
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next_tag.fields.clear();
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next_tag.name = String();
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err = VariantParser::parse_tag_assign_eof(&stream, lines, error_text, next_tag, assign, value, NULL, true);
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if (err == ERR_FILE_EOF) {
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memdelete(f);
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return;
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} else if (err != OK) {
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ERR_PRINTS("ResourceFormatImporter::get_internal_resource_path_list - " + p_path + ".import:" + itos(lines) + " error: " + error_text);
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memdelete(f);
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return;
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}
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if (assign != String()) {
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if (assign.begins_with("path.")) {
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r_paths->push_back(value);
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} else if (assign == "path") {
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r_paths->push_back(value);
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}
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} else if (next_tag.name != "remap") {
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break;
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}
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}
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memdelete(f);
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}
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bool ResourceFormatImporter::is_import_valid(const String &p_path) const {
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bool valid = true;
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PathAndType pat;
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_get_path_and_type(p_path, pat, &valid);
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return valid;
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}
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String ResourceFormatImporter::get_resource_type(const String &p_path) const {
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PathAndType pat;
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Error err = _get_path_and_type(p_path, pat);
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if (err != OK) {
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return "";
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}
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return pat.type;
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}
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void ResourceFormatImporter::get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types) {
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PathAndType pat;
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Error err = _get_path_and_type(p_path, pat);
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if (err != OK) {
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return;
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}
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return ResourceLoader::get_dependencies(pat.path, p_dependencies, p_add_types);
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}
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Ref<ResourceImporter> ResourceFormatImporter::get_importer_by_name(const String &p_name) const {
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for (Set<Ref<ResourceImporter> >::Element *E = importers.front(); E; E = E->next()) {
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if (E->get()->get_importer_name() == p_name) {
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return E->get();
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}
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}
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return Ref<ResourceImporter>();
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}
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void ResourceFormatImporter::get_importers_for_extension(const String &p_extension, List<Ref<ResourceImporter> > *r_importers) {
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for (Set<Ref<ResourceImporter> >::Element *E = importers.front(); E; E = E->next()) {
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List<String> local_exts;
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E->get()->get_recognized_extensions(&local_exts);
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for (List<String>::Element *F = local_exts.front(); F; F = F->next()) {
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if (p_extension.to_lower() == F->get()) {
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r_importers->push_back(E->get());
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}
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}
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}
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}
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Ref<ResourceImporter> ResourceFormatImporter::get_importer_by_extension(const String &p_extension) const {
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Ref<ResourceImporter> importer;
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float priority = 0;
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for (Set<Ref<ResourceImporter> >::Element *E = importers.front(); E; E = E->next()) {
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List<String> local_exts;
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E->get()->get_recognized_extensions(&local_exts);
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for (List<String>::Element *F = local_exts.front(); F; F = F->next()) {
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if (p_extension.to_lower() == F->get() && E->get()->get_priority() > priority) {
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importer = E->get();
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priority = E->get()->get_priority();
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}
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}
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}
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return importer;
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}
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String ResourceFormatImporter::get_import_base_path(const String &p_for_file) const {
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return "res://.import/" + p_for_file.get_file() + "-" + p_for_file.md5_text();
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}
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ResourceFormatImporter *ResourceFormatImporter::singleton = NULL;
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ResourceFormatImporter::ResourceFormatImporter() {
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singleton = this;
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}
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