text: /*************************************************************************/
  /*  dir_access_android.cpp                                               */
  /*************************************************************************/
  /*                       This file is part of:                           */
  /*                           GODOT ENGINE                                */
  /*                    http://www.godotengine.org                         */
  /*************************************************************************/
  /* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur.                 */
  /*                                                                       */
  /* Permission is hereby granted, free of charge, to any person obtaining */
  /* a copy of this software and associated documentation files (the       */
  /* "Software"), to deal in the Software without restriction, including   */
  /* without limitation the rights to use, copy, modify, merge, publish,   */
  /* distribute, sublicense, and/or sell copies of the Software, and to    */
  /* permit persons to whom the Software is furnished to do so, subject to */
  /* the following conditions:                                             */
  /*                                                                       */
  /* The above copyright notice and this permission notice shall be        */
  /* included in all copies or substantial portions of the Software.       */
  /*                                                                       */
  /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
  /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
  /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
  /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
  /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
  /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
  /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
  /*************************************************************************/
  #ifdef ANDROID_NATIVE_ACTIVITY
  #include "dir_access_android.h"
  #include "file_access_android.h"
  
  
  
  DirAccess *DirAccessAndroid::create_fs() {
  
  	return memnew(DirAccessAndroid);
  }
  
  Error DirAccessAndroid::list_dir_begin() {
  
  	list_dir_end();
  
  	AAssetDir* aad = AAssetManager_openDir(FileAccessAndroid::asset_manager,current_dir.utf8().get_data());
  	if (!aad)
  		return ERR_CANT_OPEN; //nothing
  
  
  	return OK;
  }
  
  String DirAccessAndroid::get_next(){
  
  	const char* fn= AAssetDir_getNextFileName(aad);
  	if (!fn)
  		return "";
  	String s;
  	s.parse_utf8(fn);
  	current=s;
  	return s;
  
  
  }
  
  bool DirAccessAndroid::current_is_dir() const{
  
  	String sd;
  	if (current_dir=="")
  		sd=current;
  	else
  		sd=current_dir+"/"+current;
  
  	AAssetDir* aad2 = AAssetManager_openDir(FileAccessAndroid::asset_manager,sd.utf8().get_data());
  	if (aad2) {
  
  		AAssetDir_close(aad2);
  		return true;
  	}
  
  	return false;
  
  }
  
  bool DirAccessAndroid::current_is_hidden() const{
  	return current!="." && current!=".." && current.begins_with(".");
  }
  
  void DirAccessAndroid::list_dir_end(){
  
  	if (aad==NULL)
  		return;
  
  	AAssetDir_close(aad);
  	aad=NULL;
  
  }
  
  int DirAccessAndroid::get_drive_count(){
  
  	return 0;
  }
  
  String DirAccessAndroid::get_drive(int p_drive){
  
  	return "";
  }
  
  Error DirAccessAndroid::change_dir(String p_dir){
  
  	p_dir=p_dir.simplify_path();
  
  	if (p_dir=="" || p_dir=="." || (p_dir==".." && current_dir==""))
  		return OK;
  
  	String new_dir;
  
  	if (p_dir.begins_with("/"))
  		new_dir=p_dir.substr(1,p_dir.length());
  	else if (p_dir.begins_with("res://"))
  		new_dir=p_dir.substr(6,p_dir.length());
  	else  //relative
  		new_dir=new_dir+"/"+p_dir;
  
  //test if newdir exists
  	new_dir=new_dir.simplify_path();
  
  	AAssetDir* aad = AAssetManager_openDir(FileAccessAndroid::asset_manager,new_dir.utf8().get_data());
  	if (aad) {
  
  		current_dir=new_dir;
  		AAssetDir_close(aad);
  		return OK;
  	}
  
  	return ERR_INVALID_PARAMETER;
  }
  
  String DirAccessAndroid::get_current_dir(){
  
  	return "/"+current_dir;
  }
  
  
  bool DirAccessAndroid::file_exists(String p_file){
  
  	String sd;
  	if (current_dir=="")
  		sd=p_file;
  	else
  		sd=current_dir+"/"+p_file;
  
  	AAsset *a=AAssetManager_open(FileAccessAndroid::asset_manager,sd.utf8().get_data(),AASSET_MODE_STREAMING);
  	if (a) {
  		AAsset_close(a);
  		return true;
  	}
  
  	return false;
  }
  
  
  Error DirAccessAndroid::make_dir(String p_dir){
  
  	ERR_FAIL_V(ERR_UNAVAILABLE);
  }
  
  Error DirAccessAndroid::rename(String p_from, String p_to){
  
  	ERR_FAIL_V(ERR_UNAVAILABLE);
  }
  
  Error DirAccessAndroid::remove(String p_name){
  
  	ERR_FAIL_V(ERR_UNAVAILABLE);
  }
  
  //FileType get_file_type() const;
  size_t DirAccessAndroid::get_space_left() {
  
  	return 0;
  }
  
  void DirAccessAndroid::make_default() {
  
  	instance_func=create_fs;
  }
  
  DirAccessAndroid::DirAccessAndroid() {
  
  	aad=NULL;
  }
  
  DirAccessAndroid::~DirAccessAndroid() {
  
  	list_dir_end();
  }
  #endif
  