C++ CharString::ptr方法代码示例

String FileAccess::get_pascal_string() {

	uint32_t sl = get_32();
	CharString cs;
	cs.resize(sl + 1);
	get_buffer((uint8_t *)cs.ptr(), sl);
	cs[sl] = 0;

	String ret;
	ret.parse_utf8(cs.ptr());

	return ret;
};

Error FileAccessNetwork::_open(const String& p_path, int p_mode_flags) {

	ERR_FAIL_COND_V(p_mode_flags!=READ,ERR_UNAVAILABLE);
	if (opened)
		close();
	FileAccessNetworkClient *nc = FileAccessNetworkClient::singleton;
	DEBUG_PRINT("open: "+p_path);

	DEBUG_TIME("open_begin");

	nc->lock_mutex();
	nc->put_32(id);
	nc->accesses[id]=this;
	nc->put_32(COMMAND_OPEN_FILE);
	CharString cs =p_path.utf8();
	nc->put_32(cs.length());
	nc->client->put_data((const uint8_t*)cs.ptr(),cs.length());
	pos=0;
	eof_flag=false;
	last_page=-1;
	last_page_buff=NULL;

//	buffers.clear();
	nc->unlock_mutex();
	DEBUG_PRINT("OPEN POST");
	DEBUG_TIME("open_post");
	nc->sem->post(); //awaiting answer
	DEBUG_PRINT("WAIT...");
	sem->wait();
	DEBUG_TIME("open_end");
	DEBUG_PRINT("WAIT ENDED...");

	return response;
}

Error HTTPClient::request(Method p_method, const String &p_url, const Vector<String> &p_headers, const String &p_body) {

	ERR_FAIL_INDEX_V(p_method, METHOD_MAX, ERR_INVALID_PARAMETER);
	ERR_FAIL_COND_V(!p_url.begins_with("/"), ERR_INVALID_PARAMETER);
	ERR_FAIL_COND_V(status != STATUS_CONNECTED, ERR_INVALID_PARAMETER);
	ERR_FAIL_COND_V(connection.is_null(), ERR_INVALID_DATA);

	String request = String(_methods[p_method]) + " " + p_url + " HTTP/1.1\r\n";
	if ((ssl && conn_port == PORT_HTTPS) || (!ssl && conn_port == PORT_HTTP)) {
		// Don't append the standard ports
		request += "Host: " + conn_host + "\r\n";
	} else {
		request += "Host: " + conn_host + ":" + itos(conn_port) + "\r\n";
	}
	bool add_uagent = true;
	bool add_accept = true;
	bool add_clen = p_body.length() > 0;
	for (int i = 0; i < p_headers.size(); i++) {
		request += p_headers[i] + "\r\n";
		if (add_clen && p_headers[i].findn("Content-Length:") == 0) {
			add_clen = false;
		}
		if (add_uagent && p_headers[i].findn("User-Agent:") == 0) {
			add_uagent = false;
		}
		if (add_accept && p_headers[i].findn("Accept:") == 0) {
			add_accept = false;
		}
	}
	if (add_clen) {
		request += "Content-Length: " + itos(p_body.utf8().length()) + "\r\n";
		// Should it add utf8 encoding?
	}
	if (add_uagent) {
		request += "User-Agent: GodotEngine/" + String(VERSION_FULL_BUILD) + " (" + OS::get_singleton()->get_name() + ")\r\n";
	}
	if (add_accept) {
		request += "Accept: */*\r\n";
	}
	request += "\r\n";
	request += p_body;

	CharString cs = request.utf8();
	Error err = connection->put_data((const uint8_t *)cs.ptr(), cs.length());
	if (err) {
		close();
		status = STATUS_CONNECTION_ERROR;
		return err;
	}

	status = STATUS_REQUESTING;

	return OK;
}

static void store_file_buffer(FileAccess*f,const String& p_path,const Vector<uint8_t>& p_data) {


    String pre = "Module['FS_createDataFile']('/', '"+p_path.replace("res://","")+"',[";
    CharString cs = pre.utf8();
    f->store_buffer((const uint8_t*)cs.ptr(),cs.length());
    for(int i=0; i<p_data.size(); i++) {


        uint8_t c=',';
        if (i>0)
            f->store_buffer(&c,1);

        uint8_t str[4];
        uint8_t d = p_data[i];
        if (d<10) {
            str[0]='0'+d;
            str[1]=0;
            f->store_buffer(str,1);
        } else if (d<100) {

            str[0]='0'+d/10;
            str[1]='0'+d%10;
            str[2]=0;
            f->store_buffer(str,2);

        } else {
            str[0]='0'+d/100;
            str[1]='0'+(d/10)%10;
            str[2]='0'+d%10;
            str[3]=0;
            f->store_buffer(str,3);
        }
    }
    String post = "],true,true);\n";
    cs = post.utf8();
    f->store_buffer((const uint8_t*)cs.ptr(),cs.length());
}

Error HTTPClient::request(Method p_method, const String &p_url, const Vector<String> &p_headers, const String &p_body) {

	ERR_FAIL_INDEX_V(p_method, METHOD_MAX, ERR_INVALID_PARAMETER);
	ERR_FAIL_COND_V(status != STATUS_CONNECTED, ERR_INVALID_PARAMETER);
	ERR_FAIL_COND_V(connection.is_null(), ERR_INVALID_DATA);

	static const char *_methods[METHOD_MAX] = {
		"GET",
		"HEAD",
		"POST",
		"PUT",
		"DELETE",
		"OPTIONS",
		"TRACE",
		"CONNECT"
	};

	String request = String(_methods[p_method]) + " " + p_url + " HTTP/1.1\r\n";
	if ((ssl && conn_port == 443) || (!ssl && conn_port == 80)) {
		// don't append the standard ports
		request += "Host: " + conn_host + "\r\n";
	} else {
		request += "Host: " + conn_host + ":" + itos(conn_port) + "\r\n";
	}
	bool add_clen = p_body.length() > 0;
	for (int i = 0; i < p_headers.size(); i++) {
		request += p_headers[i] + "\r\n";
		if (add_clen && p_headers[i].find("Content-Length:") == 0) {
			add_clen = false;
		}
	}
	if (add_clen) {
		request += "Content-Length: " + itos(p_body.utf8().length()) + "\r\n";
		//should it add utf8 encoding? not sure
	}
	request += "\r\n";
	request += p_body;

	CharString cs = request.utf8();
	Error err = connection->put_data((const uint8_t *)cs.ptr(), cs.length());
	if (err) {
		close();
		status = STATUS_CONNECTION_ERROR;
		return err;
	}

	status = STATUS_REQUESTING;

	return OK;
}

uint64_t FileAccessNetwork::_get_modified_time(const String &p_file) {

	FileAccessNetworkClient *nc = FileAccessNetworkClient::singleton;
	nc->lock_mutex();
	nc->put_32(id);
	nc->put_32(COMMAND_GET_MODTIME);
	CharString cs = p_file.utf8();
	nc->put_32(cs.length());
	nc->client->put_data((const uint8_t *)cs.ptr(), cs.length());
	nc->unlock_mutex();
	DEBUG_PRINT("MODTIME POST");
	nc->sem->post();
	sem->wait();

	return exists_modtime;
}

bool FileAccessNetwork::file_exists(const String &p_path) {

	FileAccessNetworkClient *nc = FileAccessNetworkClient::singleton;
	nc->lock_mutex();
	nc->put_32(id);
	nc->put_32(COMMAND_FILE_EXISTS);
	CharString cs = p_path.utf8();
	nc->put_32(cs.length());
	nc->client->put_data((const uint8_t *)cs.ptr(), cs.length());
	nc->unlock_mutex();
	DEBUG_PRINT("FILE EXISTS POST");
	nc->sem->post();
	sem->wait();

	return exists_modtime != 0;
}

Error FileAccessNetworkClient::connect(const String& p_host,int p_port,const String& p_password) {

	IP_Address ip;

	if (p_host.is_valid_ip_address()) {
		ip=p_host;
	} else {
		ip=IP::get_singleton()->resolve_hostname(p_host);
	}

	DEBUG_PRINT("IP: "+String(ip)+" port "+itos(p_port));
	Error err = client->connect(ip,p_port);
	ERR_FAIL_COND_V(err,err);
	while(client->get_status()==StreamPeerTCP::STATUS_CONNECTING) {
//DEBUG_PRINT("trying to connect....");
		OS::get_singleton()->delay_usec(1000);
	}

	if (client->get_status()!=StreamPeerTCP::STATUS_CONNECTED) {
		return ERR_CANT_CONNECT;
	}

	CharString cs = p_password.utf8();	
	put_32(cs.length());
	client->put_data((const uint8_t*)cs.ptr(),cs.length());

	int e = get_32();

	if (e!=OK) {
		return ERR_INVALID_PARAMETER;
	}

	thread = Thread::create(_thread_func,this);

	return OK;
}

StringName PHashTranslation::get_message(const StringName& p_src_text) const {

	int htsize = hash_table.size();

	if (htsize==0)
		return StringName();

	CharString str = p_src_text.operator String().utf8();
	uint32_t h = hash(0,str.get_data());


	DVector<int>::Read htr =  hash_table.read();
	const uint32_t *htptr = (const uint32_t*)&htr[0];
	DVector<int>::Read btr =  bucket_table.read();
	const uint32_t *btptr = (const uint32_t*)&btr[0];
	DVector<uint8_t>::Read sr = strings.read();
	const char *sptr= (const char*)&sr[0];

	uint32_t p = htptr[ h % htsize];

	//print_line("String: "+p_src_text.operator String());
	//print_line("Hash: "+itos(p));

	if (p==0xFFFFFFFF) {
//		print_line("GETMSG: Nothing!");
		return StringName(); //nothing
	}

	const Bucket &bucket = *(const Bucket*)&btptr[p];

	h = hash(bucket.func,str.get_data());

	int idx=-1;

	for(int i=0;i<bucket.size;i++) {

		if (bucket.elem[i].key==h) {

			idx=i;
			break;
		}

	}

	//print_line("bucket pos: "+itos(idx));
	if (idx==-1) {
//		print_line("GETMSG: Not in Bucket!");
		return StringName();
	}

	if (bucket.elem[idx].comp_size == bucket.elem[idx].uncomp_size) {

		String rstr;
		rstr.parse_utf8(&sptr[ bucket.elem[idx].str_offset ], bucket.elem[idx].uncomp_size );
//		print_line("Uncompressed, size: "+itos(bucket.elem[idx].comp_size));
//		print_line("Return: "+rstr);

		return rstr;
	} else {

		CharString uncomp;
		uncomp.resize( bucket.elem[idx].uncomp_size+1 );
		smaz_decompress(&sptr[ bucket.elem[idx].str_offset ], bucket.elem[idx].comp_size,uncomp.ptr(),bucket.elem[idx].uncomp_size );
		String rstr;
		rstr.parse_utf8(uncomp.get_data());
//		print_line("Compressed, size: "+itos(bucket.elem[idx].comp_size));
//		print_line("Return: "+rstr);
		return rstr;
	}

}

bool PackedSourcePCK::try_open_pack(const String& p_path) {

	FileAccess *f = FileAccess::open(p_path,FileAccess::READ);
	if (!f)
		return false;

	uint32_t magic= f->get_32();

	if (magic != 0x4b435047) {
		//maybe at he end.... self contained exe
		f->seek_end();
		f->seek( f->get_pos() -4 );
		magic = f->get_32();
		if (magic != 0x4b435047) {

			memdelete(f);
			return false;
		}
		f->seek( f->get_pos() -12 );


		uint64_t ds = f->get_64();
		f->seek( f->get_pos() -ds-8 );

		magic = f->get_32();
		if (magic != 0x4b435047) {

			memdelete(f);
			return false;
		}

	}

	uint32_t ver_major = f->get_32();
	uint32_t ver_minor = f->get_32();
	uint32_t ver_rev = f->get_32();

	ERR_EXPLAIN("Pack created with a newer version of the engine: "+itos(ver_major)+"."+itos(ver_minor)+"."+itos(ver_rev));
	ERR_FAIL_COND_V( ver_major > VERSION_MAJOR || (ver_major == VERSION_MAJOR && ver_minor > VERSION_MINOR), ERR_INVALID_DATA);

	for(int i=0;i<16;i++) {
		//reserved
		f->get_32();
	}

	int file_count = f->get_32();

	for(int i=0;i<file_count;i++) {

		uint32_t sl = f->get_32();
		CharString cs;
		cs.resize(sl+1);
		f->get_buffer((uint8_t*)cs.ptr(),sl);
		cs[sl]=0;

		String path;
		path.parse_utf8(cs.ptr());

		uint64_t ofs = f->get_64();
		uint64_t size = f->get_64();
		uint8_t md5[16];
		f->get_buffer(md5,16);

		PackedData::get_singleton()->add_path(p_path, path, ofs, size, md5,this);
	};

	return true;
};