output buffers

src/fastcgi/src/fcgicc.cc

@@ -509,9 +509,30 @@ FastCGIServer::process_write_request(Connection& connection, RequestID id,
     }
     if ((request.in_closed || request.status != 0) &&
             !request.output_closed) {
+
+		request.out =
+			var_dump(request.header, "", "\r\n") +
+			var_dump(request.set_cookies, "", "\r\n") +
+			"\r\n";
+
+		for(auto obs : request.ob_stack)
+		{
+			request.out += obs->str();
+			delete obs;
+		}
+		request.ob_stack.clear();
+
         write_data(connection.output_buffer, id, request.out, FCGI_STDOUT);
         write_data(connection.output_buffer, id, request.err, FCGI_STDERR);
 
+		request.time_end = microtime();
+		printf("(r) pid:%i\t%s\t%0.6fs\t%0.1fkB\n",
+			my_pid,
+			request.params["REQUEST_URI"].c_str(),
+			request.time_end - request.time_start,
+			(f32)(request.out.length()/1024)
+		);
+
         FCGI_EndRequestRecord complete;
         bzero(&complete, sizeof(complete));
         complete.header.version = FCGI_VERSION_1;

src/lib/compiler.cpp

@@ -4,7 +4,7 @@
 String process_html_literal(Request* context, SharedUnit* su, String content)
 {
 	String pc;
-	String HT_START = "context->print(R\"(";
+	String HT_START = "print(R\"(";
 	String HT_END = ")\");";
 
 	u8 mode = 0;
@@ -63,7 +63,7 @@ String process_html_literal(Request* context, SharedUnit* su, String content)
 						{
 							pc.append(
 								HT_END +
-								"echo(html_escape( " +
+								"print(html_escape( " +
 								code_buffer +
 								" )); " +
 								HT_START
@@ -299,17 +299,17 @@ void compiler_invoke(Request* context, String file_name, DTree& call_param)
 	if(!su)
 	{
 		printf("Error loading unit %s\n", file_name.c_str());
-		context->print("Error loading unit: "+file_name);
+		print("Error loading unit: "+file_name);
 	}
 	else if(!su->on_render)
 	{
 		context->header["Content-Type"] = "text/plain";
-		context->print("Compiler error: "+su->compiler_messages);
+		print("Compiler error: "+su->compiler_messages);
 	}
 	else
 	{
 		if(su->compiler_messages.length() > 0)
-			context->print(su->compiler_messages);
+			print(su->compiler_messages);
 		else
 		{
 			String prev_wd = get_cwd();

src/lib/functionlib.cpp

@@ -184,14 +184,14 @@ String json_encode(DTree t)
 String json_decode_String(String s, u32& i, char termination_char)
 {
 	String result;
-	//echo("json_decode_String " + s.substr(i) + "\n");
+	//print("json_decode_String " + s.substr(i) + "\n");
 	while(i < s.length())
 	{
 		char c = s[i];
 		if(c == termination_char)
 		{
 			i += 1;
-			//echo("json_decode_String = " + result + "\n");
+			//print("json_decode_String = " + result + "\n");
 			return(result);
 		}
 		else if(c == '\\')
@@ -289,7 +289,7 @@ DTree json_decode_value(String s, u32& i)
 	String value = "";
 	json_consume_space(s, i);
 	char c = s[i];
-	//echo("json_decode_value " + s.substr(i) + "\n");
+	//print("json_decode_value " + s.substr(i) + "\n");
 	if(c == '"' || c == '\'') // String value
 	{
 		result.type = 'S';
@@ -329,7 +329,7 @@ DTree json_decode_map(String s, u32& i)
 	result.type = 'M';
 	String key = "";
 	json_consume_space(s, i);
-	//echo("json_decode_map " + s.substr(i) + "\n");
+	//print("json_decode_map " + s.substr(i) + "\n");
 	while(i < s.length())
 	{
 		char c = s[i];
@@ -352,7 +352,7 @@ DTree json_decode_map(String s, u32& i)
 			i += 1;
 			DTree v = json_decode_value(s, i);
 			//result._map[key] = json_decode_value(s, i);
-			//echo("KV " + key + " = " + to_String(v) + "\n");
+			//print("KV " + key + " = " + to_String(v) + "\n");
 			//printf("map add %s (%c) \n", key.c_str(), s[i]);
 			result._map[key] = v;
 		}
@@ -372,4 +372,28 @@ DTree json_decode(String s)
 	return(json_decode_value(s, i));
 }
 
+void ob_start()
+{
+	context->ob_start();
+}
+
+void ob_close()
+{
+	delete context->ob;
+	context->ob_stack.pop_back();
+	if(context->ob_stack.size() == 0)
+		ob_start();
+}
+
+String ob_get()
+{
+	return(context->ob->str());
+}
+
+String ob_get_close()
+{
+	String result = context->ob->str();
+	ob_close();
+	return(result);
+}
 

src/lib/functionlib.h

@@ -24,3 +24,8 @@ DTree json_decode(String s);
 
 String var_dump(StringMap map, String prefix = "", String postfix = "\n");
 String var_dump(StringList slist, String prefix = "", String postfix = "\n");
+
+void ob_start();
+void ob_clear();
+String ob_get_clear();
+String ob_get();

src/lib/sys.cpp

@@ -247,7 +247,7 @@ u64 socket_connect(String host, short port)
     auto sockfd = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
 	if(sockfd < 0)
     {
-		echo("SOCKET ERROR (could not open socket)\n");
+		print("SOCKET ERROR (could not open socket)\n");
 		perror("SOCKET ERROR ");
 		return(0);
 	}
@@ -259,7 +259,7 @@ u64 socket_connect(String host, short port)
 
     if(connect(sockfd, (struct sockaddr*) &addr, sizeof(addr)) < 0)
     {
-		echo("SOCKET ERROR (could not connect to address " + String(host) + ":" + std::to_string(port) + ")\n");
+		print("SOCKET ERROR (could not connect to address " + String(host) + ":" + std::to_string(port) + ")\n");
 		perror("SOCKET ERROR ");
 		return(0);
 	}
@@ -438,3 +438,4 @@ void on_child_exit(int sig)
     }
 }
 
+

src/lib/types.cpp

@@ -50,9 +50,10 @@ void Request::invoke(String file_name, DTree& call_param)
 	compiler_invoke(this, file_name, call_param);
 }
 
-void Request::print(String s)
+void Request::ob_start()
 {
-	out.append(s);
+	ob_stack.push_back(new std::ostringstream());
+	ob = ob_stack.back();
 }
 
 Request::~Request()

src/lib/types.h

@@ -3,6 +3,7 @@
 #include <list>
 #include <vector>
 #include <functional>
+#include <sstream>
 
 typedef unsigned char u8;
 typedef signed char s8;
@@ -17,6 +18,30 @@ typedef long long s64;
 
 typedef std::string String;
 
+String operator+(String lhs, u64 rhs) {
+	return(lhs + std::to_string(rhs));
+}
+
+String operator+(String lhs, u32 rhs) {
+	return(lhs + std::to_string(rhs));
+}
+
+String operator+(String lhs, s64 rhs) {
+	return(lhs + std::to_string(rhs));
+}
+
+String operator+(String lhs, s32 rhs) {
+	return(lhs + std::to_string(rhs));
+}
+
+String operator+(String lhs, f64 rhs) {
+	return(lhs + std::to_string(rhs));
+}
+
+String operator+(String lhs, f32 rhs) {
+	return(lhs + std::to_string(rhs));
+}
+
 #define DEBUG_MEMORY_OFF;
 #define NO_GLOBAL_ARENA_ALLOCATOR;
 
@@ -105,9 +130,6 @@ void operator delete(void * p) throw()
 }
 #endif
 
-//#define to_String(a) std::to_String(a)
-#define echo(s) context->print(s)
-
 typedef std::map<String, String> StringMap;
 typedef std::vector<String> StringList;
 
@@ -217,13 +239,21 @@ struct Request {
 	MemoryArena* request_arena;
 
 	String in;
+	std::vector<std::ostringstream*> ob_stack;
+	std::ostringstream* ob;
 	String out;
 	String err;
 
+	bool is_finished = false;
+
 	f64 time_init;
 	f64 time_start;
 	f64 time_end;
 
+	struct Stats {
+		u32 bytes_written;
+	} stats;
+
 	struct Resources {
 		std::vector<u64> sockets;
 		std::vector<void*> mysql_connections;
@@ -231,7 +261,9 @@ struct Request {
 
 	void invoke(String file_name);
 	void invoke(String file_name, DTree& call_param);
-	void print(String s);
+
+	void ob_start();
+
 	~Request();
 
 };
@@ -239,3 +271,11 @@ struct Request {
 typedef Request FastCGIRequest;
 
 Request* context;
+
+#include <iostream>
+
+template <typename... Ts>
+void print(Ts... args)
+{
+    ((*context->ob << args), ...);
+}

src/linux_fastcgi.cpp

@@ -12,6 +12,8 @@ int handle_request(FastCGIRequest& request) {
     // standard input stream.
     request.request_arena = request_arena;
 	request.time_init = microtime();
+	request.ob_start(); // this one is for the headers
+	request.ob_start(); // this one is for the content
 	if (request.params.count("REQUEST_URI"))
         return 0;  // OK, continue processing
     else
@@ -70,12 +72,6 @@ int handle_complete(FastCGIRequest& request) {
     request.invoke(request.params["SCRIPT_FILENAME"]);
 	switch_to_system_alloc();
 
-    String headers =
-		var_dump(request.header, "", "\r\n") +
-		var_dump(request.set_cookies, "", "\r\n") +
-		"\r\n";
-	request.out = headers + request.out;
-
 	for( auto &f : request.uploaded_files)
 	{
 		unlink(f.tmp_name);
@@ -86,14 +82,6 @@ int handle_complete(FastCGIRequest& request) {
 
 	cleanup_mysql_connections();
 
-	request.time_end = microtime();
-	printf("(r) pid:%i\t%s\t%0.6fs\t%0.1fkB\n",
-		my_pid,
-		request.params["REQUEST_URI"].c_str(),
-		request.time_end - request.time_start,
-		(f32)(request.out.length()/1024)
-	);
-
     return 0;
 }
 

test/cookie.uce

@@ -14,13 +14,13 @@ RENDER()
 
 		set_cookie("test-cookie-1", "test-value-1", time() + 30*60);
 		set_cookie("test-cookie-2", "test-value-2", time() + 30*60*24);
-		echo(var_dump(context->set_cookies));
+		print(var_dump(context->set_cookies));
 
 		?></pre>
 		Get
 		<pre><?
 
-		echo(var_dump(context->cookies));
+		print(var_dump(context->cookies));
 
 		?></pre>
 		Params

test/dtree.uce

@@ -16,16 +16,16 @@ RENDER()
 		<pre><?
 
 		t.set("String test");
-		echo(String("String test: ") + t.to_string()+"\n");
+		print(String("String test: ") + t.to_string()+"\n");
 
 		t.set(true);
-		echo(String("bool test: ") + t.to_string()+"\n");
+		print(String("bool test: ") + t.to_string()+"\n");
 
 		t.set(1234.5678);
-		echo(String("float test: ") + t.to_string()+"\n");
+		print(String("float test: ") + t.to_string()+"\n");
 
 		t.set(&t);
-		echo(String("pointer test: ") + t.to_string()+"\n");
+		print(String("pointer test: ") + t.to_string()+"\n");
 
 		?></pre>
 
@@ -43,7 +43,7 @@ RENDER()
 		t["g"]["x"]["y2"] = &t;
 		t["g"]["x"]["y3"] = time();
 		t["g"]["x"]["y4"] = "Ünicödä";
-		echo(var_dump(t));
+		print(var_dump(t));
 
 		?></pre>
 

test/inc-test.cpp

@@ -1,4 +1,4 @@
 void test_output()
 {
-	echo("hello from include!");
+	print("hello from include!");
 }

test/index.uce

@@ -26,8 +26,8 @@ RENDER()
 			<li><a href="fileio.uce">File I/O</a></li>
 		</ul>
 		<pre><?
-			echo("Worker PID: "+std::to_string(my_pid)+"\n");
-			echo("Parent PID: "+std::to_string(parent_pid)+" \n");
+			print("Worker PID: ", my_pid, "\n");
+			print("Parent PID: ", parent_pid, " \n");
 		?></pre>
 		<pre><?= (var_dump(p)) ?></pre>
 	</>

test/json.uce

@@ -29,14 +29,14 @@ RENDER()
 		t["l"] = context->params;
 
 		String j;
-		echo(j = json_encode(t));
+		print(j = json_encode(t));
 
 		?></pre>
 
 		Parsed:
 
 		<pre><?
-			echo(var_dump(
+			print(var_dump(
 				json_decode(j)
 			));
 		?></pre>
@@ -44,7 +44,7 @@ RENDER()
 		Compare:
 
 		<pre><?
-			echo(var_dump(
+			print(var_dump(
 				t
 			));
 		?></pre>

test/memcached.uce

@@ -17,7 +17,7 @@ RENDER()
 
 			auto sfd = memcache_connect();
 
-			echo(memcache_command(sfd, "stats"));
+			print(memcache_command(sfd, "stats"));
 
 		?></pre>
 
@@ -27,9 +27,9 @@ RENDER()
 
 			memcache_set(sfd, "test_key", "test_value");
 			memcache_set(sfd, "test_key2", "test_value2");
-			echo("raw:: "+memcache_command(sfd, "get test_key")+"\n");
-			echo("get:: "+memcache_get(sfd, "test_key")+"\n");
-			echo("multiple::\n"+var_dump(memcache_get_multiple(sfd, {"test_key", "test_key2"}))+"\n");
+			print("raw:: "+memcache_command(sfd, "get test_key")+"\n");
+			print("get:: "+memcache_get(sfd, "test_key")+"\n");
+			print("multiple::\n"+var_dump(memcache_get_multiple(sfd, {"test_key", "test_key2"}))+"\n");
 
 		?></pre>
 

test/mysql.uce

@@ -21,11 +21,11 @@ RENDER()
 			MySQL con;
 			if(con.connect("localhost", "root", ""))
 			{
-				echo("connection established\n");
-				echo("error: "+con.error()+"\n");
-				echo("quotation test: "+con.escape("‘\"' or 1=1;–.")+"\n");
-				echo("query parse: "+con.parse_query_parameters(query, params)+"\n");
-				echo(var_dump(con.query("SHOW DATABASES")));
+				print("connection established\n");
+				print("error: "+con.error()+"\n");
+				print("quotation test: "+con.escape("‘\"' or 1=1;–.")+"\n");
+				print("query parse: "+con.parse_query_parameters(query, params)+"\n");
+				print(var_dump(con.query("SHOW DATABASES")));
 				con.query("USE mysql");
 
 		?></pre>
@@ -34,7 +34,7 @@ RENDER()
 
 		<pre><?
 
-				echo(var_dump(con.query("SELECT * FROM user")));
+				print(var_dump(con.query("SELECT * FROM user")));
 
 			}
 

test/session.uce

@@ -18,17 +18,17 @@ RENDER()
 	if(action == "start")
 	{
 		session_start();
-		echo("action: starting session");
+		print("action: starting session");
 	}
 	else if(action == "store")
 	{
 		context->session["stored-value"] = make_session_id();
-		echo("action: storing value "+context->session["stored-value"]);
+		print("action: storing value "+context->session["stored-value"]);
 	}
 	else if(action == "destroy")
 	{
 		session_destroy();
-		echo("action: destroying session");
+		print("action: destroying session");
 	}
 
 	<>
@@ -40,9 +40,9 @@ RENDER()
 		Info
 		<pre><?
 
-		echo(var_dump(context->cookies));
-		echo("SESSION:\n");
-		echo(var_dump(context->session));
+		print(var_dump(context->cookies));
+		print("SESSION:\n");
+		print(var_dump(context->session));
 
 		?></pre>
 		Params

test/string.uce

@@ -0,0 +1,27 @@
+
+
+
+
+
+RENDER()
+{
+	DTree t;
+
+	<>
+		<link rel="stylesheet" href='style.css'></link>
+		<h1>
+			<a href="index.uce">UCE Test</a>:
+			Strings
+		</h1>
+
+		<pre style="white-space: pre-wrap"><?
+
+		print(String("!") + 60*60*24);
+
+		?></pre>
+
+		Params
+		<pre><?= var_dump(context->params) ?></pre>
+	</>
+
+}

test/working-dir.uce

@@ -10,7 +10,7 @@ RENDER()
 			Working Directory
 		</h1>
 		<pre><?
-			echo("Base WD: " + get_cwd() + "\n");
+			print("Base WD: " + get_cwd() + "\n");
 			context->invoke("test2/working-dir-test.uce");
 		?></pre>
 		<pre><?= var_dump(context->params) ?></pre>