strings in variables can now be received by get_string_token

and inputs can be directly assigned to a variable

server/src/parsing.rs

@@ -60,7 +60,7 @@ pub fn token_parse(
 			// Handle a character
 			Some(tokenise::Token::Character(character_name)) =>
 			{
-				index = match character_parse::character_parse(index+1,tokens,character_name.clone(),characters,happening_queue)
+				index = match character_parse::character_parse(index+1,tokens,character_name.clone(),characters,happening_queue,&variables)
 				{
 					Ok(increment) => increment,
 					Err((err,increment)) =>
@@ -83,9 +83,9 @@ pub fn token_parse(
 					},
 				};
 			}
-			Some(_) =>
+			Some(tok) =>
 			{
-				warn!("Unexpected token");
+				warn!("Unexpected token, at index {index}, expected character, keyword or identifier, got {tok:?}");
 				index += 1;
 			},
 			None => return Err("File unexpectedly reached termination point".to_string()),

server/src/parsing/character_parse.rs

@@ -25,6 +25,7 @@ pub fn character_parse
 	character_name: String,
 	characters: &Arc<Mutex<HashMap::<String, character::Character>>>,
 	happening_queue: &Arc<Mutex<VecDeque<api::DataToSend>>>,
+	variables: &HashMap<String, tokenise::Value>,
 ) -> Result<usize,(String,usize)>
 {
 	let mut sum_index: usize = index;
@@ -45,7 +46,7 @@ pub fn character_parse
 		{
 			info!("SAYS command with character {character_name}");
 			sum_index += 1;
-			let output = tokenise::get_string_token(tokens, sum_index)
+			let output = tokenise::get_string_token(tokens, sum_index, variables)
 				.map_err(|err| (err, sum_index))?;
 			debug!("Saying {output}");
 			api::modify_data(happening_queue, "output".to_string(), output, character_name, vec![]);
@@ -58,7 +59,7 @@ pub fn character_parse
 			let feature = tokenise::get_keyword_token(tokens, sum_index)
 				.map_err(|err| (err, sum_index))?;
 			sum_index += 1;
-			let string = tokenise::get_string_token(tokens, sum_index)
+			let string = tokenise::get_string_token(tokens, sum_index,variables)
 				.map_err(|err| (err, sum_index))?;
 			info!("CHANGE command with character {character_name} feature {feature}");
 			let mut characters = characters.lock().unwrap_or_exit("Character Mutex was poisoned",3);

server/src/parsing/identifier_parse.rs

@@ -44,6 +44,10 @@ pub fn identifier_parse
 		// Another thing like a choice or an input
 		Err(_) =>
 		{
+			if operator != tokenise::Operator::Assignment // Only assignment is valid here
+			{
+				return Err((format!("Unexpected operator: {operator:?} at index {}",sum_index-1),sum_index + 1))
+			};
 			let keyword = tokenise::get_keyword_token(tokens,sum_index)
 				.map_err(|err| (err,sum_index))?;
 			match keyword.to_lowercase().as_str()
@@ -51,10 +55,24 @@ pub fn identifier_parse
 				"choice" =>
 				{
 					let choice: String;
-					(sum_index, choice) = keyword_parse::choice_parse(tokens, index+1, happening_queue,rx)
+					(sum_index, choice) = keyword_parse::choice_parse(tokens, index+1, happening_queue,rx,variables)
 						.map_err(|err| (err,sum_index+1))?;
 					variables.insert(identifier.to_owned(), tokenise::Value::String(choice));
-				}
+				},
+				"input" =>
+				{
+					api::modify_data(happening_queue, "input".to_string(), String::new(), String::new(), Vec::new());
+					let input = match rx.recv()
+					{
+						Ok((_,input)) => input,
+						Err(err) =>
+						{
+							warn!("Error receiving input from client, defaulting to choice \"\" {err}");
+							"".to_string()
+						}
+					};
+					variables.insert(identifier.to_owned(), tokenise::Value::String(input));
+				},
 				_ =>
 				{
 					warn!("Unexpected keyword {keyword}");

server/src/parsing/keyword_parse.rs

@@ -30,7 +30,7 @@ pub fn keyword_parse(
 	{
 		"choice" =>
 		{
-			(index,_) = choice_parse(tokens, index, happening_queue, rx)?;
+			(index,_) = choice_parse(tokens, index, happening_queue, rx,variables)?;
 		},
 		"if" =>
 		{
@@ -114,6 +114,7 @@ pub fn choice_parse
 	mut index: usize,
 	happening_queue: &Arc<Mutex<VecDeque<api::DataToSend>>>,
 	rx: &Receiver<(usize,String)>,
+	variables: &HashMap<String,tokenise::Value>,
 )
 -> Result<(usize,String), String>
 {
@@ -125,7 +126,7 @@ pub fn choice_parse
 		index += 1;
 		choices.push
 		(
-			tokenise::get_string_token(tokens, index)?
+			tokenise::get_string_token(tokens, index,variables)?
 		);
 		index += 1;
 		choice_indeces.push(index+1);

server/src/tokenise.rs

@@ -28,7 +28,7 @@ pub enum Bracket
 	Closing,
 }
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone,PartialEq)]
 pub enum Operator
 {
 	// Changing a value
@@ -39,7 +39,7 @@ pub enum Operator
 }
 
 // Comparing a value
-#[derive(Debug,Clone)]
+#[derive(Debug,Clone,PartialEq)]
 pub enum Comparison
 {
 	Equate,
@@ -60,22 +60,6 @@ pub fn get_operator_token(tokens: &[Token], index: usize)
 		None => Err("File unexpectedly reached termination point".to_string()),
 	}
 }
-pub fn get_string_token(tokens: &[Token], index: usize)
--> Result<String, String>
-{
-	match tokens.get(index) {
-		Some(Token::Value(val)) =>
-		{
-			match val
-			{
-				Value::String(s) => Ok(s.clone()),
-				_ => Err("Unexpected value type".to_string()),
-			}
-		},
-		Some(tok) => Err(format!("Unexpected token at index {index}, expected string value, got {tok:?}")),
-		None => Err("File unexpectedly reached termination point".to_string()),
-	}
-}
 pub fn get_keyword_token(tokens: &[Token], index: usize)
 -> Result<String, String>
 {
@@ -112,6 +96,34 @@ pub fn get_identifier_token(tokens: &[Token], index: usize)
 		None => Err("File unexpectedly reached termination point".to_string()),
 	}
 }
+pub fn get_string_token(tokens: &[Token], index: usize, variables: &HashMap<String, Value>)
+-> Result<String, String>
+{
+	match tokens.get(index) {
+		// Either get string directly
+		Some(Token::Value(val)) =>
+		{
+			match val
+			{
+				Value::String(s) => Ok(s.clone()),
+				_ => Err("Unexpected value type".to_string()),
+			}
+		},
+		// Or get the string that the identifier references
+		Some(Token::Identifier(iden)) =>
+		{
+			let val = variables.get(iden)
+				.ok_or(format!("Variable {iden} not initialised"))?;
+			match val
+			{
+				Value::String(s) => Ok(s.clone()),
+				_ => Err("Unexpected value type".to_string()),
+			}
+		},
+		Some(tok) => Err(format!("Unexpected token at index {index}, expected string value, got {tok:?}")),
+		None => Err("File unexpectedly reached termination point".to_string()),
+	}
+}
 
 // Tokenise the story to Vec<Token>
 // It can contain sub-objects (using recursive calls)

stories/story.ha

@@ -1,4 +1,6 @@
-@tim says "hello world, it's a good day"
+$name = input
+@tim says "hello"
+@tim says $name
 $x = 3
 $x + 1
 if $x == 4 {

test-client/main.py

@@ -44,6 +44,12 @@ def choice(choices):
 		print("Invalid choice, defaulting to 0")
 	requests.post(api_url, json=choice);
 
+def get_input():
+	api_url = "http://localhost:20264/input"
+	input_string = input()
+	requests.post(api_url, json=input_string);
+	
+
 # Character outputs text to the user
 def output(character, text):
 	print(character["name"], "says")