Basic if statements work.

I need to tweak the parser to get mid-tags working, then we can have
else, and maybe elif.

After that is expressions.

1 files changed, 21 insertions, 2 deletions

diff --git a/src/lib.rs b/src/lib.rs
index b0bc688..8c91686 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -65,7 +65,7 @@ enum Token {
     Loop(Identifier, Vec<Token>),
     Show(Identifier,Properties),
     If(Identifier, Vec<Token>),
-    ElseIf(Identifier, Vec<Token>),
+    ElIf(Identifier, Vec<Token>),
     Else(Vec<Token>),
     Text(String),
 }
@@ -205,6 +205,14 @@ fn exec(input: &impl MappedStructure, tokens: &Vec<Token>, buf: &mut String) ->
                     }
                 }
             }
+            Token::If(ident,code) => {
+                if let Some(value) = input.get_value( &ident ) &&
+                    let Value::Bool(b) = value &&
+                    b {
+                        
+                        exec(input, code, buf)?
+                }
+            }
             Token::Show(ident,p) => {
                 let format = if let Some(s) = p.get("format") {
                     s
@@ -219,6 +227,13 @@ fn exec(input: &impl MappedStructure, tokens: &Vec<Token>, buf: &mut String) ->
                         Value::List(_) => {
                             buf.push_str("<list>");
                         }
+                        Value::Bool(b) => {
+                            if b {
+                                buf.push_str("true");
+                            } else {
+                                buf.push_str("false");
+                            }
+                        }
                         Value::String(s) => {
                             buf.push_str(s.as_str());
                         }
@@ -313,7 +328,7 @@ Now with explicit outputs:
         let mut ct = Crimtag::new();
         if let Err(e) = ct.load_static(r#"Looping code:
 [|view "index"|>We will enumerate people here:[|loop people|>
- - [|show last_name|], [|show first_name|]: [|show title|] [|loop tags|> [|show tag|]<|loop|] <|loop|]
+ - [|show last_name|], [|show first_name|][|if show_title |>: [|show title|] <|if|] [|loop tags|> [|show tag|]<|loop|] <|loop|]
 <|view|]
 "#) {
         println!("Error: {:?}", e );
@@ -325,21 +340,25 @@ Now with explicit outputs:
                 [
                     ("first_name".into(), "Joe".into()),
                     ("last_name".into(), "Smith".into()),
+                    ("show_title".into(), true.into()),
                     ("title".into(), "CEO".into()),
                 ].into(),
                 [
                     ("first_name".into(), "Chris".into()),
                     ("last_name".into(), "Perkens".into()),
+                    ("show_title".into(), false.into()),
                     ("title".into(), "Baconeer".into()),
                 ].into(),
                 [
                     ("first_name".into(), "Will".into()),
                     ("last_name".into(), "Power".into()),
+                    ("show_title".into(), false.into()),
                     ("title".into(), "CFO".into()),
                 ].into(),
                 [
                     ("first_name".into(), "Justin".into()),
                     ("last_name".into(), "Time".into()),
+                    ("show_title".into(), true.into()),
                     ("title".into(), "CIO".into()),
                 ].into(),
             ].into()),