Add indent macro, because nested functions doesn't really work, this also does not really work

1 files changed, 25 insertions, 0 deletions

diff --git a/src/macro_processor/macro_processor.rs b/src/macro_processor/macro_processor.rs
index 7ec296e..cec742e 100644
--- a/src/macro_processor/macro_processor.rs
+++ b/src/macro_processor/macro_processor.rs
@@ -197,6 +197,27 @@ fn smp_builtin_expr(
     }
 }
 
+/// Indent argument 2 by N spaces
+fn smp_builtin_indent(
+    smp: &mut MacroProcessor,
+    _macro_name: &str,
+    args: &mut [String],
+) -> Result<String, SMPError> {
+    let indent_size = args[0].parse::<u32>().unwrap_or(0);
+    let mut out = String::with_capacity(args[1].len());
+    for l in args[1].lines() {
+        let mut lin = String::with_capacity(indent_size.try_into().unwrap_or(0) + l.len());
+        if args.len() <= 2 && (args[2] != "skip_first") {
+            for _ in 0..indent_size {
+                lin.push(' ');
+            }
+        }
+        lin.push_str(&smp.process_input(&l)?);
+        out.push_str(&lin);
+    }
+    Ok(String::new())
+}
+
 /// Types of macros, this is to make it easy to store both functions and strings
 #[derive(Clone)]
 pub enum MacroType {
@@ -270,6 +291,10 @@ impl MacroProcessor {
             String::from("shell"),
             MacroType::Function(smp_builtin_shell),
         );
+        self.define_macro(
+            String::from("indent"),
+            MacroType::Function(smp_builtin_indent),
+        );
         self.define_macro(String::from("expr"), MacroType::Function(smp_builtin_expr));
         // format('Result id %d', 3282)
     }