Fix #9: Extract filter output for reuse in vars

1 files changed, 7 insertions, 0 deletions

diff --git a/src/barbfile.rs b/src/barbfile.rs
index 35b0224..91ffd0a 100644
--- a/src/barbfile.rs
+++ b/src/barbfile.rs
@@ -2,6 +2,7 @@ use regex::Regex;
 use std::str::FromStr;
 use std::string::ToString;
 use std::{error::Error, fmt};
+use jq_rs;
 
 #[derive(Debug)]
 pub struct BarbParseError {}
@@ -126,6 +127,12 @@ impl BarbFilter {
     pub fn filter(&self) -> &String {
         &self.filter
     }
+
+    pub fn apply(&self, body: &String) -> Result<String, String> {
+        jq_rs::run(self.filter.as_str(), body.as_str())
+            .map_err(|x| x.to_string())
+            .map(|x| String::from(x.trim().trim_matches('"')))
+    }
 }
 
 struct BarbPreamble {