Read schema from a file.

.gitignore

@@ -1,4 +1,5 @@
 /target
 /Cargo.lock
+/schema.graphql
 
 .idea

schema.graphql.example

@@ -0,0 +1,14 @@
+schema {
+ query: Query
+}
+type Query {
+ users: [User!]!,
+}
+"""
+ Example user object
+
+ This is just a demo comment.
+"""
+type User {
+ name: String!,
+}

src/main.rs

@@ -1,24 +1,16 @@
-use std::io;
-use std::io::Write;
-
-use graphql_parser::query::parse_query;
+use graphql_parser::parse_schema;
 
 fn main() {
- loop {
- // Prompt user
- print!("> ");
- io::stdout().flush().unwrap();
+ // Get the schema file from the command line arguments or use the default.
+ let default_schema_file = "schema.graphql".to_string();
+ let schema_file = &std::env::args().nth(1).unwrap_or(default_schema_file);
 
- // Read input from stdin
- let mut input = String::new();
- io::stdin().read_line(&mut input).unwrap();
- let input = input.trim();
+ println!("schema_file: {}", schema_file);
 
-  // Parse input
-  let ast = parse_query::<&str>(input);
+ // Read the schema file and parse it into a schema object.
+ let schema_file = std::fs::read_to_string(schema_file).unwrap();
 
- println!("{:#?}", ast);
- }
-}
+ let ast = parse_schema::<String>(&schema_file).unwrap().to_owned();
 
-// fn run() {}
+ println!("{:#?}", ast);
+}