rm fmt_json

The actual to-json is something I should think about harder and do
right, or not at all. The to-plaintext helper is now in fmt_str.

I had originally added the json formatting as a quick way of getting
some output, before I had good markdown rendering. I don't need that
shim anymore.

src/main.rs

@@ -2,12 +2,10 @@ use std::io;
 use std::io::{stdin, Read};
 use std::string::ToString;
 
-use crate::fmt_json::TextOnly;
 use crate::fmt_md::MdOptions;
 use crate::output::Stream;
 use crate::tree::MdqNode;
 
-mod fmt_json;
 mod fmt_md;
 mod fmt_str;
 mod output;
@@ -33,9 +31,6 @@ fn main() {
 
     let found = selector.find(&mdq);
 
-    let jsons = fmt_json::nodes_to_json::<_, TextOnly>(&found);
-    println!("{}", jsons);
-    out.write_str("\n\n=======================================\n\n");
     fmt_md::write_md(&MdOptions::default(), &mut out, &found);
     out.write_str("\n");
 }

src/select.rs

@@ -1,4 +1,4 @@
-use crate::fmt_json;
+use crate::fmt_str::inlines_to_plain_string;
 use crate::tree::*;
 
 #[allow(dead_code)]
@@ -69,7 +69,7 @@ impl Selector {
             MdqNode::Root(Root { body }) => SelectResult::Recurse(body),
             MdqNode::Header(Header { title, body, .. }) => {
                 if let Selector::Heading(matcher) = self {
-                    if matcher.matches(&Self::line_to_string(title)) {
+                    if matcher.matches(&inlines_to_plain_string(title)) {
                         SelectResult::Found(body.iter().map(|elem| elem).collect())
                     } else {
                         SelectResult::Recurse(body)
@@ -145,8 +145,4 @@ impl Selector {
     fn find_in_children<'a>(&'a self, children: &'a Vec<MdqNode>) -> Vec<&MdqNode> {
         children.iter().flat_map(|elem| self.find(elem)).collect()
     }
-
-    fn line_to_string(line: &[Inline]) -> String {
-        fmt_json::TextOnly::line_to_string(line)
-    }
 }