simplify example cases

examples.py

@@ -2,6 +2,7 @@ import parsel
 import httpx
 from pathlib import Path
 from textwrap import indent
+from subprocess import Popen, PIPE
 
 VERSION = '0.31.2'
 
@@ -17,36 +18,41 @@ else:
     CACHE.write_text(response.text)
     sel = parsel.Selector(response.text)
 
-print(
-'''const std = @import("std");
+
+formatter = Popen(['zig', 'fmt', '--stdin'], stdin=PIPE, encoding='utf-8')
+assert formatter.stdin
+
+write = formatter.stdin.write
+
+write(f'''
+    //! Example cases from Commonmark spec {VERSION}
+    //! {URL}
+
+    const std = @import("std");
     const convert = @import("main.zig").convert;
-'''
-)
+''')
 
 for example in sel.css('.example'):
     name = example.css('.examplenum > a::text').get()
-    md = example.css('.language-markdown::text').get()
-    html = example.css('.language-html::text').get()
+
+    md = ''.join(example.css('.language-markdown *::text').getall())
+    html = ''.join(example.css('.language-html *::text').getall())
 
     assert name is not None
 
-    print(f'''
+    write(f'''
         test "{name}" {{
-    const alloc = std.testing.allocator;
-
-    const md = (
+            const output = try convert(std.testing.allocator,
                 {indent(md, r'\\', lambda _: True) if md else '""'}
             );
-    const html = (
+            defer std.testing.allocator.free(output);
+
+            try std.testing.expectEqualStrings(
                 {indent(html, r'\\', lambda _: True) if html else '""'}
+                ,
+                output
             );
-
-    const output = try convert(alloc, md);
-    defer alloc.free(output);
-
-    try std.testing.expectEqualStrings(html, output);
         }}
     ''')
 
-    # mdtext = textwrap.indent("md", '\\')
-
+formatter.stdin.close()