Add 'ziglue/' from commit '323816262704dbee1fc1b2aa08204d55d4386b16'

git-subtree-dir: ziglue
git-subtree-mainline: d955ccf17d
git-subtree-split: 3238162627

ziglue/examples.py

@@ -0,0 +1,61 @@
+import parsel
+import httpx
+from pathlib import Path
+from textwrap import indent
+from subprocess import Popen, PIPE
+
+VERSION = '0.31.2'
+
+CACHE = Path('.spec', VERSION)
+URL = f'https://spec.commonmark.org/{VERSION}/'
+
+if CACHE.exists():
+    sel = parsel.Selector(CACHE.read_text())
+else:
+    response = httpx.get('https://spec.commonmark.org/0.31.2/')
+    response.raise_for_status()
+    CACHE.parent.mkdir(parents=True, exist_ok=True)
+    CACHE.write_text(response.text)
+    sel = parsel.Selector(response.text)
+
+
+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 = ''.join(example.css('.language-markdown *::text').getall())
+    html = ''.join(example.css('.language-html *::text').getall())
+
+    md = md.replace('→', '    ')
+    html = html.replace('→', '    ')
+
+    assert name is not None
+
+    write(f'''
+        test "{name}" {{
+            const output = try convert(std.testing.allocator,
+                {indent(md, r'\\', lambda _: True) if md else '""'}
+            );
+            defer std.testing.allocator.free(output);
+
+            try std.testing.expectEqualStrings(
+                {indent(html, r'\\', lambda _: True) if html else '""'}
+                ,
+                output
+            );
+        }}
+    ''')
+
+formatter.stdin.close()