1 files changed, 101 insertions, 0 deletions
diff --git a/blog_experiment/blog/html.py b/blog_experiment/blog/html.py
new file mode 100644
index 00000000..8aa92f4a
--- /dev/null
+++ b/blog_experiment/blog/html.py
@@ -0,0 +1,101 @@
+import itertools
+
+import htmlgenerator as h
+
+from blog import meta, pretty, gemtext
+
+
+def html_template(*content, page_title=None):
+    title = [h.A(meta.TITLE, href=f"{meta.SCHEMA}://{meta.HOST}")]
+    if page_title:
+        title += f" - {page_title}"
+
+    title = h.BaseElement(*title)
+
+    links = list(itertools.chain(*[(h.A(text, href=href), ", ") for text, href in meta.LINKS]))
+
+    links += h.BaseElement(f" {meta.EMAIL_TEXT}")
+
+    return pretty.pretty_html(h.render(
+        h.HTML(
+            h.HEAD(
+                h.TITLE(meta.TITLE + (f" - {page_title}" if page_title else "")),
+                h.LINK(rel="alternate", type="application/rss+xml", title=meta.TITLE, href=f"{meta.SCHEMA}://{meta.HOST}/feed/"),
+            ),
+            h.BODY(
+                h.H1(title),
+                h.H2(meta.SUBTITLE),
+                h.P(*links),
+                *content,
+            ),
+            doctype="html",
+        ),
+        {},
+    ))
+
+
+def gemini_to_html(parsed):
+    i = 0
+    result = []
+    while i < len(parsed):
+        gem_element = parsed[i]
+
+        if isinstance(gem_element, gemtext.Header):
+            header = [h.H1, h.H2, h.H3, h.H4, h.H5, h.H6][gem_element.level - 1]
+            result.append(header(gem_element.text))
+            i = i + 1
+            continue
+
+        if isinstance(gem_element, gemtext.List):
+            result.append(h.UL(*[h.LI(i.text) for i in gem_element.items]))
+            i = i + 1
+            continue
+
+        if isinstance(gem_element, gemtext.Link):
+            url = gem_element.url
+            if url.startswith("gemini://"):
+                if url.startswith("gemini://alex.corcoles.net/"):
+                    url = url.replace("gemini://alex.corcoles.net/", f"{meta.SCHEMA}://{meta.HOST}/")
+                else:
+                    url = url.replace("gemini://", "https://portal.mozz.us/gemini/")
+
+            result.append(h.P(h.A(gem_element.text or gem_element.url, href=url)))
+            i = i + 1
+            continue
+
+        if gem_element == gemtext.Line(""):
+            i = i + 1
+            continue
+
+        if isinstance(gem_element, gemtext.BlockQuote):
+            content = []
+            for line in gem_element.lines:
+                if line.text:
+                    content.append(line.text)
+                content.append(h.BR())
+            result.append(h.BLOCKQUOTE(*content))
+            i = i + 1
+            continue
+
+        if isinstance(gem_element, gemtext.Line):
+            paragraph = [gem_element.text]
+            i = i + 1
+            while i < len(parsed):
+                gem_element = parsed[i]
+                if isinstance(gem_element, gemtext.Line) and gem_element.text != "":
+                    paragraph.append(h.BR())
+                    paragraph.append(gem_element.text)
+                    i = i + 1
+                else:
+                    break
+            result.append(h.P(*paragraph))
+            continue
+
+        if isinstance(gem_element, gemtext.Pre):
+            result.append(h.PRE(gem_element.content))
+            i = i + 1
+            continue
+
+        assert False, f"unknown element {gem_element}"
+
+    return result