atom feed!

common.typ

@@ -294,8 +294,10 @@ document.addEventListener('scroll', (event) => {
 #let people = (
   alex: (
     nick: "alex_s168",
+    name: "Alexander Nutz",
     url: "https://alex.vxcc.dev",
     badge: "https://alex.vxcc.dev/res/badge.png",
+    mail: "nutz.alexander@vxcc.dev",
   ),
   ote: (
     nick: "otesunki",
@@ -309,7 +311,7 @@ document.addEventListener('scroll', (event) => {
   ),
 )
 
-#metadata(json.encode(people)) <meta-people>
+#metadata(people) <meta-people>
 
 #let person(p) = {
   flink(p.url, p.nick)

config.py

@@ -22,16 +22,18 @@ rule typst
 
 rule git_inp
   command = git log -1 --format="--input git_rev=%H --input git_commit_date=\\\"%ad\\\"" --date="format:%d. %B %Y %H:%M" -- $in > $out.temp && \
-            cmp -s $out.temp $out || mv $out.temp $out; \
-            rm -f $out.temp
+              cmp -s $out.temp $out || mv $out.temp $out; \
+            git log -1 --format="%cI" -- $in > $out.iso.temp && \
+              cmp -s $out.iso.temp $out || mv $out.iso.temp $out.iso; \
+            rm -f $out.temp $out.iso.temp
   restat = 1
 
 rule badges_list
-  command = typst query $in "<meta-people>" --root . --input query=true --field value --one | jq -r . | jq -r 'to_entries[] | [.key,.value.badge] | @tsv' > $out
+  command = typst query $in "<meta-people>" --root . --input query=true --field value --one | jq -r 'to_entries[] | [.key,.value.badge] | @tsv' > $out
 build build/badges.txt: badges_list common.typ
 
 rule curl
-  command = curl $url > $out
+  command = curl $curlflags $url > $out
 
 rule cp
   command = cp $flags $in $out
@@ -44,7 +46,10 @@ rule runclean
 build clean : runclean
 
 rule ttf2woff
-  command = fonttools ttLib.woff2 compress $in -o $out
+  command = fonttools ttLib.woff2 compress $in -o $out 2>/dev/null
+
+rule python
+  command = python $in
 
 rule python_capture
   command = python $in > $out
@@ -54,18 +59,16 @@ rule minhtml
 
 build build.ninja: regen | config.py build/badges.txt res pages
 
-build build/deploy/coffee.js : python_capture gen_coffee_js.py
-
 rule cargo_release_bin
   command = (cd $in && cargo build --release) && cp $in/target/release/$file $out
   pool = console
 
-build build/coffee_server : cargo_release_bin coffee
-  file = coffee
-
 rule expect_img_size
   command = eval "[ $$(ffprobe -v error -select_streams v:0 -show_entries stream=width,height -of csv=s=x:p=0 $in) = $size ]" && touch $out
 
+rule touch
+  command = touch $out
+
 rule ffmpeg_compress
   command = ffmpeg -y -i $in -compression_level 100 $out -hide_banner -loglevel error
 
@@ -73,11 +76,27 @@ rule pngquant
   command = pngquant $in -o $out --force --quality $quality
 """
 
+gen += """
+build build/deploy/coffee.js : python_capture gen_coffee_js.py
+
+build build/coffee_server : cargo_release_bin coffee
+  file = coffee
+"""
 web_targets.append("build/deploy/coffee.js")
 web_targets.append("build/coffee_server")
 
 pages = [x for x in os.listdir("./pages/")]
-fonts = [x for x in os.listdir("./fonts/")]
+
+gen += """
+build build/pages.typ build/pages.json : python pages.gen.py | pages.in.typ
+
+build gen_typst: phony build/pages.typ | """+ " ".join(f"build/{x}.git_rev.txt.iso" for x in pages) +"""
+"""
+
+gen += """
+build build/deploy/atom.xml : python gen_feed.py | build/pages.json """ + " ".join(f"build/{x}.nano.html" for x in pages) + """
+"""
+web_targets.append("build/deploy/atom.xml")
 
 variants = [
     {
@@ -101,11 +120,11 @@ variants = [
 for page in pages:
     gr = "build/" + page + ".git_rev.txt"
     gen += "\n"
-    gen += "build "+gr+" : git_inp pages/" + page + " | build/git_rev.txt"
+    gen += "build "+gr+" | "+gr+".iso : git_inp pages/" + page + " | build/git_rev.txt\n"
     for var in variants:
         tg = "build/" + page + var["suffix"]
         gen += "\n"
-        gen += "build "+tg+" : typst " + "pages/" + page + " | "+gr+"\n"
+        gen += "build "+tg+" : typst " + "pages/" + page + " | "+gr+" || gen_typst\n"
         gen += "  flags = " + var["args"] + " $$(cat "+gr+")\n"
         if tg.endswith(".html"):
             gen += "\n"
@@ -142,11 +161,13 @@ if os.path.isfile("build/badges.txt"):
         else:
             gen += f"curl |@ {val}\n"
             gen += "  url = "+url+"\n"
+            gen += "  curlflags = -k"
 
         gen += "\n"
         gen += f"build {val} : expect_img_size {tg}\n"
         gen += f"  size = 88x31"
 
+fonts = [x for x in os.listdir("./fonts/")]
 for font in fonts:
     font = font.replace(".ttf", "")
     tg = f"build/deploy/res/{font}.woff2"

gen_feed.py

@@ -0,0 +1,58 @@
+import sys, json
+from feedgen.feed import FeedGenerator
+
+fg = FeedGenerator()
+
+articles = 0
+with open("build/pages.json", "r") as f:
+    articles = json.load(f)
+articles = [x for x in articles if x["in-feed"] == True]
+
+all_authors = {}
+for article in articles:
+    authors = article["authors"]
+    for author in authors:
+        nick = author["nick"]
+        name = author.get("name", nick)
+        mail = author.get("mail", None)
+        url = author.get("url", None)
+        out = {"name":name}
+        if mail:
+            out["email"] = mail
+        if url:
+            out["uri"] = url
+        all_authors[nick] = out
+
+fg.author([v for _,v in all_authors.items()])
+
+fg.id("https://alex.vxcc.dev")
+fg.title("alex168's block")
+fg.subtitle("alex_s168's blog")
+fg.icon("https://vxcc.dev/alex/res/favicon.png")
+fg.language("en-US")
+fg.link(href="https://alex.vxcc.dev/atom.xml", rel="self")
+fg.link(href="https://alex.vxcc.dev/", rel="alternate")
+
+for article in reversed(articles):
+    page = article["page"]
+    url = article["url"]
+    title = article["title"]
+    summary = article["summary"]
+    modified = article["modified"]
+    authors = article["authors"]
+
+    content = None
+    with open(f"./build/{page}.nano.html", "r") as f:
+        content = f.read()
+
+    fe = fg.add_entry()
+    fe.id(f"https://vxcc.dev/alex/{url}")
+    fe.title(title)
+    fe.summary(summary)
+    fe.link(href=url)
+    fe.updated(modified)
+    fe.content(content, type="html")
+
+    fe.author([all_authors[x["nick"]] for x in authors])
+
+fg.atom_file("build/deploy/atom.xml")

pages.gen.py

@@ -0,0 +1,107 @@
+import sys, json, subprocess
+
+def typst_encode_pre(e, ind="  "):
+    if isinstance(e, dict):
+        if len(e.items()) == 0:
+            return ["(:)"]
+        elif len(e.items()) == 1:
+            k,v = list(e.items())[0]
+            v = typst_encode_pre(v, ind)
+            out = ["(" + k + ": " + v[0]]
+            out.extend(v[1:])
+            out[-1] = out[-1] + ")"
+            return out
+        else:
+            out = ["("]
+            first = True
+            for k,v in e.items():
+                if not first:
+                    out[-1] = out[-1] + ","
+                first = False
+                v = typst_encode_pre(v, ind)
+                out.append(ind + k + ": " + v[0])
+                out.extend(ind+x for x in v[1:])
+                out[-1] = out[-1]
+            out.append(")")
+            return out
+    elif isinstance(e, list):
+        if len(e) == 0:
+            return ["()"]
+        elif len(e) == 1:
+            v = typst_encode_pre(e[0], ind)
+            out = ["(" + v[0]]
+            out.extend(v[1:])
+            out[-1] = out[-1] + ")"
+            return out
+        else:
+            out = ["("]
+            first = True
+            for v in e:
+                if not first:
+                    out[-1] = out[-1] + ","
+                first = False
+                v = typst_encode_pre(v, ind)
+                out.append(ind + v[0])
+                out.extend(ind+x for x in v[1:])
+                out[-1] = out[-1]
+            out.append(")")
+            return out
+    elif isinstance(e, bool):
+        return ["true" if e else "false"]
+    elif isinstance(e, int) or isinstance(e, float):
+        return [str(e)]
+    elif isinstance(e, str):
+        # TODO: can do better (newlines)
+        return [json.dumps(e)]
+    else:
+        raise ValueError(f"can't typst encode {e}")
+
+def typst_encode(e):
+    e = typst_encode_pre(e)
+    return "\n".join(e)
+
+def typst_query_one(path, tag):
+    meta = subprocess.run([
+        "typst", "query", path, tag,
+        "--one",
+        "--field", "value",
+        "--root", ".",
+        "--input", "query=true",
+        "--features", "html"
+    ], capture_output=True)
+    meta = meta.stdout.decode("utf-8").strip()
+    if len(meta) == 0:
+        return None
+    return json.loads(meta)
+
+out = []
+for page in typst_query_one("pages.in.typ", "<articles>"):
+    p_page = page["page"]
+    p_feed = page["feed"]
+    p_homepage = page["homepage"]
+
+    path = f"pages/{p_page}"
+
+    meta = typst_query_one(path, "<feed-ent>")
+
+    last_changed = None
+    with open(f"build/{p_page}.git_rev.txt.iso", "r") as f:
+        last_changed = f.read().strip()
+
+    res = {
+        "url": f"{p_page}.desktop.html",
+        "page": p_page,
+        "in-feed": p_feed,
+        "in-homepage": p_homepage,
+        "authors": meta["authors"],
+        "title": meta["title"],
+        "summary": meta["summary"],
+        "modified": last_changed,
+    }
+    out.append(res)
+
+with open("build/pages.typ", "w") as f:
+    f.write("#let articles = " + typst_encode(out) + "\n")
+
+with open("build/pages.json", "w") as f:
+    json.dump(out, f)

pages.in.typ

@@ -0,0 +1,30 @@
+
+// don't import this file directly! it will be post processed by the build script
+// generates build/pages.typ
+
+// first element in list will show up first in the homepage and the feed => needs to be newest article!
+#let articles = (
+  (
+    page: "article-gpu-arch-1.typ",
+    // unfinished
+    feed: false,
+    homepage: false,
+  ),
+  (
+    page: "compiler-pattern-matching.typ",
+    feed: true,
+    homepage: true,
+  ),
+  (
+    page: "article-favicon.typ",
+    feed: true,
+    homepage: true,
+  ),
+  (
+    page: "article-make-regex-engine-1.typ",
+    feed: true,
+    homepage: true,
+  ),
+)
+
+#metadata(articles) <articles>

pages/article-favicon.typ

@@ -1,18 +1,27 @@
 #import "../common.typ": *
 #import "../simple-page-layout.typ": *
 #import "../core-page-style.typ": *
-#import "../components/header.typ": rev-and-authors
+#import "../components/header.typ": *
+
+#let article = (
+  authors: (people.alex,),
+  title: "The making of the favicon",
+  html-title: "The making of the favicon",
+  summary: "It turns out that websites need a favicon, and making one is hard..."
+)
+
+#metadata(article) <feed-ent>
 
 #simple-page(
   gen-table-of-contents: true,
-  [The making of the favicon]
+  article.html-title
 )[
 
 #section[
-  #title[The making of the favicon]
+  #title(article.title)
 
   #sized-p(small-font-size)[
-    #rev-and-authors((people.alex,))
+    #rev-and-authors(article.authors)
   ]
 ]
 

pages/article-gpu-arch-1.typ

@@ -3,16 +3,25 @@
 #import "../core-page-style.typ": *
 #import "../components/header.typ": *
 
+#let article = (
+  authors: (people.alex,),
+  title: "Designing a GPU architecture: Waves",
+  html-title: "Designing a GPU architecture: Waves",
+  summary: "Exploring GPU architecture and designing our own. Part 1: wavefronts / warps"
+)
+
+#metadata(article) <feed-ent>
+
 #simple-page(
   gen-table-of-contents: true,
-  [Designing a GPU architecture: Waves]
+  article.html-title
 )[
 
 #section[
-  #title[Designing a GPU Architecture: Waves]
+  #title(article.title)
 
   #sized-p(small-font-size)[
-    #rev-and-authors((people.alex,))
+    #rev-and-authors(article.authors)
   ]
 ]
 

pages/article-make-regex-engine-1.typ

@@ -3,18 +3,26 @@
 #import "../core-page-style.typ": *
 #import "../components/header.typ": *
 
+#let article = (
+  authors: (people.alex,),
+  title: "Making a simple RegEx engine:
+Part 1: Introduction to RegEx",
+  html-title: "Introduction to RegEx",
+  summary: "Do you also think that all RegEx engines kinda suck and you want to make your own? probably not"
+)
+
+#metadata(article) <feed-ent>
+
 #simple-page(
   gen-table-of-contents: true,
-  [Introduction to RegEx]
+  article.html-title
 )[
 
 #section[
-  #title[Making a simple RegEx engine]
-
-  #title[Part 1: Introduction to RegEx]
+  #title(article.title)
 
   #sized-p(small-font-size)[
-    #rev-and-authors((people.alex,))
+    #rev-and-authors(article.authors)
   ]
 ]
 

pages/compiler-pattern-matching.typ

@@ -3,16 +3,25 @@
 #import "../core-page-style.typ": *
 #import "../components/header.typ": *
 
+#let article = (
+  authors: (people.alex,),
+  title: "Approaches to pattern matching in compilers",
+  html-title: "Approaches to Compiler Pattern Matching",
+  summary: "If you are working an more advanced compilers, you probably had to work with pattern matching already. In this article, we will explore different approaches.",
+)
+
+#metadata(article) <feed-ent>
+
 #simple-page(
   gen-table-of-contents: true,
-  [Approaches to Pattern Matching - Alexander Nutz]
+  article.html-title
 )[
 
 #section[
-  #title[Approaches to pattern matching in compilers]
+  #title(article.title)
 
   #sized-p(small-font-size)[
-    #rev-and-authors((people.alex,))
+    #rev-and-authors(article.authors)
   ]
 ]
 
@@ -314,7 +323,7 @@
   Modern processor architecture features like superscalar execution make this even more complicated.
 
   \
-  As a simple, *non realistic* example, let's imagine a CPU (core) that has one bit operations execution unit,
+  As a simple, *unrealistic* example, let's imagine a CPU (core) that has one bit operations execution unit,
   and two ALU execution units / ports. \
   This means that the CPU can execute two instructions in the ALU unit and one instruction in the bit ops unit at the same time.
 ]

pages/index.typ

@@ -1,6 +1,7 @@
 #import "../common.typ": *
 #import "../simple-page-layout.typ": *
 #import "../core-page-style.typ": *
+#import "../build/pages.typ": articles
 
 #let tree-list(..elements) = {
   gen-tree-from-headings(elemfn: (content, x) => [
@@ -24,14 +25,12 @@
   #title[alex_s168]
   #br()
 
-  Articles
+  Articles (#html-href("atom.xml")[Atom feed])
   #br()
-  #tree-list(
-    (level:1, body: [ Making a simple RegEx engine ]),
-     (level:2, body: html-href("article-make-regex-engine-1.typ.desktop.html")[ Part 1: Introduction to RegEx ]),
-    (level:1, body: html-href("compiler-pattern-matching.typ.desktop.html")[ Approaches to pattern matching in compilers ]),
-    (level:1, body: html-href("article-favicon.typ.desktop.html")[ Making of the favicon ]),
-  )
+  #tree-list(..articles.filter(x => x.in-homepage).map(x => (
+    level: 1,
+    body: html-href(x.url, x.title)
+  )))
   #br()
 
   Socials

simple-page-layout.typ

@@ -48,6 +48,8 @@
           // TODO: fix and re-add - #variant-link("less bloated HTML", ".min.html")
           - #variant-link("minimal HTML", ".nano.html")
         ]],
+        [#html-href("atom.xml")[Atom feed]
+         #context br()],
 
         [#context if is-html() {
           html.elem("style", "