From 14375c5289e84690cacd0ec9b511cefef088f0a5 Mon Sep 17 00:00:00 2001
From: Volpeon <git@volpeon.ink>
Date: Sat, 2 Jan 2021 16:47:15 +0100
Subject: Use Pygments for syntax highlighting, design adjustments, preload
 fonts

---
 filters/common_actions.lua  | 45 +++++++++++++++++++++++++++++++++++++++++++++
 filters/element_classes.lua | 15 ---------------
 filters/macros.lua          | 23 -----------------------
 3 files changed, 45 insertions(+), 38 deletions(-)
 create mode 100644 filters/common_actions.lua
 delete mode 100644 filters/element_classes.lua
 delete mode 100644 filters/macros.lua

(limited to 'filters')

diff --git a/filters/common_actions.lua b/filters/common_actions.lua
new file mode 100644
index 0000000..1d13e3a
--- /dev/null
+++ b/filters/common_actions.lua
@@ -0,0 +1,45 @@
+function CodeBlock(el)
+    if next(el.classes) == nil then
+        el.classes = el.classes .. {'c-page__prefixed', 'c-page__prefixed--pre'}
+    else
+        local formatted = pandoc.pipe('pygmentize', {'-l', el.classes[1], '-f', 'html', '-O', 'cssclass=c-page__code s-code'}, el.text)
+        el = pandoc.RawBlock('html', formatted)
+    end
+
+    return el
+end
+
+function Header(el)
+    if el.level == 1 then
+        el.classes = el.classes .. {'c-page__prefixed', 'c-page__prefixed--h1'}
+    elseif el.level == 2 then
+        el.classes = el.classes .. {'c-page__prefixed', 'c-page__prefixed--h2'}
+    elseif el.level == 3 then
+        el.classes = el.classes .. {'c-page__prefixed', 'c-page__prefixed--h3'}
+    end
+    return el
+end
+
+function Div(el)
+    if el.attributes.macro == nil then
+        return el
+    end
+
+    if el.attributes.macro == 'refs' and el.content[1].tag == 'BulletList' then
+        local newchildren = pandoc.List()
+
+        newchildren:insert(pandoc.RawBlock('html', '<ul>'))
+
+        for k, children in ipairs(el.content[1].content) do
+            newchildren:insert(pandoc.RawBlock('html', '<li class="c-page__prefixed c-page__prefixed--ref">'))
+            newchildren:extend(children)
+            newchildren:insert(pandoc.RawBlock('html', '</li>'))
+        end
+
+        newchildren:insert(pandoc.RawBlock('html', '</ul>'))
+
+        el.content = newchildren
+    end
+
+    return el.content
+end
diff --git a/filters/element_classes.lua b/filters/element_classes.lua
deleted file mode 100644
index 643ff75..0000000
--- a/filters/element_classes.lua
+++ /dev/null
@@ -1,15 +0,0 @@
-function CodeBlock(el)
-    el.attributes.class = 'c-page__prefixed c-page__prefixed--pre'
-    return el
-end
-
-function Header(el)
-    if el.level == 1 then
-        el.attributes.class = 'c-page__prefixed c-page__prefixed--h1'
-    elseif el.level == 2 then
-        el.attributes.class = 'c-page__prefixed c-page__prefixed--h2'
-    elseif el.level == 3 then
-        el.attributes.class = 'c-page__prefixed c-page__prefixed--h3'
-    end
-    return el
-end
diff --git a/filters/macros.lua b/filters/macros.lua
deleted file mode 100644
index 86e94ba..0000000
--- a/filters/macros.lua
+++ /dev/null
@@ -1,23 +0,0 @@
-function Div(el)
-    if el.attributes.macro == nil then
-        return el
-    end
-
-    if el.attributes.macro == 'refs' and el.content[1].tag == 'BulletList' then
-        local newchildren = pandoc.List()
-
-        newchildren:insert(pandoc.RawBlock('html', '<ul>'))
-
-        for k, children in ipairs(el.content[1].content) do
-            newchildren:insert(pandoc.RawBlock('html', '<li class="c-page__prefixed c-page__prefixed--ref">'))
-            newchildren:extend(children)
-            newchildren:insert(pandoc.RawBlock('html', '</li>'))
-        end
-
-        newchildren:insert(pandoc.RawBlock('html', '</ul>'))
-
-        el.content = newchildren
-    end
-
-    return el.content
-end
-- 
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