From bce5fdfa3ab60ae443fd5ae32424826e9296f59a Mon Sep 17 00:00:00 2001
From: Volpeon <git@volpeon.ink>
Date: Sun, 10 Jul 2022 11:23:10 +0200
Subject: Add support for custom emojis

---
 filters/emojis.lua     | 17 +++++++++++++++++
 filters/lib/common.lua | 13 ++++++++++++-
 filters/vars.lua       | 15 +++------------
 3 files changed, 32 insertions(+), 13 deletions(-)
 create mode 100644 filters/emojis.lua

(limited to 'filters')

diff --git a/filters/emojis.lua b/filters/emojis.lua
new file mode 100644
index 0000000..5eb9d4b
--- /dev/null
+++ b/filters/emojis.lua
@@ -0,0 +1,17 @@
+local common = require 'filters.lib.common'
+
+function Str(el)
+    local prefix, emojiref, suffix = el.text:match('^(.*):([^ ]+):(.*)$')
+
+    if emojiref then
+        local els = pandoc.List()
+    
+        els:insert(pandoc.Str(prefix))
+        els:insert(pandoc.Image(emojiref, "/emojis/" .. emojiref .. ".png", emojiref, { class = 'o-emoji' }))
+        els:insert(pandoc.Str(suffix))
+    
+        return els
+    end
+
+    return el
+end
diff --git a/filters/lib/common.lua b/filters/lib/common.lua
index 7654eb9..4d44ff3 100644
--- a/filters/lib/common.lua
+++ b/filters/lib/common.lua
@@ -25,6 +25,17 @@ function dump(o)
     end
 end
 
+function string.split(str, sep)
+    sep = sep or '%s'
+
+    local parts = pandoc.List()
+
+    for field, s in str:gmatch("([^" .. sep .. "]*)(" .. sep .. "?)") do
+        parts:insert(field)
+        if s == "" then return parts end
+    end
+end
+
 return {
-    wide = wide
+    wide = wide, dump = dump
 }
diff --git a/filters/vars.lua b/filters/vars.lua
index e60019e..b0fa66c 100644
--- a/filters/vars.lua
+++ b/filters/vars.lua
@@ -1,20 +1,11 @@
-local vars = {}
-
-function string.split(str, sep)
-    sep = sep or '%s'
-
-    local parts = pandoc.List()
+local common = require 'filters.lib.common'
 
-    for field, s in str:gmatch("([^" .. sep .. "]*)(" .. sep .. "?)") do
-        parts:insert(field)
-        if s == "" then return parts end
-    end
-end
+local vars = {}
 
 function meta(meta) vars = meta end
 
 function str(el)
-    local prefix, varref, suffix = el.text:match('^(.*)%%(.*)%%(.*)$')
+    local prefix, varref, suffix = el.text:match('^(.*)%%([^ ]+)%%(.*)$')
 
     if varref then
         local parts = varref:split(".")
-- 
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