From df3e022729ed4cdba89922d88eedb8a3be720fbf Mon Sep 17 00:00:00 2001
From: Alex Denes <caskd@redxen.eu>
Date: Thu, 24 Dec 2020 10:02:06 +0000
Subject: [PATCH] Initial commit

---
 script.zsh | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100755 script.zsh

diff --git a/script.zsh b/script.zsh
new file mode 100755
index 0000000..098164c
--- /dev/null
+++ b/script.zsh
@@ -0,0 +1,55 @@
+#!/bin/zsh
+
+FILE="$1"
+HEADER="$2"
+MODFILE="$3"
+IFS="$IFS;!}{.:"
+STYLESHEET_AR=($(< "$FILE"))
+STYLESHEET="$(< "$FILE")"
+typeset -A colorcnt
+typeset -A varnames
+for i in ${(Mc)${STYLESHEET_AR}:#\#??????} ${(Mc)STYLESHEET_AR:#\#???}; do
+	colorcnt[$i]=$(( ${colorcnt[$i]:-0} + 1 ))
+done
+for k i in ${(@kv)colorcnt}; do
+	local KEY="$(< /dev/urandom tr -dc A-Za-z0-9 | head -c 32)"
+	typeset -a arr
+	if [ ${#k} -eq 7 ]; then
+		arr=(${k:1:2} ${k:3:2} ${k:5:2})
+	elif [ ${#k} -eq 4 ]; then
+		arr=("${k[2]}0" "${k[3]}0" "${k[4]}0")
+	fi
+	if [ ${#varnames} -gt 0 ]; then
+		for name val in ${(@kv)varnames}; do
+			skip=0
+			local -a red=($(( 0x${val:0:2} )) $(( 0x${arr[1]} )))
+			local -a green=($(( 0x${val:2:2} )) $(( 0x${arr[2]} )))
+			local -a blue=($(( 0x${val:4:2} )) $(( 0x${arr[3]} )))
+			for m x in ${(nO)red} ${(nO)green} ${(nO)blue}; do
+				[ "$(( $m - $x ))" -gt 5 ] && skip=1 && break
+			done
+			[ $skip -eq 0 ] && <<< "Deduplicated #${(j::)arr} as #${val}" >&2 && break
+		done
+		if [ $skip -eq 0 ]; then
+			STYLESHEET="$(<<< "$STYLESHEET" sed s/\\"$k"/"var(--$name)"/g)"
+			<<< "Set $k as $name" >&2
+		else
+			STYLESHEET="$(<<< "$STYLESHEET" sed s/\\"$k"/"var(--$KEY)"/g)"
+			<<< "Set $k as $KEY" >&2
+			varnames[$KEY]="${(j::)arr}"
+		fi
+	else
+		STYLESHEET="$(<<< "$STYLESHEET" sed s/\\"$k"/"var(--$KEY)"/g)"
+		<<< "Set $k as $KEY" >&2
+		varnames[$KEY]="${(j::)arr}"
+	fi
+done
+(
+<<< ":root {"
+typeset -a sortname
+for name in ${(@nk)varnames}; do
+	<<< $'\t'"--$name: #${varnames[$name]};"
+done
+<<< "}"
+) > "$HEADER"
+<<< "$STYLESHEET" > "$MODFILE"