From 530ffd0b7d3c39757b20f00716e486b5caf89aff Mon Sep 17 00:00:00 2001
From: sanine <sanine.not@pm.me>
Date: Wed, 12 Oct 2022 12:03:23 -0500
Subject: add cairo

---
 libs/cairo-1.16.0/util/xr2cairo | 49 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100755 libs/cairo-1.16.0/util/xr2cairo

(limited to 'libs/cairo-1.16.0/util/xr2cairo')

diff --git a/libs/cairo-1.16.0/util/xr2cairo b/libs/cairo-1.16.0/util/xr2cairo
new file mode 100755
index 0000000..c749aa4
--- /dev/null
+++ b/libs/cairo-1.16.0/util/xr2cairo
@@ -0,0 +1,49 @@
+#!/bin/sh
+set -e
+
+if [ $# -lt 1 ]; then
+    argv0=`basename $0`
+    echo "$argv0: Convert source code written for Xr to use Cairo instead." >&2
+    echo "" >&2
+    echo "Usage: $argv0 file [...]" >&2
+    exit 1
+fi
+
+xr2cairo() {
+	file=$1
+	backup=$file.xr
+
+	if [ -e $backup ]; then
+		echo "Warning: Backup file $backup already exists --- not backing up this time." >&2
+	else
+		cp $file $backup
+	fi
+	sed -e '
+		s/\(Xr[a-zA-Z]*\)RGB/\1Rgb/g
+		s/\(Xr[a-zA-Z]*\)NextTo/\1Similar/g
+
+		s/Xr\([A-Z]\+[a-z]\+\)\([A-Z]\+[a-z]\+\)\([A-Z]\+[a-z]\+\)\([A-Z]\+[a-z]\+\)\([A-Z]\+[a-z]\+\)/\Lcairo_\1_\2_\3_\4_\5\E/g
+		s/Xr\([A-Z]\+[a-z]\+\)\([A-Z]\+[a-z]\+\)\([A-Z]\+[a-z]\+\)\([A-Z]\+[a-z]\+\)/\Lcairo_\1_\2_\3_\4\E/g
+		s/Xr\([A-Z]\+[a-z]\+\)\([A-Z]\+[a-z]\+\)\([A-Z]\+[a-z]\+\)/\Lcairo_\1_\2_\3\E/g
+		s/Xr\([A-Z]\+[a-z]\+\)\([A-Z]\+[a-z0-9]\+\)/\Lcairo_\1_\2\E/g
+		s/Xr\([A-Z]\+[a-z]\+\)/\Lcairo_\1\E/g
+
+		s/\(cairo_\(operator\|status\|fill_rule\|line_cap\|line_join\|filter\|format\)_[a-z0-9_]\{2,\}\)/\U\1/g
+
+		s/cairo_\(fill_rule\|line_cap\|line_join\|format\|operator\|status\|filter\|surface\|matrix\)$/cairo_\1_t/g
+		s/cairo_\(fill_rule\|line_cap\|line_join\|format\|operator\|status\|filter\|surface\|matrix\)\([^_]\)/cairo_\1_t\2/g
+		s/_cairo_\(fill_rule\|line_cap\|line_join\|format\|operator\|status\|filter\|surface\|matrix\)_t/cairo_\1/g
+		s/cairo_state/cairo_t/g
+		s/_cairo_t\([^a-zA-Z0-9_]\)/cairo\1/g
+
+		s/Xr\.h/cairo.h/g
+
+		' $backup > $file
+}
+
+while [ $# -gt 0 ]; do
+	file=$1
+	shift
+	xr2cairo $file
+done
+
-- 
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