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author | Daniel Baumann <daniel@debian.org> | 2024-10-18 20:33:49 +0200 |
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committer | Daniel Baumann <daniel@debian.org> | 2024-10-18 20:33:49 +0200 |
commit | dd136858f1ea40ad3c94191d647487fa4f31926c (patch) | |
tree | 58fec94a7b2a12510c9664b21793f1ed560c6518 /modules/markup/markdown/color_util.go | |
parent | Initial commit. (diff) | |
download | forgejo-upstream.tar.xz forgejo-upstream.zip |
Adding upstream version 9.0.0.HEADupstream/9.0.0upstreamdebian
Signed-off-by: Daniel Baumann <daniel@debian.org>
Diffstat (limited to '')
-rw-r--r-- | modules/markup/markdown/color_util.go | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/modules/markup/markdown/color_util.go b/modules/markup/markdown/color_util.go new file mode 100644 index 0000000..355fef3 --- /dev/null +++ b/modules/markup/markdown/color_util.go @@ -0,0 +1,19 @@ +// Copyright 2024 The Forgejo Authors. All rights reserved. +// SPDX-License-Identifier: MIT + +package markdown + +import "regexp" + +var ( + hexRGB = regexp.MustCompile(`^#([0-9a-f]{3}|[0-9a-f]{6}|[0-9a-f]{8})$`) + hsl = regexp.MustCompile(`^hsl\([ ]*([012]?[0-9]{1,2}|3[0-5][0-9]|360),[ ]*([0-9]{0,2}|100)\%,[ ]*([0-9]{0,2}|100)\%\)$`) + hsla = regexp.MustCompile(`^hsla\(([ ]*[012]?[0-9]{1,2}|3[0-5][0-9]|360),[ ]*([0-9]{0,2}|100)\%,[ ]*([0-9]{0,2}|100)\%,[ ]*(1|1\.0|0|(0\.[0-9]+))\)$`) + rgb = regexp.MustCompile(`^rgb\(([ ]*((([0-9]{1,2}|100)\%)|(([01]?[0-9]{1,2})|(2[0-4][0-9])|(25[0-5]))),){2}([ ]*((([0-9]{1,2}|100)\%)|(([01]?[0-9]{1,2})|(2[0-4][0-9])|(25[0-5]))))\)$`) + rgba = regexp.MustCompile(`^rgba\(([ ]*((([0-9]{1,2}|100)\%)|(([01]?[0-9]{1,2})|(2[0-4][0-9])|(25[0-5]))),){3}[ ]*(1(\.0)?|0|(0\.[0-9]+))\)$`) +) + +// matchColor return if color is in the form of hex RGB, HSL(A) or RGB(A). +func matchColor(color string) bool { + return hexRGB.MatchString(color) || rgb.MatchString(color) || rgba.MatchString(color) || hsl.MatchString(color) || hsla.MatchString(color) +} |