check hex
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1 changed files with 7 additions and 6 deletions
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@ -18,23 +18,24 @@ function latex-color --description "Get the LaTeX color from HEX code"
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set hex (string sub -s 2 $hex)
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end
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# Check if the length of the hex is valid
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if not contains $(string length $hex) $(string split " " "3 4 6 8")
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echo "Error: Invalid HEX code"
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# Check if the hex code is valid
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if not string match -qir '^[0-9A-F]{3,8}$' $hex
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and not contains $(string length $hex) $(string split " " "3 4 6 8")
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echo "Error: Invalid HEX code" 1>&2
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return 1
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end
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# Expand 3 hex to 4 hex
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# Expand 3 to 4
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if test (string length $hex) -eq 3
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set hex $(string join "" $hex 0)
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end
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# Expand 4 hex to 8 hex
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# Expand 4 to 8
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if test (string length $hex) -eq 4
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set hex "$(string replace -ar '(.)' '$1$1' $hex)00"
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end
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# Expand 6 hex to 8 hex
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# Expand 6 to 8
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if test (string length $hex) -eq 6
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set hex $(string join "" $hex 00)
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end
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