mirror of
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28 lines
612 B
Go
28 lines
612 B
Go
package util
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import (
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"bytes"
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"strings"
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)
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// ConvertToEnvVarName converts the given text into a usable env var
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// removing any special chars with '_' and transforming text to upper case
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func ConvertToEnvVarName(text string) string {
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var buffer bytes.Buffer
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upper := strings.ToUpper(text)
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lastCharValid := false
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for i := 0; i < len(upper); i++ {
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ch := upper[i]
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if (ch >= 'A' && ch <= 'Z') || (ch >= '0' && ch <= '9') {
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buffer.WriteString(string(ch))
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lastCharValid = true
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} else {
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if lastCharValid {
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buffer.WriteString("_")
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}
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lastCharValid = false
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}
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}
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return buffer.String()
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}
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