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41 lines
711 B
41 lines
711 B
6 years ago
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package blademaster
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import (
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"os"
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"path"
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)
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func lastChar(str string) uint8 {
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if str == "" {
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panic("The length of the string can't be 0")
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}
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return str[len(str)-1]
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}
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func joinPaths(absolutePath, relativePath string) string {
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if relativePath == "" {
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return absolutePath
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}
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finalPath := path.Join(absolutePath, relativePath)
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appendSlash := lastChar(relativePath) == '/' && lastChar(finalPath) != '/'
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if appendSlash {
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return finalPath + "/"
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}
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return finalPath
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}
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func resolveAddress(addr []string) string {
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switch len(addr) {
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case 0:
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if port := os.Getenv("PORT"); port != "" {
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return ":" + port
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}
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return ":8080"
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case 1:
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return addr[0]
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default:
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panic("too much parameters")
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}
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}
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