41 lines
798 B
Go
41 lines
798 B
Go
package structure
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import "strings"
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// tagOptions contains a slice of tag options
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type tagOptions []string
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// Has returns true if the given opt is available inside the slice.
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func (t tagOptions) Has(opt string) bool {
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for _, tagOpt := range t {
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if tagOpt == opt {
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return true
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}
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}
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return false
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}
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// parseTag splits a struct field's tag into its name and a list of options
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// which comes after a name. A tag is in the form of: "name,option1,option2".
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// The name can be neglectected.
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func parseTag(tag string) (string, tagOptions) {
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res := strings.Split(tag, ",")
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// tag = ""
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if len(res) == 0 {
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return tag, res
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}
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// tag = "name"
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if len(res) == 1 {
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return tag, res[1:]
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}
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// tag is one of followings:
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// "name,opt"
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// "name,opt,opt2"
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// ",opt"
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return res[0], res[1:]
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}
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