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utils.go
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/
utils.go
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package strparam
import (
"bytes"
"fmt"
)
// TokenSchemaString returns string of token (excluding parameter values).
//
// Can be used as a key for a hash from a token schema
func TokenSchemaString(t Token) string {
switch t.Mode {
case UNKNOWN_TokenMode:
return ""
case CONST:
return fmt.Sprintf("Const(%q, len=%d)", t.Raw, t.Len)
case SEPARATOR:
return fmt.Sprintf("Separator(%q, len=%d)", t.Raw, t.Len)
case PARAMETER:
return fmt.Sprintf("Param(%q)", t.ParamName())
case PARAMETER_PARSED:
// this is primarily a parameter
return fmt.Sprintf("Param(%q)", t.ParamName())
case START:
return fmt.Sprintf("START")
case END:
if t.Raw != "" {
// named token
return fmt.Sprintf("END(%q)", t.Raw)
}
return fmt.Sprintf("END")
}
return fmt.Sprintf("%#v", t)
}
// ListTokensSchemaString returns string of list tokens (excluding parameter values).
//
// Can be used as a key for a hash from a token schema
func ListTokensSchemaString(t Tokens) string {
res := new(bytes.Buffer)
for i, token := range t {
if i > 0 {
fmt.Fprint(res, "->")
}
fmt.Fprint(res, TokenSchemaString(token))
}
return res.String()
}