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38 lines
494 B
38 lines
494 B
package hcl
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import (
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"unicode"
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"unicode/utf8"
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)
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type lexModeValue byte
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const (
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lexModeUnknown lexModeValue = iota
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lexModeHcl
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lexModeJson
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)
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// lexMode returns whether we're going to be parsing in JSON
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// mode or HCL mode.
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func lexMode(v []byte) lexModeValue {
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var (
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r rune
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w int
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offset int
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)
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for {
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r, w = utf8.DecodeRune(v[offset:])
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offset += w
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if unicode.IsSpace(r) {
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continue
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}
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if r == '{' {
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return lexModeJson
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}
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break
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}
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return lexModeHcl
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}
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