54 lines
1.9 KiB
Go
54 lines
1.9 KiB
Go
package parser
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import "github.com/mmakaay/toml/parsekit"
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// Item types that are produced by this parser.
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const (
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ItemComment parsekit.ItemType = iota // Comment string
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ItemKey // Key of a key/value pair
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ItemKeyDot // Dot for a dotted key
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ItemAssignment // Value assignment coming up (=)
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ItemString // A value of type string
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)
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const (
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whitespace string = " \t"
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carriageReturn string = "\r"
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newline string = "\n"
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hash string = "#"
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equal string = "="
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lower string = "abcdefghijklmnopqrstuvwxyz"
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upper string = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
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digits string = "0123456789"
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hex string = digits + "abcdefABCDEF"
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dot string = "."
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underscore string = "_"
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dash string = "-"
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singleQuote string = "'"
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doubleQuote string = "\""
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backslash string = "\\"
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quoteChars string = singleQuote + doubleQuote
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bareKeyChars string = lower + upper + digits + underscore + dash
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startOfKey string = bareKeyChars + quoteChars
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validEscapeChars string = `btnfr"\`
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mustBeEscaped string = "" +
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"\u0000\u0001\u0002\u0003\u0004\u0005\u0006\u0007" +
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"\u0008\u0009\u000A\u000B\u000C\u000D\u000E\u000F" +
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"\u0010\u0011\u0012\u0013\u0014\u0015\u0016\u0017" +
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"\u0018\u0019\u001A\u001B\u001C\u001D\u001E\u001F" +
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"\u007F"
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)
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var (
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doubleQuote3 = []interface{}{doubleQuote, doubleQuote, doubleQuote}
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hex4 = []interface{}{hex, hex, hex, hex}
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shortUtf8Match = []interface{}{backslash, 'u', hex4}
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longUtf8Match = []interface{}{backslash, 'U', hex4, hex4}
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)
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// NewParser creates a new parser, using the provided input string
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// as the data to parse.
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func NewParser(input string) *parsekit.P {
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return parsekit.New(input, stateKeyValuePair)
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}
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