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83 lines
1.3 KiB
83 lines
1.3 KiB
package flag
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import (
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"fmt"
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)
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type Type int
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const (
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EOF Type = iota
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Eol
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Keyword
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QuotedString
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Variable
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BlockStart
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BlockEnd
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Semicolon
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Comment
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Illegal
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Regex
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)
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var (
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FlagName = map[Type]string{
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QuotedString: "QuotedString",
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EOF: "Eof",
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Keyword: "Keyword",
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Variable: "Variable",
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BlockStart: "BlockStart",
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BlockEnd: "BlockEnd",
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Semicolon: "Semicolon",
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Comment: "Comment",
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Illegal: "Illegal",
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Regex: "Regex",
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}
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)
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func (tt Type) String() string {
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return FlagName[tt]
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}
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type Flag struct {
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Type Type
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Literal string
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Line int
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Column int
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}
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func (t Flag) String() string {
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return fmt.Sprintf("{Type:%s,Literal:\"%s\",Line:%d,Column:%d}", t.Type, t.Literal, t.Line, t.Column)
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}
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func (t Flag) Lit(literal string) Flag {
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t.Literal = literal
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return t
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}
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func (t Flag) EqualTo(t2 Flag) bool {
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return t.Type == t2.Type && t.Literal == t2.Literal
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}
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type Flags []Flag
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func (fs Flags) EqualTo(flags Flags) bool {
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if len(fs) != len(flags) {
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return false
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}
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for i, t := range fs {
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if !t.EqualTo(flags[i]) {
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return false
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}
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}
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return true
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}
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func (t Flag) Is(typ Type) bool {
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return t.Type == typ
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}
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func (t Flag) IsParameterEligible() bool {
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return t.Is(Keyword) || t.Is(QuotedString) || t.Is(Variable) || t.Is(Regex)
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}
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