replvar

package module

v0.1.1 Latest Latest Go to latest Published: Sep 24, 2023 License: MIT Imports: 8 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
Learn more about best practices

Repository

github.com/KarpelesLab/replvar

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README ¶

replvar

Variable replacement thingie

Documentation ¶

Index ¶

func Replace(ctx context.Context, s string, mode string) (string, error)
func Resolve(ctx context.Context, v string) anydeprecated
func ResolveString(ctx context.Context, v string) stringdeprecated
type Token
- func (t Token) MathOp() string
type Var
- func ParseString(s string, mode string) (Var, error)
- func ParseVariable(s string) (Var, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Replace ¶

func Replace(ctx context.Context, s string, mode string) (string, error)

Replace will replace any variable found in s with their value from the context

func Resolve deprecated added in v0.1.0

func Resolve(ctx context.Context, v string) any

Resolve returns the value for a variable name based on the context

Deprecated: use ParseVariable and resolve instead

func ResolveString deprecated added in v0.1.0

func ResolveString(ctx context.Context, v string) string

ResolveString returns the string value for a variable name based on the context

Deprecated: use ParseVariable and resolve instead

Types ¶

type Token ¶ added in v0.1.0

type Token int

const (
	TokenInvalid Token = iota
	TokenVariable
	TokenNumber
	TokenStringConstant
	TokenVariableEnd // }}

	// operators
	TokenDot        // .
	TokenAdd        // +
	TokenSubstract  // -
	TokenMultiply   // *
	TokenDivide     // /
	TokenEqual      // ==
	TokenDifferent  // !=
	TokenNot        // !
	TokenOr         // |
	TokenBooleanOr  // ||
	TokenAnd        // &
	TokenBooleanAnd // &&
)

func (Token) MathOp ¶ added in v0.1.0

func (t Token) MathOp() string

type Var ¶ added in v0.1.0

type Var interface {
	Resolve(context.Context) (any, error) // resolve this variable and return its value
	IsStatic() bool                       // if true, it means this var will not change no matter what
}

Var is a resolvable variable

func ParseString ¶ added in v0.1.0

func ParseString(s string, mode string) (Var, error)

ParseString parses a constant string

func ParseVariable ¶ added in v0.1.0

func ParseVariable(s string) (Var, error)

ParseVariable parses a variable string, such as what is typically found inside {{}}

Source Files ¶

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