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v0.1.2 Latest Latest Go to latest Published: Jun 12, 2019 License: Apache-2.0 Imports: 5 Imported by: 0

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Repository

github.com/codesmith-gmbh/forge

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Documentation ¶

Overview ¶

Inspired from https://github.com/alecthomas/participle/blob/master/_examples/expr/main.go

This file contains the particle base expression parser and evaluator to compute the values of sequences.

Names for some CloudFormation custom resources.

Index ¶

Constants
func ArnRegion(arn string) string
func CogCondPreAuthParameterName(userPoolId string, userPoolClientId string) string
func DnsCertificeSnsMessageIdParameterName(stackArn string, logicalResourceID string) (string, error)
func Eval(expr string, x int64) (int64, error)
func EvalExpression(e Expression, x int64) int64
func EvalFactor(t Factor, x int64) int64
func EvalOp(v1 int64, op string, v2 int64) int64
func EvalTerm(t Term, x int64) int64
func ExtractStackId(stackArn string) (string, error)
func ExtractStackName(stackArn string) (string, error)
func IsCertificateArn(s string) bool
func IsForgeSsmParameterARN(s string) bool
func IsSameRegion(event cfn.Event, oldRegion, region string) bool
func SequenceParameterName(sequenceName string) string
func UnknownRequestType(event cfn.Event) (string, map[string]interface{}, error)
type Expression
type Factor
type OpTerm
type OpValue
type Term

Constants ¶

View Source

const SsmParameterPrefix = "/codesmith-forge"

SSM Parameters

Some of the custom CloudFormation resources create by the forge are implemented as SSM parameters in the parameter store.

Variables ¶

This section is empty.

Functions ¶

func ArnRegion ¶

func ArnRegion(arn string) string

func CogCondPreAuthParameterName ¶

func CogCondPreAuthParameterName(userPoolId string, userPoolClientId string) string

CogCondPreAuth naming

func DnsCertificeSnsMessageIdParameterName ¶

func DnsCertificeSnsMessageIdParameterName(stackArn string, logicalResourceID string) (string, error)

Dns Certificate SNS Message memory

func Eval ¶

func Eval(expr string, x int64) (int64, error)

func EvalExpression ¶

func EvalExpression(e Expression, x int64) int64

func EvalFactor ¶

func EvalFactor(t Factor, x int64) int64

func EvalOp ¶

func EvalOp(v1 int64, op string, v2 int64) int64

func EvalTerm ¶

func EvalTerm(t Term, x int64) int64

func ExtractStackId ¶

func ExtractStackId(stackArn string) (string, error)

func ExtractStackName ¶

func ExtractStackName(stackArn string) (string, error)

func IsCertificateArn ¶

func IsCertificateArn(s string) bool

func IsForgeSsmParameterARN ¶

func IsForgeSsmParameterARN(s string) bool

func IsSameRegion ¶

func IsSameRegion(event cfn.Event, oldRegion, region string) bool

func SequenceParameterName ¶

func SequenceParameterName(sequenceName string) string

Sequence naming

func UnknownRequestType ¶

func UnknownRequestType(event cfn.Event) (string, map[string]interface{}, error)

Types ¶

type Expression ¶

type Expression struct {
	Term    *Term     `@@`
	OpTerms []*OpTerm `(@@)*`
}

type Factor ¶

type Factor struct {
	Number        *int64      `  @Int`
	Variable      *string     `| @"x"`
	Subexpression *Expression `| "(" @@ ")"`
}

type OpTerm ¶

type OpTerm struct {
	Op   string `@("+" | "-")`
	Term *Term  `@@`
}

type OpValue ¶

type OpValue struct {
	Op     string  `@("*" | "/")`
	Factor *Factor `@@`
}

type Term ¶

type Term struct {
	Factor   *Factor    `@@`
	OpFactor []*OpValue `(@@)*`
}

Source Files ¶

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