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feat(clif): add entry base utility cli functions (#211)
feat(clif): add entry base utility cli functions (#211) ref(clif): add Expand (#211) ref(clif): implement Evaluate for single secondary flag/opt (#211) ref(clif): add Evaluate tests for secondary flag/opt pair (#211) ref(clif): add Evaluate test for many flags/opts (#211) ref(clif): tidy Evaluate (#211) ref(clif): tidy doc comments (#211)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| package cobrass | ||
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| import ( | ||
| "github.com/snivilised/cobrass/src/clif" | ||
| ) | ||
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| type ( | ||
| // ThirdPartyFlagName raw name of a flag, ie without the leading --/- | ||
| ThirdPartyFlagName = clif.ThirdPartyFlagName | ||
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| // ThirdPartyOptionValue the string value of an option. Since this option | ||
| // is being delegated to a third party command, it does not have to be | ||
| // of a particular native go type and can be composed from a go type | ||
| // using the value's String() method. | ||
| ThirdPartyOptionValue = clif.ThirdPartyOptionValue | ||
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| // PresentFlagsCollection represents the set of third party flags | ||
| // presented by the user on the command line. | ||
| // (NB: Cobra does not currently have a mechanism to collect third | ||
| // party flags, by convention, anything that follows " -- "), therefore | ||
| // we need to collect and handle these flags/options explicitly, | ||
| // which is less than ideal. | ||
| // A difference between PresentFlagsCollection and ThirdPartyCommandLine | ||
| // is that switch flags have a true/false option value in PresentFlagsCollection | ||
| // but not in ThirdPartyCommandLine. | ||
| PresentFlagsCollection = clif.PresentFlagsCollection | ||
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| // ThirdPartyPresentFlags (see PresentFlagsCollection) | ||
| ThirdPartyPresentFlags = clif.ThirdPartyPresentFlags | ||
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| // KnownByCollection collection maps a full flag name to the | ||
| // short name it is also known by. If a flag does not | ||
| // have a short name, it should be mapped to the empty | ||
| // string. | ||
| KnownByCollection = clif.KnownByCollection | ||
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| // ThirdPartyFlagKnownBy (see KnownByCollection). | ||
| ThirdPartyFlagKnownBy = clif.ThirdPartyFlagKnownBy | ||
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| // ThirdPartyCommandLine represents the collection of flags | ||
| // used to invoke a third party command. This collection | ||
| // represents the raw flags used for the invocation in | ||
| // the order required by the third party command. It also means | ||
| // that this collection contains the leading --/- not just | ||
| // the names of the flags and options. | ||
| // For example, to invoke the magick command we may want to | ||
| // compose this collection with: | ||
| // magick --strip --interlace plane --gaussian-blur 0.05 | ||
| // and in this case, the list would be defined as a string slice: | ||
| // []string{"--strip", "--interlace", "plane", "--gaussian-blur", "0.05"} | ||
| ThirdPartyCommandLine = clif.ThirdPartyCommandLine | ||
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| // ExternalThirdParty base struct for cli applications using the | ||
| // entry paradigm that need to delegate an invocation to an | ||
| // external third party command. | ||
| ExternalThirdParty = clif.ExternalThirdParty | ||
| ) | ||
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| var ( | ||
| // Evaluate merges the secondary command line with the present flags. | ||
| // The flags that occur in present take precedence over those in | ||
| // secondary. There is a slight complication caused by the fact that | ||
| // a flag in the present set may be in the secondary set but in the opposite | ||
| // form; eg a flag may be in its short from in present but in long form | ||
| // in secondary. This is resolved by the knownBy set. The present set | ||
| // contains flags in their bare long form (bare as in without dash prefix). | ||
| Evaluate = clif.Evaluate | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,13 @@ | ||
| package clif_test | ||
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| import ( | ||
| "testing" | ||
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| . "github.com/onsi/ginkgo/v2" | ||
| . "github.com/onsi/gomega" | ||
| ) | ||
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| func TestClif(t *testing.T) { | ||
| RegisterFailHandler(Fail) | ||
| RunSpecs(t, "Clif Suite") | ||
| } |
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