vendor: github.com/dylanmei/winrmtest@99b7fe2fddf1
This commit is contained in:
Radek Simko
parent
98353dbe60
commit
fdb126f27e
5
go.mod
5
go.mod
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@ -8,8 +8,6 @@ require (
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github.com/abdullin/seq v0.0.0-20160510034733-d5467c17e7af // indirect
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github.com/agext/levenshtein v1.2.2
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github.com/agl/ed25519 v0.0.0-20150830182803-278e1ec8e8a6 // indirect
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github.com/antchfx/xpath v0.0.0-20170728053731-b5c552e1acbd // indirect
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github.com/antchfx/xquery v0.0.0-20170730121040-eb8c3c172607 // indirect
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github.com/apparentlymart/go-cidr v1.0.0
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github.com/apparentlymart/go-dump v0.0.0-20190214190832-042adf3cf4a0
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github.com/armon/circbuf v0.0.0-20190214190532-5111143e8da2
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@ -28,7 +26,7 @@ require (
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github.com/davecgh/go-spew v1.1.1
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github.com/dnaeon/go-vcr v0.0.0-20180920040454-5637cf3d8a31 // indirect
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github.com/dylanmei/iso8601 v0.1.0 // indirect
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github.com/dylanmei/winrmtest v0.0.0-20170819153634-c2fbb09e6c08
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github.com/dylanmei/winrmtest v0.0.0-20190225150635-99b7fe2fddf1
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github.com/go-test/deep v1.0.1
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github.com/gogo/protobuf v1.2.0 // indirect
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github.com/golang/groupcache v0.0.0-20180513044358-24b0969c4cb7 // indirect
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@ -95,7 +93,6 @@ require (
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github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c // indirect
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github.com/pkg/errors v0.0.0-20170505043639-c605e284fe17 // indirect
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github.com/posener/complete v1.2.1
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github.com/satori/go.uuid v0.0.0-20160927100844-b061729afc07 // indirect
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github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 // indirect
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github.com/sirupsen/logrus v1.1.1 // indirect
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github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d // indirect
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16
go.sum
16
go.sum
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@ -29,10 +29,10 @@ github.com/agext/levenshtein v1.2.2/go.mod h1:JEDfjyjHDjOF/1e4FlBE/PkbqA9OfWu2ki
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github.com/agl/ed25519 v0.0.0-20150830182803-278e1ec8e8a6 h1:LoeFxdq5zUCBQPhbQKE6zvoGwHMxCBlqwbH9+9kHoHA=
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github.com/agl/ed25519 v0.0.0-20150830182803-278e1ec8e8a6/go.mod h1:WPjqKcmVOxf0XSf3YxCJs6N6AOSrOx3obionmG7T0y0=
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github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
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github.com/antchfx/xpath v0.0.0-20170728053731-b5c552e1acbd h1:S3Fr6QnkpW9VRjiEY4psQHhhbbahASuNVj52YIce7lI=
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github.com/antchfx/xpath v0.0.0-20170728053731-b5c552e1acbd/go.mod h1:Yee4kTMuNiPYJ7nSNorELQMr1J33uOpXDMByNYhvtNk=
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github.com/antchfx/xquery v0.0.0-20170730121040-eb8c3c172607 h1:BFFG6KP8ASFBg2ptWsJn8p8RDufBjBDKIxLU7BTYGOM=
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github.com/antchfx/xquery v0.0.0-20170730121040-eb8c3c172607/go.mod h1:LzD22aAzDP8/dyiCKFp31He4m2GPjl0AFyzDtZzUu9M=
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github.com/antchfx/xpath v0.0.0-20190129040759-c8489ed3251e h1:ptBAamGVd6CfRsUtyHD+goy2JGhv1QC32v3gqM8mYAM=
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github.com/antchfx/xpath v0.0.0-20190129040759-c8489ed3251e/go.mod h1:Yee4kTMuNiPYJ7nSNorELQMr1J33uOpXDMByNYhvtNk=
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github.com/antchfx/xquery v0.0.0-20180515051857-ad5b8c7a47b0 h1:JaCC8jz0zdMLk2m+qCCVLLLM/PL93p84w4pK3aJWj60=
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github.com/antchfx/xquery v0.0.0-20180515051857-ad5b8c7a47b0/go.mod h1:LzD22aAzDP8/dyiCKFp31He4m2GPjl0AFyzDtZzUu9M=
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github.com/apparentlymart/go-cidr v1.0.0 h1:lGDvXx8Lv9QHjrAVP7jyzleG4F9+FkRhJcEsDFxeb8w=
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github.com/apparentlymart/go-cidr v1.0.0/go.mod h1:EBcsNrHc3zQeuaeCeCtQruQm+n9/YjEn/vI25Lg7Gwc=
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github.com/apparentlymart/go-dump v0.0.0-20180507223929-23540a00eaa3 h1:ZSTrOEhiM5J5RFxEaFvMZVEAM1KvT1YzbEOwB2EAGjA=
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@ -93,8 +93,8 @@ github.com/dnaeon/go-vcr v0.0.0-20180920040454-5637cf3d8a31/go.mod h1:aBB1+wY4s9
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github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
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github.com/dylanmei/iso8601 v0.1.0 h1:812NGQDBcqquTfH5Yeo7lwR0nzx/cKdsmf3qMjPURUI=
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github.com/dylanmei/iso8601 v0.1.0/go.mod h1:w9KhXSgIyROl1DefbMYIE7UVSIvELTbMrCfx+QkYnoQ=
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github.com/dylanmei/winrmtest v0.0.0-20170819153634-c2fbb09e6c08 h1:0bp6/GrNOrTDtSXe9YYGCwf8jp5Fb/b+4a6MTRm4qzY=
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github.com/dylanmei/winrmtest v0.0.0-20170819153634-c2fbb09e6c08/go.mod h1:VBVDFSBXCIW8JaHQpI8lldSKfYaLMzP9oyq6IJ4fhzY=
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github.com/dylanmei/winrmtest v0.0.0-20190225150635-99b7fe2fddf1 h1:r1oACdS2XYiAWcfF8BJXkoU8l1J71KehGR+d99yWEDA=
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github.com/dylanmei/winrmtest v0.0.0-20190225150635-99b7fe2fddf1/go.mod h1:lcy9/2gH1jn/VCLouHA6tOEwLoNVd4GW6zhuKLmHC2Y=
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github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
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github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
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github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
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@ -326,8 +326,8 @@ github.com/prometheus/common v0.0.0-20180801064454-c7de2306084e/go.mod h1:daVV7q
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github.com/prometheus/procfs v0.0.0-20180725123919-05ee40e3a273 h1:agujYaXJSxSo18YNX3jzl+4G6Bstwt+kqv47GS12uL0=
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github.com/prometheus/procfs v0.0.0-20180725123919-05ee40e3a273/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
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github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR/rfWxYHBV53g=
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github.com/satori/go.uuid v0.0.0-20160927100844-b061729afc07 h1:DEZDfcCVq3xDJrjqdCgyN/dHYVoqR92MCsdqCdxmnhM=
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github.com/satori/go.uuid v0.0.0-20160927100844-b061729afc07/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
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github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww=
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github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
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github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529 h1:nn5Wsu0esKSJiIVhscUtVbo7ada43DJhG55ua/hjS5I=
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github.com/sean-/seed v0.0.0-20170313163322-e2103e2c3529/go.mod h1:DxrIzT+xaE7yg65j358z/aeFdxmN0P9QXhEzd20vsDc=
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github.com/sergi/go-diff v1.0.0 h1:Kpca3qRNrduNnOQeazBd0ysaKrUJiIuISHxogkT9RPQ=
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@ -2,8 +2,8 @@ language: go
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go:
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- 1.6
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- 1.7
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- 1.8
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- 1.9
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- '1.10'
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install:
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- go get github.com/mattn/goveralls
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@ -7,9 +7,17 @@ XPath
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XPath is Go package provides selecting nodes from XML, HTML or other documents using XPath expression.
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[XQuery](https://github.com/antchfx/xquery) : lets you extract data from HTML/XML documents using XPath package.
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Implementation
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===
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### Features
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- [htmlquery](https://github.com/antchfx/htmlquery) - an XPath query package for HTML document
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- [xmlquery](https://github.com/antchfx/xmlquery) - an XPath query package for XML document.
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- [jsonquery](https://github.com/antchfx/jsonquery) - an XPath query package for JSON document
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Supported Features
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===
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#### The basic XPath patterns.
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@ -45,7 +53,10 @@ XPath is Go package provides selecting nodes from XML, HTML or other documents u
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- `//b` : Returns elements in the entire document matching b.
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- `a|b` : All nodes matching a or b.
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- `a|b` : All nodes matching a or b, union operation(not boolean or).
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- `(a, b, c)` : Evaluates each of its operands and concatenates the resulting sequences, in order, into a single result sequence
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#### Node Axes
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@ -97,23 +108,60 @@ XPath is Go package provides selecting nodes from XML, HTML or other documents u
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* a div b Divide
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* a mod b Floating point mod, like Java.
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- `a or b` : Boolean `or` operation.
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- `a and b` : Boolean `and` operation.
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- `(expr)` : Parenthesized expressions.
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- `fun(arg1, ..., argn)` : Function calls.
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- `fun(arg1, ..., argn)` : Function calls:
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* position()
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* last()
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* count( node-set )
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* name()
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* starts-with( string, string )
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* normalize-space( string )
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* substring( string , start [, length] )
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* not( expression )
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* string-length( [string] )
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* contains( string, string )
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* sum( node-set )
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* concat( string1 , string2 [, stringn]* )
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| Function | Supported |
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| --- | --- |
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`boolean()`| ✓ |
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`ceiling()`| ✓ |
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`choose()`| ✗ |
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`concat()`| ✓ |
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`contains()`| ✓ |
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`count()`| ✓ |
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`current()`| ✗ |
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`document()`| ✗ |
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`element-available()`| ✗ |
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`ends-with()`| ✓ |
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`false()`| ✓ |
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`floor()`| ✓ |
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`format-number()`| ✗ |
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`function-available()`| ✗ |
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`generate-id()`| ✗ |
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`id()`| ✗ |
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`key()`| ✗ |
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`lang()`| ✗ |
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`last()`| ✓ |
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`local-name()`| ✓ |
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`name()`| ✓ |
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`namespace-uri()`| ✓ |
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`normalize-space()`| ✓ |
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`not()`| ✓ |
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`number()`| ✓ |
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`position()`| ✓ |
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`round()`| ✓ |
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`starts-with()`| ✓ |
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`string()`| ✓ |
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`string-length()`| ✓ |
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`substring()`| ✓ |
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`substring-after()`| ✓ |
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`substring-before()`| ✓ |
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`sum()`| ✓ |
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`system-property()`| ✗ |
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`translate()`| ✓ |
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`true()`| ✓ |
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`unparsed-entity-url()` | ✗ |
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- `a or b` : Boolean or.
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Changelogs
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===
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- `a and b` : Boolean and.
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2019-01-29
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- improvement `normalize-space` function. [#32](https://github.com/antchfx/xpath/issues/32)
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2018-12-07
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- supports XPath 2.0 Sequence expressions. [#30](https://github.com/antchfx/xpath/pull/30) by [@minherz](https://github.com/minherz).
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@ -23,9 +23,12 @@ type builder struct {
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func axisPredicate(root *axisNode) func(NodeNavigator) bool {
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// get current axix node type.
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typ := ElementNode
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if root.AxeType == "attribute" {
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switch root.AxeType {
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case "attribute":
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typ = AttributeNode
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} else {
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case "self", "parent":
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typ = allNode
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default:
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switch root.Prop {
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case "comment":
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typ = CommentNode
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@ -34,12 +37,17 @@ func axisPredicate(root *axisNode) func(NodeNavigator) bool {
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// case "processing-instruction":
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// typ = ProcessingInstructionNode
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case "node":
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typ = ElementNode
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typ = allNode
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}
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}
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nametest := root.LocalName != "" || root.Prefix != ""
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predicate := func(n NodeNavigator) bool {
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if typ == n.NodeType() || typ == TextNode {
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if root.LocalName == "" || (root.LocalName == n.LocalName() && root.Prefix == n.Prefix()) {
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if typ == n.NodeType() || typ == allNode || typ == TextNode {
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if nametest {
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if root.LocalName == n.LocalName() && root.Prefix == n.Prefix() {
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return true
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}
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} else {
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return true
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}
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}
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@ -61,7 +69,6 @@ func (b *builder) processAxisNode(root *axisNode) (query, error) {
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if root.Input == nil {
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qyInput = &contextQuery{}
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} else {
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if b.flag&filterFlag == 0 {
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if root.AxeType == "child" && (root.Input.Type() == nodeAxis) {
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if input := root.Input.(*axisNode); input.AxeType == "descendant-or-self" {
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var qyGrandInput query
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@ -74,7 +81,6 @@ func (b *builder) processAxisNode(root *axisNode) (query, error) {
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return qyOutput, nil
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}
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}
|
||||
}
|
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qyInput, err = b.processNode(root.Input)
|
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if err != nil {
|
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return nil, err
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|
|
@ -157,6 +163,16 @@ func (b *builder) processFunctionNode(root *functionNode) (query, error) {
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return nil, err
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||||
}
|
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qyOutput = &functionQuery{Input: b.firstInput, Func: startwithFunc(arg1, arg2)}
|
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case "ends-with":
|
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arg1, err := b.processNode(root.Args[0])
|
||||
if err != nil {
|
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return nil, err
|
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}
|
||||
arg2, err := b.processNode(root.Args[1])
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
qyOutput = &functionQuery{Input: b.firstInput, Func: endwithFunc(arg1, arg2)}
|
||||
case "contains":
|
||||
arg1, err := b.processNode(root.Args[0])
|
||||
if err != nil {
|
||||
|
|
@ -189,6 +205,25 @@ func (b *builder) processFunctionNode(root *functionNode) (query, error) {
|
|||
}
|
||||
}
|
||||
qyOutput = &functionQuery{Input: b.firstInput, Func: substringFunc(arg1, arg2, arg3)}
|
||||
case "substring-before", "substring-after":
|
||||
//substring-xxxx( haystack, needle )
|
||||
if len(root.Args) != 2 {
|
||||
return nil, errors.New("xpath: substring-before function must have two parameters")
|
||||
}
|
||||
var (
|
||||
arg1, arg2 query
|
||||
err error
|
||||
)
|
||||
if arg1, err = b.processNode(root.Args[0]); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if arg2, err = b.processNode(root.Args[1]); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
qyOutput = &functionQuery{
|
||||
Input: b.firstInput,
|
||||
Func: substringIndFunc(arg1, arg2, root.FuncName == "substring-after"),
|
||||
}
|
||||
case "string-length":
|
||||
// string-length( [string] )
|
||||
if len(root.Args) < 1 {
|
||||
|
|
@ -208,6 +243,25 @@ func (b *builder) processFunctionNode(root *functionNode) (query, error) {
|
|||
return nil, err
|
||||
}
|
||||
qyOutput = &functionQuery{Input: argQuery, Func: normalizespaceFunc}
|
||||
case "translate":
|
||||
//translate( string , string, string )
|
||||
if len(root.Args) != 3 {
|
||||
return nil, errors.New("xpath: translate function must have three parameters")
|
||||
}
|
||||
var (
|
||||
arg1, arg2, arg3 query
|
||||
err error
|
||||
)
|
||||
if arg1, err = b.processNode(root.Args[0]); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if arg2, err = b.processNode(root.Args[1]); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if arg3, err = b.processNode(root.Args[2]); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
qyOutput = &functionQuery{Input: b.firstInput, Func: translateFunc(arg1, arg2, arg3)}
|
||||
case "not":
|
||||
if len(root.Args) == 0 {
|
||||
return nil, errors.New("xpath: not function must have at least one parameter")
|
||||
|
|
@ -217,12 +271,62 @@ func (b *builder) processFunctionNode(root *functionNode) (query, error) {
|
|||
return nil, err
|
||||
}
|
||||
qyOutput = &functionQuery{Input: argQuery, Func: notFunc}
|
||||
case "name", "local-name", "namespace-uri":
|
||||
inp := b.firstInput
|
||||
if len(root.Args) > 1 {
|
||||
return nil, fmt.Errorf("xpath: %s function must have at most one parameter", root.FuncName)
|
||||
}
|
||||
if len(root.Args) == 1 {
|
||||
argQuery, err := b.processNode(root.Args[0])
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
inp = argQuery
|
||||
}
|
||||
f := &functionQuery{Input: inp}
|
||||
switch root.FuncName {
|
||||
case "name":
|
||||
qyOutput = &functionQuery{Input: b.firstInput, Func: nameFunc}
|
||||
f.Func = nameFunc
|
||||
case "local-name":
|
||||
f.Func = localNameFunc
|
||||
case "namespace-uri":
|
||||
f.Func = namespaceFunc
|
||||
}
|
||||
qyOutput = f
|
||||
case "true", "false":
|
||||
val := root.FuncName == "true"
|
||||
qyOutput = &functionQuery{
|
||||
Input: b.firstInput,
|
||||
Func: func(_ query, _ iterator) interface{} {
|
||||
return val
|
||||
},
|
||||
}
|
||||
case "last":
|
||||
qyOutput = &functionQuery{Input: b.firstInput, Func: lastFunc}
|
||||
case "position":
|
||||
qyOutput = &functionQuery{Input: b.firstInput, Func: positionFunc}
|
||||
case "boolean", "number", "string":
|
||||
inp := b.firstInput
|
||||
if len(root.Args) > 1 {
|
||||
return nil, fmt.Errorf("xpath: %s function must have at most one parameter", root.FuncName)
|
||||
}
|
||||
if len(root.Args) == 1 {
|
||||
argQuery, err := b.processNode(root.Args[0])
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
inp = argQuery
|
||||
}
|
||||
f := &functionQuery{Input: inp}
|
||||
switch root.FuncName {
|
||||
case "boolean":
|
||||
f.Func = booleanFunc
|
||||
case "string":
|
||||
f.Func = stringFunc
|
||||
case "number":
|
||||
f.Func = numberFunc
|
||||
}
|
||||
qyOutput = f
|
||||
case "count":
|
||||
//if b.firstInput == nil {
|
||||
// return nil, errors.New("xpath: expression must evaluate to node-set")
|
||||
|
|
@ -244,6 +348,24 @@ func (b *builder) processFunctionNode(root *functionNode) (query, error) {
|
|||
return nil, err
|
||||
}
|
||||
qyOutput = &functionQuery{Input: argQuery, Func: sumFunc}
|
||||
case "ceiling", "floor", "round":
|
||||
if len(root.Args) == 0 {
|
||||
return nil, fmt.Errorf("xpath: ceiling(node-sets) function must with have parameters node-sets")
|
||||
}
|
||||
argQuery, err := b.processNode(root.Args[0])
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
f := &functionQuery{Input: argQuery}
|
||||
switch root.FuncName {
|
||||
case "ceiling":
|
||||
f.Func = ceilingFunc
|
||||
case "floor":
|
||||
f.Func = floorFunc
|
||||
case "round":
|
||||
f.Func = roundFunc
|
||||
}
|
||||
qyOutput = f
|
||||
case "concat":
|
||||
if len(root.Args) < 2 {
|
||||
return nil, fmt.Errorf("xpath: concat() must have at least two arguments")
|
||||
|
|
@ -304,12 +426,14 @@ func (b *builder) processOperatorNode(root *operatorNode) (query, error) {
|
|||
exprFunc = neFunc
|
||||
}
|
||||
qyOutput = &logicalQuery{Left: left, Right: right, Do: exprFunc}
|
||||
case "or", "and", "|":
|
||||
case "or", "and":
|
||||
isOr := false
|
||||
if root.Op == "or" || root.Op == "|" {
|
||||
if root.Op == "or" {
|
||||
isOr = true
|
||||
}
|
||||
qyOutput = &booleanQuery{Left: left, Right: right, IsOr: isOr}
|
||||
case "|":
|
||||
qyOutput = &unionQuery{Left: left, Right: right}
|
||||
}
|
||||
return qyOutput, nil
|
||||
}
|
||||
|
|
|
|||
|
|
@ -2,6 +2,9 @@ package xpath
|
|||
|
||||
import (
|
||||
"errors"
|
||||
"fmt"
|
||||
"math"
|
||||
"regexp"
|
||||
"strconv"
|
||||
"strings"
|
||||
)
|
||||
|
|
@ -80,16 +83,146 @@ func sumFunc(q query, t iterator) interface{} {
|
|||
case float64:
|
||||
sum = typ
|
||||
case string:
|
||||
if v, err := strconv.ParseFloat(typ, 64); err != nil {
|
||||
sum = v
|
||||
v, err := strconv.ParseFloat(typ, 64)
|
||||
if err != nil {
|
||||
panic(errors.New("sum() function argument type must be a node-set or number"))
|
||||
}
|
||||
sum = v
|
||||
}
|
||||
return sum
|
||||
}
|
||||
|
||||
func asNumber(t iterator, o interface{}) float64 {
|
||||
switch typ := o.(type) {
|
||||
case query:
|
||||
node := typ.Select(t)
|
||||
if node == nil {
|
||||
return float64(0)
|
||||
}
|
||||
if v, err := strconv.ParseFloat(node.Value(), 64); err == nil {
|
||||
return v
|
||||
}
|
||||
case float64:
|
||||
return typ
|
||||
case string:
|
||||
v, err := strconv.ParseFloat(typ, 64)
|
||||
if err != nil {
|
||||
panic(errors.New("ceiling() function argument type must be a node-set or number"))
|
||||
}
|
||||
return v
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
// ceilingFunc is a XPath Node Set functions ceiling(node-set).
|
||||
func ceilingFunc(q query, t iterator) interface{} {
|
||||
val := asNumber(t, q.Evaluate(t))
|
||||
return math.Ceil(val)
|
||||
}
|
||||
|
||||
// floorFunc is a XPath Node Set functions floor(node-set).
|
||||
func floorFunc(q query, t iterator) interface{} {
|
||||
val := asNumber(t, q.Evaluate(t))
|
||||
return math.Floor(val)
|
||||
}
|
||||
|
||||
// roundFunc is a XPath Node Set functions round(node-set).
|
||||
func roundFunc(q query, t iterator) interface{} {
|
||||
val := asNumber(t, q.Evaluate(t))
|
||||
//return math.Round(val)
|
||||
return round(val)
|
||||
}
|
||||
|
||||
// nameFunc is a XPath functions name([node-set]).
|
||||
func nameFunc(q query, t iterator) interface{} {
|
||||
return t.Current().LocalName()
|
||||
v := q.Select(t)
|
||||
if v == nil {
|
||||
return ""
|
||||
}
|
||||
ns := v.Prefix()
|
||||
if ns == "" {
|
||||
return v.LocalName()
|
||||
}
|
||||
return ns + ":" + v.LocalName()
|
||||
}
|
||||
|
||||
// localNameFunc is a XPath functions local-name([node-set]).
|
||||
func localNameFunc(q query, t iterator) interface{} {
|
||||
v := q.Select(t)
|
||||
if v == nil {
|
||||
return ""
|
||||
}
|
||||
return v.LocalName()
|
||||
}
|
||||
|
||||
// namespaceFunc is a XPath functions namespace-uri([node-set]).
|
||||
func namespaceFunc(q query, t iterator) interface{} {
|
||||
v := q.Select(t)
|
||||
if v == nil {
|
||||
return ""
|
||||
}
|
||||
return v.Prefix()
|
||||
}
|
||||
|
||||
func asBool(t iterator, v interface{}) bool {
|
||||
switch v := v.(type) {
|
||||
case nil:
|
||||
return false
|
||||
case *NodeIterator:
|
||||
return v.MoveNext()
|
||||
case bool:
|
||||
return bool(v)
|
||||
case float64:
|
||||
return v != 0
|
||||
case string:
|
||||
return v != ""
|
||||
case query:
|
||||
return v.Select(t) != nil
|
||||
default:
|
||||
panic(fmt.Errorf("unexpected type: %T", v))
|
||||
}
|
||||
}
|
||||
|
||||
func asString(t iterator, v interface{}) string {
|
||||
switch v := v.(type) {
|
||||
case nil:
|
||||
return ""
|
||||
case bool:
|
||||
if v {
|
||||
return "true"
|
||||
}
|
||||
return "false"
|
||||
case float64:
|
||||
return strconv.FormatFloat(v, 'g', -1, 64)
|
||||
case string:
|
||||
return v
|
||||
case query:
|
||||
node := v.Select(t)
|
||||
if node == nil {
|
||||
return ""
|
||||
}
|
||||
return node.Value()
|
||||
default:
|
||||
panic(fmt.Errorf("unexpected type: %T", v))
|
||||
}
|
||||
}
|
||||
|
||||
// booleanFunc is a XPath functions boolean([node-set]).
|
||||
func booleanFunc(q query, t iterator) interface{} {
|
||||
v := q.Evaluate(t)
|
||||
return asBool(t, v)
|
||||
}
|
||||
|
||||
// numberFunc is a XPath functions number([node-set]).
|
||||
func numberFunc(q query, t iterator) interface{} {
|
||||
v := q.Evaluate(t)
|
||||
return asNumber(t, v)
|
||||
}
|
||||
|
||||
// stringFunc is a XPath functions string([node-set]).
|
||||
func stringFunc(q query, t iterator) interface{} {
|
||||
v := q.Evaluate(t)
|
||||
return asString(t, v)
|
||||
}
|
||||
|
||||
// startwithFunc is a XPath functions starts-with(string, string).
|
||||
|
|
@ -119,6 +252,33 @@ func startwithFunc(arg1, arg2 query) func(query, iterator) interface{} {
|
|||
}
|
||||
}
|
||||
|
||||
// endwithFunc is a XPath functions ends-with(string, string).
|
||||
func endwithFunc(arg1, arg2 query) func(query, iterator) interface{} {
|
||||
return func(q query, t iterator) interface{} {
|
||||
var (
|
||||
m, n string
|
||||
ok bool
|
||||
)
|
||||
switch typ := arg1.Evaluate(t).(type) {
|
||||
case string:
|
||||
m = typ
|
||||
case query:
|
||||
node := typ.Select(t)
|
||||
if node == nil {
|
||||
return false
|
||||
}
|
||||
m = node.Value()
|
||||
default:
|
||||
panic(errors.New("ends-with() function argument type must be string"))
|
||||
}
|
||||
n, ok = arg2.Evaluate(t).(string)
|
||||
if !ok {
|
||||
panic(errors.New("ends-with() function argument type must be string"))
|
||||
}
|
||||
return strings.HasSuffix(m, n)
|
||||
}
|
||||
}
|
||||
|
||||
// containsFunc is a XPath functions contains(string or @attr, string).
|
||||
func containsFunc(arg1, arg2 query) func(query, iterator) interface{} {
|
||||
return func(q query, t iterator) interface{} {
|
||||
|
|
@ -149,6 +309,11 @@ func containsFunc(arg1, arg2 query) func(query, iterator) interface{} {
|
|||
}
|
||||
}
|
||||
|
||||
var (
|
||||
regnewline = regexp.MustCompile(`[\r\n\t]`)
|
||||
regseqspace = regexp.MustCompile(`\s{2,}`)
|
||||
)
|
||||
|
||||
// normalizespaceFunc is XPath functions normalize-space(string?)
|
||||
func normalizespaceFunc(q query, t iterator) interface{} {
|
||||
var m string
|
||||
|
|
@ -158,11 +323,14 @@ func normalizespaceFunc(q query, t iterator) interface{} {
|
|||
case query:
|
||||
node := typ.Select(t)
|
||||
if node == nil {
|
||||
return false
|
||||
return ""
|
||||
}
|
||||
m = node.Value()
|
||||
}
|
||||
return strings.TrimSpace(m)
|
||||
m = strings.TrimSpace(m)
|
||||
m = regnewline.ReplaceAllString(m, " ")
|
||||
m = regseqspace.ReplaceAllString(m, " ")
|
||||
return m
|
||||
}
|
||||
|
||||
// substringFunc is XPath functions substring function returns a part of a given string.
|
||||
|
|
@ -175,7 +343,7 @@ func substringFunc(arg1, arg2, arg3 query) func(query, iterator) interface{} {
|
|||
case query:
|
||||
node := typ.Select(t)
|
||||
if node == nil {
|
||||
return false
|
||||
return ""
|
||||
}
|
||||
m = node.Value()
|
||||
}
|
||||
|
|
@ -185,7 +353,10 @@ func substringFunc(arg1, arg2, arg3 query) func(query, iterator) interface{} {
|
|||
|
||||
if start, ok = arg2.Evaluate(t).(float64); !ok {
|
||||
panic(errors.New("substring() function first argument type must be int"))
|
||||
} else if start < 1 {
|
||||
panic(errors.New("substring() function first argument type must be >= 1"))
|
||||
}
|
||||
start--
|
||||
if arg3 != nil {
|
||||
if length, ok = arg3.Evaluate(t).(float64); !ok {
|
||||
panic(errors.New("substring() function second argument type must be int"))
|
||||
|
|
@ -201,6 +372,46 @@ func substringFunc(arg1, arg2, arg3 query) func(query, iterator) interface{} {
|
|||
}
|
||||
}
|
||||
|
||||
// substringIndFunc is XPath functions substring-before/substring-after function returns a part of a given string.
|
||||
func substringIndFunc(arg1, arg2 query, after bool) func(query, iterator) interface{} {
|
||||
return func(q query, t iterator) interface{} {
|
||||
var str string
|
||||
switch v := arg1.Evaluate(t).(type) {
|
||||
case string:
|
||||
str = v
|
||||
case query:
|
||||
node := v.Select(t)
|
||||
if node == nil {
|
||||
return ""
|
||||
}
|
||||
str = node.Value()
|
||||
}
|
||||
var word string
|
||||
switch v := arg2.Evaluate(t).(type) {
|
||||
case string:
|
||||
word = v
|
||||
case query:
|
||||
node := v.Select(t)
|
||||
if node == nil {
|
||||
return ""
|
||||
}
|
||||
word = node.Value()
|
||||
}
|
||||
if word == "" {
|
||||
return ""
|
||||
}
|
||||
|
||||
i := strings.Index(str, word)
|
||||
if i < 0 {
|
||||
return ""
|
||||
}
|
||||
if after {
|
||||
return str[i+len(word):]
|
||||
}
|
||||
return str[:i]
|
||||
}
|
||||
}
|
||||
|
||||
// stringLengthFunc is XPATH string-length( [string] ) function that returns a number
|
||||
// equal to the number of characters in a given string.
|
||||
func stringLengthFunc(arg1 query) func(query, iterator) interface{} {
|
||||
|
|
@ -219,6 +430,25 @@ func stringLengthFunc(arg1 query) func(query, iterator) interface{} {
|
|||
}
|
||||
}
|
||||
|
||||
// translateFunc is XPath functions translate() function returns a replaced string.
|
||||
func translateFunc(arg1, arg2, arg3 query) func(query, iterator) interface{} {
|
||||
return func(q query, t iterator) interface{} {
|
||||
str := asString(t, arg1.Evaluate(t))
|
||||
src := asString(t, arg2.Evaluate(t))
|
||||
dst := asString(t, arg3.Evaluate(t))
|
||||
|
||||
var replace []string
|
||||
for i, s := range src {
|
||||
d := ""
|
||||
if i < len(dst) {
|
||||
d = string(dst[i])
|
||||
}
|
||||
replace = append(replace, string(s), d)
|
||||
}
|
||||
return strings.NewReplacer(replace...).Replace(str)
|
||||
}
|
||||
}
|
||||
|
||||
// notFunc is XPATH functions not(expression) function operation.
|
||||
func notFunc(q query, t iterator) interface{} {
|
||||
switch v := q.Evaluate(t).(type) {
|
||||
|
|
|
|||
|
|
@ -0,0 +1,9 @@
|
|||
// +build go1.10
|
||||
|
||||
package xpath
|
||||
|
||||
import "math"
|
||||
|
||||
func round(f float64) int {
|
||||
return int(math.Round(f))
|
||||
}
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
// +build !go1.10
|
||||
|
||||
package xpath
|
||||
|
||||
import "math"
|
||||
|
||||
// math.Round() is supported by Go 1.10+,
|
||||
// This method just compatible for version <1.10.
|
||||
// https://github.com/golang/go/issues/20100
|
||||
func round(f float64) int {
|
||||
if math.Abs(f) < 0.5 {
|
||||
return 0
|
||||
}
|
||||
return int(f + math.Copysign(0.5, f))
|
||||
}
|
||||
|
|
@ -42,7 +42,7 @@ const (
|
|||
itemString // Quoted string constant
|
||||
itemNumber // Number constant
|
||||
itemAxe // Axe (like child::)
|
||||
itemEof // END
|
||||
itemEOF // END
|
||||
)
|
||||
|
||||
// A node is an XPath node in the parse tree.
|
||||
|
|
@ -389,7 +389,7 @@ Loop:
|
|||
}
|
||||
|
||||
// Step ::= AxisSpecifier NodeTest Predicate* | AbbreviatedStep
|
||||
func (p *parser) parseStep(n node) node {
|
||||
func (p *parser) parseStep(n node) (opnd node) {
|
||||
axeTyp := "child" // default axes value.
|
||||
if p.r.typ == itemDot || p.r.typ == itemDotDot {
|
||||
if p.r.typ == itemDot {
|
||||
|
|
@ -398,8 +398,11 @@ func (p *parser) parseStep(n node) node {
|
|||
axeTyp = "parent"
|
||||
}
|
||||
p.next()
|
||||
return newAxisNode(axeTyp, "", "", "", n)
|
||||
opnd = newAxisNode(axeTyp, "", "", "", n)
|
||||
if p.r.typ != itemLBracket {
|
||||
return opnd
|
||||
}
|
||||
} else {
|
||||
switch p.r.typ {
|
||||
case itemAt:
|
||||
p.next()
|
||||
|
|
@ -407,14 +410,33 @@ func (p *parser) parseStep(n node) node {
|
|||
case itemAxe:
|
||||
axeTyp = p.r.name
|
||||
p.next()
|
||||
case itemLParens:
|
||||
return p.parseSequence(n)
|
||||
}
|
||||
opnd = p.parseNodeTest(n, axeTyp)
|
||||
}
|
||||
opnd := p.parseNodeTest(n, axeTyp)
|
||||
for p.r.typ == itemLBracket {
|
||||
opnd = newFilterNode(opnd, p.parsePredicate(opnd))
|
||||
}
|
||||
return opnd
|
||||
}
|
||||
|
||||
// Expr ::= '(' Step ("," Step)* ')'
|
||||
func (p *parser) parseSequence(n node) (opnd node) {
|
||||
p.skipItem(itemLParens)
|
||||
opnd = p.parseStep(n)
|
||||
for {
|
||||
if p.r.typ != itemComma {
|
||||
break
|
||||
}
|
||||
p.next()
|
||||
opnd2 := p.parseStep(n)
|
||||
opnd = newOperatorNode("|", opnd, opnd2)
|
||||
}
|
||||
p.skipItem(itemRParens)
|
||||
return opnd
|
||||
}
|
||||
|
||||
// NodeTest ::= NameTest | nodeType '(' ')' | 'processing-instruction' '(' Literal ')'
|
||||
func (p *parser) parseNodeTest(n node, axeTyp string) (opnd node) {
|
||||
switch p.r.typ {
|
||||
|
|
@ -628,7 +650,7 @@ func (s *scanner) nextChar() bool {
|
|||
return false
|
||||
}
|
||||
s.curr = rune(s.text[s.pos])
|
||||
s.pos += 1
|
||||
s.pos++
|
||||
return true
|
||||
}
|
||||
|
||||
|
|
@ -636,7 +658,7 @@ func (s *scanner) nextItem() bool {
|
|||
s.skipSpace()
|
||||
switch s.curr {
|
||||
case 0:
|
||||
s.typ = itemEof
|
||||
s.typ = itemEOF
|
||||
return false
|
||||
case ',', '@', '(', ')', '|', '*', '[', ']', '+', '-', '=', '#', '$':
|
||||
s.typ = asItemType(s.curr)
|
||||
|
|
|
|||
|
|
@ -71,7 +71,7 @@ func (a *ancestorQuery) Select(t iterator) NodeNavigator {
|
|||
}
|
||||
for node.MoveToParent() {
|
||||
if !a.Predicate(node) {
|
||||
break
|
||||
continue
|
||||
}
|
||||
return node
|
||||
}
|
||||
|
|
@ -707,16 +707,79 @@ func (b *booleanQuery) Select(t iterator) NodeNavigator {
|
|||
|
||||
func (b *booleanQuery) Evaluate(t iterator) interface{} {
|
||||
m := b.Left.Evaluate(t)
|
||||
if m.(bool) == b.IsOr {
|
||||
return m
|
||||
left := asBool(t, m)
|
||||
if b.IsOr && left {
|
||||
return true
|
||||
} else if !b.IsOr && !left {
|
||||
return false
|
||||
}
|
||||
return b.Right.Evaluate(t)
|
||||
m = b.Right.Evaluate(t)
|
||||
return asBool(t, m)
|
||||
}
|
||||
|
||||
func (b *booleanQuery) Clone() query {
|
||||
return &booleanQuery{IsOr: b.IsOr, Left: b.Left.Clone(), Right: b.Right.Clone()}
|
||||
}
|
||||
|
||||
type unionQuery struct {
|
||||
Left, Right query
|
||||
iterator func() NodeNavigator
|
||||
}
|
||||
|
||||
func (u *unionQuery) Select(t iterator) NodeNavigator {
|
||||
if u.iterator == nil {
|
||||
var list []NodeNavigator
|
||||
var i int
|
||||
root := t.Current().Copy()
|
||||
for {
|
||||
node := u.Left.Select(t)
|
||||
if node == nil {
|
||||
break
|
||||
}
|
||||
node = node.Copy()
|
||||
list = append(list, node)
|
||||
}
|
||||
t.Current().MoveTo(root)
|
||||
for {
|
||||
node := u.Right.Select(t)
|
||||
if node == nil {
|
||||
break
|
||||
}
|
||||
node = node.Copy()
|
||||
var exists bool
|
||||
for _, x := range list {
|
||||
if reflect.DeepEqual(x, node) {
|
||||
exists = true
|
||||
break
|
||||
}
|
||||
}
|
||||
if !exists {
|
||||
list = append(list, node)
|
||||
}
|
||||
}
|
||||
u.iterator = func() NodeNavigator {
|
||||
if i >= len(list) {
|
||||
return nil
|
||||
}
|
||||
node := list[i]
|
||||
i++
|
||||
return node
|
||||
}
|
||||
}
|
||||
return u.iterator()
|
||||
}
|
||||
|
||||
func (u *unionQuery) Evaluate(t iterator) interface{} {
|
||||
u.iterator = nil
|
||||
u.Left.Evaluate(t)
|
||||
u.Right.Evaluate(t)
|
||||
return u
|
||||
}
|
||||
|
||||
func (u *unionQuery) Clone() query {
|
||||
return &unionQuery{Left: u.Left.Clone(), Right: u.Right.Clone()}
|
||||
}
|
||||
|
||||
func getNodePosition(q query) int {
|
||||
type Position interface {
|
||||
position() int
|
||||
|
|
|
|||
|
|
@ -22,6 +22,9 @@ const (
|
|||
|
||||
// CommentNode is a comment node, such as <!-- my comment -->
|
||||
CommentNode
|
||||
|
||||
// allNode is any types of node, used by xpath package only to predicate match.
|
||||
allNode
|
||||
)
|
||||
|
||||
// NodeNavigator provides cursor model for navigating XML data.
|
||||
|
|
|
|||
|
|
@ -66,10 +66,15 @@ func (n *Node) InnerText() string {
|
|||
|
||||
func outputXML(buf *bytes.Buffer, n *Node) {
|
||||
if n.Type == TextNode || n.Type == CommentNode {
|
||||
buf.WriteString(strings.TrimSpace(n.Data))
|
||||
xml.EscapeText(buf, []byte(strings.TrimSpace(n.Data)))
|
||||
return
|
||||
}
|
||||
if n.Type == DeclarationNode {
|
||||
buf.WriteString("<?" + n.Data)
|
||||
} else {
|
||||
buf.WriteString("<" + n.Data)
|
||||
}
|
||||
|
||||
for _, attr := range n.Attr {
|
||||
if attr.Name.Space != "" {
|
||||
buf.WriteString(fmt.Sprintf(` %s:%s="%s"`, attr.Name.Space, attr.Name.Local, attr.Value))
|
||||
|
|
@ -77,12 +82,18 @@ func outputXML(buf *bytes.Buffer, n *Node) {
|
|||
buf.WriteString(fmt.Sprintf(` %s="%s"`, attr.Name.Local, attr.Value))
|
||||
}
|
||||
}
|
||||
if n.Type == DeclarationNode {
|
||||
buf.WriteString("?>")
|
||||
} else {
|
||||
buf.WriteString(">")
|
||||
}
|
||||
for child := n.FirstChild; child != nil; child = child.NextSibling {
|
||||
outputXML(buf, child)
|
||||
}
|
||||
if n.Type != DeclarationNode {
|
||||
buf.WriteString(fmt.Sprintf("</%s>", n.Data))
|
||||
}
|
||||
}
|
||||
|
||||
// OutputXML returns the text that including tags name.
|
||||
func (n *Node) OutputXML(self bool) string {
|
||||
|
|
@ -128,6 +139,9 @@ func addChild(parent, n *Node) {
|
|||
}
|
||||
|
||||
func addSibling(sibling, n *Node) {
|
||||
for t := sibling.NextSibling; t != nil; t = t.NextSibling {
|
||||
sibling = t
|
||||
}
|
||||
n.Parent = sibling.Parent
|
||||
sibling.NextSibling = n
|
||||
n.PrevSibling = sibling
|
||||
|
|
@ -245,8 +259,3 @@ quit:
|
|||
func Parse(r io.Reader) (*Node, error) {
|
||||
return parse(r)
|
||||
}
|
||||
|
||||
// ParseXML returns the parse tree for the XML from the given Reader.Deprecated.
|
||||
func ParseXML(r io.Reader) (*Node, error) {
|
||||
return parse(r)
|
||||
}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,11 @@
|
|||
module github.com/dylanmei/winrmtest
|
||||
|
||||
require (
|
||||
github.com/antchfx/xpath v0.0.0-20190129040759-c8489ed3251e // indirect
|
||||
github.com/antchfx/xquery v0.0.0-20180515051857-ad5b8c7a47b0
|
||||
github.com/kr/pretty v0.1.0 // indirect
|
||||
github.com/satori/go.uuid v1.2.0
|
||||
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd // indirect
|
||||
golang.org/x/text v0.3.0 // indirect
|
||||
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
|
||||
)
|
||||
|
|
@ -0,0 +1,17 @@
|
|||
github.com/antchfx/xpath v0.0.0-20190129040759-c8489ed3251e h1:ptBAamGVd6CfRsUtyHD+goy2JGhv1QC32v3gqM8mYAM=
|
||||
github.com/antchfx/xpath v0.0.0-20190129040759-c8489ed3251e/go.mod h1:Yee4kTMuNiPYJ7nSNorELQMr1J33uOpXDMByNYhvtNk=
|
||||
github.com/antchfx/xquery v0.0.0-20180515051857-ad5b8c7a47b0 h1:JaCC8jz0zdMLk2m+qCCVLLLM/PL93p84w4pK3aJWj60=
|
||||
github.com/antchfx/xquery v0.0.0-20180515051857-ad5b8c7a47b0/go.mod h1:LzD22aAzDP8/dyiCKFp31He4m2GPjl0AFyzDtZzUu9M=
|
||||
github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
|
||||
github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
|
||||
github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
|
||||
github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
|
||||
github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
|
||||
github.com/satori/go.uuid v1.2.0 h1:0uYX9dsZ2yD7q2RtLRtPSdGDWzjeM3TbMJP9utgA0ww=
|
||||
github.com/satori/go.uuid v1.2.0/go.mod h1:dA0hQrYB0VpLJoorglMZABFdXlWrHn1NEOzdhQKdks0=
|
||||
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd h1:HuTn7WObtcDo9uEEU7rEqL0jYthdXAmZ6PP+meazmaU=
|
||||
golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
|
||||
golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
|
||||
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
|
||||
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
|
||||
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
|
||||
|
|
@ -7,6 +7,8 @@ go:
|
|||
- 1.5
|
||||
- 1.6
|
||||
- 1.7
|
||||
- 1.8
|
||||
- 1.9
|
||||
- tip
|
||||
matrix:
|
||||
allow_failures:
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
Copyright (C) 2013-2016 by Maxim Bublis <b@codemonkey.ru>
|
||||
Copyright (C) 2013-2018 by Maxim Bublis <b@codemonkey.ru>
|
||||
|
||||
Permission is hereby granted, free of charge, to any person obtaining
|
||||
a copy of this software and associated documentation files (the
|
||||
|
|
|
|||
|
|
@ -59,7 +59,7 @@ func main() {
|
|||
|
||||
## Copyright
|
||||
|
||||
Copyright (C) 2013-2016 by Maxim Bublis <b@codemonkey.ru>.
|
||||
Copyright (C) 2013-2018 by Maxim Bublis <b@codemonkey.ru>.
|
||||
|
||||
UUID package released under MIT License.
|
||||
See [LICENSE](https://github.com/satori/go.uuid/blob/master/LICENSE) for details.
|
||||
|
|
|
|||
|
|
@ -0,0 +1,206 @@
|
|||
// Copyright (C) 2013-2018 by Maxim Bublis <b@codemonkey.ru>
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining
|
||||
// a copy of this software and associated documentation files (the
|
||||
// "Software"), to deal in the Software without restriction, including
|
||||
// without limitation the rights to use, copy, modify, merge, publish,
|
||||
// distribute, sublicense, and/or sell copies of the Software, and to
|
||||
// permit persons to whom the Software is furnished to do so, subject to
|
||||
// the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be
|
||||
// included in all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
|
||||
package uuid
|
||||
|
||||
import (
|
||||
"bytes"
|
||||
"encoding/hex"
|
||||
"fmt"
|
||||
)
|
||||
|
||||
// FromBytes returns UUID converted from raw byte slice input.
|
||||
// It will return error if the slice isn't 16 bytes long.
|
||||
func FromBytes(input []byte) (u UUID, err error) {
|
||||
err = u.UnmarshalBinary(input)
|
||||
return
|
||||
}
|
||||
|
||||
// FromBytesOrNil returns UUID converted from raw byte slice input.
|
||||
// Same behavior as FromBytes, but returns a Nil UUID on error.
|
||||
func FromBytesOrNil(input []byte) UUID {
|
||||
uuid, err := FromBytes(input)
|
||||
if err != nil {
|
||||
return Nil
|
||||
}
|
||||
return uuid
|
||||
}
|
||||
|
||||
// FromString returns UUID parsed from string input.
|
||||
// Input is expected in a form accepted by UnmarshalText.
|
||||
func FromString(input string) (u UUID, err error) {
|
||||
err = u.UnmarshalText([]byte(input))
|
||||
return
|
||||
}
|
||||
|
||||
// FromStringOrNil returns UUID parsed from string input.
|
||||
// Same behavior as FromString, but returns a Nil UUID on error.
|
||||
func FromStringOrNil(input string) UUID {
|
||||
uuid, err := FromString(input)
|
||||
if err != nil {
|
||||
return Nil
|
||||
}
|
||||
return uuid
|
||||
}
|
||||
|
||||
// MarshalText implements the encoding.TextMarshaler interface.
|
||||
// The encoding is the same as returned by String.
|
||||
func (u UUID) MarshalText() (text []byte, err error) {
|
||||
text = []byte(u.String())
|
||||
return
|
||||
}
|
||||
|
||||
// UnmarshalText implements the encoding.TextUnmarshaler interface.
|
||||
// Following formats are supported:
|
||||
// "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
|
||||
// "{6ba7b810-9dad-11d1-80b4-00c04fd430c8}",
|
||||
// "urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8"
|
||||
// "6ba7b8109dad11d180b400c04fd430c8"
|
||||
// ABNF for supported UUID text representation follows:
|
||||
// uuid := canonical | hashlike | braced | urn
|
||||
// plain := canonical | hashlike
|
||||
// canonical := 4hexoct '-' 2hexoct '-' 2hexoct '-' 6hexoct
|
||||
// hashlike := 12hexoct
|
||||
// braced := '{' plain '}'
|
||||
// urn := URN ':' UUID-NID ':' plain
|
||||
// URN := 'urn'
|
||||
// UUID-NID := 'uuid'
|
||||
// 12hexoct := 6hexoct 6hexoct
|
||||
// 6hexoct := 4hexoct 2hexoct
|
||||
// 4hexoct := 2hexoct 2hexoct
|
||||
// 2hexoct := hexoct hexoct
|
||||
// hexoct := hexdig hexdig
|
||||
// hexdig := '0' | '1' | '2' | '3' | '4' | '5' | '6' | '7' | '8' | '9' |
|
||||
// 'a' | 'b' | 'c' | 'd' | 'e' | 'f' |
|
||||
// 'A' | 'B' | 'C' | 'D' | 'E' | 'F'
|
||||
func (u *UUID) UnmarshalText(text []byte) (err error) {
|
||||
switch len(text) {
|
||||
case 32:
|
||||
return u.decodeHashLike(text)
|
||||
case 36:
|
||||
return u.decodeCanonical(text)
|
||||
case 38:
|
||||
return u.decodeBraced(text)
|
||||
case 41:
|
||||
fallthrough
|
||||
case 45:
|
||||
return u.decodeURN(text)
|
||||
default:
|
||||
return fmt.Errorf("uuid: incorrect UUID length: %s", text)
|
||||
}
|
||||
}
|
||||
|
||||
// decodeCanonical decodes UUID string in format
|
||||
// "6ba7b810-9dad-11d1-80b4-00c04fd430c8".
|
||||
func (u *UUID) decodeCanonical(t []byte) (err error) {
|
||||
if t[8] != '-' || t[13] != '-' || t[18] != '-' || t[23] != '-' {
|
||||
return fmt.Errorf("uuid: incorrect UUID format %s", t)
|
||||
}
|
||||
|
||||
src := t[:]
|
||||
dst := u[:]
|
||||
|
||||
for i, byteGroup := range byteGroups {
|
||||
if i > 0 {
|
||||
src = src[1:] // skip dash
|
||||
}
|
||||
_, err = hex.Decode(dst[:byteGroup/2], src[:byteGroup])
|
||||
if err != nil {
|
||||
return
|
||||
}
|
||||
src = src[byteGroup:]
|
||||
dst = dst[byteGroup/2:]
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
// decodeHashLike decodes UUID string in format
|
||||
// "6ba7b8109dad11d180b400c04fd430c8".
|
||||
func (u *UUID) decodeHashLike(t []byte) (err error) {
|
||||
src := t[:]
|
||||
dst := u[:]
|
||||
|
||||
if _, err = hex.Decode(dst, src); err != nil {
|
||||
return err
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
// decodeBraced decodes UUID string in format
|
||||
// "{6ba7b810-9dad-11d1-80b4-00c04fd430c8}" or in format
|
||||
// "{6ba7b8109dad11d180b400c04fd430c8}".
|
||||
func (u *UUID) decodeBraced(t []byte) (err error) {
|
||||
l := len(t)
|
||||
|
||||
if t[0] != '{' || t[l-1] != '}' {
|
||||
return fmt.Errorf("uuid: incorrect UUID format %s", t)
|
||||
}
|
||||
|
||||
return u.decodePlain(t[1 : l-1])
|
||||
}
|
||||
|
||||
// decodeURN decodes UUID string in format
|
||||
// "urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8" or in format
|
||||
// "urn:uuid:6ba7b8109dad11d180b400c04fd430c8".
|
||||
func (u *UUID) decodeURN(t []byte) (err error) {
|
||||
total := len(t)
|
||||
|
||||
urn_uuid_prefix := t[:9]
|
||||
|
||||
if !bytes.Equal(urn_uuid_prefix, urnPrefix) {
|
||||
return fmt.Errorf("uuid: incorrect UUID format: %s", t)
|
||||
}
|
||||
|
||||
return u.decodePlain(t[9:total])
|
||||
}
|
||||
|
||||
// decodePlain decodes UUID string in canonical format
|
||||
// "6ba7b810-9dad-11d1-80b4-00c04fd430c8" or in hash-like format
|
||||
// "6ba7b8109dad11d180b400c04fd430c8".
|
||||
func (u *UUID) decodePlain(t []byte) (err error) {
|
||||
switch len(t) {
|
||||
case 32:
|
||||
return u.decodeHashLike(t)
|
||||
case 36:
|
||||
return u.decodeCanonical(t)
|
||||
default:
|
||||
return fmt.Errorf("uuid: incorrrect UUID length: %s", t)
|
||||
}
|
||||
}
|
||||
|
||||
// MarshalBinary implements the encoding.BinaryMarshaler interface.
|
||||
func (u UUID) MarshalBinary() (data []byte, err error) {
|
||||
data = u.Bytes()
|
||||
return
|
||||
}
|
||||
|
||||
// UnmarshalBinary implements the encoding.BinaryUnmarshaler interface.
|
||||
// It will return error if the slice isn't 16 bytes long.
|
||||
func (u *UUID) UnmarshalBinary(data []byte) (err error) {
|
||||
if len(data) != Size {
|
||||
err = fmt.Errorf("uuid: UUID must be exactly 16 bytes long, got %d bytes", len(data))
|
||||
return
|
||||
}
|
||||
copy(u[:], data)
|
||||
|
||||
return
|
||||
}
|
||||
|
|
@ -0,0 +1,239 @@
|
|||
// Copyright (C) 2013-2018 by Maxim Bublis <b@codemonkey.ru>
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining
|
||||
// a copy of this software and associated documentation files (the
|
||||
// "Software"), to deal in the Software without restriction, including
|
||||
// without limitation the rights to use, copy, modify, merge, publish,
|
||||
// distribute, sublicense, and/or sell copies of the Software, and to
|
||||
// permit persons to whom the Software is furnished to do so, subject to
|
||||
// the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be
|
||||
// included in all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
|
||||
package uuid
|
||||
|
||||
import (
|
||||
"crypto/md5"
|
||||
"crypto/rand"
|
||||
"crypto/sha1"
|
||||
"encoding/binary"
|
||||
"hash"
|
||||
"net"
|
||||
"os"
|
||||
"sync"
|
||||
"time"
|
||||
)
|
||||
|
||||
// Difference in 100-nanosecond intervals between
|
||||
// UUID epoch (October 15, 1582) and Unix epoch (January 1, 1970).
|
||||
const epochStart = 122192928000000000
|
||||
|
||||
var (
|
||||
global = newDefaultGenerator()
|
||||
|
||||
epochFunc = unixTimeFunc
|
||||
posixUID = uint32(os.Getuid())
|
||||
posixGID = uint32(os.Getgid())
|
||||
)
|
||||
|
||||
// NewV1 returns UUID based on current timestamp and MAC address.
|
||||
func NewV1() UUID {
|
||||
return global.NewV1()
|
||||
}
|
||||
|
||||
// NewV2 returns DCE Security UUID based on POSIX UID/GID.
|
||||
func NewV2(domain byte) UUID {
|
||||
return global.NewV2(domain)
|
||||
}
|
||||
|
||||
// NewV3 returns UUID based on MD5 hash of namespace UUID and name.
|
||||
func NewV3(ns UUID, name string) UUID {
|
||||
return global.NewV3(ns, name)
|
||||
}
|
||||
|
||||
// NewV4 returns random generated UUID.
|
||||
func NewV4() UUID {
|
||||
return global.NewV4()
|
||||
}
|
||||
|
||||
// NewV5 returns UUID based on SHA-1 hash of namespace UUID and name.
|
||||
func NewV5(ns UUID, name string) UUID {
|
||||
return global.NewV5(ns, name)
|
||||
}
|
||||
|
||||
// Generator provides interface for generating UUIDs.
|
||||
type Generator interface {
|
||||
NewV1() UUID
|
||||
NewV2(domain byte) UUID
|
||||
NewV3(ns UUID, name string) UUID
|
||||
NewV4() UUID
|
||||
NewV5(ns UUID, name string) UUID
|
||||
}
|
||||
|
||||
// Default generator implementation.
|
||||
type generator struct {
|
||||
storageOnce sync.Once
|
||||
storageMutex sync.Mutex
|
||||
|
||||
lastTime uint64
|
||||
clockSequence uint16
|
||||
hardwareAddr [6]byte
|
||||
}
|
||||
|
||||
func newDefaultGenerator() Generator {
|
||||
return &generator{}
|
||||
}
|
||||
|
||||
// NewV1 returns UUID based on current timestamp and MAC address.
|
||||
func (g *generator) NewV1() UUID {
|
||||
u := UUID{}
|
||||
|
||||
timeNow, clockSeq, hardwareAddr := g.getStorage()
|
||||
|
||||
binary.BigEndian.PutUint32(u[0:], uint32(timeNow))
|
||||
binary.BigEndian.PutUint16(u[4:], uint16(timeNow>>32))
|
||||
binary.BigEndian.PutUint16(u[6:], uint16(timeNow>>48))
|
||||
binary.BigEndian.PutUint16(u[8:], clockSeq)
|
||||
|
||||
copy(u[10:], hardwareAddr)
|
||||
|
||||
u.SetVersion(V1)
|
||||
u.SetVariant(VariantRFC4122)
|
||||
|
||||
return u
|
||||
}
|
||||
|
||||
// NewV2 returns DCE Security UUID based on POSIX UID/GID.
|
||||
func (g *generator) NewV2(domain byte) UUID {
|
||||
u := UUID{}
|
||||
|
||||
timeNow, clockSeq, hardwareAddr := g.getStorage()
|
||||
|
||||
switch domain {
|
||||
case DomainPerson:
|
||||
binary.BigEndian.PutUint32(u[0:], posixUID)
|
||||
case DomainGroup:
|
||||
binary.BigEndian.PutUint32(u[0:], posixGID)
|
||||
}
|
||||
|
||||
binary.BigEndian.PutUint16(u[4:], uint16(timeNow>>32))
|
||||
binary.BigEndian.PutUint16(u[6:], uint16(timeNow>>48))
|
||||
binary.BigEndian.PutUint16(u[8:], clockSeq)
|
||||
u[9] = domain
|
||||
|
||||
copy(u[10:], hardwareAddr)
|
||||
|
||||
u.SetVersion(V2)
|
||||
u.SetVariant(VariantRFC4122)
|
||||
|
||||
return u
|
||||
}
|
||||
|
||||
// NewV3 returns UUID based on MD5 hash of namespace UUID and name.
|
||||
func (g *generator) NewV3(ns UUID, name string) UUID {
|
||||
u := newFromHash(md5.New(), ns, name)
|
||||
u.SetVersion(V3)
|
||||
u.SetVariant(VariantRFC4122)
|
||||
|
||||
return u
|
||||
}
|
||||
|
||||
// NewV4 returns random generated UUID.
|
||||
func (g *generator) NewV4() UUID {
|
||||
u := UUID{}
|
||||
g.safeRandom(u[:])
|
||||
u.SetVersion(V4)
|
||||
u.SetVariant(VariantRFC4122)
|
||||
|
||||
return u
|
||||
}
|
||||
|
||||
// NewV5 returns UUID based on SHA-1 hash of namespace UUID and name.
|
||||
func (g *generator) NewV5(ns UUID, name string) UUID {
|
||||
u := newFromHash(sha1.New(), ns, name)
|
||||
u.SetVersion(V5)
|
||||
u.SetVariant(VariantRFC4122)
|
||||
|
||||
return u
|
||||
}
|
||||
|
||||
func (g *generator) initStorage() {
|
||||
g.initClockSequence()
|
||||
g.initHardwareAddr()
|
||||
}
|
||||
|
||||
func (g *generator) initClockSequence() {
|
||||
buf := make([]byte, 2)
|
||||
g.safeRandom(buf)
|
||||
g.clockSequence = binary.BigEndian.Uint16(buf)
|
||||
}
|
||||
|
||||
func (g *generator) initHardwareAddr() {
|
||||
interfaces, err := net.Interfaces()
|
||||
if err == nil {
|
||||
for _, iface := range interfaces {
|
||||
if len(iface.HardwareAddr) >= 6 {
|
||||
copy(g.hardwareAddr[:], iface.HardwareAddr)
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Initialize hardwareAddr randomly in case
|
||||
// of real network interfaces absence
|
||||
g.safeRandom(g.hardwareAddr[:])
|
||||
|
||||
// Set multicast bit as recommended in RFC 4122
|
||||
g.hardwareAddr[0] |= 0x01
|
||||
}
|
||||
|
||||
func (g *generator) safeRandom(dest []byte) {
|
||||
if _, err := rand.Read(dest); err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
||||
|
||||
// Returns UUID v1/v2 storage state.
|
||||
// Returns epoch timestamp, clock sequence, and hardware address.
|
||||
func (g *generator) getStorage() (uint64, uint16, []byte) {
|
||||
g.storageOnce.Do(g.initStorage)
|
||||
|
||||
g.storageMutex.Lock()
|
||||
defer g.storageMutex.Unlock()
|
||||
|
||||
timeNow := epochFunc()
|
||||
// Clock changed backwards since last UUID generation.
|
||||
// Should increase clock sequence.
|
||||
if timeNow <= g.lastTime {
|
||||
g.clockSequence++
|
||||
}
|
||||
g.lastTime = timeNow
|
||||
|
||||
return timeNow, g.clockSequence, g.hardwareAddr[:]
|
||||
}
|
||||
|
||||
// Returns difference in 100-nanosecond intervals between
|
||||
// UUID epoch (October 15, 1582) and current time.
|
||||
// This is default epoch calculation function.
|
||||
func unixTimeFunc() uint64 {
|
||||
return epochStart + uint64(time.Now().UnixNano()/100)
|
||||
}
|
||||
|
||||
// Returns UUID based on hashing of namespace UUID and name.
|
||||
func newFromHash(h hash.Hash, ns UUID, name string) UUID {
|
||||
u := UUID{}
|
||||
h.Write(ns[:])
|
||||
h.Write([]byte(name))
|
||||
copy(u[:], h.Sum(nil))
|
||||
|
||||
return u
|
||||
}
|
||||
|
|
@ -0,0 +1,78 @@
|
|||
// Copyright (C) 2013-2018 by Maxim Bublis <b@codemonkey.ru>
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining
|
||||
// a copy of this software and associated documentation files (the
|
||||
// "Software"), to deal in the Software without restriction, including
|
||||
// without limitation the rights to use, copy, modify, merge, publish,
|
||||
// distribute, sublicense, and/or sell copies of the Software, and to
|
||||
// permit persons to whom the Software is furnished to do so, subject to
|
||||
// the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be
|
||||
// included in all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
||||
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
|
||||
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
|
||||
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
|
||||
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
|
||||
package uuid
|
||||
|
||||
import (
|
||||
"database/sql/driver"
|
||||
"fmt"
|
||||
)
|
||||
|
||||
// Value implements the driver.Valuer interface.
|
||||
func (u UUID) Value() (driver.Value, error) {
|
||||
return u.String(), nil
|
||||
}
|
||||
|
||||
// Scan implements the sql.Scanner interface.
|
||||
// A 16-byte slice is handled by UnmarshalBinary, while
|
||||
// a longer byte slice or a string is handled by UnmarshalText.
|
||||
func (u *UUID) Scan(src interface{}) error {
|
||||
switch src := src.(type) {
|
||||
case []byte:
|
||||
if len(src) == Size {
|
||||
return u.UnmarshalBinary(src)
|
||||
}
|
||||
return u.UnmarshalText(src)
|
||||
|
||||
case string:
|
||||
return u.UnmarshalText([]byte(src))
|
||||
}
|
||||
|
||||
return fmt.Errorf("uuid: cannot convert %T to UUID", src)
|
||||
}
|
||||
|
||||
// NullUUID can be used with the standard sql package to represent a
|
||||
// UUID value that can be NULL in the database
|
||||
type NullUUID struct {
|
||||
UUID UUID
|
||||
Valid bool
|
||||
}
|
||||
|
||||
// Value implements the driver.Valuer interface.
|
||||
func (u NullUUID) Value() (driver.Value, error) {
|
||||
if !u.Valid {
|
||||
return nil, nil
|
||||
}
|
||||
// Delegate to UUID Value function
|
||||
return u.UUID.Value()
|
||||
}
|
||||
|
||||
// Scan implements the sql.Scanner interface.
|
||||
func (u *NullUUID) Scan(src interface{}) error {
|
||||
if src == nil {
|
||||
u.UUID, u.Valid = Nil, false
|
||||
return nil
|
||||
}
|
||||
|
||||
// Delegate to UUID Scan function
|
||||
u.Valid = true
|
||||
return u.UUID.Scan(src)
|
||||
}
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
// Copyright (C) 2013-2015 by Maxim Bublis <b@codemonkey.ru>
|
||||
// Copyright (C) 2013-2018 by Maxim Bublis <b@codemonkey.ru>
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining
|
||||
// a copy of this software and associated documentation files (the
|
||||
|
|
@ -26,23 +26,29 @@ package uuid
|
|||
|
||||
import (
|
||||
"bytes"
|
||||
"crypto/md5"
|
||||
"crypto/rand"
|
||||
"crypto/sha1"
|
||||
"database/sql/driver"
|
||||
"encoding/binary"
|
||||
"encoding/hex"
|
||||
"fmt"
|
||||
"hash"
|
||||
"net"
|
||||
"os"
|
||||
"sync"
|
||||
"time"
|
||||
)
|
||||
|
||||
// Size of a UUID in bytes.
|
||||
const Size = 16
|
||||
|
||||
// UUID representation compliant with specification
|
||||
// described in RFC 4122.
|
||||
type UUID [Size]byte
|
||||
|
||||
// UUID versions
|
||||
const (
|
||||
_ byte = iota
|
||||
V1
|
||||
V2
|
||||
V3
|
||||
V4
|
||||
V5
|
||||
)
|
||||
|
||||
// UUID layout variants.
|
||||
const (
|
||||
VariantNCS = iota
|
||||
VariantNCS byte = iota
|
||||
VariantRFC4122
|
||||
VariantMicrosoft
|
||||
VariantFuture
|
||||
|
|
@ -55,137 +61,49 @@ const (
|
|||
DomainOrg
|
||||
)
|
||||
|
||||
// Difference in 100-nanosecond intervals between
|
||||
// UUID epoch (October 15, 1582) and Unix epoch (January 1, 1970).
|
||||
const epochStart = 122192928000000000
|
||||
|
||||
// Used in string method conversion
|
||||
const dash byte = '-'
|
||||
|
||||
// UUID v1/v2 storage.
|
||||
var (
|
||||
storageMutex sync.Mutex
|
||||
storageOnce sync.Once
|
||||
epochFunc = unixTimeFunc
|
||||
clockSequence uint16
|
||||
lastTime uint64
|
||||
hardwareAddr [6]byte
|
||||
posixUID = uint32(os.Getuid())
|
||||
posixGID = uint32(os.Getgid())
|
||||
)
|
||||
|
||||
// String parse helpers.
|
||||
var (
|
||||
urnPrefix = []byte("urn:uuid:")
|
||||
byteGroups = []int{8, 4, 4, 4, 12}
|
||||
)
|
||||
|
||||
func initClockSequence() {
|
||||
buf := make([]byte, 2)
|
||||
safeRandom(buf)
|
||||
clockSequence = binary.BigEndian.Uint16(buf)
|
||||
}
|
||||
|
||||
func initHardwareAddr() {
|
||||
interfaces, err := net.Interfaces()
|
||||
if err == nil {
|
||||
for _, iface := range interfaces {
|
||||
if len(iface.HardwareAddr) >= 6 {
|
||||
copy(hardwareAddr[:], iface.HardwareAddr)
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Initialize hardwareAddr randomly in case
|
||||
// of real network interfaces absence
|
||||
safeRandom(hardwareAddr[:])
|
||||
|
||||
// Set multicast bit as recommended in RFC 4122
|
||||
hardwareAddr[0] |= 0x01
|
||||
}
|
||||
|
||||
func initStorage() {
|
||||
initClockSequence()
|
||||
initHardwareAddr()
|
||||
}
|
||||
|
||||
func safeRandom(dest []byte) {
|
||||
if _, err := rand.Read(dest); err != nil {
|
||||
panic(err)
|
||||
}
|
||||
}
|
||||
|
||||
// Returns difference in 100-nanosecond intervals between
|
||||
// UUID epoch (October 15, 1582) and current time.
|
||||
// This is default epoch calculation function.
|
||||
func unixTimeFunc() uint64 {
|
||||
return epochStart + uint64(time.Now().UnixNano()/100)
|
||||
}
|
||||
|
||||
// UUID representation compliant with specification
|
||||
// described in RFC 4122.
|
||||
type UUID [16]byte
|
||||
|
||||
// NullUUID can be used with the standard sql package to represent a
|
||||
// UUID value that can be NULL in the database
|
||||
type NullUUID struct {
|
||||
UUID UUID
|
||||
Valid bool
|
||||
}
|
||||
|
||||
// The nil UUID is special form of UUID that is specified to have all
|
||||
// Nil is special form of UUID that is specified to have all
|
||||
// 128 bits set to zero.
|
||||
var Nil = UUID{}
|
||||
|
||||
// Predefined namespace UUIDs.
|
||||
var (
|
||||
NamespaceDNS, _ = FromString("6ba7b810-9dad-11d1-80b4-00c04fd430c8")
|
||||
NamespaceURL, _ = FromString("6ba7b811-9dad-11d1-80b4-00c04fd430c8")
|
||||
NamespaceOID, _ = FromString("6ba7b812-9dad-11d1-80b4-00c04fd430c8")
|
||||
NamespaceX500, _ = FromString("6ba7b814-9dad-11d1-80b4-00c04fd430c8")
|
||||
NamespaceDNS = Must(FromString("6ba7b810-9dad-11d1-80b4-00c04fd430c8"))
|
||||
NamespaceURL = Must(FromString("6ba7b811-9dad-11d1-80b4-00c04fd430c8"))
|
||||
NamespaceOID = Must(FromString("6ba7b812-9dad-11d1-80b4-00c04fd430c8"))
|
||||
NamespaceX500 = Must(FromString("6ba7b814-9dad-11d1-80b4-00c04fd430c8"))
|
||||
)
|
||||
|
||||
// And returns result of binary AND of two UUIDs.
|
||||
func And(u1 UUID, u2 UUID) UUID {
|
||||
u := UUID{}
|
||||
for i := 0; i < 16; i++ {
|
||||
u[i] = u1[i] & u2[i]
|
||||
}
|
||||
return u
|
||||
}
|
||||
|
||||
// Or returns result of binary OR of two UUIDs.
|
||||
func Or(u1 UUID, u2 UUID) UUID {
|
||||
u := UUID{}
|
||||
for i := 0; i < 16; i++ {
|
||||
u[i] = u1[i] | u2[i]
|
||||
}
|
||||
return u
|
||||
}
|
||||
|
||||
// Equal returns true if u1 and u2 equals, otherwise returns false.
|
||||
func Equal(u1 UUID, u2 UUID) bool {
|
||||
return bytes.Equal(u1[:], u2[:])
|
||||
}
|
||||
|
||||
// Version returns algorithm version used to generate UUID.
|
||||
func (u UUID) Version() uint {
|
||||
return uint(u[6] >> 4)
|
||||
func (u UUID) Version() byte {
|
||||
return u[6] >> 4
|
||||
}
|
||||
|
||||
// Variant returns UUID layout variant.
|
||||
func (u UUID) Variant() uint {
|
||||
func (u UUID) Variant() byte {
|
||||
switch {
|
||||
case (u[8] & 0x80) == 0x00:
|
||||
case (u[8] >> 7) == 0x00:
|
||||
return VariantNCS
|
||||
case (u[8]&0xc0)|0x80 == 0x80:
|
||||
case (u[8] >> 6) == 0x02:
|
||||
return VariantRFC4122
|
||||
case (u[8]&0xe0)|0xc0 == 0xc0:
|
||||
case (u[8] >> 5) == 0x06:
|
||||
return VariantMicrosoft
|
||||
}
|
||||
case (u[8] >> 5) == 0x07:
|
||||
fallthrough
|
||||
default:
|
||||
return VariantFuture
|
||||
}
|
||||
}
|
||||
|
||||
// Bytes returns bytes slice representation of UUID.
|
||||
func (u UUID) Bytes() []byte {
|
||||
|
|
@ -198,13 +116,13 @@ func (u UUID) String() string {
|
|||
buf := make([]byte, 36)
|
||||
|
||||
hex.Encode(buf[0:8], u[0:4])
|
||||
buf[8] = dash
|
||||
buf[8] = '-'
|
||||
hex.Encode(buf[9:13], u[4:6])
|
||||
buf[13] = dash
|
||||
buf[13] = '-'
|
||||
hex.Encode(buf[14:18], u[6:8])
|
||||
buf[18] = dash
|
||||
buf[18] = '-'
|
||||
hex.Encode(buf[19:23], u[8:10])
|
||||
buf[23] = dash
|
||||
buf[23] = '-'
|
||||
hex.Encode(buf[24:], u[10:])
|
||||
|
||||
return string(buf)
|
||||
|
|
@ -215,267 +133,29 @@ func (u *UUID) SetVersion(v byte) {
|
|||
u[6] = (u[6] & 0x0f) | (v << 4)
|
||||
}
|
||||
|
||||
// SetVariant sets variant bits as described in RFC 4122.
|
||||
func (u *UUID) SetVariant() {
|
||||
u[8] = (u[8] & 0xbf) | 0x80
|
||||
// SetVariant sets variant bits.
|
||||
func (u *UUID) SetVariant(v byte) {
|
||||
switch v {
|
||||
case VariantNCS:
|
||||
u[8] = (u[8]&(0xff>>1) | (0x00 << 7))
|
||||
case VariantRFC4122:
|
||||
u[8] = (u[8]&(0xff>>2) | (0x02 << 6))
|
||||
case VariantMicrosoft:
|
||||
u[8] = (u[8]&(0xff>>3) | (0x06 << 5))
|
||||
case VariantFuture:
|
||||
fallthrough
|
||||
default:
|
||||
u[8] = (u[8]&(0xff>>3) | (0x07 << 5))
|
||||
}
|
||||
}
|
||||
|
||||
// MarshalText implements the encoding.TextMarshaler interface.
|
||||
// The encoding is the same as returned by String.
|
||||
func (u UUID) MarshalText() (text []byte, err error) {
|
||||
text = []byte(u.String())
|
||||
return
|
||||
}
|
||||
|
||||
// UnmarshalText implements the encoding.TextUnmarshaler interface.
|
||||
// Following formats are supported:
|
||||
// "6ba7b810-9dad-11d1-80b4-00c04fd430c8",
|
||||
// "{6ba7b810-9dad-11d1-80b4-00c04fd430c8}",
|
||||
// "urn:uuid:6ba7b810-9dad-11d1-80b4-00c04fd430c8"
|
||||
func (u *UUID) UnmarshalText(text []byte) (err error) {
|
||||
if len(text) < 32 {
|
||||
err = fmt.Errorf("uuid: UUID string too short: %s", text)
|
||||
return
|
||||
}
|
||||
|
||||
t := text[:]
|
||||
braced := false
|
||||
|
||||
if bytes.Equal(t[:9], urnPrefix) {
|
||||
t = t[9:]
|
||||
} else if t[0] == '{' {
|
||||
braced = true
|
||||
t = t[1:]
|
||||
}
|
||||
|
||||
b := u[:]
|
||||
|
||||
for i, byteGroup := range byteGroups {
|
||||
if i > 0 {
|
||||
if t[0] != '-' {
|
||||
err = fmt.Errorf("uuid: invalid string format")
|
||||
return
|
||||
}
|
||||
t = t[1:]
|
||||
}
|
||||
|
||||
if len(t) < byteGroup {
|
||||
err = fmt.Errorf("uuid: UUID string too short: %s", text)
|
||||
return
|
||||
}
|
||||
|
||||
if i == 4 && len(t) > byteGroup &&
|
||||
((braced && t[byteGroup] != '}') || len(t[byteGroup:]) > 1 || !braced) {
|
||||
err = fmt.Errorf("uuid: UUID string too long: %s", text)
|
||||
return
|
||||
}
|
||||
|
||||
_, err = hex.Decode(b[:byteGroup/2], t[:byteGroup])
|
||||
// Must is a helper that wraps a call to a function returning (UUID, error)
|
||||
// and panics if the error is non-nil. It is intended for use in variable
|
||||
// initializations such as
|
||||
// var packageUUID = uuid.Must(uuid.FromString("123e4567-e89b-12d3-a456-426655440000"));
|
||||
func Must(u UUID, err error) UUID {
|
||||
if err != nil {
|
||||
return
|
||||
panic(err)
|
||||
}
|
||||
|
||||
t = t[byteGroup:]
|
||||
b = b[byteGroup/2:]
|
||||
}
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
// MarshalBinary implements the encoding.BinaryMarshaler interface.
|
||||
func (u UUID) MarshalBinary() (data []byte, err error) {
|
||||
data = u.Bytes()
|
||||
return
|
||||
}
|
||||
|
||||
// UnmarshalBinary implements the encoding.BinaryUnmarshaler interface.
|
||||
// It will return error if the slice isn't 16 bytes long.
|
||||
func (u *UUID) UnmarshalBinary(data []byte) (err error) {
|
||||
if len(data) != 16 {
|
||||
err = fmt.Errorf("uuid: UUID must be exactly 16 bytes long, got %d bytes", len(data))
|
||||
return
|
||||
}
|
||||
copy(u[:], data)
|
||||
|
||||
return
|
||||
}
|
||||
|
||||
// Value implements the driver.Valuer interface.
|
||||
func (u UUID) Value() (driver.Value, error) {
|
||||
return u.String(), nil
|
||||
}
|
||||
|
||||
// Scan implements the sql.Scanner interface.
|
||||
// A 16-byte slice is handled by UnmarshalBinary, while
|
||||
// a longer byte slice or a string is handled by UnmarshalText.
|
||||
func (u *UUID) Scan(src interface{}) error {
|
||||
switch src := src.(type) {
|
||||
case []byte:
|
||||
if len(src) == 16 {
|
||||
return u.UnmarshalBinary(src)
|
||||
}
|
||||
return u.UnmarshalText(src)
|
||||
|
||||
case string:
|
||||
return u.UnmarshalText([]byte(src))
|
||||
}
|
||||
|
||||
return fmt.Errorf("uuid: cannot convert %T to UUID", src)
|
||||
}
|
||||
|
||||
// Value implements the driver.Valuer interface.
|
||||
func (u NullUUID) Value() (driver.Value, error) {
|
||||
if !u.Valid {
|
||||
return nil, nil
|
||||
}
|
||||
// Delegate to UUID Value function
|
||||
return u.UUID.Value()
|
||||
}
|
||||
|
||||
// Scan implements the sql.Scanner interface.
|
||||
func (u *NullUUID) Scan(src interface{}) error {
|
||||
if src == nil {
|
||||
u.UUID, u.Valid = Nil, false
|
||||
return nil
|
||||
}
|
||||
|
||||
// Delegate to UUID Scan function
|
||||
u.Valid = true
|
||||
return u.UUID.Scan(src)
|
||||
}
|
||||
|
||||
// FromBytes returns UUID converted from raw byte slice input.
|
||||
// It will return error if the slice isn't 16 bytes long.
|
||||
func FromBytes(input []byte) (u UUID, err error) {
|
||||
err = u.UnmarshalBinary(input)
|
||||
return
|
||||
}
|
||||
|
||||
// FromBytesOrNil returns UUID converted from raw byte slice input.
|
||||
// Same behavior as FromBytes, but returns a Nil UUID on error.
|
||||
func FromBytesOrNil(input []byte) UUID {
|
||||
uuid, err := FromBytes(input)
|
||||
if err != nil {
|
||||
return Nil
|
||||
}
|
||||
return uuid
|
||||
}
|
||||
|
||||
// FromString returns UUID parsed from string input.
|
||||
// Input is expected in a form accepted by UnmarshalText.
|
||||
func FromString(input string) (u UUID, err error) {
|
||||
err = u.UnmarshalText([]byte(input))
|
||||
return
|
||||
}
|
||||
|
||||
// FromStringOrNil returns UUID parsed from string input.
|
||||
// Same behavior as FromString, but returns a Nil UUID on error.
|
||||
func FromStringOrNil(input string) UUID {
|
||||
uuid, err := FromString(input)
|
||||
if err != nil {
|
||||
return Nil
|
||||
}
|
||||
return uuid
|
||||
}
|
||||
|
||||
// Returns UUID v1/v2 storage state.
|
||||
// Returns epoch timestamp, clock sequence, and hardware address.
|
||||
func getStorage() (uint64, uint16, []byte) {
|
||||
storageOnce.Do(initStorage)
|
||||
|
||||
storageMutex.Lock()
|
||||
defer storageMutex.Unlock()
|
||||
|
||||
timeNow := epochFunc()
|
||||
// Clock changed backwards since last UUID generation.
|
||||
// Should increase clock sequence.
|
||||
if timeNow <= lastTime {
|
||||
clockSequence++
|
||||
}
|
||||
lastTime = timeNow
|
||||
|
||||
return timeNow, clockSequence, hardwareAddr[:]
|
||||
}
|
||||
|
||||
// NewV1 returns UUID based on current timestamp and MAC address.
|
||||
func NewV1() UUID {
|
||||
u := UUID{}
|
||||
|
||||
timeNow, clockSeq, hardwareAddr := getStorage()
|
||||
|
||||
binary.BigEndian.PutUint32(u[0:], uint32(timeNow))
|
||||
binary.BigEndian.PutUint16(u[4:], uint16(timeNow>>32))
|
||||
binary.BigEndian.PutUint16(u[6:], uint16(timeNow>>48))
|
||||
binary.BigEndian.PutUint16(u[8:], clockSeq)
|
||||
|
||||
copy(u[10:], hardwareAddr)
|
||||
|
||||
u.SetVersion(1)
|
||||
u.SetVariant()
|
||||
|
||||
return u
|
||||
}
|
||||
|
||||
// NewV2 returns DCE Security UUID based on POSIX UID/GID.
|
||||
func NewV2(domain byte) UUID {
|
||||
u := UUID{}
|
||||
|
||||
timeNow, clockSeq, hardwareAddr := getStorage()
|
||||
|
||||
switch domain {
|
||||
case DomainPerson:
|
||||
binary.BigEndian.PutUint32(u[0:], posixUID)
|
||||
case DomainGroup:
|
||||
binary.BigEndian.PutUint32(u[0:], posixGID)
|
||||
}
|
||||
|
||||
binary.BigEndian.PutUint16(u[4:], uint16(timeNow>>32))
|
||||
binary.BigEndian.PutUint16(u[6:], uint16(timeNow>>48))
|
||||
binary.BigEndian.PutUint16(u[8:], clockSeq)
|
||||
u[9] = domain
|
||||
|
||||
copy(u[10:], hardwareAddr)
|
||||
|
||||
u.SetVersion(2)
|
||||
u.SetVariant()
|
||||
|
||||
return u
|
||||
}
|
||||
|
||||
// NewV3 returns UUID based on MD5 hash of namespace UUID and name.
|
||||
func NewV3(ns UUID, name string) UUID {
|
||||
u := newFromHash(md5.New(), ns, name)
|
||||
u.SetVersion(3)
|
||||
u.SetVariant()
|
||||
|
||||
return u
|
||||
}
|
||||
|
||||
// NewV4 returns random generated UUID.
|
||||
func NewV4() UUID {
|
||||
u := UUID{}
|
||||
safeRandom(u[:])
|
||||
u.SetVersion(4)
|
||||
u.SetVariant()
|
||||
|
||||
return u
|
||||
}
|
||||
|
||||
// NewV5 returns UUID based on SHA-1 hash of namespace UUID and name.
|
||||
func NewV5(ns UUID, name string) UUID {
|
||||
u := newFromHash(sha1.New(), ns, name)
|
||||
u.SetVersion(5)
|
||||
u.SetVariant()
|
||||
|
||||
return u
|
||||
}
|
||||
|
||||
// Returns UUID based on hashing of namespace UUID and name.
|
||||
func newFromHash(h hash.Hash, ns UUID, name string) UUID {
|
||||
u := UUID{}
|
||||
h.Write(ns[:])
|
||||
h.Write([]byte(name))
|
||||
copy(u[:], h.Sum(nil))
|
||||
|
||||
return u
|
||||
}
|
||||
|
|
|
|||
|
|
@ -47,9 +47,9 @@ github.com/agext/levenshtein
|
|||
# github.com/agl/ed25519 v0.0.0-20150830182803-278e1ec8e8a6
|
||||
github.com/agl/ed25519
|
||||
github.com/agl/ed25519/edwards25519
|
||||
# github.com/antchfx/xpath v0.0.0-20170728053731-b5c552e1acbd
|
||||
# github.com/antchfx/xpath v0.0.0-20190129040759-c8489ed3251e
|
||||
github.com/antchfx/xpath
|
||||
# github.com/antchfx/xquery v0.0.0-20170730121040-eb8c3c172607
|
||||
# github.com/antchfx/xquery v0.0.0-20180515051857-ad5b8c7a47b0
|
||||
github.com/antchfx/xquery/xml
|
||||
# github.com/apparentlymart/go-cidr v1.0.0
|
||||
github.com/apparentlymart/go-cidr/cidr
|
||||
|
|
@ -134,7 +134,7 @@ github.com/dgrijalva/jwt-go
|
|||
github.com/dimchansky/utfbom
|
||||
# github.com/dylanmei/iso8601 v0.1.0
|
||||
github.com/dylanmei/iso8601
|
||||
# github.com/dylanmei/winrmtest v0.0.0-20170819153634-c2fbb09e6c08
|
||||
# github.com/dylanmei/winrmtest v0.0.0-20190225150635-99b7fe2fddf1
|
||||
github.com/dylanmei/winrmtest
|
||||
# github.com/fatih/color v1.7.0
|
||||
github.com/fatih/color
|
||||
|
|
@ -170,10 +170,10 @@ github.com/gophercloud/gophercloud
|
|||
github.com/gophercloud/gophercloud/openstack
|
||||
github.com/gophercloud/gophercloud/openstack/objectstorage/v1/containers
|
||||
github.com/gophercloud/gophercloud/openstack/objectstorage/v1/objects
|
||||
github.com/gophercloud/gophercloud/pagination
|
||||
github.com/gophercloud/gophercloud/openstack/identity/v2/tokens
|
||||
github.com/gophercloud/gophercloud/openstack/identity/v3/tokens
|
||||
github.com/gophercloud/gophercloud/openstack/utils
|
||||
github.com/gophercloud/gophercloud/pagination
|
||||
github.com/gophercloud/gophercloud/openstack/objectstorage/v1/accounts
|
||||
github.com/gophercloud/gophercloud/openstack/blockstorage/extensions/volumeactions
|
||||
github.com/gophercloud/gophercloud/openstack/blockstorage/v1/volumes
|
||||
|
|
@ -408,7 +408,7 @@ github.com/posener/complete
|
|||
github.com/posener/complete/cmd/install
|
||||
github.com/posener/complete/cmd
|
||||
github.com/posener/complete/match
|
||||
# github.com/satori/go.uuid v0.0.0-20160927100844-b061729afc07
|
||||
# github.com/satori/go.uuid v1.2.0
|
||||
github.com/satori/go.uuid
|
||||
# github.com/spf13/afero v1.2.1
|
||||
github.com/spf13/afero
|
||||
|
|
|
|||
Loading…
Reference in New Issue