diff --git a/go.mod b/go.mod index c717a98..d222579 100644 --- a/go.mod +++ b/go.mod @@ -1,27 +1,25 @@ module github.com/writeas/writeas-cli require ( github.com/atotto/clipboard v0.1.1 github.com/cloudfoundry/jibber_jabber v0.0.0-20151120183258-bcc4c8345a21 github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e // indirect github.com/hashicorp/go-multierror v1.0.0 github.com/howeyc/gopass v0.0.0-20170109162249-bf9dde6d0d2c github.com/jtolds/gls v4.2.1+incompatible // indirect github.com/microcosm-cc/bluemonday v1.0.1 // indirect github.com/mitchellh/go-homedir v1.0.0 github.com/onsi/ginkgo v1.8.0 // indirect github.com/onsi/gomega v1.5.0 // indirect github.com/shurcooL/sanitized_anchor_name v0.0.0-20170918181015-86672fcb3f95 // indirect github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d // indirect github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c // indirect github.com/writeas/go-writeas/v2 v2.0.2 github.com/writeas/saturday v0.0.0-20170402010311-f455b05c043f // indirect github.com/writeas/web-core v0.0.0-20181111165528-05f387ffa1b3 - golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9 // indirect - golang.org/x/net v0.0.0-20181217023233-e147a9138326 // indirect - golang.org/x/sys v0.0.0-20181213200352-4d1cda033e06 // indirect + golang.org/x/net v0.7.0 // indirect gopkg.in/ini.v1 v1.39.3 gopkg.in/urfave/cli.v1 v1.20.0 ) go 1.13 diff --git a/go.sum b/go.sum index 449244e..efbd932 100644 --- a/go.sum +++ b/go.sum @@ -1,73 +1,93 @@ -code.as/core/socks v0.0.0-20180906144846-5be269b4e664 h1:zWSFbwkYSuZ2PjvHqYDE/dhd9CCcsbSvUIRx8hIed3I= -code.as/core/socks v0.0.0-20180906144846-5be269b4e664/go.mod h1:BAXBy5O9s2gmw6UxLqNJcVbWY7C/UPs+801CcSsfWOY= code.as/core/socks v1.0.0 h1:SPQXNp4SbEwjOAP9VzUahLHak8SDqy5n+9cm9tpjZOs= code.as/core/socks v1.0.0/go.mod h1:BAXBy5O9s2gmw6UxLqNJcVbWY7C/UPs+801CcSsfWOY= github.com/atotto/clipboard v0.1.1 h1:WSoEbAS70E5gw8FbiqFlp69MGsB6dUb4l+0AGGLiVGw= github.com/atotto/clipboard v0.1.1/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI= github.com/cloudfoundry/jibber_jabber v0.0.0-20151120183258-bcc4c8345a21 h1:tuijfIjZyjZaHq9xDUh0tNitwXshJpbLkqMOJv4H3do= github.com/cloudfoundry/jibber_jabber v0.0.0-20151120183258-bcc4c8345a21/go.mod h1:po7NpZ/QiTKzBKyrsEAxwnTamCoh8uDk/egRpQ7siIc= github.com/fsnotify/fsnotify v1.4.7 h1:IXs+QLmnXW2CcXuY+8Mzv/fWEsPGWxqefPtCP5CnV9I= github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo= github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM= github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e h1:JKmoR8x90Iww1ks85zJ1lfDGgIiMDuIptTOhJq+zKyg= github.com/gopherjs/gopherjs v0.0.0-20181103185306-d547d1d9531e/go.mod h1:wJfORRmW1u3UXTncJ5qlYoELFm8eSnnEO6hX4iZ3EWY= github.com/hashicorp/errwrap v1.0.0 h1:hLrqtEDnRye3+sgx6z4qVLNuviH3MR5aQ0ykNJa/UYA= github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4= github.com/hashicorp/go-multierror v1.0.0 h1:iVjPR7a6H0tWELX5NxNe7bYopibicUzc7uPribsnS6o= github.com/hashicorp/go-multierror v1.0.0/go.mod h1:dHtQlpGsu+cZNNAkkCN/P3hoUDHhCYQXV3UM06sGGrk= github.com/howeyc/gopass v0.0.0-20170109162249-bf9dde6d0d2c h1:kQWxfPIHVLbgLzphqk3QUflDy9QdksZR4ygR807bpy0= github.com/howeyc/gopass v0.0.0-20170109162249-bf9dde6d0d2c/go.mod h1:lADxMC39cJJqL93Duh1xhAs4I2Zs8mKS89XWXFGp9cs= github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI= github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU= github.com/jtolds/gls v4.2.1+incompatible h1:fSuqC+Gmlu6l/ZYAoZzx2pyucC8Xza35fpRVWLVmUEE= github.com/jtolds/gls v4.2.1+incompatible/go.mod h1:QJZ7F/aHp+rZTRtaJ1ow/lLfFfVYBRgL+9YlvaHOwJU= github.com/microcosm-cc/bluemonday v1.0.1 h1:SIYunPjnlXcW+gVfvm0IlSeR5U3WZUOLfVmqg85Go44= github.com/microcosm-cc/bluemonday v1.0.1/go.mod h1:hsXNsILzKxV+sX77C5b8FSuKF00vh2OMYv+xgHpAMF4= github.com/mitchellh/go-homedir v1.0.0 h1:vKb8ShqSby24Yrqr/yDYkuFz8d0WUjys40rvnGC8aR0= github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0= github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= github.com/onsi/ginkgo v1.8.0 h1:VkHVNpR4iVnU8XQR6DBm8BqYjN7CRzw+xKUbVVbbW9w= github.com/onsi/ginkgo v1.8.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE= github.com/onsi/gomega v1.5.0 h1:izbySO9zDPmjJ8rDjLvkA2zJHIo+HkYXHnf7eN7SSyo= github.com/onsi/gomega v1.5.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY= github.com/shurcooL/sanitized_anchor_name v0.0.0-20170918181015-86672fcb3f95 h1:/vdW8Cb7EXrkqWGufVMES1OH2sU9gKVb2n9/1y5NMBY= github.com/shurcooL/sanitized_anchor_name v0.0.0-20170918181015-86672fcb3f95/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc= github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM= github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc= github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c h1:Ho+uVpkel/udgjbwB5Lktg9BtvJSh2DT0Hi6LPSyI2w= github.com/smartystreets/goconvey v0.0.0-20181108003508-044398e4856c/go.mod h1:XDJAKZRPZ1CvBcN2aX5YOUTYGHki24fSF0Iv48Ibg0s= github.com/writeas/go-writeas/v2 v2.0.2 h1:akvdMg89U5oBJiCkBwOXljVLTqP354uN6qnG2oOMrbk= github.com/writeas/go-writeas/v2 v2.0.2/go.mod h1:9sjczQJKmru925fLzg0usrU1R1tE4vBmQtGnItUMR0M= -github.com/writeas/impart v0.0.0-20180808220913-fef51864677b h1:vsZIsYneuNwXMsnh0lKviEVc8WeIqBG4RTmGWU86HpI= -github.com/writeas/impart v0.0.0-20180808220913-fef51864677b/go.mod h1:sUkQZZHJfrVNsoD4QbkrYrRSQtCN3SaUPWKdohmFKT8= github.com/writeas/impart v1.1.0 h1:nPnoO211VscNkp/gnzir5UwCDEvdHThL5uELU60NFSE= github.com/writeas/impart v1.1.0/go.mod h1:g0MpxdnTOHHrl+Ca/2oMXUHJ0PcRAEWtkCzYCJUXC9Y= github.com/writeas/saturday v0.0.0-20170402010311-f455b05c043f h1:yyFguE0EopK8e7I7/AB1JWM925OFOI1uFhTM/SwXAnQ= github.com/writeas/saturday v0.0.0-20170402010311-f455b05c043f/go.mod h1:ETE1EK6ogxptJpAgUbcJD0prAtX48bSloie80+tvnzQ= github.com/writeas/web-core v0.0.0-20181111165528-05f387ffa1b3 h1:mKD4DMZuiZWrn1k/f+1wLmBu9SYMrydy9om+eeo9kjA= github.com/writeas/web-core v0.0.0-20181111165528-05f387ffa1b3/go.mod h1:Si3chV7VWgY8CsV+3gRolMXSO2Vx1ZFAQ/mkrpvmyEE= -golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9 h1:mKdxBk7AujPs8kU4m80U72y/zjbZ3UcXC7dClwKbUI0= -golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4= +github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20210921155107-089bfa567519 h1:7I4JAnoQBe7ZtJcBaYHi5UtiO8tQHbUSXxL+pnGRANg= +golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= +golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= -golang.org/x/net v0.0.0-20181217023233-e147a9138326 h1:iCzOf0xz39Tstp+Tu/WwyGjUXCk34QhQORRxBeXXTA4= -golang.org/x/net v0.0.0-20181217023233-e147a9138326/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= -golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f h1:wMNYb4v58l5UBM7MYRLPG6ZhfOqbKu7X5eyFl8ZhKvA= +golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= +golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= +golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c= +golang.org/x/net v0.7.0 h1:rJrUqqhjsgNp7KqAIc25s9pZnjU7TUcSY7HcVZjdn1g= +golang.org/x/net v0.7.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs= golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4 h1:uVc8UZUe6tr40fFVnUP5Oj+veunVezqYl9z7DYw9xzw= +golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= -golang.org/x/sys v0.0.0-20181213200352-4d1cda033e06 h1:0oC8rFnE+74kEmuHZ46F6KHsMr5Gx2gUQPuNz28iQZM= -golang.org/x/sys v0.0.0-20181213200352-4d1cda033e06/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= -golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg= +golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/sys v0.5.0 h1:MUK/U/4lj1t1oPg0HfuXDN/Z1wv31ZJ/YcPiGccS4DU= +golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= +golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8= +golang.org/x/term v0.5.0 h1:n2a8QNdAb0sZNpU9R1ALUXBbY+w51fCQDN+7EdxNBsY= +golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= +golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= +golang.org/x/text v0.7.0 h1:4BRB4x83lYWy72KwLD/qYDuTu7q9PjSagHvijDw7cLo= +golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= +golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4= gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys= gopkg.in/ini.v1 v1.39.3 h1:+LGDwGPQXrK1zLmDY5GMdgX7uNvs4iS+9fIRAGaDBbg= gopkg.in/ini.v1 v1.39.3/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ= gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw= gopkg.in/urfave/cli.v1 v1.20.0 h1:NdAVW6RYxDif9DhDHaAortIu956m2c0v+09AZBPTbE0= gopkg.in/urfave/cli.v1 v1.20.0/go.mod h1:vuBzUtMdQeixQj8LVd+/98pzhxNGQoyuPBlsXHOQNO0= gopkg.in/yaml.v2 v2.2.1 h1:mUhvW9EsL+naU5Q3cakzfE91YhliOondGd6ZrsDBHQE= gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= diff --git a/vendor/golang.org/x/crypto/ssh/terminal/terminal.go b/vendor/golang.org/x/crypto/ssh/terminal/terminal.go index 9a88759..a4d1919 100644 --- a/vendor/golang.org/x/crypto/ssh/terminal/terminal.go +++ b/vendor/golang.org/x/crypto/ssh/terminal/terminal.go @@ -1,951 +1,76 @@ // Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. +// Package terminal provides support functions for dealing with terminals, as +// commonly found on UNIX systems. +// +// Deprecated: this package moved to golang.org/x/term. package terminal import ( - "bytes" "io" - "sync" - "unicode/utf8" + + "golang.org/x/term" ) // EscapeCodes contains escape sequences that can be written to the terminal in // order to achieve different styles of text. -type EscapeCodes struct { - // Foreground colors - Black, Red, Green, Yellow, Blue, Magenta, Cyan, White []byte - - // Reset all attributes - Reset []byte -} - -var vt100EscapeCodes = EscapeCodes{ - Black: []byte{keyEscape, '[', '3', '0', 'm'}, - Red: []byte{keyEscape, '[', '3', '1', 'm'}, - Green: []byte{keyEscape, '[', '3', '2', 'm'}, - Yellow: []byte{keyEscape, '[', '3', '3', 'm'}, - Blue: []byte{keyEscape, '[', '3', '4', 'm'}, - Magenta: []byte{keyEscape, '[', '3', '5', 'm'}, - Cyan: []byte{keyEscape, '[', '3', '6', 'm'}, - White: []byte{keyEscape, '[', '3', '7', 'm'}, - - Reset: []byte{keyEscape, '[', '0', 'm'}, -} +type EscapeCodes = term.EscapeCodes // Terminal contains the state for running a VT100 terminal that is capable of // reading lines of input. -type Terminal struct { - // AutoCompleteCallback, if non-null, is called for each keypress with - // the full input line and the current position of the cursor (in - // bytes, as an index into |line|). If it returns ok=false, the key - // press is processed normally. Otherwise it returns a replacement line - // and the new cursor position. - AutoCompleteCallback func(line string, pos int, key rune) (newLine string, newPos int, ok bool) - - // Escape contains a pointer to the escape codes for this terminal. - // It's always a valid pointer, although the escape codes themselves - // may be empty if the terminal doesn't support them. - Escape *EscapeCodes - - // lock protects the terminal and the state in this object from - // concurrent processing of a key press and a Write() call. - lock sync.Mutex - - c io.ReadWriter - prompt []rune - - // line is the current line being entered. - line []rune - // pos is the logical position of the cursor in line - pos int - // echo is true if local echo is enabled - echo bool - // pasteActive is true iff there is a bracketed paste operation in - // progress. - pasteActive bool - - // cursorX contains the current X value of the cursor where the left - // edge is 0. cursorY contains the row number where the first row of - // the current line is 0. - cursorX, cursorY int - // maxLine is the greatest value of cursorY so far. - maxLine int - - termWidth, termHeight int - - // outBuf contains the terminal data to be sent. - outBuf []byte - // remainder contains the remainder of any partial key sequences after - // a read. It aliases into inBuf. - remainder []byte - inBuf [256]byte - - // history contains previously entered commands so that they can be - // accessed with the up and down keys. - history stRingBuffer - // historyIndex stores the currently accessed history entry, where zero - // means the immediately previous entry. - historyIndex int - // When navigating up and down the history it's possible to return to - // the incomplete, initial line. That value is stored in - // historyPending. - historyPending string -} +type Terminal = term.Terminal // NewTerminal runs a VT100 terminal on the given ReadWriter. If the ReadWriter is // a local terminal, that terminal must first have been put into raw mode. // prompt is a string that is written at the start of each input line (i.e. // "> "). func NewTerminal(c io.ReadWriter, prompt string) *Terminal { - return &Terminal{ - Escape: &vt100EscapeCodes, - c: c, - prompt: []rune(prompt), - termWidth: 80, - termHeight: 24, - echo: true, - historyIndex: -1, - } -} - -const ( - keyCtrlD = 4 - keyCtrlU = 21 - keyEnter = '\r' - keyEscape = 27 - keyBackspace = 127 - keyUnknown = 0xd800 /* UTF-16 surrogate area */ + iota - keyUp - keyDown - keyLeft - keyRight - keyAltLeft - keyAltRight - keyHome - keyEnd - keyDeleteWord - keyDeleteLine - keyClearScreen - keyPasteStart - keyPasteEnd -) - -var ( - crlf = []byte{'\r', '\n'} - pasteStart = []byte{keyEscape, '[', '2', '0', '0', '~'} - pasteEnd = []byte{keyEscape, '[', '2', '0', '1', '~'} -) - -// bytesToKey tries to parse a key sequence from b. If successful, it returns -// the key and the remainder of the input. Otherwise it returns utf8.RuneError. -func bytesToKey(b []byte, pasteActive bool) (rune, []byte) { - if len(b) == 0 { - return utf8.RuneError, nil - } - - if !pasteActive { - switch b[0] { - case 1: // ^A - return keyHome, b[1:] - case 5: // ^E - return keyEnd, b[1:] - case 8: // ^H - return keyBackspace, b[1:] - case 11: // ^K - return keyDeleteLine, b[1:] - case 12: // ^L - return keyClearScreen, b[1:] - case 23: // ^W - return keyDeleteWord, b[1:] - } - } - - if b[0] != keyEscape { - if !utf8.FullRune(b) { - return utf8.RuneError, b - } - r, l := utf8.DecodeRune(b) - return r, b[l:] - } - - if !pasteActive && len(b) >= 3 && b[0] == keyEscape && b[1] == '[' { - switch b[2] { - case 'A': - return keyUp, b[3:] - case 'B': - return keyDown, b[3:] - case 'C': - return keyRight, b[3:] - case 'D': - return keyLeft, b[3:] - case 'H': - return keyHome, b[3:] - case 'F': - return keyEnd, b[3:] - } - } - - if !pasteActive && len(b) >= 6 && b[0] == keyEscape && b[1] == '[' && b[2] == '1' && b[3] == ';' && b[4] == '3' { - switch b[5] { - case 'C': - return keyAltRight, b[6:] - case 'D': - return keyAltLeft, b[6:] - } - } - - if !pasteActive && len(b) >= 6 && bytes.Equal(b[:6], pasteStart) { - return keyPasteStart, b[6:] - } - - if pasteActive && len(b) >= 6 && bytes.Equal(b[:6], pasteEnd) { - return keyPasteEnd, b[6:] - } - - // If we get here then we have a key that we don't recognise, or a - // partial sequence. It's not clear how one should find the end of a - // sequence without knowing them all, but it seems that [a-zA-Z~] only - // appears at the end of a sequence. - for i, c := range b[0:] { - if c >= 'a' && c <= 'z' || c >= 'A' && c <= 'Z' || c == '~' { - return keyUnknown, b[i+1:] - } - } - - return utf8.RuneError, b -} - -// queue appends data to the end of t.outBuf -func (t *Terminal) queue(data []rune) { - t.outBuf = append(t.outBuf, []byte(string(data))...) -} - -var eraseUnderCursor = []rune{' ', keyEscape, '[', 'D'} -var space = []rune{' '} - -func isPrintable(key rune) bool { - isInSurrogateArea := key >= 0xd800 && key <= 0xdbff - return key >= 32 && !isInSurrogateArea -} - -// moveCursorToPos appends data to t.outBuf which will move the cursor to the -// given, logical position in the text. -func (t *Terminal) moveCursorToPos(pos int) { - if !t.echo { - return - } - - x := visualLength(t.prompt) + pos - y := x / t.termWidth - x = x % t.termWidth - - up := 0 - if y < t.cursorY { - up = t.cursorY - y - } - - down := 0 - if y > t.cursorY { - down = y - t.cursorY - } - - left := 0 - if x < t.cursorX { - left = t.cursorX - x - } - - right := 0 - if x > t.cursorX { - right = x - t.cursorX - } - - t.cursorX = x - t.cursorY = y - t.move(up, down, left, right) -} - -func (t *Terminal) move(up, down, left, right int) { - movement := make([]rune, 3*(up+down+left+right)) - m := movement - for i := 0; i < up; i++ { - m[0] = keyEscape - m[1] = '[' - m[2] = 'A' - m = m[3:] - } - for i := 0; i < down; i++ { - m[0] = keyEscape - m[1] = '[' - m[2] = 'B' - m = m[3:] - } - for i := 0; i < left; i++ { - m[0] = keyEscape - m[1] = '[' - m[2] = 'D' - m = m[3:] - } - for i := 0; i < right; i++ { - m[0] = keyEscape - m[1] = '[' - m[2] = 'C' - m = m[3:] - } - - t.queue(movement) -} - -func (t *Terminal) clearLineToRight() { - op := []rune{keyEscape, '[', 'K'} - t.queue(op) -} - -const maxLineLength = 4096 - -func (t *Terminal) setLine(newLine []rune, newPos int) { - if t.echo { - t.moveCursorToPos(0) - t.writeLine(newLine) - for i := len(newLine); i < len(t.line); i++ { - t.writeLine(space) - } - t.moveCursorToPos(newPos) - } - t.line = newLine - t.pos = newPos -} - -func (t *Terminal) advanceCursor(places int) { - t.cursorX += places - t.cursorY += t.cursorX / t.termWidth - if t.cursorY > t.maxLine { - t.maxLine = t.cursorY - } - t.cursorX = t.cursorX % t.termWidth - - if places > 0 && t.cursorX == 0 { - // Normally terminals will advance the current position - // when writing a character. But that doesn't happen - // for the last character in a line. However, when - // writing a character (except a new line) that causes - // a line wrap, the position will be advanced two - // places. - // - // So, if we are stopping at the end of a line, we - // need to write a newline so that our cursor can be - // advanced to the next line. - t.outBuf = append(t.outBuf, '\r', '\n') - } -} - -func (t *Terminal) eraseNPreviousChars(n int) { - if n == 0 { - return - } - - if t.pos < n { - n = t.pos - } - t.pos -= n - t.moveCursorToPos(t.pos) - - copy(t.line[t.pos:], t.line[n+t.pos:]) - t.line = t.line[:len(t.line)-n] - if t.echo { - t.writeLine(t.line[t.pos:]) - for i := 0; i < n; i++ { - t.queue(space) - } - t.advanceCursor(n) - t.moveCursorToPos(t.pos) - } -} - -// countToLeftWord returns then number of characters from the cursor to the -// start of the previous word. -func (t *Terminal) countToLeftWord() int { - if t.pos == 0 { - return 0 - } - - pos := t.pos - 1 - for pos > 0 { - if t.line[pos] != ' ' { - break - } - pos-- - } - for pos > 0 { - if t.line[pos] == ' ' { - pos++ - break - } - pos-- - } - - return t.pos - pos -} - -// countToRightWord returns then number of characters from the cursor to the -// start of the next word. -func (t *Terminal) countToRightWord() int { - pos := t.pos - for pos < len(t.line) { - if t.line[pos] == ' ' { - break - } - pos++ - } - for pos < len(t.line) { - if t.line[pos] != ' ' { - break - } - pos++ - } - return pos - t.pos -} - -// visualLength returns the number of visible glyphs in s. -func visualLength(runes []rune) int { - inEscapeSeq := false - length := 0 - - for _, r := range runes { - switch { - case inEscapeSeq: - if (r >= 'a' && r <= 'z') || (r >= 'A' && r <= 'Z') { - inEscapeSeq = false - } - case r == '\x1b': - inEscapeSeq = true - default: - length++ - } - } - - return length -} - -// handleKey processes the given key and, optionally, returns a line of text -// that the user has entered. -func (t *Terminal) handleKey(key rune) (line string, ok bool) { - if t.pasteActive && key != keyEnter { - t.addKeyToLine(key) - return - } - - switch key { - case keyBackspace: - if t.pos == 0 { - return - } - t.eraseNPreviousChars(1) - case keyAltLeft: - // move left by a word. - t.pos -= t.countToLeftWord() - t.moveCursorToPos(t.pos) - case keyAltRight: - // move right by a word. - t.pos += t.countToRightWord() - t.moveCursorToPos(t.pos) - case keyLeft: - if t.pos == 0 { - return - } - t.pos-- - t.moveCursorToPos(t.pos) - case keyRight: - if t.pos == len(t.line) { - return - } - t.pos++ - t.moveCursorToPos(t.pos) - case keyHome: - if t.pos == 0 { - return - } - t.pos = 0 - t.moveCursorToPos(t.pos) - case keyEnd: - if t.pos == len(t.line) { - return - } - t.pos = len(t.line) - t.moveCursorToPos(t.pos) - case keyUp: - entry, ok := t.history.NthPreviousEntry(t.historyIndex + 1) - if !ok { - return "", false - } - if t.historyIndex == -1 { - t.historyPending = string(t.line) - } - t.historyIndex++ - runes := []rune(entry) - t.setLine(runes, len(runes)) - case keyDown: - switch t.historyIndex { - case -1: - return - case 0: - runes := []rune(t.historyPending) - t.setLine(runes, len(runes)) - t.historyIndex-- - default: - entry, ok := t.history.NthPreviousEntry(t.historyIndex - 1) - if ok { - t.historyIndex-- - runes := []rune(entry) - t.setLine(runes, len(runes)) - } - } - case keyEnter: - t.moveCursorToPos(len(t.line)) - t.queue([]rune("\r\n")) - line = string(t.line) - ok = true - t.line = t.line[:0] - t.pos = 0 - t.cursorX = 0 - t.cursorY = 0 - t.maxLine = 0 - case keyDeleteWord: - // Delete zero or more spaces and then one or more characters. - t.eraseNPreviousChars(t.countToLeftWord()) - case keyDeleteLine: - // Delete everything from the current cursor position to the - // end of line. - for i := t.pos; i < len(t.line); i++ { - t.queue(space) - t.advanceCursor(1) - } - t.line = t.line[:t.pos] - t.moveCursorToPos(t.pos) - case keyCtrlD: - // Erase the character under the current position. - // The EOF case when the line is empty is handled in - // readLine(). - if t.pos < len(t.line) { - t.pos++ - t.eraseNPreviousChars(1) - } - case keyCtrlU: - t.eraseNPreviousChars(t.pos) - case keyClearScreen: - // Erases the screen and moves the cursor to the home position. - t.queue([]rune("\x1b[2J\x1b[H")) - t.queue(t.prompt) - t.cursorX, t.cursorY = 0, 0 - t.advanceCursor(visualLength(t.prompt)) - t.setLine(t.line, t.pos) - default: - if t.AutoCompleteCallback != nil { - prefix := string(t.line[:t.pos]) - suffix := string(t.line[t.pos:]) - - t.lock.Unlock() - newLine, newPos, completeOk := t.AutoCompleteCallback(prefix+suffix, len(prefix), key) - t.lock.Lock() - - if completeOk { - t.setLine([]rune(newLine), utf8.RuneCount([]byte(newLine)[:newPos])) - return - } - } - if !isPrintable(key) { - return - } - if len(t.line) == maxLineLength { - return - } - t.addKeyToLine(key) - } - return -} - -// addKeyToLine inserts the given key at the current position in the current -// line. -func (t *Terminal) addKeyToLine(key rune) { - if len(t.line) == cap(t.line) { - newLine := make([]rune, len(t.line), 2*(1+len(t.line))) - copy(newLine, t.line) - t.line = newLine - } - t.line = t.line[:len(t.line)+1] - copy(t.line[t.pos+1:], t.line[t.pos:]) - t.line[t.pos] = key - if t.echo { - t.writeLine(t.line[t.pos:]) - } - t.pos++ - t.moveCursorToPos(t.pos) -} - -func (t *Terminal) writeLine(line []rune) { - for len(line) != 0 { - remainingOnLine := t.termWidth - t.cursorX - todo := len(line) - if todo > remainingOnLine { - todo = remainingOnLine - } - t.queue(line[:todo]) - t.advanceCursor(visualLength(line[:todo])) - line = line[todo:] - } -} - -// writeWithCRLF writes buf to w but replaces all occurrences of \n with \r\n. -func writeWithCRLF(w io.Writer, buf []byte) (n int, err error) { - for len(buf) > 0 { - i := bytes.IndexByte(buf, '\n') - todo := len(buf) - if i >= 0 { - todo = i - } - - var nn int - nn, err = w.Write(buf[:todo]) - n += nn - if err != nil { - return n, err - } - buf = buf[todo:] - - if i >= 0 { - if _, err = w.Write(crlf); err != nil { - return n, err - } - n++ - buf = buf[1:] - } - } - - return n, nil -} - -func (t *Terminal) Write(buf []byte) (n int, err error) { - t.lock.Lock() - defer t.lock.Unlock() - - if t.cursorX == 0 && t.cursorY == 0 { - // This is the easy case: there's nothing on the screen that we - // have to move out of the way. - return writeWithCRLF(t.c, buf) - } - - // We have a prompt and possibly user input on the screen. We - // have to clear it first. - t.move(0 /* up */, 0 /* down */, t.cursorX /* left */, 0 /* right */) - t.cursorX = 0 - t.clearLineToRight() - - for t.cursorY > 0 { - t.move(1 /* up */, 0, 0, 0) - t.cursorY-- - t.clearLineToRight() - } - - if _, err = t.c.Write(t.outBuf); err != nil { - return - } - t.outBuf = t.outBuf[:0] - - if n, err = writeWithCRLF(t.c, buf); err != nil { - return - } - - t.writeLine(t.prompt) - if t.echo { - t.writeLine(t.line) - } - - t.moveCursorToPos(t.pos) - - if _, err = t.c.Write(t.outBuf); err != nil { - return - } - t.outBuf = t.outBuf[:0] - return -} - -// ReadPassword temporarily changes the prompt and reads a password, without -// echo, from the terminal. -func (t *Terminal) ReadPassword(prompt string) (line string, err error) { - t.lock.Lock() - defer t.lock.Unlock() - - oldPrompt := t.prompt - t.prompt = []rune(prompt) - t.echo = false - - line, err = t.readLine() - - t.prompt = oldPrompt - t.echo = true - - return -} - -// ReadLine returns a line of input from the terminal. -func (t *Terminal) ReadLine() (line string, err error) { - t.lock.Lock() - defer t.lock.Unlock() - - return t.readLine() -} - -func (t *Terminal) readLine() (line string, err error) { - // t.lock must be held at this point - - if t.cursorX == 0 && t.cursorY == 0 { - t.writeLine(t.prompt) - t.c.Write(t.outBuf) - t.outBuf = t.outBuf[:0] - } - - lineIsPasted := t.pasteActive - - for { - rest := t.remainder - lineOk := false - for !lineOk { - var key rune - key, rest = bytesToKey(rest, t.pasteActive) - if key == utf8.RuneError { - break - } - if !t.pasteActive { - if key == keyCtrlD { - if len(t.line) == 0 { - return "", io.EOF - } - } - if key == keyPasteStart { - t.pasteActive = true - if len(t.line) == 0 { - lineIsPasted = true - } - continue - } - } else if key == keyPasteEnd { - t.pasteActive = false - continue - } - if !t.pasteActive { - lineIsPasted = false - } - line, lineOk = t.handleKey(key) - } - if len(rest) > 0 { - n := copy(t.inBuf[:], rest) - t.remainder = t.inBuf[:n] - } else { - t.remainder = nil - } - t.c.Write(t.outBuf) - t.outBuf = t.outBuf[:0] - if lineOk { - if t.echo { - t.historyIndex = -1 - t.history.Add(line) - } - if lineIsPasted { - err = ErrPasteIndicator - } - return - } - - // t.remainder is a slice at the beginning of t.inBuf - // containing a partial key sequence - readBuf := t.inBuf[len(t.remainder):] - var n int - - t.lock.Unlock() - n, err = t.c.Read(readBuf) - t.lock.Lock() - - if err != nil { - return - } - - t.remainder = t.inBuf[:n+len(t.remainder)] - } -} - -// SetPrompt sets the prompt to be used when reading subsequent lines. -func (t *Terminal) SetPrompt(prompt string) { - t.lock.Lock() - defer t.lock.Unlock() - - t.prompt = []rune(prompt) -} - -func (t *Terminal) clearAndRepaintLinePlusNPrevious(numPrevLines int) { - // Move cursor to column zero at the start of the line. - t.move(t.cursorY, 0, t.cursorX, 0) - t.cursorX, t.cursorY = 0, 0 - t.clearLineToRight() - for t.cursorY < numPrevLines { - // Move down a line - t.move(0, 1, 0, 0) - t.cursorY++ - t.clearLineToRight() - } - // Move back to beginning. - t.move(t.cursorY, 0, 0, 0) - t.cursorX, t.cursorY = 0, 0 - - t.queue(t.prompt) - t.advanceCursor(visualLength(t.prompt)) - t.writeLine(t.line) - t.moveCursorToPos(t.pos) -} - -func (t *Terminal) SetSize(width, height int) error { - t.lock.Lock() - defer t.lock.Unlock() - - if width == 0 { - width = 1 - } - - oldWidth := t.termWidth - t.termWidth, t.termHeight = width, height - - switch { - case width == oldWidth: - // If the width didn't change then nothing else needs to be - // done. - return nil - case len(t.line) == 0 && t.cursorX == 0 && t.cursorY == 0: - // If there is nothing on current line and no prompt printed, - // just do nothing - return nil - case width < oldWidth: - // Some terminals (e.g. xterm) will truncate lines that were - // too long when shinking. Others, (e.g. gnome-terminal) will - // attempt to wrap them. For the former, repainting t.maxLine - // works great, but that behaviour goes badly wrong in the case - // of the latter because they have doubled every full line. - - // We assume that we are working on a terminal that wraps lines - // and adjust the cursor position based on every previous line - // wrapping and turning into two. This causes the prompt on - // xterms to move upwards, which isn't great, but it avoids a - // huge mess with gnome-terminal. - if t.cursorX >= t.termWidth { - t.cursorX = t.termWidth - 1 - } - t.cursorY *= 2 - t.clearAndRepaintLinePlusNPrevious(t.maxLine * 2) - case width > oldWidth: - // If the terminal expands then our position calculations will - // be wrong in the future because we think the cursor is - // |t.pos| chars into the string, but there will be a gap at - // the end of any wrapped line. - // - // But the position will actually be correct until we move, so - // we can move back to the beginning and repaint everything. - t.clearAndRepaintLinePlusNPrevious(t.maxLine) - } - - _, err := t.c.Write(t.outBuf) - t.outBuf = t.outBuf[:0] - return err -} - -type pasteIndicatorError struct{} - -func (pasteIndicatorError) Error() string { - return "terminal: ErrPasteIndicator not correctly handled" + return term.NewTerminal(c, prompt) } // ErrPasteIndicator may be returned from ReadLine as the error, in addition // to valid line data. It indicates that bracketed paste mode is enabled and // that the returned line consists only of pasted data. Programs may wish to // interpret pasted data more literally than typed data. -var ErrPasteIndicator = pasteIndicatorError{} +var ErrPasteIndicator = term.ErrPasteIndicator -// SetBracketedPasteMode requests that the terminal bracket paste operations -// with markers. Not all terminals support this but, if it is supported, then -// enabling this mode will stop any autocomplete callback from running due to -// pastes. Additionally, any lines that are completely pasted will be returned -// from ReadLine with the error set to ErrPasteIndicator. -func (t *Terminal) SetBracketedPasteMode(on bool) { - if on { - io.WriteString(t.c, "\x1b[?2004h") - } else { - io.WriteString(t.c, "\x1b[?2004l") - } -} +// State contains the state of a terminal. +type State = term.State -// stRingBuffer is a ring buffer of strings. -type stRingBuffer struct { - // entries contains max elements. - entries []string - max int - // head contains the index of the element most recently added to the ring. - head int - // size contains the number of elements in the ring. - size int +// IsTerminal returns whether the given file descriptor is a terminal. +func IsTerminal(fd int) bool { + return term.IsTerminal(fd) } -func (s *stRingBuffer) Add(a string) { - if s.entries == nil { - const defaultNumEntries = 100 - s.entries = make([]string, defaultNumEntries) - s.max = defaultNumEntries - } +// ReadPassword reads a line of input from a terminal without local echo. This +// is commonly used for inputting passwords and other sensitive data. The slice +// returned does not include the \n. +func ReadPassword(fd int) ([]byte, error) { + return term.ReadPassword(fd) +} - s.head = (s.head + 1) % s.max - s.entries[s.head] = a - if s.size < s.max { - s.size++ - } +// MakeRaw puts the terminal connected to the given file descriptor into raw +// mode and returns the previous state of the terminal so that it can be +// restored. +func MakeRaw(fd int) (*State, error) { + return term.MakeRaw(fd) } -// NthPreviousEntry returns the value passed to the nth previous call to Add. -// If n is zero then the immediately prior value is returned, if one, then the -// next most recent, and so on. If such an element doesn't exist then ok is -// false. -func (s *stRingBuffer) NthPreviousEntry(n int) (value string, ok bool) { - if n >= s.size { - return "", false - } - index := s.head - n - if index < 0 { - index += s.max - } - return s.entries[index], true +// Restore restores the terminal connected to the given file descriptor to a +// previous state. +func Restore(fd int, oldState *State) error { + return term.Restore(fd, oldState) } -// readPasswordLine reads from reader until it finds \n or io.EOF. -// The slice returned does not include the \n. -// readPasswordLine also ignores any \r it finds. -func readPasswordLine(reader io.Reader) ([]byte, error) { - var buf [1]byte - var ret []byte +// GetState returns the current state of a terminal which may be useful to +// restore the terminal after a signal. +func GetState(fd int) (*State, error) { + return term.GetState(fd) +} - for { - n, err := reader.Read(buf[:]) - if n > 0 { - switch buf[0] { - case '\n': - return ret, nil - case '\r': - // remove \r from passwords on Windows - default: - ret = append(ret, buf[0]) - } - continue - } - if err != nil { - if err == io.EOF && len(ret) > 0 { - return ret, nil - } - return ret, err - } - } +// GetSize returns the dimensions of the given terminal. +func GetSize(fd int) (width, height int, err error) { + return term.GetSize(fd) } diff --git a/vendor/golang.org/x/crypto/ssh/terminal/util_linux.go b/vendor/golang.org/x/crypto/ssh/terminal/util_linux.go deleted file mode 100644 index 5fadfe8..0000000 --- a/vendor/golang.org/x/crypto/ssh/terminal/util_linux.go +++ /dev/null @@ -1,10 +0,0 @@ -// Copyright 2013 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -package terminal - -import "golang.org/x/sys/unix" - -const ioctlReadTermios = unix.TCGETS -const ioctlWriteTermios = unix.TCSETS diff --git a/vendor/golang.org/x/crypto/ssh/terminal/util_plan9.go b/vendor/golang.org/x/crypto/ssh/terminal/util_plan9.go deleted file mode 100644 index 9317ac7..0000000 --- a/vendor/golang.org/x/crypto/ssh/terminal/util_plan9.go +++ /dev/null @@ -1,58 +0,0 @@ -// Copyright 2016 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// Package terminal provides support functions for dealing with terminals, as -// commonly found on UNIX systems. -// -// Putting a terminal into raw mode is the most common requirement: -// -// oldState, err := terminal.MakeRaw(0) -// if err != nil { -// panic(err) -// } -// defer terminal.Restore(0, oldState) -package terminal - -import ( - "fmt" - "runtime" -) - -type State struct{} - -// IsTerminal returns whether the given file descriptor is a terminal. -func IsTerminal(fd int) bool { - return false -} - -// MakeRaw put the terminal connected to the given file descriptor into raw -// mode and returns the previous state of the terminal so that it can be -// restored. -func MakeRaw(fd int) (*State, error) { - return nil, fmt.Errorf("terminal: MakeRaw not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -// GetState returns the current state of a terminal which may be useful to -// restore the terminal after a signal. -func GetState(fd int) (*State, error) { - return nil, fmt.Errorf("terminal: GetState not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -// Restore restores the terminal connected to the given file descriptor to a -// previous state. -func Restore(fd int, state *State) error { - return fmt.Errorf("terminal: Restore not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -// GetSize returns the dimensions of the given terminal. -func GetSize(fd int) (width, height int, err error) { - return 0, 0, fmt.Errorf("terminal: GetSize not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} - -// ReadPassword reads a line of input from a terminal without local echo. This -// is commonly used for inputting passwords and other sensitive data. The slice -// returned does not include the \n. -func ReadPassword(fd int) ([]byte, error) { - return nil, fmt.Errorf("terminal: ReadPassword not implemented on %s/%s", runtime.GOOS, runtime.GOARCH) -} diff --git a/vendor/golang.org/x/crypto/ssh/terminal/util_solaris.go b/vendor/golang.org/x/crypto/ssh/terminal/util_solaris.go deleted file mode 100644 index 3d5f06a..0000000 --- a/vendor/golang.org/x/crypto/ssh/terminal/util_solaris.go +++ /dev/null @@ -1,124 +0,0 @@ -// Copyright 2015 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build solaris - -package terminal // import "golang.org/x/crypto/ssh/terminal" - -import ( - "golang.org/x/sys/unix" - "io" - "syscall" -) - -// State contains the state of a terminal. -type State struct { - termios unix.Termios -} - -// IsTerminal returns whether the given file descriptor is a terminal. -func IsTerminal(fd int) bool { - _, err := unix.IoctlGetTermio(fd, unix.TCGETA) - return err == nil -} - -// ReadPassword reads a line of input from a terminal without local echo. This -// is commonly used for inputting passwords and other sensitive data. The slice -// returned does not include the \n. -func ReadPassword(fd int) ([]byte, error) { - // see also: http://src.illumos.org/source/xref/illumos-gate/usr/src/lib/libast/common/uwin/getpass.c - val, err := unix.IoctlGetTermios(fd, unix.TCGETS) - if err != nil { - return nil, err - } - oldState := *val - - newState := oldState - newState.Lflag &^= syscall.ECHO - newState.Lflag |= syscall.ICANON | syscall.ISIG - newState.Iflag |= syscall.ICRNL - err = unix.IoctlSetTermios(fd, unix.TCSETS, &newState) - if err != nil { - return nil, err - } - - defer unix.IoctlSetTermios(fd, unix.TCSETS, &oldState) - - var buf [16]byte - var ret []byte - for { - n, err := syscall.Read(fd, buf[:]) - if err != nil { - return nil, err - } - if n == 0 { - if len(ret) == 0 { - return nil, io.EOF - } - break - } - if buf[n-1] == '\n' { - n-- - } - ret = append(ret, buf[:n]...) - if n < len(buf) { - break - } - } - - return ret, nil -} - -// MakeRaw puts the terminal connected to the given file descriptor into raw -// mode and returns the previous state of the terminal so that it can be -// restored. -// see http://cr.illumos.org/~webrev/andy_js/1060/ -func MakeRaw(fd int) (*State, error) { - termios, err := unix.IoctlGetTermios(fd, unix.TCGETS) - if err != nil { - return nil, err - } - - oldState := State{termios: *termios} - - termios.Iflag &^= unix.IGNBRK | unix.BRKINT | unix.PARMRK | unix.ISTRIP | unix.INLCR | unix.IGNCR | unix.ICRNL | unix.IXON - termios.Oflag &^= unix.OPOST - termios.Lflag &^= unix.ECHO | unix.ECHONL | unix.ICANON | unix.ISIG | unix.IEXTEN - termios.Cflag &^= unix.CSIZE | unix.PARENB - termios.Cflag |= unix.CS8 - termios.Cc[unix.VMIN] = 1 - termios.Cc[unix.VTIME] = 0 - - if err := unix.IoctlSetTermios(fd, unix.TCSETS, termios); err != nil { - return nil, err - } - - return &oldState, nil -} - -// Restore restores the terminal connected to the given file descriptor to a -// previous state. -func Restore(fd int, oldState *State) error { - return unix.IoctlSetTermios(fd, unix.TCSETS, &oldState.termios) -} - -// GetState returns the current state of a terminal which may be useful to -// restore the terminal after a signal. -func GetState(fd int) (*State, error) { - termios, err := unix.IoctlGetTermios(fd, unix.TCGETS) - if err != nil { - return nil, err - } - - return &State{termios: *termios}, nil -} - -// GetSize returns the dimensions of the given terminal. -func GetSize(fd int) (width, height int, err error) { - ws, err := unix.IoctlGetWinsize(fd, unix.TIOCGWINSZ) - if err != nil { - return 0, 0, err - } - return int(ws.Col), int(ws.Row), nil -} diff --git a/vendor/golang.org/x/crypto/ssh/terminal/util_windows.go b/vendor/golang.org/x/crypto/ssh/terminal/util_windows.go deleted file mode 100644 index 6cb8a95..0000000 --- a/vendor/golang.org/x/crypto/ssh/terminal/util_windows.go +++ /dev/null @@ -1,103 +0,0 @@ -// Copyright 2011 The Go Authors. All rights reserved. -// Use of this source code is governed by a BSD-style -// license that can be found in the LICENSE file. - -// +build windows - -// Package terminal provides support functions for dealing with terminals, as -// commonly found on UNIX systems. -// -// Putting a terminal into raw mode is the most common requirement: -// -// oldState, err := terminal.MakeRaw(0) -// if err != nil { -// panic(err) -// } -// defer terminal.Restore(0, oldState) -package terminal - -import ( - "os" - - "golang.org/x/sys/windows" -) - -type State struct { - mode uint32 -} - -// IsTerminal returns whether the given file descriptor is a terminal. -func IsTerminal(fd int) bool { - var st uint32 - err := windows.GetConsoleMode(windows.Handle(fd), &st) - return err == nil -} - -// MakeRaw put the terminal connected to the given file descriptor into raw -// mode and returns the previous state of the terminal so that it can be -// restored. -func MakeRaw(fd int) (*State, error) { - var st uint32 - if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { - return nil, err - } - raw := st &^ (windows.ENABLE_ECHO_INPUT | windows.ENABLE_PROCESSED_INPUT | windows.ENABLE_LINE_INPUT | windows.ENABLE_PROCESSED_OUTPUT) - if err := windows.SetConsoleMode(windows.Handle(fd), raw); err != nil { - return nil, err - } - return &State{st}, nil -} - -// GetState returns the current state of a terminal which may be useful to -// restore the terminal after a signal. -func GetState(fd int) (*State, error) { - var st uint32 - if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { - return nil, err - } - return &State{st}, nil -} - -// Restore restores the terminal connected to the given file descriptor to a -// previous state. -func Restore(fd int, state *State) error { - return windows.SetConsoleMode(windows.Handle(fd), state.mode) -} - -// GetSize returns the dimensions of the given terminal. -func GetSize(fd int) (width, height int, err error) { - var info windows.ConsoleScreenBufferInfo - if err := windows.GetConsoleScreenBufferInfo(windows.Handle(fd), &info); err != nil { - return 0, 0, err - } - return int(info.Size.X), int(info.Size.Y), nil -} - -// ReadPassword reads a line of input from a terminal without local echo. This -// is commonly used for inputting passwords and other sensitive data. The slice -// returned does not include the \n. -func ReadPassword(fd int) ([]byte, error) { - var st uint32 - if err := windows.GetConsoleMode(windows.Handle(fd), &st); err != nil { - return nil, err - } - old := st - - st &^= (windows.ENABLE_ECHO_INPUT) - st |= (windows.ENABLE_PROCESSED_INPUT | windows.ENABLE_LINE_INPUT | windows.ENABLE_PROCESSED_OUTPUT) - if err := windows.SetConsoleMode(windows.Handle(fd), st); err != nil { - return nil, err - } - - defer windows.SetConsoleMode(windows.Handle(fd), old) - - var h windows.Handle - p, _ := windows.GetCurrentProcess() - if err := windows.DuplicateHandle(p, windows.Handle(fd), p, &h, 0, false, windows.DUPLICATE_SAME_ACCESS); err != nil { - return nil, err - } - - f := os.NewFile(uintptr(h), "stdin") - defer f.Close() - return readPasswordLine(f) -} diff --git a/vendor/golang.org/x/net/AUTHORS b/vendor/golang.org/x/net/AUTHORS deleted file mode 100644 index 15167cd..0000000 --- a/vendor/golang.org/x/net/AUTHORS +++ /dev/null @@ -1,3 +0,0 @@ -# This source code refers to The Go Authors for copyright purposes. -# The master list of authors is in the main Go distribution, -# visible at http://tip.golang.org/AUTHORS. diff --git a/vendor/golang.org/x/net/CONTRIBUTORS b/vendor/golang.org/x/net/CONTRIBUTORS deleted file mode 100644 index 1c4577e..0000000 --- a/vendor/golang.org/x/net/CONTRIBUTORS +++ /dev/null @@ -1,3 +0,0 @@ -# This source code was written by the Go contributors. -# The master list of contributors is in the main Go distribution, -# visible at http://tip.golang.org/CONTRIBUTORS. diff --git a/vendor/golang.org/x/net/html/const.go b/vendor/golang.org/x/net/html/const.go index a3a918f..ff7acf2 100644 --- a/vendor/golang.org/x/net/html/const.go +++ b/vendor/golang.org/x/net/html/const.go @@ -1,112 +1,111 @@ // Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package html // Section 12.2.4.2 of the HTML5 specification says "The following elements // have varying levels of special parsing rules". // https://html.spec.whatwg.org/multipage/syntax.html#the-stack-of-open-elements var isSpecialElementMap = map[string]bool{ "address": true, "applet": true, "area": true, "article": true, "aside": true, "base": true, "basefont": true, "bgsound": true, "blockquote": true, "body": true, "br": true, "button": true, "caption": true, "center": true, "col": true, "colgroup": true, "dd": true, "details": true, "dir": true, "div": true, "dl": true, "dt": true, "embed": true, "fieldset": true, "figcaption": true, "figure": true, "footer": true, "form": true, "frame": true, "frameset": true, "h1": true, "h2": true, "h3": true, "h4": true, "h5": true, "h6": true, "head": true, "header": true, "hgroup": true, "hr": true, "html": true, "iframe": true, "img": true, "input": true, - "isindex": true, // The 'isindex' element has been removed, but keep it for backwards compatibility. - "keygen": true, + "keygen": true, // "keygen" has been removed from the spec, but are kept here for backwards compatibility. "li": true, "link": true, "listing": true, "main": true, "marquee": true, "menu": true, "meta": true, "nav": true, "noembed": true, "noframes": true, "noscript": true, "object": true, "ol": true, "p": true, "param": true, "plaintext": true, "pre": true, "script": true, "section": true, "select": true, "source": true, "style": true, "summary": true, "table": true, "tbody": true, "td": true, "template": true, "textarea": true, "tfoot": true, "th": true, "thead": true, "title": true, "tr": true, "track": true, "ul": true, "wbr": true, "xmp": true, } func isSpecialElement(element *Node) bool { switch element.Namespace { case "", "html": return isSpecialElementMap[element.Data] case "math": switch element.Data { case "mi", "mo", "mn", "ms", "mtext", "annotation-xml": return true } case "svg": switch element.Data { case "foreignObject", "desc", "title": return true } } return false } diff --git a/vendor/golang.org/x/net/html/foreign.go b/vendor/golang.org/x/net/html/foreign.go index 01477a9..9da9e9d 100644 --- a/vendor/golang.org/x/net/html/foreign.go +++ b/vendor/golang.org/x/net/html/foreign.go @@ -1,226 +1,222 @@ // Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package html import ( "strings" ) func adjustAttributeNames(aa []Attribute, nameMap map[string]string) { for i := range aa { if newName, ok := nameMap[aa[i].Key]; ok { aa[i].Key = newName } } } func adjustForeignAttributes(aa []Attribute) { for i, a := range aa { if a.Key == "" || a.Key[0] != 'x' { continue } switch a.Key { case "xlink:actuate", "xlink:arcrole", "xlink:href", "xlink:role", "xlink:show", "xlink:title", "xlink:type", "xml:base", "xml:lang", "xml:space", "xmlns:xlink": j := strings.Index(a.Key, ":") aa[i].Namespace = a.Key[:j] aa[i].Key = a.Key[j+1:] } } } func htmlIntegrationPoint(n *Node) bool { if n.Type != ElementNode { return false } switch n.Namespace { case "math": if n.Data == "annotation-xml" { for _, a := range n.Attr { if a.Key == "encoding" { val := strings.ToLower(a.Val) if val == "text/html" || val == "application/xhtml+xml" { return true } } } } case "svg": switch n.Data { case "desc", "foreignObject", "title": return true } } return false } func mathMLTextIntegrationPoint(n *Node) bool { if n.Namespace != "math" { return false } switch n.Data { case "mi", "mo", "mn", "ms", "mtext": return true } return false } // Section 12.2.6.5. var breakout = map[string]bool{ "b": true, "big": true, "blockquote": true, "body": true, "br": true, "center": true, "code": true, "dd": true, "div": true, "dl": true, "dt": true, "em": true, "embed": true, "h1": true, "h2": true, "h3": true, "h4": true, "h5": true, "h6": true, "head": true, "hr": true, "i": true, "img": true, "li": true, "listing": true, "menu": true, "meta": true, "nobr": true, "ol": true, "p": true, "pre": true, "ruby": true, "s": true, "small": true, "span": true, "strong": true, "strike": true, "sub": true, "sup": true, "table": true, "tt": true, "u": true, "ul": true, "var": true, } // Section 12.2.6.5. var svgTagNameAdjustments = map[string]string{ "altglyph": "altGlyph", "altglyphdef": "altGlyphDef", "altglyphitem": "altGlyphItem", "animatecolor": "animateColor", "animatemotion": "animateMotion", "animatetransform": "animateTransform", "clippath": "clipPath", "feblend": "feBlend", "fecolormatrix": "feColorMatrix", "fecomponenttransfer": "feComponentTransfer", "fecomposite": "feComposite", "feconvolvematrix": "feConvolveMatrix", "fediffuselighting": "feDiffuseLighting", "fedisplacementmap": "feDisplacementMap", "fedistantlight": "feDistantLight", "feflood": "feFlood", "fefunca": "feFuncA", "fefuncb": "feFuncB", "fefuncg": "feFuncG", "fefuncr": "feFuncR", "fegaussianblur": "feGaussianBlur", "feimage": "feImage", "femerge": "feMerge", "femergenode": "feMergeNode", "femorphology": "feMorphology", "feoffset": "feOffset", "fepointlight": "fePointLight", "fespecularlighting": "feSpecularLighting", "fespotlight": "feSpotLight", "fetile": "feTile", "feturbulence": "feTurbulence", "foreignobject": "foreignObject", "glyphref": "glyphRef", "lineargradient": "linearGradient", "radialgradient": "radialGradient", "textpath": "textPath", } // Section 12.2.6.1 var mathMLAttributeAdjustments = map[string]string{ "definitionurl": "definitionURL", } var svgAttributeAdjustments = map[string]string{ - "attributename": "attributeName", - "attributetype": "attributeType", - "basefrequency": "baseFrequency", - "baseprofile": "baseProfile", - "calcmode": "calcMode", - "clippathunits": "clipPathUnits", - "contentscripttype": "contentScriptType", - "contentstyletype": "contentStyleType", - "diffuseconstant": "diffuseConstant", - "edgemode": "edgeMode", - "externalresourcesrequired": "externalResourcesRequired", - "filterres": "filterRes", - "filterunits": "filterUnits", - "glyphref": "glyphRef", - "gradienttransform": "gradientTransform", - "gradientunits": "gradientUnits", - "kernelmatrix": "kernelMatrix", - "kernelunitlength": "kernelUnitLength", - "keypoints": "keyPoints", - "keysplines": "keySplines", - "keytimes": "keyTimes", - "lengthadjust": "lengthAdjust", - "limitingconeangle": "limitingConeAngle", - "markerheight": "markerHeight", - "markerunits": "markerUnits", - "markerwidth": "markerWidth", - "maskcontentunits": "maskContentUnits", - "maskunits": "maskUnits", - "numoctaves": "numOctaves", - "pathlength": "pathLength", - "patterncontentunits": "patternContentUnits", - "patterntransform": "patternTransform", - "patternunits": "patternUnits", - "pointsatx": "pointsAtX", - "pointsaty": "pointsAtY", - "pointsatz": "pointsAtZ", - "preservealpha": "preserveAlpha", - "preserveaspectratio": "preserveAspectRatio", - "primitiveunits": "primitiveUnits", - "refx": "refX", - "refy": "refY", - "repeatcount": "repeatCount", - "repeatdur": "repeatDur", - "requiredextensions": "requiredExtensions", - "requiredfeatures": "requiredFeatures", - "specularconstant": "specularConstant", - "specularexponent": "specularExponent", - "spreadmethod": "spreadMethod", - "startoffset": "startOffset", - "stddeviation": "stdDeviation", - "stitchtiles": "stitchTiles", - "surfacescale": "surfaceScale", - "systemlanguage": "systemLanguage", - "tablevalues": "tableValues", - "targetx": "targetX", - "targety": "targetY", - "textlength": "textLength", - "viewbox": "viewBox", - "viewtarget": "viewTarget", - "xchannelselector": "xChannelSelector", - "ychannelselector": "yChannelSelector", - "zoomandpan": "zoomAndPan", + "attributename": "attributeName", + "attributetype": "attributeType", + "basefrequency": "baseFrequency", + "baseprofile": "baseProfile", + "calcmode": "calcMode", + "clippathunits": "clipPathUnits", + "diffuseconstant": "diffuseConstant", + "edgemode": "edgeMode", + "filterunits": "filterUnits", + "glyphref": "glyphRef", + "gradienttransform": "gradientTransform", + "gradientunits": "gradientUnits", + "kernelmatrix": "kernelMatrix", + "kernelunitlength": "kernelUnitLength", + "keypoints": "keyPoints", + "keysplines": "keySplines", + "keytimes": "keyTimes", + "lengthadjust": "lengthAdjust", + "limitingconeangle": "limitingConeAngle", + "markerheight": "markerHeight", + "markerunits": "markerUnits", + "markerwidth": "markerWidth", + "maskcontentunits": "maskContentUnits", + "maskunits": "maskUnits", + "numoctaves": "numOctaves", + "pathlength": "pathLength", + "patterncontentunits": "patternContentUnits", + "patterntransform": "patternTransform", + "patternunits": "patternUnits", + "pointsatx": "pointsAtX", + "pointsaty": "pointsAtY", + "pointsatz": "pointsAtZ", + "preservealpha": "preserveAlpha", + "preserveaspectratio": "preserveAspectRatio", + "primitiveunits": "primitiveUnits", + "refx": "refX", + "refy": "refY", + "repeatcount": "repeatCount", + "repeatdur": "repeatDur", + "requiredextensions": "requiredExtensions", + "requiredfeatures": "requiredFeatures", + "specularconstant": "specularConstant", + "specularexponent": "specularExponent", + "spreadmethod": "spreadMethod", + "startoffset": "startOffset", + "stddeviation": "stdDeviation", + "stitchtiles": "stitchTiles", + "surfacescale": "surfaceScale", + "systemlanguage": "systemLanguage", + "tablevalues": "tableValues", + "targetx": "targetX", + "targety": "targetY", + "textlength": "textLength", + "viewbox": "viewBox", + "viewtarget": "viewTarget", + "xchannelselector": "xChannelSelector", + "ychannelselector": "yChannelSelector", + "zoomandpan": "zoomAndPan", } diff --git a/vendor/golang.org/x/net/html/node.go b/vendor/golang.org/x/net/html/node.go index 2c1cade..1350eef 100644 --- a/vendor/golang.org/x/net/html/node.go +++ b/vendor/golang.org/x/net/html/node.go @@ -1,220 +1,225 @@ // Copyright 2011 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package html import ( "golang.org/x/net/html/atom" ) // A NodeType is the type of a Node. type NodeType uint32 const ( ErrorNode NodeType = iota TextNode DocumentNode ElementNode CommentNode DoctypeNode + // RawNode nodes are not returned by the parser, but can be part of the + // Node tree passed to func Render to insert raw HTML (without escaping). + // If so, this package makes no guarantee that the rendered HTML is secure + // (from e.g. Cross Site Scripting attacks) or well-formed. + RawNode scopeMarkerNode ) // Section 12.2.4.3 says "The markers are inserted when entering applet, // object, marquee, template, td, th, and caption elements, and are used // to prevent formatting from "leaking" into applet, object, marquee, // template, td, th, and caption elements". var scopeMarker = Node{Type: scopeMarkerNode} // A Node consists of a NodeType and some Data (tag name for element nodes, // content for text) and are part of a tree of Nodes. Element nodes may also // have a Namespace and contain a slice of Attributes. Data is unescaped, so // that it looks like "a 0 { return (*s)[i-1] } return nil } // index returns the index of the top-most occurrence of n in the stack, or -1 // if n is not present. func (s *nodeStack) index(n *Node) int { for i := len(*s) - 1; i >= 0; i-- { if (*s)[i] == n { return i } } return -1 } // contains returns whether a is within s. func (s *nodeStack) contains(a atom.Atom) bool { for _, n := range *s { - if n.DataAtom == a { + if n.DataAtom == a && n.Namespace == "" { return true } } return false } // insert inserts a node at the given index. func (s *nodeStack) insert(i int, n *Node) { (*s) = append(*s, nil) copy((*s)[i+1:], (*s)[i:]) (*s)[i] = n } // remove removes a node from the stack. It is a no-op if n is not present. func (s *nodeStack) remove(n *Node) { i := s.index(n) if i == -1 { return } copy((*s)[i:], (*s)[i+1:]) j := len(*s) - 1 (*s)[j] = nil *s = (*s)[:j] } type insertionModeStack []insertionMode func (s *insertionModeStack) pop() (im insertionMode) { i := len(*s) im = (*s)[i-1] *s = (*s)[:i-1] return im } func (s *insertionModeStack) top() insertionMode { if i := len(*s); i > 0 { return (*s)[i-1] } return nil } diff --git a/vendor/golang.org/x/net/html/parse.go b/vendor/golang.org/x/net/html/parse.go index 64a5793..46a89ed 100644 --- a/vendor/golang.org/x/net/html/parse.go +++ b/vendor/golang.org/x/net/html/parse.go @@ -1,2311 +1,2460 @@ // Copyright 2010 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package html import ( "errors" "fmt" "io" "strings" a "golang.org/x/net/html/atom" ) // A parser implements the HTML5 parsing algorithm: // https://html.spec.whatwg.org/multipage/syntax.html#tree-construction type parser struct { // tokenizer provides the tokens for the parser. tokenizer *Tokenizer // tok is the most recently read token. tok Token // Self-closing tags like
are treated as start tags, except that // hasSelfClosingToken is set while they are being processed. hasSelfClosingToken bool // doc is the document root element. doc *Node // The stack of open elements (section 12.2.4.2) and active formatting // elements (section 12.2.4.3). oe, afe nodeStack // Element pointers (section 12.2.4.4). head, form *Node // Other parsing state flags (section 12.2.4.5). scripting, framesetOK bool // The stack of template insertion modes templateStack insertionModeStack // im is the current insertion mode. im insertionMode // originalIM is the insertion mode to go back to after completing a text // or inTableText insertion mode. originalIM insertionMode // fosterParenting is whether new elements should be inserted according to // the foster parenting rules (section 12.2.6.1). fosterParenting bool // quirks is whether the parser is operating in "quirks mode." quirks bool // fragment is whether the parser is parsing an HTML fragment. fragment bool // context is the context element when parsing an HTML fragment // (section 12.4). context *Node } func (p *parser) top() *Node { if n := p.oe.top(); n != nil { return n } return p.doc } // Stop tags for use in popUntil. These come from section 12.2.4.2. var ( defaultScopeStopTags = map[string][]a.Atom{ "": {a.Applet, a.Caption, a.Html, a.Table, a.Td, a.Th, a.Marquee, a.Object, a.Template}, "math": {a.AnnotationXml, a.Mi, a.Mn, a.Mo, a.Ms, a.Mtext}, "svg": {a.Desc, a.ForeignObject, a.Title}, } ) type scope int const ( defaultScope scope = iota listItemScope buttonScope tableScope tableRowScope tableBodyScope selectScope ) // popUntil pops the stack of open elements at the highest element whose tag // is in matchTags, provided there is no higher element in the scope's stop // tags (as defined in section 12.2.4.2). It returns whether or not there was // such an element. If there was not, popUntil leaves the stack unchanged. // // For example, the set of stop tags for table scope is: "html", "table". If // the stack was: // ["html", "body", "font", "table", "b", "i", "u"] // then popUntil(tableScope, "font") would return false, but // popUntil(tableScope, "i") would return true and the stack would become: // ["html", "body", "font", "table", "b"] // // If an element's tag is in both the stop tags and matchTags, then the stack // will be popped and the function returns true (provided, of course, there was // no higher element in the stack that was also in the stop tags). For example, // popUntil(tableScope, "table") returns true and leaves: // ["html", "body", "font"] func (p *parser) popUntil(s scope, matchTags ...a.Atom) bool { if i := p.indexOfElementInScope(s, matchTags...); i != -1 { p.oe = p.oe[:i] return true } return false } // indexOfElementInScope returns the index in p.oe of the highest element whose // tag is in matchTags that is in scope. If no matching element is in scope, it // returns -1. func (p *parser) indexOfElementInScope(s scope, matchTags ...a.Atom) int { for i := len(p.oe) - 1; i >= 0; i-- { tagAtom := p.oe[i].DataAtom if p.oe[i].Namespace == "" { for _, t := range matchTags { if t == tagAtom { return i } } switch s { case defaultScope: // No-op. case listItemScope: if tagAtom == a.Ol || tagAtom == a.Ul { return -1 } case buttonScope: if tagAtom == a.Button { return -1 } case tableScope: if tagAtom == a.Html || tagAtom == a.Table || tagAtom == a.Template { return -1 } case selectScope: if tagAtom != a.Optgroup && tagAtom != a.Option { return -1 } default: panic("unreachable") } } switch s { case defaultScope, listItemScope, buttonScope: for _, t := range defaultScopeStopTags[p.oe[i].Namespace] { if t == tagAtom { return -1 } } } } return -1 } // elementInScope is like popUntil, except that it doesn't modify the stack of // open elements. func (p *parser) elementInScope(s scope, matchTags ...a.Atom) bool { return p.indexOfElementInScope(s, matchTags...) != -1 } // clearStackToContext pops elements off the stack of open elements until a // scope-defined element is found. func (p *parser) clearStackToContext(s scope) { for i := len(p.oe) - 1; i >= 0; i-- { tagAtom := p.oe[i].DataAtom switch s { case tableScope: if tagAtom == a.Html || tagAtom == a.Table || tagAtom == a.Template { p.oe = p.oe[:i+1] return } case tableRowScope: if tagAtom == a.Html || tagAtom == a.Tr || tagAtom == a.Template { p.oe = p.oe[:i+1] return } case tableBodyScope: if tagAtom == a.Html || tagAtom == a.Tbody || tagAtom == a.Tfoot || tagAtom == a.Thead || tagAtom == a.Template { p.oe = p.oe[:i+1] return } default: panic("unreachable") } } } +// parseGenericRawTextElement implements the generic raw text element parsing +// algorithm defined in 12.2.6.2. +// https://html.spec.whatwg.org/multipage/parsing.html#parsing-elements-that-contain-only-text +// TODO: Since both RAWTEXT and RCDATA states are treated as tokenizer's part +// officially, need to make tokenizer consider both states. +func (p *parser) parseGenericRawTextElement() { + p.addElement() + p.originalIM = p.im + p.im = textIM +} + // generateImpliedEndTags pops nodes off the stack of open elements as long as // the top node has a tag name of dd, dt, li, optgroup, option, p, rb, rp, rt or rtc. // If exceptions are specified, nodes with that name will not be popped off. func (p *parser) generateImpliedEndTags(exceptions ...string) { var i int loop: for i = len(p.oe) - 1; i >= 0; i-- { n := p.oe[i] - if n.Type == ElementNode { - switch n.DataAtom { - case a.Dd, a.Dt, a.Li, a.Optgroup, a.Option, a.P, a.Rb, a.Rp, a.Rt, a.Rtc: - for _, except := range exceptions { - if n.Data == except { - break loop - } + if n.Type != ElementNode { + break + } + switch n.DataAtom { + case a.Dd, a.Dt, a.Li, a.Optgroup, a.Option, a.P, a.Rb, a.Rp, a.Rt, a.Rtc: + for _, except := range exceptions { + if n.Data == except { + break loop } - continue } + continue } break } p.oe = p.oe[:i+1] } // addChild adds a child node n to the top element, and pushes n onto the stack // of open elements if it is an element node. func (p *parser) addChild(n *Node) { if p.shouldFosterParent() { p.fosterParent(n) } else { p.top().AppendChild(n) } if n.Type == ElementNode { p.oe = append(p.oe, n) } } // shouldFosterParent returns whether the next node to be added should be // foster parented. func (p *parser) shouldFosterParent() bool { if p.fosterParenting { switch p.top().DataAtom { case a.Table, a.Tbody, a.Tfoot, a.Thead, a.Tr: return true } } return false } // fosterParent adds a child node according to the foster parenting rules. // Section 12.2.6.1, "foster parenting". func (p *parser) fosterParent(n *Node) { var table, parent, prev, template *Node var i int for i = len(p.oe) - 1; i >= 0; i-- { if p.oe[i].DataAtom == a.Table { table = p.oe[i] break } } var j int for j = len(p.oe) - 1; j >= 0; j-- { if p.oe[j].DataAtom == a.Template { template = p.oe[j] break } } if template != nil && (table == nil || j > i) { template.AppendChild(n) return } if table == nil { // The foster parent is the html element. parent = p.oe[0] } else { parent = table.Parent } if parent == nil { parent = p.oe[i-1] } if table != nil { prev = table.PrevSibling } else { prev = parent.LastChild } if prev != nil && prev.Type == TextNode && n.Type == TextNode { prev.Data += n.Data return } parent.InsertBefore(n, table) } // addText adds text to the preceding node if it is a text node, or else it // calls addChild with a new text node. func (p *parser) addText(text string) { if text == "" { return } if p.shouldFosterParent() { p.fosterParent(&Node{ Type: TextNode, Data: text, }) return } t := p.top() if n := t.LastChild; n != nil && n.Type == TextNode { n.Data += text return } p.addChild(&Node{ Type: TextNode, Data: text, }) } // addElement adds a child element based on the current token. func (p *parser) addElement() { p.addChild(&Node{ Type: ElementNode, DataAtom: p.tok.DataAtom, Data: p.tok.Data, Attr: p.tok.Attr, }) } // Section 12.2.4.3. func (p *parser) addFormattingElement() { tagAtom, attr := p.tok.DataAtom, p.tok.Attr p.addElement() // Implement the Noah's Ark clause, but with three per family instead of two. identicalElements := 0 findIdenticalElements: for i := len(p.afe) - 1; i >= 0; i-- { n := p.afe[i] if n.Type == scopeMarkerNode { break } if n.Type != ElementNode { continue } if n.Namespace != "" { continue } if n.DataAtom != tagAtom { continue } if len(n.Attr) != len(attr) { continue } compareAttributes: for _, t0 := range n.Attr { for _, t1 := range attr { if t0.Key == t1.Key && t0.Namespace == t1.Namespace && t0.Val == t1.Val { // Found a match for this attribute, continue with the next attribute. continue compareAttributes } } // If we get here, there is no attribute that matches a. // Therefore the element is not identical to the new one. continue findIdenticalElements } identicalElements++ if identicalElements >= 3 { p.afe.remove(n) } } p.afe = append(p.afe, p.top()) } // Section 12.2.4.3. func (p *parser) clearActiveFormattingElements() { for { - n := p.afe.pop() - if len(p.afe) == 0 || n.Type == scopeMarkerNode { + if n := p.afe.pop(); len(p.afe) == 0 || n.Type == scopeMarkerNode { return } } } // Section 12.2.4.3. func (p *parser) reconstructActiveFormattingElements() { n := p.afe.top() if n == nil { return } if n.Type == scopeMarkerNode || p.oe.index(n) != -1 { return } i := len(p.afe) - 1 for n.Type != scopeMarkerNode && p.oe.index(n) == -1 { if i == 0 { i = -1 break } i-- n = p.afe[i] } for { i++ clone := p.afe[i].clone() p.addChild(clone) p.afe[i] = clone if i == len(p.afe)-1 { break } } } // Section 12.2.5. func (p *parser) acknowledgeSelfClosingTag() { p.hasSelfClosingToken = false } // An insertion mode (section 12.2.4.1) is the state transition function from // a particular state in the HTML5 parser's state machine. It updates the // parser's fields depending on parser.tok (where ErrorToken means EOF). // It returns whether the token was consumed. type insertionMode func(*parser) bool // setOriginalIM sets the insertion mode to return to after completing a text or // inTableText insertion mode. // Section 12.2.4.1, "using the rules for". func (p *parser) setOriginalIM() { if p.originalIM != nil { panic("html: bad parser state: originalIM was set twice") } p.originalIM = p.im } // Section 12.2.4.1, "reset the insertion mode". func (p *parser) resetInsertionMode() { for i := len(p.oe) - 1; i >= 0; i-- { n := p.oe[i] last := i == 0 if last && p.context != nil { n = p.context } switch n.DataAtom { case a.Select: if !last { for ancestor, first := n, p.oe[0]; ancestor != first; { - if ancestor == first { - break - } ancestor = p.oe[p.oe.index(ancestor)-1] switch ancestor.DataAtom { case a.Template: p.im = inSelectIM return case a.Table: p.im = inSelectInTableIM return } } } p.im = inSelectIM case a.Td, a.Th: // TODO: remove this divergence from the HTML5 spec. // // See https://bugs.chromium.org/p/chromium/issues/detail?id=829668 p.im = inCellIM case a.Tr: p.im = inRowIM case a.Tbody, a.Thead, a.Tfoot: p.im = inTableBodyIM case a.Caption: p.im = inCaptionIM case a.Colgroup: p.im = inColumnGroupIM case a.Table: p.im = inTableIM case a.Template: // TODO: remove this divergence from the HTML5 spec. if n.Namespace != "" { continue } p.im = p.templateStack.top() case a.Head: // TODO: remove this divergence from the HTML5 spec. // // See https://bugs.chromium.org/p/chromium/issues/detail?id=829668 p.im = inHeadIM case a.Body: p.im = inBodyIM case a.Frameset: p.im = inFramesetIM case a.Html: if p.head == nil { p.im = beforeHeadIM } else { p.im = afterHeadIM } default: if last { p.im = inBodyIM return } continue } return } } const whitespace = " \t\r\n\f" // Section 12.2.6.4.1. func initialIM(p *parser) bool { switch p.tok.Type { case TextToken: p.tok.Data = strings.TrimLeft(p.tok.Data, whitespace) if len(p.tok.Data) == 0 { // It was all whitespace, so ignore it. return true } case CommentToken: p.doc.AppendChild(&Node{ Type: CommentNode, Data: p.tok.Data, }) return true case DoctypeToken: n, quirks := parseDoctype(p.tok.Data) p.doc.AppendChild(n) p.quirks = quirks p.im = beforeHTMLIM return true } p.quirks = true p.im = beforeHTMLIM return false } // Section 12.2.6.4.2. func beforeHTMLIM(p *parser) bool { switch p.tok.Type { case DoctypeToken: // Ignore the token. return true case TextToken: p.tok.Data = strings.TrimLeft(p.tok.Data, whitespace) if len(p.tok.Data) == 0 { // It was all whitespace, so ignore it. return true } case StartTagToken: if p.tok.DataAtom == a.Html { p.addElement() p.im = beforeHeadIM return true } case EndTagToken: switch p.tok.DataAtom { case a.Head, a.Body, a.Html, a.Br: p.parseImpliedToken(StartTagToken, a.Html, a.Html.String()) return false default: // Ignore the token. return true } case CommentToken: p.doc.AppendChild(&Node{ Type: CommentNode, Data: p.tok.Data, }) return true } p.parseImpliedToken(StartTagToken, a.Html, a.Html.String()) return false } // Section 12.2.6.4.3. func beforeHeadIM(p *parser) bool { switch p.tok.Type { case TextToken: p.tok.Data = strings.TrimLeft(p.tok.Data, whitespace) if len(p.tok.Data) == 0 { // It was all whitespace, so ignore it. return true } case StartTagToken: switch p.tok.DataAtom { case a.Head: p.addElement() p.head = p.top() p.im = inHeadIM return true case a.Html: return inBodyIM(p) } case EndTagToken: switch p.tok.DataAtom { case a.Head, a.Body, a.Html, a.Br: p.parseImpliedToken(StartTagToken, a.Head, a.Head.String()) return false default: // Ignore the token. return true } case CommentToken: p.addChild(&Node{ Type: CommentNode, Data: p.tok.Data, }) return true case DoctypeToken: // Ignore the token. return true } p.parseImpliedToken(StartTagToken, a.Head, a.Head.String()) return false } // Section 12.2.6.4.4. func inHeadIM(p *parser) bool { switch p.tok.Type { case TextToken: s := strings.TrimLeft(p.tok.Data, whitespace) if len(s) < len(p.tok.Data) { // Add the initial whitespace to the current node. p.addText(p.tok.Data[:len(p.tok.Data)-len(s)]) if s == "" { return true } p.tok.Data = s } case StartTagToken: switch p.tok.DataAtom { case a.Html: return inBodyIM(p) - case a.Base, a.Basefont, a.Bgsound, a.Command, a.Link, a.Meta: + case a.Base, a.Basefont, a.Bgsound, a.Link, a.Meta: p.addElement() p.oe.pop() p.acknowledgeSelfClosingTag() return true - case a.Script, a.Title, a.Noscript, a.Noframes, a.Style: + case a.Noscript: + if p.scripting { + p.parseGenericRawTextElement() + return true + } + p.addElement() + p.im = inHeadNoscriptIM + // Don't let the tokenizer go into raw text mode when scripting is disabled. + p.tokenizer.NextIsNotRawText() + return true + case a.Script, a.Title: p.addElement() p.setOriginalIM() p.im = textIM return true + case a.Noframes, a.Style: + p.parseGenericRawTextElement() + return true case a.Head: // Ignore the token. return true case a.Template: + // TODO: remove this divergence from the HTML5 spec. + // + // We don't handle all of the corner cases when mixing foreign + // content (i.e. or ) with tag. case a.Template: return inHeadIM(p) default: // Ignore the token. return true } case CommentToken: p.addChild(&Node{ Type: CommentNode, Data: p.tok.Data, }) return true case DoctypeToken: // Ignore the token. return true } p.parseImpliedToken(StartTagToken, a.Body, a.Body.String()) p.framesetOK = true return false } // copyAttributes copies attributes of src not found on dst to dst. func copyAttributes(dst *Node, src Token) { if len(src.Attr) == 0 { return } attr := map[string]string{} for _, t := range dst.Attr { attr[t.Key] = t.Val } for _, t := range src.Attr { if _, ok := attr[t.Key]; !ok { dst.Attr = append(dst.Attr, t) attr[t.Key] = t.Val } } } // Section 12.2.6.4.7. func inBodyIM(p *parser) bool { switch p.tok.Type { case TextToken: d := p.tok.Data switch n := p.oe.top(); n.DataAtom { case a.Pre, a.Listing: if n.FirstChild == nil { // Ignore a newline at the start of a 
 block.
 				if d != "" && d[0] == '\r' {
 					d = d[1:]
 				}
 				if d != "" && d[0] == '\n' {
 					d = d[1:]
 				}
 			}
 		}
 		d = strings.Replace(d, "\x00", "", -1)
 		if d == "" {
 			return true
 		}
 		p.reconstructActiveFormattingElements()
 		p.addText(d)
 		if p.framesetOK && strings.TrimLeft(d, whitespace) != "" {
 			// There were non-whitespace characters inserted.
 			p.framesetOK = false
 		}
 	case StartTagToken:
 		switch p.tok.DataAtom {
 		case a.Html:
 			if p.oe.contains(a.Template) {
 				return true
 			}
 			copyAttributes(p.oe[0], p.tok)
-		case a.Base, a.Basefont, a.Bgsound, a.Command, a.Link, a.Meta, a.Noframes, a.Script, a.Style, a.Template, a.Title:
+		case a.Base, a.Basefont, a.Bgsound, a.Link, a.Meta, a.Noframes, a.Script, a.Style, a.Template, a.Title:
 			return inHeadIM(p)
 		case a.Body:
 			if p.oe.contains(a.Template) {
 				return true
 			}
 			if len(p.oe) >= 2 {
 				body := p.oe[1]
 				if body.Type == ElementNode && body.DataAtom == a.Body {
 					p.framesetOK = false
 					copyAttributes(body, p.tok)
 				}
 			}
 		case a.Frameset:
 			if !p.framesetOK || len(p.oe) < 2 || p.oe[1].DataAtom != a.Body {
 				// Ignore the token.
 				return true
 			}
 			body := p.oe[1]
 			if body.Parent != nil {
 				body.Parent.RemoveChild(body)
 			}
 			p.oe = p.oe[:1]
 			p.addElement()
 			p.im = inFramesetIM
 			return true
-		case a.Address, a.Article, a.Aside, a.Blockquote, a.Center, a.Details, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Menu, a.Nav, a.Ol, a.P, a.Section, a.Summary, a.Ul:
+		case a.Address, a.Article, a.Aside, a.Blockquote, a.Center, a.Details, a.Dialog, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Main, a.Menu, a.Nav, a.Ol, a.P, a.Section, a.Summary, a.Ul:
 			p.popUntil(buttonScope, a.P)
 			p.addElement()
 		case a.H1, a.H2, a.H3, a.H4, a.H5, a.H6:
 			p.popUntil(buttonScope, a.P)
 			switch n := p.top(); n.DataAtom {
 			case a.H1, a.H2, a.H3, a.H4, a.H5, a.H6:
 				p.oe.pop()
 			}
 			p.addElement()
 		case a.Pre, a.Listing:
 			p.popUntil(buttonScope, a.P)
 			p.addElement()
 			// The newline, if any, will be dealt with by the TextToken case.
 			p.framesetOK = false
 		case a.Form:
 			if p.form != nil && !p.oe.contains(a.Template) {
 				// Ignore the token
 				return true
 			}
 			p.popUntil(buttonScope, a.P)
 			p.addElement()
 			if !p.oe.contains(a.Template) {
 				p.form = p.top()
 			}
 		case a.Li:
 			p.framesetOK = false
 			for i := len(p.oe) - 1; i >= 0; i-- {
 				node := p.oe[i]
 				switch node.DataAtom {
 				case a.Li:
 					p.oe = p.oe[:i]
 				case a.Address, a.Div, a.P:
 					continue
 				default:
 					if !isSpecialElement(node) {
 						continue
 					}
 				}
 				break
 			}
 			p.popUntil(buttonScope, a.P)
 			p.addElement()
 		case a.Dd, a.Dt:
 			p.framesetOK = false
 			for i := len(p.oe) - 1; i >= 0; i-- {
 				node := p.oe[i]
 				switch node.DataAtom {
 				case a.Dd, a.Dt:
 					p.oe = p.oe[:i]
 				case a.Address, a.Div, a.P:
 					continue
 				default:
 					if !isSpecialElement(node) {
 						continue
 					}
 				}
 				break
 			}
 			p.popUntil(buttonScope, a.P)
 			p.addElement()
 		case a.Plaintext:
 			p.popUntil(buttonScope, a.P)
 			p.addElement()
 		case a.Button:
 			p.popUntil(defaultScope, a.Button)
 			p.reconstructActiveFormattingElements()
 			p.addElement()
 			p.framesetOK = false
 		case a.A:
 			for i := len(p.afe) - 1; i >= 0 && p.afe[i].Type != scopeMarkerNode; i-- {
 				if n := p.afe[i]; n.Type == ElementNode && n.DataAtom == a.A {
-					p.inBodyEndTagFormatting(a.A)
+					p.inBodyEndTagFormatting(a.A, "a")
 					p.oe.remove(n)
 					p.afe.remove(n)
 					break
 				}
 			}
 			p.reconstructActiveFormattingElements()
 			p.addFormattingElement()
 		case a.B, a.Big, a.Code, a.Em, a.Font, a.I, a.S, a.Small, a.Strike, a.Strong, a.Tt, a.U:
 			p.reconstructActiveFormattingElements()
 			p.addFormattingElement()
 		case a.Nobr:
 			p.reconstructActiveFormattingElements()
 			if p.elementInScope(defaultScope, a.Nobr) {
-				p.inBodyEndTagFormatting(a.Nobr)
+				p.inBodyEndTagFormatting(a.Nobr, "nobr")
 				p.reconstructActiveFormattingElements()
 			}
 			p.addFormattingElement()
 		case a.Applet, a.Marquee, a.Object:
 			p.reconstructActiveFormattingElements()
 			p.addElement()
 			p.afe = append(p.afe, &scopeMarker)
 			p.framesetOK = false
 		case a.Table:
 			if !p.quirks {
 				p.popUntil(buttonScope, a.P)
 			}
 			p.addElement()
 			p.framesetOK = false
 			p.im = inTableIM
 			return true
 		case a.Area, a.Br, a.Embed, a.Img, a.Input, a.Keygen, a.Wbr:
 			p.reconstructActiveFormattingElements()
 			p.addElement()
 			p.oe.pop()
 			p.acknowledgeSelfClosingTag()
 			if p.tok.DataAtom == a.Input {
 				for _, t := range p.tok.Attr {
 					if t.Key == "type" {
 						if strings.ToLower(t.Val) == "hidden" {
 							// Skip setting framesetOK = false
 							return true
 						}
 					}
 				}
 			}
 			p.framesetOK = false
 		case a.Param, a.Source, a.Track:
 			p.addElement()
 			p.oe.pop()
 			p.acknowledgeSelfClosingTag()
 		case a.Hr:
 			p.popUntil(buttonScope, a.P)
 			p.addElement()
 			p.oe.pop()
 			p.acknowledgeSelfClosingTag()
 			p.framesetOK = false
 		case a.Image:
 			p.tok.DataAtom = a.Img
 			p.tok.Data = a.Img.String()
 			return false
-		case a.Isindex:
-			if p.form != nil {
-				// Ignore the token.
-				return true
-			}
-			action := ""
-			prompt := "This is a searchable index. Enter search keywords: "
-			attr := []Attribute{{Key: "name", Val: "isindex"}}
-			for _, t := range p.tok.Attr {
-				switch t.Key {
-				case "action":
-					action = t.Val
-				case "name":
-					// Ignore the attribute.
-				case "prompt":
-					prompt = t.Val
-				default:
-					attr = append(attr, t)
-				}
-			}
-			p.acknowledgeSelfClosingTag()
-			p.popUntil(buttonScope, a.P)
-			p.parseImpliedToken(StartTagToken, a.Form, a.Form.String())
-			if p.form == nil {
-				// NOTE: The 'isindex' element has been removed,
-				// and the 'template' element has not been designed to be
-				// collaborative with the index element.
-				//
-				// Ignore the token.
-				return true
-			}
-			if action != "" {
-				p.form.Attr = []Attribute{{Key: "action", Val: action}}
-			}
-			p.parseImpliedToken(StartTagToken, a.Hr, a.Hr.String())
-			p.parseImpliedToken(StartTagToken, a.Label, a.Label.String())
-			p.addText(prompt)
-			p.addChild(&Node{
-				Type:     ElementNode,
-				DataAtom: a.Input,
-				Data:     a.Input.String(),
-				Attr:     attr,
-			})
-			p.oe.pop()
-			p.parseImpliedToken(EndTagToken, a.Label, a.Label.String())
-			p.parseImpliedToken(StartTagToken, a.Hr, a.Hr.String())
-			p.parseImpliedToken(EndTagToken, a.Form, a.Form.String())
 		case a.Textarea:
 			p.addElement()
 			p.setOriginalIM()
 			p.framesetOK = false
 			p.im = textIM
 		case a.Xmp:
 			p.popUntil(buttonScope, a.P)
 			p.reconstructActiveFormattingElements()
 			p.framesetOK = false
-			p.addElement()
-			p.setOriginalIM()
-			p.im = textIM
+			p.parseGenericRawTextElement()
 		case a.Iframe:
 			p.framesetOK = false
+			p.parseGenericRawTextElement()
+		case a.Noembed:
+			p.parseGenericRawTextElement()
+		case a.Noscript:
+			if p.scripting {
+				p.parseGenericRawTextElement()
+				return true
+			}
+			p.reconstructActiveFormattingElements()
 			p.addElement()
-			p.setOriginalIM()
-			p.im = textIM
-		case a.Noembed, a.Noscript:
-			p.addElement()
-			p.setOriginalIM()
-			p.im = textIM
+			// Don't let the tokenizer go into raw text mode when scripting is disabled.
+			p.tokenizer.NextIsNotRawText()
 		case a.Select:
 			p.reconstructActiveFormattingElements()
 			p.addElement()
 			p.framesetOK = false
 			p.im = inSelectIM
 			return true
 		case a.Optgroup, a.Option:
 			if p.top().DataAtom == a.Option {
 				p.oe.pop()
 			}
 			p.reconstructActiveFormattingElements()
 			p.addElement()
 		case a.Rb, a.Rtc:
 			if p.elementInScope(defaultScope, a.Ruby) {
 				p.generateImpliedEndTags()
 			}
 			p.addElement()
 		case a.Rp, a.Rt:
 			if p.elementInScope(defaultScope, a.Ruby) {
 				p.generateImpliedEndTags("rtc")
 			}
 			p.addElement()
 		case a.Math, a.Svg:
 			p.reconstructActiveFormattingElements()
 			if p.tok.DataAtom == a.Math {
 				adjustAttributeNames(p.tok.Attr, mathMLAttributeAdjustments)
 			} else {
 				adjustAttributeNames(p.tok.Attr, svgAttributeAdjustments)
 			}
 			adjustForeignAttributes(p.tok.Attr)
 			p.addElement()
 			p.top().Namespace = p.tok.Data
 			if p.hasSelfClosingToken {
 				p.oe.pop()
 				p.acknowledgeSelfClosingTag()
 			}
 			return true
 		case a.Caption, a.Col, a.Colgroup, a.Frame, a.Head, a.Tbody, a.Td, a.Tfoot, a.Th, a.Thead, a.Tr:
 			// Ignore the token.
 		default:
 			p.reconstructActiveFormattingElements()
 			p.addElement()
 		}
 	case EndTagToken:
 		switch p.tok.DataAtom {
 		case a.Body:
 			if p.elementInScope(defaultScope, a.Body) {
 				p.im = afterBodyIM
 			}
 		case a.Html:
 			if p.elementInScope(defaultScope, a.Body) {
 				p.parseImpliedToken(EndTagToken, a.Body, a.Body.String())
 				return false
 			}
 			return true
-		case a.Address, a.Article, a.Aside, a.Blockquote, a.Button, a.Center, a.Details, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Listing, a.Menu, a.Nav, a.Ol, a.Pre, a.Section, a.Summary, a.Ul:
+		case a.Address, a.Article, a.Aside, a.Blockquote, a.Button, a.Center, a.Details, a.Dialog, a.Dir, a.Div, a.Dl, a.Fieldset, a.Figcaption, a.Figure, a.Footer, a.Header, a.Hgroup, a.Listing, a.Main, a.Menu, a.Nav, a.Ol, a.Pre, a.Section, a.Summary, a.Ul:
 			p.popUntil(defaultScope, p.tok.DataAtom)
 		case a.Form:
 			if p.oe.contains(a.Template) {
 				i := p.indexOfElementInScope(defaultScope, a.Form)
 				if i == -1 {
 					// Ignore the token.
 					return true
 				}
 				p.generateImpliedEndTags()
 				if p.oe[i].DataAtom != a.Form {
 					// Ignore the token.
 					return true
 				}
 				p.popUntil(defaultScope, a.Form)
 			} else {
 				node := p.form
 				p.form = nil
 				i := p.indexOfElementInScope(defaultScope, a.Form)
 				if node == nil || i == -1 || p.oe[i] != node {
 					// Ignore the token.
 					return true
 				}
 				p.generateImpliedEndTags()
 				p.oe.remove(node)
 			}
 		case a.P:
 			if !p.elementInScope(buttonScope, a.P) {
 				p.parseImpliedToken(StartTagToken, a.P, a.P.String())
 			}
 			p.popUntil(buttonScope, a.P)
 		case a.Li:
 			p.popUntil(listItemScope, a.Li)
 		case a.Dd, a.Dt:
 			p.popUntil(defaultScope, p.tok.DataAtom)
 		case a.H1, a.H2, a.H3, a.H4, a.H5, a.H6:
 			p.popUntil(defaultScope, a.H1, a.H2, a.H3, a.H4, a.H5, a.H6)
 		case a.A, a.B, a.Big, a.Code, a.Em, a.Font, a.I, a.Nobr, a.S, a.Small, a.Strike, a.Strong, a.Tt, a.U:
-			p.inBodyEndTagFormatting(p.tok.DataAtom)
+			p.inBodyEndTagFormatting(p.tok.DataAtom, p.tok.Data)
 		case a.Applet, a.Marquee, a.Object:
 			if p.popUntil(defaultScope, p.tok.DataAtom) {
 				p.clearActiveFormattingElements()
 			}
 		case a.Br:
 			p.tok.Type = StartTagToken
 			return false
 		case a.Template:
 			return inHeadIM(p)
 		default:
-			p.inBodyEndTagOther(p.tok.DataAtom)
+			p.inBodyEndTagOther(p.tok.DataAtom, p.tok.Data)
 		}
 	case CommentToken:
 		p.addChild(&Node{
 			Type: CommentNode,
 			Data: p.tok.Data,
 		})
 	case ErrorToken:
 		// TODO: remove this divergence from the HTML5 spec.
 		if len(p.templateStack) > 0 {
 			p.im = inTemplateIM
 			return false
-		} else {
-			for _, e := range p.oe {
-				switch e.DataAtom {
-				case a.Dd, a.Dt, a.Li, a.Optgroup, a.Option, a.P, a.Rb, a.Rp, a.Rt, a.Rtc, a.Tbody, a.Td, a.Tfoot, a.Th,
-					a.Thead, a.Tr, a.Body, a.Html:
-				default:
-					return true
-				}
+		}
+		for _, e := range p.oe {
+			switch e.DataAtom {
+			case a.Dd, a.Dt, a.Li, a.Optgroup, a.Option, a.P, a.Rb, a.Rp, a.Rt, a.Rtc, a.Tbody, a.Td, a.Tfoot, a.Th,
+				a.Thead, a.Tr, a.Body, a.Html:
+			default:
+				return true
 			}
 		}
 	}
 
 	return true
 }
 
-func (p *parser) inBodyEndTagFormatting(tagAtom a.Atom) {
+func (p *parser) inBodyEndTagFormatting(tagAtom a.Atom, tagName string) {
 	// This is the "adoption agency" algorithm, described at
 	// https://html.spec.whatwg.org/multipage/syntax.html#adoptionAgency
 
 	// TODO: this is a fairly literal line-by-line translation of that algorithm.
 	// Once the code successfully parses the comprehensive test suite, we should
 	// refactor this code to be more idiomatic.
 
-	// Steps 1-4. The outer loop.
+	// Steps 1-2
+	if current := p.oe.top(); current.Data == tagName && p.afe.index(current) == -1 {
+		p.oe.pop()
+		return
+	}
+
+	// Steps 3-5. The outer loop.
 	for i := 0; i < 8; i++ {
-		// Step 5. Find the formatting element.
+		// Step 6. Find the formatting element.
 		var formattingElement *Node
 		for j := len(p.afe) - 1; j >= 0; j-- {
 			if p.afe[j].Type == scopeMarkerNode {
 				break
 			}
 			if p.afe[j].DataAtom == tagAtom {
 				formattingElement = p.afe[j]
 				break
 			}
 		}
 		if formattingElement == nil {
-			p.inBodyEndTagOther(tagAtom)
+			p.inBodyEndTagOther(tagAtom, tagName)
 			return
 		}
+
+		// Step 7. Ignore the tag if formatting element is not in the stack of open elements.
 		feIndex := p.oe.index(formattingElement)
 		if feIndex == -1 {
 			p.afe.remove(formattingElement)
 			return
 		}
+		// Step 8. Ignore the tag if formatting element is not in the scope.
 		if !p.elementInScope(defaultScope, tagAtom) {
 			// Ignore the tag.
 			return
 		}
 
-		// Steps 9-10. Find the furthest block.
+		// Step 9. This step is omitted because it's just a parse error but no need to return.
+
+		// Steps 10-11. Find the furthest block.
 		var furthestBlock *Node
 		for _, e := range p.oe[feIndex:] {
 			if isSpecialElement(e) {
 				furthestBlock = e
 				break
 			}
 		}
 		if furthestBlock == nil {
 			e := p.oe.pop()
 			for e != formattingElement {
 				e = p.oe.pop()
 			}
 			p.afe.remove(e)
 			return
 		}
 
-		// Steps 11-12. Find the common ancestor and bookmark node.
+		// Steps 12-13. Find the common ancestor and bookmark node.
 		commonAncestor := p.oe[feIndex-1]
 		bookmark := p.afe.index(formattingElement)
 
-		// Step 13. The inner loop. Find the lastNode to reparent.
+		// Step 14. The inner loop. Find the lastNode to reparent.
 		lastNode := furthestBlock
 		node := furthestBlock
 		x := p.oe.index(node)
-		// Steps 13.1-13.2
-		for j := 0; j < 3; j++ {
-			// Step 13.3.
+		// Step 14.1.
+		j := 0
+		for {
+			// Step 14.2.
+			j++
+			// Step. 14.3.
 			x--
 			node = p.oe[x]
-			// Step 13.4 - 13.5.
+			// Step 14.4. Go to the next step if node is formatting element.
+			if node == formattingElement {
+				break
+			}
+			// Step 14.5. Remove node from the list of active formatting elements if
+			// inner loop counter is greater than three and node is in the list of
+			// active formatting elements.
+			if ni := p.afe.index(node); j > 3 && ni > -1 {
+				p.afe.remove(node)
+				// If any element of the list of active formatting elements is removed,
+				// we need to take care whether bookmark should be decremented or not.
+				// This is because the value of bookmark may exceed the size of the
+				// list by removing elements from the list.
+				if ni <= bookmark {
+					bookmark--
+				}
+				continue
+			}
+			// Step 14.6. Continue the next inner loop if node is not in the list of
+			// active formatting elements.
 			if p.afe.index(node) == -1 {
 				p.oe.remove(node)
 				continue
 			}
-			// Step 13.6.
-			if node == formattingElement {
-				break
-			}
-			// Step 13.7.
+			// Step 14.7.
 			clone := node.clone()
 			p.afe[p.afe.index(node)] = clone
 			p.oe[p.oe.index(node)] = clone
 			node = clone
-			// Step 13.8.
+			// Step 14.8.
 			if lastNode == furthestBlock {
 				bookmark = p.afe.index(node) + 1
 			}
-			// Step 13.9.
+			// Step 14.9.
 			if lastNode.Parent != nil {
 				lastNode.Parent.RemoveChild(lastNode)
 			}
 			node.AppendChild(lastNode)
-			// Step 13.10.
+			// Step 14.10.
 			lastNode = node
 		}
 
-		// Step 14. Reparent lastNode to the common ancestor,
+		// Step 15. Reparent lastNode to the common ancestor,
 		// or for misnested table nodes, to the foster parent.
 		if lastNode.Parent != nil {
 			lastNode.Parent.RemoveChild(lastNode)
 		}
 		switch commonAncestor.DataAtom {
 		case a.Table, a.Tbody, a.Tfoot, a.Thead, a.Tr:
 			p.fosterParent(lastNode)
 		default:
 			commonAncestor.AppendChild(lastNode)
 		}
 
-		// Steps 15-17. Reparent nodes from the furthest block's children
+		// Steps 16-18. Reparent nodes from the furthest block's children
 		// to a clone of the formatting element.
 		clone := formattingElement.clone()
 		reparentChildren(clone, furthestBlock)
 		furthestBlock.AppendChild(clone)
 
-		// Step 18. Fix up the list of active formatting elements.
+		// Step 19. Fix up the list of active formatting elements.
 		if oldLoc := p.afe.index(formattingElement); oldLoc != -1 && oldLoc < bookmark {
 			// Move the bookmark with the rest of the list.
 			bookmark--
 		}
 		p.afe.remove(formattingElement)
 		p.afe.insert(bookmark, clone)
 
-		// Step 19. Fix up the stack of open elements.
+		// Step 20. Fix up the stack of open elements.
 		p.oe.remove(formattingElement)
 		p.oe.insert(p.oe.index(furthestBlock)+1, clone)
 	}
 }
 
 // inBodyEndTagOther performs the "any other end tag" algorithm for inBodyIM.
 // "Any other end tag" handling from 12.2.6.5 The rules for parsing tokens in foreign content
 // https://html.spec.whatwg.org/multipage/syntax.html#parsing-main-inforeign
-func (p *parser) inBodyEndTagOther(tagAtom a.Atom) {
+func (p *parser) inBodyEndTagOther(tagAtom a.Atom, tagName string) {
 	for i := len(p.oe) - 1; i >= 0; i-- {
-		if p.oe[i].DataAtom == tagAtom {
+		// Two element nodes have the same tag if they have the same Data (a
+		// string-typed field). As an optimization, for common HTML tags, each
+		// Data string is assigned a unique, non-zero DataAtom (a uint32-typed
+		// field), since integer comparison is faster than string comparison.
+		// Uncommon (custom) tags get a zero DataAtom.
+		//
+		// The if condition here is equivalent to (p.oe[i].Data == tagName).
+		if (p.oe[i].DataAtom == tagAtom) &&
+			((tagAtom != 0) || (p.oe[i].Data == tagName)) {
 			p.oe = p.oe[:i]
 			break
 		}
 		if isSpecialElement(p.oe[i]) {
 			break
 		}
 	}
 }
 
 // Section 12.2.6.4.8.
 func textIM(p *parser) bool {
 	switch p.tok.Type {
 	case ErrorToken:
 		p.oe.pop()
 	case TextToken:
 		d := p.tok.Data
 		if n := p.oe.top(); n.DataAtom == a.Textarea && n.FirstChild == nil {
 			// Ignore a newline at the start of a