diff options
| author | Taras Madan <tarasmadan@google.com> | 2025-01-22 16:07:17 +0100 |
|---|---|---|
| committer | Taras Madan <tarasmadan@google.com> | 2025-01-23 10:42:36 +0000 |
| commit | 7b4377ad9d8a7205416df8d6217ef2b010f89481 (patch) | |
| tree | e6fec4fd12ff807a16d847923f501075bf71d16c /vendor/github.com/google/safehtml/template/context.go | |
| parent | 475a4c203afb8b7d3af51c4fd32bb170ff32a45e (diff) | |
vendor: delete
Diffstat (limited to 'vendor/github.com/google/safehtml/template/context.go')
| -rw-r--r-- | vendor/github.com/google/safehtml/template/context.go | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/vendor/github.com/google/safehtml/template/context.go b/vendor/github.com/google/safehtml/template/context.go deleted file mode 100644 index dd7886dc6..000000000 --- a/vendor/github.com/google/safehtml/template/context.go +++ /dev/null @@ -1,183 +0,0 @@ -// Copyright 2017 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 template - -import ( - "strings" -) - -// context describes the state an HTML parser must be in when it reaches the -// portion of HTML produced by evaluating a particular template node. -// -// The zero value of type Context is the start context for a template that -// produces an HTML fragment as defined at -// http://www.w3.org/TR/html5/syntax.html#the-end -// where the context element is null. -type context struct { - state state - delim delim - element element - attr attr - err *Error - // scriptType is the lowercase value of the "type" attribute inside the current "script" - // element (see https://dev.w3.org/html5/spec-preview/the-script-element.html#attr-script-type). - // This field will be empty if the parser is currently not in a script element, - // the type attribute has not already been parsed in the current element, or if the - // value of the type attribute cannot be determined at parse time. - scriptType string - // linkRel is the value of the "rel" attribute inside the current "link" - // element (see https://html.spec.whatwg.org/multipage/semantics.html#attr-link-rel). - // This value has been normalized to lowercase with exactly one space between tokens - // and exactly one space at start and end, so that a lookup of any token foo can - // be performed by searching for the substring " foo ". - // This field will be empty if the parser is currently not in a link element, - // the rel attribute has not already been parsed in the current element, or if the - // value of the rel attribute cannot be determined at parse time. - linkRel string -} - -// eq returns whether Context c is equal to Context d. -func (c context) eq(d context) bool { - return c.state == d.state && - c.delim == d.delim && - c.element.eq(d.element) && - c.attr.eq(d.attr) && - c.err == d.err && - c.scriptType == d.scriptType && - c.linkRel == d.linkRel -} - -// state describes a high-level HTML parser state. -// -// It bounds the top of the element stack, and by extension the HTML insertion -// mode, but also contains state that does not correspond to anything in the -// HTML5 parsing algorithm because a single token production in the HTML -// grammar may contain embedded actions in a template. For instance, the quoted -// HTML attribute produced by -// <div title="Hello {{.World}}"> -// is a single token in HTML's grammar but in a template spans several nodes. -type state uint8 - -//go:generate stringer -type state - -const ( - // stateText is parsed character data. An HTML parser is in - // this state when its parse position is outside an HTML tag, - // directive, comment, and special element body. - stateText state = iota - // stateSpecialElementBody occurs inside a specal HTML element body. - stateSpecialElementBody - // stateTag occurs before an HTML attribute or the end of a tag. - stateTag - // stateAttrName occurs inside an attribute name. - // It occurs between the ^'s in ` ^name^ = value`. - stateAttrName - // stateAfterName occurs after an attr name has ended but before any - // equals sign. It occurs between the ^'s in ` name^ ^= value`. - stateAfterName - // stateBeforeValue occurs after the equals sign but before the value. - // It occurs between the ^'s in ` name =^ ^value`. - stateBeforeValue - // stateHTMLCmt occurs inside an <!-- HTML comment -->. - stateHTMLCmt - // stateAttr occurs inside an HTML attribute whose content is text. - stateAttr - // stateError is an infectious error state outside any valid - // HTML/CSS/JS construct. - stateError -) - -// isComment reports whether a state contains content meant for template -// authors & maintainers, not for end-users or machines. -func isComment(s state) bool { - switch s { - case stateHTMLCmt: - return true - } - return false -} - -// isInTag reports whether s occurs solely inside an HTML tag. -func isInTag(s state) bool { - switch s { - case stateTag, stateAttrName, stateAfterName, stateBeforeValue, stateAttr: - return true - } - return false -} - -// delim is the delimiter that will end the current HTML attribute. -type delim uint8 - -//go:generate stringer -type delim - -const ( - // delimNone occurs outside any attribute. - delimNone delim = iota - // delimDoubleQuote occurs when a double quote (") closes the attribute. - delimDoubleQuote - // delimSingleQuote occurs when a single quote (') closes the attribute. - delimSingleQuote - // delimSpaceOrTagEnd occurs when a space or right angle bracket (>) - // closes the attribute. - delimSpaceOrTagEnd -) - -type element struct { - // name is the lowercase name of the element. If context joining has occurred, name - // will be arbitrarily assigned the element name from one of the joined contexts. - name string - // names contains all possible names the element could assume because of context joining. - // For example, after joining the contexts in the "if" and "else" branches of - // {{if .C}}<img{{else}}<audio{{end}} src="/some/path">`, - // names will contain "img" and "audio". - // names can also contain empty strings, which represent joined contexts with no element name. - // names will be empty if no context joining occurred. - names []string -} - -// eq reports whether a and b have the same name. All other fields are ignored. -func (e element) eq(d element) bool { - return e.name == d.name -} - -// String returns the string representation of the element. -func (e element) String() string { - return "element" + strings.Title(e.name) -} - -// attr represents the attribute that the parser is in, that is, -// starting from stateAttrName until stateTag/stateText (exclusive). -type attr struct { - // name is the lowercase name of the attribute. If context joining has occurred, name - // will be arbitrarily assigned the attribute name from one of the joined contexts. - name string - // value is the value of the attribute. If context joining has occurred, value - // will be arbitrarily assigned the attribute value from one of the joined contexts. - // If there are multiple actions in the attribute value, value will contain the - // concatenation of all values seen so far. For example, in - // <a name="foo{{.X}}bar{{.Y}}"> - // value is "foo" at "{{.X}}" and "foobar" at "{{.Y}}". - value string - // ambiguousValue indicates whether value contains an ambiguous value due to context-joining. - ambiguousValue bool - // names contains all possible names the attribute could assume because of context joining. - // For example, after joining the contexts in the "if" and "else" branches of - // <a {{if .C}}title{{else}}name{{end}}="foo"> - // names will contain "title" and "name". - // names can also contain empty strings, which represent joined contexts with no attribute name. - // names will be empty if no context joining occurred. - names []string -} - -// eq reports whether a and b have the same name. All other fields are ignored. -func (a attr) eq(b attr) bool { - return a.name == b.name -} - -// String returns the string representation of the attr. -func (a attr) String() string { - return "attr" + strings.Title(a.name) -} |
