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author | Daniel J Walsh <dwalsh@redhat.com> | 2019-01-04 10:15:38 -0500 |
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committer | Daniel J Walsh <dwalsh@redhat.com> | 2019-01-04 14:54:59 -0500 |
commit | 43686072d3ff559abb0aea865509ae85f8a301de (patch) | |
tree | 54946ccc3cbe4cf01355253f3d8b91194fba4a1b /vendor/golang.org/x/net/html/node.go | |
parent | 9ffd4806163e410d51d0f0cbece45b7405ff9fee (diff) | |
download | podman-43686072d3ff559abb0aea865509ae85f8a301de.tar.gz podman-43686072d3ff559abb0aea865509ae85f8a301de.tar.bz2 podman-43686072d3ff559abb0aea865509ae85f8a301de.zip |
Update vendor of runc
Updating the vendor or runc to pull in some fixes that we need.
In order to get this vendor to work, we needed to update the vendor
of docker/docker, which causes all sorts of issues, just to fix
the docker/pkg/sysinfo. Rather then doing this, I pulled in pkg/sysinfo
into libpod and fixed the code locally.
I then switched the use of docker/pkg/sysinfo to libpod/pkg/sysinfo.
I also switched out the docker/pkg/mount to containers/storage/pkg/mount
Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
Diffstat (limited to 'vendor/golang.org/x/net/html/node.go')
-rw-r--r-- | vendor/golang.org/x/net/html/node.go | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/vendor/golang.org/x/net/html/node.go b/vendor/golang.org/x/net/html/node.go new file mode 100644 index 000000000..26b657aec --- /dev/null +++ b/vendor/golang.org/x/net/html/node.go @@ -0,0 +1,193 @@ +// 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 + scopeMarkerNode +) + +// Section 12.2.3.3 says "scope markers are inserted when entering applet +// elements, buttons, object elements, marquees, table cells, and table +// captions, and are used to prevent formatting from 'leaking'". +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<b" rather than "a<b". For element nodes, DataAtom +// is the atom for Data, or zero if Data is not a known tag name. +// +// An empty Namespace implies a "http://www.w3.org/1999/xhtml" namespace. +// Similarly, "math" is short for "http://www.w3.org/1998/Math/MathML", and +// "svg" is short for "http://www.w3.org/2000/svg". +type Node struct { + Parent, FirstChild, LastChild, PrevSibling, NextSibling *Node + + Type NodeType + DataAtom atom.Atom + Data string + Namespace string + Attr []Attribute +} + +// InsertBefore inserts newChild as a child of n, immediately before oldChild +// in the sequence of n's children. oldChild may be nil, in which case newChild +// is appended to the end of n's children. +// +// It will panic if newChild already has a parent or siblings. +func (n *Node) InsertBefore(newChild, oldChild *Node) { + if newChild.Parent != nil || newChild.PrevSibling != nil || newChild.NextSibling != nil { + panic("html: InsertBefore called for an attached child Node") + } + var prev, next *Node + if oldChild != nil { + prev, next = oldChild.PrevSibling, oldChild + } else { + prev = n.LastChild + } + if prev != nil { + prev.NextSibling = newChild + } else { + n.FirstChild = newChild + } + if next != nil { + next.PrevSibling = newChild + } else { + n.LastChild = newChild + } + newChild.Parent = n + newChild.PrevSibling = prev + newChild.NextSibling = next +} + +// AppendChild adds a node c as a child of n. +// +// It will panic if c already has a parent or siblings. +func (n *Node) AppendChild(c *Node) { + if c.Parent != nil || c.PrevSibling != nil || c.NextSibling != nil { + panic("html: AppendChild called for an attached child Node") + } + last := n.LastChild + if last != nil { + last.NextSibling = c + } else { + n.FirstChild = c + } + n.LastChild = c + c.Parent = n + c.PrevSibling = last +} + +// RemoveChild removes a node c that is a child of n. Afterwards, c will have +// no parent and no siblings. +// +// It will panic if c's parent is not n. +func (n *Node) RemoveChild(c *Node) { + if c.Parent != n { + panic("html: RemoveChild called for a non-child Node") + } + if n.FirstChild == c { + n.FirstChild = c.NextSibling + } + if c.NextSibling != nil { + c.NextSibling.PrevSibling = c.PrevSibling + } + if n.LastChild == c { + n.LastChild = c.PrevSibling + } + if c.PrevSibling != nil { + c.PrevSibling.NextSibling = c.NextSibling + } + c.Parent = nil + c.PrevSibling = nil + c.NextSibling = nil +} + +// reparentChildren reparents all of src's child nodes to dst. +func reparentChildren(dst, src *Node) { + for { + child := src.FirstChild + if child == nil { + break + } + src.RemoveChild(child) + dst.AppendChild(child) + } +} + +// clone returns a new node with the same type, data and attributes. +// The clone has no parent, no siblings and no children. +func (n *Node) clone() *Node { + m := &Node{ + Type: n.Type, + DataAtom: n.DataAtom, + Data: n.Data, + Attr: make([]Attribute, len(n.Attr)), + } + copy(m.Attr, n.Attr) + return m +} + +// nodeStack is a stack of nodes. +type nodeStack []*Node + +// pop pops the stack. It will panic if s is empty. +func (s *nodeStack) pop() *Node { + i := len(*s) + n := (*s)[i-1] + *s = (*s)[:i-1] + return n +} + +// top returns the most recently pushed node, or nil if s is empty. +func (s *nodeStack) top() *Node { + if i := len(*s); i > 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 +} + +// 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] +} |