forked from forgejo/forgejo
Show commit status icon in commits table (#1688)
* Show commit status icon in commits table * Add comments * Fix icons * Few more places where commit table is displayed * Change integration test to use goquery for parsing html * Add integration tests for commit table and status icons * Fix status to return lates status correctly on all databases * Rewrote lates commit status selects
This commit is contained in:
Lauris BH
Bo-Yi Wu
parent
c864ccf9b1
commit
79494047b0
24 changed files with 4185 additions and 87 deletions
622
vendor/github.com/andybalholm/cascadia/selector.go
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vendored
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622
vendor/github.com/andybalholm/cascadia/selector.go
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vendored
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@ -0,0 +1,622 @@
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package cascadia
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import (
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"bytes"
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"fmt"
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"regexp"
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"strings"
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"golang.org/x/net/html"
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)
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// the Selector type, and functions for creating them
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// A Selector is a function which tells whether a node matches or not.
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type Selector func(*html.Node) bool
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// hasChildMatch returns whether n has any child that matches a.
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func hasChildMatch(n *html.Node, a Selector) bool {
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for c := n.FirstChild; c != nil; c = c.NextSibling {
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if a(c) {
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return true
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}
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}
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return false
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}
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// hasDescendantMatch performs a depth-first search of n's descendants,
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// testing whether any of them match a. It returns true as soon as a match is
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// found, or false if no match is found.
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func hasDescendantMatch(n *html.Node, a Selector) bool {
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for c := n.FirstChild; c != nil; c = c.NextSibling {
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if a(c) || (c.Type == html.ElementNode && hasDescendantMatch(c, a)) {
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return true
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}
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}
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return false
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}
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// Compile parses a selector and returns, if successful, a Selector object
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// that can be used to match against html.Node objects.
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func Compile(sel string) (Selector, error) {
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p := &parser{s: sel}
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compiled, err := p.parseSelectorGroup()
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if err != nil {
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return nil, err
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}
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if p.i < len(sel) {
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return nil, fmt.Errorf("parsing %q: %d bytes left over", sel, len(sel)-p.i)
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}
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return compiled, nil
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}
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// MustCompile is like Compile, but panics instead of returning an error.
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func MustCompile(sel string) Selector {
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compiled, err := Compile(sel)
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if err != nil {
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panic(err)
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}
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return compiled
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}
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// MatchAll returns a slice of the nodes that match the selector,
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// from n and its children.
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func (s Selector) MatchAll(n *html.Node) []*html.Node {
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return s.matchAllInto(n, nil)
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}
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func (s Selector) matchAllInto(n *html.Node, storage []*html.Node) []*html.Node {
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if s(n) {
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storage = append(storage, n)
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}
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for child := n.FirstChild; child != nil; child = child.NextSibling {
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storage = s.matchAllInto(child, storage)
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}
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return storage
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}
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// Match returns true if the node matches the selector.
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func (s Selector) Match(n *html.Node) bool {
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return s(n)
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}
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// MatchFirst returns the first node that matches s, from n and its children.
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func (s Selector) MatchFirst(n *html.Node) *html.Node {
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if s.Match(n) {
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return n
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}
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for c := n.FirstChild; c != nil; c = c.NextSibling {
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m := s.MatchFirst(c)
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if m != nil {
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return m
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}
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}
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return nil
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}
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// Filter returns the nodes in nodes that match the selector.
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func (s Selector) Filter(nodes []*html.Node) (result []*html.Node) {
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for _, n := range nodes {
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if s(n) {
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result = append(result, n)
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}
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}
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return result
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}
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// typeSelector returns a Selector that matches elements with a given tag name.
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func typeSelector(tag string) Selector {
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tag = toLowerASCII(tag)
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return func(n *html.Node) bool {
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return n.Type == html.ElementNode && n.Data == tag
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}
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}
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// toLowerASCII returns s with all ASCII capital letters lowercased.
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func toLowerASCII(s string) string {
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var b []byte
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for i := 0; i < len(s); i++ {
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if c := s[i]; 'A' <= c && c <= 'Z' {
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if b == nil {
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b = make([]byte, len(s))
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copy(b, s)
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}
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b[i] = s[i] + ('a' - 'A')
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}
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}
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if b == nil {
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return s
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}
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return string(b)
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}
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// attributeSelector returns a Selector that matches elements
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// where the attribute named key satisifes the function f.
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func attributeSelector(key string, f func(string) bool) Selector {
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key = toLowerASCII(key)
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return func(n *html.Node) bool {
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if n.Type != html.ElementNode {
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return false
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}
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for _, a := range n.Attr {
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if a.Key == key && f(a.Val) {
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return true
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}
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}
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return false
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}
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}
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// attributeExistsSelector returns a Selector that matches elements that have
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// an attribute named key.
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func attributeExistsSelector(key string) Selector {
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return attributeSelector(key, func(string) bool { return true })
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}
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// attributeEqualsSelector returns a Selector that matches elements where
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// the attribute named key has the value val.
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func attributeEqualsSelector(key, val string) Selector {
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return attributeSelector(key,
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func(s string) bool {
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return s == val
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})
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}
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// attributeNotEqualSelector returns a Selector that matches elements where
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// the attribute named key does not have the value val.
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func attributeNotEqualSelector(key, val string) Selector {
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key = toLowerASCII(key)
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return func(n *html.Node) bool {
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if n.Type != html.ElementNode {
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return false
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}
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for _, a := range n.Attr {
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if a.Key == key && a.Val == val {
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return false
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}
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}
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return true
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}
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}
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// attributeIncludesSelector returns a Selector that matches elements where
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// the attribute named key is a whitespace-separated list that includes val.
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func attributeIncludesSelector(key, val string) Selector {
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return attributeSelector(key,
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func(s string) bool {
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for s != "" {
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i := strings.IndexAny(s, " \t\r\n\f")
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if i == -1 {
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return s == val
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}
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if s[:i] == val {
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return true
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}
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s = s[i+1:]
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}
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return false
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})
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}
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// attributeDashmatchSelector returns a Selector that matches elements where
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// the attribute named key equals val or starts with val plus a hyphen.
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func attributeDashmatchSelector(key, val string) Selector {
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return attributeSelector(key,
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func(s string) bool {
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if s == val {
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return true
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}
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if len(s) <= len(val) {
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return false
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}
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if s[:len(val)] == val && s[len(val)] == '-' {
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return true
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}
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return false
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})
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}
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// attributePrefixSelector returns a Selector that matches elements where
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// the attribute named key starts with val.
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func attributePrefixSelector(key, val string) Selector {
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return attributeSelector(key,
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func(s string) bool {
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if strings.TrimSpace(s) == "" {
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return false
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}
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return strings.HasPrefix(s, val)
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})
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}
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// attributeSuffixSelector returns a Selector that matches elements where
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// the attribute named key ends with val.
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func attributeSuffixSelector(key, val string) Selector {
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return attributeSelector(key,
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func(s string) bool {
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if strings.TrimSpace(s) == "" {
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return false
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}
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return strings.HasSuffix(s, val)
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})
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}
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// attributeSubstringSelector returns a Selector that matches nodes where
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// the attribute named key contains val.
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func attributeSubstringSelector(key, val string) Selector {
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return attributeSelector(key,
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func(s string) bool {
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if strings.TrimSpace(s) == "" {
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return false
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}
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return strings.Contains(s, val)
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})
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}
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// attributeRegexSelector returns a Selector that matches nodes where
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// the attribute named key matches the regular expression rx
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func attributeRegexSelector(key string, rx *regexp.Regexp) Selector {
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return attributeSelector(key,
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func(s string) bool {
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return rx.MatchString(s)
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})
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}
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// intersectionSelector returns a selector that matches nodes that match
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// both a and b.
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func intersectionSelector(a, b Selector) Selector {
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return func(n *html.Node) bool {
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return a(n) && b(n)
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}
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}
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// unionSelector returns a selector that matches elements that match
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// either a or b.
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func unionSelector(a, b Selector) Selector {
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return func(n *html.Node) bool {
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return a(n) || b(n)
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}
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}
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// negatedSelector returns a selector that matches elements that do not match a.
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func negatedSelector(a Selector) Selector {
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return func(n *html.Node) bool {
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if n.Type != html.ElementNode {
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return false
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}
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return !a(n)
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}
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}
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// writeNodeText writes the text contained in n and its descendants to b.
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func writeNodeText(n *html.Node, b *bytes.Buffer) {
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switch n.Type {
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case html.TextNode:
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b.WriteString(n.Data)
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case html.ElementNode:
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for c := n.FirstChild; c != nil; c = c.NextSibling {
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writeNodeText(c, b)
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}
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}
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}
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// nodeText returns the text contained in n and its descendants.
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func nodeText(n *html.Node) string {
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var b bytes.Buffer
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writeNodeText(n, &b)
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return b.String()
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}
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// nodeOwnText returns the contents of the text nodes that are direct
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// children of n.
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func nodeOwnText(n *html.Node) string {
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var b bytes.Buffer
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for c := n.FirstChild; c != nil; c = c.NextSibling {
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if c.Type == html.TextNode {
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b.WriteString(c.Data)
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}
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}
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return b.String()
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}
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// textSubstrSelector returns a selector that matches nodes that
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// contain the given text.
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func textSubstrSelector(val string) Selector {
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return func(n *html.Node) bool {
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text := strings.ToLower(nodeText(n))
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return strings.Contains(text, val)
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}
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}
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// ownTextSubstrSelector returns a selector that matches nodes that
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// directly contain the given text
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func ownTextSubstrSelector(val string) Selector {
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return func(n *html.Node) bool {
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text := strings.ToLower(nodeOwnText(n))
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return strings.Contains(text, val)
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}
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}
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// textRegexSelector returns a selector that matches nodes whose text matches
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// the specified regular expression
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func textRegexSelector(rx *regexp.Regexp) Selector {
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return func(n *html.Node) bool {
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return rx.MatchString(nodeText(n))
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}
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}
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// ownTextRegexSelector returns a selector that matches nodes whose text
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// directly matches the specified regular expression
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func ownTextRegexSelector(rx *regexp.Regexp) Selector {
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return func(n *html.Node) bool {
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return rx.MatchString(nodeOwnText(n))
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}
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}
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// hasChildSelector returns a selector that matches elements
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// with a child that matches a.
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func hasChildSelector(a Selector) Selector {
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return func(n *html.Node) bool {
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if n.Type != html.ElementNode {
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return false
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}
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return hasChildMatch(n, a)
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}
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}
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// hasDescendantSelector returns a selector that matches elements
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// with any descendant that matches a.
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func hasDescendantSelector(a Selector) Selector {
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return func(n *html.Node) bool {
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if n.Type != html.ElementNode {
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return false
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}
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return hasDescendantMatch(n, a)
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}
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}
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// nthChildSelector returns a selector that implements :nth-child(an+b).
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// If last is true, implements :nth-last-child instead.
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// If ofType is true, implements :nth-of-type instead.
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func nthChildSelector(a, b int, last, ofType bool) Selector {
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return func(n *html.Node) bool {
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if n.Type != html.ElementNode {
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return false
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}
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parent := n.Parent
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if parent == nil {
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return false
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}
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if parent.Type == html.DocumentNode {
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return false
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}
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i := -1
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count := 0
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for c := parent.FirstChild; c != nil; c = c.NextSibling {
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if (c.Type != html.ElementNode) || (ofType && c.Data != n.Data) {
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continue
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}
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count++
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if c == n {
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i = count
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if !last {
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break
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}
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}
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}
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if i == -1 {
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// This shouldn't happen, since n should always be one of its parent's children.
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return false
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}
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if last {
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i = count - i + 1
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}
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i -= b
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if a == 0 {
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return i == 0
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}
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return i%a == 0 && i/a >= 0
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}
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}
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// simpleNthChildSelector returns a selector that implements :nth-child(b).
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// If ofType is true, implements :nth-of-type instead.
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func simpleNthChildSelector(b int, ofType bool) Selector {
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return func(n *html.Node) bool {
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if n.Type != html.ElementNode {
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return false
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}
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parent := n.Parent
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if parent == nil {
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return false
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}
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|
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if parent.Type == html.DocumentNode {
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return false
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}
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count := 0
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for c := parent.FirstChild; c != nil; c = c.NextSibling {
|
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if c.Type != html.ElementNode || (ofType && c.Data != n.Data) {
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continue
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}
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count++
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if c == n {
|
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return count == b
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}
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if count >= b {
|
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return false
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}
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}
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return false
|
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}
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}
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// simpleNthLastChildSelector returns a selector that implements
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// :nth-last-child(b). If ofType is true, implements :nth-last-of-type
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// instead.
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func simpleNthLastChildSelector(b int, ofType bool) Selector {
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return func(n *html.Node) bool {
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if n.Type != html.ElementNode {
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return false
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}
|
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parent := n.Parent
|
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if parent == nil {
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return false
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}
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|
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if parent.Type == html.DocumentNode {
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return false
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}
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count := 0
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for c := parent.LastChild; c != nil; c = c.PrevSibling {
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if c.Type != html.ElementNode || (ofType && c.Data != n.Data) {
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continue
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}
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count++
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if c == n {
|
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return count == b
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}
|
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if count >= b {
|
||||
return false
|
||||
}
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}
|
||||
return false
|
||||
}
|
||||
}
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|
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// onlyChildSelector returns a selector that implements :only-child.
|
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// If ofType is true, it implements :only-of-type instead.
|
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func onlyChildSelector(ofType bool) Selector {
|
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return func(n *html.Node) bool {
|
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if n.Type != html.ElementNode {
|
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return false
|
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}
|
||||
|
||||
parent := n.Parent
|
||||
if parent == nil {
|
||||
return false
|
||||
}
|
||||
|
||||
if parent.Type == html.DocumentNode {
|
||||
return false
|
||||
}
|
||||
|
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count := 0
|
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for c := parent.FirstChild; c != nil; c = c.NextSibling {
|
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if (c.Type != html.ElementNode) || (ofType && c.Data != n.Data) {
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continue
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}
|
||||
count++
|
||||
if count > 1 {
|
||||
return false
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||||
}
|
||||
}
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||||
|
||||
return count == 1
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||||
}
|
||||
}
|
||||
|
||||
// inputSelector is a Selector that matches input, select, textarea and button elements.
|
||||
func inputSelector(n *html.Node) bool {
|
||||
return n.Type == html.ElementNode && (n.Data == "input" || n.Data == "select" || n.Data == "textarea" || n.Data == "button")
|
||||
}
|
||||
|
||||
// emptyElementSelector is a Selector that matches empty elements.
|
||||
func emptyElementSelector(n *html.Node) bool {
|
||||
if n.Type != html.ElementNode {
|
||||
return false
|
||||
}
|
||||
|
||||
for c := n.FirstChild; c != nil; c = c.NextSibling {
|
||||
switch c.Type {
|
||||
case html.ElementNode, html.TextNode:
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
return true
|
||||
}
|
||||
|
||||
// descendantSelector returns a Selector that matches an element if
|
||||
// it matches d and has an ancestor that matches a.
|
||||
func descendantSelector(a, d Selector) Selector {
|
||||
return func(n *html.Node) bool {
|
||||
if !d(n) {
|
||||
return false
|
||||
}
|
||||
|
||||
for p := n.Parent; p != nil; p = p.Parent {
|
||||
if a(p) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
// childSelector returns a Selector that matches an element if
|
||||
// it matches d and its parent matches a.
|
||||
func childSelector(a, d Selector) Selector {
|
||||
return func(n *html.Node) bool {
|
||||
return d(n) && n.Parent != nil && a(n.Parent)
|
||||
}
|
||||
}
|
||||
|
||||
// siblingSelector returns a Selector that matches an element
|
||||
// if it matches s2 and in is preceded by an element that matches s1.
|
||||
// If adjacent is true, the sibling must be immediately before the element.
|
||||
func siblingSelector(s1, s2 Selector, adjacent bool) Selector {
|
||||
return func(n *html.Node) bool {
|
||||
if !s2(n) {
|
||||
return false
|
||||
}
|
||||
|
||||
if adjacent {
|
||||
for n = n.PrevSibling; n != nil; n = n.PrevSibling {
|
||||
if n.Type == html.TextNode || n.Type == html.CommentNode {
|
||||
continue
|
||||
}
|
||||
return s1(n)
|
||||
}
|
||||
return false
|
||||
}
|
||||
|
||||
// Walk backwards looking for element that matches s1
|
||||
for c := n.PrevSibling; c != nil; c = c.PrevSibling {
|
||||
if s1(c) {
|
||||
return true
|
||||
}
|
||||
}
|
||||
|
||||
return false
|
||||
}
|
||||
}
|
||||
|
||||
// rootSelector implements :root
|
||||
func rootSelector(n *html.Node) bool {
|
||||
if n.Type != html.ElementNode {
|
||||
return false
|
||||
}
|
||||
if n.Parent == nil {
|
||||
return false
|
||||
}
|
||||
return n.Parent.Type == html.DocumentNode
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue