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https://github.com/gohugoio/hugo.git
synced 2024-11-14 20:37:55 -05:00
parent
c6b3887696
commit
2fb40ece5d
4 changed files with 74 additions and 1 deletions
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@ -66,6 +66,11 @@ func (t *TemplateFuncsNamespace) AddMethodMapping(m any, aliases []string, examp
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name := methodToName(m)
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// Rewrite §§ to ` in example commands.
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for i, e := range examples {
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examples[i][0] = strings.ReplaceAll(e[0], "§§", "`")
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}
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// sanity check
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for _, e := range examples {
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if e[0] == "" {
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@ -78,12 +78,22 @@ func init() {
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[]string{"findRE"},
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[][2]string{
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{
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`{{ findRE "[G|g]o" "Hugo is a static side generator written in Go." "1" }}`,
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`{{ findRE "[G|g]o" "Hugo is a static side generator written in Go." 1 }}`,
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`[go]`,
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},
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},
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)
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ns.AddMethodMapping(ctx.FindRESubmatch,
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[]string{"findRESubmatch"},
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[][2]string{
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{
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`{{ findRESubmatch §§<a\s*href="(.+?)">(.+?)</a>§§ §§<li><a href="#foo">Foo</a></li> <li><a href="#bar">Bar</a></li>§§ | print | safeHTML }}`,
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"[[<a href=\"#foo\">Foo</a> #foo Foo] [<a href=\"#bar\">Bar</a> #bar Bar]]",
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},
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},
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)
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ns.AddMethodMapping(ctx.HasPrefix,
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[]string{"hasPrefix"},
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[][2]string{
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@ -45,6 +45,31 @@ func (ns *Namespace) FindRE(expr string, content any, limit ...any) ([]string, e
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return re.FindAllString(conv, lim), nil
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}
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// FindRESubmatch returns returns a slice of strings holding the text of the leftmost match of the regular expression in s and the matches, if any, of its subexpressions.
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//
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// By default all matches will be included. The number of matches can be limited with the optional limit parameter. A return value of nil indicates no match.
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func (ns *Namespace) FindRESubmatch(expr string, content any, limit ...any) ([][]string, error) {
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re, err := reCache.Get(expr)
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if err != nil {
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return nil, err
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}
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conv, err := cast.ToStringE(content)
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if err != nil {
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return nil, err
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}
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n := -1
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if len(limit) > 0 {
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n, err = cast.ToIntE(limit[0])
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if err != nil {
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return nil, err
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}
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}
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return re.FindAllStringSubmatch(conv, n), nil
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}
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// ReplaceRE returns a copy of s, replacing all matches of the regular
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// expression pattern with the replacement text repl. The number of replacements
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// can be limited with an optional fourth parameter.
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@ -50,6 +50,39 @@ func TestFindRE(t *testing.T) {
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}
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}
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func TestFindRESubmatch(t *testing.T) {
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t.Parallel()
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c := qt.New(t)
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for _, test := range []struct {
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expr string
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content any
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limit any
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expect any
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}{
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{`<a\s*href="(.+?)">(.+?)</a>`, `<li><a href="#foo">Foo</a></li><li><a href="#bar">Bar</a></li>`, -1, [][]string{
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{"<a href=\"#foo\">Foo</a>", "#foo", "Foo"},
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{"<a href=\"#bar\">Bar</a>", "#bar", "Bar"},
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}},
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// Some simple cases.
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{"([G|g]o)", "Hugo is a static site generator written in Go.", -1, [][]string{{"go", "go"}, {"Go", "Go"}}},
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{"([G|g]o)", "Hugo is a static site generator written in Go.", 1, [][]string{{"go", "go"}}},
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// errors
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{"([G|go", "Hugo is a static site generator written in Go.", nil, false},
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{"([G|g]o)", t, nil, false},
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} {
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result, err := ns.FindRESubmatch(test.expr, test.content, test.limit)
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if b, ok := test.expect.(bool); ok && !b {
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c.Assert(err, qt.Not(qt.IsNil))
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continue
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}
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c.Assert(err, qt.IsNil)
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c.Check(result, qt.DeepEquals, test.expect)
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}
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}
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func TestReplaceRE(t *testing.T) {
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t.Parallel()
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c := qt.New(t)
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