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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| // Lute - 一款结构化的 Markdown 引擎，支持 Go 和 JavaScript | ||
| // Copyright (c) 2019-present, b3log.org | ||
| // | ||
| // Lute is licensed under Mulan PSL v2. | ||
| // You can use this software according to the terms and conditions of the Mulan PSL v2. | ||
| // You may obtain a copy of Mulan PSL v2 at: | ||
| // http://license.coscl.org.cn/MulanPSL2 | ||
| // THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. | ||
| // See the Mulan PSL v2 for more details. | ||
|
|
||
| // +build !javascript | ||
|
|
||
| package parse | ||
|
|
||
| import ( | ||
| "bytes" | ||
|
|
||
| "github.com/88250/lute/ast" | ||
| "github.com/88250/lute/util" | ||
| "golang.org/x/text/cases" | ||
| ) | ||
|
|
||
| func (t *Tree) FindLinkRefDefLink(label []byte) (link *ast.Node) { | ||
| if !t.Context.ParseOption.LinkRef { | ||
| return | ||
| } | ||
|
|
||
| if t.Context.ParseOption.VditorIR || t.Context.ParseOption.VditorSV || t.Context.ParseOption.VditorWYSIWYG || t.Context.ParseOption.ProtyleWYSIWYG { | ||
| label = bytes.ReplaceAll(label, util.CaretTokens, nil) | ||
| } | ||
| ast.Walk(t.Root, func(n *ast.Node, entering bool) ast.WalkStatus { | ||
| if !entering || ast.NodeLinkRefDef != n.Type { | ||
| return ast.WalkContinue | ||
| } | ||
| if bytes.EqualFold(n.Tokens, label) { | ||
| link = n.FirstChild | ||
| return ast.WalkStop | ||
| } | ||
|
|
||
| if c := cases.Fold(); bytes.EqualFold(c.Bytes(label), n.Tokens) || bytes.EqualFold(c.Bytes(n.Tokens), label) { | ||
| link = n.FirstChild | ||
| return ast.WalkStop | ||
| } | ||
| return ast.WalkContinue | ||
| }) | ||
| return | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| // Lute - 一款结构化的 Markdown 引擎，支持 Go 和 JavaScript | ||
| // Copyright (c) 2019-present, b3log.org | ||
| // | ||
| // Lute is licensed under Mulan PSL v2. | ||
| // You can use this software according to the terms and conditions of the Mulan PSL v2. | ||
| // You may obtain a copy of Mulan PSL v2 at: | ||
| // http://license.coscl.org.cn/MulanPSL2 | ||
| // THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. | ||
| // See the Mulan PSL v2 for more details. | ||
|
|
||
| // +build javascript | ||
|
|
||
| package parse | ||
|
|
||
| import ( | ||
| "bytes" | ||
|
|
||
| "github.com/88250/lute/ast" | ||
| "github.com/88250/lute/util" | ||
| ) | ||
|
|
||
| func (t *Tree) FindLinkRefDefLink(label []byte) (link *ast.Node) { | ||
| if !t.Context.ParseOption.LinkRef { | ||
| return | ||
| } | ||
|
|
||
| if t.Context.ParseOption.VditorIR || t.Context.ParseOption.VditorSV || t.Context.ParseOption.VditorWYSIWYG || t.Context.ParseOption.ProtyleWYSIWYG { | ||
| label = bytes.ReplaceAll(label, util.CaretTokens, nil) | ||
| } | ||
| ast.Walk(t.Root, func(n *ast.Node, entering bool) ast.WalkStatus { | ||
| if !entering || ast.NodeLinkRefDef != n.Type { | ||
| return ast.WalkContinue | ||
| } | ||
| if bytes.EqualFold(n.Tokens, label) { | ||
| link = n.FirstChild | ||
| return ast.WalkStop | ||
| } | ||
| // JS 版不支持 Unicode case fold https://spec.commonmark.org/0.30/#example-539 | ||
| // 因为引入 golang.org/x/text/cases 后打包体积太大 | ||
| return ast.WalkContinue | ||
| }) | ||
| return | ||
| } |
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