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🎨 公式导出时展开宏定义 Fix https://github.com/siyuan-note/siyuan/issues/5831

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Liang Ding 2022-09-07 00:12:31 +08:00
parent 74b400a01a
commit ffa53aa4f1
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GPG key ID: 136F30F901A2231D
2 changed files with 950 additions and 69 deletions
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71
kernel/model/export.go
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@ -1010,82 +1010,15 @@ func processKaTexMacros(n *ast.Node) {
mathContent = escapeKaTexSupportedFunctions(mathContent)
usedMacros := extractUsedMacros(mathContent, &keys)
newcommandBuf := bytes.Buffer{}
for _, usedMacro := range usedMacros {
expanded := resolveKaTexMacro(usedMacro, &macros, &keys)
expanded = unescapeKaTexSupportedFunctions(expanded)
newcommandBuf.WriteString("\\newcommand" + usedMacro + "{" + expanded + "}\n")
mathContent = strings.ReplaceAll(mathContent, usedMacro, expanded)
}
newcommandBuf.WriteString("\n")
mathContent = newcommandBuf.String() + mathContent
mathContent = unescapeKaTexSupportedFunctions(mathContent)
n.Tokens = []byte(mathContent)
}
func extractUsedMacros(mathContent string, macrosKeys *[]string) (ret []string) {
Next:
for {
for _, k := range *macrosKeys {
if idx := strings.Index(mathContent, k); -1 < idx {
mathContent = strings.Replace(mathContent, k, "__@"+k[1:]+"@__", 1)
ret = append(ret, k)
goto Next
}
}
break
}
return
}
var katexSupportedFunctions = []string{ // https://katex.org/docs/supported.html
// Delimiters
"\\downarrow",
}
func init() {
sort.Slice(katexSupportedFunctions, func(i, j int) bool { return len(katexSupportedFunctions[i]) > len(katexSupportedFunctions[j]) })
}
func resolveKaTexMacro(macroName string, macros *map[string]string, keys *[]string) string {
v := (*macros)[macroName]
sort.Slice(*keys, func(i, j int) bool { return len((*keys)[i]) > len((*keys)[j]) })
for _, k := range *keys {
escaped := escapeKaTexSupportedFunctions(v)
if strings.Contains(escaped, k) {
escaped = strings.ReplaceAll(escaped, k, resolveKaTexMacro(k, macros, keys))
v = unescapeKaTexSupportedFunctions(escaped)
(*macros)[macroName] = v
}
}
return v
}
func escapeKaTexSupportedFunctions(macroVal string) string {
Next:
for {
for _, f := range katexSupportedFunctions {
if idx := strings.Index(macroVal, f); -1 < idx {
macroVal = strings.Replace(macroVal, f, "__@"+f[1:]+"@__", 1)
goto Next
}
}
break
}
return macroVal
}
func unescapeKaTexSupportedFunctions(macroVal string) string {
if !strings.Contains(macroVal, "__@") {
return macroVal
}
for _, f := range katexSupportedFunctions {
macroVal = strings.ReplaceAll(macroVal, "__@"+f[1:]+"@__", f)
}
return macroVal
}
func renderExportMdParagraph(r *render.FormatRenderer, node *ast.Node, entering bool) ast.WalkStatus {
if entering {
if r.Options.ChineseParagraphBeginningSpace && ast.NodeDocument == node.Parent.Type {