✨ Support for more export formats https://github.com/siyuan-note/siyuan/issues/8127

app/src/menus/commonMenuItem.ts

@@ -635,12 +635,29 @@ export const exportMd = (id: string) => {
                 icon: "iconMore",
                 type: "submenu",
                 submenu: [{
-                    label: "Word .docx",
+                    label: "reStructuredText",
-                    icon: "iconExact",
                     click: () => {
-                        saveExport({type: "word", id});
+                        const msgId = showMessage(window.siyuan.languages.exporting, -1);
+                        fetchPost("/api/export/exportReStructuredText", {
+                            id,
+                        }, response => {
+                            hideMessage(msgId);
+                            openByMobile(response.data.zip);
+                        });
                     }
-                }]
+                }, {
+                    label: "AsciiDoc",
+                    click: () => {
+                        const msgId = showMessage(window.siyuan.languages.exporting, -1);
+                        fetchPost("/api/export/exportAsciiDoc", {
+                            id,
+                        }, response => {
+                            hideMessage(msgId);
+                            openByMobile(response.data.zip);
+                        });
+                    }
+                },
+                ]
             }
             /// #endif
         ]

kernel/api/export.go

@@ -31,6 +31,40 @@ import (
 	"github.com/siyuan-note/siyuan/kernel/util"
 )
 
+func exportAsciiDoc(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	defer c.JSON(http.StatusOK, ret)
+
+	arg, ok := util.JsonArg(c, ret)
+	if !ok {
+		return
+	}
+
+	id := arg["id"].(string)
+	name, zipPath := model.ExportPandocConvertZip(id, "asciidoc", ".adoc")
+	ret.Data = map[string]interface{}{
+		"name": name,
+		"zip":  zipPath,
+	}
+}
+
+func exportReStructuredText(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	defer c.JSON(http.StatusOK, ret)
+
+	arg, ok := util.JsonArg(c, ret)
+	if !ok {
+		return
+	}
+
+	id := arg["id"].(string)
+	name, zipPath := model.ExportPandocConvertZip(id, "rst", ".rst")
+	ret.Data = map[string]interface{}{
+		"name": name,
+		"zip":  zipPath,
+	}
+}
+
 func export2Liandi(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)
@@ -115,7 +149,7 @@ func exportMd(c *gin.Context) {
 	}
 
 	id := arg["id"].(string)
-	name, zipPath := model.ExportMarkdown(id)
+	name, zipPath := model.ExportPandocConvertZip(id, "", ".md")
 	ret.Data = map[string]interface{}{
 		"name": name,
 		"zip":  zipPath,

kernel/api/router.go

@@ -245,6 +245,8 @@ func ServeAPI(ginServer *gin.Engine) {
 	ginServer.Handle("POST", "/api/export/exportDataInFolder", model.CheckAuth, exportDataInFolder)
 	ginServer.Handle("POST", "/api/export/exportTempContent", model.CheckAuth, exportTempContent)
 	ginServer.Handle("POST", "/api/export/export2Liandi", model.CheckAuth, export2Liandi)
+	ginServer.Handle("POST", "/api/export/exportReStructuredText", model.CheckAuth, exportReStructuredText)
+	ginServer.Handle("POST", "/api/export/exportAsciiDoc", model.CheckAuth, exportAsciiDoc)
 
 	ginServer.Handle("POST", "/api/import/importStdMd", model.CheckAuth, model.CheckReadonly, importStdMd)
 	ginServer.Handle("POST", "/api/import/importData", model.CheckAuth, model.CheckReadonly, importData)

kernel/model/export.go

@@ -984,7 +984,7 @@ func ExportStdMarkdown(id string) string {
 		Conf.Export.AddTitle)
 }
 
-func ExportMarkdown(id string) (name, zipPath string) {
+func ExportPandocConvertZip(id, pandocTo, ext string) (name, zipPath string) {
 	block := treenode.GetBlockTree(id)
 	if nil == block {
 		logging.LogErrorf("not found block [%s]", id)
@@ -1002,7 +1002,8 @@ func ExportMarkdown(id string) (name, zipPath string) {
 	for _, docFile := range docFiles {
 		docPaths = append(docPaths, docFile.path)
 	}
-	zipPath = exportMarkdownZip(boxID, baseFolderName, docPaths)
+
+	zipPath = exportPandocConvertZip(boxID, baseFolderName, docPaths, "gfm+footnotes", pandocTo, ext)
 	name = strings.TrimSuffix(filepath.Base(block.Path), ".sy")
 	return
 }
@@ -1030,114 +1031,7 @@ func BatchExportMarkdown(boxID, folderPath string) (zipPath string) {
 	for _, docFile := range docFiles {
 		docPaths = append(docPaths, docFile.path)
 	}
-	zipPath = exportMarkdownZip(boxID, baseFolderName, docPaths)
+	zipPath = exportPandocConvertZip(boxID, baseFolderName, docPaths, "", "md", ".md")
-	return
-}
-
-func exportMarkdownZip(boxID, baseFolderName string, docPaths []string) (zipPath string) {
-	dir, name := path.Split(baseFolderName)
-	name = util.FilterFileName(name)
-	if strings.HasSuffix(name, "..") {
-		// 文档标题以 `..` 结尾时无法导出 Markdown https://github.com/siyuan-note/siyuan/issues/4698
-		// 似乎是 os.MkdirAll 的 bug，以 .. 结尾的路径无法创建，所以这里加上 _ 结尾
-		name += "_"
-	}
-	baseFolderName = path.Join(dir, name)
-	box := Conf.Box(boxID)
-
-	exportFolder := filepath.Join(util.TempDir, "export", baseFolderName)
-	if err := os.MkdirAll(exportFolder, 0755); nil != err {
-		logging.LogErrorf("create export temp folder failed: %s", err)
-		return
-	}
-
-	luteEngine := util.NewLute()
-	for _, p := range docPaths {
-		docIAL := box.docIAL(p)
-		if nil == docIAL {
-			continue
-		}
-
-		id := docIAL["id"]
-		hPath, md := exportMarkdownContent(id)
-		dir, name = path.Split(hPath)
-		dir = util.FilterFilePath(dir) // 导出文档时未移除不支持的文件名符号 https://github.com/siyuan-note/siyuan/issues/4590
-		name = util.FilterFileName(name)
-		hPath = path.Join(dir, name)
-		p = hPath + ".md"
-		writePath := filepath.Join(exportFolder, p)
-		if gulu.File.IsExist(writePath) {
-			// 重名文档加 ID
-			p = hPath + "-" + id + ".md"
-			writePath = filepath.Join(exportFolder, p)
-		}
-		writeFolder := filepath.Dir(writePath)
-		if err := os.MkdirAll(writeFolder, 0755); nil != err {
-			logging.LogErrorf("create export temp folder [%s] failed: %s", writeFolder, err)
-			continue
-		}
-		if err := gulu.File.WriteFileSafer(writePath, gulu.Str.ToBytes(md), 0644); nil != err {
-			logging.LogErrorf("write export markdown file [%s] failed: %s", writePath, err)
-			continue
-		}
-
-		// 解析导出后的标准 Markdown，汇总 assets
-		tree := parse.Parse("", gulu.Str.ToBytes(md), luteEngine.ParseOptions)
-		var assets []string
-		assets = append(assets, assetsLinkDestsInTree(tree)...)
-		for _, asset := range assets {
-			asset = string(html.DecodeDestination([]byte(asset)))
-			if strings.Contains(asset, "?") {
-				asset = asset[:strings.LastIndex(asset, "?")]
-			}
-
-			srcPath, err := GetAssetAbsPath(asset)
-			if nil != err {
-				logging.LogWarnf("get asset [%s] abs path failed: %s", asset, err)
-				continue
-			}
-
-			destPath := filepath.Join(writeFolder, asset)
-			err = filelock.Copy(srcPath, destPath)
-			if nil != err {
-				logging.LogErrorf("copy asset from [%s] to [%s] failed: %s", srcPath, destPath, err)
-				continue
-			}
-		}
-	}
-
-	zipPath = exportFolder + ".zip"
-	zip, err := gulu.Zip.Create(zipPath)
-	if nil != err {
-		logging.LogErrorf("create export markdown zip [%s] failed: %s", exportFolder, err)
-		return ""
-	}
-
-	// 导出 Markdown zip 包内不带文件夹 https://github.com/siyuan-note/siyuan/issues/6869
-	entries, err := os.ReadDir(exportFolder)
-	if nil != err {
-		logging.LogErrorf("read export markdown folder [%s] failed: %s", exportFolder, err)
-		return ""
-	}
-	for _, entry := range entries {
-		entryPath := filepath.Join(exportFolder, entry.Name())
-		if gulu.File.IsDir(entryPath) {
-			err = zip.AddDirectory(entry.Name(), entryPath)
-		} else {
-			err = zip.AddEntry(entry.Name(), entryPath)
-		}
-		if nil != err {
-			logging.LogErrorf("add entry [%s] to zip failed: %s", entry.Name(), err)
-			return ""
-		}
-	}
-
-	if err = zip.Close(); nil != err {
-		logging.LogErrorf("close export markdown zip failed: %s", err)
-	}
-
-	os.RemoveAll(exportFolder)
-	zipPath = "/export/" + url.PathEscape(filepath.Base(zipPath))
 	return
 }
 
@@ -1391,17 +1285,17 @@ func exportSYZip(boxID, rootDirPath, baseFolderName string, docPaths []string) (
 	zipPath = exportFolder + ".sy.zip"
 	zip, err := gulu.Zip.Create(zipPath)
 	if nil != err {
-		logging.LogErrorf("create export markdown zip [%s] failed: %s", exportFolder, err)
+		logging.LogErrorf("create export .sy.zip [%s] failed: %s", exportFolder, err)
 		return ""
 	}
 
 	if err = zip.AddDirectory(baseFolderName, exportFolder); nil != err {
-		logging.LogErrorf("create export markdown zip [%s] failed: %s", exportFolder, err)
+		logging.LogErrorf("create export .sy.zip [%s] failed: %s", exportFolder, err)
 		return ""
 	}
 
 	if err = zip.Close(); nil != err {
-		logging.LogErrorf("close export markdown zip failed: %s", err)
+		logging.LogErrorf("close export .sy.zip failed: %s", err)
 	}
 
 	os.RemoveAll(exportFolder)
@@ -2089,3 +1983,119 @@ func processFileAnnotationRef(refID string, n *ast.Node, fileAnnotationRefMode i
 	n.InsertBefore(fileAnnotationRefLink)
 	return ast.WalkSkipChildren
 }
+
+func exportPandocConvertZip(boxID, baseFolderName string, docPaths []string,
+	pandocFrom, pandocTo, ext string) (zipPath string) {
+	dir, name := path.Split(baseFolderName)
+	name = util.FilterFileName(name)
+	if strings.HasSuffix(name, "..") {
+		// 文档标题以 `..` 结尾时无法导出 Markdown https://github.com/siyuan-note/siyuan/issues/4698
+		// 似乎是 os.MkdirAll 的 bug，以 .. 结尾的路径无法创建，所以这里加上 _ 结尾
+		name += "_"
+	}
+	baseFolderName = path.Join(dir, name)
+	box := Conf.Box(boxID)
+
+	exportFolder := filepath.Join(util.TempDir, "export", baseFolderName+ext)
+	if err := os.MkdirAll(exportFolder, 0755); nil != err {
+		logging.LogErrorf("create export temp folder failed: %s", err)
+		return
+	}
+
+	luteEngine := util.NewLute()
+	for _, p := range docPaths {
+		docIAL := box.docIAL(p)
+		if nil == docIAL {
+			continue
+		}
+
+		id := docIAL["id"]
+		hPath, md := exportMarkdownContent(id)
+		dir, name = path.Split(hPath)
+		dir = util.FilterFilePath(dir) // 导出文档时未移除不支持的文件名符号 https://github.com/siyuan-note/siyuan/issues/4590
+		name = util.FilterFileName(name)
+		hPath = path.Join(dir, name)
+		p = hPath + ext
+		writePath := filepath.Join(exportFolder, p)
+		if gulu.File.IsExist(writePath) {
+			// 重名文档加 ID
+			p = hPath + "-" + id + ext
+			writePath = filepath.Join(exportFolder, p)
+		}
+		writeFolder := filepath.Dir(writePath)
+		if err := os.MkdirAll(writeFolder, 0755); nil != err {
+			logging.LogErrorf("create export temp folder [%s] failed: %s", writeFolder, err)
+			continue
+		}
+
+		// 调用 Pandoc 进行格式转换
+		output, err := util.Pandoc(pandocFrom, pandocTo, md)
+		if nil != err {
+			logging.LogErrorf("pandoc failed: %s", err)
+			continue
+		}
+
+		if err := gulu.File.WriteFileSafer(writePath, gulu.Str.ToBytes(output), 0644); nil != err {
+			logging.LogErrorf("write export markdown file [%s] failed: %s", writePath, err)
+			continue
+		}
+
+		// 解析导出后的标准 Markdown，汇总 assets
+		tree := parse.Parse("", gulu.Str.ToBytes(md), luteEngine.ParseOptions)
+		var assets []string
+		assets = append(assets, assetsLinkDestsInTree(tree)...)
+		for _, asset := range assets {
+			asset = string(html.DecodeDestination([]byte(asset)))
+			if strings.Contains(asset, "?") {
+				asset = asset[:strings.LastIndex(asset, "?")]
+			}
+
+			srcPath, err := GetAssetAbsPath(asset)
+			if nil != err {
+				logging.LogWarnf("get asset [%s] abs path failed: %s", asset, err)
+				continue
+			}
+
+			destPath := filepath.Join(writeFolder, asset)
+			err = filelock.Copy(srcPath, destPath)
+			if nil != err {
+				logging.LogErrorf("copy asset from [%s] to [%s] failed: %s", srcPath, destPath, err)
+				continue
+			}
+		}
+	}
+
+	zipPath = exportFolder + ".zip"
+	zip, err := gulu.Zip.Create(zipPath)
+	if nil != err {
+		logging.LogErrorf("create export markdown zip [%s] failed: %s", exportFolder, err)
+		return ""
+	}
+
+	// 导出 Markdown zip 包内不带文件夹 https://github.com/siyuan-note/siyuan/issues/6869
+	entries, err := os.ReadDir(exportFolder)
+	if nil != err {
+		logging.LogErrorf("read export markdown folder [%s] failed: %s", exportFolder, err)
+		return ""
+	}
+	for _, entry := range entries {
+		entryPath := filepath.Join(exportFolder, entry.Name())
+		if gulu.File.IsDir(entryPath) {
+			err = zip.AddDirectory(entry.Name(), entryPath)
+		} else {
+			err = zip.AddEntry(entry.Name(), entryPath)
+		}
+		if nil != err {
+			logging.LogErrorf("add entry [%s] to zip failed: %s", entry.Name(), err)
+			return ""
+		}
+	}
+
+	if err = zip.Close(); nil != err {
+		logging.LogErrorf("close export markdown zip failed: %s", err)
+	}
+
+	os.RemoveAll(exportFolder)
+	zipPath = "/export/" + url.PathEscape(filepath.Base(zipPath))
+	return
+}

kernel/util/pandoc.go

@@ -0,0 +1,125 @@
+// SiYuan - Build Your Eternal Digital Garden
+// Copyright (c) 2020-present, b3log.org
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Affero General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+package util
+
+import (
+	"bytes"
+	"github.com/88250/gulu"
+	"github.com/siyuan-note/logging"
+	"os/exec"
+	"path/filepath"
+	"strings"
+)
+
+func Pandoc(from, to, content string) (ret string, err error) {
+	if "" == from || "" == to || "md" == to {
+		ret = content
+		return
+	}
+
+	args := []string{
+		"--from", from,
+		"--to", to,
+	}
+
+	pandoc := exec.Command(PandocBinPath, args...)
+	gulu.CmdAttr(pandoc)
+	pandoc.Stdin = bytes.NewBufferString(content)
+	output, err := pandoc.CombinedOutput()
+	if nil != err {
+		return
+	}
+	ret = string(output)
+	return
+}
+
+var (
+	PandocBinPath string // Pandoc 可执行文件路径
+)
+
+func initPandoc() {
+	if ContainerStd != Container {
+		return
+	}
+
+	pandocDir := filepath.Join(TempDir, "pandoc")
+	if gulu.OS.IsWindows() {
+		PandocBinPath = filepath.Join(pandocDir, "bin", "pandoc.exe")
+	} else if gulu.OS.IsDarwin() || gulu.OS.IsLinux() {
+		PandocBinPath = filepath.Join(pandocDir, "bin", "pandoc")
+	}
+	pandocVer := getPandocVer(PandocBinPath)
+	if "" != pandocVer {
+		logging.LogInfof("built-in pandoc [ver=%s, bin=%s]", pandocVer, PandocBinPath)
+		return
+	}
+
+	pandocZip := filepath.Join(WorkingDir, "pandoc.zip")
+	if "dev" == Mode || !gulu.File.IsExist(pandocZip) {
+		if gulu.OS.IsWindows() {
+			pandocZip = filepath.Join(WorkingDir, "pandoc/pandoc-windows-amd64.zip")
+		} else if gulu.OS.IsDarwin() {
+			pandocZip = filepath.Join(WorkingDir, "pandoc/pandoc-darwin-amd64.zip")
+		} else if gulu.OS.IsLinux() {
+			pandocZip = filepath.Join(WorkingDir, "pandoc/pandoc-linux-amd64.zip")
+		}
+	}
+	if err := gulu.Zip.Unzip(pandocZip, pandocDir); nil != err {
+		logging.LogErrorf("unzip pandoc failed: %s", err)
+		return
+	}
+
+	if gulu.OS.IsDarwin() || gulu.OS.IsLinux() {
+		exec.Command("chmod", "+x", PandocBinPath).CombinedOutput()
+	}
+	pandocVer = getPandocVer(PandocBinPath)
+	logging.LogInfof("initialized built-in pandoc [ver=%s, bin=%s]", pandocVer, PandocBinPath)
+}
+
+func getPandocVer(binPath string) (ret string) {
+	if "" == binPath {
+		return
+	}
+
+	cmd := exec.Command(binPath, "--version")
+	gulu.CmdAttr(cmd)
+	data, err := cmd.CombinedOutput()
+	if nil == err && strings.HasPrefix(string(data), "pandoc") {
+		parts := bytes.Split(data, []byte("\n"))
+		if 0 < len(parts) {
+			ret = strings.TrimPrefix(string(parts[0]), "pandoc")
+			ret = strings.ReplaceAll(ret, ".exe", "")
+			ret = strings.TrimSpace(ret)
+		}
+		return
+	}
+	return
+}
+
+func IsValidPandocBin(binPath string) bool {
+	if "" == binPath {
+		return false
+	}
+
+	cmd := exec.Command(binPath, "--version")
+	gulu.CmdAttr(cmd)
+	data, err := cmd.CombinedOutput()
+	if nil == err && strings.HasPrefix(string(data), "pandoc") {
+		return true
+	}
+	return false
+}

kernel/util/working.go

@@ -17,14 +17,12 @@
 package util
 
 import (
-	"bytes"
 	"errors"
 	"flag"
 	"fmt"
 	"math/rand"
 	"mime"
 	"os"
-	"os/exec"
 	"path/filepath"
 	"strconv"
 	"strings"
@@ -173,7 +171,6 @@ var (
 	DBPath         string        // SQLite 数据库文件路径
 	HistoryDBPath  string        // SQLite 历史数据库文件路径
 	BlockTreePath  string        // 区块树文件路径
-	PandocBinPath  string        // Pandoc 可执行文件路径
 	AppearancePath string        // 配置目录下的外观目录 appearance/ 路径
 	ThemesPath     string        // 配置目录下的外观目录下的 themes/ 路径
 	IconsPath      string        // 配置目录下的外观目录下的 icons/ 路径
@@ -390,79 +387,6 @@ func initMime() {
 	mime.AddExtensionType(".sy", "application/json")
 }
 
-func initPandoc() {
-	if ContainerStd != Container {
-		return
-	}
-
-	pandocDir := filepath.Join(TempDir, "pandoc")
-	if gulu.OS.IsWindows() {
-		PandocBinPath = filepath.Join(pandocDir, "bin", "pandoc.exe")
-	} else if gulu.OS.IsDarwin() || gulu.OS.IsLinux() {
-		PandocBinPath = filepath.Join(pandocDir, "bin", "pandoc")
-	}
-	pandocVer := getPandocVer(PandocBinPath)
-	if "" != pandocVer {
-		logging.LogInfof("built-in pandoc [ver=%s, bin=%s]", pandocVer, PandocBinPath)
-		return
-	}
-
-	pandocZip := filepath.Join(WorkingDir, "pandoc.zip")
-	if "dev" == Mode || !gulu.File.IsExist(pandocZip) {
-		if gulu.OS.IsWindows() {
-			pandocZip = filepath.Join(WorkingDir, "pandoc/pandoc-windows-amd64.zip")
-		} else if gulu.OS.IsDarwin() {
-			pandocZip = filepath.Join(WorkingDir, "pandoc/pandoc-darwin-amd64.zip")
-		} else if gulu.OS.IsLinux() {
-			pandocZip = filepath.Join(WorkingDir, "pandoc/pandoc-linux-amd64.zip")
-		}
-	}
-	if err := gulu.Zip.Unzip(pandocZip, pandocDir); nil != err {
-		logging.LogErrorf("unzip pandoc failed: %s", err)
-		return
-	}
-
-	if gulu.OS.IsDarwin() || gulu.OS.IsLinux() {
-		exec.Command("chmod", "+x", PandocBinPath).CombinedOutput()
-	}
-	pandocVer = getPandocVer(PandocBinPath)
-	logging.LogInfof("initialized built-in pandoc [ver=%s, bin=%s]", pandocVer, PandocBinPath)
-}
-
-func getPandocVer(binPath string) (ret string) {
-	if "" == binPath {
-		return
-	}
-
-	cmd := exec.Command(binPath, "--version")
-	gulu.CmdAttr(cmd)
-	data, err := cmd.CombinedOutput()
-	if nil == err && strings.HasPrefix(string(data), "pandoc") {
-		parts := bytes.Split(data, []byte("\n"))
-		if 0 < len(parts) {
-			ret = strings.TrimPrefix(string(parts[0]), "pandoc")
-			ret = strings.ReplaceAll(ret, ".exe", "")
-			ret = strings.TrimSpace(ret)
-		}
-		return
-	}
-	return
-}
-
-func IsValidPandocBin(binPath string) bool {
-	if "" == binPath {
-		return false
-	}
-
-	cmd := exec.Command(binPath, "--version")
-	gulu.CmdAttr(cmd)
-	data, err := cmd.CombinedOutput()
-	if nil == err && strings.HasPrefix(string(data), "pandoc") {
-		return true
-	}
-	return false
-}
-
 func GetDataAssetsAbsPath() (ret string) {
 	ret = filepath.Join(DataDir, "assets")
 	var err error