Created
July 17, 2013 12:57
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Convert Confluence HTML export into asciidoc
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| @Grab('net.sourceforge.htmlcleaner:htmlcleaner:2.4') | |
| import org.htmlcleaner.* | |
| def src = new File('html').toPath() | |
| def dst = new File('asciidoc').toPath() | |
| def cleaner = new HtmlCleaner() | |
| def props = cleaner.properties | |
| props.translateSpecialEntities = false | |
| def serializer = new SimpleHtmlSerializer(props) | |
| src.toFile().eachFileRecurse { f -> | |
| def relative = src.relativize(f.toPath()) | |
| def target = dst.resolve(relative) | |
| if (f.isDirectory()) { | |
| target.toFile().mkdir() | |
| } else if (f.name.endsWith('.html')) { | |
| def tmpHtml = File.createTempFile('clean', 'html') | |
| println "Converting $relative" | |
| def result = cleaner.clean(f) | |
| result.traverse({ tagNode, htmlNode -> | |
| tagNode?.attributes?.remove 'class' | |
| if ('td' == tagNode?.name || 'th'==tagNode?.name) { | |
| tagNode.name='td' | |
| String txt = tagNode.text | |
| tagNode.removeAllChildren() | |
| tagNode.insertChild(0, new ContentNode(txt)) | |
| } | |
| true | |
| } as TagNodeVisitor) | |
| serializer.writeToFile( | |
| result, tmpHtml.absolutePath, "utf-8" | |
| ) | |
| "pandoc -f html -t asciidoc -R -S --normalize -s $tmpHtml -o ${target}.adoc".execute().waitFor() | |
| tmpHtml.delete() | |
| }/* else { | |
| "cp html/$relative $target".execute() | |
| }*/ | |
| } |
I don't recall this, it's super old, but I don't think it deals with attached files.
Atlassian might have inched forward too - using the CLI tool looks like it is possible to get to a JSON page format that might more neatly map to Asciidoc equivalents;
https://developer.atlassian.com/cloud/jira/platform/apis/document/structure/
This gist is still going strong and referenced in the official Asciidoc doco:
https://docs.asciidoctor.org/asciidoctor/latest/migrate/confluence-xhtml/
Had to adapt the parameters for current pandoc, added some rudimentary error handling.
https://gist.github.com/bdabelow/67db92c7bd33687353fd8a07ede9ff5c
Is the line 22, tagNode?.attributes?.remove 'class', a good idea? For me it breaks conversion of code blocks.
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Based off this article that references this script;
https://docs.asciidoctor.org/asciidoctor/latest/migrate/confluence-xhtml
Do you recall the logic and if it would deal with referenced / attached files and/or images in the script logic?
When extracting to HTML images look like this:
Created a self-contained Docker image to run the conversion - using the Atlassian CLI base image + adding Pandoc/Groovy here:
https://github.com/npiper/confluence.extract