Add multiwiki support

doc/config.sample.yaml

@@ -16,3 +16,17 @@ config:
                 - My Category 2
         ext-ns-file-repo-compat: true
         include-history: false
+        # Multi-wiki output: define which Confluence spaces go into which import file.
+        # Each top-level key becomes a separate output file: output-{WikiName}.xml
+        # Under 'spaces', map each Confluence space key to the target namespace prefix
+        # inside that wiki.  Use "" for NS_MAIN (no prefix), or e.g. "MyNS:" for a
+        # custom namespace.  Cross-space links automatically use the source-space key
+        # as namespace (e.g. a page in SpaceA linking to SpaceB produces [[B:PageB]]).
+        wikis:
+                WikiA:
+                        spaces:
+                                A: ""         # Space A → NS_MAIN in WikiA
+                                C: "MyNS:"    # Space C → MyNS: namespace in WikiA
+                WikiB:
+                        spaces:
+                                B: ""         # Space B → NS_MAIN in WikiB

src/Composer/ConfluenceComposer.php

@@ -29,6 +29,16 @@ class ConfluenceComposer extends ComposerBase implements IOutputAwareInterface,
 	/** @var string */
 	private $dest = '';
 
+	/** @var bool */
+	private $multiWikiOutputEnabled = false;
+
+	/**
+	 * Config from `wikis` key: wikiName → [ 'spaces' => [ spaceKey => targetNsPrefix ] ]
+	 *
+	 * @var array
+	 */
+	private $wikisConfig = [];
+
 	/**
 	 * @param array $config
 	 * @param Workspace $workspace
@@ -47,6 +57,10 @@ public function __construct( $config, Workspace $workspace, DataBuckets $buckets
 		if ( isset( $config['config'] ) ) {
 			$this->advancedConfig = $config['config'];
 		}
+		if ( isset( $this->advancedConfig['wikis'] ) && is_array( $this->advancedConfig['wikis'] ) ) {
+			$this->wikisConfig = $this->advancedConfig['wikis'];
+			$this->multiWikiOutputEnabled = true;
+		}
 	}
 
 	/**
@@ -68,6 +82,11 @@ public function setDestinationPath( string $dest ): void {
 	 * @return void
 	 */
 	public function buildXML( Builder $builder ) {
+		if ( $this->multiWikiOutputEnabled ) {
+			$this->buildXMLMultiWiki();
+			return;
+		}
+
 		$processors = [
 			new Files(
 				$builder, $this->buckets, $this->workspace,
@@ -85,4 +104,22 @@ public function buildXML( Builder $builder ) {
 
 		$this->customBuckets->saveToWorkspace( $this->workspace );
 	}
+
+	/**
+	 * Build the full multi-wiki XML output by delegating to MultiWikiComposer.
+	 *
+	 * @return void
+	 */
+	private function buildXMLMultiWiki(): void {
+		$multiWikiComposer = new MultiWikiComposer(
+			$this->wikisConfig,
+			$this->buckets,
+			$this->workspace,
+			$this->advancedConfig,
+			$this->output,
+			$this->dest,
+			$this->customBuckets
+		);
+		$multiWikiComposer->compose();
+	}
 }