[asciidoc] workaround for legacy anchors - only inline in beginning o…

…r end of line support for now
yupiik · Feb 14, 2024 · d10d46e · d10d46e
1 parent 7b66691
commit d10d46e
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Showing 2 changed files with 40 additions and 2 deletions.
diff --git a/asciidoc-java/src/main/java/io/yupiik/asciidoc/parser/Parser.java b/asciidoc-java/src/main/java/io/yupiik/asciidoc/parser/Parser.java
@@ -1141,7 +1141,7 @@ private <T extends Element> T parseList(final Reader reader, final String option
         final var buffer = new StringBuilder();
         Matcher matcher;
         final int currentLevel = prefix.length() - 1 /*ending space*/;
-        while ((next = reader.nextLine()) != null && (matcher = regex.matcher((nextStripped=next.strip()))).matches() && !next.isBlank()) {
+        while ((next = reader.nextLine()) != null && (matcher = regex.matcher((nextStripped = next.strip()))).matches() && !next.isBlank()) {
             final var level = matcher.group(captureName).length();
             if (level < currentLevel) { // go back to parent
                 break;
@@ -1211,7 +1211,29 @@ private void addTextElements(final String line, final int i, final int end,
     }
 
     private Element newText(final List<Text.Style> styles, final String value, final Map<String, String> options) {
-        return new Text(styles, value, options); // todo: check nested links, email - without escaping
+        // cheap handling of legacy syntax for anchors - for backward compat but only when at the beginning or end, not yet in the middle
+        String id = null;
+        String text = value;
+        if (value.startsWith("[[")) {
+            final int end = value.indexOf("]]");
+            if (end > 0) {
+                id = value.substring("[[".length(), end);
+                text = text.substring(end + "]]".length()).strip();
+            }
+        } else if (value.endsWith("]]")) {
+            final int start = value.lastIndexOf("[[");
+            if (start > 0) {
+                id = value.substring(start + "[[".length(), value.length() - "]]".length());
+                text = text.substring(0, start).strip();
+            }
+        }
+
+        if (id != null && !id.isBlank() && !options.containsKey("id")) {
+            final var opts = new HashMap<>(options);
+            opts.putIfAbsent("id", id);
+            return new Text(styles, text, opts);
+        }
+        return new Text(styles, text, options); // todo: check nested links, email - without escaping
     }
 
     private Map<String, String> parseOptions(final String options) {

diff --git a/asciidoc-java/src/test/java/io/yupiik/asciidoc/parser/ParserTest.java b/asciidoc-java/src/test/java/io/yupiik/asciidoc/parser/ParserTest.java
@@ -742,6 +742,22 @@ void anchor() {
                 body.children());
     }
 
+    @Test
+    void titleId() {
+        final var body = new Parser().parseBody(new Reader(List.of("""
+                == Create a configuration model [[configuration_model]]
+                                
+                A configuration model is a record marked with RootConfiguration.
+                """.split("\n"))), null);
+        assertEquals(
+                List.of(new Section(
+                        2,
+                        new Text(List.of(), "Create a configuration model", Map.of("id", "configuration_model")),
+                        List.of(new Text(List.of(), "A configuration model is a record marked with RootConfiguration.", Map.of())),
+                        Map.of())),
+                body.children());
+    }
+
     @Test
     void include() {
         final var body = new Parser().parseBody(