Only scan a limited number of lines for a headers block separator.

jbake-org · Oct 26, 2018 · ce2f8a7 · ce2f8a7
1 parent 2026116
commit ce2f8a7
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Showing 3 changed files with 12 additions and 3 deletions.
diff --git a/jbake-core/src/main/java/org/jbake/app/configuration/JBakeConfiguration.java b/jbake-core/src/main/java/org/jbake/app/configuration/JBakeConfiguration.java
@@ -299,6 +299,12 @@ public interface JBakeConfiguration {
      */
     String getVersion();
 
+    /**
+     * @return Maximum lines to scan when looking for a JBake in-file header.
+     */
+    int getMaxHeaderLinesScan();
+
+
     /**
      * Set a property value for the given key
      *

diff --git a/jbake-core/src/main/java/org/jbake/parser/MarkupEngine.java b/jbake-core/src/main/java/org/jbake/parser/MarkupEngine.java
@@ -36,7 +36,7 @@ public abstract class MarkupEngine implements ParserEngine {
 
     private JBakeConfiguration configuration;
 
-    public static final int MAX_HEADER_LINES = 50;
+    public static final int MAX_HEADER_LINES_DEFAULT = 50;
 
 
     /**
@@ -174,9 +174,10 @@ private boolean hasHeader2(Configuration config, List<String> contents) {
 
         List<String> headerLines = new ArrayList<>();
 
+        int scanMaxLines = configuration.getMaxHeaderLinesScan(); // Default: MAX_HEADER_LINES_DEFAULT
 
         //for (String line : contents) {
-        for (int i = 0; i < contents.size() && i < MAX_HEADER_LINES; i++) {
+        for (int i = 0; i < contents.size() && i < scanMaxLines; i++) {
             String line = contents.get(i);
             if (StringUtils.isBlank(line))
                 continue;

diff --git a/jbake-core/src/main/resources/default.properties b/jbake-core/src/main/resources/default.properties
@@ -116,4 +116,6 @@ header.separator=~~~~~~
 # update image path
 img.path.update=false
 # Prepend site.host to image paths
-img.path.prepend.host=true
+img.path.prepend.host=true
+# JBake will only scan this number of lines for a headers block separator.
+header.maxLines=50