PDF : correct content hierarchy on the fly

diff --git a/build.py b/build.py
index 775e3f800f76b1966d3a43781ecc8eab34f78cc3..d7753fe60a31441341bce9136b075d33032dff40 100755 (executable)
--- a/build.py
+++ b/build.py
@@ -208,16 +208,22 @@ def GetParent(fs, pos):
 
 
 #
-# Change the hierarchy of titles : h1->hn, h2->hn+1, etc... n being delta-1
-#
-def reheader(txt, delta):
-       for i in range(6, 0, -1):
-               txt = txt.replace('<h' + str(i), '<h' + str(i + delta))
-               txt = txt.replace('</h' + str(i), '</h' + str(i + delta))
+# Change the hierarchy of titles : <h1>-><hn>, <h2>-><hn+1>, so that the
+# highest hyerarchy level is maxlevel
+#
+def remapheader(txt, maxlevel):
+       maxlvl=1
+       # find the highest hierarchy level in the content
+       while maxlvl < 7 and txt.find('<h' + str(maxlvl)) == -1:
+               maxlvl += 1
+       # if there is a hierarchy, remap it so that the highest level is maxlevel
+       if maxlvl < 7:
+               for i in range(6, maxlvl-1, -1):
+                       txt = txt.replace('<h' + str(i), '<h' + str(i + maxlevel - maxlvl))
+                       txt = txt.replace('</h' + str(i), '</h' + str(i + maxlevel - maxlvl))
 
        return txt
-
-
+       
 #
 # Creates the BreadCrumbs
 #
@@ -622,7 +628,7 @@ for header in fileStruct:
 
        # Fix up any internal links
        opcontent = FixInternalLinks(oplinks, content, header['title'])
-       opcontent = reheader(opcontent, 2)
+       opcontent = remapheader(opcontent, level+2)
 
        # Create "one page" header
        oph = '<h' + str(level+1) + ' class="clear" id="' + header[('link' if 'link' in header else 'filename')] +'">' + header['title'] + '</h' + str(level+1) + '>\n';