Create site with documentation #164 : fix #links

mdbooker.awk

@@ -3,25 +3,39 @@ BEGIN {
   H = 0
   Title = Content = ""
   delete PathElements
+  delete Link2Path
 }
 
-match($0, /^#+/) { handleTitle(RLENGTH); next }
-{ Content = Content "\n" $0; next }
+match($0, /^#+/) { handleTitle(RLENGTH, 1) }
 
-function handleTitle(h,   md,indent,dir,i,path) {
+function handleTitle(h,pass,   md,indent,dir,i,path) {
   if (Title) {
     for (i = 2; i < H; i++)
       dir = dir (dir ? "-" : "") fname(PathElements[i])
-    print "generating: " (path = dir (dir ? "-" : "") (md = fname(Title) ".md")) "..."
-    print Content > BOOK path
-    if ((indent = H - 2) < 0)
-      indent = 0
-    printf "%" (indent * 4) "s%s[%s](%s)\n", "", 1 == H ? "" : "- ", Title, path >> SUMMARY
+    path = dir (dir ? "-" : "") (md = fname(Title) ".md")
+    if (pass == 1) {
+      Link2Path[linkify(Title)] = path
+    } else {
+      print "generating: " path "..."
+      print Content > BOOK path
+      if ((indent = H - 2) < 0)
+        indent = 0
+      printf "%" (indent * 4) "s%s[%s](%s)\n", "", 1 == H ? "" : "- ", Title, path >> SUMMARY
+    }
   }
   Content = "# " (Title = PathElements[H = h] = trim(substr($0, h + 1)))
 }
 
-END { handleTitle(-1) }
+END { handleTitle(-1, 1); pass2() }
 
+function pass2() {
+  while (getline < FILENAME > 0) {
+    if (match($0, /^#+/)) { handleTitle(RLENGTH, 2) }
+    else { Content = Content "\n" $0 }
+  }
+  handleTitle(-1, 2)
+}
+
+function linkify(t) { t = tolower(t); gsub(/ /, "-", t); gsub(/[^-a-z0-9_]/, "", t); return t }
 function fname(s) { gsub(/ /, "_", s); return s }
 function trim(s) { sub(/^[ \t\r\n]+/, "", s); sub(/[ \t\r\n]+$/, "", s); return s }