Modularize parser and decoder functions for future addition of other …

…teletext file formats

includes/ttxweb_main.php

@@ -1,17 +1,15 @@
 <?php
 
 // ttxweb.php EP1 teletext document renderer
-// version: 1.2.0.606 (2023-07-17)
+// version: 1.2.0.608 (2023-07-18)
 // (c) 2023 Fabian Schneider - @fabianswebworld
 
-// global constants
-
-const TTXWEB_VERSION     = '1.2.0.606 (2023-07-17)';          // version string
+// global definitions
+const TTXWEB_VERSION = '1.2.0.608 (2023-07-18)';       // version string
 
 // for user and template configuration see ttxweb_config.php
 
 // valid get URL parameters:
-
 // level15   - 0 (decode only level 1.0 characters) | 1 (decode level 1.5 characters, default)
 // header    - 0 (show locally generated header, default) | 1 (show actual row 0 from EP1 file)
 // page      - 100 (default) .. 899 - the page number to be displayed
@@ -25,7 +23,7 @@ function getPageNumbers() {
     // get page number and infer EP1 filename
     // also get existing pages and prev and next page
 
-    global $pageNum, $subpageNum, $prevPageNum, $nextPageNum, $prevSubpageNum, $nextSubpageNum, $numSubpages, $ep1FileList;
+    global $pageNum, $subpageNum, $prevPageNum, $nextPageNum, $prevSubpageNum, $nextSubpageNum, $numSubpages;
 
     $pageNum = isset($_GET['page']) ? $_GET['page']:'100';
     $pageNum = sprintf("%03d", $pageNum);
@@ -160,7 +158,10 @@ function getEp1Filename($pageNum, $subpageNum) {
 include('ttxweb_decoder.php');
 
 // now, render the given EP1 file
-renderEp1File(getEp1Filename($pageNum, $subpageNum));
+renderTeletextFile(getEp1Filename($pageNum, $subpageNum), $level15, $reveal);
+
+// add version string to output
+echo '<!-- generated by ttxweb EP1 teletext document renderer version: ' . $versionString . ' -->' . "\n";
 
 // include navigation
 include($templateFolder . '/navigation.php');