csv_to_html_tree.php

<?php
function printUsage()
{
    echo "CSV to HTML structure tree converter\n\n";
    echo "Usage: csv_to_html_tree [csv file]\n";
    echo "csv file: A comma separated values file that represents the site structure\n\n";

}//end printUsage()


/************************** MAIN PROGRAM ****************************/

if ((php_sapi_name() != 'cli')) {
    trigger_error("You can only run this script from the command line\n", E_USER_ERROR);
}

// Has a filename been supplied?
$csv_filename   = $argv[1];
if (empty($csv_filename)) {
    printUsage();
    echo "* A CSV filename must be specified as the first parameter\n\n";
    return -1;
}

// Does the supplied file exist?
$fd = fopen($csv_filename, 'r');
if (!$fd) {
    printUsage();
    echo "* The supplied CSV file was not found\n\n";
    return -2;
}

// Yippee, we have a file. Let's process it now
$last_html_tree = Array();

while (($data = fgetcsv($fd, 1024, ',')) !== FALSE) {
    // The level we have stored already (eg; heading 1 = 1)
    $current_level = 0;
    $num_fields = count($data);

    // Grab a line and throw it into an HTML array
    $html_tree = Array();
    foreach ($data as $key => $val) {
        $current_level++;
        $html_tree[$current_level] = $val;
    }

    // Cycle through the line, omitting any levels we have already covered
    foreach ($html_tree as $level => $page_name) {
        $current_page = $html_tree[$level];

        if (!empty($page_name)) {
            if ($page_name != $last_html_tree[$level]) {
                // Write out the heading tag, trimming any spaces surrounding the page name
                echo '<h'.$level.'>'.trim($page_name).'</h'.$level.">\n";
            }
        }

    }

    // Remember what we saw for the next line
    $last_html_tree = $html_tree;
}
fclose($fd);


// That's all folks :-D

?>