From 304dc11190c596bcc829277862bc6ef93beca843 Mon Sep 17 00:00:00 2001
From: Markus Birth <mbirth@gmail.com>
Date: Wed, 22 Nov 2017 00:15:32 +0100
Subject: [PATCH] Started actual parsing of XML into PHP objects.

---
 lib/TclUpdates/GotuObject.php | 26 +++++++++++++
 lib/TclUpdates/XmlParser.php  | 72 +++++++++++++++++++++++++++++++++++
 parse_files.php               | 29 ++++++++++++++
 3 files changed, 127 insertions(+)
 create mode 100755 lib/TclUpdates/GotuObject.php
 create mode 100755 parse_files.php

diff --git a/lib/TclUpdates/GotuObject.php b/lib/TclUpdates/GotuObject.php
new file mode 100755
index 0000000..5fb1eb7
--- /dev/null
+++ b/lib/TclUpdates/GotuObject.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace TclUpdates;
+
+class GotuObject
+{
+    private $attrs = array();
+
+    public function __construct()
+    {
+
+    }
+
+    public static function fromXmlParser(XmlParser $xp)
+    {
+        if (!$xp->validateGOTU()) {
+            return false;
+        }
+        $g = new self();
+        $g->attrs['type'] = $xp->getAttr('type');
+        $g->attrs['fv']   = $xp->getAttr('fv');
+        $g->attrs['tv']   = $xp->getAttr('tv');
+        $g->attrs['time'] = $xp->getReleaseTime();
+        return $g;
+    }
+}
diff --git a/lib/TclUpdates/XmlParser.php b/lib/TclUpdates/XmlParser.php
index f4f4625..2fdb872 100644
--- a/lib/TclUpdates/XmlParser.php
+++ b/lib/TclUpdates/XmlParser.php
@@ -5,6 +5,27 @@ namespace TclUpdates;
 class XmlParser
 {
     private $dom;
+    private $xp;
+    private $attr_map = array(
+        'update_desc' => '//UPDATE_DESC',
+        'encoding_error' => '//ENCODING_ERROR',
+        'curef' => '//CUREF',
+        'type' => '//VERSION/TYPE',
+        'fv' => '//VERSION/FV',
+        'tv' => '//VERSION/TV',
+        'svn' => '//VERSION/SVN',
+        'publisher' => '//VERSION/RELEASE_INFO/publisher',
+        'fw_id' => '//FIRMWARE/FW_ID',
+        'fileset_count' => '//FIRMWARE/FILESET_COUNT',
+        'filename' => '//FILESET/FILE[0]/FILENAME',
+        'file_id' => '//FILESET/FILE[0]/FILE_ID',
+        'file_size' => '//FILESET/FILE[0]/SIZE',
+        'file_chksum' => '//FILESET/FILE[0]/CHECKSUM',
+        'file_version' => '//FILESET/FILE[0]/FILE_VERSION',
+        'description_en' => '//DESCRIPTION/en',
+        'description_ja' => '//DESCRIPTION/ja',
+        'description_zh' => '//DESCRIPTION/zh',
+    );
 
     public function __construct()
     {
@@ -28,4 +49,55 @@ class XmlParser
         }
         return true;
     }
+
+    public function getAttr($attr)
+    {
+        if (!isset($this->attr_map[$attr])) {
+            return false;
+        }
+        $xpath = $this->attr_map[$attr];
+        $node = $this->getXPathValue($xpath);
+        return $node;
+    }
+
+    public function getReleaseTime()
+    {
+        $yr = $this->getXPathValue('//VERSION/RELEASE_INFO/year');
+        $mo = $this->getXPathValue('//VERSION/RELEASE_INFO/month');
+        $dy = $this->getXPathValue('//VERSION/RELEASE_INFO/day');
+        $hr = $this->getXPathValue('//VERSION/RELEASE_INFO/hour');
+        $mn = $this->getXPathValue('//VERSION/RELEASE_INFO/minute');
+        $se = $this->getXPathValue('//VERSION/RELEASE_INFO/second');
+        $tz = $this->getXPathValue('//VERSION/RELEASE_INFO/timezone');
+
+        $tz = intval(str_replace('GMT', '', $tz));   // returns hours from GMT (e.g. "8" or "-8")
+        $stamp = sprintf('%04u-%02u-%02uT%02u:%02u:%02u%+03d:00', $yr, $mo, $dy, $hr, $mn, $se, $tz);
+        //$unix  = strtotime($stamp);
+        return $stamp;
+    }
+
+    private function getXPath($path, $context = null)
+    {
+        if (is_null($this->xp)) {
+            $this->xp = new \DOMXPath($this->dom);
+        }
+        $result = $this->xp->query($path, $context);
+        //var_dump($result);
+        if ($result->length == 0) {
+            return null;
+        }
+        return $result;
+    }
+
+    private function getXPathValue($path, $context = null)
+    {
+        $node = $this->getXPath($path, $context);
+        if (is_null($node)) {
+            return null;
+        }
+        if ($node->length == 1) {
+            return $node->item(0)->nodeValue;
+        }
+        return $node;
+    }
 }
diff --git a/parse_files.php b/parse_files.php
new file mode 100755
index 0000000..abf266f
--- /dev/null
+++ b/parse_files.php
@@ -0,0 +1,29 @@
+#!/usr/bin/env php
+<?php
+
+require_once __DIR__ . '/lib/autoloader.php';
+
+use \TclUpdates\GotuObject;
+use \TclUpdates\XmlParser;
+
+$bkup_dir = __DIR__ . '/data/';
+
+$file_list = glob($bkup_dir . '*.xml');
+
+foreach ($file_list as $file) {
+    $filename = basename($file);
+    $data = file_get_contents($file);
+    $xp = new XmlParser();
+    $load_ok = $xp->loadXmlFromString($data);
+    if (!$load_ok) {
+        echo 'Could not load ' . $filename . '!' . PHP_EOL;
+        continue;
+    }
+    if (!$xp->validateGOTU()) {
+        echo 'XML not valid in ' . $filename . '!' . PHP_EOL;
+        continue;
+    }
+    echo 'Processing ' . $filename . PHP_EOL;
+    $g = GotuObject::fromXmlParser($xp);
+    print_r($g);
+}