DTBLReader::read() - Code Metrics - Inspection of ":sparkles:" - codemasher/wildstar-database - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 96b3cc...8ff2ce )

by smiley

created 2019-01-06 04:19 UTC

DTBLReader::read() C

↳ Parent: DTBLReader

Complexity

Conditions	14
Paths	41

Size

Total Lines	49
Code Lines	30

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	30
dl	0
loc	49
rs	6.2666
c	0
b	0
f	0
cc	14
nc	41
nop	1

How to fix Complexity

<?php
/**
 * Class DTBLReader
 *
 * @link         https://arctium.io/wiki/index.php?title=WildStar_Client_Database_(.tbl)
 * @link         https://bitbucket.org/mugadr_m/wildstar-studio/src/973583416d4436e4980de840c2c91cfc5972fb2a/WildstarStudio/DataTable.h
 *
 * @filesource   DTBLReader.php
 * @created      04.01.2019
 * @package      codemasher\WildstarDB
 * @author       smiley <[email protected]>
 * @copyright    2019 smiley
 * @license      MIT
 */

namespace codemasher\WildstarDB;

class DTBLReader extends ReaderAbstract{

	protected $FORMAT_HEADER = 'a4Signature/LVersion/QTableNameLength/QUnknown1/QRecordSize/QFieldCount/QDescriptionOffset/QRecordCount/QFullRecordSize/QEntryOffset/QNextId/QIDLookupOffset/QUnknown2';
	protected $FORMAT_COLUMN = 'LNameLength/LUnknown1/QNameOffset/SDataType/SUnknown2/LUnknown3';

	/**
	 * @return void
	 * @throws \codemasher\WildstarDB\WSDBException
	 */
	protected function init():void{

		if($this->header['Signature'] !== "\x4c\x42\x54\x44"){ // LBTD
			throw new WSDBException('invalid DTBL');
		}

		$this->name = $this->decodeString(fread($this->fh, $this->header['TableNameLength'] * 2));

		$this->logger->info($this->name.', fields: '.$this->header['FieldCount'].', rows: '.$this->header['RecordCount']);

		fseek($this->fh, $this->header['DescriptionOffset'] + 0x60);

		for($i = 0; $i < $this->header['FieldCount']; $i++){
			$this->cols[$i]['header'] = unpack($this->FORMAT_COLUMN, fread($this->fh, 0x18));
		}

		$offset = $this->header['FieldCount'] * 0x18 + $this->header['DescriptionOffset'] + 0x60;

		if($this->header['FieldCount'] % 2){
			$offset += 8;
		}

		foreach($this->cols as $i => $col){
			fseek($this->fh, $offset + $col['header']['NameOffset']);

			$this->cols[$i]['name'] = $this->decodeString(fread($this->fh, $col['header']['NameLength'] * 2));
		}

	}

	/**
	 * @param string $filename
	 *
	 * @return \codemasher\WildstarDB\ReaderInterface
	 * @throws \codemasher\WildstarDB\WSDBException
	 */
	public function read(string $filename):ReaderInterface{
		$this->loadFile($filename);
		$this->init();

		fseek($this->fh, $this->header['EntryOffset'] + 0x60);

		for($i = 0; $i < $this->header['RecordCount']; $i++){
			$data = fread($this->fh, $this->header['RecordSize']);
			$row  = [];
			$j    = 0;
			$skip = false;

			foreach($this->cols as $c => $col){

				if($skip === true && ($c > 0 && $this->cols[$c - 1]['header']['DataType'] === 130) && $col['header']['DataType'] !== 130){
					$j += 4;
				}

				switch($col['header']['DataType']){
					case 3:  // uint32
					case 11: // booleans (stored as uint32 0/1)
						$v = unpack('L', substr($data, $j, 4))[1]; $j += 4; break;
					case 4:  // float
						$v = round(unpack('f', substr($data, $j, 4))[1], 3); $j += 4; break;
					case 20: // uint64
						$v = unpack('Q', substr($data, $j, 8))[1]; $j += 8; break;
					case 130: // string
						$v = $this->readString($data, $j, $skip); $j += 8; break;

					default: $v = null;
				}

				$row[$col['name']] = $v;
			}

			if(count($row) !== $this->header['FieldCount']){
				throw new WSDBException('invalid field count');
			}

			$this->data[$i] = $row;
		}

		fclose($this->fh);

		if(count($this->data) !== $this->header['RecordCount']){
			throw new WSDBException('invalid row count');
		}

		return $this;
	}

	/**
	 * @param string $data
	 * @param int    $j
	 * @param bool   $skip
	 *
	 * @return string
	 */
	protected function readString(string $data, int $j, bool &$skip):string{
		$o    = unpack('L', substr($data, $j, 4))[1];
		$p    = ftell($this->fh);
		$skip = $o === 0;

		fseek($this->fh, $this->header['EntryOffset'] + 0x60 + ($o > 0 ? $o : unpack('L', substr($data, $j + 4, 4))[1]));

		$v = '';

		do{
			$s = fread($this->fh, 2);
			$v .= $s;
		}
		while($s !== "\x00\x00" && $s !== '');

		fseek($this->fh, $p);

		return $this->decodeString($v);
	}

}


1			<?php
2			/**
3			* Class DTBLReader
4			*
5			* @link https://arctium.io/wiki/index.php?title=WildStar_Client_Database_(.tbl)
6			* @link https://bitbucket.org/mugadr_m/wildstar-studio/src/973583416d4436e4980de840c2c91cfc5972fb2a/WildstarStudio/DataTable.h
7			*
8			* @filesource DTBLReader.php
9			* @created 04.01.2019
10			* @package codemasher\WildstarDB
11			* @author smiley <[email protected]>
12			* @copyright 2019 smiley
13			* @license MIT
14			*/
15
16			namespace codemasher\WildstarDB;
17
18			class DTBLReader extends ReaderAbstract{
19
20			protected $FORMAT_HEADER = 'a4Signature/LVersion/QTableNameLength/QUnknown1/QRecordSize/QFieldCount/QDescriptionOffset/QRecordCount/QFullRecordSize/QEntryOffset/QNextId/QIDLookupOffset/QUnknown2';
21			protected $FORMAT_COLUMN = 'LNameLength/LUnknown1/QNameOffset/SDataType/SUnknown2/LUnknown3';
22
23			/**
24			* @return void
25			* @throws \codemasher\WildstarDB\WSDBException
26			*/
27			protected function init():void{
28
29			if($this->header['Signature'] !== "\x4c\x42\x54\x44"){ // LBTD
30			throw new WSDBException('invalid DTBL');
31			}
32
33			$this->name = $this->decodeString(fread($this->fh, $this->header['TableNameLength'] * 2));
34
35			$this->logger->info($this->name.', fields: '.$this->header['FieldCount'].', rows: '.$this->header['RecordCount']);
36
37			fseek($this->fh, $this->header['DescriptionOffset'] + 0x60);
38
39			for($i = 0; $i < $this->header['FieldCount']; $i++){
40			$this->cols[$i]['header'] = unpack($this->FORMAT_COLUMN, fread($this->fh, 0x18));
41			}
42
43			$offset = $this->header['FieldCount'] * 0x18 + $this->header['DescriptionOffset'] + 0x60;
44
45			if($this->header['FieldCount'] % 2){
46			$offset += 8;
47			}
48
49			foreach($this->cols as $i => $col){
50			fseek($this->fh, $offset + $col['header']['NameOffset']);
51
52			$this->cols[$i]['name'] = $this->decodeString(fread($this->fh, $col['header']['NameLength'] * 2));
53			}
54
55			}
56
57			/**
58			* @param string $filename
59			*
60			* @return \codemasher\WildstarDB\ReaderInterface
61			* @throws \codemasher\WildstarDB\WSDBException
62			*/
63			public function read(string $filename):ReaderInterface{
64			$this->loadFile($filename);
65			$this->init();
66
67			fseek($this->fh, $this->header['EntryOffset'] + 0x60);
68
69			for($i = 0; $i < $this->header['RecordCount']; $i++){
70			$data = fread($this->fh, $this->header['RecordSize']);
71			$row = [];
72			$j = 0;
73			$skip = false;
74
75			foreach($this->cols as $c => $col){
76
77			if($skip === true && ($c > 0 && $this->cols[$c - 1]['header']['DataType'] === 130) && $col['header']['DataType'] !== 130){
78			$j += 4;
79			}
80
81			switch($col['header']['DataType']){
82			case 3: // uint32
83			case 11: // booleans (stored as uint32 0/1)
84			$v = unpack('L', substr($data, $j, 4))[1]; $j += 4; break;
85			case 4: // float
86			$v = round(unpack('f', substr($data, $j, 4))[1], 3); $j += 4; break;
87			case 20: // uint64
88			$v = unpack('Q', substr($data, $j, 8))[1]; $j += 8; break;
89			case 130: // string
90			$v = $this->readString($data, $j, $skip); $j += 8; break;
91
92			default: $v = null;
93			}
94
95			$row[$col['name']] = $v;
96			}
97
98			if(count($row) !== $this->header['FieldCount']){
99			throw new WSDBException('invalid field count');
100			}
101
102			$this->data[$i] = $row;
103			}
104
105			fclose($this->fh);
106
107			if(count($this->data) !== $this->header['RecordCount']){
108			throw new WSDBException('invalid row count');
109			}
110
111			return $this;
112			}
113
114			/**
115			* @param string $data
116			* @param int $j
117			* @param bool $skip
118			*
119			* @return string
120			*/
121			protected function readString(string $data, int $j, bool &$skip):string{
122			$o = unpack('L', substr($data, $j, 4))[1];
123			$p = ftell($this->fh);
124			$skip = $o === 0;
125
126			fseek($this->fh, $this->header['EntryOffset'] + 0x60 + ($o > 0 ? $o : unpack('L', substr($data, $j + 4, 4))[1]));
127
128			$v = '';
129
130			do{
131			$s = fread($this->fh, 2);
132			$v .= $s;
133			}
134			while($s !== "\x00\x00" && $s !== '');
135
136			fseek($this->fh, $p);
137
138			return $this->decodeString($v);
139			}
140
141			}
142

codemasher / wildstar-database

Push — master ( 96b3cc...8ff2ce )

DTBLReader::read() C

Complexity

Size

Duplication

Importance

How to fix Complexity

Long Method

Duplication Side-by-Side

Filter issues like