From 55fedd7b72364fdb4841e32fc0063453e8b57d42 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20H=C3=A4ber?= <thomas.haeber@gmail.com>
Date: Thu, 20 Jan 2022 10:11:16 +0100
Subject: [PATCH] fix(BE-2482): replace curly braces for compatibility with
 newer PHP versions; code style

---
 lib/PHPPdf/Core/Engine/ZF/Font.php | 87 ++++++++++++------------------
 1 file changed, 33 insertions(+), 54 deletions(-)

diff --git a/lib/PHPPdf/Core/Engine/ZF/Font.php b/lib/PHPPdf/Core/Engine/ZF/Font.php
index 81dd2430..080c078f 100644
--- a/lib/PHPPdf/Core/Engine/ZF/Font.php
+++ b/lib/PHPPdf/Core/Engine/ZF/Font.php
@@ -9,10 +9,10 @@
 namespace PHPPdf\Core\Engine\ZF;
 
 use PHPPdf\Exception\InvalidArgumentException;
-
 use PHPPdf\Exception\InvalidResourceException;
 use PHPPdf\Core\Engine\AbstractFont;
 use ZendPdf\Font as ZendFont;
+use ZendPdf\Exception\ExceptionInterface;
 
 /**
  * @author Piotr Śliwa <peter.pl7@gmail.com>
@@ -20,11 +20,11 @@
 class Font extends AbstractFont
 {
     private $fonts = array();
-    
+
     /**
      * @internal Public method within PHPPdf\Core\Engine\ZF namespace
-     * 
-     * @return ZendPdf\Resource\Font
+     *
+     * @return ZendFont
      */
     public function getCurrentWrappedFont()
     {
@@ -33,40 +33,33 @@ public function getCurrentWrappedFont()
 
     private function getResourceByStyle($style)
     {
-        try
-        {
-            if(!isset($this->fonts[$style]))
-            {
+        try {
+            if (!isset($this->fonts[$style])) {
                 $data = $this->fontResources[$style];
-                if($this->isNamedFont($data))
-                {
+                if ($this->isNamedFont($data)) {
                     $name = $this->retrieveFontName($data);
                     $this->fonts[$style] = ZendFont::fontWithName($name);
-                }
-                else 
-                {
+                } else {
                     $this->fonts[$style] = ZendFont::fontWithPath($data);
                 }
             }
-            
+
             return $this->fonts[$style];
-        }
-        catch(\ZendPdf\Exception\ExceptionInterface $e)
-        {
+        } catch (ExceptionInterface $e) {
             throw InvalidResourceException::invalidFontException($this->fontResources[$style], $e);
         }
     }
-    
+
     private function isNamedFont($fontData)
     {
         return strpos($fontData, '/') === false;
     }
-    
+
     private static function retrieveFontName($name)
     {
         $const = sprintf('ZendPdf\Font::FONT_%s', str_replace('-', '_', strtoupper($name)));
 
-        if(!defined($const))
+        if (!defined($const))
         {
             throw new InvalidArgumentException(sprintf('Unrecognized font name: "%s".".', $name));
         }
@@ -77,31 +70,29 @@ private static function retrieveFontName($name)
     public function getWidthOfText($text, $fontSize)
     {
         $chars = $this->convertTextToChars($text);
-        
+
         $glyphs = $this->getCurrentWrappedFont()->glyphNumbersForCharacters($chars);
         $widths = $this->getCurrentWrappedFont()->widthsForGlyphs($glyphs);
         $textWidth = (array_sum($widths) / $this->getCurrentWrappedFont()->getUnitsPerEm()) * $fontSize;
 
         return $textWidth;
     }
-    
+
     private function convertTextToChars($text)
     {
         $length = strlen($text);
         $chars = array();
         $bytes = 1;
-        for($i=0; $i<$length; $i+=$bytes)
-        {
+        for ($i = 0; $i < $length; $i += $bytes) {
             list($char, $bytes) = $this->ordUtf8($text, $i, $bytes);
-            if($char !== false)
-            {
+            if ($char !== false) {
                 $chars[] = $char;
             }
         }
-        
+
         return $chars;
     }
-    
+
     /**
      * code from http://php.net/manual/en/function.ord.php#78032
      */
@@ -112,43 +103,31 @@ private function ordUtf8($text, $index = 0, $bytes = null)
 
         $char = false;
 
-        if ($index < $len)
-        {
-            $h = ord($text{$index});
+        if ($index < $len) {
+            $h = ord($text[$index]);
 
-            if($h <= 0x7F)
-            {
+            // if ($h < 0xC2) > keep $char = false;
+            if ($h <= 0x7F) {
                 $bytes = 1;
                 $char = $h;
-            }
-            elseif ($h < 0xC2)
-            {
-                $char = false;
-            }
-            elseif ($h <= 0xDF && $index < $len - 1)
-            {
+            } elseif ($h <= 0xDF && $index < $len - 1) {
                 $bytes = 2;
-                $char = ($h & 0x1F) <<  6 | (ord($text{$index + 1}) & 0x3F);
-            }
-            elseif($h <= 0xEF && $index < $len - 2)
-            {
+                $char = ($h & 0x1F) << 6 | (ord($text[$index + 1]) & 0x3F);
+            } elseif ($h <= 0xEF && $index < $len - 2) {
                 $bytes = 3;
-                $char = ($h & 0x0F) << 12 | (ord($text{$index + 1}) & 0x3F) << 6
-                                         | (ord($text{$index + 2}) & 0x3F);
-            }
-            elseif($h <= 0xF4 && $index < $len - 3)
-            {
+                $char = ($h & 0x0F) << 12 | (ord($text[$index + 1]) & 0x3F) << 6
+                                          | (ord($text[$index + 2]) & 0x3F);
+            } elseif ($h <= 0xF4 && $index < $len - 3) {
                 $bytes = 4;
-                $char = ($h & 0x0F) << 18 | (ord($text{$index + 1}) & 0x3F) << 12
-                                         | (ord($text{$index + 2}) & 0x3F) << 6
-                                         | (ord($text{$index + 3}) & 0x3F);
+                $char = ($h & 0x0F) << 18 | (ord($text[$index + 1]) & 0x3F) << 12
+                                          | (ord($text[$index + 2]) & 0x3F) << 6
+                                          | (ord($text[$index + 3]) & 0x3F);
             }
         }
 
-
         return array($char, $bytes);
     }
-    
+
     public function getCurrentResourceIdentifier()
     {
         return isset($this->fontResources[$this->currentStyle]) ? $this->fontResources[$this->currentStyle] : $this->fontResources[self::STYLE_NORMAL];