Changeset 19716 for branches/version-2_5-dev/data/module/fpdf/pdf_context.php

Timestamp:

2010/12/11 12:15:20 (13 years ago)

Author:

Seasoft

Message:

#403(インクルードしているライブラリ群をバージョンアップする)

• FPDF関連 (PHP4について、動作環境無く未確認)

Location:

branches/version-2_5-dev/data/module/fpdf

Files:

• . (added)
• pdf_context.php (moved) (moved from branches/version-2_5-dev/data/pdf/pdf_context.php) (2 diffs)

branches/version-2_5-dev/data/module/fpdf/pdf_context.php

@@ -1 +1 @@
 <?php
 //
-//  FPDI - Version 1.2
+//  FPDI - Version 1.4
 //
-//    Copyright 2004-2007 Setasign - Jan Slabon
+//    Copyright 2004-2010 Setasign - Jan Slabon
 //
 //  Licensed under the Apache License, Version 2.0 (the "License");
@@ -18 +18 @@
 //
 
-class pdf_context {
-
-    var $file;
-    var $buffer;
-    var $offset;
-    var $length;
-
-    var $stack;
-
-    // Constructor
-
-    function pdf_context($f) {
-        $this->file = $f;
-        $this->reset();
-    }
-
-    // Optionally move the file
-    // pointer to a new location
-    // and reset the buffered data
-
-    function reset($pos = null, $l = 100) {
-        if (!is_null ($pos)) {
-            fseek ($this->file, $pos);
-        }
-
-        $this->buffer = $l > 0 ? fread($this->file, $l) : '';
-        $this->offset = 0;
-        $this->length = strlen($this->buffer);
-        $this->stack = array();
-    }
-
-    // Make sure that there is at least one
-    // character beyond the current offset in
-    // the buffer to prevent the tokenizer
-    // from attempting to access data that does
-    // not exist
-
-    function ensure_content() {
-        if ($this->offset >= $this->length - 1) {
-            return $this->increase_length();
-        } else {
-            return true;
-        }
-    }
-
-    // Forcefully read more data into the buffer
-
-    function increase_length($l=100) {
-        if (feof($this->file)) {
-            return false;
-        } else {
-            $this->buffer .= fread($this->file, $l);
-            $this->length = strlen($this->buffer);
-            return true;
-        }
-    }
-
+if (!class_exists('pdf_context', false)) {
+    
+    class pdf_context {
+    
+        /**
+         * Modi
+         *
+         * @var integer 0 = file | 1 = string
+         */
+        var $_mode = 0;
+        
+        var $file;
+        var $buffer;
+        var $offset;
+        var $length;
+    
+        var $stack;
+    
+        // Constructor
+    
+        function pdf_context(&$f) {
+            $this->file =& $f;
+            if (is_string($this->file))
+                $this->_mode = 1;
+            $this->reset();
+        }
+    
+        // Optionally move the file
+        // pointer to a new location
+        // and reset the buffered data
+    
+        function reset($pos = null, $l = 100) {
+            if ($this->_mode == 0) {
+                if (!is_null ($pos)) {
+                    fseek ($this->file, $pos);
+                }
+        
+                $this->buffer = $l > 0 ? fread($this->file, $l) : '';
+                $this->length = strlen($this->buffer);
+                if ($this->length < $l)
+                    $this->increase_length($l - $this->length);
+            } else {
+                $this->buffer = $this->file;
+                $this->length = strlen($this->buffer);
+            }
+            $this->offset = 0;
+            $this->stack = array();
+        }
+    
+        // Make sure that there is at least one
+        // character beyond the current offset in
+        // the buffer to prevent the tokenizer
+        // from attempting to access data that does
+        // not exist
+    
+        function ensure_content() {
+            if ($this->offset >= $this->length - 1) {
+                return $this->increase_length();
+            } else {
+                return true;
+            }
+        }
+    
+        // Forcefully read more data into the buffer
+    
+        function increase_length($l = 100) {
+            if ($this->_mode == 0 && feof($this->file)) {
+                return false;
+            } else if ($this->_mode == 0) {
+                $totalLength = $this->length + $l;
+                do {
+                    $this->buffer .= fread($this->file, $totalLength-$this->length);
+                } while ((($this->length = strlen($this->buffer)) != $totalLength) && !feof($this->file));
+                
+                return true;
+            } else {
+                return false;
+            }
+        }
+    }
 }
-?>