Opps, forgot this.
[core.git] / inc / classes / main / file_directories / input / text / class_FrameworkTextFileInputPointer.php
index 6dc36c314ccbba3c9eb9f82f2dba157a1346f960..16e43d52b7ea934d434b36acccc637413dca7778 100644 (file)
@@ -4,7 +4,7 @@
  *
  * @author             Roland Haeder <webmaster@shipsimu.org>
  * @version            0.0.0
- * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2014 Core Developer Team
+ * @copyright  Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2015 Core Developer Team
  * @license            GNU GPL 3.0 or any newer version
  * @link               http://www.shipsimu.org
  *
@@ -37,8 +37,9 @@ class FrameworkTextFileInputPointer extends BaseFileIo implements InputPointer {
         * be verified here.
         *
         * @param       $fileName       The file name we shall pass to fopen()
-        * @throws      FileIsEmptyException    If the provided file name is empty.
-        * @throws      FileIoException                 If fopen() returns not a file resource
+        * @throws      FileIsEmptyException            If the provided file name is empty.
+        * @throws      FileIoException                         If the file is not reachable
+        * @throws      FileReadProtectedException      If the file cannot be read from
         * @return      void
         */
        public static final function createFrameworkTextFileInputPointer ($fileName) {
@@ -46,11 +47,14 @@ class FrameworkTextFileInputPointer extends BaseFileIo implements InputPointer {
                if ((is_null($fileName)) || (empty($fileName))) {
                        // No filename given
                        throw new FileIsEmptyException(NULL, self::EXCEPTION_UNEXPECTED_EMPTY_STRING);
-               } elseif (!file_exists($fileName)) {
-                       // File does not exist!
-                       throw new FileIoException($fileName, self::EXCEPTION_FILE_NOT_FOUND);
-               } elseif (!is_readable($fileName)) {
+               } elseif (!BaseFrameworkSystem::isReachableFilePath($fileName)) {
+                       // File cannot be reached
+                       throw new FileIoException($fileName, self::EXCEPTION_FILE_NOT_REACHABLE);
+               } elseif ((!BaseFrameworkSystem::isReadableFile($fileName)) && (!file_exists($fileName))) {
                        // File does not exist!
+                       throw new FileNotFoundException($fileName, self::EXCEPTION_FILE_CANNOT_BE_READ);
+               } elseif ((!BaseFrameworkSystem::isReadableFile($fileName)) && (file_exists($fileName))) {
+                       // File cannot be read from (but exists)
                        throw new FileReadProtectedException($fileName, self::EXCEPTION_FILE_CANNOT_BE_READ);
                }
 
@@ -75,12 +79,34 @@ class FrameworkTextFileInputPointer extends BaseFileIo implements InputPointer {
        /**
         * Read data a file pointer
         *
-        * @return      mixed   The result of fread()
+        * @return      $data   Read data from file
+        */
+       public function readFromFile () {
+               // Read 1024 Byte data from the file pointer and return it
+               return $this->read(1024);
+       }
+
+       /**
+        * Reads a line, maximum 4096 Bytes from current file pointer
+        *
+        * @return      $data   Read data from file
+        */
+       public function readLine () {
+               // Read whole line from the file pointer and return it
+               return $this->read();
+       }
+
+       /**
+        * Reads given amount of bytes from file.
+        *
+        * @param       $bytes  Amount of bytes to read or whole line (only text files)
+        * @return      $data   Data read from file
         * @throws      NullPointerException    If the file pointer instance
         *                                                                      is not set by setPointer()
         * @throws      InvalidResourceException        If there is being set
         */
-       public function readFromFile () {
+       public function read ($bytes = NULL) {
+               // Some sanity checks
                if (is_null($this->getPointer())) {
                        // Pointer not initialized
                        throw new NullPointerException($this, self::EXCEPTION_IS_NULL_POINTER);
@@ -89,22 +115,14 @@ class FrameworkTextFileInputPointer extends BaseFileIo implements InputPointer {
                        throw new InvalidResourceException($this, self::EXCEPTION_INVALID_RESOURCE);
                }
 
-               // Read data from the file pointer and return it
-               return $this->read(1024);
-       }
-
-       /**
-        * Reads given amount of bytes from file.
-        *
-        * @param       $bytes  Amount of bytes to read
-        * @return      $data   Data read from file
-        */
-       public function read ($bytes) {
-               // Try to read given characters
-               $data = fgets($this->getPointer(), $bytes);
-
-               // Was this successfull?
-               assert(is_string($data));
+               // Is $bytes set?
+               if (is_int($bytes)) {
+                       // Try to read given characters
+                       $data = fgets($this->getPointer(), $bytes);
+               } else {
+                       // Try to read whole line
+                       $data = fgets($this->getPointer());
+               }
 
                // Then return it
                return $data;