From 541bb378ddece2eab135a8066a16994e94436dea Mon Sep 17 00:00:00 2001
From: Giulio Cesare Solaroli <giulio.cesare@solaroli.it>
Date: Mon, 03 Oct 2011 16:04:12 +0000
Subject: Merge pull request #1 from gcsolaroli/master

First version of the restructured repository
---
(limited to 'backend/php/src/setup/data_initialization/read_dump_lib.php')

diff --git a/backend/php/src/setup/data_initialization/read_dump_lib.php b/backend/php/src/setup/data_initialization/read_dump_lib.php
new file mode 100644
index 0000000..ed579ab
--- a/dev/null
+++ b/backend/php/src/setup/data_initialization/read_dump_lib.php
@@ -0,0 +1,205 @@
+<?php
+/* $Id: read_dump.lib.php,v 2.11 2006/01/17 17:02:30 cybot_tm Exp $ */
+// vim: expandtab sw=4 ts=4 sts=4:
+
+/**
+ * Removes comment lines and splits up large sql files into individual queries
+ *
+ * Last revision: September 23, 2001 - gandon
+ *
+ * @param   array    the splitted sql commands
+ * @param   string   the sql commands
+ * @param   integer  the MySQL release number (because certains php3 versions
+ *                   can't get the value of a constant from within a function)
+ *
+ * @return  boolean  always true
+ *
+ * @access  public
+ */
+function PMA_splitSqlFile(&$ret, $sql, $release)
+{
+    // do not trim, see bug #1030644
+    //$sql          = trim($sql);
+    $sql          = rtrim($sql, "\n\r");
+    $sql_len      = strlen($sql);
+    $char         = '';
+    $string_start = '';
+    $in_string    = FALSE;
+    $nothing      = TRUE;
+    $time0        = time();
+
+    for ($i = 0; $i < $sql_len; ++$i) {
+        $char = $sql[$i];
+
+        // We are in a string, check for not escaped end of strings except for
+        // backquotes that can't be escaped
+        if ($in_string) {
+            for (;;) {
+                $i         = strpos($sql, $string_start, $i);
+                // No end of string found -> add the current substring to the
+                // returned array
+                if (!$i) {
+                    $ret[] = array('query' => $sql, 'empty' => $nothing);
+                    return TRUE;
+                }
+                // Backquotes or no backslashes before quotes: it's indeed the
+                // end of the string -> exit the loop
+                elseif ($string_start == '`' || $sql[$i-1] != '\\') {
+                    $string_start      = '';
+                    $in_string         = FALSE;
+                    break;
+                }
+                // one or more Backslashes before the presumed end of string...
+                else {
+                    // ... first checks for escaped backslashes
+                    $j                     = 2;
+                    $escaped_backslash     = FALSE;
+                    while ($i-$j > 0 && $sql[$i-$j] == '\\') {
+                        $escaped_backslash = !$escaped_backslash;
+                        $j++;
+                    }
+                    // ... if escaped backslashes: it's really the end of the
+                    // string -> exit the loop
+                    if ($escaped_backslash) {
+                        $string_start  = '';
+                        $in_string     = FALSE;
+                        break;
+                    }
+                    // ... else loop
+                    else {
+                        $i++;
+                    }
+                } // end if...elseif...else
+            } // end for
+        } // end if (in string)
+
+        // lets skip comments (/*, -- and #)
+        elseif (($char == '-' && $sql_len > $i + 2 && $sql[$i + 1] == '-' && $sql[$i + 2] <= ' ') || $char == '#' || ($char == '/' && $sql_len > $i + 1 && $sql[$i + 1] == '*')) {
+            $i = strpos($sql, $char == '/' ? '*/' : "\n", $i);
+            // didn't we hit end of string?
+            if ($i === FALSE) {
+                break;
+            }
+            if ($char == '/') {
+                $i++;
+            }
+        }
+
+        // We are not in a string, first check for delimiter...
+        elseif ($char == ';') {
+            // if delimiter found, add the parsed part to the returned array
+            $ret[]      = array('query' => substr($sql, 0, $i), 'empty' => $nothing);
+            $nothing    = TRUE;
+            $sql        = ltrim(substr($sql, min($i + 1, $sql_len)));
+            $sql_len    = strlen($sql);
+            if ($sql_len) {
+                $i      = -1;
+            } else {
+                // The submited statement(s) end(s) here
+                return TRUE;
+            }
+        } // end elseif (is delimiter)
+
+        // ... then check for start of a string,...
+        elseif (($char == '"') || ($char == '\'') || ($char == '`')) {
+            $in_string    = TRUE;
+            $nothing      = FALSE;
+            $string_start = $char;
+        } // end elseif (is start of string)
+
+        elseif ($nothing) {
+            $nothing = FALSE;
+        }
+
+        // loic1: send a fake header each 30 sec. to bypass browser timeout
+        $time1     = time();
+        if ($time1 >= $time0 + 30) {
+            $time0 = $time1;
+            header('X-pmaPing: Pong');
+        } // end if
+    } // end for
+
+    // add any rest to the returned array
+    if (!empty($sql) && preg_match('@[^[:space:]]+@', $sql)) {
+        $ret[] = array('query' => $sql, 'empty' => $nothing);
+    }
+
+    return TRUE;
+} // end of the 'PMA_splitSqlFile()' function
+
+
+/**
+ * Reads (and decompresses) a (compressed) file into a string
+ *
+ * @param   string   the path to the file
+ * @param   string   the MIME type of the file, if empty MIME type is autodetected
+ *
+ * @global  array    the phpMyAdmin configuration
+ *
+ * @return  string   the content of the file or
+ *          boolean  FALSE in case of an error.
+ */
+function PMA_readFile($path, $mime = '') {
+    global $cfg;
+
+    if (!file_exists($path)) {
+        return FALSE;
+    }
+    switch ($mime) {
+        case '':
+            $file = @fopen($path, 'rb');
+            if (!$file) {
+                return FALSE;
+            }
+            $test = fread($file, 3);
+            fclose($file);
+            if ($test[0] == chr(31) && $test[1] == chr(139)) {
+                return PMA_readFile($path, 'application/x-gzip');
+            }
+            if ($test == 'BZh') {
+                return PMA_readFile($path, 'application/x-bzip');
+            }
+            return PMA_readFile($path, 'text/plain');
+        case 'text/plain':
+            $file = @fopen($path, 'rb');
+            if (!$file) {
+                return FALSE;
+            }
+            $content = fread($file, filesize($path));
+            fclose($file);
+            break;
+        case 'application/x-gzip':
+            if ($cfg['GZipDump'] && @function_exists('gzopen')) {
+                $file = @gzopen($path, 'rb');
+                if (!$file) {
+                    return FALSE;
+                }
+                $content = '';
+                while (!gzeof($file)) {
+                    $content .= gzgetc($file);
+                }
+                gzclose($file);
+            } else {
+                return FALSE;
+            }
+           break;
+        case 'application/x-bzip':
+            if ($cfg['BZipDump'] && @function_exists('bzdecompress')) {
+                $file = @fopen($path, 'rb');
+                if (!$file) {
+                    return FALSE;
+                }
+                $content = fread($file, filesize($path));
+                fclose($file);
+                $content = bzdecompress($content);
+            } else {
+                return FALSE;
+            }
+           break;
+        default:
+           return FALSE;
+    }
+    return $content;
+}
+
+?>
--
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