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home/homepage/ebmpoll/_mysql/libraries/export/_[ Not.Writable ]

File://home/homepage/ebmpoll/_mysql/libraries/export/latex.php

<?php
/* $Id: latex.php,v 2.13 2005/08/14 21:34:01 lem9 Exp $ */
// vim: expandtab sw=4 ts=4 sts=4:

/**
 * Set of functions used to build dumps of tables
 */

/**
 * Escapes some special characters for use in TeX/LaTeX
 *
 * @param   string      the string to convert
 *
 * @return  string      the converted string with escape codes
 *
 * @access  private
 */
function PMA_texEscape($string) {
   $escape = array('$', '%', '{', '}',  '&',  '#', '_', '^');
   $cnt_escape = count($escape);
   for ($k=0; $k < $cnt_escape; $k++) {
      $string = str_replace($escape[$k], '\\' . $escape[$k], $string);
   }
   return $string;
}

/**
 * Outputs comment
 *
 * @param   string      Text of comment
 *
 * @return  bool        Whether it suceeded
 */
function PMA_exportComment($text) {
    return PMA_exportOutputHandler('% ' . $text . $GLOBALS['crlf']);
}

/**
 * Outputs export footer
 *
 * @return  bool        Whether it suceeded
 *
 * @access  public
 */
function PMA_exportFooter() {
    return TRUE;
}

/**
 * Outputs export header
 *
 * @return  bool        Whether it suceeded
 *
 * @access  public
 */
function PMA_exportHeader() {
    global $crlf;
    global $cfg;

    $head  =  '% phpMyAdmin LaTeX Dump' . $crlf
           .  '% version ' . PMA_VERSION . $crlf
           .  '% http://www.phpmyadmin.net' . $crlf
           .  '%' . $crlf
           .  '% ' . $GLOBALS['strHost'] . ': ' . $cfg['Server']['host'];
    if (!empty($cfg['Server']['port'])) {
         $head .= ':' . $cfg['Server']['port'];
    }
    $head .= $crlf
           .  '% ' . $GLOBALS['strGenTime'] . ': ' . PMA_localisedDate() . $crlf
           .  '% ' . $GLOBALS['strServerVersion'] . ': ' . substr(PMA_MYSQL_INT_VERSION, 0, 1) . '.' . (int) substr(PMA_MYSQL_INT_VERSION, 1, 2) . '.' . (int) substr(PMA_MYSQL_INT_VERSION, 3) . $crlf
           .  '% ' . $GLOBALS['strPHPVersion'] . ': ' . phpversion() . $crlf;
    return PMA_exportOutputHandler($head);
}

/**
 * Outputs database header
 *
 * @param   string      Database name
 *
 * @return  bool        Whether it suceeded
 *
 * @access  public
 */
function PMA_exportDBHeader($db) {
    global $crlf;
    $head = '% ' . $crlf
          . '% ' . $GLOBALS['strDatabase'] . ': ' . (isset($GLOBALS['use_backquotes']) ? PMA_backquote($db) : '\'' . $db . '\''). $crlf
          . '% ' . $crlf;
    return PMA_exportOutputHandler($head);
}

/**
 * Outputs database footer
 *
 * @param   string      Database name
 *
 * @return  bool        Whether it suceeded
 *
 * @access  public
 */
function PMA_exportDBFooter($db) {
    return TRUE;
}

/**
 * Outputs create database database
 *
 * @param   string      Database name
 *
 * @return  bool        Whether it suceeded
 *
 * @access  public
 */
function PMA_exportDBCreate($db) {
    return TRUE;
}

/**
 * Outputs the content of a table in LaTeX table/sideways table environment
 *
 * @param   string      the database name
 * @param   string      the table name
 * @param   string      the end of line sequence
 * @param   string      the url to go back in case of error
 * @param   string      SQL query for obtaining data
 *
 * @return  bool        Whether it suceeded
 *
 * @access  public
 */
function PMA_exportData($db, $table, $crlf, $error_url, $sql_query) {
    $result      = PMA_DBI_try_query($sql_query, NULL, PMA_DBI_QUERY_UNBUFFERED);

    $columns_cnt = PMA_DBI_num_fields($result);
    for ($i = 0; $i < $columns_cnt; $i++) {
        $columns[$i] = PMA_DBI_field_name($result, $i);
    }
    unset($i);

    $buffer      = $crlf . '%' . $crlf . '% ' . $GLOBALS['strData'] . ': ' . $table . $crlf . '%' . $crlf
                 . ' \\begin{longtable}{|';

    for ($index=0;$index<$columns_cnt;$index++) {
       $buffer .= 'l|';
    }
    $buffer .= '} ' . $crlf ;

    $buffer .= ' \\hline \\endhead \\hline \\endfoot \\hline ' . $crlf;
    if (isset($GLOBALS['latex_caption'])) {
        $buffer .= ' \\caption{' . str_replace('__TABLE__', PMA_texEscape($table), $GLOBALS['latex_data_caption'])
                   . '} \\label{' . str_replace('__TABLE__', $table, $GLOBALS['latex_data_label']) . '} \\\\';
    }
    if (!PMA_exportOutputHandler($buffer)) return FALSE;

    // show column names
    if (isset($GLOBALS['latex_showcolumns'])) {
        $buffer = '\\hline ';
        for ($i = 0; $i < $columns_cnt; $i++) {
            $buffer .= '\\multicolumn{1}{|c|}{\\textbf{' . PMA_texEscape(stripslashes($columns[$i])) . '}} & ';
          }

        $buffer = substr($buffer,0,-2) . '\\\\ \\hline \hline ';
        if (!PMA_exportOutputHandler($buffer . ' \\endfirsthead ' . $crlf)) return FALSE;
        if (isset($GLOBALS['latex_caption'])) {
            if (!PMA_exportOutputHandler('\\caption{' . str_replace('__TABLE__', PMA_texEscape($table), $GLOBALS['latex_data_continued_caption']) . '} \\\\ ')) return FALSE;
        }
        if (!PMA_exportOutputHandler($buffer . '\\endhead \\endfoot' . $crlf)) return FALSE;
    } else {
        if (!PMA_exportOutputHandler('\\\\ \hline')) return FALSE;
    }

    // print the whole table
    while ($record = PMA_DBI_fetch_assoc($result)) {

        $buffer = '';
        // print each row
        for ($i = 0; $i < $columns_cnt; $i++) {
            if ( isset($record[$columns[$i]]) && (!function_exists('is_null') || !is_null($record[$columns[$i]]))) {
                $column_value = PMA_texEscape(stripslashes($record[$columns[$i]]));
            } else {
                $column_value = $GLOBALS['latex_replace_null'];
            }

            // last column ... no need for & character
            if ($i == ($columns_cnt - 1)) {
                $buffer .= $column_value;
            } else {
                $buffer .= $column_value . " & ";
            }
        }
        $buffer .= ' \\\\ \\hline ' . $crlf;
        if (!PMA_exportOutputHandler($buffer)) return FALSE;
    }

    $buffer = ' \\end{longtable}' . $crlf;
    if (!PMA_exportOutputHandler($buffer)) return FALSE;

    PMA_DBI_free_result($result);
    return TRUE;

} // end getTableLaTeX

/**
 * Returns $table's structure as LaTeX
 *
 * @param   string   the database name
 * @param   string   the table name
 * @param   string   the end of line sequence
 * @param   string   the url to go back in case of error
 * @param   boolean  whether to include relation comments
 * @param   boolean  whether to include column comments
 * @param   boolean  whether to include mime comments
 *
 * @return  bool     Whether it suceeded
 *
 * @access  public
 */
 // @@@ $strTableStructure
function PMA_exportStructure($db, $table, $crlf, $error_url, $do_relation = false, $do_comments = false, $do_mime = false, $dates = false)
{
    global $cfgRelation;

    /**
     * Get the unique keys in the table
     */
    $keys_query     = 'SHOW KEYS FROM ' . PMA_backquote($table) . ' FROM '. PMA_backquote($db);
    $keys_result    = PMA_DBI_query($keys_query);
    $unique_keys    = array();
    while ($key = PMA_DBI_fetch_assoc($keys_result)) {
        if ($key['Non_unique'] == 0) $unique_keys[] = $key['Column_name'];
    }
    PMA_DBI_free_result($keys_result);
    
    /**
     * Gets fields properties
     */
    PMA_DBI_select_db($db);
    $local_query = 'SHOW FIELDS FROM ' . PMA_backquote($db) . '.' . PMA_backquote($table);
    $result      = PMA_DBI_query($local_query);
    $fields_cnt  = PMA_DBI_num_rows($result);

    // Check if we can use Relations (Mike Beck)
    if ($do_relation && !empty($cfgRelation['relation'])) {
        // Find which tables are related with the current one and write it in
        // an array
        $res_rel = PMA_getForeigners($db, $table);

        if ($res_rel && count($res_rel) > 0) {
            $have_rel = TRUE;
        } else {
            $have_rel = FALSE;
        }
    }
    else {
           $have_rel = FALSE;
    } // end if

    /**
     * Displays the table structure
     */
    $buffer      = $crlf . '%' . $crlf . '% ' . $GLOBALS['strStructure'] . ': ' . $table  . $crlf . '%' . $crlf
                 . ' \\begin{longtable}{';
    if (!PMA_exportOutputHandler($buffer)) return FALSE;

    $columns_cnt = 4;
    $alignment = '|l|c|c|c|';
    if ($do_relation && $have_rel) {
        $columns_cnt++;
        $alignment .= 'l|';
    }
    if ($do_comments && $cfgRelation['commwork']) {
        $columns_cnt++;
        $alignment .= 'l|';
    }
    if ($do_mime && $cfgRelation['mimework']) {
        $columns_cnt++;
        $alignment .='l|';
    }
    $buffer = $alignment . '} ' . $crlf ;

    $header = ' \\hline ';
    $header .= '\\multicolumn{1}{|c|}{\\textbf{' . $GLOBALS['strField'] . '}} & \\multicolumn{1}{|c|}{\\textbf{' . $GLOBALS['strType'] . '}} & \\multicolumn{1}{|c|}{\\textbf{' . $GLOBALS['strNull'] . '}} & \\multicolumn{1}{|c|}{\\textbf{' . $GLOBALS['strDefault'] . '}}';
    if ($do_relation && $have_rel) {
        $header .= ' & \\multicolumn{1}{|c|}{\\textbf{' . $GLOBALS['strLinksTo'] . '}}';
    }
    if ($do_comments && $cfgRelation['commwork']) {
        $header .= ' & \\multicolumn{1}{|c|}{\\textbf{' . $GLOBALS['strComments'] . '}}';
        $comments = PMA_getComments($db, $table);
    }
    if ($do_mime && $cfgRelation['mimework']) {
        $header .= ' & \\multicolumn{1}{|c|}{\\textbf{MIME}}';
        $mime_map = PMA_getMIME($db, $table, true);
    }

    $local_buffer = PMA_texEscape($table);

    // Table caption for first page and label
    if (isset($GLOBALS['latex_caption'])) {
        $buffer .= ' \\caption{'. str_replace('__TABLE__', PMA_texEscape($table), $GLOBALS['latex_structure_caption'])
                   . '} \\label{' . str_replace('__TABLE__', $table, $GLOBALS['latex_structure_label'])
                   . '} \\\\' . $crlf;
    }
    $buffer .= $header . ' \\\\ \\hline \\hline' . $crlf . '\\endfirsthead' . $crlf;
    // Table caption on next pages
    if (isset($GLOBALS['latex_caption'])) {
        $buffer .= ' \\caption{'. str_replace('__TABLE__', PMA_texEscape($table), $GLOBALS['latex_structure_continued_caption'])
                   . '} \\\\ ' . $crlf;
    }
    $buffer .= $header . ' \\\\ \\hline \\hline \\endhead \\endfoot ';

    if (!PMA_exportOutputHandler($buffer)) return FALSE;

    while ($row = PMA_DBI_fetch_assoc($result)) {

        $type             = $row['Type'];
        // reformat mysql query output - staybyte - 9. June 2001
        // loic1: set or enum types: slashes single quotes inside options
        if (eregi('^(set|enum)\((.+)\)$', $type, $tmp = array())) {
            $tmp[2]       = substr(ereg_replace('([^,])\'\'', '\\1\\\'', ',' . $tmp[2]), 1);
            $type         = $tmp[1] . '(' . str_replace(',', ', ', $tmp[2]) . ')';
            $type_nowrap  = '';

            $binary       = 0;
            $unsigned     = 0;
            $zerofill     = 0;
        } else {
            $type_nowrap  = ' nowrap="nowrap"';
            $type         = eregi_replace('BINARY', '', $type);
            $type         = eregi_replace('ZEROFILL', '', $type);
            $type         = eregi_replace('UNSIGNED', '', $type);
            if (empty($type)) {
                $type     = '&nbsp;';
            }

            $binary       = eregi('BINARY', $row['Type'], $test = array());
            $unsigned     = eregi('UNSIGNED', $row['Type'], $test = array());
            $zerofill     = eregi('ZEROFILL', $row['Type'], $test = array());
        }
        $strAttribute     = '&nbsp;';
        if ($binary) {
            $strAttribute = 'BINARY';
        }
        if ($unsigned) {
            $strAttribute = 'UNSIGNED';
        }
        if ($zerofill) {
            $strAttribute = 'UNSIGNED ZEROFILL';
        }
        if (!isset($row['Default'])) {
            if ($row['Null'] != '') {
                $row['Default'] = 'NULL';
            }
        } else {
            $row['Default'] = $row['Default'];
        }

        $field_name = $row['Field'];

        $local_buffer = $field_name . "\000" . $type . "\000" . (($row['Null'] == '') ? $GLOBALS['strNo'] : $GLOBALS['strYes'])  . "\000" . (isset($row['Default']) ? $row['Default'] : '');

        if ($do_relation && $have_rel) {
            $local_buffer .= "\000";
            if (isset($res_rel[$field_name])) {
                $local_buffer .= $res_rel[$field_name]['foreign_table'] . ' (' . $res_rel[$field_name]['foreign_field'] . ')';
            }
        }
        if ($do_comments && $cfgRelation['commwork']) {
            $local_buffer .= "\000";
            if (isset($comments[$field_name])) {
                $local_buffer .= $comments[$field_name];
            }
        }
        if ($do_mime && $cfgRelation['mimework']) {
            $local_buffer .= "\000";
            if (isset($mime_map[$field_name])) {
                $local_buffer .= str_replace('_', '/', $mime_map[$field_name]['mimetype']);
            }
        }
        $local_buffer = PMA_texEscape($local_buffer);
        if ($row['Key']=='PRI') {
            $pos=strpos($local_buffer, "\000");
            $local_buffer = '\\textit{' . substr($local_buffer,0,$pos) . '}' . substr($local_buffer,$pos);
        }
        if (in_array($field_name, $unique_keys)) {
            $pos=strpos($local_buffer, "\000");
            $local_buffer = '\\textbf{' . substr($local_buffer,0,$pos) . '}' . substr($local_buffer,$pos);
        }
        $buffer = str_replace("\000", ' & ', $local_buffer);
        $buffer .= ' \\\\ \\hline ' . $crlf;

        if (!PMA_exportOutputHandler($buffer)) return FALSE;
    } // end while
    PMA_DBI_free_result($result);

    $buffer = ' \\end{longtable}' . $crlf;
    return PMA_exportOutputHandler($buffer);
} // end of the 'PMA_getTableStructureLaTeX()' function
?>

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