biblio.util.inc in Bibliography Module 7

File

includes/biblio.util.inc

<?php

/**
 * @file
 */

/**
 *
 */
function biblio_normalize_title($title) {
  $stop_words = 'a,an,the,is,on';
  $stop_words = explode(',', variable_get('biblio_stop_words', $stop_words));
  if (!@preg_match('/\\pL/u', 'a')) {

    // Probably a broken PCRE library.
    $title = trim(_strip_punctuation($title));
  }
  else {

    // Unicode safe filter for the value.
    $title = trim(_strip_punctuation_utf8($title));
  }
  $title = trim(_strip_punctuation($title));
  if (function_exists('mb_regex_encoding')) {
    mb_regex_encoding("utf-8");
    $title_words = mb_split(' +', $title);
  }
  else {
    $title_words = explode(' ', $title);
  }
  while (array_search(drupal_strtolower($title_words[0]), $stop_words) !== FALSE) {
    array_shift($title_words);
  }
  return drupal_substr(implode(' ', $title_words), 0, 64);
}

/**
 *
 */
function biblio_coins($node) {

  // Copyright:          Matthias Steffens <mailto:[e-mail]> and the file's
  //                     original author.
  // Original Author:    Richard Karnesky <mailto:[e-mail]>  //
  // Adapted for biblio: Ron Jerome
  // fmt_info (type)
  $fmt = "info:ofi/fmt:kev:mtx:";

  // 'dissertation' is compatible with the 1.0 spec, but not the 0.1 spec.
  if ($node->biblio_type == 108) {
    $fmt .= "dissertation";
  }
  elseif ($node->biblio_type == 102) {
    $fmt .= "journal";
  }
  elseif ($node->biblio_type == 100 || $node->biblio_type == 101) {
    $fmt .= "book";
  }
  else {
    $fmt .= "dc";
  }
  $co = biblio_contextObject($node);
  $coins = "ctx_ver=Z39.88-2004&amp;rft_val_fmt=" . urlencode($fmt);
  foreach ($co as $coKey => $coValue) {

    // 'urlencode()' differs from 'rawurlencode() (i.e., RFC1738 encoding)
    // in that spaces are encoded as plus (+) signs.
    $coKey = preg_replace("/au[0-9]*/", "au", $coKey);
    $coins .= "&amp;" . $coKey . "=" . urlencode($coValue);
  }
  $coinsSpan = "<span class=\"Z3988\" title=\"" . $coins . "\"></span>";
  return $coinsSpan;
}

/**
 *
 */
function biblio_contextObject($node) {

  // Copyright:          Matthias Steffens <mailto:[e-mail]> and the file's
  //                     original author.
  // Original Author:    Richard Karnesky <mailto:[e-mail]>  //
  // Adapted for biblio: Ron Jerome.
  global $base_url;
  $i = 0;

  // $openurl_base = variable_get('biblio_baseopenurl', '');.
  $co = array();

  // rfr_id
  //  $co["rfr_id"] = "info:sid/". ereg_replace("http://", "", $base_url);
  //  // genre (type)
  //  if (isset($node->biblio_type)) {
  //    if ($node->biblio_type == 102)
  //    $co["rft.genre"] = "article";
  //    elseif ($node->biblio_type == 101) $co["rft.genre"] = "bookitem";
  //    elseif ($node->biblio_type == 100) $co["rft.genre"] = "book";
  //    elseif ($node->biblio_type == "Journal") $co["rft.genre"] = "journal";
  //  }
  // atitle, btitle, title (title, publication)
  if ($node->biblio_type == 102 || $node->biblio_type == 101) {
    if (!empty($node->title)) {
      $co["rft.atitle"] = check_plain($node->title);
    }
    if (!empty($node->biblio_secondary_title)) {
      $co["rft.title"] = check_plain($node->biblio_secondary_title);
      if ($node->biblio_type == 101) {
        $co["rft.btitle"] = check_plain($node->biblio_secondary_title);
      }
    }
  }
  elseif (!empty($node->title)) {
    $co["rft.title"] = check_plain($node->title);
  }
  if ($node->biblio_type == 100 && !empty($node->biblio_secondary_title)) {
    $co["rft.btitle"] = check_plain($node->biblio_secondary_title);
  }

  // Stitle (abbrev_journal)
  if (!empty($node->biblio_short_title)) {
    $co["rft.stitle"] = check_plain($node->biblio_short_title);
  }

  // Series (series_title)
  if (!empty($node->biblio_tertiary_title)) {
    $co["rft.series"] = check_plain($node->biblio_tertiary_title);
  }

  // Issn.
  if (!empty($node->biblio_issn)) {
    $co["rft.issn"] = check_plain($node->biblio_issn);
  }

  // Isbn.
  if (!empty($node->biblio_isbn)) {
    $co["rft.isbn"] = check_plain($node->biblio_isbn);
  }

  // Date (year)
  if (!empty($node->biblio_year)) {
    $co["rft.date"] = check_plain($node->biblio_year);
  }

  // Volume.
  if (!empty($node->biblio_volume)) {
    $co["rft.volume"] = check_plain($node->biblio_volume);
  }

  // Issue.
  if (!empty($node->biblio_issue)) {
    $co["rft.issue"] = check_plain($node->biblio_issue);
  }

  // spage, epage, tpages (pages)
  // NOTE: lifted from modsxml.inc.php--should throw some into a new include file.
  if (!empty($node->biblio_pages)) {
    if (preg_match("/[0-9] *- *[0-9]/", $node->biblio_pages)) {
      list($pagestart, $pageend) = preg_split('/\\s*[-]\\s*/', $node->biblio_pages);
      if ($pagestart < $pageend) {
        $co["rft.spage"] = check_plain($pagestart);
        $co["rft.epage"] = check_plain($pageend);
      }
    }
    elseif ($node->biblio_type == 100) {
      $pagetotal = preg_replace('/^(\\d+)\\s*pp?\\.?$/', "\\1", $node->biblio_pages);
      $co["rft.tpages"] = check_plain($pagetotal);
    }
    else {
      $co["rft.spage"] = check_plain($node->biblio_pages);
    }
  }

  // aulast, aufirst, author (author)
  if (!empty($node->biblio_contributors)) {
    if (!empty($node->biblio_contributors[0]['lastname'])) {
      $co["rft.aulast"] = check_plain($node->biblio_contributors[0]['lastname']);
    }
    if (!empty($node->biblio_contributors[0]['firstname'])) {
      $co["rft.aufirst"] = check_plain($node->biblio_contributors[0]['firstname']);
    }
    elseif (!empty($node->biblio_contributors[0]['initials'])) {
      $co["rft.auinit"] = check_plain($node->biblio_contributors[0]['initials']);
    }
    for ($i = 1; $i < count($node->biblio_contributors); $i++) {
      $author = $node->biblio_contributors[$i];
      if ($author['auth_category'] == 1) {
        if (!empty($author['lastname'])) {
          $au = $author['lastname'];
          if (!empty($author['firstname']) || !empty($author['initials'])) {
            $au .= ", ";
          }
        }
        if (!empty($author['firstname'])) {
          $au .= $author['firstname'];
        }
        elseif (!empty($author['initials'])) {
          $au .= $author['initials'];
        }
        if (!empty($au)) {
          $co["rft.au" . $i] = $au;
        }
      }
    }
  }

  // Pub (publisher)
  if (!empty($node->biblio_publisher)) {
    $co["rft.pub"] = check_plain($node->biblio_publisher);
  }

  // Place.
  if (!empty($node->biblio_place_published)) {
    $co["rft.place"] = check_plain($node->biblio_place_published);
  }

  // Id (doi, url)
  if (!empty($node->biblio_doi)) {
    $co["rft_id"] = "info:doi/" . check_plain($node->biblio_doi);
  }

  // Elseif (!empty($node->biblio_url)) {
  //    $co["rft_id"] = $node->biblio_url;
  //  }.
  return $co;
}

/**
 *
 */
function biblio_coins_generate(&$node) {
  if (!isset($node->vid)) {
    $node->biblio_coins = biblio_coins($node);
    return;
  }
  if ($node) {
    $node->biblio_coins = biblio_coins($node);
    db_update('biblio')
      ->fields(array(
      'biblio_coins' => $node->biblio_coins,
    ))
      ->condition('vid', $node->vid)
      ->execute();
  }
  else {
    $result = db_query("SELECT nr.*, b.*\n                        FROM {node} AS n\n                        LEFT JOIN {node_revision}  AS nr ON n.vid = nr.vid LEFT JOIN {biblio} AS b ON n.vid = b.vid\n                        WHERE n.type = 'biblio'  ");
    foreach ($result as $node) {
      $node->biblio_coins = biblio_coins($node);
      db_update('biblio')
        ->fields(array(
        'biblio_coins' => $node->biblio_coins,
      ))
        ->condition('vid', $node->vid)
        ->execute();
    }
    drupal_goto('');
  }
}

/**
 *
 */
function _strip_punctuation($text) {
  return preg_replace("/[[:punct:]]/", '', $text);
}

/**
 * Copyright (c) 2008, David R. Nadeau, NadeauSoftware.com.
 * All rights reserved.
 *
 * Strip punctuation characters from UTF-8 text.
 *
 * Characters stripped from the text include characters in the following
 * Unicode categories:
 *
 *   Separators
 *   Control characters
 *  Formatting characters
 *  Surrogates
 *  Open and close quotes
 *  Open and close brackets
 *  Dashes
 *  Connectors
 *  Numer separators
 *  Spaces
 *  Other punctuation
 *
 * Exceptions are made for punctuation characters that occur withn URLs
 * (such as [ ] : ; @ & ? and others), within numbers (such as . , % # '),
 * and within words (such as - and ').
 *
 * Parameters:
 *   text    the UTF-8 text to strip
 *
 * Return values:
 *   the stripped UTF-8 text.
 *
 * See also:
 *   http://nadeausoftware.com/articles/2007/9/php_tip_how_strip_punctuation_characters_web_page
 */
function _strip_punctuation_utf8($text) {
  $urlbrackets = '\\[\\]\\(\\)';
  $urlspacebefore = ':;\'_\\*%@&?!' . $urlbrackets;
  $urlspaceafter = '\\.,:;\'\\-_\\*@&\\/\\\\\\?!#' . $urlbrackets;
  $urlall = '\\.,:;\'\\-_\\*%@&\\/\\\\\\?!#' . $urlbrackets;
  $specialquotes = '\'"\\*<>';
  $fullstop = '\\x{002E}\\x{FE52}\\x{FF0E}';
  $comma = '\\x{002C}\\x{FE50}\\x{FF0C}';
  $arabsep = '\\x{066B}\\x{066C}';
  $numseparators = $fullstop . $comma . $arabsep;
  $numbersign = '\\x{0023}\\x{FE5F}\\x{FF03}';
  $percent = '\\x{066A}\\x{0025}\\x{066A}\\x{FE6A}\\x{FF05}\\x{2030}\\x{2031}';
  $prime = '\\x{2032}\\x{2033}\\x{2034}\\x{2057}';
  $nummodifiers = $numbersign . $percent . $prime;
  return preg_replace(array(
    // Remove separator, control, formatting, surrogate,
    // open/close quotes.
    '/[\\p{Z}\\p{Cc}\\p{Cf}\\p{Cs}\\p{Pi}\\p{Pf}]/u',
    // Remove other punctuation except special cases.
    '/\\p{Po}(?<![' . $specialquotes . $numseparators . $urlall . $nummodifiers . '])/u',
    // Remove non-URL open/close brackets, except URL brackets.
    '/[\\p{Ps}\\p{Pe}](?<![' . $urlbrackets . '])/u',
    // Remove special quotes, dashes, connectors, number
    // separators, and URL characters followed by a space.
    '/[' . $specialquotes . $numseparators . $urlspaceafter . '\\p{Pd}\\p{Pc}]+((?= )|$)/u',
    // Remove special quotes, connectors, and URL characters
    // preceded by a space.
    '/((?<= )|^)[' . $specialquotes . $urlspacebefore . '\\p{Pc}]+/u',
    // Remove dashes preceded by a space, but not followed by a number.
    '/((?<= )|^)\\p{Pd}+(?![\\p{N}\\p{Sc}])/u',
    // Remove consecutive spaces.
    '/ +/',
  ), ' ', $text);
}

/**
 * Copyright (c) 2008, David R. Nadeau, NadeauSoftware.com.
 * All rights reserved.
 *
 * Strip symbol characters from UTF-8 text.
 *
 * Characters stripped from the text include characters in the following
 * Unicode categories:
 *
 *   Modifier symbols
 *   Private use symbols
 *   Math symbols
 *   Other symbols
 *
 * Exceptions are made for math symbols embedded within numbers (such as
 * + - /), math symbols used within URLs (such as = ~), units of measure
 * symbols, and ideograph parts.  Currency symbols are not removed.
 *
 * Parameters:
 *   text    the UTF-8 text to strip
 *
 * Return values:
 *   the stripped UTF-8 text.
 *
 * See also:
 *  http://nadeausoftware.com/articles/2007/09/php_tip_how_strip_symbol_characters_web_page
 */
function _strip_symbols($text) {
  $plus = '\\+\\x{FE62}\\x{FF0B}\\x{208A}\\x{207A}';
  $minus = '\\x{2012}\\x{208B}\\x{207B}';
  $units = '\\x{00B0}\\x{2103}\\x{2109}\\x{23CD}';
  $units .= '\\x{32CC}-\\x{32CE}';
  $units .= '\\x{3300}-\\x{3357}';
  $units .= '\\x{3371}-\\x{33DF}';
  $units .= '\\x{33FF}';
  $ideo = '\\x{2E80}-\\x{2EF3}';
  $ideo .= '\\x{2F00}-\\x{2FD5}';
  $ideo .= '\\x{2FF0}-\\x{2FFB}';
  $ideo .= '\\x{3037}-\\x{303F}';
  $ideo .= '\\x{3190}-\\x{319F}';
  $ideo .= '\\x{31C0}-\\x{31CF}';
  $ideo .= '\\x{32C0}-\\x{32CB}';
  $ideo .= '\\x{3358}-\\x{3370}';
  $ideo .= '\\x{33E0}-\\x{33FE}';
  $ideo .= '\\x{A490}-\\x{A4C6}';
  return preg_replace(array(
    // Remove modifier and private use symbols.
    '/[\\p{Sk}\\p{Co}]/u',
    // Remove math symbols except + - = ~ and fraction slash.
    '/\\p{Sm}(?<![' . $plus . $minus . '=~\\x{2044}])/u',
    // Remove + - if space before, no number or currency after.
    '/((?<= )|^)[' . $plus . $minus . ']+((?![\\p{N}\\p{Sc}])|$)/u',
    // Remove = if space before.
    '/((?<= )|^)=+/u',
    // Remove + - = ~ if space after.
    '/[' . $plus . $minus . '=~]+((?= )|$)/u',
    // Remove other symbols except units and ideograph parts.
    '/\\p{So}(?<![' . $units . $ideo . '])/u',
    // Remove consecutive white space.
    '/ +/',
  ), ' ', $text);
}

/**
 * Remove HTML tags, including invisible text such as style and
 * script code, and embedded objects.  Add line breaks around
 * block-level tags to prevent word joining after tag removal.
 */
function _strip_html_tags($text) {
  $text = preg_replace(array(
    // Remove invisible content.
    '@<head[^>]*?>.*?</head>@siu',
    '@<style[^>]*?>.*?</style>@siu',
    '@<script[^>]*?.*?</script>@siu',
    '@<object[^>]*?.*?</object>@siu',
    '@<embed[^>]*?.*?</embed>@siu',
    '@<applet[^>]*?.*?</applet>@siu',
    '@<noframes[^>]*?.*?</noframes>@siu',
    '@<noscript[^>]*?.*?</noscript>@siu',
    '@<noembed[^>]*?.*?</noembed>@siu',
    // Add line breaks before and after blocks.
    '@</?((address)|(blockquote)|(center)|(del))@iu',
    '@</?((div)|(h[1-9])|(ins)|(isindex)|(p)|(pre))@iu',
    '@</?((dir)|(dl)|(dt)|(dd)|(li)|(menu)|(ol)|(ul))@iu',
    '@</?((table)|(th)|(td)|(caption))@iu',
    '@</?((form)|(button)|(fieldset)|(legend)|(input))@iu',
    '@</?((label)|(select)|(optgroup)|(option)|(textarea))@iu',
    '@</?((frameset)|(frame)|(iframe))@iu',
  ), array(
    ' ',
    ' ',
    ' ',
    ' ',
    ' ',
    ' ',
    ' ',
    ' ',
    ' ',
    "\n\$0",
    "\n\$0",
    "\n\$0",
    "\n\$0",
    "\n\$0",
    "\n\$0",
    "\n\$0",
    "\n\$0",
  ), $text);
  return strip_tags($text);
}

Functions

Name	Description
biblio_coins
biblio_coins_generate
biblio_contextObject
biblio_normalize_title
_strip_html_tags	Remove HTML tags, including invisible text such as style and script code, and embedded objects. Add line breaks around block-level tags to prevent word joining after tag removal.
_strip_punctuation
_strip_punctuation_utf8	Copyright (c) 2008, David R. Nadeau, NadeauSoftware.com. All rights reserved.
_strip_symbols	Copyright (c) 2008, David R. Nadeau, NadeauSoftware.com. All rights reserved.