biblio_ipni.module in Biblio Autocomplete 7

Provides autocompletion of Biblio fields from IPNI.

Plugin for the biblio_autocomplete module to be able to autocomplete fields from the International Plant Names Index.

File

plugins/biblio_ipni/biblio_ipni.module

<?php

/**
 * @file
 * Provides autocompletion of Biblio fields from IPNI.
 *
 * Plugin for the biblio_autocomplete module to be able to autocomplete
 * fields from the International Plant Names Index.
 */

/**
 * Implements hook_biblio_autocomplete_info().
 *
 * @return $fields
 *   An array of Biblio fields with associated autocomplete data.
 *   Format:
 *     'biblio_field_to_autocomplete' => array('function' => 'autocomplete_callback_function')
 */
function biblio_ipni_biblio_autocomplete_info() {
  $fields = array(
    'biblio_secondary_title' => array(
      'function' => 'biblio_ipni_autocomplete_publication',
    ),
    'biblio_alternate_title' => array(
      'function' => 'biblio_ipni_autocomplete_publication',
    ),
    'biblio_original_publication' => array(
      'function' => 'biblio_ipni_autocomplete_publication',
    ),
    'biblio_short_title' => array(
      'function' => 'biblio_ipni_autocomplete_short_publication',
    ),
    'title' => array(
      'function' => 'biblio_ipni_autocomplete_publication',
    ),
    'biblio_authors' => array(
      'function' => 'biblio_ipni_autocomplete_author_short',
    ),
  );
  return $fields;
}

/**
 *
 * Gets a list of potential publication matches for the autocomplete
 *
 * @param $string
 *   Text string to try and match
 *
 * @return $return_matches
 *   An array of autocomplete results for use in biblio_autocomple_json().
 *   Format:
 *     array(
 *       'key' => 'value to put in biblio field',
 *       'description' => 'can be the same as key or contain extra information to help use decide',
 *       'provider' => 'source of the autocmplete information',
 *     )
 */
function biblio_ipni_autocomplete_publication($string) {
  $ipni_matches = biblio_ipni_get_publication_data($string);
  $return_matches = array();
  foreach ($ipni_matches as $result) {
    $return_matches[] = array(
      'key' => $result[3],
      'description' => $result[3],
      'provider' => 'IPNI',
    );
  }
  return $return_matches;
}

/**
 *
 * Gets a list of potential short (abbreviated) publication matches for the autocomplete
 *
 * @param $string
 *   Text string to try and match
 *
 * @return $return_matches
 *   An array of autocomplete results for use in biblio_autocomple_json().
 *   Format:
 *     array(
 *       'key' => 'value to put in biblio field',
 *       'description' => 'can be the same as key or contain extra information to help use decide',
 *       'provider' => 'source of the autocmplete information',
 *     )
 */
function biblio_ipni_autocomplete_short_publication($string) {
  $ipni_matches = biblio_ipni_get_publication_data_short($string);
  foreach ($ipni_matches as $result) {
    $return_matches[] = array(
      'key' => $result[2],
      'description' => $result[2] . ' | ' . $result[3],
      'provider' => 'IPNI',
    );
  }
  return $return_matches;
}

/**
 *
 * Function to get publication data from IPNI
 *
 * @param $string
 *   Text string to try and match
 *
 * @return $ipni_matches
 *   An array of matched data from IPNI
 */
function biblio_ipni_get_publication_data($string) {
  $ipni_result = file_get_contents('http://www.ipni.org/ipni/advPublicationSearch.do?find_title=' . str_replace(' ', '+', $string) . '&output_format=delimited');
  $ipni_matches = biblio_ipni_process_file($ipni_result);
  return $ipni_matches;
}

/**
 *
 * Function to get short publication data from IPNI
 *
 * @param $string
 *   Text string to try and match
 *
 * @return $ipni_matches
 *   An array of matched data from IPNI
 */
function biblio_ipni_get_publication_data_short($string) {
  $ipni_result = file_get_contents('http://www.ipni.org/ipni/advPublicationSearch.do?find_abbreviation=' . str_replace(' ', '+', $string) . '&output_format=delimited');
  $ipni_matches = biblio_ipni_process_file($ipni_result);
  return $ipni_matches;
}

/**
 *
 * Gets a list of potential author matches for the autocomplete
 *
 * @param $string
 *   Text string to try and match
 *
 * @return $return_matches
 *   An array of autocomplete results for use in biblio_autocomple_json().
 *   Format:
 *     array(
 *       'key' => 'value to put in biblio field',
 *       'description' => 'can be the same as key or contain extra information to help use decide',
 *       'provider' => 'source of the autocmplete information',
 *     )
 */
function biblio_ipni_autocomplete_author_short($string) {
  $ipni_matches = biblio_ipni_get_author_data($string);
  foreach ($ipni_matches as $result) {
    $return_matches[$result[5]] = $result[2];
    $return_matches[] = array(
      'key' => $result[5],
      'description' => $result[2],
      'provider' => 'IPNI',
    );
  }
  return $return_matches;
}

/**
 *
 * Function to get author data from IPNI
 *
 * @param $string
 *   Text string to try and match
 *
 * @return $ipni_matches
 *   An array of matched data from IPNI
 */
function biblio_ipni_get_author_data($string) {
  $ipni_result = file_get_contents('http://www.ipni.org/ipni/advAuthorSearch.do?find_abbreviation=' . str_replace(' ', '+', $string) . '&output_format=delimited');
  $ipni_matches = biblio_ipni_process_file($ipni_result);
  return $ipni_matches;
}

/**
 *
 * IPNI data is delimited by newlines and the % character, this function parses
 * this format into an array
 *
 * @param $file
 *   Input file from IPNI
 *
 * @return $ipni_matches
 *   An array of data parsed from $file
 */
function biblio_ipni_process_file($file) {
  $ipni_result = explode("\n", $file);
  $i = 0;
  $ipni_matches = array();
  foreach ($ipni_result as $result) {
    $i++;
    $ipni_matches[] = explode('%', $result);
    if ($i > 10) {
      break;
    }
  }
  array_shift($ipni_matches);
  array_walk($ipni_matches, 'biblio_ipni_clean');
  return $ipni_matches;
}

/**
 *
 * Function called by array_walk() in biblio_ipni_process_file() to remove
 * artefacts from the IPNI data
 *
 * @param $value
 */
function biblio_ipni_clean(&$value) {
  if (is_array($value)) {
    array_walk($value, 'biblio_ipni_clean');
  }
  else {
    if (drupal_substr($value, 0, 1) == '>') {
      $value = drupal_substr($value, 1);
    }
  }
}

Functions

Name	Description
biblio_ipni_autocomplete_author_short	Gets a list of potential author matches for the autocomplete
biblio_ipni_autocomplete_publication	Gets a list of potential publication matches for the autocomplete
biblio_ipni_autocomplete_short_publication	Gets a list of potential short (abbreviated) publication matches for the autocomplete
biblio_ipni_biblio_autocomplete_info	Implements hook_biblio_autocomplete_info().
biblio_ipni_clean	Function called by array_walk() in biblio_ipni_process_file() to remove artefacts from the IPNI data
biblio_ipni_get_author_data	Function to get author data from IPNI
biblio_ipni_get_publication_data	Function to get publication data from IPNI
biblio_ipni_get_publication_data_short	Function to get short publication data from IPNI
biblio_ipni_process_file	IPNI data is delimited by newlines and the % character, this function parses this format into an array