123 lines
4.6 KiB
PHP
123 lines
4.6 KiB
PHP
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<?php
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/***************************************************************************\
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* SPIP, Systeme de publication pour l'internet *
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* *
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* Copyright (c) 2001-2019 *
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* Arnaud Martin, Antoine Pitrou, Philippe Riviere, Emmanuel Saint-James *
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* *
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* Ce programme est un logiciel libre distribue sous licence GNU/GPL. *
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* Pour plus de details voir le fichier COPYING.txt ou l'aide en ligne. *
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\***************************************************************************/
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/**
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* Gestion du surlignage des mots d'une recherche
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*
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* @package SPIP\Core\Surligne
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**/
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if (!defined('_ECRIRE_INC_VERSION')) {
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return;
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}
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/**
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* Ancien marqueur de début de surlignement
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*
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* @see balise_DEBUT_SURLIGNE_dist()
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* @deprecated N'a plus d'effet
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**/
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define('MARQUEUR_SURLIGNE', 'debut_surligneconditionnel');
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/**
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* Ancien marqueur de fin de surlignement
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*
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* @see balise_FIN_SURLIGNE_dist()
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* @deprecated N'a plus d'effet
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**/
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define('MARQUEUR_FSURLIGNE', 'finde_surligneconditionnel');
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/**
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* Ajoute au HTML un script JS surlignant une recherche indiquée et/ou issue des réferers
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*
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* Ajoute à la page HTML, seulement si des mots de recherches sont présents,
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* — soit transmis, soit dans un réferer de moteur de recherche —
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* un script qui s'occupera de les surligner. Le script est placé dans
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* le head HTML si le texte en possède un, sinon à la fin.
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*
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* @param string $page
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* Page HTML
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* @param string $surcharge_surligne
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* Mots à surligner transmis
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* @return string
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* Page HTML
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**/
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function surligner_mots($page, $surcharge_surligne = '') {
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$surlignejs_engines = array(
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array(
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"," . str_replace(array("/", "."), array("\/", "\."), $GLOBALS['meta']['adresse_site']) . ",i",
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",recherche=([^&]+),i"
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), //SPIP
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array(",^http://(www\.)?google\.,i", ",q=([^&]+),i"), // Google
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array(",^http://(www\.)?search\.yahoo\.,i", ",p=([^&]+),i"), // Yahoo
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array(",^http://(www\.)?search\.msn\.,i", ",q=([^&]+),i"), // MSN
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array(",^http://(www\.)?search\.live\.,i", ",query=([^&]+),i"), // MSN Live
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array(",^http://(www\.)?search\.aol\.,i", ",userQuery=([^&]+),i"), // AOL
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array(",^http://(www\.)?ask\.com,i", ",q=([^&]+),i"), // Ask.com
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array(",^http://(www\.)?altavista\.,i", ",q=([^&]+),i"), // AltaVista
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array(",^http://(www\.)?feedster\.,i", ",q=([^&]+),i"), // Feedster
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array(",^http://(www\.)?search\.lycos\.,i", ",q=([^&]+),i"), // Lycos
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array(",^http://(www\.)?alltheweb\.,i", ",q=([^&]+),i"), // AllTheWeb
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array(",^http://(www\.)?technorati\.com,i", ",([^\?\/]+)(?:\?.*)$,i"), // Technorati
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);
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$ref = $_SERVER['HTTP_REFERER'];
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//avoid a js injection
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if ($surcharge_surligne) {
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$surcharge_surligne = preg_replace(",(?<!\\\\)((?:(?>\\\\){2})*)('),", "$1\\\\$2", $surcharge_surligne);
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$surcharge_surligne = str_replace("\\", "\\\\", $surcharge_surligne);
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if ($GLOBALS['meta']['charset'] == 'utf-8') {
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include_spip('inc/charsets');
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if (!is_utf8($surcharge_surligne)) {
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$surcharge_surligne = utf8_encode($surcharge_surligne);
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}
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}
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$surcharge_surligne = preg_replace(',\*$,', '', trim($surcharge_surligne)); # supprimer un * final
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}
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foreach ($surlignejs_engines as $engine) {
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if ($surcharge_surligne || (preg_match($engine[0], $ref) && preg_match($engine[1], $ref))) {
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//good referrer found or var_recherche is not null
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include_spip('inc/filtres');
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$script = "
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<script type='text/javascript' src='" . url_absolue(find_in_path('javascript/SearchHighlight.js')) . "'></script>
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<script type='text/javascript'>/*<![CDATA[*/
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if (window.jQuery)
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(function(\$){\$(function(){
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\$(document).SearchHighlight({
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tag_name:'" . (html5_permis() ? 'mark' : 'span') . "',
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style_name:'spip_surligne',
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exact:'whole',
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style_name_suffix:false,
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engines:[/^" . str_replace(array("/", "."), array("\/", "\."), $GLOBALS['meta']['adresse_site']) . "/i,/recherche=([^&]+)/i],
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highlight:'.surlignable',
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nohighlight:'.pas_surlignable'" .
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($surcharge_surligne ? ",
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keys:'$surcharge_surligne'" : "") . ",
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min_length: 3
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})
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});
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})(jQuery);
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/*]]>*/</script>
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";
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// on l'insere juste avant </head>, sinon tout en bas
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if (is_null($l = strpos($page, '</head>'))) {
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$l = strlen($page);
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}
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$page = substr_replace($page, $script, $l, 0);
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break;
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}
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}
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return $page;
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}
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