spip_nursit/ecrire/public/decompiler.php

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2023-06-01 15:30:12 +00:00
<?php
/***************************************************************************\
* SPIP, Systeme de publication pour l'internet *
* *
* Copyright (c) 2001-2019 *
* Arnaud Martin, Antoine Pitrou, Philippe Riviere, Emmanuel Saint-James *
* *
* Ce programme est un logiciel libre distribue sous licence GNU/GPL. *
* Pour plus de details voir le fichier COPYING.txt ou l'aide en ligne. *
\***************************************************************************/
if (!defined('_ECRIRE_INC_VERSION')) {
return;
}
// Decompilation de l'arbre de syntaxe abstraite d'un squelette SPIP
function decompiler_boucle($struct, $fmt = '', $prof = 0) {
$nom = $struct->id_boucle;
$avant = decompiler_($struct->avant, $fmt, $prof);
$apres = decompiler_($struct->apres, $fmt, $prof);
$altern = decompiler_($struct->altern, $fmt, $prof);
$milieu = decompiler_($struct->milieu, $fmt, $prof);
$type = $struct->sql_serveur ? "$struct->sql_serveur:" : '';
$type .= ($struct->type_requete ? $struct->type_requete :
$struct->table_optionnelle);
if ($struct->jointures_explicites) {
$type .= " " . $struct->jointures_explicites;
}
if ($struct->table_optionnelle) {
$type .= "?";
}
// Revoir le cas de la boucle recursive
$crit = $struct->param;
if ($crit and !is_array($crit[0])) {
$type = strtolower($type) . array_shift($crit);
}
$crit = decompiler_criteres($struct, $fmt, $prof);
$f = 'format_boucle_' . $fmt;
return $f($avant, $nom, $type, $crit, $milieu, $apres, $altern, $prof);
}
function decompiler_include($struct, $fmt = '', $prof = 0) {
$res = array();
foreach ($struct->param ? $struct->param : array() as $couple) {
array_shift($couple);
foreach ($couple as $v) {
$res[] = decompiler_($v, $fmt, $prof);
}
}
$file = is_string($struct->texte) ? $struct->texte :
decompiler_($struct->texte, $fmt, $prof);
$f = 'format_inclure_' . $fmt;
return $f($file, $res, $prof);
}
function decompiler_texte($struct, $fmt = '', $prof = 0) {
$f = 'format_texte_' . $fmt;
return strlen($struct->texte) ? $f($struct->texte, $prof) : '';
}
function decompiler_polyglotte($struct, $fmt = '', $prof = 0) {
$f = 'format_polyglotte_' . $fmt;
return $f($struct->traductions, $prof);
}
function decompiler_idiome($struct, $fmt = '', $prof = 0) {
$args = array();
foreach ($struct->arg as $k => $v) {
$args[$k] = public_decompiler($v, $fmt, $prof);
}
$filtres = decompiler_liste($struct->param, $fmt, $prof);
$f = 'format_idiome_' . $fmt;
return $f($struct->nom_champ, $struct->module, $args, $filtres, $prof);
}
function decompiler_champ($struct, $fmt = '', $prof = 0) {
$avant = decompiler_($struct->avant, $fmt, $prof);
$apres = decompiler_($struct->apres, $fmt, $prof);
$args = $filtres = '';
if ($p = $struct->param) {
if ($p[0][0] === '') {
$args = decompiler_liste(array(array_shift($p)), $fmt, $prof);
}
$filtres = decompiler_liste($p, $fmt, $prof);
}
$f = 'format_champ_' . $fmt;
return $f($struct->nom_champ, $struct->nom_boucle, $struct->etoile, $avant, $apres, $args, $filtres, $prof);
}
function decompiler_liste($sources, $fmt = '', $prof = 0) {
if (!is_array($sources)) {
return '';
}
$f = 'format_liste_' . $fmt;
$res = '';
foreach ($sources as $arg) {
if (!is_array($arg)) {
continue; // ne devrait pas arriver.
} else {
$r = array_shift($arg);
}
$args = array();
foreach ($arg as $v) {
// cas des arguments entoures de ' ou "
if ((count($v) == 1)
and $v[0]->type == 'texte'
and (strlen($v[0]->apres) == 1)
and $v[0]->apres == $v[0]->avant
) {
$args[] = $v[0]->avant . $v[0]->texte . $v[0]->apres;
} else {
$args[] = decompiler_($v, $fmt, 0 - $prof);
}
}
if (($r !== '') or $args) {
$res .= $f($r, $args, $prof);
}
}
return $res;
}
// Decompilation des criteres: on triche et on deroge:
// - le phraseur fournit un bout du source en plus de la compil
// - le champ apres signale le critere {"separateur"} ou {'separateur'}
// - les champs sont implicitement etendus (crochets implicites mais interdits)
function decompiler_criteres($boucle, $fmt = '', $prof = 0) {
$sources = $boucle->param;
if (!is_array($sources)) {
return '';
}
$res = '';
$f = 'format_critere_' . $fmt;
foreach ($sources as $crit) {
if (!is_array($crit)) {
continue;
} // boucle recursive
array_shift($crit);
$args = array();
foreach ($crit as $i => $v) {
if ((count($v) == 1)
and $v[0]->type == 'texte'
and $v[0]->apres
) {
$args[] = array(array('texte', ($v[0]->apres . $v[0]->texte . $v[0]->apres)));
} else {
$res2 = array();
foreach ($v as $k => $p) {
if (isset($p->type)
and function_exists($d = 'decompiler_' . $p->type)
) {
$r = $d($p, $fmt, (0 - $prof), @$v[$k + 1]);
$res2[] = array($p->type, $r);
} else {
spip_log("critere $i / $k mal forme");
}
}
$args[] = $res2;
}
}
$res .= $f($args);
}
return $res;
}
function decompiler_($liste, $fmt = '', $prof = 0) {
if (!is_array($liste)) {
return '';
}
$prof2 = ($prof < 0) ? ($prof - 1) : ($prof + 1);
$contenu = array();
foreach ($liste as $k => $p) {
if (!isset($p->type)) {
continue;
} #??????
$d = 'decompiler_' . $p->type;
$next = isset($liste[$k + 1]) ? $liste[$k + 1] : false;
// Forcer le champ etendu si son source (pas les reecritures)
// contenait des args et s'il est suivi d'espaces,
// le champ simple les eliminant est un bug helas perenne.
if ($next
and ($next->type == 'texte')
and $p->type == 'champ'
and !$p->apres
and !$p->avant
and $p->fonctions
) {
$n = strlen($next->texte) - strlen(ltrim($next->texte));
if ($n) {
$champ = new Texte;
$champ->texte = substr($next->texte, 0, $n);
$champ->ligne = $p->ligne;
$p->apres = array($champ);
$next->texte = substr($next->texte, $n);
}
}
$contenu[] = array($d($p, $fmt, $prof2), $p->type);
}
$f = 'format_suite_' . $fmt;
return $f($contenu);
}
function public_decompiler($liste, $fmt = '', $prof = 0, $quoi = '') {
if (!include_spip('public/format_' . $fmt)) {
return "'$fmt'?";
}
$f = 'decompiler_' . $quoi;
return $f($liste, $fmt, $prof);
}