/**
* Rewrite markuped XHTML back to plain Text. AJAX callback
*
* @author Andreas Gohr <*****@*****.**>
*/
function spell_resume()
{
$text = $_POST['data'];
//some browsers insert newlines instead of spaces
$text = preg_replace("/(\r\n|\n|\r)/", ' ', $text);
$text = preg_replace("=<br */?>=i", "\n", $text);
// remove HTML tags
$text = strip_tags($text);
// restore spaces
$text = preg_replace('/ /', ' ', $text);
$text = preg_replace('/\\xC2\\xA0/', ' ', $text);
// restore quoted special chars
$text = unhtmlspecialchars($text);
// check if UTF-8 is accepted
if (!$_POST['utf8']) {
// protect '&' (gets removed in JS later)
$text = str_replace('&', '&', $text);
// encode multibyte chars as entities for broken Konqueror
$text = utf8_tohtml($text);
}
// output
print $text;
}
function test_from_4byte()
{
$in = "";
$out = '􀀁';
$this->assertEqual(utf8_tohtml($in), $out);
}
/**
* Parses a projection group in 'long syntax'.
*/
function parseFieldsLong($lines, &$typemap)
{
$p = $this->getPatterns();
$result = array();
foreach ($lines as $lineNode) {
$line = trim($lineNode['text']);
// FIELDLONG := VARIABLE AGGREGATE? TYPE? (':' ANY)?
if (preg_match("/^({$p->variable})\\s*({$p->aggregate})?\\s*({$p->type})?(?:\\s*(:)\\s*({$p->any})?\\s*)?\$/S", $line, $match)) {
list(, $var, $vaggregate, $vtype, $nocaphint, $caption) = $match;
$variable = $p->variable($var)->name;
if (!$nocaphint || !$nocaphint && !$caption) {
$caption = ucfirst($variable);
}
list($type, $hint) = $p->type($vtype);
list($agg, $agghint) = $p->aggregate($vaggregate);
$this->updateTypemap($typemap, $variable, $type, $hint);
$result[] = array('variable' => $variable, 'caption' => $caption, 'aggregate' => $agg, 'aggregateHint' => $agghint, 'type' => $type, 'hint' => $hint);
} else {
$this->_fail(sprintf($this->getLang('error_query_fieldsline'), utf8_tohtml(hsc($line))), $lineNode);
}
}
return $result;
}
function handle($match, $state, $pos, &$handler)
{
$result = array('entry' => '', 'data' => array($this->util->getIsaKey(false) => array(), $this->util->getTitleKey(false) => array()));
// allow for preprocessing by a subclass
$match = $this->preprocess($match, $state, $pos, $handler, $result);
$lines = explode("\n", $match);
$header = trim(array_shift($lines));
$footer = trim(array_pop($lines));
// allow subclasses to mangle header
$header = $this->handleHeader($header, $result);
// extract header, and match it to get classes and fragment
preg_match('/^( +[^#>]+)?(?: *#([^>]*?))?$/', $header, $header);
// process the classes into triples
foreach (preg_split('/\\s+/', trim($header[1])) as $class) {
if ($class == '') {
continue;
}
$result['data'][$this->util->getIsaKey(false)][] = array('value' => $class, 'type' => 'text', 'hint' => null);
}
// process the fragment if necessary
$result['entry'] = $header[2];
$result['position'] = $pos;
if ($result['entry'] != '') {
$result['title candidate'] = array('value' => $result['entry'], 'type' => 'text', 'hint' => null);
}
// parse tree
$tree = $this->syntax->constructTree($lines, 'data entry');
// allow subclasses first pick in the tree
$this->handleBody($tree, $result);
// fetch all lines
$lines = $this->syntax->extractText($tree);
// sanity check
if (count($tree['cs'])) {
msg(sprintf($this->syntax->getLang('error_entry_block'), $tree['cs'][0]['tag'] ? sprintf($this->syntax->getLang('named_group'), utf8_tohtml(hsc($tree['cs'][0]['tag']))) : $this->syntax->getLang('unnamed_group'), utf8_tohtml(hsc($result['entry']))), -1);
return array();
}
$p = $this->syntax->getPatterns();
// now handle all lines
foreach ($lines as $line) {
$line = $line['text'];
// match a "property_type(hint)*: value" pattern
// (the * is only used to indicate that the value is actually a comma-seperated list)
// [grammar] ENTRY := PREDICATE TYPE? '*'? ':' ANY
if (preg_match("/^({$p->predicate})\\s*({$p->type})?\\s*(\\*)?\\s*:\\s*({$p->any}?)\$/", $line, $parts)) {
// assign useful names
list(, $property, $ptype, $multi, $values) = $parts;
list($type, $hint) = $p->type($ptype);
// trim property so we don't get accidental 'name ' keys
$property = utf8_trim($property);
// lazy create key bucket
if (!isset($result['data'][$property])) {
$result['data'][$property] = array();
}
// determine values, splitting on commas if necessary
$values = $multi == '*' ? explode(',', $values) : array($values);
// generate triples from the values
foreach ($values as $v) {
$v = utf8_trim($v);
if ($v == '') {
continue;
}
// replace the [[]] quasi-magic token with the empty string
if ($v == '[[]]') {
$v = '';
}
if (!isset($type) || $type == '') {
list($type, $hint) = $this->util->getDefaultType();
}
$result['data'][$property][] = array('value' => $v, 'type' => $type, 'hint' => $hint ?: null);
}
} else {
msg(sprintf($this->syntax->getLang('error_entry_line'), utf8_tohtml(hsc($line))), -1);
}
}
// normalize data:
// - Normalize all values
$buckets = $result['data'];
$result['data'] = array();
foreach ($buckets as $property => &$bucket) {
// normalize the predicate
$property = $this->util->normalizePredicate($property);
// process all triples
foreach ($bucket as &$triple) {
// normalize the value
$type = $this->util->loadType($triple['type']);
$triple['value'] = $type->normalize($triple['value'], $triple['hint']);
// lazy create property bucket
if (!isset($result['data'][$property])) {
$result['data'][$property] = array();
}
$result['data'][$property][] = $triple;
}
}
// normalize title candidate
if (!empty($result['title candidate'])) {
$type = $this->util->loadType($result['title candidate']['type']);
$result['title candidate']['value'] = $type->normalize($result['title candidate']['value'], $result['title candidate']['hint']);
}
$footer = $this->handleFooter($footer, $result);
return $result;
}
function handle($match, $state, $pos, &$handler)
{
try {
$result = array();
$typemap = array();
// allow subclass handling of the whole match
$match = $this->preprocess($match, $state, $pos, $handler, $result, $typemap);
// split into lines and remove header and footer
$lines = explode("\n", $match);
$header = trim(array_shift($lines));
$footer = trim(array_pop($lines));
// allow subclass header handling
$header = $this->handleHeader($header, $result, $typemap);
// parse projection information in 'short syntax' if available
if (trim($header) != '') {
$result['fields'] = $this->helper->parseFieldsShort($header, $typemap);
}
$tree = $this->helper->constructTree($lines, 'query');
// parse long fields, if available
$longFields = $this->helper->getFields($tree, $typemap);
// check double data
if (count($result['fields']) && count($longFields)) {
$this->helper->_fail($this->getLang('error_query_bothfields'));
}
// assign longfields if necessary
if (count($result['fields']) == 0) {
$result['fields'] = $longFields;
}
// check no data
if (count($result['fields']) == 0) {
$this->helper->_fail($this->helper->getLang('error_query_noselect'));
}
// determine the variables to project
$projection = array();
foreach ($result['fields'] as $f) {
$projection[] = $f['variable'];
}
$projection = array_unique($projection);
// allow subclass body handling
$this->handleBody($tree, $result, $typemap);
// parse UI group
$this->handleUI($tree, $result, $typemap);
// parse the query itself
list($result['query'], $variables) = $this->helper->constructQuery($tree, $typemap, $projection);
// allow subclass footer handling
$footer = $this->handleFooter($footer, $result, $typemap, $variable);
// check projected variables and load types
foreach ($result['fields'] as $i => $f) {
$var = $f['variable'];
if (!in_array($var, $variables)) {
$this->helper->_fail(sprintf($this->helper->getLang('error_query_unknownselect'), utf8_tohtml(hsc($var))));
}
if (empty($f['type'])) {
if (!empty($typemap[$var])) {
$result['fields'][$i] = array_merge($result['fields'][$i], $typemap[$var]);
} else {
list($type, $hint) = $this->util->getDefaultType();
$result['fields'][$i]['type'] = $type;
$result['fields'][$i]['hint'] = $hint;
}
}
}
return $result;
} catch (strata_exception $e) {
return array('error' => array('message' => $e->getMessage(), 'regions' => $e->getData(), 'lines' => $lines));
}
}