From 0956138b3dae192c3bb8db2b769e7526d1ec489e Mon Sep 17 00:00:00 2001 From: Silvio Date: Fri, 20 Aug 2010 18:49:49 -0300 Subject: Adding simple search app --- apps/search.php | 48 +++++++++++++++++++ classes/IsisFinder.php | 122 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 170 insertions(+) create mode 100644 apps/search.php diff --git a/apps/search.php b/apps/search.php new file mode 100644 index 0000000..cd75339 --- /dev/null +++ b/apps/search.php @@ -0,0 +1,48 @@ +formInputText('entry', $entry); +$form .= $display->formInputText('fid', $fid); +$form .= $display->formInputText('sid', $sid); +$form .= $display->formInputText('text', $text); +$script = basename(__FILE__); +$display->form($form, $script); + +// Get a db instance. +$isis = new IsisFinder(); + +// Setup database and entry number. +if ($isis) { + // Query database. + $field = $isis->getFieldArray($fid); + $item = ($sid == 'main') ? 'main' : $isis->getSubfieldName($fid, $sid); + list($entry, $result) = $isis->nextResult($field, $item, $text, $entry); + + // Navigation bar. + $display->navbar($entry, $isis->entries, $script, '&fid='. $fid . '&sid='. $sid . '&text='. $text); + + // Format output. + $display->pre("Selected field: $fid: ". $field['name'] ."."); + $display->pre("Selected item: $sid: $item."); + $display->pre("Showing entry ". $display->entryLink($entry) ." from ". $isis->entries ." total entries."); + $display->pre("Repetitions found: ". count($result[$field['name']]) ."."); + $display->dump($result[$field['name']]); +} + +$display->footer(); diff --git a/classes/IsisFinder.php b/classes/IsisFinder.php index 7f7405d..a4da3a0 100644 --- a/classes/IsisFinder.php +++ b/classes/IsisFinder.php @@ -94,4 +94,126 @@ class IsisFinder extends IsisConnector { return FALSE; } + + /** + * Search the next match inside a result. + * + * @param $field + * Field data. + * + * @param $item + * Item name (main field or subfield). + * + * @param $search + * Search token. + * + * @param $entry + * Start entry number to begin the search. + * + * @param $match + * Set to false do find the next result where the + * item has not the token specified in $search. + */ + public function nextResult($field, $item, $search, $entry = 1, $match = TRUE) { + do { + // Get the next entry that has the field/subfield we'll look at. + if ($item = 'main') { + $next = $this->nextField($field, $entry); + } + else { + $next = $this->nextSubfield($field, $item, $entry); + } + + // Check if there's a next matching field/subfield. + if ($next === FALSE) { + break; + } + else { + list($entry, $result) = $next; + } + + // Search for any occurrence. + foreach (new IsisRowIterator($this, $field) as $row) { + if ($item = 'main') { + $verify = $this->matchMainItem($field, $row, $search, $match); + } + else { + $verify = $this->matchSubfield($field, $row, $search, $match); + } + + if ($verify !== FALSE) + { + return array($entry, $result); + } + } + } + while ($entry++); + } + + /** + * Check if a main item match a given value. + * + * @param $field + * Field data. + * + * @param $row + * Row number. + * + * @param $search + * Search token. + * + * @param $match + * Set to false do find the next result where the + * item has not the token specified in $search. + * + * @return + * True if match, false otherwise. + */ + public function matchMainItem($field, $row, $search, $match) { + if ($this->getMainItem($field, $row) == $search) { + if ($match) { + return TRUE; + } + } + elseif (!$match) { + return TRUE; + } + + return FALSE; + } + + /** + * Check if a subfield match a given value. + * + * @param $field + * Field data. + * + * @param $subfield + * Subfield name. + * + * @param $row + * Row number. + * + * @param $search + * Search token. + * + * @param $match + * Set to false do find the next result where the + * item has not the token specified in $search. + * + * @return + * True if match, false otherwise. + */ + public function matchSubfield($field, $subfield, $row, $search, $match) { + if ($this->getSubfield($field, $subfield, $row) == $search) { + if ($match) { + return TRUE; + } + elseif (!$match) { + return TRUE; + } + } + + return FALSE; + } } -- cgit v1.2.3