From d77a34b3aa1eaa313d1055580bddd1cb38556fef Mon Sep 17 00:00:00 2001
From: Silvio <silvio@devlet.com.br>
Date: Tue, 17 Aug 2010 15:24:03 -0300
Subject: Adding a subfield finder

---
 classes/helpers/CinisisHttpHelper.php | 37 ++++++++++++++++++++---
 tests/subfield.php                    | 55 +++++++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+), 4 deletions(-)
 create mode 100644 tests/subfield.php

diff --git a/classes/helpers/CinisisHttpHelper.php b/classes/helpers/CinisisHttpHelper.php
index eae8a8d..5ff8984 100644
--- a/classes/helpers/CinisisHttpHelper.php
+++ b/classes/helpers/CinisisHttpHelper.php
@@ -5,23 +5,52 @@
  */
 class CinisisHttpHelper {
   /**
-   * Get a numeric argument.
+   * Get an argument.
    *
    * @param $name
    *   Argument name.
    *
+   * @param $mixed
+   *   Default value.
+   *
    * @return
    *   Argument value.
    */
-  static function get_numeric_arg($name) {
+  static function get_arg($name, $default = 1) {
     // Get the query parameter.
     if (isset($_GET[$name]) && ! empty($_GET[$name])) {
-      $arg = (int) $_GET[$name];
+      $arg = $_GET[$name];
     }
     else {
-      $arg = 1;
+      $arg = $default;
     }  
 
     return $arg;
   }
+
+  /**
+   * Get a numeric argument.
+   *
+   * @param $name
+   *   Argument name.
+   *
+   * @return
+   *   Argument value.
+   */
+  static function get_numeric_arg($name) {
+    return (int) self::get_arg($name, 1);
+  }
+
+  /**
+   * Get a string argument.
+   *
+   * @param $name
+   *   Argument name.
+   *
+   * @return
+   *   Argument value.
+   */
+  static function get_textual_arg($name) {
+    return (string) self::get_arg($name, 'a');
+  }
 }
diff --git a/tests/subfield.php b/tests/subfield.php
new file mode 100644
index 0000000..892f2b5
--- /dev/null
+++ b/tests/subfield.php
@@ -0,0 +1,55 @@
+<?php
+/**
+ * Cinisis - Isis db reading tool.
+ */
+
+// Import requisites.
+require_once '../index.php';
+
+// Get input data.
+$entry    = CinisisHttpHelper::get_numeric_arg('entry');
+$field    = CinisisHttpHelper::get_numeric_arg('field');
+$subfield = CinisisHttpHelper::get_textual_arg('subfield');
+
+// Draw the document.
+$display = new CinisisDisplayHelper('Subfield finder');
+$form    = $display->form_input_text('entry', $entry);
+$form   .= $display->form_input_text('field', $field);
+$form   .= $display->form_input_text('subfield', $subfield);
+$display->form($form, 'subfield.php');
+
+// Get a db instance.
+$isis = new CinisisDb();
+
+// Setup database and entry number.
+if ($isis->db) {
+  // Get the number of entries.
+  $field_name    = $isis->db->format['fields'][$field]['name'];
+  $subfield_name = $isis->db->format['fields'][$field]['subfields'][$subfield];
+  $entries       = $isis->db->entries();
+  $entry--;
+
+  // Query database.
+  do {
+    $result = $isis->db->read(++$entry);
+    if ($entry == $entries) {
+      break;
+    }
+  } while (!isset($result[$field_name][0][$subfield_name]));
+
+  // Navigation bar.
+  $display->navbar($entry, $entries, $repetition, '&field='. $field . '&subfield='. $subfield);
+
+  // Format output.
+  echo "<pre>\n";
+  echo "Selected field: $field: $field_name.\n";
+  echo "Selected subfield: $subfield: $subfield_name.\n";
+  echo "Showing entry $entry from $entries total entries.\n";
+  echo "Repetitions found: ". count($result[$field]) .".\n";
+  echo "\n";
+  print_r($result[$field_name]);
+  echo '</pre>';
+}
+
+$display->footer();
+?>
-- 
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