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				+<?php 
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				+ 
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				+class NewickImporter extends TripalImporter { 
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				+ 
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				+  /** 
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				+   * The name of this loader.  This name will be presented to the site 
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				+   * user. 
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				+   */ 
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				+  public static $name = 'Newick Tree Loader'; 
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				+ 
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				+  /** 
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				+   * The machine name for this loader. This name will be used to construct 
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				+   * the URL for the loader. 
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				+   */ 
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				+  public static $machine_name = 'chado_newick_loader'; 
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				+ 
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				+  /** 
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				+   * A brief description for this loader.  This description will be 
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				+   * presented to the site user. 
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				+   */ 
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				+  public static $description = 'Load Newick formatted phylogenetic trees.'; 
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				+ 
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				+  /** 
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				+   * An array containing the extensions of allowed file types. 
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				+   */ 
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				+  public static $file_types = ['tree', 'txt']; 
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				+ 
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				+  /** 
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				+   * Provides information to the user about the file upload.  Typically this 
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				+   * may include a description of the file types allowed. 
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				+   */ 
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				+  public static $upload_description = 'Please provide the Newick formatted tree file.  The file must have a .txt or .tree extension.'; 
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				+ 
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				+  /** 
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				+   * The title that should appear above the file upload section. 
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				+   */ 
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				+  public static $upload_title = 'Newick Upload'; 
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				+ 
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				+  /** 
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				+   * Text that should appear on the button at the bottom of the importer 
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				+   * form. 
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				+   */ 
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				+  public static $button_text = 'Import Newick file'; 
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				+ 
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				+ 
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				+  /** 
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				+   * Indicates the methods that the file uploader will support. 
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				+   */ 
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				+  public static $methods = [ 
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				+    // Allow the user to upload a file to the server. 
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				+    'file_upload' => TRUE, 
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				+    // Allow the user to provide the path on the Tripal server for the file. 
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				+    'file_local' => TRUE, 
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				+    // Allow the user to provide a remote URL for the file. 
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				+    'file_remote' => TRUE, 
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				+  ]; 
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				+ 
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				+  /** 
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				+   * @see TripalImporter::form() 
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				+   */ 
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				+  public function form($form, &$form_state) { 
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				+    // Default values can come in the following ways: 
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				+    // 
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				+    // 1) as elements of the $node object.  This occurs when editing an existing phylotree 
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				+    // 2) in the $form_state['values'] array which occurs on a failed validation or 
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				+    //    ajax callbacks from non submit form elements 
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				+    // 3) in the $form_state['input'[ array which occurs on ajax callbacks from submit 
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				+    //    form elements and the form is being rebuilt 
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				+    // 
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				+    // set form field defaults 
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				+    $phylotree = NULL; 
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				+    $phylotree_id = NULL; 
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				+    $tree_name = ''; 
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				+    $leaf_type = ''; 
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				+    $analysis_id = ''; 
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				+    $dbxref = ''; 
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				+    $comment = ''; 
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				+    $tree_required = TRUE; 
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				+    $tree_file = ''; 
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				+    $name_re = ''; 
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				+    $match = ''; 
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				+ 
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				+    // If we are re constructing the form from a failed validation or ajax callback 
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				+    // then use the $form_state['values'] values. 
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				+    if (array_key_exists('values', $form_state) and isset($form_state['values']['tree_name'])) { 
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				+      $tree_name = $form_state['values']['tree_name']; 
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				+      $leaf_type = $form_state['values']['leaf_type']; 
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				+      $analysis_id = $form_state['values']['analysis_id']; 
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				+      $dbxref = $form_state['values']['dbxref']; 
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				+      $comment = $form_state['values']['description']; 
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				+    } 
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				+    // If we are re building the form from after submission (from ajax call) then 
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				+    // the values are in the $form_state['input'] array. 
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				+    if (array_key_exists('input', $form_state) and !empty($form_state['input'])) { 
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				+      $tree_name = $form_state['input']['tree_name']; 
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				+      $leaf_type = $form_state['input']['leaf_type']; 
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				+      $analysis_id = $form_state['input']['analysis_id']; 
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				+      $comment = $form_state['input']['description']; 
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				+      $dbxref = $form_state['input']['dbxref']; 
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				+    } 
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				+ 
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				+    $form['tree_name'] = [ 
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				+      '#type' => 'textfield', 
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				+      '#title' => t('Tree Name'), 
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				+      '#required' => TRUE, 
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				+      '#default_value' => $tree_name, 
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				+      '#description' => t('Enter the name used to refer to this phylogenetic tree.'), 
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				+      '#maxlength' => 255, 
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				+    ]; 
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				+ 
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				+    $type_cv = tripal_get_default_cv('phylotree', 'type_id'); 
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				+    $so_cv = tripal_get_cv(['name' => 'sequence']); 
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				+    $cv_id = $so_cv->cv_id; 
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				+    if (!$so_cv) { 
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				+      drupal_set_message('The Sequence Ontolgoy does not appear to be imported. 
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				+        Please import the Sequence Ontology before adding a tree.', 'error'); 
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				+    } 
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				+ 
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				+    $form['leaf_type'] = [ 
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				+      '#title' => t('Tree Type'), 
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				+      '#type' => 'textfield', 
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				+      '#description' => t("Choose the tree type. The type is 
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				+        a valid Sequence Ontology (SO) term. For example, trees derived 
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				+        from protein sequences should use the SO term 'polypeptide'. 
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				+        Alternatively, a phylotree can be used for representing a taxonomic 
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				+        tree. In this case, the word 'taxonomy' should be used."), 
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				+      '#required' => TRUE, 
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				+      '#default_value' => $leaf_type, 
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				+      '#autocomplete_path' => "admin/tripal/legacy/tripal_cv/cvterm/auto_name/$cv_id", 
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				+    ]; 
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				+ 
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				+    $form['dbxref'] = [ 
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				+      '#title' => t('Database Cross-Reference'), 
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				+      '#type' => 'textfield', 
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				+      '#description' => t("Enter a database cross-reference of the form 
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				+        [DB name]:[accession]. The database name must already exist in the 
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				+        database. If the accession does not exist it is automatically added."), 
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				+      '#required' => FALSE, 
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				+      '#default_value' => $dbxref, 
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				+    ]; 
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				+ 
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				+    $form['description'] = [ 
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				+      '#type' => 'textarea', 
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				+      '#title' => t('Description'), 
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				+      '#required' => TRUE, 
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				+      '#default_value' => $comment, 
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				+      '#description' => t('Enter a description for this tree.'), 
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				+    ]; 
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				+ 
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				+    $form['name_re'] = [ 
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				+      '#title' => t('Feature Name Regular Expression'), 
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				+      '#type' => 'textfield', 
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				+      '#description' => t('If this is a phylogenetic (non taxonomic) tree, then 
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				+          the tree nodes will be automatically associated with features. However, 
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				+          if the nodes in the tree file are not exactly as the names of features 
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				+          but have enough information to uniquely identify the feature then you 
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				+          may provide a regular expression that the importer will use to extract 
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				+          the feature names from the node names.'), 
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				+      '#default_value' => $name_re, 
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				+    ]; 
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				+    $form['match'] = [ 
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				+      '#title' => t('Use Unique Feature Name'), 
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				+      '#type' => 'checkbox', 
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				+      '#description' => t('If this is a phylogenetic (non taxonomic tree) and the nodes ' . 'should match the unique name of the feature rather than the name of the feature ' . 'then select this box. If unselected the loader will try to match the feature ' . 'using the feature name.'), 
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				+      '#default_value' => $match, 
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				+    ]; 
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				+ 
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				+    return $form; 
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				+  } 
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				+ 
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				+  /** 
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				+   * @see TripalImporter::formValidate() 
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				+   */ 
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				+  public function formValidate($form, &$form_state) { 
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				+ 
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				+    $values = $form_state['values']; 
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				+ 
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				+    $options = [ 
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				+      'name' => trim($values["tree_name"]), 
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				+      'description' => trim($values["description"]), 
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				+      'analysis_id' => $values["analysis_id"], 
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				+      'leaf_type' => $values["leaf_type"], 
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				+      // 'tree_file'    => $values["tree_file"], 
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				+      'format' => 'newick', 
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				+      'dbxref' => trim($values["dbxref"]), 
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				+      'match' => $values["match"], 
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				+      'name_re' => $values["name_re"], 
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				+    ]; 
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				+ 
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				+    $errors = []; 
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				+    $warnings = []; 
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				+ 
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				+    tripal_validate_phylotree('insert', $options, $errors, $warnings); 
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				+ 
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				+    // Now set form errors if any errors were detected. 
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				+    if (count($errors) > 0) { 
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				+      foreach ($errors as $field => $message) { 
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				+        if ($field == 'name') { 
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				+          $field = 'tree_name'; 
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				+        } 
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				+        form_set_error($field, $message); 
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				+      } 
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				+    } 
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				+    // Add any warnings if any were detected 
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				+    if (count($warnings) > 0) { 
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				+      foreach ($warnings as $field => $message) { 
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				+        drupal_set_message($message, 'warning'); 
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				+      } 
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				+    } 
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				+  } 
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				+ 
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				+  /** 
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				+   * @see TripalImporter::run() 
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				+   */ 
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				+  public function run() { 
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				+ 
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				+    $arguments = $this->arguments['run_args']; 
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				+    $file_path = $this->arguments['files'][0]['file_path']; 
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				+    $name = $this->arguments["tree_name"]; 
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				+    $description = $this->arguments["description"]; 
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				+    $analysis_id = $this->arguments["analysis_id"]; 
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				+    $leaf_type = $this->arguments["leaf_type"]; 
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				+    $format = 'newick'; 
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				+    $dbxref = $this->arguments["dbxref"]; 
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				+    $match = $this->arguments["match"]; 
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				+    $name_re = $this->arguments["name_re"]; 
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				+ 
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				+ 
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				+    $options = array( 
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				+      'name'         => $node->tree_name, 
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				+      'description'  => $node->description, 
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				+      'analysis_id'  => $node->analysis_id, 
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				+      'leaf_type'    => $node->leaf_type, 
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				+      'tree_file'    => $node->tree_file, 
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				+      'format'       => 'newick', 
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				+      'dbxref'       => $node->dbxref, 
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				+      'match'        => $node->match, 
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				+      'name_re'      => $node->name_re, 
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				+    ); 
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				+    $errors = array(); 
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				+    $warnings = array(); 
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				+    if (tripal_insert_phylotree($options, $errors, $warnings)) 
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				+ 
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				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * This code parses the grammar for the Newick format as per the following 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * grammar: 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   *  Tree --> Subtree ";" | Branch ";" 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   *  Subtree --> Leaf | Internal 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   *  Leaf --> Name 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   *  Internal --> "(" BranchSet ")" Name 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   *  BranchSet --> Branch | BranchSet "," Branch 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   *  Branch --> Subtree Length 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   *  Name --> empty | string 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   *  Length --> empty | ":" number 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  function parse_newick_file($file_name) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // Initialize the bootstrap value and index 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    global $tripal_phylogeny_bootstrap; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $tripal_phylogeny_bootstrap = 1; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $tripal_phylogeny_index = 1; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $tree = []; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $fp = fopen($file_name, 'r'); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if ($fp) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $tree = $this->parse_newick_tree($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      // ERROR 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return $tree; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $fp 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param number $depth 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @return boolean 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  function parse_newick_tree($fp, $depth = 0) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $subtree = $this->parse_newick_subtree($fp, $depth); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $subtree['is_root'] = 1; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // this subtree may also be a branch. A branch is a subtree with a length, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // so see if there is a length 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $token = $this->parse_newick_get_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if ($token == ";") { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      // we're done! 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      return $subtree; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $this->parse_newick_replace_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // Get the length. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $length = $this->parse_newick_length($fp, $depth); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $subtree['length'] = $length; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // Now if we're missing the semicolon we have a syntax error. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $token = $this->parse_newick_get_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if ($token != ';') { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      print "Syntax Error: missing trailing semicolon.\n"; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      exit; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return $subtree; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $fp 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $depth 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @return Ambigous|unknown 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  function parse_newick_subtree($fp, $depth) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $internal = $this->parse_newick_internal($fp, $depth + 1); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if (!is_array($internal)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $leaf_node = $this->parse_newick_leaf($fp, $depth); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      return [ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        'name' => $leaf_node, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        'depth' => $depth, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        'is_leaf' => TRUE, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        'descendents' => 0, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      ]; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $internal['depth'] = $depth; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return $internal; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $fp 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $depth 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @return boolean|multitype:unknown Ambigous <Ambigous, unknown> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  function parse_newick_branch($fp, $depth) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $subtree = $this->parse_newick_subtree($fp, $depth); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $length = $this->parse_newick_length($fp, $depth); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $subtree['length'] = $length; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return $subtree; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $fp 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $parent 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $depth 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  function parse_newick_internal($fp, $depth) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // If the next character is not an open paren then this is an internal node 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if ($this->parse_newick_get_token($fp) != '(') { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $this->parse_newick_replace_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      return FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $branches = $this->parse_newick_branchset($fp, $depth); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if (!is_array($branches)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      return FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // If we don't have a closing parent then this is a syntax error. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if ($this->parse_newick_get_token($fp) != ')') { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $this->parse_newick_replace_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      return FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $internal_node = $this->parse_newick_name($fp, $depth); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $descendent_count = 0; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    for ($i = 0; $i < count($branches); $i++) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $branches[$i]['parent'] = $internal_node; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $descendent_count += 1 + $branches[$i]['descendents']; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return [ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      'name' => $internal_node, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      'depth' => $depth, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      'branch_set' => $branches, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      'is_internal' => TRUE, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      'descendents' => $descendent_count, 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    ]; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $fp 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $parent 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $depth 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  function parse_newick_branchset($fp, $depth) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $branches = []; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $num_read = 0; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $branch = $this->parse_newick_branch($fp, $depth); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $branches[] = $branch; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // If it's not a branch then return false, a branchset will 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // always appear as a branch. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if (!is_array($branch)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      return FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // If we have a comma as the next token then this is 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // a branchset and we should recurse. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $token = $this->parse_newick_get_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if ($token == ',') { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $rbranches = $this->parse_newick_branchset($fp, $depth); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      foreach ($rbranches as $branch) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        $branches[] = $branch; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $this->newick_replace_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return $branches; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $fp 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $depth 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @return Ambigous <string, boolean, unknown> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  function parse_newick_leaf($fp, $depth) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return $this->parse_newick_name($fp, $depth); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $fp 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $depth 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @return string|boolean|Ambigous <string, unknown> 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  function parse_newick_name($fp, $depth) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    global $tripal_phylogeny_bootstrap; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $token = $this->parse_newick_get_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // If the next token is a colon, semicolon, close paren, or comma 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // then the name is empty. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if ($token == ':' or $token == ',' or $token == ';' or $token == ')') { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $this->parse_newick_replace_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      // create a bootstrap value 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      return $tripal_phylogeny_bootstrap++; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // If the next token is an open paren then this is a syntax error: 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if ($token == '(') { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $this->parse_newick_replace_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      return FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return $token; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $fp 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $depth 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @return string|boolean|unknown 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  function parse_newick_length($fp, $depth) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $length = ''; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $token = $this->parse_newick_get_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // If the next token is a semicolon, close paren, or comma 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // then the length is empty. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if ($token == ',' or $token == ';' or $token == ')') { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $this->newick_replace_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      return ''; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // If the next token is a colon then we are parsing the length. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // Otherwise we are not. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if ($token != ':') { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $this->parse_newick_replace_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      return FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // Now get the length. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $token = $this->parse_newick_get_token($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // If the next token is an open paren then this is a syntax error: 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    if ($token == '(') { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      exit(); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return $token; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $fp 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @return string 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  function parse_newick_get_token($fp) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    // Keep track of the file position that we start with 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    global $tripal_phylogeny_fp_pos; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $tripal_phylogeny_fp_pos = ftell($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $token = ''; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $in_quote = FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $num_read = 0; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $c = fgetc($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    while (!feof($fp)) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $num_read++; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      switch ($c) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // If the first character is a reserved character and we 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // we have not encountered any other charcters then return 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // it as the token. Otherwise, return the collected token. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        case ';': 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        case '(': 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        case ')': 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        case ',': 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        case ':': 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          if (!$token) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            return $c; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            // put the character back and return the token 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            fseek($fp, $tripal_phylogeny_fp_pos + $num_read - 1); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            return $token; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          break; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // Quotes are allowed around names and if a name is in 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // quotes then allow spaces. Otherwise, spaces are ignored. 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        case '\'': 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        case '"': 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          if (!$in_quote) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            $in_quote = TRUE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          else { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            $in_quote = FALSE; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          break; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        case " ": 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        case "\t": 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        case "\r": 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        case "\n": 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          if ($in_quote) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+            $token .= $c; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          break; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        // All other characters get saved as the token 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+        default: 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+          $token .= $c; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+      $c = fgetc($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    return $token; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  /** 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   * @param unknown $fp 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+   */ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  function parse_newick_replace_token($fp) { 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    global $tripal_phylogeny_fp_pos; 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    fseek($fp, $tripal_phylogeny_fp_pos); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+    $tripal_phylogeny_fp_pos = ftell($fp); 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+  } 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+} 
			 |