refactor: move cff code to library

BibtexbrowserTest.php

@@ -823,7 +823,31 @@ class BibtexbrowserTest extends PHPUnit_Framework_TestCase {
 
     }
 
-
+    function test_cff() {
+        
+        $btb = new BibDataBase();
+        $btb->load('bibacid-utf8.bib');
+        $entry = $btb->bibdb['arXiv-1807.05030'];
+        $expected = "cff-version: 1.2.0\n".
+        "# CITATION.cff created with https://github.com/monperrus/bibtexbrowser/\n".
+        "preferred-citation:\n".
+        "  title: \"A Comprehensive Study of Pseudo-tested Methods\"\n".
+        "  year: \"2018\"\n".
+        "  authors:\n".
+        "    - family-names: Vera-Pérez\n".
+        "      given-names: Oscar Luis\n".
+        "    - family-names: Danglot\n".
+        "      given-names: Benjamin\n".
+        "    - family-names: Monperrus\n".
+        "      given-names: Martin\n".
+        "    - family-names: Baudry\n".
+        "      given-names: Benoit\n";
+        
+        $this->assertEquals($expected,$entry->toCFF());
+        
+    }
+    
+    
 } // end class
 
 @copy('bibtexbrowser.local.php.bak','bibtexbrowser.local.php');

bibtex-to-cff.php

@@ -21,31 +21,7 @@ function bibtexbrowser_cff($arguments) {
             $current_entry = $db->getEntryByKey($arguments[$i+1]);
         }
     }
-    // now we have $current_entry
-    echo "cff-version: 1.2.0"."\n";
-    echo "# CITATION.cff created with https://github.com/monperrus/bibtexbrowser/"."\n";
-    echo "preferred-citation:"."\n";
-    echo "  title: \"".$current_entry->getTitle()."\""."\n";
-    if ($current_entry->hasField("doi")) {
-        echo "  doi: \"".$current_entry->getField("doi")."\""."\n";
-    }
-    if ($current_entry->hasField("year")) {
-        echo "  year: \"".$current_entry->getField("year")."\""."\n";
-    }
-    if ($current_entry->hasField("journal")) {
-        echo "  type: article\n";
-        echo "  journal: \"".$current_entry->getField("journal")."\""."\n";
-    }
-    if ($current_entry->hasField("booktitle")) {
-        echo "  type: conference-paper\n";
-        echo "  conference: \"".$current_entry->getField("booktitle")."\""."\n";
-    }
-    echo "  authors:"."\n";
-    foreach ($current_entry->getFormattedAuthorsArray() as $author) {
-        $split = splitFullName($author);
-        echo "    - family-names: ".$split[1]."\n";
-        echo "      given-names: ".$split[0]."\n";
-    }
+    echo $current_entry->toCFF();
 }
 
 bibtexbrowser_cff($argv);

bibtexbrowser.php

@@ -1980,7 +1980,38 @@ class BibEntry {
     return $matches;
   }
 
-} // enc class BibEntry
+  /** returns in the citation file format, tailored for github */
+  function toCFF() {
+    $result = "";
+    $result .= "cff-version: 1.2.0"."\n";
+    $result .= "# CITATION.cff created with https://github.com/monperrus/bibtexbrowser/"."\n";
+    $result .= "preferred-citation:"."\n";
+    $result .= "  title: \"".$this->getTitle()."\""."\n";
+    if ($this->hasField("doi")) {
+        $result .= "  doi: \"".$this->getField("doi")."\""."\n";
+    }
+    if ($this->hasField("year")) {
+        $result .= "  year: \"".$this->getField("year")."\""."\n";
+    }
+    if ($this->hasField("journal")) {
+        $result .= "  type: article\n";
+        $result .= "  journal: \"".$this->getField("journal")."\""."\n";
+    }
+    if ($this->hasField("booktitle")) {
+        $result .= "  type: conference-paper\n";
+        $result .= "  conference: \"".$this->getField("booktitle")."\""."\n";
+    }
+    $result .= "  authors:"."\n";
+    foreach ($this->getFormattedAuthorsArray() as $author) {
+        $split = splitFullName($author);
+        $result .= "    - family-names: ".$split[1]."\n";
+        $result .= "      given-names: ".$split[0]."\n";
+    }
+    return $result;
+  }
+  
+  
+} // end class BibEntry
 
 class RawBibEntry extends BibEntry {
   function setField($name, $value) {