WIP - add extractor, generate snippet_data

node_modules/underscore.string/wrap.js

@@ -0,0 +1,102 @@
+// Wrap
+// wraps a string by a certain width
+
+var makeString = require('./helper/makeString');
+
+module.exports = function wrap(str, options){
+  str = makeString(str);
+  
+  options = options || {};
+  
+  var width = options.width || 75;
+  var seperator = options.seperator || '\n';
+  var cut = options.cut || false;
+  var preserveSpaces = options.preserveSpaces || false;
+  var trailingSpaces = options.trailingSpaces || false;
+  
+  var result;
+  
+  if(width <= 0){
+    return str;
+  }
+  
+  else if(!cut){
+  
+    var words = str.split(' ');
+    var current_column = 0;
+    result = '';
+  
+    while(words.length > 0){
+      
+      // if adding a space and the next word would cause this line to be longer than width...
+      if(1 + words[0].length + current_column > width){
+        //start a new line if this line is not already empty
+        if(current_column > 0){
+          // add a space at the end of the line is preserveSpaces is true
+          if (preserveSpaces){
+            result += ' ';
+            current_column++;
+          }
+          // fill the rest of the line with spaces if trailingSpaces option is true
+          else if(trailingSpaces){
+            while(current_column < width){
+              result += ' ';
+              current_column++;
+            }            
+          }
+          //start new line
+          result += seperator;
+          current_column = 0;
+        }
+      }
+  
+      // if not at the begining of the line, add a space in front of the word
+      if(current_column > 0){
+        result += ' ';
+        current_column++;
+      }
+  
+      // tack on the next word, update current column, a pop words array
+      result += words[0];
+      current_column += words[0].length;
+      words.shift();
+  
+    }
+  
+    // fill the rest of the line with spaces if trailingSpaces option is true
+    if(trailingSpaces){
+      while(current_column < width){
+        result += ' ';
+        current_column++;
+      }            
+    }
+  
+    return result;
+  
+  }
+  
+  else {
+  
+    var index = 0;
+    result = '';
+  
+    // walk through each character and add seperators where appropriate
+    while(index < str.length){
+      if(index % width == 0 && index > 0){
+        result += seperator;
+      }
+      result += str.charAt(index);
+      index++;
+    }
+  
+    // fill the rest of the line with spaces if trailingSpaces option is true
+    if(trailingSpaces){
+      while(index % width > 0){
+        result += ' ';
+        index++;
+      }            
+    }
+    
+    return result;
+  }
+};