lib/sugar-high/file.rb in sugar-high-0.2.0 vs lib/sugar-high/file.rb in sugar-high-0.2.1

@@ -1,8 +1,9 @@
 require 'sugar-high/blank'
 require 'sugar-high/arguments'
 require 'sugar-high/path'
+require 'sugar-high/regexp'
 
 class File 
   def self.delete! name
     return nil if !File.exist?(name)
     File.delete name
@@ -67,9 +68,36 @@
     File.overwrite file_name, mutated_content
 
     true # signal success!
   end
 
+
+  def self.read_from file_name, options = {}, &block
+    raise ArgumentError, "File to read from not found or not a file: #{file_name}" if !File.file? file_name
+    content = File.read file_name
+    
+    if options[:before] 
+      begin
+        regexp = options[:before].to_regexp
+        index = content.match(regexp).offset_before
+        content = content[0..index]
+      rescue
+        raise ArgumentError, ":before option must be a string or regular expression, was : #{options[:before]}"
+      end
+    end 
+
+    if options[:after]   
+      begin
+        regexp = options[:after].to_regexp
+        index = content.match(regexp).offset_after
+        content = content[index..-1]      
+      rescue
+        raise ArgumentError, ":after option must be a string or regular expression, was : #{options[:after]}"
+      end      
+    end
+    yield content if block
+    content
+  end
 
   def self.remove_content_from file_name, options = {}, &block
     replace_content_from file_name, options.merge(:with => ''), &block
   end