lib/lineinput.rb in review-2.0.0.beta1 vs lib/lineinput.rb in review-2.0.0

@@ -46,10 +46,50 @@
     @lineno -= 1
     @buf.push line
     line
   end
 
+  def peek
+    line = gets()
+    ungets line if line
+    line
+  end
+
+  def next?
+    peek() ? true : false
+  end
+
+  def skip_blank_lines
+    n = 0
+    while line = gets()
+      unless line.strip.empty?
+        ungets line
+        return n
+      end
+      n += 1
+    end
+    n
+  end
+
+  def gets_if(re)
+    line = gets()
+    if not line or not (re =~ line)
+      ungets line
+      return nil
+    end
+    line
+  end
+
+  def gets_unless(re)
+    line = gets()
+    if not line or re =~ line
+      ungets line
+      return nil
+    end
+    line
+  end
+
   def each
     while line = gets()
       yield line
     end
   end
@@ -100,8 +140,16 @@
     while line = gets()
       return if re =~ line   # discard terminal line
       yield line
     end
     nil
+  end
+
+  def getblock(term_re)
+    buf = []
+    until_terminator(term_re) do |line|
+      buf.push line
+    end
+    buf
   end
 
 end