#2 SET

.rubocop.yml

@@ -2,3 +2,5 @@ MethodLength:
   Max: 30
 Style/ClassLength:
   Max: 150
+Style/CyclomaticComplexity:
+  Max: 20

README.md

@@ -36,7 +36,7 @@ in file `doc.xml`:
 ```xml
 <books>
   <book isbn="0735619654">Object Thinking</book>
-  <book isbn="1519166915">Elegan Objects</book>
+  <book isbn="1519166915">Elegant Objects</book>
 </books>
 ```
 
@@ -46,7 +46,7 @@ Now, say, you want to add one more book there:
 $ xembly --xml doc.xml 'XPATH "/books"; ADD "book"; ATTR "isbn", "0201379430"; SET "Object Design";'
 <books>
   <book isbn="0735619654">Object Thinking</book>
-  <book isbn="1519166915">Elegan Objects</book>
+  <book isbn="1519166915">Elegant Objects</book>
   <book isbn="0201379430">Object Design</book>
 </books>
 ```

bin/xembly

@@ -28,7 +28,7 @@ require 'slop'
 require 'xembly/version'
 
 opts = Slop.parse(ARGV, strict: true, help: true) do |o|
-  o.banner = "Usage (#{Xembly::VERSION}): xembly [options]"
+  o.banner = "Usage (#{Xembly::VERSION}): xembly [options] [directives]"
   o.on '-h', '--help', 'Print help' do
     puts o
     exit

features/cli.feature

@@ -23,11 +23,14 @@ Feature: Command Line Processing
     """
     XPATH "/books";
     ADD "book";
+    ATTR "isbn", "1519166915";
+    SET "Elegant Objects";
     """
     When I run bin/xembly with "-v -d dirs.txt -f out.xml -x text.xml"
     Then Exit code is zero
     And Stdout contains "reading text.xml"
     And XML file "out.xml" matches "/books[count(book) = 3]"
+    And XML file "out.xml" matches "/books/book[@isbn='1519166915' and .='Elegant Objects']"
 
   Scenario: Rejects unknown options
     When I run bin/xembly with "--some-unknown-option"

lib/xembly/directives.rb

@@ -23,6 +23,7 @@
 require 'xembly/add'
 require 'xembly/attr'
 require 'xembly/xpath'
+require 'xembly/set'
 
 module Xembly
   # Directives
@@ -54,8 +55,18 @@ def self.map(text)
       case cmd.upcase
       when 'ADD'
         Add.new(args[0])
+      when 'ADDIF'
+        AddIf.new(args[0])
       when 'ATTR'
         Attr.new(args[0], args[1])
+      when 'REMOVE'
+        Remove.new
+      when 'SET'
+        Set.new(args[0])
+      when 'STRICT'
+        Strict.new(args[0])
+      when 'UP'
+        Up.new
       when 'XPATH'
         Xpath.new(args[0])
       else

lib/xembly/set.rb

@@ -0,0 +1,41 @@
+# encoding: utf-8
+#
+# Copyright (c) 2016 Yegor Bugayenko
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the 'Software'), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+require 'nokogiri'
+
+module Xembly
+  # SET directive
+  class Set
+    # Ctor.
+    # +value+:: Text value to set
+    def initialize(value)
+      @value = value
+    end
+
+    def exec(_, cursor)
+      cursor.each do |node|
+        node.content = @value
+      end
+      cursor
+    end
+  end
+end

test/test_set.rb

@@ -0,0 +1,43 @@
+# encoding: utf-8
+#
+# Copyright (c) 2016 Yegor Bugayenko
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the 'Software'), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+require 'xembly/set'
+require 'test__helper'
+
+# Xembly::Set tests.
+# Author:: Yegor Bugayenko (yegor@teamed.io)
+# Copyright:: Copyright (c) 2016 Yegor Bugayenko
+# License:: MIT
+class TestSet < XeTest
+  def test_sets_values
+    dom = Nokogiri::XML('<books><book/></books>')
+    Xembly::Set.new('hello').exec(dom, [dom.xpath('/books/book').first])
+    matches(
+      dom.to_xml,
+      [
+        '/books',
+        '/books[count(book)=1]',
+        '/books/book[.="hello"]'
+      ]
+    )
+  end
+end

test/test_xembly.rb

@@ -48,14 +48,18 @@ def test_reading_from_file
       xml = File.join(dir, 'input.xml')
       File.write(xml, '<books/>')
       dirs = File.join(dir, 'dirs.txt')
-      File.write(dirs, 'XPATH "/books"; ADD "book"; ATTR "id", "123";')
+      File.write(
+        dirs,
+        'XPATH "/books"; ADD "book"; ATTR "id", "123"; SET "Elegant Objects";'
+      )
       opts = opts(['--xml', xml, '--dirs', dirs])
       matches(
         Xembly::Base.new(opts).xml,
         [
           '/books',
           '/books[count(book)=1]',
-          '/books/book[@id=123]'
+          '/books/book[@id=123]',
+          '/books/book[@id=123 and .="Elegant Objects"]'
         ]
       )
     end