lib/nlp: introduce nitnlp bin as a client example for lib/nlp.

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>

diff --git a/lib/nlp/nitnlp.nit b/lib/nlp/nitnlp.nit
new file mode 100644 (file)
index 0000000..72946bc
--- /dev/null
+++ b/lib/nlp/nitnlp.nit
@@ -0,0 +1,49 @@
+# This file is part of NIT ( http://www.nitlanguage.org ).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Natural Language Processor based on the StanfordNLP core.
+#
+# This tool provides a document comparison service from command line based on
+# StanfordNLP and NLPVector consine similarity.
+#
+# See http://nlp.stanford.edu/software/corenlp.shtml.
+module nitnlp
+
+import opts
+import nlp
+
+# Option management
+var opt_java_cp = new OptionString("Java classpath for StanfordNLP jars", "--cp")
+var options = new OptionContext
+options.add_option(opt_java_cp)
+options.parse(args)
+var arguments = options.rest
+
+# Processor initialization
+var java_cp = opt_java_cp.value
+if java_cp == null then java_cp = "*"
+var proc = new NLPProcessor(java_cp)
+
+if arguments.length != 2 then
+       print "Usage: nitnlp text1 text2\n"
+       options.usage
+       sys.exit 1
+end
+
+var doc1 = proc.process(arguments.first)
+print doc1.vector.join(":", ",")
+var doc2 = proc.process(arguments.last)
+print doc2.vector.join(":", ",")
+
+print doc1.vector.cosine_similarity(doc2.vector)