nitweb: introduce nitweb binary

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

diff --git a/src/nitweb.nit b/src/nitweb.nit
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+++ b/src/nitweb.nit
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+# 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.
+
+# Runs a webserver based on nitcorn that render things from model.
+module nitweb
+
+import frontend
+import web
+
+redef class ToolContext
+
+       # Host name to bind on.
+       var opt_host = new OptionString("Host to bind the server on", "--host")
+
+       # Port number to bind on.
+       var opt_port = new OptionInt("Port number to use", 3000, "--port")
+
+       # Web rendering phase.
+       var webphase: Phase = new NitwebPhase(self, null)
+
+       init do
+               super
+               option_context.add_option(opt_host, opt_port)
+       end
+end
+
+# Phase that builds the model and wait for http request to serve pages.
+private class NitwebPhase
+       super Phase
+       redef fun process_mainmodule(mainmodule, mmodules)
+       do
+               var model = mainmodule.model
+               var modelbuilder = toolcontext.modelbuilder
+
+               # Run the server
+               var host = toolcontext.opt_host.value or else "localhost"
+               var port = toolcontext.opt_port.value
+
+               var srv = new NitServer(host, port.to_i)
+               srv.routes.add new Route("/random", new RandomAction(srv, model))
+               srv.routes.add new Route("/doc/:namespace", new DocAction(srv, model, modelbuilder))
+               srv.routes.add new Route("/code/:namespace", new CodeAction(srv, model, modelbuilder))
+               srv.routes.add new Route("/search/:namespace", new SearchAction(srv, model))
+               srv.routes.add new Route("/", new TreeAction(srv, model))
+
+               srv.listen
+       end
+end
+
+# build toolcontext
+var toolcontext = new ToolContext
+var tpl = new Template
+tpl.add "Usage: nitweb [OPTION]... <file.nit>...\n"
+tpl.add "Run a webserver based on nitcorn that serve pages about model."
+toolcontext.tooldescription = tpl.write_to_string
+
+# process options
+toolcontext.process_options(args)
+var arguments = toolcontext.option_context.rest
+
+# build model
+var model = new Model
+var mbuilder = new ModelBuilder(model, toolcontext)
+var mmodules = mbuilder.parse_full(arguments)
+
+# process
+if mmodules.is_empty then return
+mbuilder.run_phases
+toolcontext.run_global_phases(mmodules)

diff --git a/src/web/web.nit b/src/web/web.nit
new file mode 100644 (file)
index 0000000..6f581f4
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+++ b/src/web/web.nit
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+# 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.
+
+# Components required to build a web server about the nit model.
+module web
+
+import web_actions