From 3bf21a1ac8b6a764b2862c693d5f3087af1e0bb9 Mon Sep 17 00:00:00 2001
From: remorhaz <zoohie@gmail.com>
Date: Tue, 17 Apr 2018 23:47:44 +0300
Subject: [PATCH] CLI: command line utility implemented

---
 bin/unilex    | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 build.xml     |  1 +
 composer.json |  1 +
 3 files changed, 48 insertions(+)
 create mode 100755 bin/unilex

diff --git a/bin/unilex b/bin/unilex
new file mode 100755
index 0000000..a9ce7e3
--- /dev/null
+++ b/bin/unilex
@@ -0,0 +1,46 @@
+#!/usr/bin/env php
+<?php
+
+use Garden\Cli\Cli;
+use Remorhaz\UniLex\Lexer\TokenMatcherGenerator;
+use Remorhaz\UniLex\Lexer\TokenMatcherSpecParser;
+
+$isComposerLoaded = false;
+foreach (['..', '../vendor'] as $composerAutoloadPath) {
+    $composerAutoloadFile = __DIR__ . "/{$composerAutoloadPath}/autoload.php";
+    if (is_file($composerAutoloadFile) === true) {
+        /** @noinspection PhpIncludeInspection */
+        require_once $composerAutoloadFile;
+        $isComposerLoaded = true;
+        break;
+    }
+}
+if (!$isComposerLoaded) {
+    fwrite(STDERR, "Composer autoload file not found!\n");
+    exit(1);
+}
+
+$cli = new Cli;
+/** @noinspection PhpUnhandledExceptionInspection */
+$cli
+    ->description("UniLex: PHP lexical analyzer generator with Unicode support.")
+    ->opt('desc:d', "Token matcher description")
+    ->arg('source', "File to place generated matcher class.", true);
+
+$args = $cli->parse($argv, true);
+
+$matcherSpec = TokenMatcherSpecParser::loadFromFile($args->getArg('source'))
+    ->getMatcherSpec();
+$description = $args->getOpt('desc');
+if (isset($description)) {
+    $matcherSpec->addFileComment($description, '');
+}
+$matcherSpec
+    ->addFileComment(
+        "Auto-generated file, please don't edit manually.",
+        "Generated by UniLex."
+    );
+$generator = new TokenMatcherGenerator($matcherSpec);
+
+$output = $generator->getOutput();
+fwrite(STDOUT, $output);
diff --git a/build.xml b/build.xml
index f981f48..ce80f18 100644
--- a/build.xml
+++ b/build.xml
@@ -7,6 +7,7 @@
     <target name="all" depends="prepare-dir,lookup-tables,token-matchers"/>
 
     <target name="prepare-dir" description="Prepares build directory">
+        <chmod file="${application.startdir}/bin/unilex" mode="0755" />
         <mkdir dir="${application.startdir}/build/logs"/>
     </target>
 
diff --git a/composer.json b/composer.json
index bd778bb..b3b67fc 100644
--- a/composer.json
+++ b/composer.json
@@ -17,6 +17,7 @@
       "role": "Developer"
     }
   ],
+  "bin": ["bin/unilex"],
   "require": {
     "php": "^7.1",
     "vanilla/garden-cli": "^2.0",