srex/srex_test.d

   1 /*
   2  * Copyright 2012 Yichun "agentzh" Zhang
   3  * Copyright 2007-2009 Russ Cox.  All Rights Reserved.
   4  * Use of this source code is governed by a BSD-style
   5  *
   6  * Part of this code is from the NGINX opensource project: http://nginx.org/LICENSE
   7  *
   8  * This library is licensed under the BSD license.
   9  *
  10  * Copyright (c) 2012-2014 Yichun "agentzh" Zhang.
  11  *
  12  * Copyright (c) 2007-2009 Russ Cox, Google Inc. All rights reserved.
  13  *
  14  * Redistribution and use in source and binary forms, with or without
  15  * modification, are permitted provided that the following conditions are
  16  * met:
  17  *
  18  *    * Redistributions of source code must retain the above copyright
  19  * notice, this list of conditions and the following disclaimer.
  20  *    * Redistributions in binary form must reproduce the above
  21  * copyright notice, this list of conditions and the following disclaimer
  22  * in the documentation and/or other materials provided with the
  23  * distribution.
  24  *    * Neither the name of Google, Inc. nor the names of its
  25  * contributors may be used to endorse or promote products derived from
  26  * this software without specific prior written permission.
  27  *
  28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  30  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  31  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  32  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  33  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  34  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  35  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  36  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  37  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  38  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  39  */
  40 module srex_test /*is aliced*/;
  41
  42 import iv.alice;
  43 import iv.vfs.io;
  44 import iv.srex;
  45
  46
  47 void main () {
  48   import std.utf : byChar;
  49
  50   //enum str = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
  51   enum str = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
  52   enum restr = "[a]?a?(a?)a?(a?)a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?a?aaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
  53
  54   writeln("\n\n\n");
  55
  56   //auto pre = RegExp.create("^a+bc|d".byChar);
  57   //auto re = RegExp.create("bc".byChar);
  58   auto re = RegExp.create(restr.byChar);
  59   if (!re.valid) {
  60     writeln("*** ERROR at ", re.lastErrorPos, ": ", re.lastError);
  61     assert(0);
  62   }
  63   writeln("captures: ", re.captureCount);
  64
  65
  66   {
  67     writeln("======================================");
  68     Pike.Capture[64] ovec;
  69     auto ctx = Pike.create(re, ovec[]);
  70     auto res = ctx.exec(str);
  71     writeln("pike: ", res);
  72     if (res == 0) {
  73       foreach (immutable idx; 0..re.captureCount) {
  74         writeln("capture #", idx, ": s=", ovec[idx].s, "; e=", ovec[idx].e);
  75       }
  76     }
  77     writeln("======================================");
  78   }
  79
  80   {
  81     writeln("======================================");
  82     auto ctx = Thompson.create(re);
  83     auto res = ctx.exec(str);
  84     writeln("thompson: ", res);
  85     writeln("======================================");
  86   }
  87 }