1 | /*============================================================================= |
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2 | Copyright (c) 1998-2003 Joel de Guzman |
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3 | http://spirit.sourceforge.net/ |
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4 | |
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5 | Use, modification and distribution is subject to the Boost Software |
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6 | License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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7 | http://www.boost.org/LICENSE_1_0.txt) |
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8 | =============================================================================*/ |
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9 | #include <iostream> |
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10 | #include <boost/detail/lightweight_test.hpp> |
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11 | |
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12 | using namespace std; |
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13 | |
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14 | //#define BOOST_SPIRIT_DEBUG |
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15 | #include <boost/spirit/core.hpp> |
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16 | #include <boost/spirit/utility/loops.hpp> |
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17 | using namespace boost::spirit; |
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18 | |
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19 | /////////////////////////////////////////////////////////////////////////////// |
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20 | // |
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21 | // Loops tests |
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22 | // |
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23 | /////////////////////////////////////////////////////////////////////////////// |
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24 | void |
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25 | loops_tests() |
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26 | { |
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27 | parse_info<char const*> pi; |
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28 | |
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29 | pi = parse("\"Hello World\"", "\"" >> *(anychar_p - "\"") >> "\""); |
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30 | BOOST_TEST(pi.hit); |
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31 | BOOST_TEST(pi.full); |
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32 | BOOST_TEST(pi.length == 13); |
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33 | BOOST_TEST(*pi.stop == 0); |
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34 | |
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35 | pi = parse("\"Hello World\"", "\"" >> repeat_p(0, more)[anychar_p - "\""] >> "\""); |
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36 | BOOST_TEST(pi.hit); |
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37 | BOOST_TEST(pi.full); |
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38 | BOOST_TEST(pi.length == 13); |
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39 | BOOST_TEST(*pi.stop == 0); |
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40 | |
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41 | pi = parse("xx", +ch_p('x')); |
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42 | BOOST_TEST(pi.hit); |
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43 | BOOST_TEST(pi.full); |
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44 | BOOST_TEST(pi.length == 2); |
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45 | BOOST_TEST(*pi.stop == 0); |
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46 | |
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47 | pi = parse("xx", repeat_p(1, more)[ch_p('x')]); |
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48 | BOOST_TEST(pi.hit); |
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49 | BOOST_TEST(pi.full); |
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50 | BOOST_TEST(pi.length == 2); |
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51 | BOOST_TEST(*pi.stop == 0); |
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52 | |
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53 | pi = parse("", +ch_p('x')); |
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54 | BOOST_TEST(!pi.hit); |
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55 | |
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56 | pi = parse("", repeat_p(1, more)[ch_p('x')]); |
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57 | BOOST_TEST(!pi.hit); |
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58 | |
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59 | pi = parse("", *ch_p('x')); |
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60 | BOOST_TEST(pi.hit); |
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61 | BOOST_TEST(pi.full); |
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62 | BOOST_TEST(pi.length == 0); |
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63 | BOOST_TEST(*pi.stop == 0); |
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64 | |
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65 | pi = parse("", repeat_p(0, more)[ch_p('x')]); |
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66 | BOOST_TEST(pi.hit); |
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67 | BOOST_TEST(pi.full); |
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68 | BOOST_TEST(pi.length == 0); |
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69 | BOOST_TEST(*pi.stop == 0); |
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70 | |
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71 | // repeat exact 8 |
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72 | rule<> rep8 = repeat_p(8)[alpha_p] >> 'X'; |
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73 | BOOST_TEST(!parse("abcdefgX", rep8).hit); |
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74 | BOOST_TEST(parse("abcdefghX", rep8).full); |
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75 | BOOST_TEST(!parse("abcdefghiX", rep8).hit); |
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76 | BOOST_TEST(!parse("abcdefgX", rep8).hit); |
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77 | BOOST_TEST(!parse("aX", rep8).hit); |
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78 | |
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79 | // repeat 2 to 8 |
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80 | rule<> rep28 = repeat_p(2, 8)[alpha_p] >> '*'; |
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81 | BOOST_TEST(parse("abcdefg*", rep28).full); |
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82 | BOOST_TEST(parse("abcdefgh*", rep28).full); |
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83 | BOOST_TEST(!parse("abcdefghi*", rep28).hit); |
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84 | BOOST_TEST(!parse("a*", rep28).hit); |
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85 | |
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86 | // repeat 2 or more |
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87 | rule<> rep2_ = repeat_p(2, more)[alpha_p] >> '+'; |
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88 | BOOST_TEST(parse("abcdefg+", rep2_).full); |
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89 | BOOST_TEST(parse("abcdefgh+", rep2_).full); |
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90 | BOOST_TEST(parse("abcdefghi+", rep2_).full); |
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91 | BOOST_TEST(parse("abcdefg+", rep2_).full); |
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92 | BOOST_TEST(!parse("a+", rep2_).hit); |
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93 | |
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94 | // repeat 0 |
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95 | rule<> rep0 = repeat_p(0)[alpha_p] >> '/'; |
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96 | BOOST_TEST(parse("/", rep0).full); |
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97 | BOOST_TEST(!parse("a/", rep0).hit); |
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98 | |
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99 | // repeat 0 or 1 |
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100 | rule<> rep01 = repeat_p(0, 1)[alpha_p >> digit_p] >> '?'; |
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101 | BOOST_TEST(!parse("abcdefg?", rep01).hit); |
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102 | BOOST_TEST(!parse("a?", rep01).hit); |
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103 | BOOST_TEST(!parse("1?", rep01).hit); |
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104 | BOOST_TEST(!parse("11?", rep01).hit); |
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105 | BOOST_TEST(!parse("aa?", rep01).hit); |
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106 | BOOST_TEST(parse("?", rep01).full); |
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107 | BOOST_TEST(parse("a1?", rep01).full); |
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108 | } |
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109 | |
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110 | /////////////////////////////////////////////////////////////////////////////// |
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111 | // |
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112 | // Main |
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113 | // |
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114 | /////////////////////////////////////////////////////////////////////////////// |
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115 | int |
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116 | main() |
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117 | { |
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118 | loops_tests(); |
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119 | return boost::report_errors(); |
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120 | } |
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121 | |
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