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-rw-r--r--lib/verb.cpp193
1 files changed, 193 insertions, 0 deletions
diff --git a/lib/verb.cpp b/lib/verb.cpp new file mode 100644 index 0000000..23f7c92 --- /dev/null +++ b/lib/verb.cpp
@@ -0,0 +1,193 @@
1#include "verbly.h"
2
3namespace verbly {
4
5 verb::verb(const data& _data, int _id) : word(_data, _id)
6 {
7
8 }
9
10 std::string verb::base_form() const
11 {
12 return _infinitive;
13 }
14
15 std::string verb::infinitive_form() const
16 {
17 return _infinitive;
18 }
19
20 std::string verb::past_tense_form() const
21 {
22 return _past_tense;
23 }
24
25 std::string verb::past_participle_form() const
26 {
27 return _past_participle;
28 }
29
30 std::string verb::ing_form() const
31 {
32 return _ing_form;
33 }
34
35 std::string verb::s_form() const
36 {
37 return _s_form;
38 }
39
40 verb_query::verb_query(const data& _data) : _data(_data)
41 {
42
43 }
44
45 verb_query& verb_query::limit(int _limit)
46 {
47 if ((_limit > 0) || (_limit == unlimited))
48 {
49 this->_limit = _limit;
50 }
51
52 return *this;
53 }
54
55 verb_query& verb_query::random(bool _random)
56 {
57 this->_random = _random;
58
59 return *this;
60 }
61
62 verb_query& verb_query::except(const verb& _word)
63 {
64 _except.push_back(_word);
65
66 return *this;
67 }
68
69 verb_query& verb_query::rhymes_with(const word& _word)
70 {
71 for (auto rhyme : _word.rhyme_phonemes())
72 {
73 _rhymes.push_back(rhyme);
74 }
75
76 if (dynamic_cast<const verb*>(&_word) != nullptr)
77 {
78 _except.push_back(dynamic_cast<const verb&>(_word));
79 }
80
81 return *this;
82 }
83
84 verb_query& verb_query::has_pronunciation(bool _has_prn)
85 {
86 this->_has_prn = _has_prn;
87
88 return *this;
89 }
90
91 std::list<verb> verb_query::run() const
92 {
93 std::stringstream construct;
94 construct << "SELECT verb_id, infinitive, past_tense, past_participle, ing_form, s_form FROM verbs";
95 std::list<std::string> conditions;
96
97 if (_has_prn)
98 {
99 conditions.push_back("verb_id IN (SELECT verb_id FROM verb_pronunciations)");
100 }
101
102 if (!_rhymes.empty())
103 {
104 std::list<std::string> clauses(_rhymes.size(), "pronunciation LIKE @RHMPRN");
105 std::string cond = "verb_id IN (SELECT verb_id FROM verb_pronunciations WHERE " + verbly::implode(std::begin(clauses), std::end(clauses), " OR ") + ")";
106 conditions.push_back(cond);
107 }
108
109 for (auto except : _except)
110 {
111 conditions.push_back("verb_id != @EXCID");
112 }
113
114 if (!conditions.empty())
115 {
116 construct << " WHERE ";
117 construct << verbly::implode(std::begin(conditions), std::end(conditions), " AND ");
118 }
119
120 if (_random)
121 {
122 construct << " ORDER BY RANDOM()";
123 }
124
125 if (_limit != unlimited)
126 {
127 construct << " LIMIT " << _limit;
128 }
129
130 sqlite3_stmt* ppstmt;
131 std::string query = construct.str();
132 if (sqlite3_prepare_v2(_data.ppdb, query.c_str(), query.length(), &ppstmt, NULL) != SQLITE_OK)
133 {
134 throw std::runtime_error(sqlite3_errmsg(_data.ppdb));
135 }
136
137 if (!_rhymes.empty())
138 {
139 int i = 0;
140 for (auto rhyme : _rhymes)
141 {
142 std::string rhymer = "%" + rhyme;
143 sqlite3_bind_text(ppstmt, sqlite3_bind_parameter_index(ppstmt, "@RHMPRN"), rhymer.c_str(), rhymer.length(), SQLITE_STATIC);
144
145 i++;
146 }
147 }
148
149 for (auto except : _except)
150 {
151 sqlite3_bind_int(ppstmt, sqlite3_bind_parameter_index(ppstmt, "@EXCID"), except._id);
152 }
153
154 std::list<verb> output;
155 while (sqlite3_step(ppstmt) == SQLITE_ROW)
156 {
157 verb tnc {_data, sqlite3_column_int(ppstmt, 0)};
158 tnc._infinitive = std::string(reinterpret_cast<const char*>(sqlite3_column_text(ppstmt, 1)));
159 tnc._past_tense = std::string(reinterpret_cast<const char*>(sqlite3_column_text(ppstmt, 2)));
160 tnc._past_participle = std::string(reinterpret_cast<const char*>(sqlite3_column_text(ppstmt, 3)));
161 tnc._ing_form = std::string(reinterpret_cast<const char*>(sqlite3_column_text(ppstmt, 4)));
162 tnc._s_form = std::string(reinterpret_cast<const char*>(sqlite3_column_text(ppstmt, 5)));
163
164 output.push_back(tnc);
165 }
166
167 sqlite3_finalize(ppstmt);
168
169 for (auto& verb : output)
170 {
171 query = "SELECT pronunciation FROM verb_pronunciations WHERE verb_id = ?";
172 if (sqlite3_prepare_v2(_data.ppdb, query.c_str(), query.length(), &ppstmt, NULL) != SQLITE_OK)
173 {
174 throw std::runtime_error(sqlite3_errmsg(_data.ppdb));
175 }
176
177 sqlite3_bind_int(ppstmt, 1, verb._id);
178
179 while (sqlite3_step(ppstmt) == SQLITE_ROW)
180 {
181 std::string pronunciation(reinterpret_cast<const char*>(sqlite3_column_text(ppstmt, 0)));
182 auto phonemes = verbly::split<std::list<std::string>>(pronunciation, " ");
183
184 verb.pronunciations.push_back(phonemes);
185 }
186
187 sqlite3_finalize(ppstmt);
188 }
189
190 return output;
191 }
192
193};