diff options
Diffstat (limited to 'lib/frame_query.cpp')
-rw-r--r-- | lib/frame_query.cpp | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/lib/frame_query.cpp b/lib/frame_query.cpp new file mode 100644 index 0000000..6583da4 --- /dev/null +++ b/lib/frame_query.cpp | |||
@@ -0,0 +1,142 @@ | |||
1 | #include "verbly.h" | ||
2 | #include <json.hpp> | ||
3 | |||
4 | using json = nlohmann::json; | ||
5 | |||
6 | namespace verbly { | ||
7 | |||
8 | frame_query::frame_query(const data& _data) : _data(_data) | ||
9 | { | ||
10 | |||
11 | } | ||
12 | |||
13 | frame_query& frame_query::for_verb(const verb& _v) | ||
14 | { | ||
15 | _for_verb.push_back(_v); | ||
16 | |||
17 | return *this; | ||
18 | } | ||
19 | |||
20 | frame::selrestr parse_selrestr(const json data) | ||
21 | { | ||
22 | if (data.find("children") != data.end()) | ||
23 | { | ||
24 | std::list<frame::selrestr> children; | ||
25 | std::transform(std::begin(data["children"]), std::end(data["children"]), std::back_inserter(children), &parse_selrestr); | ||
26 | |||
27 | return frame::selrestr{children, data["logic"] == "or"}; | ||
28 | } else if (data.find("type") != data.end()) | ||
29 | { | ||
30 | return frame::selrestr{data["type"].get<std::string>(), data["pos"].get<bool>()}; | ||
31 | } else { | ||
32 | return frame::selrestr{}; | ||
33 | } | ||
34 | } | ||
35 | |||
36 | std::list<frame> frame_query::run() const | ||
37 | { | ||
38 | std::stringstream construct; | ||
39 | construct << "SELECT frames.data, groups.data FROM frames INNER JOIN groups ON frames.group_id = groups.group_id"; | ||
40 | |||
41 | if (!_for_verb.empty()) | ||
42 | { | ||
43 | std::list<std::string> clauses(_for_verb.size(), "verb_id = @VERID"); | ||
44 | construct << " WHERE frames.group_id IN (SELECT group_id FROM verb_groups WHERE "; | ||
45 | construct << verbly::implode(std::begin(clauses), std::end(clauses), " OR "); | ||
46 | construct << ")"; | ||
47 | } | ||
48 | |||
49 | sqlite3_stmt* ppstmt; | ||
50 | std::string query = construct.str(); | ||
51 | if (sqlite3_prepare_v2(_data.ppdb, query.c_str(), query.length(), &ppstmt, NULL) != SQLITE_OK) | ||
52 | { | ||
53 | throw std::runtime_error(sqlite3_errmsg(_data.ppdb)); | ||
54 | } | ||
55 | |||
56 | for (auto verb : _for_verb) | ||
57 | { | ||
58 | sqlite3_bind_int(ppstmt, sqlite3_bind_parameter_index(ppstmt, "@VERID"), verb._id); | ||
59 | } | ||
60 | |||
61 | std::list<frame> output; | ||
62 | while (sqlite3_step(ppstmt) == SQLITE_ROW) | ||
63 | { | ||
64 | frame f; | ||
65 | |||
66 | std::string fdatat(reinterpret_cast<const char*>(sqlite3_column_blob(ppstmt, 0))); | ||
67 | const json fdata = json::parse(fdatat); | ||
68 | for (const auto& part : fdata) | ||
69 | { | ||
70 | frame::part p; | ||
71 | |||
72 | if (part["type"] == "np") | ||
73 | { | ||
74 | p._type = frame::part::type::noun_phrase; | ||
75 | new(&p._noun_phrase.role) std::string(part["role"].get<std::string>()); | ||
76 | new(&p._noun_phrase.selrestrs) frame::selrestr(parse_selrestr(part["selrestrs"])); | ||
77 | new(&p._noun_phrase.synrestrs) std::set<std::string>(); | ||
78 | for (auto synrestr : part["synrestrs"]) | ||
79 | { | ||
80 | p._noun_phrase.synrestrs.insert(synrestr.get<std::string>()); | ||
81 | } | ||
82 | } else if (part["type"] == "pp") | ||
83 | { | ||
84 | if (!part["values"].empty()) | ||
85 | { | ||
86 | p._type = frame::part::type::literal_preposition; | ||
87 | new(&p._literal_preposition.choices) std::vector<std::string>(); | ||
88 | for (auto choice : part["values"]) | ||
89 | { | ||
90 | p._literal_preposition.choices.push_back(choice.get<std::string>()); | ||
91 | } | ||
92 | } else if (!part["preprestrs"].empty()) | ||
93 | { | ||
94 | p._type = frame::part::type::selection_preposition; | ||
95 | new(&p._selection_preposition.preprestrs) std::vector<std::string>(); | ||
96 | for (auto preprestr : part["preprestrs"]) | ||
97 | { | ||
98 | p._selection_preposition.preprestrs.push_back(preprestr.get<std::string>()); | ||
99 | } | ||
100 | } | ||
101 | } else if (part["type"] == "v") | ||
102 | { | ||
103 | p._type = frame::part::type::verb; | ||
104 | } else if (part["type"] == "adj") | ||
105 | { | ||
106 | p._type = frame::part::type::adjective; | ||
107 | } else if (part["type"] == "adv") | ||
108 | { | ||
109 | p._type = frame::part::type::adverb; | ||
110 | } else if (part["type"] == "lex") | ||
111 | { | ||
112 | p._type = frame::part::type::literal; | ||
113 | new(&p._literal.lexval) std::string(part["value"].get<std::string>()); | ||
114 | } | ||
115 | |||
116 | f._parts.push_back(p); | ||
117 | } | ||
118 | |||
119 | std::string rdatat(reinterpret_cast<const char*>(sqlite3_column_blob(ppstmt, 1))); | ||
120 | const json rdata = json::parse(rdatat); | ||
121 | for (const auto& role : rdata) | ||
122 | { | ||
123 | std::string rt = role["type"]; | ||
124 | frame::selrestr rs; | ||
125 | |||
126 | if (role.find("selrestrs") != role.end()) | ||
127 | { | ||
128 | rs = parse_selrestr(role["selrestrs"]); | ||
129 | } | ||
130 | |||
131 | f._roles[rt] = rs; | ||
132 | } | ||
133 | |||
134 | output.push_back(f); | ||
135 | } | ||
136 | |||
137 | sqlite3_finalize(ppstmt); | ||
138 | |||
139 | return output; | ||
140 | } | ||
141 | |||
142 | }; | ||