diff options
Diffstat (limited to 'lib/lemma.cpp')
-rw-r--r-- | lib/lemma.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/lib/lemma.cpp b/lib/lemma.cpp new file mode 100644 index 0000000..f9e9fcc --- /dev/null +++ b/lib/lemma.cpp | |||
@@ -0,0 +1,69 @@ | |||
1 | #include "lemma.h" | ||
2 | #include <sqlite3.h> | ||
3 | #include "database.h" | ||
4 | #include "query.h" | ||
5 | |||
6 | namespace verbly { | ||
7 | |||
8 | const object lemma::objectType = object::lemma; | ||
9 | |||
10 | const std::list<std::string> lemma::select = {"lemma_id"}; | ||
11 | |||
12 | const field lemma::id = field::integerField(object::lemma, "lemma_id"); | ||
13 | |||
14 | const field lemma::word = field::joinField(object::lemma, "lemma_id", object::word); | ||
15 | |||
16 | const field lemma::formJoin = field::joinField(object::lemma, "form_id", object::form); | ||
17 | const field lemma::inflectionCategory = field::integerField(object::lemma, "category"); | ||
18 | |||
19 | filter operator%=(lemma::inflection_field check, filter joinCondition) | ||
20 | { | ||
21 | return (lemma::formJoin %= joinCondition) && (lemma::inflectionCategory == check.getCategory()); | ||
22 | } | ||
23 | |||
24 | lemma::lemma(const database& db, sqlite3_stmt* row) : db_(&db), valid_(true) | ||
25 | { | ||
26 | id_ = sqlite3_column_int(row, 0); | ||
27 | } | ||
28 | |||
29 | const form& lemma::getBaseForm() const | ||
30 | { | ||
31 | if (!valid_) | ||
32 | { | ||
33 | throw std::domain_error("Bad access to uninitialized lemma"); | ||
34 | } | ||
35 | |||
36 | if (!forms_.count(inflection::base)) | ||
37 | { | ||
38 | initializeForm(inflection::base); | ||
39 | } | ||
40 | |||
41 | return forms_.at(inflection::base).front(); | ||
42 | } | ||
43 | |||
44 | bool lemma::hasInflection(inflection category) const | ||
45 | { | ||
46 | return !getInflections(category).empty(); | ||
47 | } | ||
48 | |||
49 | const std::vector<form>& lemma::getInflections(inflection category) const | ||
50 | { | ||
51 | if (!valid_) | ||
52 | { | ||
53 | throw std::domain_error("Bad access to uninitialized lemma"); | ||
54 | } | ||
55 | |||
56 | if (!forms_.count(category)) | ||
57 | { | ||
58 | initializeForm(category); | ||
59 | } | ||
60 | |||
61 | return forms_.at(category); | ||
62 | } | ||
63 | |||
64 | void lemma::initializeForm(inflection infl) const | ||
65 | { | ||
66 | forms_[infl] = db_->forms(form::lemma(infl) %= *this, false, -1).all(); | ||
67 | } | ||
68 | |||
69 | }; | ||