1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
#include <Common/FrequencyHolder.h>
#if USE_NLP
#error include <incbin.h>
/// Embedded SQL definitions
INCBIN(resource_charset_zst, SOURCE_DIR "/contrib/nlp-data/charset.zst");
INCBIN(resource_tonality_ru_zst, SOURCE_DIR "/contrib/nlp-data/tonality_ru.zst");
INCBIN(resource_programming_zst, SOURCE_DIR "/contrib/nlp-data/programming.zst");
namespace DB
{
namespace ErrorCodes
{
extern const int FILE_DOESNT_EXIST;
}
FrequencyHolder & FrequencyHolder::getInstance()
{
static FrequencyHolder instance;
return instance;
}
FrequencyHolder::FrequencyHolder()
{
loadEmotionalDict();
loadEncodingsFrequency();
loadProgrammingFrequency();
}
void FrequencyHolder::loadEncodingsFrequency()
{
Poco::Logger * log = &Poco::Logger::get("EncodingsFrequency");
LOG_TRACE(log, "Loading embedded charset frequencies");
std::string_view resource(reinterpret_cast<const char *>(gresource_charset_zstData), gresource_charset_zstSize);
if (resource.empty())
throw Exception(ErrorCodes::FILE_DOESNT_EXIST, "There is no embedded charset frequencies");
String line;
UInt16 bigram;
Float64 frequency;
String charset_name;
auto buf = std::make_unique<ReadBufferFromMemory>(resource.data(), resource.size());
ZstdInflatingReadBuffer in(std::move(buf));
while (!in.eof())
{
readString(line, in);
in.ignore();
if (line.empty())
continue;
ReadBufferFromString buf_line(line);
// Start loading a new charset
if (line.starts_with("// "))
{
// Skip "// "
buf_line.ignore(3);
readString(charset_name, buf_line);
/* In our dictionary we have lines with form: <Language>_<Charset>
* If we need to find language of data, we return <Language>
* If we need to find charset of data, we return <Charset>.
*/
size_t sep = charset_name.find('_');
Encoding enc;
enc.lang = charset_name.substr(0, sep);
enc.name = charset_name.substr(sep + 1);
encodings_freq.push_back(std::move(enc));
}
else
{
readIntText(bigram, buf_line);
buf_line.ignore();
readFloatText(frequency, buf_line);
encodings_freq.back().map[bigram] = frequency;
}
}
LOG_TRACE(log, "Charset frequencies was added, charsets count: {}", encodings_freq.size());
}
void FrequencyHolder::loadEmotionalDict()
{
Poco::Logger * log = &Poco::Logger::get("EmotionalDict");
LOG_TRACE(log, "Loading embedded emotional dictionary");
std::string_view resource(reinterpret_cast<const char *>(gresource_tonality_ru_zstData), gresource_tonality_ru_zstSize);
if (resource.empty())
throw Exception(ErrorCodes::FILE_DOESNT_EXIST, "There is no embedded emotional dictionary");
String line;
String word;
Float64 tonality;
size_t count = 0;
auto buf = std::make_unique<ReadBufferFromMemory>(resource.data(), resource.size());
ZstdInflatingReadBuffer in(std::move(buf));
while (!in.eof())
{
readString(line, in);
in.ignore();
if (line.empty())
continue;
ReadBufferFromString buf_line(line);
readStringUntilWhitespace(word, buf_line);
buf_line.ignore();
readFloatText(tonality, buf_line);
StringRef ref{string_pool.insert(word.data(), word.size()), word.size()};
emotional_dict[ref] = tonality;
++count;
}
LOG_TRACE(log, "Emotional dictionary was added. Word count: {}", std::to_string(count));
}
void FrequencyHolder::loadProgrammingFrequency()
{
Poco::Logger * log = &Poco::Logger::get("ProgrammingFrequency");
LOG_TRACE(log, "Loading embedded programming languages frequencies loading");
std::string_view resource(reinterpret_cast<const char *>(gresource_programming_zstData), gresource_programming_zstSize);
if (resource.empty())
throw Exception(ErrorCodes::FILE_DOESNT_EXIST, "There is no embedded programming languages frequencies");
String line;
String bigram;
Float64 frequency;
String programming_language;
auto buf = std::make_unique<ReadBufferFromMemory>(resource.data(), resource.size());
ZstdInflatingReadBuffer in(std::move(buf));
while (!in.eof())
{
readString(line, in);
in.ignore();
if (line.empty())
continue;
ReadBufferFromString buf_line(line);
// Start loading a new language
if (line.starts_with("// "))
{
// Skip "// "
buf_line.ignore(3);
readString(programming_language, buf_line);
Language lang;
lang.name = programming_language;
programming_freq.push_back(std::move(lang));
}
else
{
readStringUntilWhitespace(bigram, buf_line);
buf_line.ignore();
readFloatText(frequency, buf_line);
StringRef ref{string_pool.insert(bigram.data(), bigram.size()), bigram.size()};
programming_freq.back().map[ref] = frequency;
}
}
LOG_TRACE(log, "Programming languages frequencies was added");
}
}
#endif
|
