Morfeusz.cpp
9.23 KB
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
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
/*
* File: Morfeusz.cpp
* Author: mlenart
*
* Created on November 13, 2013, 5:21 PM
*/
#include <string>
#include <iostream>
#include "fsa/fsa.hpp"
#include "utils.hpp"
#include "data/default_fsa.hpp"
#include "Morfeusz.hpp"
#include "MorphDeserializer.hpp"
#include "InterpretedChunksDecoder.hpp"
#include "charset/CharsetConverter.hpp"
#include "charset/charset_utils.hpp"
#include "charset/CaseConverter.hpp"
#include "segrules/segrules.hpp"
#include "const.hpp"
// TODO - konstruktor kopiujący działający Tak-Jak-Trzeba
using namespace std;
static MorfeuszOptions createDefaultOptions() {
MorfeuszOptions res;
res.caseSensitive = true;
res.encoding = UTF8;
return res;
}
Morfeusz::Morfeusz()
: analyzerEnv(DEFAULT_MORFEUSZ_CHARSET, ANALYZER, DEFAULT_FSA),
generatorEnv(DEFAULT_MORFEUSZ_CHARSET, GENERATOR, DEFAULT_SYNTH_FSA),
options(createDefaultOptions()) {
}
void Morfeusz::setAnalyzerFile(const string& filename) {
this->analyzerEnv.setFSAFile(filename);
}
void Morfeusz::setGeneratorFile(const string& filename) {
this->generatorEnv.setFSAFile(filename);
}
Morfeusz::~Morfeusz() {
}
void Morfeusz::processOneWord(
const Environment& env,
const char*& inputStart,
const char* inputEnd,
int startNodeNum,
std::vector<MorphInterpretation>& results) const {
while (inputStart != inputEnd
&& isEndOfWord(env.getCharsetConverter().peek(inputStart, inputEnd))) {
env.getCharsetConverter().next(inputStart, inputEnd);
}
vector<InterpretedChunk> accum;
FlexionGraph graph;
const char* currInput = inputStart;
const SegrulesFSA& segrulesFSA = env.getCurrentSegrulesFSA();
doProcessOneWord(env, currInput, inputEnd, segrulesFSA.initialState, accum, graph);
if (!graph.empty()) {
const InterpretedChunksDecoder& interpretedChunksDecoder = env.getInterpretedChunksDecoder();
int srcNode = startNodeNum;
for (unsigned int i = 0; i < graph.getTheGraph().size(); i++) {
vector<FlexionGraph::Edge>& edges = graph.getTheGraph()[i];
for (unsigned int j = 0; j < edges.size(); j++) {
FlexionGraph::Edge& e = edges[j];
int targetNode = startNodeNum + e.nextNode;
interpretedChunksDecoder.decode(srcNode, targetNode, e.chunk, results);
}
srcNode++;
}
}
else if (inputStart != inputEnd) {
this->appendIgnotiumToResults(env, string(inputStart, currInput), startNodeNum, results);
}
inputStart = currInput;
}
static inline void doShiftOrth(InterpretedChunk& from, InterpretedChunk& to) {
to.prefixChunks.insert(
to.prefixChunks.begin(),
from.prefixChunks.begin(),
from.prefixChunks.end());
to.prefixChunks.push_back(from);
from.orthWasShifted = true;
to.chunkStartPtr = from.chunkStartPtr;
}
void Morfeusz::doProcessOneWord(
const Environment& env,
const char*& inputData,
const char* inputEnd,
SegrulesState segrulesState,
vector<InterpretedChunk>& accum,
FlexionGraph& graph) const {
// cerr << "doAnalyzeOneWord " << inputData << endl;
const char* currInput = inputData;
uint32_t codepoint = inputData == inputEnd ? 0 : env.getCharsetConverter().next(currInput, inputEnd);
vector<uint32_t> originalCodepoints;
vector<uint32_t> normalizedCodepoints;
StateType state = env.getFSA().getInitialState();
while (!isEndOfWord(codepoint)) {
uint32_t normalizedCodepoint = env.getProcessorType() == ANALYZER
? env.getCaseConverter().toLower(codepoint)
: codepoint;
originalCodepoints.push_back(codepoint);
normalizedCodepoints.push_back(normalizedCodepoint);
feedState(state, normalizedCodepoint, UTF8CharsetConverter());
codepoint = currInput == inputEnd ? 0 : env.getCharsetConverter().peek(currInput, inputEnd);
string homonymId;
if (env.getProcessorType() == GENERATOR && codepoint == 0x3A && currInput + 1 != inputEnd) {
if (originalCodepoints.size() == 1) {
throw MorfeuszException("Lemma of length > 1 cannot start with a colon");
}
homonymId = string(currInput + 1, inputEnd);
// cerr << "homonym " << homonymId << endl;
currInput = inputEnd;
codepoint = 0x00;
}
if (state.isAccepting()) {
vector<InterpsGroup> val(state.getValue());
for (unsigned int i = 0; i < val.size(); i++) {
InterpsGroup& ig = val[i];
// cerr << "accept at '" << currInput << "' type=" << (int) ig.type << endl;
set<SegrulesState> newSegrulesStates;
env.getCurrentSegrulesFSA().proceedToNext(ig.type, segrulesState, newSegrulesStates);
// cerr << "newSegrulesStates.size() " << newSegrulesStates.size() << endl;
for (
set<SegrulesState>::iterator it = newSegrulesStates.begin();
it != newSegrulesStates.end();
++it) {
SegrulesState newSegrulesState = *it;
InterpretedChunk ic = {
inputData,
originalCodepoints,
normalizedCodepoints,
ig,
newSegrulesState.shiftOrthFromPrevious,
false,
vector<InterpretedChunk>(),
homonymId
};
if (!accum.empty() && accum.back().shiftOrth) {
doShiftOrth(accum.back(), ic);
}
accum.push_back(ic);
if (isEndOfWord(codepoint) && newSegrulesState.accepting) {
graph.addPath(accum);
}
else if (!isEndOfWord(codepoint)) {
// cerr << "will process " << currInput << endl;
const char* newCurrInput = currInput;
doProcessOneWord(env, newCurrInput, inputEnd, newSegrulesState, accum, graph);
}
accum.pop_back();
}
}
}
codepoint = currInput == inputEnd || isEndOfWord(codepoint) ? 0 : env.getCharsetConverter().next(currInput, inputEnd);
}
inputData = currInput;
}
void Morfeusz::appendIgnotiumToResults(
const Environment& env,
const string& word,
int startNodeNum,
std::vector<MorphInterpretation>& results) const {
MorphInterpretation interp = MorphInterpretation::createIgn(startNodeNum, word, env.getTagset(), env.getCharsetConverter());
results.push_back(interp);
}
ResultsIterator Morfeusz::analyze(const string& text) const {
vector<MorphInterpretation> res;
this->analyze(text, res);
return ResultsIterator(res);
}
void Morfeusz::analyze(const string& text, vector<MorphInterpretation>& results) const {
const char* input = text.c_str();
const char* inputEnd = input + text.length();
while (input != inputEnd) {
int startNode = results.empty() ? 0 : results.back().getEndNode();
this->processOneWord(this->analyzerEnv, input, inputEnd, startNode, results);
}
}
ResultsIterator Morfeusz::generate(const string& text) const {
vector<MorphInterpretation> res;
this->generate(text, res);
return ResultsIterator(res);
}
ResultsIterator Morfeusz::generate(const string& text, int tagnum) const {
vector<MorphInterpretation> res;
this->generate(text, tagnum, res);
return ResultsIterator(res);
}
void Morfeusz::generate(const string& lemma, vector<MorphInterpretation>& results) const {
const char* input = lemma.c_str();
const char* inputEnd = input + lemma.length();
while (input != inputEnd) {
int startNode = results.empty() ? 0 : results.back().getEndNode();
this->processOneWord(this->generatorEnv, input, inputEnd, startNode, results);
}
}
// XXX - someday it should be improved
void Morfeusz::generate(const std::string& lemma, int tagnum, vector<MorphInterpretation>& result) const {
vector<MorphInterpretation> partRes;
this->generate(lemma, partRes);
for (unsigned int i = 0; i < partRes.size(); i++) {
if (partRes[i].getTagnum() == tagnum) {
result.push_back(partRes[i]);
}
}
}
void Morfeusz::setCharset(MorfeuszCharset charset) {
this->options.encoding = charset;
this->analyzerEnv.setCharset(charset);
this->generatorEnv.setCharset(charset);
}
void Morfeusz::setAggl(const std::string& aggl) {
this->analyzerEnv.setSegrulesOption("aggl", aggl);
this->generatorEnv.setSegrulesOption("aggl", aggl);
}
void Morfeusz::setPraet(const std::string& praet) {
this->analyzerEnv.setSegrulesOption("praet", praet);
this->generatorEnv.setSegrulesOption("praet", praet);
}
ResultsIterator::ResultsIterator(const vector<MorphInterpretation>& res) {
resultsBuffer.insert(resultsBuffer.begin(), res.begin(), res.end());
}
MorphInterpretation ResultsIterator::getNext() {
MorphInterpretation res = this->resultsBuffer.front();
this->resultsBuffer.pop_front();
return res;
}
bool ResultsIterator::hasNext() {
return !resultsBuffer.empty();
}