Morfeusz.cpp
7.65 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
/*
* File: Morfeusz.cpp
* Author: mlenart
*
* Created on November 13, 2013, 5:21 PM
*/
#include <string>
#include <iostream>
#include "fsa.hpp"
#include "utils.hpp"
#include "Morfeusz.hpp"
#include "MorphDeserializer.hpp"
#include "InterpretedChunksDecoder.hpp"
#include "charset/CharsetConverter.hpp"
#include "charset/charset_utils.hpp"
#include "charset/CaseConverter.hpp"
// TODO - konstruktor kopiujący działający Tak-Jak-Trzeba
using namespace std;
static FSA<vector<InterpsGroup >> *initializeFSA(const string& filename) {
cerr << "initialize FSA" << endl;
static Deserializer < vector < InterpsGroup >> *deserializer
= new MorphDeserializer();
return FSA < vector < InterpsGroup >> ::getFSA(filename, *deserializer);
}
static CharsetConverter* initializeCharsetConverter() {
cerr << "initialize charset converter" << endl;
static CharsetConverter* converter = new UTF8CharsetConverter();
return converter;
}
static Tagset* initializeTagset(const string& filename) {
cerr << "initialize tagset" << endl;
static Tagset* tagset = new Tagset(readFile(filename.c_str()));
return tagset;
}
static CaseConverter* initializeCaseConverter() {
cerr << "initialize case converter" << endl;
static CaseConverter* cc = new CaseConverter();
return cc;
}
Morfeusz::Morfeusz(const string& filename)
: fsa(initializeFSA(filename)),
charsetConverter(initializeCharsetConverter()),
tagset(initializeTagset(filename)),
caseConverter(initializeCaseConverter()),
caseSensitive(true) {
}
Morfeusz::~Morfeusz() {
// delete &this->fsa;
// delete &this->charsetConverter;
}
void Morfeusz::processOneWord(
const char*& inputData,
const char* inputEnd,
int startNodeNum,
std::vector<MorphInterpretation>& results) const {
while (inputData != inputEnd
&& isEndOfWord(this->charsetConverter->peek(inputData, inputEnd))) {
this->charsetConverter->next(inputData, inputEnd);
}
const char* wordStart = inputData;
DEBUG(wordStart);
vector<InterpretedChunk> accum;
FlexionGraph graph;
const char* currInput = inputData;
doProcessOneWord(currInput, inputEnd, accum, graph);
if (!graph.empty()) {
InterpretedChunksDecoder interpretedChunksDecoder(*tagset, *charsetConverter, *caseConverter);
int srcNode = startNodeNum;
for (vector<FlexionGraph::Edge>& edges: graph.getTheGraph()) {
for (FlexionGraph::Edge& e: edges) {
int targetNode = startNodeNum + e.nextNode;
interpretedChunksDecoder.decode(srcNode, targetNode, e.chunk, back_inserter(results));
}
srcNode++;
}
// graph.getResults(*this->tagset, results);
}
else if (wordStart != currInput) {
this->appendIgnotiumToResults(string(wordStart, currInput), startNodeNum, results);
}
inputData = currInput;
}
void Morfeusz::doProcessOneWord(
const char*& inputData,
const char* inputEnd,
vector<InterpretedChunk>& accum,
FlexionGraph& graph) const {
bool endOfWord = inputData == inputEnd;
const char* currInput = inputData;
uint32_t codepoint = endOfWord ? 0 : this->charsetConverter->next(currInput, inputEnd);
// UnicodeChunk uchunk(*(this->charsetConverter), *(this->caseConverter));
vector<uint32_t> originalCodepoints;
vector<uint32_t> lowercaseCodepoints;
StateType state = this->fsa->getInitialState();
while (!isEndOfWord(codepoint)) {
uint32_t lowerCP = this->caseConverter->toLower(codepoint);
originalCodepoints.push_back(codepoint);
lowercaseCodepoints.push_back(lowerCP);
this->feedState(state, lowerCP);
if (state.isAccepting()) {
for (InterpsGroup& ig : state.getValue()) {
// for (EncodedInterpretation& ei: ig.interps) {
// cerr << "CUT: " << ei.lemma.suffixToCut << "; ADD: " << ei.lemma.suffixToAdd << endl;
// }
InterpretedChunk ic = {inputData, originalCodepoints, lowercaseCodepoints, ig};
accum.push_back(ic);
const char* newCurrInput = currInput;
doProcessOneWord(newCurrInput, inputEnd, accum, graph);
accum.pop_back();
}
}
codepoint = currInput == inputEnd ? 0 : this->charsetConverter->next(currInput, inputEnd);
}
if (state.isAccepting()) {
for (InterpsGroup& ig : state.getValue()) {
InterpretedChunk ic = {inputData, originalCodepoints, lowercaseCodepoints, ig};
accum.push_back(ic);
graph.addPath(accum);
accum.pop_back();
}
}
inputData = currInput;
}
void Morfeusz::feedState(
StateType& state,
int codepoint) const {
string chars;
this->charsetConverter->append(codepoint, chars);
for (char c : chars) {
state.proceedToNext(c);
}
}
void Morfeusz::appendIgnotiumToResults(
const string& word,
int startNodeNum,
std::vector<MorphInterpretation>& results) const {
MorphInterpretation interp = MorphInterpretation::createIgn(startNodeNum, word, *this->tagset);
results.push_back(interp);
}
ResultsIterator Morfeusz::analyze(const string& text) const {
// const char* textStart = text.c_str();
// const char* textEnd = text.c_str() + text.length();
return ResultsIterator(text, *this);
}
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();
DEBUG("process "+string(input, inputEnd));
this->processOneWord(input, inputEnd, startNode, results);
}
}
ResultsIterator::ResultsIterator(const string& text, const Morfeusz& morfeusz)
: rawInput(text.c_str()),
morfeusz(morfeusz) {
}
MorphInterpretation ResultsIterator::getNext() {
// if (resultsBuffer.empty()) {
// morfeusz.processOneWord(rawInput, startNode, back_inserter(resultsBuffer));
// }
// startNode = resultsBuffer.back().getEndNode();
// MorphInterpretation res = resultsBuffer.front();
// resultsBuffer.pop_front();
// return res;
}
bool ResultsIterator::hasNext() {
return rawInput[0] != '\0' && resultsBuffer.empty();
}
//int Morfeusz::doProcessOneWord(const char*& inputPtr, const char* inputEnd, int startNodeNum, std::vector<EncodedInterpretation>& interps) const {
// assert(inputPtr[0] != '\0');
// const char* start = inputPtr;
// StateType state = fsa->getInitialState();
// int currNodeNum = startNodeNum;
// int codepoint = this->charsetConverter->next(inputPtr, inputEnd);
// assert(!isEndOfWord(codepoint));
// while(!isEndOfWord(codepoint)) {
// feedState(state, codepoint);
// if (state.isAccepting()) {
// const char* currInputPtr = inputPtr;
// vector<EncodedInterpretation> startInterps = state.getValue();
// filterOutNonGluableInterps(startInterps);
// if (!startInterps.empty()) {
//
// }
// vector<EncodedInterpretation> additionalInterps;
// int nextNodeNum = doProcessOneWord(currInputPtr, inputEnd, currNodeNum + 1, additionalInterps);
// if (!additionalInterps.empty()) {
// for (EncodedInterpretation& interp: state.getValue()) {
// interp.startNode = currNodeNum;
// interp.endNode = currNodeNum + 1;
// interps.push_back(interp);
// }
//
// }
// }
// }
//}