Morfeusz.cpp
14.3 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
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
/*
* 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"
#include "charset/utf8.h"
// TODO - konstruktor kopiujący działający Tak-Jak-Trzeba
using namespace std;
static MorfeuszOptions createDefaultOptions() {
MorfeuszOptions res;
res.caseSensitive = true;
res.encoding = UTF8;
res.debug = false;
return res;
}
Morfeusz::Morfeusz()
: analyzerEnv(DEFAULT_MORFEUSZ_CHARSET, ANALYZER, DEFAULT_FSA),
generatorEnv(DEFAULT_MORFEUSZ_CHARSET, GENERATOR, DEFAULT_SYNTH_FSA),
options(createDefaultOptions()) {
analyzerEnv.setCaseSensitive(options.caseSensitive);
generatorEnv.setCaseSensitive(false);
}
void Morfeusz::setAnalyzerFile(const string& filename) {
this->analyzerEnv.setFSAFile(filename);
}
void Morfeusz::setGeneratorFile(const string& filename) {
this->generatorEnv.setFSAFile(filename);
}
Morfeusz::~Morfeusz() {
}
string Morfeusz::prepareStringToProcess(const std::string& str) const {
string res;
res.reserve(str.size());
utf8::replace_invalid(str.begin(), str.end(), back_inserter(res));
return res;
}
void Morfeusz::processOneWord(
const Environment& env,
const char*& inputStart,
const char* inputEnd,
int startNodeNum,
std::vector<MorphInterpretation>& results,
bool insideIgnHandler) const {
while (inputStart != inputEnd
&& isEndOfWord(env.getCharsetConverter().peek(inputStart, inputEnd))) {
env.getCharsetConverter().next(inputStart, inputEnd);
}
vector<InterpretedChunk> accum;
InflexionGraph 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<InflexionGraph::Edge>& edges = graph.getTheGraph()[i];
for (unsigned int j = 0; j < edges.size(); j++) {
InflexionGraph::Edge& e = edges[j];
int targetNode = startNodeNum + e.nextNode;
interpretedChunksDecoder.decode(srcNode, targetNode, e.chunk, results);
}
srcNode++;
}
}
else if (inputStart != inputEnd
&& env.getProcessorType() == ANALYZER
&& !insideIgnHandler) {
this->handleIgnChunk(env, inputStart, currInput, startNodeNum, results);
// this->appendIgnotiumToResults(env, string(inputStart, currInput), startNodeNum, results);
}
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;
}
static inline string debugInterpsGroup(unsigned char type, const char* startPtr, const char* endPtr) {
stringstream res;
res << "(" << (int) type << ", " << string(startPtr, endPtr) << "), ";
return res.str();
}
static inline string debugAccum(vector<InterpretedChunk>& accum) {
stringstream res;
for (unsigned int i = 0; i < accum.size(); i++) {
res << debugInterpsGroup(accum[i].interpsGroup.type, accum[i].chunkStartPtr, accum[i].chunkEndPtr);
// res << "(" << (int) accum[i].interpsGroup.type << ", " << string(accum[i].chunkStartPtr, accum[i].chunkStartPtr) << "), ";
}
return res.str();
}
void Morfeusz::doProcessOneWord(
const Environment& env,
const char*& inputData,
const char* inputEnd,
SegrulesState segrulesState,
vector<InterpretedChunk>& accum,
InflexionGraph& graph) const {
// if (this->options.debug) {
// cerr << "----------" << endl;
// cerr << "PROCESS: '" << inputData << "', already recognized: " << debugAccum(accum) << endl;
// }
// cerr << "doAnalyzeOneWord " << inputData << endl;
const char* inputStart = inputData;
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];
vector<bool> casePattern;
// env.getCasePatternHelper().skipCasePattern(ig.ptr);
const unsigned char* casePatternPtr = ig.ptr;
env.getCasePatternHelper().deserializeCasePattern(casePatternPtr, casePattern);
if (this->options.debug) {
cerr << "recognized: " << debugInterpsGroup(ig.type, inputStart, currInput) << " at: '" << inputStart << "'" << endl;
}
if (env.getCasePatternHelper().checkCasePattern(normalizedCodepoints, originalCodepoints, casePattern)) {
// if (true) {
// cerr << "accept at '" << currInput << "' type=" << (int) ig.type << endl;
set<SegrulesState> newSegrulesStates;
env.getCurrentSegrulesFSA().proceedToNext(ig.type, segrulesState, newSegrulesStates);
if (this->options.debug && newSegrulesStates.empty()) {
cerr << "NOT ACCEPTING " << debugAccum(accum) << debugInterpsGroup(ig.type, inputStart, currInput) << endl;
}
// cerr << "newSegrulesStates.size() " << newSegrulesStates.size() << endl;
for (
set<SegrulesState>::iterator it = newSegrulesStates.begin();
it != newSegrulesStates.end();
++it) {
SegrulesState newSegrulesState = *it;
InterpretedChunk ic = {
inputStart,
currInput,
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) {
if (this->options.debug) {
cerr << "ACCEPTING " << debugAccum(accum) << endl;
}
graph.addPath(accum, newSegrulesState.weak);
}
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::handleIgnChunk(
const Environment& env,
const char* inputStart,
const char* inputEnd,
int startNodeNum,
std::vector<MorphInterpretation>& results) const {
const char* currInput = inputStart;
const char* prevInput;
uint32_t codepoint;
bool separatorFound = false;
while (currInput != inputEnd) {
prevInput = currInput;
const char* nonSeparatorInputEnd = prevInput;
do {
codepoint = env.getCharsetConverter().next(currInput, inputEnd);
if (!env.isSeparator(codepoint)) {
nonSeparatorInputEnd = currInput;
}
}
while (currInput != inputEnd && !env.isSeparator(codepoint));
if (env.isSeparator(codepoint)) {
separatorFound = true;
if (nonSeparatorInputEnd != prevInput) {
int startNode = results.empty() ? startNodeNum : results.back().getEndNode();
this->processOneWord(env, prevInput, nonSeparatorInputEnd, startNode, results, true);
startNode = results.empty() ? startNodeNum : results.back().getEndNode();
this->processOneWord(env, nonSeparatorInputEnd, currInput, startNode, results, true);
}
else {
int startNode = results.empty() ? startNodeNum : results.back().getEndNode();
this->processOneWord(env, prevInput, currInput, startNode, results, true);
}
}
}
// currInput == inputEnd
if (!env.isSeparator(codepoint)) {
if (separatorFound) {
int startNode = results.empty() ? startNodeNum : results.back().getEndNode();
this->processOneWord(env, prevInput, inputEnd, startNode, results, true);
}
else {
this->appendIgnotiumToResults(env, string(inputStart, inputEnd), startNodeNum, results);
}
}
}
void Morfeusz::appendIgnotiumToResults(
const Environment& env,
const string& word,
int startNodeNum,
std::vector<MorphInterpretation>& results) const {
MorphInterpretation interp = MorphInterpretation::createIgn(startNodeNum, word, env);
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 {
string preparedText = this->prepareStringToProcess(text);
const char* input = preparedText.c_str();
const char* inputEnd = input + preparedText.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& text, vector<MorphInterpretation>& results) const {
string lemma = this->prepareStringToProcess(text);
const char* input = lemma.c_str();
const char* inputEnd = input + lemma.length();
int startNode = 0;
this->processOneWord(this->generatorEnv, input, inputEnd, startNode, results);
if (input != inputEnd) {
throw MorfeuszException("Input contains more than one word");
}
}
// 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);
}
void Morfeusz::setCaseSensitive(bool caseSensitive) {
this->options.caseSensitive = caseSensitive;
this->analyzerEnv.setCaseSensitive(caseSensitive);
}
void Morfeusz::setDebug(bool debug) {
this->options.debug = debug;
}
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();
}