Morfeusz.cpp
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/*
* 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 "deserializationUtils.hpp"
#include "charset/utf8.h"
#include "compressionByteUtils.hpp"
// 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()),
accum(),
graph() {
analyzerEnv.setCaseSensitive(options.caseSensitive);
generatorEnv.setCaseSensitive(false);
}
inline const unsigned char* getInterpretationsPtr(const Environment& env, const InterpsGroup& ig) {
if (env.getProcessorType() == ANALYZER) {
if (hasCompressedOrthCasePatterns(*ig.ptr)) {
return ig.ptr + 1;
}
else {
const unsigned char* currPtr = ig.ptr + 1;
unsigned char casePatternsNum = readInt8(currPtr);
for (unsigned int i = 0; i < casePatternsNum; i++) {
env.getCasePatternHelper().deserializeOneCasePattern(currPtr);
}
return currPtr;
}
}
else {
return ig.ptr;
}
}
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,
bool insideIgnHandler) const {
while (inputStart != inputEnd
&& isWhitespace(env.getCharsetConverter().peek(inputStart, inputEnd))) {
env.getCharsetConverter().next(inputStart, inputEnd);
}
accum.clear();
graph.clear();
const char* currInput = inputStart;
const SegrulesFSA& segrulesFSA = env.getCurrentSegrulesFSA();
doProcessOneWord(env, currInput, inputEnd, segrulesFSA.initialState);
if (!graph.empty()) {
const InterpretedChunksDecoder& interpretedChunksDecoder = env.getInterpretedChunksDecoder();
int srcNode = startNodeNum;
for (unsigned int i = 0; i < graph.getTheGraph().size(); i++) {
const vector<InflexionGraph::Edge>& edges = graph.getTheGraph()[i];
for (unsigned int j = 0; j < edges.size(); j++) {
const 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);
}
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.textStartPtr = from.textStartPtr;
}
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].segmentType, accum[i].textStartPtr, accum[i].textEndPtr);
// res << "(" << (int) accum[i].interpsGroup.type << ", " << string(accum[i].chunkStartPtr, accum[i].chunkStartPtr) << "), ";
}
return res.str();
}
static inline void feedStateDirectly(
StateType& state,
const char* inputStart,
const char* inputEnd) {
const char* currInput = inputStart;
while (currInput != inputEnd && !state.isSink()) {
state.proceedToNext(*currInput++);
}
}
static inline void feedState(
StateType& state,
int codepoint) {
std::string chars;
UTF8CharsetConverter::getInstance().append(codepoint, chars);
for (unsigned int i = 0; i < chars.length() && !state.isSink(); i++) {
state.proceedToNext(chars[i]);
}
}
void Morfeusz::doProcessOneWord(
const Environment& env,
const char*& inputData,
const char* inputEnd,
SegrulesState segrulesState) 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* prevInput = inputData;
const char* currInput = inputData;
uint32_t codepoint = inputData == inputEnd ? 0 : env.getCharsetConverter().next(currInput, inputEnd);
bool currCodepointIsWhitespace = isWhitespace(codepoint);
vector<uint32_t> originalCodepoints;
vector<uint32_t> normalizedCodepoints;
originalCodepoints.reserve(16);
normalizedCodepoints.reserve(16);
StateType state = env.getFSA().getInitialState();
while (!currCodepointIsWhitespace) {
uint32_t normalizedCodepoint = env.getProcessorType() == ANALYZER
? env.getCaseConverter().toLower(codepoint)
: codepoint;
originalCodepoints.push_back(codepoint);
normalizedCodepoints.push_back(normalizedCodepoint);
if (codepoint == normalizedCodepoint && &env.getCharsetConverter() == &UTF8CharsetConverter::getInstance()) {
feedStateDirectly(state, prevInput, currInput);
}
else {
feedState(state, normalizedCodepoint);
}
codepoint = currInput == inputEnd ? 0 : env.getCharsetConverter().peek(currInput, inputEnd);
currCodepointIsWhitespace = isWhitespace(codepoint);
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;
prevInput = currInput;
currInput = inputEnd;
codepoint = 0x00;
currCodepointIsWhitespace = true;
}
if (state.isAccepting()) {
vector<InterpsGroup> val(state.getValue());
for (unsigned int i = 0; i < val.size(); i++) {
InterpsGroup& ig = val[i];
if (this->options.debug) {
cerr << "recognized: " << debugInterpsGroup(ig.type, inputStart, currInput) << " at: '" << inputStart << "'" << endl;
}
vector<SegrulesState> newSegrulesStates = env.getCurrentSegrulesFSA().proceedToNext(ig.type, segrulesState, currCodepointIsWhitespace);
if (!newSegrulesStates.empty()
&& env.getCasePatternHelper().checkInterpsGroupOrthCasePatterns(normalizedCodepoints, originalCodepoints, ig)) {
for (
vector<SegrulesState>::iterator it = newSegrulesStates.begin();
it != newSegrulesStates.end();
++it) {
SegrulesState newSegrulesState = *it;
const unsigned char* interpsPtr = getInterpretationsPtr(env, ig);
const unsigned char* interpsEndPtr = ig.ptr + ig.size;
InterpretedChunk ic = {
ig.type,
inputStart,
currInput,
originalCodepoints,
normalizedCodepoints,
ig.ptr,
interpsPtr,
interpsEndPtr,
newSegrulesState.shiftOrthFromPrevious,
false,
vector<InterpretedChunk>(),
homonymId
};
if (!accum.empty() && accum.back().shiftOrth) {
doShiftOrth(accum.back(), ic);
}
accum.push_back(ic);
if (currCodepointIsWhitespace) {
assert(newSegrulesState.accepting);
if (this->options.debug) {
cerr << "ACCEPTING " << debugAccum(accum) << endl;
}
graph.addPath(accum, newSegrulesState.weak);
}
else {
assert(!newSegrulesState.sink);
// cerr << "will process " << currInput << endl;
const char* newCurrInput = currInput;
doProcessOneWord(env, newCurrInput, inputEnd, newSegrulesState);
}
accum.pop_back();
}
}
else if (this->options.debug) {
cerr << !newSegrulesStates.empty() << env.getCasePatternHelper().checkInterpsGroupOrthCasePatterns(normalizedCodepoints, originalCodepoints, ig) << endl;
cerr << "NOT ACCEPTING " << debugAccum(accum) << debugInterpsGroup(ig.type, inputStart, currInput) << endl;
}
}
}
prevInput = currInput;
codepoint = currInput == inputEnd || currCodepointIsWhitespace ? 0x00 : 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 = 0x00;
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 {
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();
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();
}