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 "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()) {
}
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];
if (this->options.debug) {
cerr << "recognized: " << debugInterpsGroup(ig.type, inputStart, currInput) << " at: '" << inputStart << "'" << endl;
}
// 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;
}
static inline bool isSeparator(uint32_t codepoint) {
return codepoint == 44;
}
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 (!isSeparator(codepoint)) {
nonSeparatorInputEnd = currInput;
}
}
while (currInput != inputEnd && !isSeparator(codepoint));
if (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 (!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.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 {
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::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();
}