Kiwi/bindings/java/csrc/kiwi_java.cpp
2025-09-17 21:33:29 +09:00

776 lines
21 KiB
C++

#define _JNI_INT64_TO_INT
#include "JniUtils.hpp"
#include <chrono>
#include <sstream>
#include <kiwi/Kiwi.h>
#include <kiwi/Joiner.h>
struct Sentence
{
std::u16string text;
uint32_t start, end;
std::vector<Sentence> subSents;
std::optional<std::vector<kiwi::TokenInfo>> tokens;
};
struct JoinableToken
{
std::u16string form;
kiwi::POSTag tag;
bool inferRegularity;
kiwi::cmb::Space space;
};
struct AnalyzedMorph
{
std::u16string form;
kiwi::POSTag tag;
int start, end;
};
static auto gClsTokenInfo = jni::DataClassDefinition<kiwi::TokenInfo>()
.template property<&kiwi::TokenInfo::str>("form")
.template property<&kiwi::TokenInfo::position>("position")
.template property<&kiwi::TokenInfo::wordPosition>("wordPosition")
.template property<&kiwi::TokenInfo::sentPosition>("sentPosition")
.template property<&kiwi::TokenInfo::lineNumber>("lineNumber")
.template property<&kiwi::TokenInfo::length>("length")
.template property<&kiwi::TokenInfo::tag>("tag")
.template property<&kiwi::TokenInfo::senseId>("senseId")
.template property<&kiwi::TokenInfo::score>("score")
.template property<&kiwi::TokenInfo::typoCost>("typoCost")
.template property<&kiwi::TokenInfo::typoFormId>("typoFormId")
.template property<&kiwi::TokenInfo::pairedToken>("pairedToken")
.template property<&kiwi::TokenInfo::subSentPosition>("subSentPosition");
static auto gClsTokenResult = jni::DataClassDefinition<kiwi::TokenResult>()
.template property<&kiwi::TokenResult::first>("tokens")
.template property<&kiwi::TokenResult::second>("score");
static auto gClsSentence = jni::DataClassDefinition<Sentence>()
.template property<&Sentence::text>("text")
.template property<&Sentence::start>("start")
.template property<&Sentence::end>("end")
.template property<&Sentence::subSents>("subSents")
.template property<&Sentence::tokens>("tokens");
static auto gClsJoinableToken = jni::DataClassDefinition<JoinableToken>()
.template property<&JoinableToken::form>("form")
.template property<&JoinableToken::tag>("tag")
.template property<&JoinableToken::inferRegularity>("inferRegularity")
.template property<&JoinableToken::space>("space");
static auto gClsAnalyzedMorph = jni::DataClassDefinition<AnalyzedMorph>()
.template property<&AnalyzedMorph::form>("form")
.template property<&AnalyzedMorph::tag>("tag")
.template property<&AnalyzedMorph::start>("start")
.template property<&AnalyzedMorph::end>("end");
static auto gClsBasicToken = jni::DataClassDefinition<kiwi::BasicToken>()
.template property<&kiwi::BasicToken::form>("form")
.template property<&kiwi::BasicToken::begin>("begin")
.template property<&kiwi::BasicToken::end>("end")
.template property<&kiwi::BasicToken::tag>("tag");
static auto gClsPretokenizedSpan = jni::DataClassDefinition<kiwi::PretokenizedSpan>()
.template property<&kiwi::PretokenizedSpan::begin>("begin")
.template property<&kiwi::PretokenizedSpan::end>("end")
.template property<&kiwi::PretokenizedSpan::tokenization>("tokenization");
namespace jni
{
template<>
struct ValueBuilder<kiwi::BuildOption> : public ValueBuilder<uint32_t>
{
using CppType = kiwi::BuildOption;
using JniType = jint;
CppType fromJava(JNIEnv* env, JniType v)
{
return (CppType)v;
}
JniType toJava(JNIEnv* env, CppType v)
{
return (JniType)v;
}
};
template<>
struct ValueBuilder<kiwi::ModelType> : public ValueBuilder<uint32_t>
{
using CppType = kiwi::ModelType;
using JniType = jint;
CppType fromJava(JNIEnv* env, JniType v)
{
return (CppType)v;
}
JniType toJava(JNIEnv* env, CppType v)
{
return (JniType)v;
}
};
template<>
struct ValueBuilder<kiwi::Match> : public ValueBuilder<uint32_t>
{
using CppType = kiwi::Match;
using JniType = jint;
CppType fromJava(JNIEnv* env, JniType v)
{
return (CppType)v;
}
JniType toJava(JNIEnv* env, CppType v)
{
return (JniType)v;
}
};
template<>
struct ValueBuilder<kiwi::POSTag> : public ValueBuilder<uint8_t>
{
using CppType = kiwi::POSTag;
using JniType = jbyte;
CppType fromJava(JNIEnv* env, JniType v)
{
return (CppType)v;
}
JniType toJava(JNIEnv* env, CppType v)
{
return (JniType)v;
}
};
template<>
struct ValueBuilder<kiwi::cmb::Space> : public ValueBuilder<uint8_t>
{
using CppType = kiwi::cmb::Space;
using JniType = jbyte;
CppType fromJava(JNIEnv* env, JniType v)
{
return (CppType)v;
}
JniType toJava(JNIEnv* env, CppType v)
{
return (JniType)v;
}
};
template<>
struct ValueBuilder<kiwi::CondVowel> : public ValueBuilder<uint8_t>
{
using CppType = kiwi::CondVowel;
using JniType = jbyte;
CppType fromJava(JNIEnv* env, JniType v)
{
return (CppType)v;
}
JniType toJava(JNIEnv* env, CppType v)
{
return (JniType)v;
}
};
template<>
struct ValueBuilder<kiwi::Dialect> : public ValueBuilder<uint16_t>
{
using CppType = kiwi::Dialect;
using JniType = jshort;
CppType fromJava(JNIEnv* env, JniType v)
{
return (CppType)v;
}
JniType toJava(JNIEnv* env, CppType v)
{
return (JniType)v;
}
};
template<>
struct JClassName<kiwi::TokenResult>
{
static constexpr auto value = std::string_view{ "kr/pe/bab2min/Kiwi$TokenResult" };
};
template<>
struct ValueBuilder<kiwi::TokenResult> : public ValueBuilder<decltype(gClsTokenResult)>
{
};
template<>
struct JClassName<kiwi::TokenInfo>
{
static constexpr auto value = std::string_view{ "kr/pe/bab2min/Kiwi$Token" };
};
template<>
struct ValueBuilder<kiwi::TokenInfo> : public ValueBuilder<decltype(gClsTokenInfo)>
{
};
template<>
struct JClassName<Sentence>
{
static constexpr auto value = std::string_view{ "kr/pe/bab2min/Kiwi$Sentence" };
};
template<>
struct ValueBuilder<Sentence> : public ValueBuilder<decltype(gClsSentence)>
{
};
template<>
struct JClassName<JoinableToken>
{
static constexpr auto value = std::string_view{ "kr/pe/bab2min/Kiwi$JoinableToken" };
};
template<>
struct ValueBuilder<JoinableToken> : public ValueBuilder<decltype(gClsJoinableToken)>
{
};
template<>
struct JClassName<AnalyzedMorph>
{
static constexpr auto value = std::string_view{ "kr/pe/bab2min/KiwiBuilder$AnalyzedMorph" };
};
template<>
struct ValueBuilder<AnalyzedMorph> : public ValueBuilder<decltype(gClsAnalyzedMorph)>
{
};
template<>
struct JClassName<kiwi::BasicToken>
{
static constexpr auto value = std::string_view{ "kr/pe/bab2min/Kiwi$BasicToken" };
};
template<>
struct ValueBuilder<kiwi::BasicToken> : public ValueBuilder<decltype(gClsBasicToken)>
{
};
template<>
struct JClassName<kiwi::PretokenizedSpan>
{
static constexpr auto value = std::string_view{ "kr/pe/bab2min/Kiwi$PretokenizedSpan" };
};
template<>
struct ValueBuilder<kiwi::PretokenizedSpan> : public ValueBuilder<decltype(gClsPretokenizedSpan)>
{
};
}
class JKiwi;
class JMorphemeSet : jni::JObject<JMorphemeSet>
{
public:
static constexpr std::string_view className = "kr/pe/bab2min/Kiwi$MorphemeSet";
kiwi::Kiwi* kiwiObj = nullptr;
std::unordered_set<const kiwi::Morpheme*> morphSet;
JMorphemeSet(JKiwi* _kiwiObj = nullptr);
int add(const std::u16string& form, kiwi::POSTag tag)
{
if (!kiwiObj) return -1;
auto found = kiwiObj->findMorphemes(form, tag);
int added = 0;
for(auto& m : found) added += morphSet.emplace(m).second ? 1 : 0;
return added;
}
};
class JMultipleTokenResult : jni::JObject<JMultipleTokenResult>
{
public:
static constexpr std::string_view className = "kr/pe/bab2min/Kiwi$MultipleTokenResult";
jni::JUniqueGlobalRef<JKiwi> dp;
std::deque<std::future<std::vector<kiwi::TokenResult>>> futures;
jni::JIterator<std::u16string> texts;
size_t topN;
kiwi::Match matchOption;
JMorphemeSet* blocklist;
jni::JIterator<jni::JIterator<kiwi::PretokenizedSpan>> pretokenized;
JMultipleTokenResult(jni::JUniqueGlobalRef<JKiwi>&& _dp,
jni::JIterator<std::u16string> _texts,
size_t _topN,
kiwi::Match _matchOption,
JMorphemeSet* _blocklist,
jni::JIterator<jni::JIterator<kiwi::PretokenizedSpan>> _pretokenized
);
JMultipleTokenResult(JMultipleTokenResult&&) = default;
JMultipleTokenResult& operator=(JMultipleTokenResult&&) = default;
~JMultipleTokenResult()
{
waitQueue();
}
void waitQueue()
{
while (!futures.empty())
{
auto f = std::move(futures.front());
futures.pop_front();
f.get();
}
}
bool feed();
bool hasNext() const;
std::vector<kiwi::TokenResult> next();
};
class JFutureTokenResult : public std::future<std::vector<kiwi::TokenResult>>, jni::JObject<JFutureTokenResult>
{
public:
static constexpr std::string_view className = "kr/pe/bab2min/Kiwi$FutureTokenResult";
jni::JUniqueGlobalRef<JKiwi> dp;
JFutureTokenResult(jni::JUniqueGlobalRef<JKiwi>&& _dp, std::future<std::vector<kiwi::TokenResult>>&& inst)
: dp{ std::move(_dp) }, future{ std::move(inst) }
{}
bool isDone() const
{
using namespace std::chrono_literals;
return future::wait_for(1ns) == std::future_status::ready;
}
std::vector<kiwi::TokenResult> get()
{
return future::get();
}
};
class JKiwi : public kiwi::Kiwi, jni::JObject<JKiwi>
{
public:
static constexpr std::string_view className = "kr/pe/bab2min/Kiwi";
using kiwi::Kiwi::Kiwi;
JKiwi(Kiwi&& inst) : Kiwi{ std::move(inst) } {}
static std::string getVersion()
{
return KIWI_VERSION_STRING;
}
auto analyze(const std::u16string& text, uint64_t topN, kiwi::Match matchOption, JMorphemeSet* blocklist, jni::JIterator<kiwi::PretokenizedSpan> pretokenized) const
{
std::vector<kiwi::PretokenizedSpan> pretokenizedSpans;
if (pretokenized)
{
while (pretokenized.hasNext()) pretokenizedSpans.emplace_back(pretokenized.next());
}
return Kiwi::analyze(text, topN, kiwi::AnalyzeOption{ matchOption, blocklist ? &blocklist->morphSet : nullptr }, pretokenizedSpans);
}
JFutureTokenResult asyncAnalyze(jni::JRef<JKiwi> _ref, const std::u16string& text, uint64_t topN, kiwi::Match matchOption, JMorphemeSet* blocklist, jni::JIterator<kiwi::PretokenizedSpan> pretokenized) const
{
std::vector<kiwi::PretokenizedSpan> pretokenizedSpans;
if (pretokenized)
{
while (pretokenized.hasNext()) pretokenizedSpans.emplace_back(pretokenized.next());
}
return { _ref, Kiwi::asyncAnalyze(text, topN, kiwi::AnalyzeOption{ matchOption, blocklist ? &blocklist->morphSet : nullptr}, pretokenizedSpans) };
}
JMultipleTokenResult analyze2(jni::JRef<JKiwi> _ref, jni::JIterator<std::u16string> texts, uint64_t topN, kiwi::Match matchOption, JMorphemeSet* blocklist, jni::JIterator<jni::JIterator<kiwi::PretokenizedSpan>> pretokenized) const
{
if (!texts) throw std::bad_optional_access{};
return { _ref, std::move(texts), (size_t)topN, matchOption, blocklist, std::move(pretokenized) };
}
std::vector<Sentence> splitIntoSents(const std::u16string& text, kiwi::Match matchOption, bool returnTokens) const
{
std::vector<Sentence> ret;
auto tokens = Kiwi::analyze(text, matchOption).first;
uint32_t sentPos = -1;
size_t i = 0, t = 0;
for (auto& token : tokens)
{
if (token.sentPosition != sentPos)
{
if (!ret.empty())
{
ret.back().text = text.substr(ret.back().start, ret.back().end - ret.back().start);
if (returnTokens)
{
ret.back().tokens.emplace(std::make_move_iterator(tokens.begin() + t), std::make_move_iterator(tokens.begin() + i));
}
}
ret.emplace_back();
ret.back().start = token.position;
ret.back().end = token.position + token.length;
sentPos = token.sentPosition;
t = i;
}
else
{
ret.back().end = token.position + token.length;
}
++i;
}
if (!ret.empty())
{
ret.back().text = text.substr(ret.back().start, ret.back().end - ret.back().start);
if (returnTokens)
{
ret.back().tokens.emplace(std::make_move_iterator(tokens.begin() + t), std::make_move_iterator(tokens.begin() + i));
}
}
// To Do: process for subSents
return ret;
}
std::u16string join(std::vector<JoinableToken>&& tokens) const
{
auto joiner = Kiwi::newJoiner();
for (auto& token : tokens)
{
joiner.add(token.form, token.tag, token.inferRegularity, token.space);
}
return joiner.getU16();
}
};
JMorphemeSet::JMorphemeSet(JKiwi* _kiwiObj)
: kiwiObj{ _kiwiObj }
{
}
JMultipleTokenResult::JMultipleTokenResult(jni::JUniqueGlobalRef<JKiwi>&& _dp,
jni::JIterator<std::u16string> _texts,
size_t _topN,
kiwi::Match _matchOption,
JMorphemeSet* _blocklist,
jni::JIterator<jni::JIterator<kiwi::PretokenizedSpan>> _pretokenized
)
: dp{ std::move(_dp) },
texts{ std::move(_texts) },
topN{ _topN },
matchOption{ _matchOption },
blocklist{ _blocklist },
pretokenized{ std::move(_pretokenized) }
{
for (size_t i = 0; i < dp->getThreadPool()->size(); ++i)
{
if (!feed()) break;
}
}
bool JMultipleTokenResult::feed()
{
if (!texts.hasNext()) return false;
std::vector<kiwi::PretokenizedSpan> pretokenizedSpans;
if (pretokenized)
{
if (!pretokenized.hasNext())
{
throw std::runtime_error{ "The length of `pretokenized` must be equal to `texts`." };
}
auto pt = pretokenized.next();
while (pt && pt.hasNext()) pretokenizedSpans.emplace_back(pt.next());
}
futures.emplace_back(static_cast<kiwi::Kiwi&>(dp.get()).asyncAnalyze(
texts.next(),
topN,
kiwi::AnalyzeOption{ matchOption, blocklist ? &blocklist->morphSet : nullptr },
std::move(pretokenizedSpans)
));
return true;
}
bool JMultipleTokenResult::hasNext() const
{
return !futures.empty();
}
std::vector<kiwi::TokenResult> JMultipleTokenResult::next()
{
feed();
auto f = std::move(futures.front());
futures.pop_front();
return f.get();
}
class JTypoTransformer : public kiwi::TypoTransformer, jni::JObject<JTypoTransformer>
{
public:
static constexpr std::string_view className = "kr/pe/bab2min/KiwiBuilder$TypoTransformer";
using kiwi::TypoTransformer::TypoTransformer;
JTypoTransformer copy() const
{
return *this;
}
void update(const JTypoTransformer& o)
{
TypoTransformer::update(o);
}
};
class JStreamProvider : jni::JPureObject<JStreamProvider>
{
public:
static constexpr std::string_view className = "kr/pe/bab2min/KiwiBuilder$StreamProvider";
};
class JKiwiBuilder : public kiwi::KiwiBuilder, jni::JObject<JKiwiBuilder>
{
public:
static constexpr std::string_view className = "kr/pe/bab2min/KiwiBuilder";
using kiwi::KiwiBuilder::KiwiBuilder;
// Custom constructor for StreamProvider
JKiwiBuilder(jni::JRef<JStreamProvider> streamProvider, size_t numThreads, kiwi::BuildOption options, kiwi::ModelType modelType)
: KiwiBuilder(createStreamProviderWrapper(streamProvider), numThreads, options, modelType)
{
}
private:
// Custom istream implementation that reads from Java InputStream on-demand
class JavaStreamAdapter : public std::istream {
private:
class JavaStreamBuf : public std::streambuf {
private:
JNIEnv* env = nullptr;
jobject inputStreamGlobalRef = nullptr;
jmethodID readMethod = nullptr;
jmethodID closeMethod = nullptr;
std::vector<char> buffer;
static constexpr const size_t buffer_size = 8192;
public:
JavaStreamBuf(JNIEnv* _env, jobject inputStream)
: env(_env), buffer(buffer_size) {
inputStreamGlobalRef = env->NewGlobalRef(inputStream);
jclass inputStreamClass = env->FindClass("java/io/InputStream");
readMethod = env->GetMethodID(inputStreamClass, "read", "([B)I");
closeMethod = env->GetMethodID(inputStreamClass, "close", "()V");
setg(buffer.data(), buffer.data(), buffer.data());
}
~JavaStreamBuf() {
if (inputStreamGlobalRef && closeMethod) {
env->CallVoidMethod(inputStreamGlobalRef, closeMethod);
env->DeleteGlobalRef(inputStreamGlobalRef);
inputStreamGlobalRef = nullptr;
}
}
protected:
int underflow() override {
if (gptr() < egptr()) {
return traits_type::to_int_type(*gptr());
}
if (!inputStreamGlobalRef || !readMethod) {
return traits_type::eof();
}
try {
jbyteArray byteArray = env->NewByteArray(buffer_size);
jint bytesRead = env->CallIntMethod(inputStreamGlobalRef, readMethod, byteArray);
if (bytesRead <= 0 || env->ExceptionCheck()) {
if (env->ExceptionCheck()) env->ExceptionClear();
env->DeleteLocalRef(byteArray);
return traits_type::eof();
}
jbyte* bytes = env->GetByteArrayElements(byteArray, nullptr);
std::copy(reinterpret_cast<char*>(bytes),
reinterpret_cast<char*>(bytes + bytesRead),
buffer.data());
env->ReleaseByteArrayElements(byteArray, bytes, JNI_ABORT);
env->DeleteLocalRef(byteArray);
setg(buffer.data(), buffer.data(), buffer.data() + bytesRead);
return traits_type::to_int_type(*gptr());
}
catch (...) {
return traits_type::eof();
}
}
// Java InputStream doesn't support random access, so seeking fails
pos_type seekoff(off_type, std::ios_base::seekdir, std::ios_base::openmode) override {
return pos_type(-1);
}
pos_type seekpos(pos_type, std::ios_base::openmode) override {
return pos_type(-1);
}
};
JavaStreamBuf buf;
public:
JavaStreamAdapter(JNIEnv* env, jobject inputStream) : std::istream(&buf), buf(env, inputStream) {}
};
kiwi::KiwiBuilder::StreamProvider createStreamProviderWrapper(jni::JRef<JStreamProvider> streamProvider)
{
return [this, provider = jni::JUniqueGlobalRef<JStreamProvider>(streamProvider)](const std::string& filename) -> std::unique_ptr<std::istream>
{
try
{
JNIEnv* env = jni::threadLocalEnv;
// Get StreamProvider.provide method
jclass streamProviderClass = JObject<JStreamProvider>::jClass;
jmethodID provideMethod = env->GetMethodID(streamProviderClass, "provide", "(Ljava/lang/String;)Ljava/io/InputStream;");
// Convert filename to Java string
jstring jFilename = env->NewStringUTF(filename.c_str());
// Call provide method
jobject inputStream = env->CallObjectMethod(provider, provideMethod, jFilename);
if (!inputStream || env->ExceptionCheck())
{
if (env->ExceptionCheck()) env->ExceptionClear();
return nullptr;
}
// Create streaming adapter that reads on-demand
return std::make_unique<JavaStreamAdapter>(env, inputStream);
}
catch (...)
{
return nullptr;
}
};
}
public:
bool addWord(const std::u16string& form, kiwi::POSTag tag, float score)
{
return KiwiBuilder::addWord(form, tag, score).second;
}
bool addWord2(const std::u16string& form, kiwi::POSTag tag, float score, const std::u16string& orig)
{
return KiwiBuilder::addWord(form, tag, score, orig).second;
}
bool addPreAnalyzedWord(const std::u16string& form, std::vector<AnalyzedMorph>&& analyzed, float score)
{
std::vector<std::tuple<std::u16string, kiwi::POSTag, uint8_t>> morphs;
std::vector<std::pair<size_t, size_t>> positions;
for (auto& i : analyzed)
{
morphs.emplace_back(std::move(i.form), std::move(i.tag), kiwi::undefSenseId);
if (i.start >= 0 && i.end >= 0) positions.emplace_back(i.start, i.end);
}
if (positions.size() < morphs.size()) positions.clear();
return KiwiBuilder::addPreAnalyzedWord(form, morphs, positions, score);
}
JKiwi build(JTypoTransformer* typos, float typoCostThreshold) const
{
if (typos)
{
return KiwiBuilder::build(*typos, typoCostThreshold);
}
else
{
return KiwiBuilder::build();
}
}
};
jni::Module gModule{ JNI_VERSION_1_6 };
JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM* vm, void* reserved)
{
return gModule.load(vm,
jni::define<JTypoTransformer>()
.template ctor<>()
.template method<&JTypoTransformer::addTypo>("_addTypo")
.template method<&JTypoTransformer::setContinualTypoCost>("_setContinualTypoCost")
.template method<&JTypoTransformer::setLengtheningTypoCost>("_setLengtheningTypoCost")
.template method<&JTypoTransformer::copy>("copy")
.template method<&JTypoTransformer::update>("_update")
.template method<&JTypoTransformer::scaleCost>("_scaleCost"),
jni::define<JKiwiBuilder>()
.template ctor<std::string, size_t, kiwi::BuildOption, kiwi::ModelType>()
.template ctor<jni::JRef<JStreamProvider>, size_t, kiwi::BuildOption, kiwi::ModelType>()
.template method<&JKiwiBuilder::addWord>("addWord")
.template method<&JKiwiBuilder::addWord2>("addWord")
.template method<&JKiwiBuilder::addPreAnalyzedWord>("addPreAnalyzedWord")
.template method<&JKiwiBuilder::build>("build")
.template method<&JKiwiBuilder::loadDictionary>("loadDictionary"),
jni::define<JMorphemeSet>()
.template ctor<JKiwi*>()
.template method<&JMorphemeSet::add>("add"),
jni::define<JMultipleTokenResult>()
.template method<&JMultipleTokenResult::hasNext>("hasNext")
.template method<&JMultipleTokenResult::next>("next"),
jni::define<JFutureTokenResult>()
.template method<&JFutureTokenResult::isDone>("isDone")
.template method<&JFutureTokenResult::get>("get"),
jni::define<JKiwi>()
.template method<&JKiwi::getVersion>("getVersion")
.template method<&JKiwi::analyze>("analyze")
.template method<&JKiwi::analyze2>("analyze")
.template method<&JKiwi::asyncAnalyze>("asyncAnalyze")
.template method<&JKiwi::splitIntoSents>("splitIntoSents")
.template method<&JKiwi::join>("join"),
jni::define<JStreamProvider>(),
gClsTokenInfo,
gClsTokenResult,
gClsSentence,
gClsJoinableToken,
gClsAnalyzedMorph,
gClsBasicToken,
gClsPretokenizedSpan
);
}
JNIEXPORT void JNICALL JNI_OnUnload(JavaVM* vm, void* reserved)
{
gModule.unload(vm);
}