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forked from GitHub/gf-core

handle BIND & CAPIT in bracketedLinearize for Java

This commit is contained in:
Krasimir Angelov
2017-09-25 10:36:38 +02:00
parent 91728a3a98
commit 66c20b1996
4 changed files with 91 additions and 4 deletions

View File

@@ -1,6 +1,8 @@
#include <jni.h>
#include <gu/utf8.h>
#include <gu/string.h>
#include <pgf/pgf.h>
#include <pgf/linearizer.h>
#include "jni_utils.h"
#ifndef __MINGW32__
#include <alloca.h>
@@ -59,6 +61,35 @@ gu2j_string_buf(JNIEnv *env, GuStringBuf* sbuf) {
return gu2j_string_len(env, gu_string_buf_data(sbuf), gu_string_buf_length(sbuf));
}
JPGF_INTERNAL jstring
gu2j_string_capit(JNIEnv *env, GuString s, PgfCapitState capit) {
const char* utf8 = s;
size_t len = strlen(s);
jchar* utf16 = alloca(len*sizeof(jchar));
jchar* dst = utf16;
while (s-utf8 < len) {
GuUCS ucs = gu_utf8_decode((const uint8_t**) &s);
if (capit == PGF_CAPIT_FIRST) {
ucs = gu_ucs_to_upper(ucs);
capit == PGF_CAPIT_NONE;
} else if (capit == PGF_CAPIT_NEXT) {
ucs = gu_ucs_to_upper(ucs);
}
if (ucs <= 0xFFFF) {
*dst++ = ucs;
} else {
ucs -= 0x10000;
*dst++ = 0xD800+((ucs >> 10) & 0x3FF);
*dst++ = 0xDC00+(ucs & 0x3FF);
}
}
return (*env)->NewString(env, utf16, dst-utf16);
}
JPGF_INTERNAL GuString
j2gu_string(JNIEnv *env, jstring s, GuPool* pool) {
GuString str = (*env)->GetStringUTFChars(env, s, 0);

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@@ -26,6 +26,9 @@ gu2j_string_len(JNIEnv *env, const char* s, size_t len);
JPGF_INTERNAL_DECL jstring
gu2j_string_buf(JNIEnv *env, GuStringBuf* sbuf);
JPGF_INTERNAL jstring
gu2j_string_capit(JNIEnv *env, GuString s, PgfCapitState capit);
JPGF_INTERNAL_DECL GuString
j2gu_string(JNIEnv *env, jstring s, GuPool* pool);

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@@ -930,6 +930,9 @@ typedef struct {
GuPool* tmp_pool;
GuBuf* stack;
GuBuf* list;
bool bind;
PgfCapitState capit;
jobject bind_instance;
jclass object_class;
jclass bracket_class;
jmethodID bracket_constrId;
@@ -941,8 +944,23 @@ pgf_bracket_lzn_symbol_token(PgfLinFuncs** funcs, PgfToken tok)
PgfBracketLznState* state = gu_container(funcs, PgfBracketLznState, funcs);
JNIEnv* env = state->env;
jstring jname = gu2j_string(env, tok);
gu_buf_push(state->list, jobject, jname);
if (state->bind) {
jobject bind_instance = (*env)->NewLocalRef(env, state->bind_instance);
gu_buf_push(state->list, jobject, bind_instance);
state->bind = false;
} else {
if (state->capit == PGF_CAPIT_NEXT)
state->capit = PGF_CAPIT_NONE;
}
if (state->capit == PGF_CAPIT_ALL)
state->capit = PGF_CAPIT_NEXT;
jstring jtok = gu2j_string_capit(env, tok, state->capit);
gu_buf_push(state->list, jobject, jtok);
if (state->capit == PGF_CAPIT_FIRST)
state->capit = PGF_CAPIT_NONE;
}
static void
@@ -993,6 +1011,20 @@ pgf_bracket_lzn_end_phrase(PgfLinFuncs** funcs, PgfCId cat, int fid, size_t lind
state->list = parent;
}
static void
pgf_bracket_lzn_symbol_bind(PgfLinFuncs** funcs)
{
PgfBracketLznState* state = gu_container(funcs, PgfBracketLznState, funcs);
state->bind = true;
}
static void
pgf_bracket_lzn_symbol_capit(PgfLinFuncs** funcs, PgfCapitState capit)
{
PgfBracketLznState* state = gu_container(funcs, PgfBracketLznState, funcs);
state->capit = capit;
}
static void
pgf_bracket_lzn_symbol_meta(PgfLinFuncs** funcs, PgfMetaId id)
{
@@ -1004,8 +1036,8 @@ static PgfLinFuncs pgf_bracket_lin_funcs = {
.begin_phrase = pgf_bracket_lzn_begin_phrase,
.end_phrase = pgf_bracket_lzn_end_phrase,
.symbol_ne = NULL,
.symbol_bind = NULL,
.symbol_capit = NULL,
.symbol_bind = pgf_bracket_lzn_symbol_bind,
.symbol_capit = pgf_bracket_lzn_symbol_capit,
.symbol_meta = pgf_bracket_lzn_symbol_meta
};
@@ -1022,6 +1054,16 @@ Java_org_grammaticalframework_pgf_Concr_bracketedLinearize(JNIEnv* env, jobject
jmethodID bracket_constrId = (*env)->GetMethodID(env, bracket_class, "<init>", "(Ljava/lang/String;Ljava/lang/String;II[Ljava/lang/Object;)V");
if (!bracket_constrId)
return NULL;
jclass bind_class = (*env)->FindClass(env, "org/grammaticalframework/pgf/BIND");
if (!bind_class)
return NULL;
jfieldID bind_instance_id = (*env)->GetStaticFieldID(env, bind_class, "instance", "Lorg/grammaticalframework/pgf/BIND;");
if (!bind_instance_id)
return NULL;
jobject bind_instance = (*env)->GetStaticObjectField(env, bind_class, bind_instance_id);
if (!bind_instance)
return NULL;
GuPool* tmp_pool = gu_local_pool();
GuExn* err = gu_exn(tmp_pool);
@@ -1056,6 +1098,9 @@ Java_org_grammaticalframework_pgf_Concr_bracketedLinearize(JNIEnv* env, jobject
state.tmp_pool = tmp_pool;
state.stack = gu_new_buf(GuBuf*, tmp_pool);
state.list = gu_new_buf(jobject, tmp_pool);
state.bind = true;
state.capit = PGF_CAPIT_NONE;
state.bind_instance = bind_instance;
state.object_class = object_class;
state.bracket_class = bracket_class;
state.bracket_constrId = bracket_constrId;

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@@ -0,0 +1,8 @@
package org.grammaticalframework.pgf;
public class BIND {
private BIND() {
}
public static final BIND instance = new BIND();
}