/*

 * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#include "sun_util_locale_provider_HostLocaleProviderAdapterImpl.h"

#include "jni_util.h"

#include <windows.h>

#include <gdefs.h>

#include <stdlib.h>

#define BUFLEN 256

// java.util.Calendar constants

#define CALENDAR_FIELD_ERA              0           // Calendar.ERA

#define CALENDAR_FIELD_MONTH            2           // Calendar.MONTH

#define CALENDAR_STYLE_SHORT_MASK       0x00000001  // Calendar.SHORT

#define CALENDAR_STYLE_STANDALONE_MASK  0x00008000  // Calendar.STANDALONE

// global variables

typedef int (WINAPI *PGLIE)(const jchar *, LCTYPE, LPWSTR, int);

typedef int (WINAPI *PGCIE)(const jchar *, CALID, LPCWSTR, CALTYPE, LPWSTR, int, LPDWORD);

typedef int (WINAPI *PECIEE)(CALINFO_ENUMPROCEXEX, const jchar *, CALID, LPCWSTR, CALTYPE, LPARAM);

PGLIE pGetLocaleInfoEx;

PGCIE pGetCalendarInfoEx;

PECIEE pEnumCalendarInfoExEx;

BOOL initialized = FALSE;

// prototypes

int getLocaleInfoWrapper(const jchar *langtag, LCTYPE type, LPWSTR data, int buflen);

int getCalendarInfoWrapper(const jchar *langtag, CALID id, LPCWSTR reserved, CALTYPE type, LPWSTR data, int buflen, LPDWORD val);

jint getCalendarID(const jchar *langtag);

void replaceCalendarArrayElems(JNIEnv *env, jstring jlangtag, jint calid, jobjectArray jarray,

                       CALTYPE* pCalTypes, int offset, int length, int style);

WCHAR * getNumberPattern(const jchar * langtag, const jint numberStyle);

void getNumberPart(const jchar * langtag, const jint numberStyle, WCHAR * number);

void getFixPart(const jchar * langtag, const jint numberStyle, BOOL positive, BOOL prefix, WCHAR * ret);

int enumCalendarInfoWrapper(const jchar * langtag, CALID calid, CALTYPE type, LPWSTR buf, int buflen);

BOOL CALLBACK EnumCalendarInfoProc(LPWSTR lpCalInfoStr, CALID calid, LPWSTR lpReserved, LPARAM lParam);

jobjectArray getErasImpl(JNIEnv *env, jstring jlangtag, jint calid, jint style, jobjectArray eras);

// from java_props_md.c

extern __declspec(dllexport) const char * getJavaIDFromLangID(LANGID langID);

CALTYPE monthsType[] = {

    CAL_SMONTHNAME1,

    CAL_SMONTHNAME2,

    CAL_SMONTHNAME3,

    CAL_SMONTHNAME4,

    CAL_SMONTHNAME5,

    CAL_SMONTHNAME6,

    CAL_SMONTHNAME7,

    CAL_SMONTHNAME8,

    CAL_SMONTHNAME9,

    CAL_SMONTHNAME10,

    CAL_SMONTHNAME11,

    CAL_SMONTHNAME12,

    CAL_SMONTHNAME13,

};

CALTYPE sMonthsType[] = {

    CAL_SABBREVMONTHNAME1,

    CAL_SABBREVMONTHNAME2,

    CAL_SABBREVMONTHNAME3,

    CAL_SABBREVMONTHNAME4,

    CAL_SABBREVMONTHNAME5,

    CAL_SABBREVMONTHNAME6,

    CAL_SABBREVMONTHNAME7,

    CAL_SABBREVMONTHNAME8,

    CAL_SABBREVMONTHNAME9,

    CAL_SABBREVMONTHNAME10,

    CAL_SABBREVMONTHNAME11,

    CAL_SABBREVMONTHNAME12,

    CAL_SABBREVMONTHNAME13,

};

#define MONTHTYPES (sizeof(monthsType) / sizeof(CALTYPE))

CALTYPE wDaysType[] = {

    CAL_SDAYNAME7,

    CAL_SDAYNAME1,

    CAL_SDAYNAME2,

    CAL_SDAYNAME3,

    CAL_SDAYNAME4,

    CAL_SDAYNAME5,

    CAL_SDAYNAME6,

};

CALTYPE sWDaysType[] = {

    CAL_SABBREVDAYNAME7,

    CAL_SABBREVDAYNAME1,

    CAL_SABBREVDAYNAME2,

    CAL_SABBREVDAYNAME3,

    CAL_SABBREVDAYNAME4,

    CAL_SABBREVDAYNAME5,

    CAL_SABBREVDAYNAME6,

};

WCHAR * fixes[2][2][3][16] =

{

    { //prefix

        { //positive

            { // number

                L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"",

            },

            { // currency

                L"\xA4", L"", L"\xA4 ", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"",

            },

            { // percent

                L"", L"", L"%", L"% ", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"",

            }

        },

        { // negative

            { // number

                L"(", L"-", L"- ", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"",

            },

            { //currency

                L"(\xA4", L"-\xA4", L"\xA4-", L"\xA4", L"(", L"-", L"", L"", L"-", L"-\xA4 ", L"", L"\xA4 ", L"\xA4 -", L"", L"(\xA4 ", L"("

            },

            { // percent

                L"-", L"-", L"-%", L"%-", L"%", L"", L"", L"-% ", L"", L"% ", L"% -", L"", L"", L"", L"", L"",

            }

        }

    },

    { // suffix

        { //positive

            { // number

                L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L""

            },

            { // currency

                L"", L"\xA4 ", L"", L" \xA4", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"",

            },

            { // percent

                L" %", L"%", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"",

            }

        },

        { // negative

            { // number

                L")", L"", L" ", L"-", L" -", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"", L"",

            },

            { //currency

                L")", L"", L"", L"-", L"\xA4)", L"\xA4", L"-\xA4", L"\xA4-", L" \xA4", L"", L" \xA4-", L"-", L"", L"- \xA4", L")", L" \xA4)"

            },

            { // percent

                L" %", L"%", L"", L"", L"-", L"-%", L"%-", L"", L" %-", L"-", L"", L"- %", L"", L"", L"", L"",

            }

        }

    }

};

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    initialize

 * Signature: ()Z

 */

JNIEXPORT jboolean JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_initialize

  (JNIEnv *env, jclass cls) {

    if (!initialized) {

        pGetLocaleInfoEx = (PGLIE)GetProcAddress(

            GetModuleHandle("kernel32.dll"),

            "GetLocaleInfoEx");

        pGetCalendarInfoEx = (PGCIE)GetProcAddress(

            GetModuleHandle("kernel32.dll"),

            "GetCalendarInfoEx");

        pEnumCalendarInfoExEx = (PECIEE)GetProcAddress(

            GetModuleHandle("kernel32.dll"),

            "EnumCalendarInfoExEx");

        initialized =TRUE;

    }

    return pGetLocaleInfoEx != NULL &&

           pGetCalendarInfoEx != NULL &&

           pEnumCalendarInfoExEx != NULL;

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getDefaultLocale

 * Signature: (I)Ljava/lang/String;

 */

JNIEXPORT jstring JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getDefaultLocale

  (JNIEnv *env, jclass cls, jint cat) {

    char * localeString = NULL;

    LANGID langid;

    jstring ret;

    switch (cat) {

        case sun_util_locale_provider_HostLocaleProviderAdapterImpl_CAT_DISPLAY:

            langid = LANGIDFROMLCID(GetUserDefaultUILanguage());

            break;

        case sun_util_locale_provider_HostLocaleProviderAdapterImpl_CAT_FORMAT:

        default:

            langid = LANGIDFROMLCID(GetUserDefaultLCID());

            break;

    }

    localeString = (char *)getJavaIDFromLangID(langid);

    if (localeString != NULL) {

        ret = (*env)->NewStringUTF(env, localeString);

        free(localeString);

    } else {

        JNU_ThrowOutOfMemoryError(env, "memory allocation error");

        ret = NULL;

    }

    return ret;

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getDateTimePattern

 * Signature: (IILjava/lang/String;)Ljava/lang/String;

 */

JNIEXPORT jstring JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getDateTimePattern

  (JNIEnv *env, jclass cls, jint dateStyle, jint timeStyle, jstring jlangtag) {

    WCHAR pattern[BUFLEN];

    const jchar *langtag = (*env)->GetStringChars(env, jlangtag, JNI_FALSE);

    CHECK_NULL_RETURN(langtag, NULL);

    pattern[0] = L'\0';

    if (dateStyle == 0 || dateStyle == 1) {

        getLocaleInfoWrapper(langtag, LOCALE_SLONGDATE, pattern, BUFLEN);

    } else if (dateStyle == 2 || dateStyle == 3) {

        getLocaleInfoWrapper(langtag, LOCALE_SSHORTDATE, pattern, BUFLEN);

    }

    if (timeStyle == 0 || timeStyle == 1) {

        getLocaleInfoWrapper(langtag, LOCALE_STIMEFORMAT, pattern, BUFLEN);

    } else if (timeStyle == 2 || timeStyle == 3) {

        getLocaleInfoWrapper(langtag, LOCALE_SSHORTTIME, pattern, BUFLEN);

    }

    (*env)->ReleaseStringChars(env, jlangtag, langtag);

    return (*env)->NewString(env, pattern, (jsize)wcslen(pattern));

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getCalendarID

 * Signature: (Ljava/lang/String;)I

 */

JNIEXPORT jint JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getCalendarID

  (JNIEnv *env, jclass cls, jstring jlangtag) {

    const jchar *langtag;

    jint ret;

    langtag = (*env)->GetStringChars(env, jlangtag, JNI_FALSE);

    CHECK_NULL_RETURN(langtag, 0);

    ret = getCalendarID(langtag);

    (*env)->ReleaseStringChars(env, jlangtag, langtag);

    return ret;

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getAmPmStrings

 * Signature: (Ljava/lang/String;[Ljava/lang/String;)[Ljava/lang/String;

 */

JNIEXPORT jobjectArray JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getAmPmStrings

  (JNIEnv *env, jclass cls, jstring jlangtag, jobjectArray ampms) {

    WCHAR buf[BUFLEN];

    const jchar *langtag;

    jstring tmp_string;

    // AM

    int got;

    langtag = (*env)->GetStringChars(env, jlangtag, JNI_FALSE);

    CHECK_NULL_RETURN(langtag, NULL);

    got = getLocaleInfoWrapper(langtag, LOCALE_S1159, buf, BUFLEN);

    if (got) {

        tmp_string = (*env)->NewString(env, buf, (jsize)wcslen(buf));

        if (tmp_string != NULL) {

            (*env)->SetObjectArrayElement(env, ampms, 0, tmp_string);

        }

    }

    if (!(*env)->ExceptionCheck(env)){

        // PM

        got = getLocaleInfoWrapper(langtag, LOCALE_S2359, buf, BUFLEN);

        if (got) {

            tmp_string = (*env)->NewString(env, buf, (jsize)wcslen(buf));

            if (tmp_string != NULL) {

                (*env)->SetObjectArrayElement(env, ampms, 1, tmp_string);

            }

        }

    }

    (*env)->ReleaseStringChars(env, jlangtag, langtag);

    return ampms;

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getEras

 * Signature: (Ljava/lang/String;[Ljava/lang/String;)[Ljava/lang/String;

 */

JNIEXPORT jobjectArray JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getEras

  (JNIEnv *env, jclass cls, jstring jlangtag, jobjectArray eras) {

    return getErasImpl(env, jlangtag, -1, 0, eras);

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getMonths

 * Signature: (Ljava/lang/String;[Ljava/lang/String;)[Ljava/lang/String;

 */

JNIEXPORT jobjectArray JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getMonths

  (JNIEnv *env, jclass cls, jstring jlangtag, jobjectArray months) {

    replaceCalendarArrayElems(env, jlangtag, -1, months, monthsType,

                      0, MONTHTYPES, 0);

    return months;

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getShortMonths

 * Signature: (Ljava/lang/String;[Ljava/lang/String;)[Ljava/lang/String;

 */

JNIEXPORT jobjectArray JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getShortMonths

  (JNIEnv *env, jclass cls, jstring jlangtag, jobjectArray smonths) {

    replaceCalendarArrayElems(env, jlangtag, -1, smonths, sMonthsType,

                      0, MONTHTYPES, 0);

    return smonths;

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getWeekdays

 * Signature: (Ljava/lang/String;[Ljava/lang/String;)[Ljava/lang/String;

 */

JNIEXPORT jobjectArray JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getWeekdays

  (JNIEnv *env, jclass cls, jstring jlangtag, jobjectArray wdays) {

    replaceCalendarArrayElems(env, jlangtag, -1, wdays, wDaysType,

                      1, sizeof(wDaysType)/sizeof(CALTYPE), 0);

    return wdays;

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getShortWeekdays

 * Signature: (Ljava/lang/String;[Ljava/lang/String;)[Ljava/lang/String;

 */

JNIEXPORT jobjectArray JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getShortWeekdays

  (JNIEnv *env, jclass cls, jstring jlangtag, jobjectArray swdays) {

    replaceCalendarArrayElems(env, jlangtag, -1, swdays, sWDaysType,

                      1, sizeof(sWDaysType)/sizeof(CALTYPE), 0);

    return swdays;

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getNumberPattern

 * Signature: (ILjava/lang/String;)Ljava/lang/String;

 */

JNIEXPORT jstring JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getNumberPattern

  (JNIEnv *env, jclass cls, jint numberStyle, jstring jlangtag) {

    const jchar *langtag;

    jstring ret;

    WCHAR * pattern;

    langtag = (*env)->GetStringChars(env, jlangtag, JNI_FALSE);

    CHECK_NULL_RETURN(langtag, NULL);

    pattern = getNumberPattern(langtag, numberStyle);

    CHECK_NULL_RETURN(pattern, NULL);

    (*env)->ReleaseStringChars(env, jlangtag, langtag);

    ret = (*env)->NewString(env, pattern, (jsize)wcslen(pattern));

    free(pattern);

    return ret;

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    isNativeDigit

 * Signature: (Ljava/lang/String;)Z

 */

JNIEXPORT jboolean JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_isNativeDigit

  (JNIEnv *env, jclass cls, jstring jlangtag) {

    DWORD num;

    int got;

    const jchar *langtag = (*env)->GetStringChars(env, jlangtag, JNI_FALSE);

    CHECK_NULL_RETURN(langtag, JNI_FALSE);

    got = getLocaleInfoWrapper(langtag,

        LOCALE_IDIGITSUBSTITUTION | LOCALE_RETURN_NUMBER,

        (LPWSTR)&num, sizeof(num));

    (*env)->ReleaseStringChars(env, jlangtag, langtag);

    return got && num == 2; // 2: native digit substitution

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getCurrencySymbol

 * Signature: (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;

 */

JNIEXPORT jstring JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getCurrencySymbol

  (JNIEnv *env, jclass cls, jstring jlangtag, jstring currencySymbol) {

    WCHAR buf[BUFLEN];

    int got;

    const jchar *langtag = (*env)->GetStringChars(env, jlangtag, JNI_FALSE);

    CHECK_NULL_RETURN(langtag, currencySymbol);

    got = getLocaleInfoWrapper(langtag, LOCALE_SCURRENCY, buf, BUFLEN);

    (*env)->ReleaseStringChars(env, jlangtag, langtag);

    if (got) {

        return (*env)->NewString(env, buf, (jsize)wcslen(buf));

    } else {

        return currencySymbol;

    }

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getDecimalSeparator

 * Signature: (Ljava/lang/String;C)C

 */

JNIEXPORT jchar JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getDecimalSeparator

  (JNIEnv *env, jclass cls, jstring jlangtag, jchar decimalSeparator) {

    WCHAR buf[BUFLEN];

    int got;

    const jchar *langtag = (*env)->GetStringChars(env, jlangtag, JNI_FALSE);

    CHECK_NULL_RETURN(langtag, decimalSeparator);

    got = getLocaleInfoWrapper(langtag, LOCALE_SDECIMAL, buf, BUFLEN);

    (*env)->ReleaseStringChars(env, jlangtag, langtag);

    if (got) {

        return buf[0];

    } else {

        return decimalSeparator;

    }

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getGroupingSeparator

 * Signature: (Ljava/lang/String;C)C

 */

JNIEXPORT jchar JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getGroupingSeparator

  (JNIEnv *env, jclass cls, jstring jlangtag, jchar groupingSeparator) {

    WCHAR buf[BUFLEN];

    int got;

    const jchar *langtag = (*env)->GetStringChars(env, jlangtag, JNI_FALSE);

    CHECK_NULL_RETURN(langtag, groupingSeparator);

    got = getLocaleInfoWrapper(langtag, LOCALE_STHOUSAND, buf, BUFLEN);

    (*env)->ReleaseStringChars(env, jlangtag, langtag);

    if (got) {

        return buf[0];

    } else {

        return groupingSeparator;

    }

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getInfinity

 * Signature: (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;

 */

JNIEXPORT jstring JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getInfinity

  (JNIEnv *env, jclass cls, jstring jlangtag, jstring infinity) {

    WCHAR buf[BUFLEN];

    int got;

    const jchar *langtag = (*env)->GetStringChars(env, jlangtag, JNI_FALSE);

    CHECK_NULL_RETURN(langtag, infinity);

    got = getLocaleInfoWrapper(langtag, LOCALE_SPOSINFINITY, buf, BUFLEN);

    (*env)->ReleaseStringChars(env, jlangtag, langtag);

    if (got) {

        return (*env)->NewString(env, buf, (jsize)wcslen(buf));

    } else {

        return infinity;

    }

}

/*

 * Class:     sun_util_locale_provider_HostLocaleProviderAdapterImpl

 * Method:    getInternationalCurrencySymbol

 * Signature: (Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;

 */

JNIEXPORT jstring JNICALL Java_sun_util_locale_provider_HostLocaleProviderAdapterImpl_getInternationalCurrencySymbol

  (JNIEnv *env, jclass cls, jstring jlangtag, jstring internationalCurrencySymbol) {

    WCHAR buf[BUFLEN];

    int got;

    const jchar *langtag = (*env)->GetStringChars(env, jlangtag, JNI_FALSE);

    CHECK_NULL_RETURN(langtag, internationalCurrencySymbol);

    got = getLocaleInfoWrapper(langtag, LOCALE_SINTLSYMBOL, buf, BUFLEN);

    (*env)->ReleaseStringChars(env, jlangtag, langtag);

    if (got) {

        return (*env)->NewString(env, buf, (jsize)wcslen(buf));

    } else {

        return internationalCurrencySymbol;

    }