// © 2016 and later: Unicode, Inc. and others.

// License & terms of use: http://www.unicode.org/copyright.html

/*

*******************************************************************************

* Copyright (C) 1997-2012, International Business Machines Corporation and    *

* others. All Rights Reserved.                                                *

*******************************************************************************

*

* File FORMAT.CPP

*

* Modification History:

*

*   Date        Name        Description

*   02/19/97    aliu        Converted from java.

*   03/17/97    clhuang     Implemented with new APIs.

*   03/27/97    helena      Updated to pass the simple test after code review.

*   07/20/98    stephen        Added explicit init values for Field/ParsePosition

********************************************************************************

*/

// *****************************************************************************

// This file was generated from the java source file Format.java

// *****************************************************************************

#include "utypeinfo.h"  // for 'typeid' to work

#include "unicode/utypes.h"

#ifndef U_I18N_IMPLEMENTATION

#error U_I18N_IMPLEMENTATION not set - must be set for all ICU source files in i18n/ - see https://unicode-org.github.io/icu/userguide/howtouseicu

#endif

/*

 * Dummy code:

 * If all modules in the I18N library are switched off, then there are no

 * library exports and MSVC 6 writes a .dll but not a .lib file.

 * Unless we export _something_ in that case...

 */

#if UCONFIG_NO_COLLATION && UCONFIG_NO_FORMATTING && UCONFIG_NO_TRANSLITERATION

U_CAPI int32_t U_EXPORT2

uprv_icuin_lib_dummy(int32_t i) {

    return -i;

}

#endif

/* Format class implementation ---------------------------------------------- */

#if !UCONFIG_NO_FORMATTING

#include "unicode/format.h"

#include "unicode/ures.h"

#include "cstring.h"

#include "locbased.h"

// *****************************************************************************

// class Format

// *****************************************************************************

U_NAMESPACE_BEGIN

UOBJECT_DEFINE_RTTI_IMPLEMENTATION(FieldPosition)

FieldPosition::~FieldPosition() {}

FieldPosition *

FieldPosition::clone() const {

    return new FieldPosition(*this);

}

// -------------------------------------

// default constructor

Format::Format()

    : UObject(), actualLocale(Locale::getRoot()), validLocale(Locale::getRoot())

{

}

// -------------------------------------

Format::~Format()

{

}

// -------------------------------------

// copy constructor

Format::Format(const Format &that)

    : UObject(that)

{

    *this = that;

}

// -------------------------------------

// assignment operator

Format&

Format::operator=(const Format& that)

{

    if (this != &that) {

        actualLocale = that.actualLocale;

        validLocale = that.validLocale;

    }

    return *this;

}

// -------------------------------------

// Formats the obj and append the result in the buffer, toAppendTo.

// This calls the actual implementation in the concrete subclasses.

UnicodeString&

Format::format(const Formattable& obj,

               UnicodeString& toAppendTo,

               UErrorCode& status) const

{

    if (U_FAILURE(status)) return toAppendTo;

    FieldPosition pos(FieldPosition::DONT_CARE);

    return format(obj, toAppendTo, pos, status);

}

// -------------------------------------

// Default implementation sets unsupported error; subclasses should

// override.

UnicodeString&

Format::format(const Formattable& /* unused obj */,

               UnicodeString& toAppendTo,

               FieldPositionIterator* /* unused posIter */,

               UErrorCode& status) const

{

    if (!U_FAILURE(status)) {

      status = U_UNSUPPORTED_ERROR;

    }

    return toAppendTo;

}

// -------------------------------------

// Parses the source string and create the corresponding

// result object.  Checks the parse position for errors.

void

Format::parseObject(const UnicodeString& source,

                    Formattable& result,

                    UErrorCode& status) const

{

    if (U_FAILURE(status)) return;

    ParsePosition parsePosition(0);

    parseObject(source, result, parsePosition);

    if (parsePosition.getIndex() == 0) {

        status = U_INVALID_FORMAT_ERROR;

    }

}

// -------------------------------------

bool

Format::operator==(const Format& that) const

{

    // Subclasses: Call this method and then add more specific checks.

    return typeid(*this) == typeid(that);

}

//---------------------------------------

/**

 * Simple function for initializing a UParseError from a UnicodeString.

 *

 * @param pattern The pattern to copy into the parseError

 * @param pos The position in pattern where the error occurred

 * @param parseError The UParseError object to fill in

 * @draft ICU 2.4

 */

void Format::syntaxError(const UnicodeString& pattern,

                         int32_t pos,

                         UParseError& parseError) {

    parseError.offset = pos;

    parseError.line=0;  // we are not using line number

    // for pre-context

    int32_t start = (pos < U_PARSE_CONTEXT_LEN)? 0 : (pos - (U_PARSE_CONTEXT_LEN-1

                                                             /* subtract 1 so that we have room for null*/));

    int32_t stop  = pos;

    pattern.extract(start,stop-start,parseError.preContext,0);

    //null terminate the buffer

    parseError.preContext[stop-start] = 0;

    //for post-context

    start = pos+1;

    stop  = ((pos+U_PARSE_CONTEXT_LEN)<=pattern.length()) ? (pos+(U_PARSE_CONTEXT_LEN-1)) :

        pattern.length();

    pattern.extract(start,stop-start,parseError.postContext,0);

    //null terminate the buffer

    parseError.postContext[stop-start]= 0;

}

Locale

Format::getLocale(ULocDataLocaleType type, UErrorCode& status) const {

    return LocaleBased::getLocale(validLocale, actualLocale, type, status);

}

const char *

Format::getLocaleID(ULocDataLocaleType type, UErrorCode& status) const {

    return LocaleBased::getLocaleID(validLocale,actualLocale, type, status);

}

void

Format::setLocaleIDs(const char* valid, const char* actual) {

    actualLocale = Locale(actual);

    validLocale = Locale(valid);

}

U_NAMESPACE_END

#endif /* #if !UCONFIG_NO_FORMATTING */

//eof