chromium/third_party/icu/source/common/unistr_cnv.cpp

// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*
*   Copyright (C) 1999-2014, International Business Machines
*   Corporation and others.  All Rights Reserved.
*
*******************************************************************************
*   file name:  unistr_cnv.cpp
*   encoding:   UTF-8
*   tab size:   8 (not used)
*   indentation:2
*
*   created on: 2004aug19
*   created by: Markus W. Scherer
*
*   Character conversion functions moved here from unistr.cpp
*/

#include "unicode/utypes.h"

#if !UCONFIG_NO_CONVERSION

#include "unicode/putil.h"
#include "cstring.h"
#include "cmemory.h"
#include "unicode/ustring.h"
#include "unicode/unistr.h"
#include "unicode/ucnv.h"
#include "ucnv_imp.h"
#include "putilimp.h"
#include "ustr_cnv.h"
#include "ustr_imp.h"

U_NAMESPACE_BEGIN

//========================================
// Constructors
//========================================

#if !U_CHARSET_IS_UTF8

UnicodeString::UnicodeString(const char *codepageData) {
    fUnion.fFields.fLengthAndFlags = kShortString;
    if(codepageData != 0) {
        doCodepageCreate(codepageData, (int32_t)uprv_strlen(codepageData), 0);
    }
}

UnicodeString::UnicodeString(const char *codepageData,
                             int32_t dataLength) {
    fUnion.fFields.fLengthAndFlags = kShortString;
    if(codepageData != 0) {
        doCodepageCreate(codepageData, dataLength, 0);
    }
}

// else see unistr.cpp
#endif

UnicodeString::UnicodeString(const char *codepageData,
                             const char *codepage) { … }

UnicodeString::UnicodeString(const char *codepageData,
                             int32_t dataLength,
                             const char *codepage) { … }

UnicodeString::UnicodeString(const char *src, int32_t srcLength,
                             UConverter *cnv,
                             UErrorCode &errorCode) { … }

//========================================
// Codeset conversion
//========================================

#if !U_CHARSET_IS_UTF8

int32_t
UnicodeString::extract(int32_t start,
                       int32_t length,
                       char *target,
                       uint32_t dstSize) const {
    return extract(start, length, target, dstSize, 0);
}

// else see unistr.cpp
#endif

int32_t
UnicodeString::extract(int32_t start,
                       int32_t length,
                       char *target,
                       uint32_t dstSize,
                       const char *codepage) const
{ … }

int32_t
UnicodeString::extract(char *dest, int32_t destCapacity,
                       UConverter *cnv,
                       UErrorCode &errorCode) const
{ … }

int32_t
UnicodeString::doExtract(int32_t start, int32_t length,
                         char *dest, int32_t destCapacity,
                         UConverter *cnv,
                         UErrorCode &errorCode) const
{ … }

void
UnicodeString::doCodepageCreate(const char *codepageData,
                                int32_t dataLength,
                                const char *codepage)
{ … }

void
UnicodeString::doCodepageCreate(const char *codepageData,
                                int32_t dataLength,
                                UConverter *converter,
                                UErrorCode &status)
{ … }

U_NAMESPACE_END

#endif