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/*

* notes: by srl295

* - When in NODE_HAVE_SMALL_ICU mode, ICU is linked against "stub" (null) data

* ( stubdata/libicudata.a ) containing nothing, no data, and it's also

* linked against a "small" data file which the SMALL_ICUDATA_ENTRY_POINT

* macro names. That's the "english+root" data.

*

* If icu_data_path is non-null, the user has provided a path and we assume

* it goes somewhere useful. We set that path in ICU, and exit.

* If icu_data_path is null, they haven't set a path and we want the

* "english+root" data. We call

* udata_setCommonData(SMALL_ICUDATA_ENTRY_POINT,...)

* to load up the english+root data.

*

* - when NOT in NODE_HAVE_SMALL_ICU mode, ICU is linked directly with its full

* data. All of the variables and command line options for changing data at

* runtime are disabled, as they wouldn't fully override the internal data.

* See: http://bugs.icu-project.org/trac/ticket/10924

*/

#include "node_i18n.h"

#if defined(NODE_HAVE_I18N_SUPPORT)

#include <unicode/putil.h>

#include <unicode/udata.h>

#ifdef NODE_HAVE_SMALL_ICU

/* if this is defined, we have a 'secondary' entry point.

compare following to utypes.h defs for U_ICUDATA_ENTRY_POINT */

#define SMALL_ICUDATA_ENTRY_POINT \

SMALL_DEF2(U_ICU_VERSION_MAJOR_NUM, U_LIB_SUFFIX_C_NAME)

#define SMALL_DEF2(major, suff) SMALL_DEF(major, suff)

#ifndef U_LIB_SUFFIX_C_NAME

#define SMALL_DEF(major, suff) icusmdt##major##_dat

#else

#define SMALL_DEF(major, suff) icusmdt##suff##major##_dat

#endif

extern "C" const char U_DATA_API SMALL_ICUDATA_ENTRY_POINT[];

#endif

namespace node {

namespace i18n {

bool InitializeICUDirectory(const char* icu_data_path) {

if (icu_data_path != nullptr) {

u_setDataDirectory(icu_data_path);

return true; // no error

} else {

UErrorCode status = U_ZERO_ERROR;

#ifdef NODE_HAVE_SMALL_ICU

// install the 'small' data.

udata_setCommonData(&SMALL_ICUDATA_ENTRY_POINT, &status);

#else // !NODE_HAVE_SMALL_ICU

// no small data, so nothing to do.

#endif // !NODE_HAVE_SMALL_ICU

return (status == U_ZERO_ERROR);

}

}

} // namespace i18n

} // namespace node

#endif // NODE_HAVE_I18N_SUPPORT