3e1b1dd4a9
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66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
/*
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* notes: by srl295
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* - When in NODE_HAVE_SMALL_ICU mode, ICU is linked against "stub" (null) data
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* ( stubdata/libicudata.a ) containing nothing, no data, and it's also
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* linked against a "small" data file which the SMALL_ICUDATA_ENTRY_POINT
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* macro names. That's the "english+root" data.
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*
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* If icu_data_path is non-null, the user has provided a path and we assume
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* it goes somewhere useful. We set that path in ICU, and exit.
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* If icu_data_path is null, they haven't set a path and we want the
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* "english+root" data. We call
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* udata_setCommonData(SMALL_ICUDATA_ENTRY_POINT,...)
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* to load up the english+root data.
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*
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* - when NOT in NODE_HAVE_SMALL_ICU mode, ICU is linked directly with its full
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* data. All of the variables and command line options for changing data at
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* runtime are disabled, as they wouldn't fully override the internal data.
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* See: http://bugs.icu-project.org/trac/ticket/10924
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*/
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#include "node_i18n.h"
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#if defined(NODE_HAVE_I18N_SUPPORT)
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#include <unicode/putil.h>
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#include <unicode/udata.h>
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#ifdef NODE_HAVE_SMALL_ICU
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/* if this is defined, we have a 'secondary' entry point.
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compare following to utypes.h defs for U_ICUDATA_ENTRY_POINT */
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#define SMALL_ICUDATA_ENTRY_POINT \
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SMALL_DEF2(U_ICU_VERSION_MAJOR_NUM, U_LIB_SUFFIX_C_NAME)
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#define SMALL_DEF2(major, suff) SMALL_DEF(major, suff)
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#ifndef U_LIB_SUFFIX_C_NAME
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#define SMALL_DEF(major, suff) icusmdt##major##_dat
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#else
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#define SMALL_DEF(major, suff) icusmdt##suff##major##_dat
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#endif
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extern "C" const char U_DATA_API SMALL_ICUDATA_ENTRY_POINT[];
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#endif
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namespace node {
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namespace i18n {
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bool InitializeICUDirectory(const char* icu_data_path) {
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if (icu_data_path != nullptr) {
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u_setDataDirectory(icu_data_path);
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return true; // no error
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} else {
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UErrorCode status = U_ZERO_ERROR;
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#ifdef NODE_HAVE_SMALL_ICU
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// install the 'small' data.
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udata_setCommonData(&SMALL_ICUDATA_ENTRY_POINT, &status);
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#else // !NODE_HAVE_SMALL_ICU
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// no small data, so nothing to do.
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#endif // !NODE_HAVE_SMALL_ICU
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return (status == U_ZERO_ERROR);
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}
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}
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} // namespace i18n
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} // namespace node
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#endif // NODE_HAVE_I18N_SUPPORT
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