107 lines
2.8 KiB
C++
107 lines
2.8 KiB
C++
|
/*
|
||
|
|
**********************************************************************
|
||
|
|
* Copyright (c) 2002, International Business Machines
|
||
|
|
* Corporation and others. All Rights Reserved.
|
||
|
|
**********************************************************************
|
||
|
|
* Author: Alan Liu
|
||
|
|
* Created: November 11 2002
|
||
|
|
* Since: ICU 2.4
|
||
|
|
**********************************************************************
|
||
|
|
*/
|
||
|
|
#include "unicode/ustring.h"
|
||
|
|
#include "unicode/strenum.h"
|
||
|
|
#include "uenumimp.h"
|
||
|
|
#include "ustrenum.h"
|
||
|
|
#include "cstring.h"
|
||
|
|
#include "cmemory.h"
|
||
|
|
|
||
|
|
#define THIS(en) ((StringEnumeration*)(en->context))
|
||
|
|
|
||
|
|
U_CDECL_BEGIN
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wrapper API to make StringEnumeration look like UEnumeration.
|
||
|
|
*/
|
||
|
|
static void U_CALLCONV
|
||
|
|
ustrenum_close(UEnumeration* en) {
|
||
|
|
delete THIS(en);
|
||
|
|
uprv_free(en);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wrapper API to make StringEnumeration look like UEnumeration.
|
||
|
|
*/
|
||
|
|
static int32_t U_CALLCONV
|
||
|
|
ustrenum_count(UEnumeration* en, UErrorCode* ec) {
|
||
|
|
return THIS(en)->count(*ec);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wrapper API to make StringEnumeration look like UEnumeration.
|
||
|
|
*/
|
||
|
|
static const UChar* U_CALLCONV
|
||
|
|
ustrenum_unext(UEnumeration* en, int32_t* resultLength, UErrorCode* ec) {
|
||
|
|
const UChar* result = THIS(en)->unext(*ec);
|
||
|
|
*resultLength = (result != NULL) ? u_strlen(result) : 0;
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wrapper API to make StringEnumeration look like UEnumeration.
|
||
|
|
*/
|
||
|
|
static const char* U_CALLCONV
|
||
|
|
ustrenum_next(UEnumeration* en, int32_t* resultLength, UErrorCode* ec) {
|
||
|
|
const char* result = THIS(en)->next(*ec);
|
||
|
|
*resultLength = (result != NULL) ? uprv_strlen(result) : 0;
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Wrapper API to make StringEnumeration look like UEnumeration.
|
||
|
|
*/
|
||
|
|
static void U_CALLCONV
|
||
|
|
ustrenum_reset(UEnumeration* en, UErrorCode* ec) {
|
||
|
|
THIS(en)->reset(*ec);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Pseudo-vtable for UEnumeration wrapper around StringEnumeration.
|
||
|
|
* The StringEnumeration pointer will be stored in 'context'.
|
||
|
|
*/
|
||
|
|
static const UEnumeration TEMPLATE = {
|
||
|
|
NULL,
|
||
|
|
NULL, // store StringEnumeration pointer here
|
||
|
|
ustrenum_close,
|
||
|
|
ustrenum_count,
|
||
|
|
ustrenum_unext,
|
||
|
|
ustrenum_next,
|
||
|
|
ustrenum_reset
|
||
|
|
};
|
||
|
|
|
||
|
|
U_CDECL_END
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Given a StringEnumeration, wrap it in a UEnumeration. The
|
||
|
|
* StringEnumeration is adopted; after this call, the caller must not
|
||
|
|
* delete it (regardless of error status).
|
||
|
|
*/
|
||
|
|
U_CAPI UEnumeration* U_EXPORT2
|
||
|
|
uenum_openStringEnumeration(StringEnumeration* adopted, UErrorCode* ec) {
|
||
|
|
UEnumeration* result = NULL;
|
||
|
|
if (U_SUCCESS(*ec) && adopted != NULL) {
|
||
|
|
result = (UEnumeration*) uprv_malloc(sizeof(UEnumeration));
|
||
|
|
if (result == NULL) {
|
||
|
|
*ec = U_MEMORY_ALLOCATION_ERROR;
|
||
|
|
} else {
|
||
|
|
uprv_memcpy(result, &TEMPLATE, sizeof(TEMPLATE));
|
||
|
|
result->context = adopted;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (result == NULL) {
|
||
|
|
delete adopted;
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
//eof
|