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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
*
* Copyright (C) 2002-2011, International Business Machines
* Corporation and others. All Rights Reserved.
*
*******************************************************************************
* file name: uset_props.cpp
* encoding: UTF-8
* tab size: 8 (not used)
* indentation:4
*
* created on: 2004aug30
* created by: Markus W. Scherer
*
* C wrappers around UnicodeSet functions that are implemented in
* uniset_props.cpp, split off for modularization.
*/
#include <_foundation_unicode/utypes.h>
#include <_foundation_unicode/uobject.h>
#include <_foundation_unicode/uset.h>
#include <_foundation_unicode/uniset.h>
#include "cmemory.h"
#include <_foundation_unicode/ustring.h>
#include <_foundation_unicode/parsepos.h>
U_NAMESPACE_USE
U_CAPI USet* U_EXPORT2
uset_openPattern(const char16_t* pattern, int32_t patternLength,
UErrorCode* ec)
{
UnicodeString pat(patternLength==-1, pattern, patternLength);
UnicodeSet* set = new UnicodeSet(pat, *ec);
/* test for nullptr */
if(set == 0) {
*ec = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
if (U_FAILURE(*ec)) {
delete set;
set = nullptr;
}
return (USet*) set;
}
U_CAPI USet* U_EXPORT2
uset_openPatternOptions(const char16_t* pattern, int32_t patternLength,
uint32_t options,
UErrorCode* ec)
{
UnicodeString pat(patternLength==-1, pattern, patternLength);
UnicodeSet* set = new UnicodeSet(pat, options, nullptr, *ec);
/* test for nullptr */
if(set == 0) {
*ec = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
if (U_FAILURE(*ec)) {
delete set;
set = nullptr;
}
return (USet*) set;
}
U_CAPI int32_t U_EXPORT2
uset_applyPattern(USet *set,
const char16_t *pattern, int32_t patternLength,
uint32_t options,
UErrorCode *status){
// status code needs to be checked since we
// dereference it
if(status == nullptr || U_FAILURE(*status)){
return 0;
}
// check only the set paramenter
// if pattern is nullptr or NUL terminated
// UnicodeString constructor takes care of it
if(set == nullptr){
*status = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
UnicodeString pat(pattern, patternLength);
ParsePosition pos;
((UnicodeSet*) set)->applyPattern(pat, pos, options, nullptr, *status);
return pos.getIndex();
}
U_CAPI void U_EXPORT2
uset_applyIntPropertyValue(USet* set,
UProperty prop, int32_t value, UErrorCode* ec) {
((UnicodeSet*) set)->applyIntPropertyValue(prop, value, *ec);
}
U_CAPI void U_EXPORT2
uset_applyPropertyAlias(USet* set,
const char16_t *prop, int32_t propLength,
const char16_t *value, int32_t valueLength,
UErrorCode* ec) {
UnicodeString p(prop, propLength);
UnicodeString v(value, valueLength);
((UnicodeSet*) set)->applyPropertyAlias(p, v, *ec);
}
U_CAPI UBool U_EXPORT2
uset_resemblesPattern(const char16_t *pattern, int32_t patternLength,
int32_t pos) {
UnicodeString pat(pattern, patternLength);
return ((pos+1) < pat.length() &&
pat.charAt(pos) == (char16_t)91/*[*/) ||
UnicodeSet::resemblesPattern(pat, pos);
}
U_CAPI int32_t U_EXPORT2
uset_toPattern(const USet* set,
char16_t* result, int32_t resultCapacity,
UBool escapeUnprintable,
UErrorCode* ec) {
UnicodeString pat;
((const UnicodeSet*) set)->toPattern(pat, escapeUnprintable);
return pat.extract(result, resultCapacity, *ec);
}
U_CAPI void U_EXPORT2
uset_closeOver(USet* set, int32_t attributes) {
((UnicodeSet*) set)->UnicodeSet::closeOver(attributes);
}
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