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/*
*******************************************************************************
*
* Copyright (C) 2002-2006, International Business Machines
* Corporation and others. All Rights Reserved.
*
*******************************************************************************
* file name: uset_props.cpp
* encoding: US-ASCII
* 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 "unicode/utypes.h"
#include "unicode/uobject.h"
#include "unicode/uset.h"
#include "unicode/uniset.h"
#include "cmemory.h"
#include "unicode/ustring.h"
#include "unicode/parsepos.h"
U_NAMESPACE_USE
U_CAPI USet* U_EXPORT2
uset_openPattern(const UChar* pattern, int32_t patternLength,
UErrorCode* ec)
{
UnicodeString pat(patternLength==-1, pattern, patternLength);
UnicodeSet* set = new UnicodeSet(pat, *ec);
/* test for NULL */
if(set == 0) {
*ec = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
if (U_FAILURE(*ec)) {
delete set;
set = NULL;
}
return (USet*) set;
}
U_CAPI USet* U_EXPORT2
uset_openPatternOptions(const UChar* pattern, int32_t patternLength,
uint32_t options,
UErrorCode* ec)
{
UnicodeString pat(patternLength==-1, pattern, patternLength);
UnicodeSet* set = new UnicodeSet(pat, options, NULL, *ec);
/* test for NULL */
if(set == 0) {
*ec = U_MEMORY_ALLOCATION_ERROR;
return 0;
}
if (U_FAILURE(*ec)) {
delete set;
set = NULL;
}
return (USet*) set;
}
U_CAPI int32_t U_EXPORT2
uset_applyPattern(USet *set,
const UChar *pattern, int32_t patternLength,
uint32_t options,
UErrorCode *status){
// status code needs to be checked since we
// dereference it
if(status == NULL || U_FAILURE(*status)){
return 0;
}
// check only the set paramenter
// if pattern is NULL or null terminate
// UnicodeString constructor takes care of it
if(set == NULL){
*status = U_ILLEGAL_ARGUMENT_ERROR;
return 0;
}
UnicodeString pat(pattern, patternLength);
ParsePosition pos;
((UnicodeSet*) set)->applyPattern(pat, pos, options, NULL, *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 UChar *prop, int32_t propLength,
const UChar *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 UChar *pattern, int32_t patternLength,
int32_t pos) {
UnicodeString pat(pattern, patternLength);
return ((pos+1) < pat.length() &&
pat.charAt(pos) == (UChar)91/*[*/) ||
UnicodeSet::resemblesPattern(pat, pos);
}
U_CAPI int32_t U_EXPORT2
uset_toPattern(const USet* set,
UChar* result, int32_t resultCapacity,
UBool escapeUnprintable,
UErrorCode* ec) {
UnicodeString pat;
((const UnicodeSet*) set)->toPattern(pat, escapeUnprintable);
return pat.extract(result, resultCapacity, *ec);
}
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