137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
/*
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*******************************************************************************
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*
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* Copyright (C) 2002-2006, International Business Machines
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* Corporation and others. All Rights Reserved.
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*
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*******************************************************************************
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* file name: uset_props.cpp
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* encoding: US-ASCII
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* tab size: 8 (not used)
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* indentation:4
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*
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* created on: 2004aug30
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* created by: Markus W. Scherer
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*
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* C wrappers around UnicodeSet functions that are implemented in
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* uniset_props.cpp, split off for modularization.
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*/
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#include "unicode/utypes.h"
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#include "unicode/uobject.h"
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#include "unicode/uset.h"
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#include "unicode/uniset.h"
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#include "cmemory.h"
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#include "unicode/ustring.h"
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#include "unicode/parsepos.h"
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U_NAMESPACE_USE
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U_CAPI USet* U_EXPORT2
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uset_openPattern(const UChar* pattern, int32_t patternLength,
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UErrorCode* ec)
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{
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UnicodeString pat(patternLength==-1, pattern, patternLength);
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UnicodeSet* set = new UnicodeSet(pat, *ec);
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/* test for NULL */
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if(set == 0) {
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*ec = U_MEMORY_ALLOCATION_ERROR;
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return 0;
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}
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if (U_FAILURE(*ec)) {
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delete set;
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set = NULL;
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}
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return (USet*) set;
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}
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U_CAPI USet* U_EXPORT2
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uset_openPatternOptions(const UChar* pattern, int32_t patternLength,
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uint32_t options,
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UErrorCode* ec)
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{
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UnicodeString pat(patternLength==-1, pattern, patternLength);
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UnicodeSet* set = new UnicodeSet(pat, options, NULL, *ec);
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/* test for NULL */
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if(set == 0) {
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*ec = U_MEMORY_ALLOCATION_ERROR;
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return 0;
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}
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if (U_FAILURE(*ec)) {
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delete set;
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set = NULL;
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}
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return (USet*) set;
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}
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U_CAPI int32_t U_EXPORT2
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uset_applyPattern(USet *set,
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const UChar *pattern, int32_t patternLength,
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uint32_t options,
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UErrorCode *status){
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// status code needs to be checked since we
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// dereference it
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if(status == NULL || U_FAILURE(*status)){
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return 0;
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}
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// check only the set paramenter
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// if pattern is NULL or null terminate
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// UnicodeString constructor takes care of it
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if(set == NULL){
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*status = U_ILLEGAL_ARGUMENT_ERROR;
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return 0;
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}
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UnicodeString pat(pattern, patternLength);
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ParsePosition pos;
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((UnicodeSet*) set)->applyPattern(pat, pos, options, NULL, *status);
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return pos.getIndex();
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}
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U_CAPI void U_EXPORT2
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uset_applyIntPropertyValue(USet* set,
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UProperty prop, int32_t value, UErrorCode* ec) {
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((UnicodeSet*) set)->applyIntPropertyValue(prop, value, *ec);
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}
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U_CAPI void U_EXPORT2
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uset_applyPropertyAlias(USet* set,
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const UChar *prop, int32_t propLength,
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const UChar *value, int32_t valueLength,
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UErrorCode* ec) {
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UnicodeString p(prop, propLength);
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UnicodeString v(value, valueLength);
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((UnicodeSet*) set)->applyPropertyAlias(p, v, *ec);
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}
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U_CAPI UBool U_EXPORT2
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uset_resemblesPattern(const UChar *pattern, int32_t patternLength,
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int32_t pos) {
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UnicodeString pat(pattern, patternLength);
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return ((pos+1) < pat.length() &&
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pat.charAt(pos) == (UChar)91/*[*/) ||
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UnicodeSet::resemblesPattern(pat, pos);
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}
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U_CAPI int32_t U_EXPORT2
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uset_toPattern(const USet* set,
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UChar* result, int32_t resultCapacity,
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UBool escapeUnprintable,
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UErrorCode* ec) {
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UnicodeString pat;
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((const UnicodeSet*) set)->toPattern(pat, escapeUnprintable);
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return pat.extract(result, resultCapacity, *ec);
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}
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