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// © 2016 and later: Unicode, Inc. and others.
// License & terms of use: http://www.unicode.org/copyright.html
/*
*******************************************************************************
* Copyright (C) 2015, International Business Machines Corporation
* and others. All Rights Reserved.
*******************************************************************************
* standardplural.cpp
*
* created on: 2015dec14
* created by: Markus W. Scherer
*/
#include "unicode/utypes.h"
#if !UCONFIG_NO_FORMATTING
#include "unicode/unistr.h"
#include "cstring.h"
#include "standardplural.h"
#include "uassert.h"
U_NAMESPACE_BEGIN
static const char *gKeywords[StandardPlural::COUNT] = {
"zero", "one", "two", "few", "many", "other", "=0", "=1"
};
const char *StandardPlural::getKeyword(Form p) {
U_ASSERT(ZERO <= p && p < COUNT);
return gKeywords[p];
}
int32_t StandardPlural::indexOrNegativeFromString(const char *keyword) {
switch (*keyword++) {
case 'f':
if (uprv_strcmp(keyword, "ew") == 0) {
return FEW;
}
break;
case 'm':
if (uprv_strcmp(keyword, "any") == 0) {
return MANY;
}
break;
case 'o':
if (uprv_strcmp(keyword, "ther") == 0) {
return OTHER;
} else if (uprv_strcmp(keyword, "ne") == 0) {
return ONE;
}
break;
case 't':
if (uprv_strcmp(keyword, "wo") == 0) {
return TWO;
}
break;
case 'z':
if (uprv_strcmp(keyword, "ero") == 0) {
return ZERO;
}
break;
case '=':
if (uprv_strcmp(keyword, "0") == 0) {
return EQ_0;
} else if (uprv_strcmp(keyword, "1") == 0) {
return EQ_1;
}
break;
// Also allow "0" and "1"
case '0':
if (*keyword == 0) {
return EQ_0;
}
break;
case '1':
if (*keyword == 0) {
return EQ_1;
}
break;
default:
break;
}
return -1;
}
static const char16_t gZero[] = u"zero";
static const char16_t gOne[] = u"one";
static const char16_t gTwo[] = u"two";
static const char16_t gFew[] = u"few";
static const char16_t gMany[] = u"many";
static const char16_t gOther[] = u"other";
static const char16_t gEq0[] = u"=0";
static const char16_t gEq1[] = u"=1";
int32_t StandardPlural::indexOrNegativeFromString(const UnicodeString &keyword) {
switch (keyword.length()) {
case 1:
if (keyword.charAt(0) == '0') {
return EQ_0;
} else if (keyword.charAt(0) == '1') {
return EQ_1;
}
break;
case 2:
if (keyword.compare(gEq0, 2) == 0) {
return EQ_0;
} else if (keyword.compare(gEq1, 2) == 0) {
return EQ_1;
}
break;
case 3:
if (keyword.compare(gOne, 3) == 0) {
return ONE;
} else if (keyword.compare(gTwo, 3) == 0) {
return TWO;
} else if (keyword.compare(gFew, 3) == 0) {
return FEW;
}
break;
case 4:
if (keyword.compare(gMany, 4) == 0) {
return MANY;
} else if (keyword.compare(gZero, 4) == 0) {
return ZERO;
}
break;
case 5:
if (keyword.compare(gOther, 5) == 0) {
return OTHER;
}
break;
default:
break;
}
return -1;
}
int32_t StandardPlural::indexFromString(const char *keyword, UErrorCode &errorCode) {
if (U_FAILURE(errorCode)) { return OTHER; }
int32_t i = indexOrNegativeFromString(keyword);
if (i >= 0) {
return i;
} else {
errorCode = U_ILLEGAL_ARGUMENT_ERROR;
return OTHER;
}
}
int32_t StandardPlural::indexFromString(const UnicodeString &keyword, UErrorCode &errorCode) {
if (U_FAILURE(errorCode)) { return OTHER; }
int32_t i = indexOrNegativeFromString(keyword);
if (i >= 0) {
return i;
} else {
errorCode = U_ILLEGAL_ARGUMENT_ERROR;
return OTHER;
}
}
U_NAMESPACE_END
#endif // !UCONFIG_NO_FORMATTING
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