// © 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