+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
/********************************************************************
* COPYRIGHT:
- * Copyright (c) 1997-2010, International Business Machines Corporation and
+ * Copyright (c) 1997-2012, International Business Machines Corporation and
* others. All Rights Reserved.
* Copyright (C) 2010 , Yahoo! Inc.
********************************************************************
* 11/16/09 kirtig Improved version
********************************************************************/
-#include <typeinfo> // for 'typeid' to work
+#include "utypeinfo.h" // for 'typeid' to work
-#include "unicode/utypes.h"
-#include "unicode/ustring.h"
-#include "unicode/ucnv_err.h"
+#include "unicode/messagepattern.h"
+#include "unicode/rbnf.h"
+#include "unicode/selfmt.h"
#include "unicode/uchar.h"
+#include "unicode/ucnv_err.h"
#include "unicode/umsg.h"
-#include "unicode/rbnf.h"
+#include "unicode/ustring.h"
+#include "unicode/utypes.h"
#include "cmemory.h"
-#include "util.h"
+#include "messageimpl.h"
+#include "patternprops.h"
+#include "selfmtimpl.h"
#include "uassert.h"
#include "ustrfmt.h"
+#include "util.h"
#include "uvector.h"
-#include "unicode/selfmt.h"
-#include "selfmtimpl.h"
-
#if !UCONFIG_NO_FORMATTING
U_NAMESPACE_BEGIN
UOBJECT_DEFINE_RTTI_IMPLEMENTATION(SelectFormat)
-#define MAX_KEYWORD_SIZE 30
static const UChar SELECT_KEYWORD_OTHER[] = {LOW_O, LOW_T, LOW_H, LOW_E, LOW_R, 0};
-SelectFormat::SelectFormat(const UnicodeString& pat, UErrorCode& status) : parsedValuesHash(NULL) {
- if (U_FAILURE(status)) {
- return;
- }
- initHashTable(status);
+SelectFormat::SelectFormat(const UnicodeString& pat,
+ UErrorCode& status) : msgPattern(status) {
applyPattern(pat, status);
}
-SelectFormat::SelectFormat(const SelectFormat& other) : Format(other), parsedValuesHash(NULL) {
- UErrorCode status = U_ZERO_ERROR;
- pattern = other.pattern;
- copyHashtable(other.parsedValuesHash, status);
+SelectFormat::SelectFormat(const SelectFormat& other) : Format(other),
+ msgPattern(other.msgPattern) {
}
SelectFormat::~SelectFormat() {
- cleanHashTable();
-}
-
-void SelectFormat::initHashTable(UErrorCode &status) {
- if (U_FAILURE(status)) {
- return;
- }
- // has inited
- if (parsedValuesHash != NULL) {
- return;
- }
-
- parsedValuesHash = new Hashtable(TRUE, status);
- if (U_FAILURE(status)) {
- cleanHashTable();
- return;
- } else {
- if (parsedValuesHash == NULL) {
- status = U_MEMORY_ALLOCATION_ERROR;
- return;
- }
- }
- // to use hashtable->equals(), must set Value Compartor.
- parsedValuesHash->setValueComparator(uhash_compareCaselessUnicodeString);
-}
-
-void SelectFormat::cleanHashTable() {
- if (parsedValuesHash != NULL) {
- delete parsedValuesHash;
- parsedValuesHash = NULL;
- }
}
void
return;
}
- pattern = newPattern;
- enum State{ startState, keywordState, pastKeywordState, phraseState};
-
- //Initialization
- UnicodeString keyword ;
- UnicodeString phrase ;
- UnicodeString* ptrPhrase ;
- int32_t braceCount = 0;
-
- if (parsedValuesHash == NULL) {
- initHashTable(status);
- if (U_FAILURE(status)) {
- return;
- }
- }
- parsedValuesHash->removeAll();
- parsedValuesHash->setValueDeleter(uhash_deleteUnicodeString);
-
- //Process the state machine
- State state = startState;
- for (int32_t i = 0; i < pattern.length(); ++i) {
- //Get the character and check its type
- UChar ch = pattern.charAt(i);
- CharacterClass type = classifyCharacter(ch);
-
- //Allow any character in phrase but nowhere else
- if ( type == tOther ) {
- if ( state == phraseState ){
- phrase += ch;
- continue;
- }else {
- status = U_PATTERN_SYNTAX_ERROR;
- cleanHashTable();
- return;
- }
- }
-
- //Process the state machine
- switch (state) {
- //At the start of pattern
- case startState:
- switch (type) {
- case tSpace:
- break;
- case tStartKeyword:
- state = keywordState;
- keyword += ch;
- break;
- //If anything else is encountered, it's a syntax error
- default:
- status = U_PATTERN_SYNTAX_ERROR;
- cleanHashTable();
- return;
- }//end of switch(type)
- break;
-
- //Handle the keyword state
- case keywordState:
- switch (type) {
- case tSpace:
- state = pastKeywordState;
- break;
- case tStartKeyword:
- case tContinueKeyword:
- keyword += ch;
- break;
- case tLeftBrace:
- state = phraseState;
- break;
- //If anything else is encountered, it's a syntax error
- default:
- status = U_PATTERN_SYNTAX_ERROR;
- cleanHashTable();
- return;
- }//end of switch(type)
- break;
-
- //Handle the pastkeyword state
- case pastKeywordState:
- switch (type) {
- case tSpace:
- break;
- case tLeftBrace:
- state = phraseState;
- break;
- //If anything else is encountered, it's a syntax error
- default:
- status = U_PATTERN_SYNTAX_ERROR;
- cleanHashTable();
- return;
- }//end of switch(type)
- break;
-
- //Handle the phrase state
- case phraseState:
- switch (type) {
- case tLeftBrace:
- braceCount++;
- phrase += ch;
- break;
- case tRightBrace:
- //Matching keyword, phrase pair found
- if (braceCount == 0){
- //Check validity of keyword
- if (parsedValuesHash->get(keyword) != NULL) {
- status = U_DUPLICATE_KEYWORD;
- cleanHashTable();
- return;
- }
- if (keyword.length() == 0) {
- status = U_PATTERN_SYNTAX_ERROR;
- cleanHashTable();
- return;
- }
-
- //Store the keyword, phrase pair in hashTable
- ptrPhrase = new UnicodeString(phrase);
- parsedValuesHash->put( keyword, ptrPhrase, status);
-
- //Reinitialize
- keyword.remove();
- phrase.remove();
- ptrPhrase = NULL;
- state = startState;
- }
-
- if (braceCount > 0){
- braceCount-- ;
- phrase += ch;
- }
- break;
- default:
- phrase += ch;
- }//end of switch(type)
- break;
-
- //Handle the default case of switch(state)
- default:
- status = U_PATTERN_SYNTAX_ERROR;
- cleanHashTable();
- return;
-
- }//end of switch(state)
- }
-
- //Check if the state machine is back to startState
- if ( state != startState){
- status = U_PATTERN_SYNTAX_ERROR;
- cleanHashTable();
- return;
- }
-
- //Check if "other" keyword is present
- if ( !checkSufficientDefinition() ) {
- status = U_DEFAULT_KEYWORD_MISSING;
- cleanHashTable();
+ msgPattern.parseSelectStyle(newPattern, NULL, status);
+ if (U_FAILURE(status)) {
+ msgPattern.clear();
}
- return;
}
UnicodeString&
FieldPosition& pos,
UErrorCode& status) const
{
- switch (obj.getType())
- {
- case Formattable::kString:
- return format(obj.getString(), appendTo, pos, status);
- default:
- if( U_SUCCESS(status) ){
- status = U_ILLEGAL_ARGUMENT_ERROR;
- }
+ if (U_FAILURE(status)) {
+ return appendTo;
+ }
+ if (obj.getType() == Formattable::kString) {
+ return format(obj.getString(status), appendTo, pos, status);
+ } else {
+ status = U_ILLEGAL_ARGUMENT_ERROR;
return appendTo;
}
}
UnicodeString& appendTo,
FieldPosition& /*pos */,
UErrorCode& status) const {
-
- if (U_FAILURE(status)) return appendTo;
-
- if (parsedValuesHash == NULL) {
- status = U_INVALID_FORMAT_ERROR;
+ if (U_FAILURE(status)) {
return appendTo;
}
-
- //Check for the validity of the keyword
- if ( !checkValidKeyword(keyword) ){
- status = U_ILLEGAL_ARGUMENT_ERROR;
+ // Check for the validity of the keyword
+ if (!PatternProps::isIdentifier(keyword.getBuffer(), keyword.length())) {
+ status = U_ILLEGAL_ARGUMENT_ERROR; // Invalid formatting argument.
+ }
+ if (msgPattern.countParts() == 0) {
+ status = U_INVALID_STATE_ERROR;
return appendTo;
}
-
- UnicodeString *selectedPattern = (UnicodeString *)parsedValuesHash->get(keyword);
- if (selectedPattern == NULL) {
- selectedPattern = (UnicodeString *)parsedValuesHash->get(SELECT_KEYWORD_OTHER);
+ int32_t msgStart = findSubMessage(msgPattern, 0, keyword, status);
+ if (!MessageImpl::jdkAposMode(msgPattern)) {
+ int32_t patternStart = msgPattern.getPart(msgStart).getLimit();
+ int32_t msgLimit = msgPattern.getLimitPartIndex(msgStart);
+ appendTo.append(msgPattern.getPatternString(),
+ patternStart,
+ msgPattern.getPatternIndex(msgLimit) - patternStart);
+ return appendTo;
}
-
- return appendTo += *selectedPattern;
+ // JDK compatibility mode: Remove SKIP_SYNTAX.
+ return MessageImpl::appendSubMessageWithoutSkipSyntax(msgPattern, msgStart, appendTo);
}
UnicodeString&
SelectFormat::toPattern(UnicodeString& appendTo) {
- return appendTo += pattern;
-}
-
-SelectFormat::CharacterClass
-SelectFormat::classifyCharacter(UChar ch) const{
- if ((ch >= CAP_A) && (ch <= CAP_Z)) {
- return tStartKeyword;
- }
- if ((ch >= LOW_A) && (ch <= LOW_Z)) {
- return tStartKeyword;
- }
- if ((ch >= U_ZERO) && (ch <= U_NINE)) {
- return tContinueKeyword;
- }
- if ( uprv_isRuleWhiteSpace(ch) ){
- return tSpace;
- }
- switch (ch) {
- case LEFTBRACE:
- return tLeftBrace;
- case RIGHTBRACE:
- return tRightBrace;
- case HYPHEN:
- case LOWLINE:
- return tContinueKeyword;
- default :
- return tOther;
+ if (0 == msgPattern.countParts()) {
+ appendTo.setToBogus();
+ } else {
+ appendTo.append(msgPattern.getPatternString());
}
+ return appendTo;
}
-UBool
-SelectFormat::checkSufficientDefinition() {
- // Check that at least the default rule is defined.
- return (parsedValuesHash != NULL &&
- parsedValuesHash->get(SELECT_KEYWORD_OTHER) != NULL) ;
-}
-UBool
-SelectFormat::checkValidKeyword(const UnicodeString& argKeyword ) const{
- int32_t len = argKeyword.length();
- if (len < 1){
- return FALSE;
+int32_t SelectFormat::findSubMessage(const MessagePattern& pattern, int32_t partIndex,
+ const UnicodeString& keyword, UErrorCode& ec) {
+ if (U_FAILURE(ec)) {
+ return 0;
}
- CharacterClass type = classifyCharacter(argKeyword.charAt(0));
- if( type != tStartKeyword ){
- return FALSE;
- }
-
- for (int32_t i = 0; i < argKeyword.length(); ++i) {
- type = classifyCharacter(argKeyword.charAt(i));
- if( type != tStartKeyword && type != tContinueKeyword ){
- return FALSE;
+ UnicodeString other(FALSE, SELECT_KEYWORD_OTHER, 5);
+ int32_t count = pattern.countParts();
+ int32_t msgStart=0;
+ // Iterate over (ARG_SELECTOR, message) pairs until ARG_LIMIT or end of select-only pattern.
+ do {
+ const MessagePattern::Part& part=pattern.getPart(partIndex++);
+ const UMessagePatternPartType type=part.getType();
+ if(type==UMSGPAT_PART_TYPE_ARG_LIMIT) {
+ break;
}
- }
- return TRUE;
+ // part is an ARG_SELECTOR followed by a message
+ if(pattern.partSubstringMatches(part, keyword)) {
+ // keyword matches
+ return partIndex;
+ } else if(msgStart==0 && pattern.partSubstringMatches(part, other)) {
+ msgStart=partIndex;
+ }
+ partIndex=pattern.getLimitPartIndex(partIndex);
+ } while(++partIndex<count);
+ return msgStart;
}
Format* SelectFormat::clone() const
SelectFormat&
SelectFormat::operator=(const SelectFormat& other) {
if (this != &other) {
- UErrorCode status = U_ZERO_ERROR;
- pattern = other.pattern;
- copyHashtable(other.parsedValuesHash, status);
+ msgPattern = other.msgPattern;
}
return *this;
}
UBool
SelectFormat::operator==(const Format& other) const {
- if( this == &other){
+ if (this == &other) {
return TRUE;
}
- if (typeid(*this) != typeid(other)) {
- return FALSE;
- }
- SelectFormat* fmt = (SelectFormat*)&other;
- Hashtable* hashOther = fmt->parsedValuesHash;
- if ( parsedValuesHash == NULL && hashOther == NULL)
- return TRUE;
- if ( parsedValuesHash == NULL || hashOther == NULL)
+ if (!Format::operator==(other)) {
return FALSE;
- return parsedValuesHash->equals(*hashOther);
+ }
+ const SelectFormat& o = (const SelectFormat&)other;
+ return msgPattern == o.msgPattern;
}
UBool
Formattable& /*result*/,
ParsePosition& pos) const
{
- // TODO: not yet supported in icu4j and icu4c
+ // Parsing not supported.
pos.setErrorIndex(pos.getIndex());
}
-void
-SelectFormat::copyHashtable(Hashtable *other, UErrorCode& status) {
- if (U_FAILURE(status)) {
- return;
- }
- if (other == NULL) {
- cleanHashTable();
- return;
- }
- if (parsedValuesHash == NULL) {
- initHashTable(status);
- if (U_FAILURE(status)) {
- return;
- }
- }
-
- parsedValuesHash->removeAll();
- parsedValuesHash->setValueDeleter(uhash_deleteUnicodeString);
-
- int32_t pos = -1;
- const UHashElement* elem = NULL;
-
- // walk through the hash table and create a deep clone
- while ((elem = other->nextElement(pos)) != NULL){
- const UHashTok otherKeyTok = elem->key;
- UnicodeString* otherKey = (UnicodeString*)otherKeyTok.pointer;
- const UHashTok otherKeyToVal = elem->value;
- UnicodeString* otherValue = (UnicodeString*)otherKeyToVal.pointer;
- parsedValuesHash->put(*otherKey, new UnicodeString(*otherValue), status);
- if (U_FAILURE(status)){
- cleanHashTable();
- return;
- }
- }
-}
-
U_NAMESPACE_END
#endif /* #if !UCONFIG_NO_FORMATTING */
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