52a93f69fa
Backed out changeset 3877f1fa62f5 (bug 1927706) Backed out changeset 233c6ebf84a2 (bug 1927706) Backed out changeset 07e5871d5fa3 (bug 1927706) Backed out changeset 84ef75087931 (bug 1927706) Backed out changeset f89b916619e1 (bug 1927706) Backed out changeset b82d9d622315 (bug 1927706) Backed out changeset b0d2c5711865 (bug 1927706) Backed out changeset 9529dda25bd9 (bug 1927706) Backed out changeset 40b7907d7fc8 (bug 1927706) Backed out changeset c549655dbd73 (bug 1927706) Backed out changeset c5cc289771b3 (bug 1927706) Backed out changeset 8ef66f7822c4 (bug 1927706) Backed out changeset dff6d37fb2fe (bug 1927706) Backed out changeset 083a0b3da643 (bug 1927706) Backed out changeset 06649ac72a19 (bug 1927706) Backed out changeset 019f7533abbc (bug 1927706) Backed out changeset f1539604c459 (bug 1927706) Backed out changeset 578667f1f0d4 (bug 1927706) Backed out changeset 8ed1e7e7d4ab (bug 1927706)
1234 lines
43 KiB
C++
1234 lines
43 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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*******************************************************************************
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* Copyright (C) 2011-2012, International Business Machines
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* Corporation and others. All Rights Reserved.
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*******************************************************************************
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* file name: messagepattern.cpp
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* encoding: UTF-8
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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: 2011mar14
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* created by: Markus W. Scherer
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*/
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#include "unicode/utypes.h"
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#if !UCONFIG_NO_FORMATTING
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#include "unicode/messagepattern.h"
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#include "unicode/unistr.h"
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#include "unicode/utf16.h"
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#include "cmemory.h"
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#include "cstring.h"
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#include "messageimpl.h"
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#include "patternprops.h"
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#include "putilimp.h"
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#include "uassert.h"
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U_NAMESPACE_BEGIN
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// Unicode character/code point constants ---------------------------------- ***
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static const char16_t u_pound=0x23;
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static const char16_t u_apos=0x27;
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static const char16_t u_plus=0x2B;
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static const char16_t u_comma=0x2C;
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static const char16_t u_minus=0x2D;
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static const char16_t u_dot=0x2E;
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static const char16_t u_colon=0x3A;
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static const char16_t u_lessThan=0x3C;
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static const char16_t u_equal=0x3D;
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static const char16_t u_A=0x41;
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static const char16_t u_C=0x43;
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static const char16_t u_D=0x44;
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static const char16_t u_E=0x45;
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static const char16_t u_H=0x48;
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static const char16_t u_I=0x49;
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static const char16_t u_L=0x4C;
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static const char16_t u_N=0x4E;
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static const char16_t u_O=0x4F;
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static const char16_t u_P=0x50;
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static const char16_t u_R=0x52;
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static const char16_t u_S=0x53;
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static const char16_t u_T=0x54;
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static const char16_t u_U=0x55;
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static const char16_t u_Z=0x5A;
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static const char16_t u_a=0x61;
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static const char16_t u_c=0x63;
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static const char16_t u_d=0x64;
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static const char16_t u_e=0x65;
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static const char16_t u_f=0x66;
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static const char16_t u_h=0x68;
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static const char16_t u_i=0x69;
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static const char16_t u_l=0x6C;
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static const char16_t u_n=0x6E;
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static const char16_t u_o=0x6F;
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static const char16_t u_p=0x70;
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static const char16_t u_r=0x72;
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static const char16_t u_s=0x73;
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static const char16_t u_t=0x74;
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static const char16_t u_u=0x75;
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static const char16_t u_z=0x7A;
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static const char16_t u_leftCurlyBrace=0x7B;
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static const char16_t u_pipe=0x7C;
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static const char16_t u_rightCurlyBrace=0x7D;
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static const char16_t u_lessOrEqual=0x2264; // U+2264 is <=
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static const char16_t kOffsetColon[]={ // "offset:"
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u_o, u_f, u_f, u_s, u_e, u_t, u_colon
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};
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static const char16_t kOther[]={ // "other"
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u_o, u_t, u_h, u_e, u_r
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};
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// MessagePatternList ------------------------------------------------------ ***
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template<typename T, int32_t stackCapacity>
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class MessagePatternList : public UMemory {
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public:
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MessagePatternList() {}
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void copyFrom(const MessagePatternList<T, stackCapacity> &other,
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int32_t length,
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UErrorCode &errorCode);
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UBool ensureCapacityForOneMore(int32_t oldLength, UErrorCode &errorCode);
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UBool equals(const MessagePatternList<T, stackCapacity> &other, int32_t length) const {
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for(int32_t i=0; i<length; ++i) {
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if(a[i]!=other.a[i]) { return false; }
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}
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return true;
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}
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MaybeStackArray<T, stackCapacity> a;
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};
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template<typename T, int32_t stackCapacity>
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void
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MessagePatternList<T, stackCapacity>::copyFrom(
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const MessagePatternList<T, stackCapacity> &other,
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int32_t length,
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UErrorCode &errorCode) {
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if(U_SUCCESS(errorCode) && length>0) {
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if(length>a.getCapacity() && nullptr==a.resize(length)) {
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errorCode=U_MEMORY_ALLOCATION_ERROR;
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return;
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}
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uprv_memcpy(a.getAlias(), other.a.getAlias(), (size_t)length*sizeof(T));
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}
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}
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template<typename T, int32_t stackCapacity>
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UBool
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MessagePatternList<T, stackCapacity>::ensureCapacityForOneMore(int32_t oldLength, UErrorCode &errorCode) {
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if(U_FAILURE(errorCode)) {
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return false;
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}
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if(a.getCapacity()>oldLength || a.resize(2*oldLength, oldLength)!=nullptr) {
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return true;
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}
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errorCode=U_MEMORY_ALLOCATION_ERROR;
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return false;
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}
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// MessagePatternList specializations -------------------------------------- ***
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class MessagePatternDoubleList : public MessagePatternList<double, 8> {
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};
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class MessagePatternPartsList : public MessagePatternList<MessagePattern::Part, 32> {
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};
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// MessagePattern constructors etc. ---------------------------------------- ***
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MessagePattern::MessagePattern(UErrorCode &errorCode)
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: aposMode(UCONFIG_MSGPAT_DEFAULT_APOSTROPHE_MODE),
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partsList(nullptr), parts(nullptr), partsLength(0),
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numericValuesList(nullptr), numericValues(nullptr), numericValuesLength(0),
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hasArgNames(false), hasArgNumbers(false), needsAutoQuoting(false) {
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init(errorCode);
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}
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MessagePattern::MessagePattern(UMessagePatternApostropheMode mode, UErrorCode &errorCode)
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: aposMode(mode),
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partsList(nullptr), parts(nullptr), partsLength(0),
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numericValuesList(nullptr), numericValues(nullptr), numericValuesLength(0),
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hasArgNames(false), hasArgNumbers(false), needsAutoQuoting(false) {
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init(errorCode);
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}
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MessagePattern::MessagePattern(const UnicodeString &pattern, UParseError *parseError, UErrorCode &errorCode)
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: aposMode(UCONFIG_MSGPAT_DEFAULT_APOSTROPHE_MODE),
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partsList(nullptr), parts(nullptr), partsLength(0),
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numericValuesList(nullptr), numericValues(nullptr), numericValuesLength(0),
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hasArgNames(false), hasArgNumbers(false), needsAutoQuoting(false) {
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if(init(errorCode)) {
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parse(pattern, parseError, errorCode);
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}
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}
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UBool
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MessagePattern::init(UErrorCode &errorCode) {
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if(U_FAILURE(errorCode)) {
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return false;
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}
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partsList=new MessagePatternPartsList();
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if(partsList==nullptr) {
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errorCode=U_MEMORY_ALLOCATION_ERROR;
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return false;
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}
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parts=partsList->a.getAlias();
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return true;
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}
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MessagePattern::MessagePattern(const MessagePattern &other)
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: UObject(other), aposMode(other.aposMode), msg(other.msg),
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partsList(nullptr), parts(nullptr), partsLength(0),
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numericValuesList(nullptr), numericValues(nullptr), numericValuesLength(0),
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hasArgNames(other.hasArgNames), hasArgNumbers(other.hasArgNumbers),
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needsAutoQuoting(other.needsAutoQuoting) {
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UErrorCode errorCode=U_ZERO_ERROR;
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if(!copyStorage(other, errorCode)) {
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clear();
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}
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}
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MessagePattern &
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MessagePattern::operator=(const MessagePattern &other) {
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if(this==&other) {
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return *this;
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}
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aposMode=other.aposMode;
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msg=other.msg;
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hasArgNames=other.hasArgNames;
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hasArgNumbers=other.hasArgNumbers;
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needsAutoQuoting=other.needsAutoQuoting;
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UErrorCode errorCode=U_ZERO_ERROR;
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if(!copyStorage(other, errorCode)) {
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clear();
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}
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return *this;
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}
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UBool
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MessagePattern::copyStorage(const MessagePattern &other, UErrorCode &errorCode) {
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if(U_FAILURE(errorCode)) {
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return false;
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}
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parts=nullptr;
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partsLength=0;
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numericValues=nullptr;
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numericValuesLength=0;
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if(partsList==nullptr) {
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partsList=new MessagePatternPartsList();
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if(partsList==nullptr) {
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errorCode=U_MEMORY_ALLOCATION_ERROR;
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return false;
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}
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parts=partsList->a.getAlias();
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}
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if(other.partsLength>0) {
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partsList->copyFrom(*other.partsList, other.partsLength, errorCode);
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if(U_FAILURE(errorCode)) {
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return false;
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}
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parts=partsList->a.getAlias();
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partsLength=other.partsLength;
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}
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if(other.numericValuesLength>0) {
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if(numericValuesList==nullptr) {
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numericValuesList=new MessagePatternDoubleList();
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if(numericValuesList==nullptr) {
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errorCode=U_MEMORY_ALLOCATION_ERROR;
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return false;
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}
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numericValues=numericValuesList->a.getAlias();
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}
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numericValuesList->copyFrom(
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*other.numericValuesList, other.numericValuesLength, errorCode);
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if(U_FAILURE(errorCode)) {
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return false;
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}
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numericValues=numericValuesList->a.getAlias();
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numericValuesLength=other.numericValuesLength;
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}
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return true;
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}
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MessagePattern::~MessagePattern() {
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delete partsList;
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delete numericValuesList;
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}
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// MessagePattern API ------------------------------------------------------ ***
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MessagePattern &
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MessagePattern::parse(const UnicodeString &pattern, UParseError *parseError, UErrorCode &errorCode) {
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preParse(pattern, parseError, errorCode);
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parseMessage(0, 0, 0, UMSGPAT_ARG_TYPE_NONE, parseError, errorCode);
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postParse();
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return *this;
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}
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MessagePattern &
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MessagePattern::parseChoiceStyle(const UnicodeString &pattern,
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UParseError *parseError, UErrorCode &errorCode) {
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preParse(pattern, parseError, errorCode);
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parseChoiceStyle(0, 0, parseError, errorCode);
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postParse();
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return *this;
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}
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MessagePattern &
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MessagePattern::parsePluralStyle(const UnicodeString &pattern,
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UParseError *parseError, UErrorCode &errorCode) {
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preParse(pattern, parseError, errorCode);
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parsePluralOrSelectStyle(UMSGPAT_ARG_TYPE_PLURAL, 0, 0, parseError, errorCode);
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postParse();
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return *this;
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}
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MessagePattern &
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MessagePattern::parseSelectStyle(const UnicodeString &pattern,
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UParseError *parseError, UErrorCode &errorCode) {
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preParse(pattern, parseError, errorCode);
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parsePluralOrSelectStyle(UMSGPAT_ARG_TYPE_SELECT, 0, 0, parseError, errorCode);
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postParse();
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return *this;
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}
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void
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MessagePattern::clear() {
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// Mostly the same as preParse().
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msg.remove();
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hasArgNames=hasArgNumbers=false;
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needsAutoQuoting=false;
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partsLength=0;
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numericValuesLength=0;
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}
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bool
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MessagePattern::operator==(const MessagePattern &other) const {
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if(this==&other) {
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return true;
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}
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return
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aposMode==other.aposMode &&
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msg==other.msg &&
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// parts.equals(o.parts)
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partsLength==other.partsLength &&
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(partsLength==0 || partsList->equals(*other.partsList, partsLength));
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// No need to compare numericValues if msg and parts are the same.
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}
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int32_t
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MessagePattern::hashCode() const {
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int32_t hash=(aposMode*37+msg.hashCode())*37+partsLength;
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for(int32_t i=0; i<partsLength; ++i) {
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hash=hash*37+parts[i].hashCode();
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}
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return hash;
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}
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int32_t
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MessagePattern::validateArgumentName(const UnicodeString &name) {
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if(!PatternProps::isIdentifier(name.getBuffer(), name.length())) {
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return UMSGPAT_ARG_NAME_NOT_VALID;
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}
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return parseArgNumber(name, 0, name.length());
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}
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UnicodeString
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MessagePattern::autoQuoteApostropheDeep() const {
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if(!needsAutoQuoting) {
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return msg;
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}
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UnicodeString modified(msg);
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// Iterate backward so that the insertion indexes do not change.
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int32_t count=countParts();
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for(int32_t i=count; i>0;) {
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const Part &part=getPart(--i);
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if(part.getType()==UMSGPAT_PART_TYPE_INSERT_CHAR) {
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modified.insert(part.index, (char16_t)part.value);
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}
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}
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return modified;
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}
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double
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MessagePattern::getNumericValue(const Part &part) const {
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UMessagePatternPartType type=part.type;
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if(type==UMSGPAT_PART_TYPE_ARG_INT) {
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return part.value;
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} else if(type==UMSGPAT_PART_TYPE_ARG_DOUBLE) {
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return numericValues[part.value];
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} else {
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return UMSGPAT_NO_NUMERIC_VALUE;
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}
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}
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/**
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* Returns the "offset:" value of a PluralFormat argument, or 0 if none is specified.
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* @param pluralStart the index of the first PluralFormat argument style part. (0..countParts()-1)
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* @return the "offset:" value.
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* @draft ICU 4.8
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*/
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double
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MessagePattern::getPluralOffset(int32_t pluralStart) const {
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const Part &part=getPart(pluralStart);
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if(Part::hasNumericValue(part.type)) {
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return getNumericValue(part);
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} else {
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return 0;
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}
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}
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// MessagePattern::Part ---------------------------------------------------- ***
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bool
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MessagePattern::Part::operator==(const Part &other) const {
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if(this==&other) {
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return true;
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}
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return
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type==other.type &&
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index==other.index &&
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length==other.length &&
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value==other.value &&
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limitPartIndex==other.limitPartIndex;
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}
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// MessagePattern parser --------------------------------------------------- ***
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void
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MessagePattern::preParse(const UnicodeString &pattern, UParseError *parseError, UErrorCode &errorCode) {
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if(U_FAILURE(errorCode)) {
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return;
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}
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if(parseError!=nullptr) {
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parseError->line=0;
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parseError->offset=0;
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parseError->preContext[0]=0;
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parseError->postContext[0]=0;
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}
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msg=pattern;
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hasArgNames=hasArgNumbers=false;
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needsAutoQuoting=false;
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partsLength=0;
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numericValuesLength=0;
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}
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void
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MessagePattern::postParse() {
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if(partsList!=nullptr) {
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parts=partsList->a.getAlias();
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}
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if(numericValuesList!=nullptr) {
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numericValues=numericValuesList->a.getAlias();
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}
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}
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int32_t
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MessagePattern::parseMessage(int32_t index, int32_t msgStartLength,
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int32_t nestingLevel, UMessagePatternArgType parentType,
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UParseError *parseError, UErrorCode &errorCode) {
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if(U_FAILURE(errorCode)) {
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return 0;
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}
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if(nestingLevel>Part::MAX_VALUE) {
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errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
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return 0;
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}
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int32_t msgStart=partsLength;
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addPart(UMSGPAT_PART_TYPE_MSG_START, index, msgStartLength, nestingLevel, errorCode);
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index+=msgStartLength;
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for(;;) { // while(index<msg.length()) with U_FAILURE(errorCode) check
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if(U_FAILURE(errorCode)) {
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return 0;
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}
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if(index>=msg.length()) {
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break;
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}
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char16_t c=msg.charAt(index++);
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if(c==u_apos) {
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if(index==msg.length()) {
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// The apostrophe is the last character in the pattern.
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// Add a Part for auto-quoting.
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addPart(UMSGPAT_PART_TYPE_INSERT_CHAR, index, 0,
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u_apos, errorCode); // value=char to be inserted
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needsAutoQuoting=true;
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} else {
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c=msg.charAt(index);
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if(c==u_apos) {
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// double apostrophe, skip the second one
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addPart(UMSGPAT_PART_TYPE_SKIP_SYNTAX, index++, 1, 0, errorCode);
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} else if(
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aposMode==UMSGPAT_APOS_DOUBLE_REQUIRED ||
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c==u_leftCurlyBrace || c==u_rightCurlyBrace ||
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(parentType==UMSGPAT_ARG_TYPE_CHOICE && c==u_pipe) ||
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(UMSGPAT_ARG_TYPE_HAS_PLURAL_STYLE(parentType) && c==u_pound)
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) {
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// skip the quote-starting apostrophe
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addPart(UMSGPAT_PART_TYPE_SKIP_SYNTAX, index-1, 1, 0, errorCode);
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// find the end of the quoted literal text
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for(;;) {
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index=msg.indexOf(u_apos, index+1);
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if(index>=0) {
|
|
if(/*(index+1)<msg.length() &&*/ msg.charAt(index+1)==u_apos) {
|
|
// double apostrophe inside quoted literal text
|
|
// still encodes a single apostrophe, skip the second one
|
|
addPart(UMSGPAT_PART_TYPE_SKIP_SYNTAX, ++index, 1, 0, errorCode);
|
|
} else {
|
|
// skip the quote-ending apostrophe
|
|
addPart(UMSGPAT_PART_TYPE_SKIP_SYNTAX, index++, 1, 0, errorCode);
|
|
break;
|
|
}
|
|
} else {
|
|
// The quoted text reaches to the end of the of the message.
|
|
index=msg.length();
|
|
// Add a Part for auto-quoting.
|
|
addPart(UMSGPAT_PART_TYPE_INSERT_CHAR, index, 0,
|
|
u_apos, errorCode); // value=char to be inserted
|
|
needsAutoQuoting=true;
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
// Interpret the apostrophe as literal text.
|
|
// Add a Part for auto-quoting.
|
|
addPart(UMSGPAT_PART_TYPE_INSERT_CHAR, index, 0,
|
|
u_apos, errorCode); // value=char to be inserted
|
|
needsAutoQuoting=true;
|
|
}
|
|
}
|
|
} else if(UMSGPAT_ARG_TYPE_HAS_PLURAL_STYLE(parentType) && c==u_pound) {
|
|
// The unquoted # in a plural message fragment will be replaced
|
|
// with the (number-offset).
|
|
addPart(UMSGPAT_PART_TYPE_REPLACE_NUMBER, index-1, 1, 0, errorCode);
|
|
} else if(c==u_leftCurlyBrace) {
|
|
index=parseArg(index-1, 1, nestingLevel, parseError, errorCode);
|
|
} else if((nestingLevel>0 && c==u_rightCurlyBrace) ||
|
|
(parentType==UMSGPAT_ARG_TYPE_CHOICE && c==u_pipe)) {
|
|
// Finish the message before the terminator.
|
|
// In a choice style, report the "}" substring only for the following ARG_LIMIT,
|
|
// not for this MSG_LIMIT.
|
|
int32_t limitLength=(parentType==UMSGPAT_ARG_TYPE_CHOICE && c==u_rightCurlyBrace) ? 0 : 1;
|
|
addLimitPart(msgStart, UMSGPAT_PART_TYPE_MSG_LIMIT, index-1, limitLength,
|
|
nestingLevel, errorCode);
|
|
if(parentType==UMSGPAT_ARG_TYPE_CHOICE) {
|
|
// Let the choice style parser see the '}' or '|'.
|
|
return index-1;
|
|
} else {
|
|
// continue parsing after the '}'
|
|
return index;
|
|
}
|
|
} // else: c is part of literal text
|
|
}
|
|
if(nestingLevel>0 && !inTopLevelChoiceMessage(nestingLevel, parentType)) {
|
|
setParseError(parseError, 0); // Unmatched '{' braces in message.
|
|
errorCode=U_UNMATCHED_BRACES;
|
|
return 0;
|
|
}
|
|
addLimitPart(msgStart, UMSGPAT_PART_TYPE_MSG_LIMIT, index, 0, nestingLevel, errorCode);
|
|
return index;
|
|
}
|
|
|
|
int32_t
|
|
MessagePattern::parseArg(int32_t index, int32_t argStartLength, int32_t nestingLevel,
|
|
UParseError *parseError, UErrorCode &errorCode) {
|
|
int32_t argStart=partsLength;
|
|
UMessagePatternArgType argType=UMSGPAT_ARG_TYPE_NONE;
|
|
addPart(UMSGPAT_PART_TYPE_ARG_START, index, argStartLength, argType, errorCode);
|
|
if(U_FAILURE(errorCode)) {
|
|
return 0;
|
|
}
|
|
int32_t nameIndex=index=skipWhiteSpace(index+argStartLength);
|
|
if(index==msg.length()) {
|
|
setParseError(parseError, 0); // Unmatched '{' braces in message.
|
|
errorCode=U_UNMATCHED_BRACES;
|
|
return 0;
|
|
}
|
|
// parse argument name or number
|
|
index=skipIdentifier(index);
|
|
int32_t number=parseArgNumber(nameIndex, index);
|
|
if(number>=0) {
|
|
int32_t length=index-nameIndex;
|
|
if(length>Part::MAX_LENGTH || number>Part::MAX_VALUE) {
|
|
setParseError(parseError, nameIndex); // Argument number too large.
|
|
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
hasArgNumbers=true;
|
|
addPart(UMSGPAT_PART_TYPE_ARG_NUMBER, nameIndex, length, number, errorCode);
|
|
} else if(number==UMSGPAT_ARG_NAME_NOT_NUMBER) {
|
|
int32_t length=index-nameIndex;
|
|
if(length>Part::MAX_LENGTH) {
|
|
setParseError(parseError, nameIndex); // Argument name too long.
|
|
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
hasArgNames=true;
|
|
addPart(UMSGPAT_PART_TYPE_ARG_NAME, nameIndex, length, 0, errorCode);
|
|
} else { // number<-1 (ARG_NAME_NOT_VALID)
|
|
setParseError(parseError, nameIndex); // Bad argument syntax.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
index=skipWhiteSpace(index);
|
|
if(index==msg.length()) {
|
|
setParseError(parseError, 0); // Unmatched '{' braces in message.
|
|
errorCode=U_UNMATCHED_BRACES;
|
|
return 0;
|
|
}
|
|
char16_t c=msg.charAt(index);
|
|
if(c==u_rightCurlyBrace) {
|
|
// all done
|
|
} else if(c!=u_comma) {
|
|
setParseError(parseError, nameIndex); // Bad argument syntax.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
} else /* ',' */ {
|
|
// parse argument type: case-sensitive a-zA-Z
|
|
int32_t typeIndex=index=skipWhiteSpace(index+1);
|
|
while(index<msg.length() && isArgTypeChar(msg.charAt(index))) {
|
|
++index;
|
|
}
|
|
int32_t length=index-typeIndex;
|
|
index=skipWhiteSpace(index);
|
|
if(index==msg.length()) {
|
|
setParseError(parseError, 0); // Unmatched '{' braces in message.
|
|
errorCode=U_UNMATCHED_BRACES;
|
|
return 0;
|
|
}
|
|
if(length==0 || ((c=msg.charAt(index))!=u_comma && c!=u_rightCurlyBrace)) {
|
|
setParseError(parseError, nameIndex); // Bad argument syntax.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
if(length>Part::MAX_LENGTH) {
|
|
setParseError(parseError, nameIndex); // Argument type name too long.
|
|
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
argType=UMSGPAT_ARG_TYPE_SIMPLE;
|
|
if(length==6) {
|
|
// case-insensitive comparisons for complex-type names
|
|
if(isChoice(typeIndex)) {
|
|
argType=UMSGPAT_ARG_TYPE_CHOICE;
|
|
} else if(isPlural(typeIndex)) {
|
|
argType=UMSGPAT_ARG_TYPE_PLURAL;
|
|
} else if(isSelect(typeIndex)) {
|
|
argType=UMSGPAT_ARG_TYPE_SELECT;
|
|
}
|
|
} else if(length==13) {
|
|
if(isSelect(typeIndex) && isOrdinal(typeIndex+6)) {
|
|
argType=UMSGPAT_ARG_TYPE_SELECTORDINAL;
|
|
}
|
|
}
|
|
// change the ARG_START type from NONE to argType
|
|
partsList->a[argStart].value=(int16_t)argType;
|
|
if(argType==UMSGPAT_ARG_TYPE_SIMPLE) {
|
|
addPart(UMSGPAT_PART_TYPE_ARG_TYPE, typeIndex, length, 0, errorCode);
|
|
}
|
|
// look for an argument style (pattern)
|
|
if(c==u_rightCurlyBrace) {
|
|
if(argType!=UMSGPAT_ARG_TYPE_SIMPLE) {
|
|
setParseError(parseError, nameIndex); // No style field for complex argument.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
} else /* ',' */ {
|
|
++index;
|
|
if(argType==UMSGPAT_ARG_TYPE_SIMPLE) {
|
|
index=parseSimpleStyle(index, parseError, errorCode);
|
|
} else if(argType==UMSGPAT_ARG_TYPE_CHOICE) {
|
|
index=parseChoiceStyle(index, nestingLevel, parseError, errorCode);
|
|
} else {
|
|
index=parsePluralOrSelectStyle(argType, index, nestingLevel, parseError, errorCode);
|
|
}
|
|
}
|
|
}
|
|
// Argument parsing stopped on the '}'.
|
|
addLimitPart(argStart, UMSGPAT_PART_TYPE_ARG_LIMIT, index, 1, argType, errorCode);
|
|
return index+1;
|
|
}
|
|
|
|
int32_t
|
|
MessagePattern::parseSimpleStyle(int32_t index, UParseError *parseError, UErrorCode &errorCode) {
|
|
if(U_FAILURE(errorCode)) {
|
|
return 0;
|
|
}
|
|
int32_t start=index;
|
|
int32_t nestedBraces=0;
|
|
while(index<msg.length()) {
|
|
char16_t c=msg.charAt(index++);
|
|
if(c==u_apos) {
|
|
// Treat apostrophe as quoting but include it in the style part.
|
|
// Find the end of the quoted literal text.
|
|
index=msg.indexOf(u_apos, index);
|
|
if(index<0) {
|
|
// Quoted literal argument style text reaches to the end of the message.
|
|
setParseError(parseError, start);
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
// skip the quote-ending apostrophe
|
|
++index;
|
|
} else if(c==u_leftCurlyBrace) {
|
|
++nestedBraces;
|
|
} else if(c==u_rightCurlyBrace) {
|
|
if(nestedBraces>0) {
|
|
--nestedBraces;
|
|
} else {
|
|
int32_t length=--index-start;
|
|
if(length>Part::MAX_LENGTH) {
|
|
setParseError(parseError, start); // Argument style text too long.
|
|
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
addPart(UMSGPAT_PART_TYPE_ARG_STYLE, start, length, 0, errorCode);
|
|
return index;
|
|
}
|
|
} // c is part of literal text
|
|
}
|
|
setParseError(parseError, 0); // Unmatched '{' braces in message.
|
|
errorCode=U_UNMATCHED_BRACES;
|
|
return 0;
|
|
}
|
|
|
|
int32_t
|
|
MessagePattern::parseChoiceStyle(int32_t index, int32_t nestingLevel,
|
|
UParseError *parseError, UErrorCode &errorCode) {
|
|
if(U_FAILURE(errorCode)) {
|
|
return 0;
|
|
}
|
|
int32_t start=index;
|
|
index=skipWhiteSpace(index);
|
|
if(index==msg.length() || msg.charAt(index)==u_rightCurlyBrace) {
|
|
setParseError(parseError, 0); // Missing choice argument pattern.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
for(;;) {
|
|
// The choice argument style contains |-separated (number, separator, message) triples.
|
|
// Parse the number.
|
|
int32_t numberIndex=index;
|
|
index=skipDouble(index);
|
|
int32_t length=index-numberIndex;
|
|
if(length==0) {
|
|
setParseError(parseError, start); // Bad choice pattern syntax.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
if(length>Part::MAX_LENGTH) {
|
|
setParseError(parseError, numberIndex); // Choice number too long.
|
|
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
parseDouble(numberIndex, index, true, parseError, errorCode); // adds ARG_INT or ARG_DOUBLE
|
|
if(U_FAILURE(errorCode)) {
|
|
return 0;
|
|
}
|
|
// Parse the separator.
|
|
index=skipWhiteSpace(index);
|
|
if(index==msg.length()) {
|
|
setParseError(parseError, start); // Bad choice pattern syntax.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
char16_t c=msg.charAt(index);
|
|
if(!(c==u_pound || c==u_lessThan || c==u_lessOrEqual)) { // U+2264 is <=
|
|
setParseError(parseError, start); // Expected choice separator (#<\u2264) instead of c.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
addPart(UMSGPAT_PART_TYPE_ARG_SELECTOR, index, 1, 0, errorCode);
|
|
// Parse the message fragment.
|
|
index=parseMessage(++index, 0, nestingLevel+1, UMSGPAT_ARG_TYPE_CHOICE, parseError, errorCode);
|
|
if(U_FAILURE(errorCode)) {
|
|
return 0;
|
|
}
|
|
// parseMessage(..., CHOICE) returns the index of the terminator, or msg.length().
|
|
if(index==msg.length()) {
|
|
return index;
|
|
}
|
|
if(msg.charAt(index)==u_rightCurlyBrace) {
|
|
if(!inMessageFormatPattern(nestingLevel)) {
|
|
setParseError(parseError, start); // Bad choice pattern syntax.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
return index;
|
|
} // else the terminator is '|'
|
|
index=skipWhiteSpace(index+1);
|
|
}
|
|
}
|
|
|
|
int32_t
|
|
MessagePattern::parsePluralOrSelectStyle(UMessagePatternArgType argType,
|
|
int32_t index, int32_t nestingLevel,
|
|
UParseError *parseError, UErrorCode &errorCode) {
|
|
if(U_FAILURE(errorCode)) {
|
|
return 0;
|
|
}
|
|
int32_t start=index;
|
|
UBool isEmpty=true;
|
|
UBool hasOther=false;
|
|
for(;;) {
|
|
// First, collect the selector looking for a small set of terminators.
|
|
// It would be a little faster to consider the syntax of each possible
|
|
// token right here, but that makes the code too complicated.
|
|
index=skipWhiteSpace(index);
|
|
UBool eos=index==msg.length();
|
|
if(eos || msg.charAt(index)==u_rightCurlyBrace) {
|
|
if(eos==inMessageFormatPattern(nestingLevel)) {
|
|
setParseError(parseError, start); // Bad plural/select pattern syntax.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
if(!hasOther) {
|
|
setParseError(parseError, 0); // Missing 'other' keyword in plural/select pattern.
|
|
errorCode=U_DEFAULT_KEYWORD_MISSING;
|
|
return 0;
|
|
}
|
|
return index;
|
|
}
|
|
int32_t selectorIndex=index;
|
|
if(UMSGPAT_ARG_TYPE_HAS_PLURAL_STYLE(argType) && msg.charAt(selectorIndex)==u_equal) {
|
|
// explicit-value plural selector: =double
|
|
index=skipDouble(index+1);
|
|
int32_t length=index-selectorIndex;
|
|
if(length==1) {
|
|
setParseError(parseError, start); // Bad plural/select pattern syntax.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
if(length>Part::MAX_LENGTH) {
|
|
setParseError(parseError, selectorIndex); // Argument selector too long.
|
|
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
addPart(UMSGPAT_PART_TYPE_ARG_SELECTOR, selectorIndex, length, 0, errorCode);
|
|
parseDouble(selectorIndex+1, index, false,
|
|
parseError, errorCode); // adds ARG_INT or ARG_DOUBLE
|
|
} else {
|
|
index=skipIdentifier(index);
|
|
int32_t length=index-selectorIndex;
|
|
if(length==0) {
|
|
setParseError(parseError, start); // Bad plural/select pattern syntax.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
// Note: The ':' in "offset:" is just beyond the skipIdentifier() range.
|
|
if( UMSGPAT_ARG_TYPE_HAS_PLURAL_STYLE(argType) && length==6 && index<msg.length() &&
|
|
0==msg.compare(selectorIndex, 7, kOffsetColon, 0, 7)
|
|
) {
|
|
// plural offset, not a selector
|
|
if(!isEmpty) {
|
|
// Plural argument 'offset:' (if present) must precede key-message pairs.
|
|
setParseError(parseError, start);
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
// allow whitespace between offset: and its value
|
|
int32_t valueIndex=skipWhiteSpace(index+1); // The ':' is at index.
|
|
index=skipDouble(valueIndex);
|
|
if(index==valueIndex) {
|
|
setParseError(parseError, start); // Missing value for plural 'offset:'.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
if((index-valueIndex)>Part::MAX_LENGTH) {
|
|
setParseError(parseError, valueIndex); // Plural offset value too long.
|
|
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
parseDouble(valueIndex, index, false,
|
|
parseError, errorCode); // adds ARG_INT or ARG_DOUBLE
|
|
if(U_FAILURE(errorCode)) {
|
|
return 0;
|
|
}
|
|
isEmpty=false;
|
|
continue; // no message fragment after the offset
|
|
} else {
|
|
// normal selector word
|
|
if(length>Part::MAX_LENGTH) {
|
|
setParseError(parseError, selectorIndex); // Argument selector too long.
|
|
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return 0;
|
|
}
|
|
addPart(UMSGPAT_PART_TYPE_ARG_SELECTOR, selectorIndex, length, 0, errorCode);
|
|
if(0==msg.compare(selectorIndex, length, kOther, 0, 5)) {
|
|
hasOther=true;
|
|
}
|
|
}
|
|
}
|
|
if(U_FAILURE(errorCode)) {
|
|
return 0;
|
|
}
|
|
|
|
// parse the message fragment following the selector
|
|
index=skipWhiteSpace(index);
|
|
if(index==msg.length() || msg.charAt(index)!=u_leftCurlyBrace) {
|
|
setParseError(parseError, selectorIndex); // No message fragment after plural/select selector.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return 0;
|
|
}
|
|
index=parseMessage(index, 1, nestingLevel+1, argType, parseError, errorCode);
|
|
if(U_FAILURE(errorCode)) {
|
|
return 0;
|
|
}
|
|
isEmpty=false;
|
|
}
|
|
}
|
|
|
|
int32_t
|
|
MessagePattern::parseArgNumber(const UnicodeString &s, int32_t start, int32_t limit) {
|
|
// If the identifier contains only ASCII digits, then it is an argument _number_
|
|
// and must not have leading zeros (except "0" itself).
|
|
// Otherwise it is an argument _name_.
|
|
if(start>=limit) {
|
|
return UMSGPAT_ARG_NAME_NOT_VALID;
|
|
}
|
|
int32_t number;
|
|
// Defer numeric errors until we know there are only digits.
|
|
UBool badNumber;
|
|
char16_t c=s.charAt(start++);
|
|
if(c==0x30) {
|
|
if(start==limit) {
|
|
return 0;
|
|
} else {
|
|
number=0;
|
|
badNumber=true; // leading zero
|
|
}
|
|
} else if(0x31<=c && c<=0x39) {
|
|
number=c-0x30;
|
|
badNumber=false;
|
|
} else {
|
|
return UMSGPAT_ARG_NAME_NOT_NUMBER;
|
|
}
|
|
while(start<limit) {
|
|
c=s.charAt(start++);
|
|
if(0x30<=c && c<=0x39) {
|
|
if(number>=INT32_MAX/10) {
|
|
badNumber=true; // overflow
|
|
}
|
|
number=number*10+(c-0x30);
|
|
} else {
|
|
return UMSGPAT_ARG_NAME_NOT_NUMBER;
|
|
}
|
|
}
|
|
// There are only ASCII digits.
|
|
if(badNumber) {
|
|
return UMSGPAT_ARG_NAME_NOT_VALID;
|
|
} else {
|
|
return number;
|
|
}
|
|
}
|
|
|
|
void
|
|
MessagePattern::parseDouble(int32_t start, int32_t limit, UBool allowInfinity,
|
|
UParseError *parseError, UErrorCode &errorCode) {
|
|
if(U_FAILURE(errorCode)) {
|
|
return;
|
|
}
|
|
U_ASSERT(start<limit);
|
|
// fake loop for easy exit and single throw statement
|
|
for(;;) { /*loop doesn't iterate*/
|
|
// fast path for small integers and infinity
|
|
int32_t value=0;
|
|
int32_t isNegative=0; // not boolean so that we can easily add it to value
|
|
int32_t index=start;
|
|
char16_t c=msg.charAt(index++);
|
|
if(c==u_minus) {
|
|
isNegative=1;
|
|
if(index==limit) {
|
|
break; // no number
|
|
}
|
|
c=msg.charAt(index++);
|
|
} else if(c==u_plus) {
|
|
if(index==limit) {
|
|
break; // no number
|
|
}
|
|
c=msg.charAt(index++);
|
|
}
|
|
if(c==0x221e) { // infinity
|
|
if(allowInfinity && index==limit) {
|
|
double infinity=uprv_getInfinity();
|
|
addArgDoublePart(
|
|
isNegative!=0 ? -infinity : infinity,
|
|
start, limit-start, errorCode);
|
|
return;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
// try to parse the number as a small integer but fall back to a double
|
|
while('0'<=c && c<='9') {
|
|
value=value*10+(c-'0');
|
|
if(value>(Part::MAX_VALUE+isNegative)) {
|
|
break; // not a small-enough integer
|
|
}
|
|
if(index==limit) {
|
|
addPart(UMSGPAT_PART_TYPE_ARG_INT, start, limit-start,
|
|
isNegative!=0 ? -value : value, errorCode);
|
|
return;
|
|
}
|
|
c=msg.charAt(index++);
|
|
}
|
|
// Let Double.parseDouble() throw a NumberFormatException.
|
|
char numberChars[128];
|
|
int32_t capacity=(int32_t)sizeof(numberChars);
|
|
int32_t length=limit-start;
|
|
if(length>=capacity) {
|
|
break; // number too long
|
|
}
|
|
msg.extract(start, length, numberChars, capacity, US_INV);
|
|
if((int32_t)uprv_strlen(numberChars)<length) {
|
|
break; // contains non-invariant character that was turned into NUL
|
|
}
|
|
char *end;
|
|
double numericValue=uprv_strtod(numberChars, &end);
|
|
if(end!=(numberChars+length)) {
|
|
break; // parsing error
|
|
}
|
|
addArgDoublePart(numericValue, start, length, errorCode);
|
|
return;
|
|
}
|
|
setParseError(parseError, start /*, limit*/); // Bad syntax for numeric value.
|
|
errorCode=U_PATTERN_SYNTAX_ERROR;
|
|
return;
|
|
}
|
|
|
|
int32_t
|
|
MessagePattern::skipWhiteSpace(int32_t index) {
|
|
const char16_t *s=msg.getBuffer();
|
|
int32_t msgLength=msg.length();
|
|
const char16_t *t=PatternProps::skipWhiteSpace(s+index, msgLength-index);
|
|
return (int32_t)(t-s);
|
|
}
|
|
|
|
int32_t
|
|
MessagePattern::skipIdentifier(int32_t index) {
|
|
const char16_t *s=msg.getBuffer();
|
|
int32_t msgLength=msg.length();
|
|
const char16_t *t=PatternProps::skipIdentifier(s+index, msgLength-index);
|
|
return (int32_t)(t-s);
|
|
}
|
|
|
|
int32_t
|
|
MessagePattern::skipDouble(int32_t index) {
|
|
int32_t msgLength=msg.length();
|
|
while(index<msgLength) {
|
|
char16_t c=msg.charAt(index);
|
|
// U+221E: Allow the infinity symbol, for ChoiceFormat patterns.
|
|
if((c<0x30 && c!=u_plus && c!=u_minus && c!=u_dot) || (c>0x39 && c!=u_e && c!=u_E && c!=0x221e)) {
|
|
break;
|
|
}
|
|
++index;
|
|
}
|
|
return index;
|
|
}
|
|
|
|
UBool
|
|
MessagePattern::isArgTypeChar(UChar32 c) {
|
|
return (u_a<=c && c<=u_z) || (u_A<=c && c<=u_Z);
|
|
}
|
|
|
|
UBool
|
|
MessagePattern::isChoice(int32_t index) {
|
|
char16_t c;
|
|
return
|
|
((c=msg.charAt(index++))==u_c || c==u_C) &&
|
|
((c=msg.charAt(index++))==u_h || c==u_H) &&
|
|
((c=msg.charAt(index++))==u_o || c==u_O) &&
|
|
((c=msg.charAt(index++))==u_i || c==u_I) &&
|
|
((c=msg.charAt(index++))==u_c || c==u_C) &&
|
|
((c=msg.charAt(index))==u_e || c==u_E);
|
|
}
|
|
|
|
UBool
|
|
MessagePattern::isPlural(int32_t index) {
|
|
char16_t c;
|
|
return
|
|
((c=msg.charAt(index++))==u_p || c==u_P) &&
|
|
((c=msg.charAt(index++))==u_l || c==u_L) &&
|
|
((c=msg.charAt(index++))==u_u || c==u_U) &&
|
|
((c=msg.charAt(index++))==u_r || c==u_R) &&
|
|
((c=msg.charAt(index++))==u_a || c==u_A) &&
|
|
((c=msg.charAt(index))==u_l || c==u_L);
|
|
}
|
|
|
|
UBool
|
|
MessagePattern::isSelect(int32_t index) {
|
|
char16_t c;
|
|
return
|
|
((c=msg.charAt(index++))==u_s || c==u_S) &&
|
|
((c=msg.charAt(index++))==u_e || c==u_E) &&
|
|
((c=msg.charAt(index++))==u_l || c==u_L) &&
|
|
((c=msg.charAt(index++))==u_e || c==u_E) &&
|
|
((c=msg.charAt(index++))==u_c || c==u_C) &&
|
|
((c=msg.charAt(index))==u_t || c==u_T);
|
|
}
|
|
|
|
UBool
|
|
MessagePattern::isOrdinal(int32_t index) {
|
|
char16_t c;
|
|
return
|
|
((c=msg.charAt(index++))==u_o || c==u_O) &&
|
|
((c=msg.charAt(index++))==u_r || c==u_R) &&
|
|
((c=msg.charAt(index++))==u_d || c==u_D) &&
|
|
((c=msg.charAt(index++))==u_i || c==u_I) &&
|
|
((c=msg.charAt(index++))==u_n || c==u_N) &&
|
|
((c=msg.charAt(index++))==u_a || c==u_A) &&
|
|
((c=msg.charAt(index))==u_l || c==u_L);
|
|
}
|
|
|
|
UBool
|
|
MessagePattern::inMessageFormatPattern(int32_t nestingLevel) {
|
|
return nestingLevel>0 || partsList->a[0].type==UMSGPAT_PART_TYPE_MSG_START;
|
|
}
|
|
|
|
UBool
|
|
MessagePattern::inTopLevelChoiceMessage(int32_t nestingLevel, UMessagePatternArgType parentType) {
|
|
return
|
|
nestingLevel==1 &&
|
|
parentType==UMSGPAT_ARG_TYPE_CHOICE &&
|
|
partsList->a[0].type!=UMSGPAT_PART_TYPE_MSG_START;
|
|
}
|
|
|
|
void
|
|
MessagePattern::addPart(UMessagePatternPartType type, int32_t index, int32_t length,
|
|
int32_t value, UErrorCode &errorCode) {
|
|
if(partsList->ensureCapacityForOneMore(partsLength, errorCode)) {
|
|
Part &part=partsList->a[partsLength++];
|
|
part.type=type;
|
|
part.index=index;
|
|
part.length=(uint16_t)length;
|
|
part.value=(int16_t)value;
|
|
part.limitPartIndex=0;
|
|
}
|
|
}
|
|
|
|
void
|
|
MessagePattern::addLimitPart(int32_t start,
|
|
UMessagePatternPartType type, int32_t index, int32_t length,
|
|
int32_t value, UErrorCode &errorCode) {
|
|
partsList->a[start].limitPartIndex=partsLength;
|
|
addPart(type, index, length, value, errorCode);
|
|
}
|
|
|
|
void
|
|
MessagePattern::addArgDoublePart(double numericValue, int32_t start, int32_t length,
|
|
UErrorCode &errorCode) {
|
|
if(U_FAILURE(errorCode)) {
|
|
return;
|
|
}
|
|
int32_t numericIndex=numericValuesLength;
|
|
if(numericValuesList==nullptr) {
|
|
numericValuesList=new MessagePatternDoubleList();
|
|
if(numericValuesList==nullptr) {
|
|
errorCode=U_MEMORY_ALLOCATION_ERROR;
|
|
return;
|
|
}
|
|
} else if(!numericValuesList->ensureCapacityForOneMore(numericValuesLength, errorCode)) {
|
|
return;
|
|
} else {
|
|
if(numericIndex>Part::MAX_VALUE) {
|
|
errorCode=U_INDEX_OUTOFBOUNDS_ERROR;
|
|
return;
|
|
}
|
|
}
|
|
numericValuesList->a[numericValuesLength++]=numericValue;
|
|
addPart(UMSGPAT_PART_TYPE_ARG_DOUBLE, start, length, numericIndex, errorCode);
|
|
}
|
|
|
|
void
|
|
MessagePattern::setParseError(UParseError *parseError, int32_t index) {
|
|
if(parseError==nullptr) {
|
|
return;
|
|
}
|
|
parseError->offset=index;
|
|
|
|
// Set preContext to some of msg before index.
|
|
// Avoid splitting a surrogate pair.
|
|
int32_t length=index;
|
|
if(length>=U_PARSE_CONTEXT_LEN) {
|
|
length=U_PARSE_CONTEXT_LEN-1;
|
|
if(length>0 && U16_IS_TRAIL(msg[index-length])) {
|
|
--length;
|
|
}
|
|
}
|
|
msg.extract(index-length, length, parseError->preContext);
|
|
parseError->preContext[length]=0;
|
|
|
|
// Set postContext to some of msg starting at index.
|
|
length=msg.length()-index;
|
|
if(length>=U_PARSE_CONTEXT_LEN) {
|
|
length=U_PARSE_CONTEXT_LEN-1;
|
|
if(length>0 && U16_IS_LEAD(msg[index+length-1])) {
|
|
--length;
|
|
}
|
|
}
|
|
msg.extract(index, length, parseError->postContext);
|
|
parseError->postContext[length]=0;
|
|
}
|
|
|
|
// MessageImpl ------------------------------------------------------------- ***
|
|
|
|
void
|
|
MessageImpl::appendReducedApostrophes(const UnicodeString &s, int32_t start, int32_t limit,
|
|
UnicodeString &sb) {
|
|
int32_t doubleApos=-1;
|
|
for(;;) {
|
|
int32_t i=s.indexOf(u_apos, start);
|
|
if(i<0 || i>=limit) {
|
|
sb.append(s, start, limit-start);
|
|
break;
|
|
}
|
|
if(i==doubleApos) {
|
|
// Double apostrophe at start-1 and start==i, append one.
|
|
sb.append(u_apos);
|
|
++start;
|
|
doubleApos=-1;
|
|
} else {
|
|
// Append text between apostrophes and skip this one.
|
|
sb.append(s, start, i-start);
|
|
doubleApos=start=i+1;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Ported from second half of ICU4J SelectFormat.format(String).
|
|
UnicodeString &
|
|
MessageImpl::appendSubMessageWithoutSkipSyntax(const MessagePattern &msgPattern,
|
|
int32_t msgStart,
|
|
UnicodeString &result) {
|
|
const UnicodeString &msgString=msgPattern.getPatternString();
|
|
int32_t prevIndex=msgPattern.getPart(msgStart).getLimit();
|
|
for(int32_t i=msgStart;;) {
|
|
const MessagePattern::Part &part=msgPattern.getPart(++i);
|
|
UMessagePatternPartType type=part.getType();
|
|
int32_t index=part.getIndex();
|
|
if(type==UMSGPAT_PART_TYPE_MSG_LIMIT) {
|
|
return result.append(msgString, prevIndex, index-prevIndex);
|
|
} else if(type==UMSGPAT_PART_TYPE_SKIP_SYNTAX) {
|
|
result.append(msgString, prevIndex, index-prevIndex);
|
|
prevIndex=part.getLimit();
|
|
} else if(type==UMSGPAT_PART_TYPE_ARG_START) {
|
|
result.append(msgString, prevIndex, index-prevIndex);
|
|
prevIndex=index;
|
|
i=msgPattern.getLimitPartIndex(i);
|
|
index=msgPattern.getPart(i).getLimit();
|
|
appendReducedApostrophes(msgString, prevIndex, index, result);
|
|
prevIndex=index;
|
|
}
|
|
}
|
|
}
|
|
|
|
U_NAMESPACE_END
|
|
|
|
#endif // !UCONFIG_NO_FORMATTING
|