1// © 2016 and later: Unicode, Inc. and others.
2// License & terms of use: http://www.unicode.org/copyright.html
3/*
4*******************************************************************************
5*   Copyright (C) 2011, International Business Machines
6*   Corporation and others.  All Rights Reserved.
7*******************************************************************************
8*   file name:  messageimpl.h
9*   encoding:   UTF-8
10*   tab size:   8 (not used)
11*   indentation:4
12*
13*   created on: 2011apr04
14*   created by: Markus W. Scherer
15*/
16
17#ifndef __MESSAGEIMPL_H__
18#define __MESSAGEIMPL_H__
19
20#include "unicode/utypes.h"
21
22#if !UCONFIG_NO_FORMATTING
23
24#include "unicode/messagepattern.h"
25
26U_NAMESPACE_BEGIN
27
28/**
29 * Helper functions for use of MessagePattern.
30 * In Java, these are package-private methods in MessagePattern itself.
31 * In C++, they are declared here and implemented in messagepattern.cpp.
32 */
33class U_COMMON_API MessageImpl {
34public:
35    /**
36     * @return true if getApostropheMode()==UMSGPAT_APOS_DOUBLE_REQUIRED
37     */
38    static UBool jdkAposMode(const MessagePattern &msgPattern) {
39        return msgPattern.getApostropheMode()==UMSGPAT_APOS_DOUBLE_REQUIRED;
40    }
41
42    /**
43     * Appends the s[start, limit[ substring to sb, but with only half of the apostrophes
44     * according to JDK pattern behavior.
45     */
46    static void appendReducedApostrophes(const UnicodeString &s, int32_t start, int32_t limit,
47                                         UnicodeString &sb);
48
49    /**
50     * Appends the sub-message to the result string.
51     * Omits SKIP_SYNTAX and appends whole arguments using appendReducedApostrophes().
52     */
53    static UnicodeString &appendSubMessageWithoutSkipSyntax(const MessagePattern &msgPattern,
54                                                            int32_t msgStart,
55                                                            UnicodeString &result);
56
57private:
58    MessageImpl() = delete;  // no constructor: all static methods
59};
60
61U_NAMESPACE_END
62
63#endif  // !UCONFIG_NO_FORMATTING
64
65#endif  // __MESSAGEIMPL_H__
66