1 // © 2016 and later: Unicode, Inc. and others.
2 // License & terms of use: http://www.unicode.org/copyright.html
3 /*
4 * Copyright (C) 2015, International Business Machines
5 * Corporation and others. All Rights Reserved.
6 *
7 * file name: digitaffix.cpp
8 */
9
10 #include "unicode/utypes.h"
11
12 #if !UCONFIG_NO_FORMATTING
13
14 #include "digitaffix.h"
15 #include "fphdlimp.h"
16 #include "uassert.h"
17 #include "unistrappender.h"
18
19 U_NAMESPACE_BEGIN
20
DigitAffix()21 DigitAffix::DigitAffix() : fAffix(), fAnnotations() {
22 }
23
DigitAffix(const UChar * value,int32_t charCount,int32_t fieldId)24 DigitAffix::DigitAffix(
25 const UChar *value, int32_t charCount, int32_t fieldId)
26 : fAffix(value, charCount),
27 fAnnotations(charCount, (UChar) fieldId, charCount) {
28 }
29
30 void
remove()31 DigitAffix::remove() {
32 fAffix.remove();
33 fAnnotations.remove();
34 }
35
36 void
appendUChar(UChar value,int32_t fieldId)37 DigitAffix::appendUChar(UChar value, int32_t fieldId) {
38 fAffix.append(value);
39 fAnnotations.append((UChar) fieldId);
40 }
41
42 void
append(const UnicodeString & value,int32_t fieldId)43 DigitAffix::append(const UnicodeString &value, int32_t fieldId) {
44 fAffix.append(value);
45 {
46 UnicodeStringAppender appender(fAnnotations);
47 int32_t len = value.length();
48 for (int32_t i = 0; i < len; ++i) {
49 appender.append((UChar) fieldId);
50 }
51 }
52 }
53
54 void
setTo(const UnicodeString & value,int32_t fieldId)55 DigitAffix::setTo(const UnicodeString &value, int32_t fieldId) {
56 fAffix = value;
57 fAnnotations.remove();
58 {
59 UnicodeStringAppender appender(fAnnotations);
60 int32_t len = value.length();
61 for (int32_t i = 0; i < len; ++i) {
62 appender.append((UChar) fieldId);
63 }
64 }
65 }
66
67 void
append(const UChar * value,int32_t charCount,int32_t fieldId)68 DigitAffix::append(const UChar *value, int32_t charCount, int32_t fieldId) {
69 fAffix.append(value, charCount);
70 {
71 UnicodeStringAppender appender(fAnnotations);
72 for (int32_t i = 0; i < charCount; ++i) {
73 appender.append((UChar) fieldId);
74 }
75 }
76 }
77
78 UnicodeString &
format(FieldPositionHandler & handler,UnicodeString & appendTo) const79 DigitAffix::format(FieldPositionHandler &handler, UnicodeString &appendTo) const {
80 int32_t len = fAffix.length();
81 if (len == 0) {
82 return appendTo;
83 }
84 if (!handler.isRecording()) {
85 return appendTo.append(fAffix);
86 }
87 U_ASSERT(fAffix.length() == fAnnotations.length());
88 int32_t appendToStart = appendTo.length();
89 int32_t lastId = (int32_t) fAnnotations.charAt(0);
90 int32_t lastIdStart = 0;
91 for (int32_t i = 1; i < len; ++i) {
92 int32_t id = (int32_t) fAnnotations.charAt(i);
93 if (id != lastId) {
94 if (lastId != UNUM_FIELD_COUNT) {
95 handler.addAttribute(lastId, appendToStart + lastIdStart, appendToStart + i);
96 }
97 lastId = id;
98 lastIdStart = i;
99 }
100 }
101 if (lastId != UNUM_FIELD_COUNT) {
102 handler.addAttribute(lastId, appendToStart + lastIdStart, appendToStart + len);
103 }
104 return appendTo.append(fAffix);
105 }
106
107 U_NAMESPACE_END
108
109 #endif /* #if !UCONFIG_NO_FORMATTING */
110