ICU 56 update step 1

source/i18n/digitaffix.cpp

Index: source/i18n/digitaffix.cpp
diff --git a/source/i18n/digitaffix.cpp b/source/i18n/digitaffix.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..1dd3ea998b62c1754aa3c8e67be540bb4b2b095f
--- /dev/null
+++ b/source/i18n/digitaffix.cpp
@@ -0,0 +1,107 @@
+/*
+ * Copyright (C) 2015, International Business Machines
+ * Corporation and others.  All Rights Reserved.
+ *
+ * file name: digitaffix.cpp
+ */
+
+#include "unicode/utypes.h"
+
+#if !UCONFIG_NO_FORMATTING
+
+#include "digitaffix.h"
+#include "fphdlimp.h"
+#include "uassert.h"
+#include "unistrappender.h"
+
+U_NAMESPACE_BEGIN
+
+DigitAffix::DigitAffix() : fAffix(), fAnnotations() {
+}
+
+DigitAffix::DigitAffix(
+        const UChar *value, int32_t charCount, int32_t fieldId) 
+        : fAffix(value, charCount),
+          fAnnotations(charCount, (UChar) fieldId, charCount) {
+}
+
+void
+DigitAffix::remove() {
+    fAffix.remove();
+    fAnnotations.remove();
+}
+
+void
+DigitAffix::appendUChar(UChar value, int32_t fieldId) {
+    fAffix.append(value);
+    fAnnotations.append((UChar) fieldId);
+}
+
+void
+DigitAffix::append(const UnicodeString &value, int32_t fieldId) {
+    fAffix.append(value);
+    {
+        UnicodeStringAppender appender(fAnnotations);
+        int32_t len = value.length();
+        for (int32_t i = 0; i < len; ++i) {
+            appender.append((UChar) fieldId);
+        }
+    }
+}
+
+void
+DigitAffix::setTo(const UnicodeString &value, int32_t fieldId) {
+    fAffix = value;
+    fAnnotations.remove();
+    {
+        UnicodeStringAppender appender(fAnnotations);
+        int32_t len = value.length();
+        for (int32_t i = 0; i < len; ++i) {
+            appender.append((UChar) fieldId);
+        }
+    }
+}
+
+void
+DigitAffix::append(const UChar *value, int32_t charCount, int32_t fieldId) {
+    fAffix.append(value, charCount);
+    {
+        UnicodeStringAppender appender(fAnnotations);
+        for (int32_t i = 0; i < charCount; ++i) {
+            appender.append((UChar) fieldId);
+        }
+    }
+}
+
+UnicodeString &
+DigitAffix::format(FieldPositionHandler &handler, UnicodeString &appendTo) const {
+    int32_t len = fAffix.length();
+    if (len == 0) {
+        return appendTo;
+    }
+    if (!handler.isRecording()) {
+        return appendTo.append(fAffix);
+    }
+    U_ASSERT(fAffix.length() == fAnnotations.length());
+    int32_t appendToStart = appendTo.length();
+    int32_t lastId = (int32_t) fAnnotations.charAt(0);
+    int32_t lastIdStart = 0;
+    for (int32_t i = 1; i < len; ++i) {
+        int32_t id = (int32_t) fAnnotations.charAt(i);
+        if (id != lastId) {
+            if (lastId != UNUM_FIELD_COUNT) {
+                handler.addAttribute(lastId, appendToStart + lastIdStart, appendToStart + i);
+            }
+            lastId = id;
+            lastIdStart = i;
+        }
+    }
+    if (lastId != UNUM_FIELD_COUNT) {
+        handler.addAttribute(lastId, appendToStart + lastIdStart, appendToStart + len);
+    }
+    return appendTo.append(fAffix);
+}
+
+U_NAMESPACE_END
+
+#endif /* #if !UCONFIG_NO_FORMATTING */