From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 21:33:14 +0200
Subject: Adding upstream version 115.7.0esr.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 intl/icu/source/common/chariter.cpp | 100 ++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 intl/icu/source/common/chariter.cpp

(limited to 'intl/icu/source/common/chariter.cpp')

diff --git a/intl/icu/source/common/chariter.cpp b/intl/icu/source/common/chariter.cpp
new file mode 100644
index 0000000000..16f3b1e14d
--- /dev/null
+++ b/intl/icu/source/common/chariter.cpp
@@ -0,0 +1,100 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
+/*
+**********************************************************************
+*   Copyright (C) 1999-2011, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+**********************************************************************
+*/
+
+#include "unicode/chariter.h"
+
+U_NAMESPACE_BEGIN
+
+ForwardCharacterIterator::~ForwardCharacterIterator() {}
+ForwardCharacterIterator::ForwardCharacterIterator()
+: UObject()
+{}
+ForwardCharacterIterator::ForwardCharacterIterator(const ForwardCharacterIterator &other)
+: UObject(other)
+{}
+
+
+CharacterIterator::CharacterIterator()
+: textLength(0), pos(0), begin(0), end(0) {
+}
+
+CharacterIterator::CharacterIterator(int32_t length)
+: textLength(length), pos(0), begin(0), end(length) {
+    if(textLength < 0) {
+        textLength = end = 0;
+    }
+}
+
+CharacterIterator::CharacterIterator(int32_t length, int32_t position)
+: textLength(length), pos(position), begin(0), end(length) {
+    if(textLength < 0) {
+        textLength = end = 0;
+    }
+    if(pos < 0) {
+        pos = 0;
+    } else if(pos > end) {
+        pos = end;
+    }
+}
+
+CharacterIterator::CharacterIterator(int32_t length, int32_t textBegin, int32_t textEnd, int32_t position)
+: textLength(length), pos(position), begin(textBegin), end(textEnd) {
+    if(textLength < 0) {
+        textLength = 0;
+    }
+    if(begin < 0) {
+        begin = 0;
+    } else if(begin > textLength) {
+        begin = textLength;
+    }
+    if(end < begin) {
+        end = begin;
+    } else if(end > textLength) {
+        end = textLength;
+    }
+    if(pos < begin) {
+        pos = begin;
+    } else if(pos > end) {
+        pos = end;
+    }
+}
+
+CharacterIterator::~CharacterIterator() {}
+
+CharacterIterator::CharacterIterator(const CharacterIterator &that) :
+ForwardCharacterIterator(that),
+textLength(that.textLength), pos(that.pos), begin(that.begin), end(that.end)
+{
+}
+
+CharacterIterator &
+CharacterIterator::operator=(const CharacterIterator &that) {
+    ForwardCharacterIterator::operator=(that);
+    textLength = that.textLength;
+    pos = that.pos;
+    begin = that.begin;
+    end = that.end;
+    return *this;
+}
+
+// implementing first[32]PostInc() directly in a subclass should be faster
+// but these implementations make subclassing a little easier
+char16_t
+CharacterIterator::firstPostInc() {
+    setToStart();
+    return nextPostInc();
+}
+
+UChar32
+CharacterIterator::first32PostInc() {
+    setToStart();
+    return next32PostInc();
+}
+
+U_NAMESPACE_END
-- 
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