ICU-62108.0.1.tar.gz

[apple/icu.git] / icuSources / common / ustack.cpp

diff --git a/icuSources/common/ustack.cpp b/icuSources/common/ustack.cpp
index ef52868675e1796b7dd8f3afe1f9f0d2937e01c3..fb314b0ebe54cd61845c22ad82db1f8f19ed4372 100644 (file)
--- a/icuSources/common/ustack.cpp
+++ b/icuSources/common/ustack.cpp
@@ -1,6 +1,8 @@
+// © 2016 and later: Unicode, Inc. and others.
+// License & terms of use: http://www.unicode.org/copyright.html
 /*
 **********************************************************************
-*   Copyright (C) 2003-2003, International Business Machines
+*   Copyright (C) 2003-2011, International Business Machines
 *   Corporation and others.  All Rights Reserved.
 **********************************************************************
 */
@@ -11,4 +13,51 @@ U_NAMESPACE_BEGIN
 
 UOBJECT_DEFINE_RTTI_IMPLEMENTATION(UStack)
 
+UStack::UStack(UErrorCode &status) :
+    UVector(status)
+{
+}
+
+UStack::UStack(int32_t initialCapacity, UErrorCode &status) :
+    UVector(initialCapacity, status)
+{
+}
+
+UStack::UStack(UObjectDeleter *d, UElementsAreEqual *c, UErrorCode &status) :
+    UVector(d, c, status)
+{
+}
+
+UStack::UStack(UObjectDeleter *d, UElementsAreEqual *c, int32_t initialCapacity, UErrorCode &status) :
+    UVector(d, c, initialCapacity, status)
+{
+}
+
+UStack::~UStack() {}
+
+void* UStack::pop(void) {
+    int32_t n = size() - 1;
+    void* result = 0;
+    if (n >= 0) {
+        result = elementAt(n);
+        removeElementAt(n);
+    }
+    return result;
+}
+
+int32_t UStack::popi(void) {
+    int32_t n = size() - 1;
+    int32_t result = 0;
+    if (n >= 0) {
+        result = elementAti(n);
+        removeElementAt(n);
+    }
+    return result;
+}
+
+int32_t UStack::search(void* obj) const {
+    int32_t i = indexOf(obj);
+    return (i >= 0) ? size() - i : i;
+}
+
 U_NAMESPACE_END