Check in the pristine copy of ICU 4.6...

icu46/source/common/unicode/parsepos.h

Index: icu46/source/common/unicode/parsepos.h
===================================================================
--- icu46/source/common/unicode/parsepos.h	(revision 0)
+++ icu46/source/common/unicode/parsepos.h	(revision 0)
@@ -0,0 +1,230 @@
+/*
+* Copyright (C) 1997-2005, International Business Machines Corporation and others. All Rights Reserved.
+*******************************************************************************
+*
+* File PARSEPOS.H
+*
+* Modification History:
+*
+*   Date        Name        Description
+*   07/09/97    helena      Converted from java.
+*   07/17/98    stephen     Added errorIndex support.
+*   05/11/99    stephen     Cleaned up.
+*******************************************************************************
+*/
+
+#ifndef PARSEPOS_H
+#define PARSEPOS_H
+
+#include "unicode/utypes.h"
+#include "unicode/uobject.h"
+
+ 
+U_NAMESPACE_BEGIN
+
+/**
+ * \file
+ * \brief C++ API: Canonical Iterator
+ */
+/** 
+ * <code>ParsePosition</code> is a simple class used by <code>Format</code>
+ * and its subclasses to keep track of the current position during parsing.
+ * The <code>parseObject</code> method in the various <code>Format</code>
+ * classes requires a <code>ParsePosition</code> object as an argument.
+ *
+ * <p>
+ * By design, as you parse through a string with different formats,
+ * you can use the same <code>ParsePosition</code>, since the index parameter
+ * records the current position.
+ *
+ * The ParsePosition class is not suitable for subclassing.
+ *
+ * @version     1.3 10/30/97
+ * @author      Mark Davis, Helena Shih
+ * @see         java.text.Format
+ */
+
+class U_COMMON_API ParsePosition : public UObject {
+public:
+    /**
+     * Default constructor, the index starts with 0 as default.
+     * @stable ICU 2.0
+     */
+    ParsePosition()
+        : UObject(),
+        index(0),
+        errorIndex(-1)
+      {}
+
+    /**
+     * Create a new ParsePosition with the given initial index.
+     * @param newIndex the new text offset.
+     * @stable ICU 2.0
+     */
+    ParsePosition(int32_t newIndex)
+        : UObject(),
+        index(newIndex),
+        errorIndex(-1)
+      {}
+
+    /**
+     * Copy constructor
+     * @param copy the object to be copied from.
+     * @stable ICU 2.0
+     */
+    ParsePosition(const ParsePosition& copy)
+        : UObject(copy),
+        index(copy.index),
+        errorIndex(copy.errorIndex)
+      {}
+
+    /**
+     * Destructor
+     * @stable ICU 2.0
+     */
+    virtual ~ParsePosition();
+
+    /**
+     * Assignment operator
+     * @stable ICU 2.0
+     */
+    ParsePosition&      operator=(const ParsePosition& copy);
+
+    /**
+     * Equality operator.
+     * @return TRUE if the two parse positions are equal, FALSE otherwise.
+     * @stable ICU 2.0
+     */
+    UBool              operator==(const ParsePosition& that) const;
+
+    /**
+     * Equality operator.
+     * @return TRUE if the two parse positions are not equal, FALSE otherwise.
+     * @stable ICU 2.0
+     */
+    UBool              operator!=(const ParsePosition& that) const;
+
+    /**
+     * Clone this object.
+     * Clones can be used concurrently in multiple threads.
+     * If an error occurs, then NULL is returned.
+     * The caller must delete the clone.
+     *
+     * @return a clone of this object
+     *
+     * @see getDynamicClassID
+     * @stable ICU 2.8
+     */
+    ParsePosition *clone() const;
+
+    /**
+     * Retrieve the current parse position.  On input to a parse method, this
+     * is the index of the character at which parsing will begin; on output, it
+     * is the index of the character following the last character parsed.
+     * @return the current index.
+     * @stable ICU 2.0
+     */
+    int32_t getIndex(void) const;
+
+    /**
+     * Set the current parse position.
+     * @param index the new index.
+     * @stable ICU 2.0
+     */
+    void setIndex(int32_t index);
+
+    /**
+     * Set the index at which a parse error occurred.  Formatters
+     * should set this before returning an error code from their
+     * parseObject method.  The default value is -1 if this is not
+     * set.
+     * @stable ICU 2.0
+     */
+    void setErrorIndex(int32_t ei);
+
+    /**
+     * Retrieve the index at which an error occurred, or -1 if the
+     * error index has not been set.
+     * @stable ICU 2.0
+     */
+    int32_t getErrorIndex(void) const;
+
+    /**
+     * ICU "poor man's RTTI", returns a UClassID for this class.
+     *
+     * @stable ICU 2.2
+     */
+    static UClassID U_EXPORT2 getStaticClassID();
+
+    /**
+     * ICU "poor man's RTTI", returns a UClassID for the actual class.
+     *
+     * @stable ICU 2.2
+     */
+    virtual UClassID getDynamicClassID() const;
+
+private:
+    /**
+     * Input: the place you start parsing.
+     * <br>Output: position where the parse stopped.
+     * This is designed to be used serially,
+     * with each call setting index up for the next one.
+     */
+    int32_t index;
+
+    /**
+     * The index at which a parse error occurred.
+     */
+    int32_t errorIndex;
+
+};
+
+inline ParsePosition&
+ParsePosition::operator=(const ParsePosition& copy)
+{
+  index = copy.index;
+  errorIndex = copy.errorIndex;
+  return *this;
+}
+
+inline UBool
+ParsePosition::operator==(const ParsePosition& copy) const
+{
+  if(index != copy.index || errorIndex != copy.errorIndex)
+  return FALSE;
+  else
+  return TRUE;
+}
+
+inline UBool
+ParsePosition::operator!=(const ParsePosition& copy) const
+{
+  return !operator==(copy);
+}
+
+inline int32_t
+ParsePosition::getIndex() const
+{
+  return index;
+}
+
+inline void
+ParsePosition::setIndex(int32_t offset)
+{
+  this->index = offset;
+}
+
+inline int32_t
+ParsePosition::getErrorIndex() const
+{
+  return errorIndex;
+}
+
+inline void
+ParsePosition::setErrorIndex(int32_t ei)
+{
+  this->errorIndex = ei;
+}
+U_NAMESPACE_END
+
+#endif
Property changes on: icu46/source/common/unicode/parsepos.h
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