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030fa1a479
This is the normal standard way in C, C++ as well as Java and there's no longer any reason for ICU to be different. The various internal macros providing custom boolean constants can all be deleted and code as well as documentation can be updated to use lowercase true/false everywhere.
73 lines
2.2 KiB
C++
73 lines
2.2 KiB
C++
// © 2016 and later: Unicode, Inc. and others.
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// License & terms of use: http://www.unicode.org/copyright.html
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/*
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**********************************************************************
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* Copyright (c) 2004-2011, International Business Machines
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* Corporation and others. All Rights Reserved.
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**********************************************************************
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* Author: Alan Liu
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* Created: March 22 2004
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* Since: ICU 3.0
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**********************************************************************
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*/
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#ifndef __ICU_INTLTEST_TOKITER__
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#define __ICU_INTLTEST_TOKITER__
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#include "intltest.h"
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class TextFile;
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/**
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* An iterator class that returns successive string tokens from some
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* source. String tokens are, in general, separated by Pattern_White_Space
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* in the source test. Furthermore, they may be delimited by
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* either single or double quotes (opening and closing quotes must
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* match). Escapes are processed using standard ICU unescaping.
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*/
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class TokenIterator {
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public:
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/**
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* Construct an iterator over the tokens returned by the given
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* TextFile, ignoring blank lines and comment lines (first
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* non-blank character is '#'). Note that trailing comments on a
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* line, beginning with the first unquoted '#', are recognized.
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*/
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TokenIterator(TextFile* r);
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virtual ~TokenIterator();
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/**
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* Return the next token from this iterator.
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* @return true if a token was read, or false if no more tokens
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* are available or an error occurred.
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*/
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UBool next(UnicodeString& token, UErrorCode& ec);
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/**
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* Return the one-based line number of the line of the last token
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* returned by next(). Should only be called after a call to
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* next(); otherwise the return value is undefined.
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*/
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int32_t getLineNumber() const;
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/**
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* Return a string description of the position of the last line
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* returned by readLine() or readLineSkippingComments().
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*/
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//public String describePosition() {
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// return reader.describePosition() + ':' + (lastpos+1);
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//}
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private:
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UBool nextToken(UnicodeString& token, UErrorCode& ec);
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TextFile* reader; // alias
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UnicodeString line;
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UBool done;
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UBool haveLine;
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int32_t pos;
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int32_t lastpos;
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};
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#endif
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