зеркало из https://github.com/mozilla/gecko-dev.git
94 строки
1.9 KiB
C++
94 строки
1.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_CharTokenizer_h
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#define mozilla_CharTokenizer_h
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#include "nsDependentSubstring.h"
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namespace mozilla {
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template<char16_t delimiter>
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class CharTokenizer
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{
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public:
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CharTokenizer(const nsSubstring& aSource)
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{
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aSource.BeginReading(mIter);
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aSource.EndReading(mEnd);
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}
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/**
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* Checks if any more tokens are available.
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*/
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bool hasMoreTokens()
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{
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return mIter != mEnd;
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}
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/**
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* Returns the next token.
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*/
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const nsDependentSubstring nextToken()
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{
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nsSubstring::const_char_iterator begin = mIter;
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while (mIter != mEnd && (*mIter) != delimiter) {
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++mIter;
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}
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nsSubstring::const_char_iterator end = mIter;
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if (mIter != mEnd) {
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++mIter;
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}
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return Substring(begin, end);
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}
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private:
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nsSubstring::const_char_iterator mIter, mEnd;
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};
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template<char delimiter>
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class CCharTokenizer
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{
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public:
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CCharTokenizer(const nsCSubstring& aSource)
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{
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aSource.BeginReading(mIter);
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aSource.EndReading(mEnd);
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}
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/**
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* Checks if any more tokens are available.
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*/
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bool hasMoreTokens()
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{
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return mIter != mEnd;
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}
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/**
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* Returns the next token.
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*/
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const nsDependentCSubstring nextToken()
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{
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nsCSubstring::const_char_iterator begin = mIter;
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while (mIter != mEnd && (*mIter) != delimiter) {
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++mIter;
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}
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nsCSubstring::const_char_iterator end = mIter;
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if (mIter != mEnd) {
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++mIter;
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}
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return Substring(begin, end);
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}
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private:
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nsCSubstring::const_char_iterator mIter, mEnd;
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};
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} // namespace mozilla
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#endif /* mozilla_CharTokenizer_h */
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