1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/ds/CharTokenizer.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,93 @@
1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +#ifndef mozilla_CharTokenizer_h
1.10 +#define mozilla_CharTokenizer_h
1.11 +
1.12 +#include "nsDependentSubstring.h"
1.13 +
1.14 +namespace mozilla {
1.15 +
1.16 +template<char16_t delimiter>
1.17 +class CharTokenizer
1.18 +{
1.19 +public:
1.20 + CharTokenizer(const nsSubstring& aSource)
1.21 + {
1.22 + aSource.BeginReading(mIter);
1.23 + aSource.EndReading(mEnd);
1.24 + }
1.25 +
1.26 + /**
1.27 + * Checks if any more tokens are available.
1.28 + */
1.29 + bool hasMoreTokens()
1.30 + {
1.31 + return mIter != mEnd;
1.32 + }
1.33 +
1.34 + /**
1.35 + * Returns the next token.
1.36 + */
1.37 + const nsDependentSubstring nextToken()
1.38 + {
1.39 + nsSubstring::const_char_iterator begin = mIter;
1.40 + while (mIter != mEnd && (*mIter) != delimiter) {
1.41 + ++mIter;
1.42 + }
1.43 + nsSubstring::const_char_iterator end = mIter;
1.44 + if (mIter != mEnd) {
1.45 + ++mIter;
1.46 + }
1.47 +
1.48 + return Substring(begin, end);
1.49 + }
1.50 +
1.51 +private:
1.52 + nsSubstring::const_char_iterator mIter, mEnd;
1.53 +};
1.54 +
1.55 +template<char delimiter>
1.56 +class CCharTokenizer
1.57 +{
1.58 +public:
1.59 + CCharTokenizer(const nsCSubstring& aSource)
1.60 + {
1.61 + aSource.BeginReading(mIter);
1.62 + aSource.EndReading(mEnd);
1.63 + }
1.64 +
1.65 + /**
1.66 + * Checks if any more tokens are available.
1.67 + */
1.68 + bool hasMoreTokens()
1.69 + {
1.70 + return mIter != mEnd;
1.71 + }
1.72 +
1.73 + /**
1.74 + * Returns the next token.
1.75 + */
1.76 + const nsDependentCSubstring nextToken()
1.77 + {
1.78 + nsCSubstring::const_char_iterator begin = mIter;
1.79 + while (mIter != mEnd && (*mIter) != delimiter) {
1.80 + ++mIter;
1.81 + }
1.82 + nsCSubstring::const_char_iterator end = mIter;
1.83 + if (mIter != mEnd) {
1.84 + ++mIter;
1.85 + }
1.86 +
1.87 + return Substring(begin, end);
1.88 + }
1.89 +
1.90 +private:
1.91 + nsCSubstring::const_char_iterator mIter, mEnd;
1.92 +};
1.93 +
1.94 +} // namespace mozilla
1.95 +
1.96 +#endif /* mozilla_CharTokenizer_h */
