xpcom/ds/CharTokenizer.h

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     2 /* This Source Code Form is subject to the terms of the Mozilla Public
     3  * License, v. 2.0. If a copy of the MPL was not distributed with this
     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     6 #ifndef mozilla_CharTokenizer_h
     7 #define mozilla_CharTokenizer_h
     9 #include "nsDependentSubstring.h"
    11 namespace mozilla {
    13 template<char16_t delimiter>
    14 class CharTokenizer
    15 {
    16 public:
    17     CharTokenizer(const nsSubstring& aSource)
    18     {
    19       aSource.BeginReading(mIter);
    20       aSource.EndReading(mEnd);
    21     }
    23     /**
    24      * Checks if any more tokens are available.
    25      */
    26     bool hasMoreTokens()
    27     {
    28       return mIter != mEnd;
    29     }
    31     /**
    32      * Returns the next token.
    33      */
    34     const nsDependentSubstring nextToken()
    35     {
    36       nsSubstring::const_char_iterator begin = mIter;
    37       while (mIter != mEnd && (*mIter) != delimiter) {
    38         ++mIter;
    39       }
    40       nsSubstring::const_char_iterator end = mIter;
    41       if (mIter != mEnd) {
    42         ++mIter;
    43       }
    45       return Substring(begin, end);
    46     }
    48 private:
    49     nsSubstring::const_char_iterator mIter, mEnd;
    50 };
    52 template<char delimiter>
    53 class CCharTokenizer
    54 {
    55 public:
    56     CCharTokenizer(const nsCSubstring& aSource)
    57     {
    58       aSource.BeginReading(mIter);
    59       aSource.EndReading(mEnd);
    60     }
    62     /**
    63      * Checks if any more tokens are available.
    64      */
    65     bool hasMoreTokens()
    66     {
    67       return mIter != mEnd;
    68     }
    70     /**
    71      * Returns the next token.
    72      */
    73     const nsDependentCSubstring nextToken()
    74     {
    75       nsCSubstring::const_char_iterator begin = mIter;
    76       while (mIter != mEnd && (*mIter) != delimiter) {
    77         ++mIter;
    78       }
    79       nsCSubstring::const_char_iterator end = mIter;
    80       if (mIter != mEnd) {
    81         ++mIter;
    82       }
    84       return Substring(begin, end);
    85     }
    87 private:
    88     nsCSubstring::const_char_iterator mIter, mEnd;
    89 };
    91 } // namespace mozilla
    93 #endif /* mozilla_CharTokenizer_h */

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