/usr/include/thunderbird/nsWhitespaceTokenizer.h is in thunderbird-dev 1:38.6.0+build1-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef __nsWhitespaceTokenizer_h
#define __nsWhitespaceTokenizer_h
#include "mozilla/RangedPtr.h"
#include "nsDependentSubstring.h"
#include "nsCRT.h"
template<typename DependentSubstringType, bool IsWhitespace(char16_t)>
class nsTWhitespaceTokenizer
{
typedef typename DependentSubstringType::char_type CharType;
typedef typename DependentSubstringType::substring_type SubstringType;
public:
explicit nsTWhitespaceTokenizer(const SubstringType& aSource)
: mIter(aSource.Data(), aSource.Length())
, mEnd(aSource.Data() + aSource.Length(), aSource.Data(),
aSource.Length())
, mWhitespaceBeforeFirstToken(false)
, mWhitespaceAfterCurrentToken(false)
{
while (mIter < mEnd && IsWhitespace(*mIter)) {
mWhitespaceBeforeFirstToken = true;
++mIter;
}
}
/**
* Checks if any more tokens are available.
*/
bool hasMoreTokens() const
{
return mIter < mEnd;
}
/*
* Returns true if there is whitespace prior to the first token.
*/
bool whitespaceBeforeFirstToken() const
{
return mWhitespaceBeforeFirstToken;
}
/*
* Returns true if there is any whitespace after the current token.
* This is always true unless we're reading the last token.
*/
bool whitespaceAfterCurrentToken() const
{
return mWhitespaceAfterCurrentToken;
}
/**
* Returns the next token.
*/
const DependentSubstringType nextToken()
{
const mozilla::RangedPtr<const CharType> tokenStart = mIter;
while (mIter < mEnd && !IsWhitespace(*mIter)) {
++mIter;
}
const mozilla::RangedPtr<const CharType> tokenEnd = mIter;
mWhitespaceAfterCurrentToken = false;
while (mIter < mEnd && IsWhitespace(*mIter)) {
mWhitespaceAfterCurrentToken = true;
++mIter;
}
return Substring(tokenStart.get(), tokenEnd.get());
}
private:
mozilla::RangedPtr<const CharType> mIter;
const mozilla::RangedPtr<const CharType> mEnd;
bool mWhitespaceBeforeFirstToken;
bool mWhitespaceAfterCurrentToken;
};
template<bool IsWhitespace(char16_t) = NS_IsAsciiWhitespace>
class nsWhitespaceTokenizerTemplate
: public nsTWhitespaceTokenizer<nsDependentSubstring, IsWhitespace>
{
public:
explicit nsWhitespaceTokenizerTemplate(const nsSubstring& aSource)
: nsTWhitespaceTokenizer<nsDependentSubstring, IsWhitespace>(aSource)
{
}
};
typedef nsWhitespaceTokenizerTemplate<> nsWhitespaceTokenizer;
template<bool IsWhitespace(char16_t) = NS_IsAsciiWhitespace>
class nsCWhitespaceTokenizerTemplate
: public nsTWhitespaceTokenizer<nsDependentCSubstring, IsWhitespace>
{
public:
explicit nsCWhitespaceTokenizerTemplate(const nsCSubstring& aSource)
: nsTWhitespaceTokenizer<nsDependentCSubstring, IsWhitespace>(aSource)
{
}
};
typedef nsCWhitespaceTokenizerTemplate<> nsCWhitespaceTokenizer;
#endif /* __nsWhitespaceTokenizer_h */
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