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3fbff6e620
* Replace custom types with C++11 <cstdint> types * Fix sqlite integer intos and uses * Fix String implicit integer constructors * Escape the enclosing namespace in sqdb * Replace contract checks with assert * Make many header files compile independently * Remove the dependence on beast_core.h in many places * Remove unused or obsolete classes and functions * Remove unused or obsolete macros * Remove unused network functions and files * Remove unused or obsolete classes: - ChildProcess - HighResolutionTimer - InterProcessLock - Throw - TrackedMutex - UntrackedMutex - XmlDocument - XmlElement
90 lines
2.4 KiB
C++
90 lines
2.4 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef BEAST_NET_DETAIL_PARSE_H_INCLUDED
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#define BEAST_NET_DETAIL_PARSE_H_INCLUDED
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#include <ios>
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#include <string>
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namespace beast {
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namespace IP {
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namespace detail {
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/** Require and consume the specified character from the input.
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@return `true` if the character matched.
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*/
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template <typename InputStream>
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bool expect (InputStream& is, char v)
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{
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char c;
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if (is.get(c) && v == c)
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return true;
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is.unget();
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is.setstate (std::ios_base::failbit);
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return false;
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}
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/** Used to disambiguate 8-bit integers from characters. */
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template <typename IntType>
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struct integer_holder
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{
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IntType* pi;
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explicit integer_holder (IntType& i)
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: pi (&i)
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{
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}
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template <typename OtherIntType>
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IntType& operator= (OtherIntType o) const
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{
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*pi = o;
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return *pi;
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}
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};
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/** Parse 8-bit unsigned integer. */
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template <typename InputStream>
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InputStream& operator>> (InputStream& is, integer_holder <std::uint8_t> const& i)
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{
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std::uint16_t v;
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is >> v;
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if (! (v>=0 && v<=255))
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{
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is.setstate (std::ios_base::failbit);
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return is;
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}
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i = std::uint8_t(v);
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return is;
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}
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/** Free function for template argument deduction. */
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template <typename IntType>
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integer_holder <IntType> integer (IntType& i)
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{
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return integer_holder <IntType> (i);
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}
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}
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}
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}
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#endif
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