You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 

543 lines
16 KiB

/* /////////////////////////////////////////////////////////////////////////
* File: stlsoft/string/split_functions.hpp
*
* Purpose: String split functions.
*
* Created: 28th January 2005
* Updated: 26th June 2012
*
* Home: http://stlsoft.org/
*
* Copyright (c) 2005-2012, Matthew Wilson and Synesis Software
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - Neither the name(s) of Matthew Wilson and Synesis Software nor the names of
* any contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* ////////////////////////////////////////////////////////////////////// */
/** \file stlsoft/string/split_functions.hpp
*
* \brief [C++ only] String split functions
* (\ref group__library__string "String" Library).
*/
#ifndef STLSOFT_INCL_STLSOFT_STRING_HPP_SPLIT_FUNCTIONS
#define STLSOFT_INCL_STLSOFT_STRING_HPP_SPLIT_FUNCTIONS
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
# define STLSOFT_VER_INCL_STLSOFT_STRING_HPP_SPLIT_FUNCTIONS_MAJOR 2
# define STLSOFT_VER_INCL_STLSOFT_STRING_HPP_SPLIT_FUNCTIONS_MINOR 3
# define STLSOFT_VER_INCL_STLSOFT_STRING_HPP_SPLIT_FUNCTIONS_REVISION 2
# define STLSOFT_VER_INCL_STLSOFT_STRING_HPP_SPLIT_FUNCTIONS_EDIT 42
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
/* /////////////////////////////////////////////////////////////////////////
* Compatibility
*/
/*
[Incompatibilies-start]
STLSOFT_COMPILER_IS_BORLAND: __BORLANDC__<0x0564
STLSOFT_COMPILER_IS_DMC: __DMC__<0x0844
STLSOFT_COMPILER_IS_GCC: __GNUC__<3
STLSOFT_COMPILER_IS_WATCOM:
[Incompatibilies-end]
*/
/* /////////////////////////////////////////////////////////////////////////
* Includes
*/
#ifndef STLSOFT_INCL_STLSOFT_H_STLSOFT
# include <stlsoft/stlsoft.h>
#endif /* !STLSOFT_INCL_STLSOFT_H_STLSOFT */
#if ( defined(STLSOFT_COMPILER_IS_BORLAND) && \
__BORLANDC__ < 0x0560) || \
( defined(STLSOFT_COMPILER_IS_DMC) && \
__DMC__ < 0x0844) || \
( defined(STLSOFT_COMPILER_IS_GCC) && \
__GNUC__ < 3) || \
( defined(STLSOFT_COMPILER_IS_MSVC) && \
_MSC_VER < 1200) || \
defined(STLSOFT_COMPILER_IS_SUNPRO)
# define STLSOFT_STRING_SPLIT_FUNCTIONS_CANNOT_USE_STATIC_ARRAY
#endif /* compiler */
#ifndef STLSOFT_INCL_STLSOFT_SHIMS_ACCESS_HPP_STRING
# include <stlsoft/shims/access/string.hpp>
#endif /* !STLSOFT_INCL_STLSOFT_SHIMS_ACCESS_HPP_STRING */
#ifndef STLSOFT_STRING_SPLIT_FUNCTIONS_CANNOT_USE_STATIC_ARRAY
# ifndef STLSOFT_INCL_STLSOFT_CONTAINERS_HPP_STATIC_ARRAY
# include <stlsoft/containers/static_array.hpp>
# endif /* !STLSOFT_INCL_STLSOFT_CONTAINERS_HPP_STATIC_ARRAY */
#else /* ? STLSOFT_STRING_SPLIT_FUNCTIONS_CANNOT_USE_STATIC_ARRAY */
# include <vector>
#endif /* STLSOFT_STRING_SPLIT_FUNCTIONS_CANNOT_USE_STATIC_ARRAY */
#ifndef STLSOFT_INCL_ALGORITHM
# define STLSOFT_INCL_ALGORITHM
# include <algorithm>
#endif /* !STLSOFT_INCL_ALGORITHM */
#ifdef STLSOFT_UNITTEST
# include <stlsoft/string/simple_string.hpp>
#endif /* STLSOFT_UNITTEST */
/* /////////////////////////////////////////////////////////////////////////
* Namespace
*/
#ifndef _STLSOFT_NO_NAMESPACE
namespace stlsoft
{
#endif /* _STLSOFT_NO_NAMESPACE */
/* /////////////////////////////////////////////////////////////////////////
* Helper functions
*/
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
STLSOFT_OPEN_WORKER_NS_(ximpl_split_functions)
template< ss_typename_param_k S
, ss_typename_param_k C /* = ss_typename_type_def_k S::value_type */
>
inline ss_bool_t split_impl(C const* s, ss_size_t n, C delim, S& s0, S& s1)
{
C const* const b = s;
C const* const e = s + n;
C const* it = stlsoft_ns_qual_std(find)(b, e, delim);
s0 = S(b, it);
return (e == it) ? false : (++it, s1 = S(it, e), true);
}
template< ss_typename_param_k S
, ss_typename_param_k C /* = ss_typename_type_def_k S::value_type */
>
inline ss_uint_t split_impl(C const* s, ss_size_t cch, C delim, S& s0, S& s1, S& s2)
{
C const* const b = s;
C const* const e = s + cch;
C const* it0 = b;
C const* it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
ss_uint_t n = it1 != it0;
s0 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
}
else
{
it0 = it1;
}
s1 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = e;
}
else
{
it0 = it1;
}
s2 = S(it0, it1);
return n;
}
template< ss_typename_param_k S
, ss_typename_param_k C /* = ss_typename_type_def_k S::value_type */
>
inline ss_uint_t split_impl(C const* s, ss_size_t cch, C delim, S& s0, S& s1, S& s2, S& s3)
{
C const* const b = s;
C const* const e = s + cch;
C const* it0 = b;
C const* it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
ss_uint_t n = it1 != it0;
s0 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
}
else
{
it0 = it1;
}
s1 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
}
else
{
it0 = it1;
}
s2 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = e;
}
else
{
it0 = it1;
}
s3 = S(it0, it1);
return n;
}
template< ss_typename_param_k S
, ss_typename_param_k C /* = ss_typename_type_def_k S::value_type */
>
inline ss_uint_t split_impl(C const* s, ss_size_t cch, C delim, S& s0, S& s1, S& s2, S& s3, S& s4)
{
C const* const b = s;
C const* const e = s + cch;
C const* it0 = b;
C const* it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
ss_uint_t n = it1 != it0;
s0 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
}
else
{
it0 = it1;
}
s1 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
}
else
{
it0 = it1;
}
s2 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
}
else
{
it0 = it1;
}
s3 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = e;
}
else
{
it0 = it1;
}
s4 = S(it0, it1);
return n;
}
template< ss_typename_param_k S
, ss_typename_param_k C /* = ss_typename_type_def_k S::value_type */
>
inline ss_uint_t split_impl(C const* s, ss_size_t cch, C delim, S& s0, S& s1, S& s2, S& s3, S& s4, S& s5)
{
C const* const b = s;
C const* const e = s + cch;
C const* it0 = b;
C const* it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
ss_uint_t n = it1 != it0;
s0 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
}
else
{
it0 = it1;
}
s1 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
}
else
{
it0 = it1;
}
s2 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
}
else
{
it0 = it1;
}
s3 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = stlsoft_ns_qual_std(find)(it0, e, delim);
}
else
{
it0 = it1;
}
s4 = S(it0, it1);
if(e != it1)
{
++n;
it0 = ++it1;
it1 = e;
}
else
{
it0 = it1;
}
s5 = S(it0, it1);
return n;
}
STLSOFT_CLOSE_WORKER_NS_(ximpl_split_functions)
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
/* /////////////////////////////////////////////////////////////////////////
* Functions
*/
/** Splits a string into two, at the first incidence of a delimiter
*
* \ingroup group__library__string
*
* \warn The behaviour is undefined if the string instance being split is
* passed as one or both recipients
*/
template< ss_typename_param_k S1
, ss_typename_param_k S2
, ss_typename_param_k C /* = ss_typename_type_def_k S2::value_type */
>
inline ss_bool_t split(S1 const& s, C delim, S2& s0, S2& s1)
{
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s0));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s1));
return STLSOFT_WORKER_NS_QUAL_(ximpl_split_functions, split_impl)(c_str_data(s), c_str_len(s), delim, s0, s1);
}
/** Splits a string into three, at first two incidences of a delimiter
*
* \ingroup group__library__string
*
* \warn The behaviour is undefined if the string instance being split is
* passed as one or both recipients
*/
template< ss_typename_param_k S1
, ss_typename_param_k S2
, ss_typename_param_k C /* = ss_typename_type_def_k S2::value_type */
>
inline ss_uint_t split(S1 const& s, C delim, S2& s0, S2& s1, S2& s2)
{
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s0));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s1));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s2));
return STLSOFT_WORKER_NS_QUAL_(ximpl_split_functions, split_impl)(c_str_data(s), c_str_len(s), delim, s0, s1, s2);
}
/** Splits a string into four, at first three incidences of a delimiter
*
* \ingroup group__library__string
*
* \warn The behaviour is undefined if the string instance being split is
* passed as one or both recipients
*/
template< ss_typename_param_k S1
, ss_typename_param_k S2
, ss_typename_param_k C /* = ss_typename_type_def_k S2::value_type */
>
inline ss_uint_t split(S1 const& s, C delim, S2& s0, S2& s1, S2& s2, S2& s3)
{
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s0));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s1));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s2));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s3));
return STLSOFT_WORKER_NS_QUAL_(ximpl_split_functions, split_impl)(c_str_data(s), c_str_len(s), delim, s0, s1, s2, s3);
}
/** Splits a string into five, at first four incidences of a delimiter
*
* \ingroup group__library__string
*
* \warn The behaviour is undefined if the string instance being split is
* passed as one or both recipients
*/
template< ss_typename_param_k S1
, ss_typename_param_k S2
, ss_typename_param_k C /* = ss_typename_type_def_k S2::value_type */
>
inline ss_uint_t split(S1 const& s, C delim, S2& s0, S2& s1, S2& s2, S2& s3, S2& s4)
{
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s0));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s1));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s2));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s3));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s4));
return STLSOFT_WORKER_NS_QUAL_(ximpl_split_functions, split_impl)(c_str_data(s), c_str_len(s), delim, s0, s1, s2, s3, s4);
}
/** Splits a string into six, at first five incidences of a delimiter
*
* \ingroup group__library__string
*
* \warn The behaviour is undefined if the string instance being split is
* passed as one or both recipients
*/
template< ss_typename_param_k S1
, ss_typename_param_k S2
, ss_typename_param_k C /* = ss_typename_type_def_k S2::value_type */
>
inline ss_uint_t split(S1 const& s, C delim, S2& s0, S2& s1, S2& s2, S2& s3, S2& s4, S2& s5)
{
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s0));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s1));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s2));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s3));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s4));
STLSOFT_MESSAGE_ASSERT("Source string specified as recipient!", static_cast<void const*>(&s) != static_cast<void const*>(&s5));
return STLSOFT_WORKER_NS_QUAL_(ximpl_split_functions, split_impl)(c_str_data(s), c_str_len(s), delim, s0, s1, s2, s3, s4, s5);
}
/** Splits a string into two, at the first incidence of a delimiter
*
* \ingroup group__library__string
*
*/
template< ss_typename_param_k S
, ss_typename_param_k C /* = ss_typename_type_def_k S::value_type */
>
#ifndef STLSOFT_STRING_SPLIT_FUNCTIONS_CANNOT_USE_STATIC_ARRAY
inline static_array_1d<S, 2>
#else /* ? STLSOFT_STRING_SPLIT_FUNCTIONS_CANNOT_USE_STATIC_ARRAY */
inline stlsoft_ns_qual_std_(vector)<S>
#endif /* STLSOFT_STRING_SPLIT_FUNCTIONS_CANNOT_USE_STATIC_ARRAY */
split(S const& s, C delim)
{
#ifndef STLSOFT_STRING_SPLIT_FUNCTIONS_CANNOT_USE_STATIC_ARRAY
static_array_1d<S, 2> r;
#else /* ? STLSOFT_STRING_SPLIT_FUNCTIONS_CANNOT_USE_STATIC_ARRAY */
stlsoft_ns_qual_std_(vector)<S> r(2);
#endif /* STLSOFT_STRING_SPLIT_FUNCTIONS_CANNOT_USE_STATIC_ARRAY */
STLSOFT_WORKER_NS_QUAL_(ximpl_split_functions, split_impl)(c_str_data(s), c_str_len(s), delim, r[0], r[1]);
return r;
}
////////////////////////////////////////////////////////////////////////////
// Unit-testing
#ifdef STLSOFT_UNITTEST
# include "./unittest/split_functions_unittest_.h"
#endif /* STLSOFT_UNITTEST */
/* ////////////////////////////////////////////////////////////////////// */
#ifndef _STLSOFT_NO_NAMESPACE
} // namespace stlsoft
#endif /* _STLSOFT_NO_NAMESPACE */
/* ////////////////////////////////////////////////////////////////////// */
#endif /* !STLSOFT_INCL_STLSOFT_STRING_HPP_SPLIT_FUNCTIONS */
/* ///////////////////////////// end of file //////////////////////////// */