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.
553 lines
18 KiB
553 lines
18 KiB
/* /////////////////////////////////////////////////////////////////////////
|
|
* File: stlsoft/filesystem/searchspec_sequence.hpp
|
|
*
|
|
* Purpose: Contains the searchspec_sequence template class, and ANSI
|
|
* and Unicode specialisations thereof.
|
|
*
|
|
* Thanks to: Jon Papaioannou for spotting a character encoding error in
|
|
* one of the typedefs
|
|
*
|
|
* Created: 1st May 2004
|
|
* Updated: 10th August 2009
|
|
*
|
|
* Home: http://stlsoft.org/
|
|
*
|
|
* Copyright (c) 2004-2009, 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/filesystem/searchspec_sequence.hpp
|
|
*
|
|
* \brief [C++ only] Definition of the stlsoft::searchspec_sequence class
|
|
* template
|
|
* (\ref group__library__filesystem "File System" Library).
|
|
*/
|
|
|
|
#ifndef STLSOFT_INCL_STLSOFT_FILESYSTEM_HPP_SEARCHSPEC_SEQUENCE
|
|
#define STLSOFT_INCL_STLSOFT_FILESYSTEM_HPP_SEARCHSPEC_SEQUENCE
|
|
|
|
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
|
|
# define STLSOFT_VER_STLSOFT_FILESYSTEM_HPP_SEARCHSPEC_SEQUENCE_MAJOR 4
|
|
# define STLSOFT_VER_STLSOFT_FILESYSTEM_HPP_SEARCHSPEC_SEQUENCE_MINOR 1
|
|
# define STLSOFT_VER_STLSOFT_FILESYSTEM_HPP_SEARCHSPEC_SEQUENCE_REVISION 6
|
|
# define STLSOFT_VER_STLSOFT_FILESYSTEM_HPP_SEARCHSPEC_SEQUENCE_EDIT 59
|
|
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Compatibility
|
|
*/
|
|
|
|
/*
|
|
[Incompatibilies-start]
|
|
STLSOFT_COMPILER_IS_MSVC: _MSC_VER<1200
|
|
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_MSVC) && \
|
|
_MSC_VER < 1200
|
|
# error stlsoft/filesystem/searchspec_sequence.hpp is not compatible with Visual C++ 5.0 or earlier
|
|
#endif /* compiler */
|
|
|
|
#ifndef STLSOFT_INCL_STLSOFT_STRING_HPP_SIMPLE_STRING
|
|
# include <stlsoft/string/simple_string.hpp>
|
|
#endif /* !STLSOFT_INCL_STLSOFT_STRING_HPP_SIMPLE_STRING */
|
|
#ifndef STLSOFT_INCL_STLSOFT_STRING_HPP_STRING_TOKENISER
|
|
# include <stlsoft/string/string_tokeniser.hpp>
|
|
#endif /* !STLSOFT_INCL_STLSOFT_STRING_HPP_STRING_TOKENISER */
|
|
|
|
#ifndef STLSOFT_COMPILER_IS_WATCOM
|
|
# ifndef STLSOFT_INCL_STLSOFT_UTIL_STD_HPP_ITERATOR_HELPER
|
|
# include <stlsoft/util/std/iterator_helper.hpp>
|
|
# endif /* !STLSOFT_INCL_STLSOFT_UTIL_STD_HPP_ITERATOR_HELPER */
|
|
#endif /* compiler */
|
|
#ifndef STLSOFT_INCL_STLSOFT_COLLECTIONS_UTIL_HPP_COLLECTIONS
|
|
# include <stlsoft/collections/util/collections.hpp>
|
|
#endif /* !STLSOFT_INCL_STLSOFT_COLLECTIONS_UTIL_HPP_COLLECTIONS */
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Pre-processor
|
|
*
|
|
* Definition of the
|
|
*/
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Namespace
|
|
*/
|
|
|
|
#ifndef _STLSOFT_NO_NAMESPACE
|
|
namespace stlsoft
|
|
{
|
|
#endif /* _STLSOFT_NO_NAMESPACE */
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Functions
|
|
*/
|
|
|
|
template <ss_typename_param_k T>
|
|
inline void call_set_null(T *&pt, void (T::*F)())
|
|
{
|
|
STLSOFT_ASSERT(NULL != pt);
|
|
|
|
(pt->*F)();
|
|
|
|
pt = NULL;
|
|
}
|
|
|
|
/* /////////////////////////////////////////////////////////////////////////
|
|
* Classes
|
|
*/
|
|
|
|
/** \brief Provides multi-pattern functionality over a file-system search sequence class
|
|
*
|
|
* \ingroup group__library__filesystem
|
|
*/
|
|
template <ss_typename_param_k S>
|
|
class searchspec_sequence
|
|
: public stl_collection_tag
|
|
{
|
|
/// \name Member Types
|
|
/// @{
|
|
public:
|
|
/// The underlying find sequence type
|
|
typedef S find_sequence_type;
|
|
/// The current parameterisation of the type
|
|
typedef searchspec_sequence<S> class_type;
|
|
private:
|
|
typedef searchspec_sequence<S> outer_class_type;
|
|
typedef ss_typename_type_k find_sequence_type::traits_type traits_type;
|
|
public:
|
|
/// The character type
|
|
typedef ss_typename_type_k find_sequence_type::char_type char_type;
|
|
/// The value type
|
|
typedef ss_typename_type_k find_sequence_type::value_type value_type;
|
|
/// The size type
|
|
typedef ss_typename_type_k find_sequence_type::size_type size_type;
|
|
/// The non-mutable (const) reference type
|
|
typedef ss_typename_type_k find_sequence_type::const_reference const_reference;
|
|
/// The non-mutating (const) iterator type
|
|
class const_iterator;
|
|
private:
|
|
typedef basic_simple_string<char_type> string_type;
|
|
// TODO: Have all filesystem_traits that have a fixed length derive from a tag type, so that we can parameterise
|
|
// based on that. Then reinstate the string type discrimination based on the traits
|
|
// typedef basic_static_string<char_type, traits_type::maxPathLength> string_type;
|
|
typedef string_tokeniser<string_type, char_type> tokeniser_type;
|
|
/// @}
|
|
|
|
/// \name Construction
|
|
/// @{
|
|
public:
|
|
/// Creates a search sequence for the given search specification and delimiter
|
|
///
|
|
/// \param searchSpec The multi-filter search specification, e.g. "*.cpp", "*.d:makefile:*.java"
|
|
/// \param delimiter The delimiter to use, e.g. ':'
|
|
///
|
|
/// \note Assumes the current directory
|
|
searchspec_sequence(char_type const* searchSpec, char_type delimiter)
|
|
: m_rootDir(get_root_dir())
|
|
, m_searchSpec(searchSpec)
|
|
, m_delimiter(delimiter)
|
|
, m_flags(0)
|
|
{}
|
|
/// Creates a search sequence for the given search specification, delimiter and flags
|
|
///
|
|
/// \param searchSpec The multi-filter search specification, e.g. "*.cpp", "*.d:makefile:*.java"
|
|
/// \param delimiter The delimiter to use, e.g. ':'
|
|
/// \param flags Flags specific to the underlying sequence
|
|
///
|
|
/// \note Assumes the current directory
|
|
searchspec_sequence(char_type const* searchSpec, char_type delimiter, ss_int_t flags)
|
|
: m_rootDir(get_root_dir())
|
|
, m_searchSpec(searchSpec)
|
|
, m_delimiter(delimiter)
|
|
, m_flags(flags)
|
|
{}
|
|
/// Creates a search sequence for the given root directory, search specification and delimiter
|
|
///
|
|
/// \param rootDir The root directory of the search
|
|
/// \param searchSpec The multi-filter search specification, e.g. "*.cpp", "*.d:makefile:*.java"
|
|
/// \param delimiter The delimiter to use, e.g. ':'
|
|
searchspec_sequence(char_type const* rootDir, char_type const* searchSpec, char_type delimiter)
|
|
: m_rootDir(rootDir)
|
|
, m_searchSpec(searchSpec)
|
|
, m_delimiter(delimiter)
|
|
, m_flags(0)
|
|
{}
|
|
/// Creates a search sequence for the given root directory, search specification, delimiter and flags
|
|
///
|
|
/// \param rootDir The root directory of the search
|
|
/// \param searchSpec The multi-filter search specification, e.g. "*.cpp", "*.d:makefile:*.java"
|
|
/// \param delimiter The delimiter to use, e.g. ':'
|
|
/// \param flags Flags specific to the underlying sequence
|
|
searchspec_sequence(char_type const* rootDir, char_type const* searchSpec, char_type delimiter, ss_int_t flags)
|
|
: m_rootDir(rootDir)
|
|
, m_searchSpec(searchSpec)
|
|
, m_delimiter(delimiter)
|
|
, m_flags(flags)
|
|
{}
|
|
/// @}
|
|
|
|
/// \name Implementation
|
|
/// @{
|
|
private:
|
|
struct search_state
|
|
{
|
|
string_type m_rootDir;
|
|
ss_int_t m_flags;
|
|
tokeniser_type m_tokens;
|
|
ss_typename_type_k tokeniser_type::const_iterator m_tokensNext;
|
|
ss_typename_type_k tokeniser_type::const_iterator m_tokensEnd;
|
|
find_sequence_type *m_entries;
|
|
ss_typename_type_k find_sequence_type::const_iterator m_entriesNext;
|
|
ss_typename_type_k find_sequence_type::const_iterator m_entriesEnd;
|
|
ss_sint32_t m_cRefs;
|
|
|
|
private:
|
|
search_state(char_type const* rootDir, char_type const* searchSpec, char_type delimiter, ss_int_t flags)
|
|
: m_rootDir(rootDir)
|
|
, m_flags(flags)
|
|
, m_tokens(searchSpec, delimiter)
|
|
, m_tokensNext(m_tokens.begin())
|
|
, m_tokensEnd(m_tokens.end())
|
|
#if defined(STLSOFT_COMPILER_IS_VECTORC)
|
|
, m_entries(new find_sequence_type(m_rootDir.c_str(), (*m_tokensNext).c_str(), m_flags))
|
|
#else /* ? compiler */
|
|
, m_entries(new find_sequence_type(c_str_ptr(m_rootDir), c_str_ptr(*m_tokensNext), m_flags))
|
|
#endif /* compiler */
|
|
, m_entriesNext(m_entries->begin())
|
|
, m_entriesEnd(m_entries->end())
|
|
, m_cRefs(1)
|
|
{
|
|
while(m_entriesNext == m_entriesEnd)
|
|
{
|
|
++m_tokensNext;
|
|
|
|
if(m_tokensNext == m_tokensEnd)
|
|
{
|
|
break;
|
|
}
|
|
else
|
|
{
|
|
STLSOFT_ASSERT(NULL != m_entries);
|
|
|
|
stlsoft_destroy_instance_fn(m_entries);
|
|
#if defined(STLSOFT_COMPILER_IS_VECTORC)
|
|
m_entries = new(m_entries) find_sequence_type(m_rootDir.c_str(), (*m_tokensNext).c_str(), m_flags);
|
|
#else /* ? compiler */
|
|
m_entries = new(m_entries) find_sequence_type(c_str_ptr(m_rootDir), c_str_ptr(*m_tokensNext), m_flags);
|
|
#endif /* compiler */
|
|
|
|
m_entriesEnd = m_entries->end();
|
|
m_entriesNext = m_entries->begin();
|
|
}
|
|
}
|
|
}
|
|
|
|
#if defined(STLSOFT_COMPILER_IS_MSVC) && \
|
|
_MSC_VER < 1300
|
|
friend class const_iterator;
|
|
#endif /* compiler */
|
|
|
|
public:
|
|
static search_state *create(char_type const* rootDir, char_type const* searchSpec, char_type delimiter, ss_int_t flags)
|
|
{
|
|
search_state *ss = new search_state(rootDir, searchSpec, delimiter, flags);
|
|
|
|
if(ss->m_tokensNext == ss->m_tokensEnd)
|
|
{
|
|
delete ss;
|
|
|
|
ss = NULL;
|
|
}
|
|
|
|
return ss;
|
|
}
|
|
|
|
public:
|
|
bool next()
|
|
{
|
|
if(m_tokensNext == m_tokensEnd)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
STLSOFT_ASSERT(m_tokensNext != m_tokensEnd);
|
|
STLSOFT_ASSERT(NULL != m_entries || m_tokensNext == m_tokensEnd);
|
|
|
|
// We are doing two enumerations here.
|
|
//
|
|
// The outer enumeration is over the tokens, the
|
|
// inner is over the file entries.
|
|
|
|
++m_entriesNext;
|
|
|
|
while(m_entriesNext == m_entriesEnd)
|
|
{
|
|
++m_tokensNext;
|
|
|
|
if(m_tokensNext == m_tokensEnd)
|
|
{
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
STLSOFT_ASSERT(NULL != m_entries);
|
|
|
|
stlsoft_destroy_instance_fn(m_entries);
|
|
#if defined(STLSOFT_COMPILER_IS_VECTORC)
|
|
m_entries = new(m_entries) find_sequence_type(m_rootDir.c_str(), (*m_tokensNext).c_str(), m_flags);
|
|
#else /* ? compiler */
|
|
m_entries = new(m_entries) find_sequence_type(c_str_ptr(m_rootDir), c_str_ptr(*m_tokensNext), m_flags);
|
|
#endif /* compiler */
|
|
|
|
m_entriesEnd = m_entries->end();
|
|
m_entriesNext = m_entries->begin();
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void Release()
|
|
{
|
|
if(0 == --m_cRefs)
|
|
{
|
|
delete this;
|
|
}
|
|
}
|
|
#if defined(STLSOFT_CF_COMPILER_WARNS_NO_PUBLIC_DTOR)
|
|
protected:
|
|
#else /* ? STLSOFT_CF_COMPILER_WARNS_NO_PUBLIC_DTOR */
|
|
private:
|
|
#endif /* STLSOFT_CF_COMPILER_WARNS_NO_PUBLIC_DTOR */
|
|
~search_state() stlsoft_throw_0()
|
|
{
|
|
delete m_entries;
|
|
}
|
|
};
|
|
/// @}
|
|
|
|
/// \name Iteration
|
|
/// @{
|
|
public:
|
|
/// The const_iterator type for the searchspec_sequence
|
|
class const_iterator
|
|
{
|
|
private:
|
|
typedef const_iterator class_type;
|
|
|
|
private:
|
|
friend class searchspec_sequence<S>;
|
|
|
|
const_iterator(char_type const* rootDir, char_type const* searchSpec, char_type delimiter, ss_int_t flags)
|
|
: m_searchState(search_state::create(rootDir, searchSpec, delimiter, flags))
|
|
{}
|
|
|
|
public:
|
|
/// Default constructor
|
|
const_iterator()
|
|
: m_searchState(NULL)
|
|
{}
|
|
/// Destructor
|
|
~const_iterator() stlsoft_throw_0()
|
|
{
|
|
if(NULL != m_searchState)
|
|
{
|
|
m_searchState->Release();
|
|
}
|
|
}
|
|
|
|
/// Copy constructor
|
|
const_iterator(class_type const& rhs)
|
|
: m_searchState(rhs.m_searchState)
|
|
{
|
|
if(NULL != m_searchState)
|
|
{
|
|
++m_searchState->m_cRefs;
|
|
}
|
|
}
|
|
|
|
class_type& operator =(class_type const& rhs)
|
|
{
|
|
if(NULL != m_searchState)
|
|
{
|
|
m_searchState->Release();
|
|
}
|
|
|
|
m_searchState = rhs.m_searchState;
|
|
|
|
if(NULL != m_searchState)
|
|
{
|
|
++m_searchState->m_cRefs;
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
public:
|
|
class_type& operator ++()
|
|
{
|
|
STLSOFT_ASSERT(NULL != m_searchState);
|
|
|
|
if(!m_searchState->next())
|
|
{
|
|
#if defined(STLSOFT_COMPILER_IS_MSVC) && \
|
|
_MSC_VER < 1300
|
|
m_searchState->Release();
|
|
|
|
m_searchState = NULL;
|
|
#else /* ? compiler */
|
|
call_set_null(m_searchState, &search_state::Release);
|
|
#endif /* compiler */
|
|
}
|
|
|
|
return *this;
|
|
}
|
|
|
|
class_type operator ++(int)
|
|
{
|
|
class_type ret(*this);
|
|
|
|
operator ++();
|
|
|
|
return ret;
|
|
}
|
|
|
|
/// Dereference to return the value at the current position
|
|
const value_type operator *() const
|
|
{
|
|
STLSOFT_ASSERT(NULL != m_searchState);
|
|
|
|
return *m_searchState->m_entriesNext;
|
|
}
|
|
|
|
ss_bool_t operator ==(class_type const& rhs) const
|
|
{
|
|
// Only evaluate the same when both are at their ends
|
|
return (NULL == m_searchState) && (NULL == rhs.m_searchState);
|
|
}
|
|
ss_bool_t operator !=(class_type const& rhs) const
|
|
{
|
|
return !operator ==(rhs);
|
|
}
|
|
|
|
private:
|
|
search_state *m_searchState;
|
|
};
|
|
/// @}
|
|
|
|
/// \name Iteration
|
|
/// @{
|
|
public:
|
|
/// Begins the iteration
|
|
///
|
|
/// \return An iterator representing the start of the sequence
|
|
const_iterator begin() const
|
|
{
|
|
#if defined(STLSOFT_COMPILER_IS_VECTORC)
|
|
return const_iterator(m_rootDir.c_str(), (m_searchSpec).c_str(), m_delimiter, m_flags);
|
|
#else /* ? compiler */
|
|
return const_iterator(c_str_ptr(m_rootDir), c_str_ptr(m_searchSpec), m_delimiter, m_flags);
|
|
#endif /* compiler */
|
|
}
|
|
/// Ends the iteration
|
|
///
|
|
/// \return An iterator representing the end of the sequence
|
|
const_iterator end() const
|
|
{
|
|
return const_iterator();
|
|
}
|
|
/// @}
|
|
|
|
/// \name Attributes
|
|
/// @{
|
|
public:
|
|
/// \brief Indicates whether the sequence is empty
|
|
ss_bool_t empty() const
|
|
{
|
|
return begin() == end();
|
|
}
|
|
/// @}
|
|
|
|
/// \name Implementation
|
|
/// @{
|
|
private:
|
|
static char_type const* get_root_dir()
|
|
{
|
|
static char_type s_rootDir[2] = { '.', '\0' };
|
|
|
|
return s_rootDir;
|
|
}
|
|
/// @}
|
|
|
|
/// \name Members
|
|
/// @{
|
|
private:
|
|
string_type m_rootDir;
|
|
string_type m_searchSpec;
|
|
char_type m_delimiter;
|
|
ss_int_t m_flags;
|
|
/// @}
|
|
};
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// Unit-testing
|
|
|
|
#ifdef STLSOFT_UNITTEST
|
|
# include "./unittest/searchspec_sequence_unittest_.h"
|
|
#endif /* STLSOFT_UNITTEST */
|
|
|
|
////////////////////////////////////////////////////////////////////////////
|
|
// Implementation
|
|
|
|
#ifndef STLSOFT_DOCUMENTATION_SKIP_SECTION
|
|
|
|
|
|
#endif /* !STLSOFT_DOCUMENTATION_SKIP_SECTION */
|
|
|
|
/* ////////////////////////////////////////////////////////////////////// */
|
|
|
|
#ifndef _STLSOFT_NO_NAMESPACE
|
|
} // namespace stlsoft
|
|
#endif /* _STLSOFT_NO_NAMESPACE */
|
|
|
|
/* ////////////////////////////////////////////////////////////////////// */
|
|
|
|
#endif /* !STLSOFT_INCL_STLSOFT_FILESYSTEM_HPP_SEARCHSPEC_SEQUENCE */
|
|
|
|
/* ///////////////////////////// end of file //////////////////////////// */
|