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Do not use of boost::tokenizer

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It is easier to use instead getVectorFromString for the use we have of this tokenizer. The two places are environment.cpp (path stuff) and qt_helpers (file fileters). The new code is much shorter.

This allow to remove boost/tokenizer.hpp and friends from our boost tree.
This commit is contained in:
Jean-Marc Lasgouttes 2016-05-19 15:28:39 +02:00 committed by Richard Heck
parent 87d4ce0ff7
commit 68a1f9a44e
6 changed files with 9 additions and 911 deletions
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651
3rdparty/boost/boost/token_functions.hpp vendored
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@ -1,651 +0,0 @@
// Boost token_functions.hpp ------------------------------------------------//
// Copyright John R. Bandela 2001.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/tokenizer/ for documentation.
// Revision History:
// 01 Oct 2004 Joaquin M Lopez Munoz
// Workaround for a problem with string::assign in msvc-stlport
// 06 Apr 2004 John Bandela
// Fixed a bug involving using char_delimiter with a true input iterator
// 28 Nov 2003 Robert Zeh and John Bandela
// Converted into "fast" functions that avoid using += when
// the supplied iterator isn't an input_iterator; based on
// some work done at Archelon and a version that was checked into
// the boost CVS for a short period of time.
// 20 Feb 2002 John Maddock
// Removed using namespace std declarations and added
// workaround for BOOST_NO_STDC_NAMESPACE (the library
// can be safely mixed with regex).
// 06 Feb 2002 Jeremy Siek
// Added char_separator.
// 02 Feb 2002 Jeremy Siek
// Removed tabs and a little cleanup.
#ifndef BOOST_TOKEN_FUNCTIONS_JRB120303_HPP_
#define BOOST_TOKEN_FUNCTIONS_JRB120303_HPP_
#include <vector>
#include <stdexcept>
#include <string>
#include <cctype>
#include <algorithm> // for find_if
#include <boost/config.hpp>
#include <boost/assert.hpp>
#include <boost/detail/workaround.hpp>
#include <boost/mpl/if.hpp>
#include <boost/throw_exception.hpp>
#if !defined(BOOST_NO_CWCTYPE)
#include <cwctype>
#endif
//
// the following must not be macros if we are to prefix them
// with std:: (they shouldn't be macros anyway...)
//
#ifdef ispunct
# undef ispunct
#endif
#ifdef iswpunct
# undef iswpunct
#endif
#ifdef isspace
# undef isspace
#endif
#ifdef iswspace
# undef iswspace
#endif
//
// fix namespace problems:
//
#ifdef BOOST_NO_STDC_NAMESPACE
namespace std{
using ::ispunct;
using ::isspace;
#if !defined(BOOST_NO_CWCTYPE)
using ::iswpunct;
using ::iswspace;
#endif
}
#endif
namespace boost{
//===========================================================================
// The escaped_list_separator class. Which is a model of TokenizerFunction
// An escaped list is a super-set of what is commonly known as a comma
// separated value (csv) list.It is separated into fields by a comma or
// other character. If the delimiting character is inside quotes, then it is
// counted as a regular character.To allow for embedded quotes in a field,
// there can be escape sequences using the \ much like C.
// The role of the comma, the quotation mark, and the escape
// character (backslash \), can be assigned to other characters.
struct escaped_list_error : public std::runtime_error{
escaped_list_error(const std::string& what_arg):std::runtime_error(what_arg) { }
};
// The out of the box GCC 2.95 on cygwin does not have a char_traits class.
// MSVC does not like the following typename
template <class Char,
class Traits = BOOST_DEDUCED_TYPENAME std::basic_string<Char>::traits_type >
class escaped_list_separator {
private:
typedef std::basic_string<Char,Traits> string_type;
struct char_eq {
Char e_;
char_eq(Char e):e_(e) { }
bool operator()(Char c) {
return Traits::eq(e_,c);
}
};
string_type escape_;
string_type c_;
string_type quote_;
bool last_;
bool is_escape(Char e) {
char_eq f(e);
return std::find_if(escape_.begin(),escape_.end(),f)!=escape_.end();
}
bool is_c(Char e) {
char_eq f(e);
return std::find_if(c_.begin(),c_.end(),f)!=c_.end();
}
bool is_quote(Char e) {
char_eq f(e);
return std::find_if(quote_.begin(),quote_.end(),f)!=quote_.end();
}
template <typename iterator, typename Token>
void do_escape(iterator& next,iterator end,Token& tok) {
if (++next == end)
BOOST_THROW_EXCEPTION(escaped_list_error(std::string("cannot end with escape")));
if (Traits::eq(*next,'n')) {
tok+='\n';
return;
}
else if (is_quote(*next)) {
tok+=*next;
return;
}
else if (is_c(*next)) {
tok+=*next;
return;
}
else if (is_escape(*next)) {
tok+=*next;
return;
}
else
BOOST_THROW_EXCEPTION(escaped_list_error(std::string("unknown escape sequence")));
}
public:
explicit escaped_list_separator(Char e = '\\',
Char c = ',',Char q = '\"')
: escape_(1,e), c_(1,c), quote_(1,q), last_(false) { }
escaped_list_separator(string_type e, string_type c, string_type q)
: escape_(e), c_(c), quote_(q), last_(false) { }
void reset() {last_=false;}
template <typename InputIterator, typename Token>
bool operator()(InputIterator& next,InputIterator end,Token& tok) {
bool bInQuote = false;
tok = Token();
if (next == end) {
if (last_) {
last_ = false;
return true;
}
else
return false;
}
last_ = false;
for (;next != end;++next) {
if (is_escape(*next)) {
do_escape(next,end,tok);
}
else if (is_c(*next)) {
if (!bInQuote) {
// If we are not in quote, then we are done
++next;
// The last character was a c, that means there is
// 1 more blank field
last_ = true;
return true;
}
else tok+=*next;
}
else if (is_quote(*next)) {
bInQuote=!bInQuote;
}
else {
tok += *next;
}
}
return true;
}
};
//===========================================================================
// The classes here are used by offset_separator and char_separator to implement
// faster assigning of tokens using assign instead of +=
namespace tokenizer_detail {
//===========================================================================
// Tokenizer was broken for wide character separators, at least on Windows, since
// CRT functions isspace etc only expect values in [0, 0xFF]. Debug build asserts
// if higher values are passed in. The traits extension class should take care of this.
// Assuming that the conditional will always get optimized out in the function
// implementations, argument types are not a problem since both forms of character classifiers
// expect an int.
#if !defined(BOOST_NO_CWCTYPE)
template<typename traits, int N>
struct traits_extension_details : public traits {
typedef typename traits::char_type char_type;
static bool isspace(char_type c)
{
return std::iswspace(c) != 0;
}
static bool ispunct(char_type c)
{
return std::iswpunct(c) != 0;
}
};
template<typename traits>
struct traits_extension_details<traits, 1> : public traits {
typedef typename traits::char_type char_type;
static bool isspace(char_type c)
{
return std::isspace(c) != 0;
}
static bool ispunct(char_type c)
{
return std::ispunct(c) != 0;
}
};
#endif
// In case there is no cwctype header, we implement the checks manually.
// We make use of the fact that the tested categories should fit in ASCII.
template<typename traits>
struct traits_extension : public traits {
typedef typename traits::char_type char_type;
static bool isspace(char_type c)
{
#if !defined(BOOST_NO_CWCTYPE)
return traits_extension_details<traits, sizeof(char_type)>::isspace(c);
#else
return static_cast< unsigned >(c) <= 255 && std::isspace(c) != 0;
#endif
}
static bool ispunct(char_type c)
{
#if !defined(BOOST_NO_CWCTYPE)
return traits_extension_details<traits, sizeof(char_type)>::ispunct(c);
#else
return static_cast< unsigned >(c) <= 255 && std::ispunct(c) != 0;
#endif
}
};
// The assign_or_plus_equal struct contains functions that implement
// assign, +=, and clearing based on the iterator type. The
// generic case does nothing for plus_equal and clearing, while
// passing through the call for assign.
//
// When an input iterator is being used, the situation is reversed.
// The assign method does nothing, plus_equal invokes operator +=,
// and the clearing method sets the supplied token to the default
// token constructor's result.
//
template<class IteratorTag>
struct assign_or_plus_equal {
template<class Iterator, class Token>
static void assign(Iterator b, Iterator e, Token &t) {
t.assign(b, e);
}
template<class Token, class Value>
static void plus_equal(Token &, const Value &) { }
// If we are doing an assign, there is no need for the
// the clear.
//
template<class Token>
static void clear(Token &) { }
};
template <>
struct assign_or_plus_equal<std::input_iterator_tag> {
template<class Iterator, class Token>
static void assign(Iterator , Iterator , Token &) { }
template<class Token, class Value>
static void plus_equal(Token &t, const Value &v) {
t += v;
}
template<class Token>
static void clear(Token &t) {
t = Token();
}
};
template<class Iterator>
struct pointer_iterator_category{
typedef std::random_access_iterator_tag type;
};
template<class Iterator>
struct class_iterator_category{
typedef typename Iterator::iterator_category type;
};
// This portably gets the iterator_tag without partial template specialization
template<class Iterator>
struct get_iterator_category{
typedef typename mpl::if_<is_pointer<Iterator>,
pointer_iterator_category<Iterator>,
class_iterator_category<Iterator>
>::type cat;
typedef typename cat::type iterator_category;
};
} // namespace tokenizer_detail
//===========================================================================
// The offset_separator class, which is a model of TokenizerFunction.
// Offset breaks a string into tokens based on a range of offsets
class offset_separator {
private:
std::vector<int> offsets_;
unsigned int current_offset_;
bool wrap_offsets_;
bool return_partial_last_;
public:
template <typename Iter>
offset_separator(Iter begin, Iter end, bool wrap_offsets = true,
bool return_partial_last = true)
: offsets_(begin,end), current_offset_(0),
wrap_offsets_(wrap_offsets),
return_partial_last_(return_partial_last) { }
offset_separator()
: offsets_(1,1), current_offset_(),
wrap_offsets_(true), return_partial_last_(true) { }
void reset() {
current_offset_ = 0;
}
template <typename InputIterator, typename Token>
bool operator()(InputIterator& next, InputIterator end, Token& tok)
{
typedef tokenizer_detail::assign_or_plus_equal<
BOOST_DEDUCED_TYPENAME tokenizer_detail::get_iterator_category<
InputIterator
>::iterator_category
> assigner;
BOOST_ASSERT(!offsets_.empty());
assigner::clear(tok);
InputIterator start(next);
if (next == end)
return false;
if (current_offset_ == offsets_.size())
{
if (wrap_offsets_)
current_offset_=0;
else
return false;
}
int c = offsets_[current_offset_];
int i = 0;
for (; i < c; ++i) {
if (next == end)break;
assigner::plus_equal(tok,*next++);
}
assigner::assign(start,next,tok);
if (!return_partial_last_)
if (i < (c-1) )
return false;
++current_offset_;
return true;
}
};
//===========================================================================
// The char_separator class breaks a sequence of characters into
// tokens based on the character delimiters (very much like bad old
// strtok). A delimiter character can either be kept or dropped. A
// kept delimiter shows up as an output token, whereas a dropped
// delimiter does not.
// This class replaces the char_delimiters_separator class. The
// constructor for the char_delimiters_separator class was too
// confusing and needed to be deprecated. However, because of the
// default arguments to the constructor, adding the new constructor
// would cause ambiguity, so instead I deprecated the whole class.
// The implementation of the class was also simplified considerably.
enum empty_token_policy { drop_empty_tokens, keep_empty_tokens };
// The out of the box GCC 2.95 on cygwin does not have a char_traits class.
template <typename Char,
typename Tr = BOOST_DEDUCED_TYPENAME std::basic_string<Char>::traits_type >
class char_separator
{
typedef tokenizer_detail::traits_extension<Tr> Traits;
typedef std::basic_string<Char,Tr> string_type;
public:
explicit
char_separator(const Char* dropped_delims,
const Char* kept_delims = 0,
empty_token_policy empty_tokens = drop_empty_tokens)
: m_dropped_delims(dropped_delims),
m_use_ispunct(false),
m_use_isspace(false),
m_empty_tokens(empty_tokens),
m_output_done(false)
{
// Borland workaround
if (kept_delims)
m_kept_delims = kept_delims;
}
// use ispunct() for kept delimiters and isspace for dropped.
explicit
char_separator()
: m_use_ispunct(true),
m_use_isspace(true),
m_empty_tokens(drop_empty_tokens) { }
void reset() { }
template <typename InputIterator, typename Token>
bool operator()(InputIterator& next, InputIterator end, Token& tok)
{
typedef tokenizer_detail::assign_or_plus_equal<
BOOST_DEDUCED_TYPENAME tokenizer_detail::get_iterator_category<
InputIterator
>::iterator_category
> assigner;
assigner::clear(tok);
// skip past all dropped_delims
if (m_empty_tokens == drop_empty_tokens)
for (; next != end && is_dropped(*next); ++next)
{ }
InputIterator start(next);
if (m_empty_tokens == drop_empty_tokens) {
if (next == end)
return false;
// if we are on a kept_delims move past it and stop
if (is_kept(*next)) {
assigner::plus_equal(tok,*next);
++next;
} else
// append all the non delim characters
for (; next != end && !is_dropped(*next) && !is_kept(*next); ++next)
assigner::plus_equal(tok,*next);
}
else { // m_empty_tokens == keep_empty_tokens
// Handle empty token at the end
if (next == end)
{
if (m_output_done == false)
{
m_output_done = true;
assigner::assign(start,next,tok);
return true;
}
else
return false;
}
if (is_kept(*next)) {
if (m_output_done == false)
m_output_done = true;
else {
assigner::plus_equal(tok,*next);
++next;
m_output_done = false;
}
}
else if (m_output_done == false && is_dropped(*next)) {
m_output_done = true;
}
else {
if (is_dropped(*next))
start=++next;
for (; next != end && !is_dropped(*next) && !is_kept(*next); ++next)
assigner::plus_equal(tok,*next);
m_output_done = true;
}
}
assigner::assign(start,next,tok);
return true;
}
private:
string_type m_kept_delims;
string_type m_dropped_delims;
bool m_use_ispunct;
bool m_use_isspace;
empty_token_policy m_empty_tokens;
bool m_output_done;
bool is_kept(Char E) const
{
if (m_kept_delims.length())
return m_kept_delims.find(E) != string_type::npos;
else if (m_use_ispunct) {
return Traits::ispunct(E) != 0;
} else
return false;
}
bool is_dropped(Char E) const
{
if (m_dropped_delims.length())
return m_dropped_delims.find(E) != string_type::npos;
else if (m_use_isspace) {
return Traits::isspace(E) != 0;
} else
return false;
}
};
//===========================================================================
// The following class is DEPRECATED, use class char_separators instead.
//
// The char_delimiters_separator class, which is a model of
// TokenizerFunction. char_delimiters_separator breaks a string
// into tokens based on character delimiters. There are 2 types of
// delimiters. returnable delimiters can be returned as
// tokens. These are often punctuation. nonreturnable delimiters
// cannot be returned as tokens. These are often whitespace
// The out of the box GCC 2.95 on cygwin does not have a char_traits class.
template <class Char,
class Tr = BOOST_DEDUCED_TYPENAME std::basic_string<Char>::traits_type >
class char_delimiters_separator {
private:
typedef tokenizer_detail::traits_extension<Tr> Traits;
typedef std::basic_string<Char,Tr> string_type;
string_type returnable_;
string_type nonreturnable_;
bool return_delims_;
bool no_ispunct_;
bool no_isspace_;
bool is_ret(Char E)const
{
if (returnable_.length())
return returnable_.find(E) != string_type::npos;
else{
if (no_ispunct_) {return false;}
else{
int r = Traits::ispunct(E);
return r != 0;
}
}
}
bool is_nonret(Char E)const
{
if (nonreturnable_.length())
return nonreturnable_.find(E) != string_type::npos;
else{
if (no_isspace_) {return false;}
else{
int r = Traits::isspace(E);
return r != 0;
}
}
}
public:
explicit char_delimiters_separator(bool return_delims = false,
const Char* returnable = 0,
const Char* nonreturnable = 0)
: returnable_(returnable ? returnable : string_type().c_str()),
nonreturnable_(nonreturnable ? nonreturnable:string_type().c_str()),
return_delims_(return_delims), no_ispunct_(returnable!=0),
no_isspace_(nonreturnable!=0) { }
void reset() { }
public:
template <typename InputIterator, typename Token>
bool operator()(InputIterator& next, InputIterator end,Token& tok) {
tok = Token();
// skip past all nonreturnable delims
// skip past the returnable only if we are not returning delims
for (;next!=end && ( is_nonret(*next) || (is_ret(*next)
&& !return_delims_ ) );++next) { }
if (next == end) {
return false;
}
// if we are to return delims and we are one a returnable one
// move past it and stop
if (is_ret(*next) && return_delims_) {
tok+=*next;
++next;
}
else
// append all the non delim characters
for (;next!=end && !is_nonret(*next) && !is_ret(*next);++next)
tok+=*next;
return true;
}
};
} //namespace boost
#endif

128
3rdparty/boost/boost/token_iterator.hpp vendored
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@ -1,128 +0,0 @@
// Boost token_iterator.hpp -------------------------------------------------//
// Copyright John R. Bandela 2001
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/tokenizer for documentation.
// Revision History:
// 16 Jul 2003 John Bandela
// Allowed conversions from convertible base iterators
// 03 Jul 2003 John Bandela
// Converted to new iterator adapter
#ifndef BOOST_TOKENIZER_POLICY_JRB070303_HPP_
#define BOOST_TOKENIZER_POLICY_JRB070303_HPP_
#include <boost/assert.hpp>
#include <boost/iterator/iterator_adaptor.hpp>
#include <boost/iterator/minimum_category.hpp>
#include <boost/token_functions.hpp>
#include <utility>
namespace boost
{
template <class TokenizerFunc, class Iterator, class Type>
class token_iterator
: public iterator_facade<
token_iterator<TokenizerFunc, Iterator, Type>
, Type
, typename iterators::minimum_category<
forward_traversal_tag
, typename iterator_traversal<Iterator>::type
>::type
, const Type&
>
{
friend class iterator_core_access;
TokenizerFunc f_;
Iterator begin_;
Iterator end_;
bool valid_;
Type tok_;
void increment(){
BOOST_ASSERT(valid_);
valid_ = f_(begin_,end_,tok_);
}
const Type& dereference() const {
BOOST_ASSERT(valid_);
return tok_;
}
template<class Other>
bool equal(const Other& a) const{
return (a.valid_ && valid_)
?( (a.begin_==begin_) && (a.end_ == end_) )
:(a.valid_==valid_);
}
void initialize(){
if(valid_) return;
f_.reset();
valid_ = (begin_ != end_)?
f_(begin_,end_,tok_):false;
}
public:
token_iterator():begin_(),end_(),valid_(false),tok_() { }
token_iterator(TokenizerFunc f, Iterator begin, Iterator e = Iterator())
: f_(f),begin_(begin),end_(e),valid_(false),tok_(){ initialize(); }
token_iterator(Iterator begin, Iterator e = Iterator())
: f_(),begin_(begin),end_(e),valid_(false),tok_() {initialize();}
template<class OtherIter>
token_iterator(
token_iterator<TokenizerFunc, OtherIter,Type> const& t
, typename enable_if_convertible<OtherIter, Iterator>::type* = 0)
: f_(t.tokenizer_function()),begin_(t.base())
,end_(t.end()),valid_(!t.at_end()),tok_(t.current_token()) {}
Iterator base()const{return begin_;}
Iterator end()const{return end_;}
TokenizerFunc tokenizer_function()const{return f_;}
Type current_token()const{return tok_;}
bool at_end()const{return !valid_;}
};
template <
class TokenizerFunc = char_delimiters_separator<char>,
class Iterator = std::string::const_iterator,
class Type = std::string
>
class token_iterator_generator {
private:
public:
typedef token_iterator<TokenizerFunc,Iterator,Type> type;
};
// Type has to be first because it needs to be explicitly specified
// because there is no way the function can deduce it.
template<class Type, class Iterator, class TokenizerFunc>
typename token_iterator_generator<TokenizerFunc,Iterator,Type>::type
make_token_iterator(Iterator begin, Iterator end,const TokenizerFunc& fun){
typedef typename
token_iterator_generator<TokenizerFunc,Iterator,Type>::type ret_type;
return ret_type(fun,begin,end);
}
} // namespace boost
#endif

98
3rdparty/boost/boost/tokenizer.hpp vendored
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@ -1,98 +0,0 @@
// Boost tokenizer.hpp -----------------------------------------------------//
// (c) Copyright Jeremy Siek and John R. Bandela 2001.
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// See http://www.boost.org/libs/tokenizer for documenation
// Revision History:
// 03 Jul 2003 John Bandela
// Converted to new iterator adapter
// 02 Feb 2002 Jeremy Siek
// Removed tabs and a little cleanup.
#ifndef BOOST_TOKENIZER_JRB070303_HPP_
#define BOOST_TOKENIZER_JRB070303_HPP_
#include <boost/token_iterator.hpp>
namespace boost {
//===========================================================================
// A container-view of a tokenized "sequence"
template <
typename TokenizerFunc = char_delimiters_separator<char>,
typename Iterator = std::string::const_iterator,
typename Type = std::string
>
class tokenizer {
private:
typedef token_iterator_generator<TokenizerFunc,Iterator,Type> TGen;
// It seems that MSVC does not like the unqualified use of iterator,
// Thus we use iter internally when it is used unqualified and
// the users of this class will always qualify iterator.
typedef typename TGen::type iter;
public:
typedef iter iterator;
typedef iter const_iterator;
typedef Type value_type;
typedef value_type& reference;
typedef const value_type& const_reference;
typedef value_type* pointer;
typedef const pointer const_pointer;
typedef void size_type;
typedef void difference_type;
tokenizer(Iterator first, Iterator last,
const TokenizerFunc& f = TokenizerFunc())
: first_(first), last_(last), f_(f) { }
template <typename Container>
tokenizer(const Container& c)
: first_(c.begin()), last_(c.end()), f_() { }
template <typename Container>
tokenizer(const Container& c,const TokenizerFunc& f)
: first_(c.begin()), last_(c.end()), f_(f) { }
void assign(Iterator first, Iterator last){
first_ = first;
last_ = last;
}
void assign(Iterator first, Iterator last, const TokenizerFunc& f){
assign(first,last);
f_ = f;
}
template <typename Container>
void assign(const Container& c){
assign(c.begin(),c.end());
}
template <typename Container>
void assign(const Container& c, const TokenizerFunc& f){
assign(c.begin(),c.end(),f);
}
iter begin() const { return iter(f_,first_,last_); }
iter end() const { return iter(f_,last_,last_); }
private:
Iterator first_;
Iterator last_;
TokenizerFunc f_;
};
} // namespace boost
#endif

1
3rdparty/boost/extract.sh vendored
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@ -36,7 +36,6 @@ bcp --boost=$1 \
boost/signal.hpp \
boost/signals/connection.hpp \
boost/signals/trackable.hpp \
boost/tokenizer.hpp \
boost/tuple/tuple.hpp \
boost/mpl/string.hpp \
boost/mpl/fold.hpp \

13
src/frontends/qt4/qt_helpers.cpp
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@ -51,7 +51,6 @@
// for FileFilter.
// FIXME: Remove
#include "support/regex.h"
#include <boost/tokenizer.hpp>
using namespace std;
@ -464,16 +463,12 @@ struct Filter
Filter::Filter(docstring const & description, string const & globs)
: desc_(description)
{
typedef boost::tokenizer<boost::char_separator<char> > Tokenizer;
boost::char_separator<char> const separator(" ");
// Given "<glob> <glob> ... *.{abc,def} <glob>", expand to
// "<glob> <glob> ... *.abc *.def <glob>"
string const expanded_globs = convert_brace_glob(globs);
// Split into individual globs.
Tokenizer const tokens(expanded_globs, separator);
globs_ = vector<string>(tokens.begin(), tokens.end());
globs_ = getVectorFromString(expanded_globs, " ");
}
@ -488,11 +483,7 @@ QString Filter::toString() const
s += " (";
}
for (size_t i = 0; i != globs_.size(); ++i) {
if (i > 0)
s += ' ';
s += toqstr(globs_[i]);
}
s += toqstr(getStringFromVector(globs_, " "));
if (has_description)
s += ')';

29
src/support/environment.cpp
View File

@ -15,10 +15,10 @@
#include "support/environment.h"
#include "support/docstring.h"
#include "support/lstrings.h"
#include "support/os.h"
#include <boost/tokenizer.hpp>
#include <algorithm> // for remove
#include <cstdlib>
#include <map>
#include <sstream>
@ -45,20 +45,10 @@ string const getEnv(string const & name)
vector<string> const getEnvPath(string const & name)
{
typedef boost::char_separator<char> Separator;
typedef boost::tokenizer<Separator> Tokenizer;
string const env_var = getEnv(name);
Separator const separator(string(1, os::path_separator()).c_str());
Tokenizer const tokens(env_var, separator);
Tokenizer::const_iterator it = tokens.begin();
Tokenizer::const_iterator const end = tokens.end();
string const separator(1, os::path_separator());
vector<string> vars;
for (; it != end; ++it)
vars.push_back(os::internal_path(*it));
return vars;
return getVectorFromString(env_var, separator);
}
@ -104,18 +94,13 @@ void setEnvPath(string const & name, vector<string> const & env)
void prependEnvPath(string const & name, string const & prefix)
{
string const separator(1, os::path_separator());
vector<string> reversed_tokens
= getVectorFromString(prefix, separator);
vector<string> env_var = getEnvPath(name);
typedef boost::char_separator<char> Separator;
typedef boost::tokenizer<Separator> Tokenizer;
Separator const separator(string(1, os::path_separator()).c_str());
// Prepend each new element to the list, removing identical elements
// that occur later in the list.
Tokenizer const tokens(prefix, separator);
vector<string> reversed_tokens(tokens.begin(), tokens.end());
typedef vector<string>::const_reverse_iterator token_iterator;
token_iterator it = reversed_tokens.rbegin();
token_iterator const end = reversed_tokens.rend();