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livetrax/libs/glibmm2/glib/glibmm/ustring.h
Carl Hetherington a313924b77 Re-add glibmm2 properly. 
git-svn-id: svn://localhost/ardour2/trunk@2644 d708f5d6-7413-0410-9779-e7cbd77b26cf
2007-11-13 10:37:24 +00:00

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// -*- c++ -*-
#ifndef _GLIBMM_USTRING_H
#define _GLIBMM_USTRING_H
/* $Id: ustring.h,v 1.15 2006/09/19 20:48:15 murrayc Exp $ */
/* Copyright (C) 2002 The gtkmm Development Team
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <glib/gmacros.h>
#include <glib/gunicode.h>
#include <glibmm/unicode.h>
#include <iosfwd>
#include <iterator>
#include <string>
#include <glibmmconfig.h>
GLIBMM_USING_STD(bidirectional_iterator_tag)
GLIBMM_USING_STD(reverse_iterator)
GLIBMM_USING_STD(string)
GLIBMM_USING_STD(istream)
GLIBMM_USING_STD(ostream)
#ifdef GLIBMM_HAVE_STD_ITERATOR_TRAITS
GLIBMM_USING_STD(iterator_traits)
#else
#include <cstddef> /* for ptrdiff_t */
GLIBMM_USING_STD(random_access_iterator_tag)
#endif
namespace Glib
{
#ifndef DOXYGEN_SHOULD_SKIP_THIS
#ifndef GLIBMM_HAVE_STD_ITERATOR_TRAITS
template <class T>
struct IteratorTraits
{
typedef typename T::iterator_category iterator_category;
typedef typename T::value_type value_type;
typedef typename T::difference_type difference_type;
typedef typename T::pointer pointer;
typedef typename T::reference reference;
};
template <class T>
struct IteratorTraits<T*>
{
typedef std::random_access_iterator_tag iterator_category;
typedef T value_type;
typedef ptrdiff_t difference_type;
typedef T* pointer;
typedef T& reference;
};
template <class T>
struct IteratorTraits<const T*>
{
typedef std::random_access_iterator_tag iterator_category;
typedef T value_type;
typedef ptrdiff_t difference_type;
typedef const T* pointer;
typedef const T& reference;
};
#endif /* GLIBMM_HAVE_STD_ITERATOR_TRAITS */
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
/** The iterator type of Glib::ustring.
* Note this is not a random access iterator but a bidirectional one,
* since all index operations need to iterate over the UTF-8 data. Use
* std::advance() to move to a certain position. However, all of the
* relational operators are available:
* <tt>==&nbsp;!=&nbsp;<&nbsp;>&nbsp;<=&nbsp;>=</tt>
*
* A writeable iterator isn't provided because: The number of bytes of
* the old UTF-8 character and the new one to write could be different.
* Therefore, any write operation would invalidate all other iterators
* pointing into the same string.
*/
template <class T>
class ustring_Iterator
{
public:
typedef std::bidirectional_iterator_tag iterator_category;
typedef gunichar value_type;
typedef std::string::difference_type difference_type;
typedef value_type reference;
typedef void pointer;
inline ustring_Iterator();
inline ustring_Iterator(const ustring_Iterator<std::string::iterator>& other);
inline value_type operator*() const;
inline ustring_Iterator<T> & operator++();
inline const ustring_Iterator<T> operator++(int);
inline ustring_Iterator<T> & operator--();
inline const ustring_Iterator<T> operator--(int);
explicit inline ustring_Iterator(T pos);
inline T base() const;
private:
T pos_;
};
/** Extract a UCS-4 character from UTF-8 data.
* Convert a single UTF-8 (multibyte) character starting at @p pos to
* a UCS-4 wide character. This may read up to 6 bytes after the start
* position, depending on the UTF-8 character width. You have to make
* sure the source contains at least one valid UTF-8 character.
*
* This is mainly used by the implementation of Glib::ustring::iterator,
* but it might be useful as utility function if you prefer using
* std::string even for UTF-8 encoding.
*/
gunichar get_unichar_from_std_iterator(std::string::const_iterator pos) G_GNUC_PURE;
/** Glib::ustring has much the same interface as std::string, but contains
* %Unicode characters encoded as UTF-8.
*
* @par About UTF-8 and ASCII
* @par
* The standard character set ANSI_X3.4-1968&nbsp;-- more commonly known as
* ASCII&nbsp;-- is a subset of UTF-8. So, if you want to, you can use
* Glib::ustring without even thinking about UTF-8.
* @par
* Whenever ASCII is mentioned in this manual, we mean the @em real ASCII
* (i.e. as defined in ANSI_X3.4-1968), which contains only 7-bit characters.
* Glib::ustring can @em not be used with ASCII-compatible extended 8-bit
* charsets like ISO-8859-1. It's a good idea to avoid string literals
* containing non-ASCII characters (e.g. German umlauts) in source code,
* or at least you should use UTF-8 literals.
* @par
* You can find a detailed UTF-8 and %Unicode FAQ here:
* http://www.cl.cam.ac.uk/~mgk25/unicode.html
*
* @par Glib::ustring vs. std::string
* @par
* Glib::ustring has implicit type conversions to and from std::string.
* These conversions do @em not convert to/from the current locale (see
* Glib::locale_from_utf8() and Glib::locale_to_utf8() if you need that). You
* can always use std::string instead of Glib::ustring&nbsp;-- however, using
* std::string with multi-byte characters is quite hard. For instance,
* <tt>std::string::operator[]</tt> might return a byte in the middle of a
* character, and <tt>std::string::length()</tt> returns the number of bytes
* rather than characters. So don't do that without a good reason.
* @par
* In a perfect world the C++ Standard Library would contain a UTF-8 string
* class. Unfortunately, the C++ standard doesn't mention UTF-8 at all. Note
* that std::wstring is not a UTF-8 string class because it contains only
* fixed-width characters (where width could be 32, 16, or even 8 bits).
*
* @par Glib::ustring and stream input/output
* @par
* The stream I/O operators, that is operator<<() and operator>>(), perform
* implicit charset conversion to/from the current locale. If that's not
* what you intented (e.g. when writing to a configuration file that should
* always be UTF-8 encoded) use ustring::raw() to override this behaviour.
* @par
* If you're using std::ostringstream to build strings for display in the
* user interface, you must convert the result back to UTF-8 as shown below:
* @code
* std::ostringstream output;
* output.imbue(std::locale("")); // use the user's locale for this stream
* output << percentage << " % done";
* label->set_text(Glib::locale_to_utf8(output.str()));
* @endcode
*
* @par Implementation notes
* @par
* Glib::ustring does not inherit from std::string, because std::string was
* intended to be a final class. For instance, it does not have a virtual
* destructor. Also, a HAS-A relationship is more appropriate because
* ustring can't just enhance the std::string interface. Rather, it has to
* reimplement the interface so that all operations are based on characters
* instead of bytes.
*/
class ustring
{
public:
typedef std::string::size_type size_type;
typedef std::string::difference_type difference_type;
typedef gunichar value_type;
typedef gunichar & reference;
typedef const gunichar & const_reference;
typedef ustring_Iterator<std::string::iterator> iterator;
typedef ustring_Iterator<std::string::const_iterator> const_iterator;
#ifndef GLIBMM_HAVE_SUN_REVERSE_ITERATOR
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
#else
typedef std::reverse_iterator<iterator,
iterator::iterator_category,
iterator::value_type,
iterator::reference,
iterator::pointer,
iterator::difference_type> reverse_iterator;
typedef std::reverse_iterator<const_iterator,
const_iterator::iterator_category,
const_iterator::value_type,
const_iterator::reference,
const_iterator::pointer,
const_iterator::difference_type> const_reverse_iterator;
#endif /* GLIBMM_HAVE_SUN_REVERSE_ITERATOR */
#ifdef GLIBMM_HAVE_ALLOWS_STATIC_INLINE_NPOS
static GLIBMM_API const size_type npos = std::string::npos;
#else
//The IRIX MipsPro compiler says "The indicated constant value is not known",
//so we need to initalize the static member data elsewhere.
static GLIBMM_API const size_type npos;
#endif
/*! Default constructor, which creates an empty string.
*/
ustring();
~ustring();
/*! Construct a ustring as a copy of another ustring.
* @param other A source string.
*/
ustring(const ustring& other);
/*! Assign the value of another string to this string.
* @param other A source string.
*/
ustring& operator=(const ustring& other);
/*! Swap contents with another string.
* @param other String to swap with.
*/
void swap(ustring& other);
/*! Construct a ustring as a copy of another std::string.
* @param src A source <tt>std::string</tt> containing text encoded as UTF-8.
*/
ustring(const std::string& src);
/*! Construct a ustring as a copy of a substring.
* @param src %Source ustring.
* @param i Index of first character to copy from.
* @param n Number of UTF-8 characters to copy (defaults to copying the remainder).
*/
ustring(const ustring& src, size_type i, size_type n=npos);
/*! Construct a ustring as a partial copy of a C string.
* @param src %Source C string encoded as UTF-8.
* @param n Number of UTF-8 characters to copy.
*/
ustring(const char* src, size_type n);
/*! Construct a ustring as a copy of a C string.
* @param src %Source C string encoded as UTF-8.
*/
ustring(const char* src);
/*! Construct a ustring as multiple characters.
* @param n Number of characters.
* @param uc UCS-4 code point to use.
*/
ustring(size_type n, gunichar uc);
/*! Construct a ustring as multiple characters.
* @param n Number of characters.
* @param c ASCII character to use.
*/
ustring(size_type n, char c);
/*! Construct a ustring as a copy of a range.
* @param pbegin Start of range.
* @param pend End of range.
*/
template <class In> ustring(In pbegin, In pend);
//! @name Assign new contents.
//! @{
ustring& operator=(const std::string& src);
ustring& operator=(const char* src);
ustring& operator=(gunichar uc);
ustring& operator=(char c);
ustring& assign(const ustring& src);
ustring& assign(const ustring& src, size_type i, size_type n);
ustring& assign(const char* src, size_type n);
ustring& assign(const char* src);
ustring& assign(size_type n, gunichar uc);
ustring& assign(size_type n, char c);
template <class In> ustring& assign(In pbegin, In pend);
//! @}
//! @name Append to the string.
//! @{
ustring& operator+=(const ustring& src);
ustring& operator+=(const char* src);
ustring& operator+=(gunichar uc);
ustring& operator+=(char c);
void push_back(gunichar uc);
void push_back(char c);
ustring& append(const ustring& src);
ustring& append(const ustring& src, size_type i, size_type n);
ustring& append(const char* src, size_type n);
ustring& append(const char* src);
ustring& append(size_type n, gunichar uc);
ustring& append(size_type n, char c);
template <class In> ustring& append(In pbegin, In pend);
//! @}
//! @name Insert into the string.
//! @{
ustring& insert(size_type i, const ustring& src);
ustring& insert(size_type i, const ustring& src, size_type i2, size_type n);
ustring& insert(size_type i, const char* src, size_type n);
ustring& insert(size_type i, const char* src);
ustring& insert(size_type i, size_type n, gunichar uc);
ustring& insert(size_type i, size_type n, char c);
iterator insert(iterator p, gunichar uc);
iterator insert(iterator p, char c);
void insert(iterator p, size_type n, gunichar uc);
void insert(iterator p, size_type n, char c);
template <class In> void insert(iterator p, In pbegin, In pend);
//! @}
//! @name Replace sub-strings.
//! @{
ustring& replace(size_type i, size_type n, const ustring& src);
ustring& replace(size_type i, size_type n, const ustring& src, size_type i2, size_type n2);
ustring& replace(size_type i, size_type n, const char* src, size_type n2);
ustring& replace(size_type i, size_type n, const char* src);
ustring& replace(size_type i, size_type n, size_type n2, gunichar uc);
ustring& replace(size_type i, size_type n, size_type n2, char c);
ustring& replace(iterator pbegin, iterator pend, const ustring& src);
ustring& replace(iterator pbegin, iterator pend, const char* src, size_type n);
ustring& replace(iterator pbegin, iterator pend, const char* src);
ustring& replace(iterator pbegin, iterator pend, size_type n, gunichar uc);
ustring& replace(iterator pbegin, iterator pend, size_type n, char c);
template <class In> ustring& replace(iterator pbegin, iterator pend, In pbegin2, In pend2);
//! @}
//! @name Erase sub-strings.
//! @{
void clear();
ustring& erase(size_type i, size_type n=npos);
ustring& erase();
iterator erase(iterator p);
iterator erase(iterator pbegin, iterator pend);
//! @}
//! @name Compare and collate.
//! @{
int compare(const ustring& rhs) const;
int compare(const char* rhs) const;
int compare(size_type i, size_type n, const ustring& rhs) const;
int compare(size_type i, size_type n, const ustring& rhs, size_type i2, size_type n2) const;
int compare(size_type i, size_type n, const char* rhs, size_type n2) const;
int compare(size_type i, size_type n, const char* rhs) const;
/*! Create a unique sorting key for the UTF-8 string. If you need to
* compare UTF-8 strings regularly, e.g. for sorted containers such as
* <tt>std::set<></tt>, you should consider creating a collate key first
* and compare this key instead of the actual string.
*
* The ustring::compare() methods as well as the relational operators
* <tt>==&nbsp;!=&nbsp;<&nbsp;>&nbsp;<=&nbsp;>=</tt> are quite costly
* because they have to deal with %Unicode and the collation rules defined by
* the current locale. Converting both operands to UCS-4 is just the first
* of several costly steps involved when comparing ustrings. So be careful.
*/
std::string collate_key() const;
/*! Create a unique key for the UTF-8 string that can be used for caseless
* sorting. <tt>ustr.casefold_collate_key()</tt> results in the same string
* as <tt>ustr.casefold().collate_key()</tt>, but the former is likely more
* efficient.
*/
std::string casefold_collate_key() const;
//! @}
//! @name Extract characters and sub-strings.
//! @{
/*! No reference return; use replace() to write characters. */
value_type operator[](size_type i) const;
/*! No reference return; use replace() to write characters. @throw std::out_of_range */
value_type at(size_type i) const;
inline ustring substr(size_type i=0, size_type n=npos) const;
//! @}
//! @name Access a sequence of characters.
//! @{
iterator begin();
iterator end();
const_iterator begin() const;
const_iterator end() const;
reverse_iterator rbegin();
reverse_iterator rend();
const_reverse_iterator rbegin() const;
const_reverse_iterator rend() const;
//! @}
//! @name Find sub-strings.
//! @{
size_type find(const ustring& str, size_type i=0) const;
size_type find(const char* str, size_type i, size_type n) const;
size_type find(const char* str, size_type i=0) const;
size_type find(gunichar uc, size_type i=0) const;
size_type find(char c, size_type i=0) const;
size_type rfind(const ustring& str, size_type i=npos) const;
size_type rfind(const char* str, size_type i, size_type n) const;
size_type rfind(const char* str, size_type i=npos) const;
size_type rfind(gunichar uc, size_type i=npos) const;
size_type rfind(char c, size_type i=npos) const;
//! @}
//! @name Match against a set of characters.
//! @{
size_type find_first_of(const ustring& match, size_type i=0) const;
size_type find_first_of(const char* match, size_type i, size_type n) const;
size_type find_first_of(const char* match, size_type i=0) const;
size_type find_first_of(gunichar uc, size_type i=0) const;
size_type find_first_of(char c, size_type i=0) const;
size_type find_last_of(const ustring& match, size_type i=npos) const;
size_type find_last_of(const char* match, size_type i, size_type n) const;
size_type find_last_of(const char* match, size_type i=npos) const;
size_type find_last_of(gunichar uc, size_type i=npos) const;
size_type find_last_of(char c, size_type i=npos) const;
size_type find_first_not_of(const ustring& match, size_type i=0) const;
size_type find_first_not_of(const char* match, size_type i, size_type n) const;
size_type find_first_not_of(const char* match, size_type i=0) const;
size_type find_first_not_of(gunichar uc, size_type i=0) const;
size_type find_first_not_of(char c, size_type i=0) const;
size_type find_last_not_of(const ustring& match, size_type i=npos) const;
size_type find_last_not_of(const char* match, size_type i, size_type n) const;
size_type find_last_not_of(const char* match, size_type i=npos) const;
size_type find_last_not_of(gunichar uc, size_type i=npos) const;
size_type find_last_not_of(char c, size_type i=npos) const;
//! @}
//! @name Retrieve the string's size.
//! @{
/** Returns true if the string is empty. Equivalent to *this == "".
* @result Whether the string is empty.
*/
bool empty() const;
/** Returns the number of characters in the string, not including any null-termination.
* @result The number of UTF-8 characters.
*
* @see bytes(), empty()
*/
size_type size() const;
//We have length() as well as size(), because std::string has both.
/** This is the same as size().
*/
size_type length() const;
/** Returns the number of bytes in the string, not including any null-termination.
* @result The number of bytes.
*
* @see size(), empty()
*/
size_type bytes() const;
//! @}
//! @name Change the string's size.
//! @{
void resize(size_type n, gunichar uc);
void resize(size_type n, char c='\0');
//! @}
//! @name Control the allocated memory.
//! @{
size_type capacity() const;
size_type max_size() const;
void reserve(size_type n=0);
//! @}
//! @name Get a per-byte representation of the string.
//! @{
inline operator std::string() const; // e.g. std::string str = ustring();
inline const std::string& raw() const;
// Not necessarily an ASCII char*. Use g_utf8_*() where necessary.
const char* data() const;
const char* c_str() const;
/*! @return Number of copied @em bytes, not characters. */
size_type copy(char* dest, size_type n, size_type i=0) const;
//! @}
//! @name UTF-8 utilities.
//! @{
/*! Check whether the string is valid UTF-8. */
bool validate() const;
/*! Check whether the string is valid UTF-8. */
bool validate(iterator& first_invalid);
/*! Check whether the string is valid UTF-8. */
bool validate(const_iterator& first_invalid) const;
/*! Check whether the string is plain 7-bit ASCII. @par
* Unlike any other ustring method, is_ascii() is safe to use on invalid
* UTF-8 strings. If the string isn't valid UTF-8, it cannot be valid
* ASCII either, therefore is_ascii() will just return @c false then.
* @return Whether the string contains only ASCII characters.
*/
bool is_ascii() const;
/*! "Normalize" the %Unicode character representation of the string. */
ustring normalize(NormalizeMode mode = NORMALIZE_DEFAULT_COMPOSE) const;
//! @}
//! @name Character case conversion.
//! @{
/*! Returns a new UTF-8 string with all characters characters converted to
* their uppercase equivalent, while honoring the current locale. The
* resulting string may change in the number of bytes as well as in the
* number of characters. For instance, the German sharp&nbsp;s
* <tt>&quot;&szlig;&quot;</tt> will be replaced by two characters
* <tt>"SS"</tt> because there is no capital <tt>&quot;&szlig;&quot;</tt>.
*/
ustring uppercase() const;
/*! Returns a new UTF-8 string with all characters characters converted to
* their lowercase equivalent, while honoring the current locale. The
* resulting string may change in the number of bytes as well as in the
* number of characters.
*/
ustring lowercase() const;
/*! Returns a caseless representation of the UTF-8 string. The resulting
* string doesn't correspond to any particular case, therefore the result
* is only useful to compare strings and should never be displayed to the
* user.
*/
ustring casefold() const;
//! @}
private:
#ifndef DOXYGEN_SHOULD_SKIP_THIS
#ifdef GLIBMM_HAVE_STD_ITERATOR_TRAITS
template <class In, class ValueType = typename std::iterator_traits<In>::value_type>
#else
template <class In, class ValueType = typename Glib::IteratorTraits<In>::value_type>
#endif
struct SequenceToString;
//The Tru64 compiler needs these partial specializations to be declared here,
//as well as defined later. That's probably correct. murrayc.
template <class In>
struct SequenceToString<In, char>;
template <class In>
struct SequenceToString<In, gunichar>;
/*
template <>
struct ustring::SequenceToString<Glib::ustring::iterator, gunichar>;
template <>
struct ustring::SequenceToString<Glib::ustring::const_iterator, gunichar>;
*/
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
std::string string_;
};
#ifndef DOXYGEN_SHOULD_SKIP_THIS
template <class In, class ValueType>
struct ustring::SequenceToString
{};
template <class In>
struct ustring::SequenceToString<In, char> : public std::string
{
SequenceToString(In pbegin, In pend);
};
template <class In>
struct ustring::SequenceToString<In, gunichar> : public std::string
{
SequenceToString(In pbegin, In pend);
};
template <>
struct ustring::SequenceToString<Glib::ustring::iterator, gunichar> : public std::string
{
SequenceToString(Glib::ustring::iterator pbegin, Glib::ustring::iterator pend);
};
template <>
struct ustring::SequenceToString<Glib::ustring::const_iterator, gunichar> : public std::string
{
SequenceToString(Glib::ustring::const_iterator pbegin, Glib::ustring::const_iterator pend);
};
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
/** Stream input operator.
* @relates Glib::ustring
* @throw Glib::ConvertError
*/
std::istream& operator>>(std::istream& is, Glib::ustring& utf8_string);
/** Stream output operator.
* @relates Glib::ustring
* @throw Glib::ConvertError
*/
std::ostream& operator<<(std::ostream& os, const Glib::ustring& utf8_string);
/***************************************************************************/
/* Inline implementation */
/***************************************************************************/
#ifndef DOXYGEN_SHOULD_SKIP_THIS
/**** Glib::ustring_Iterator<> *********************************************/
template <class T> inline
ustring_Iterator<T>::ustring_Iterator(T pos)
:
pos_ (pos)
{}
template <class T> inline
T ustring_Iterator<T>::base() const
{
return pos_;
}
template <class T> inline
ustring_Iterator<T>::ustring_Iterator()
:
pos_ ()
{}
template <class T> inline
ustring_Iterator<T>::ustring_Iterator(const ustring_Iterator<std::string::iterator>& other)
:
pos_ (other.base())
{}
template <class T> inline
typename ustring_Iterator<T>::value_type ustring_Iterator<T>::operator*() const
{
return Glib::get_unichar_from_std_iterator(pos_);
}
template <class T> inline
ustring_Iterator<T>& ustring_Iterator<T>::operator++()
{
pos_ += g_utf8_skip[static_cast<unsigned char>(*pos_)];
return *this;
}
template <class T> inline
const ustring_Iterator<T> ustring_Iterator<T>::operator++(int)
{
const ustring_Iterator<T> temp (*this);
this->operator++();
return temp;
}
template <class T> inline
ustring_Iterator<T>& ustring_Iterator<T>::operator--()
{
do --pos_; while((*pos_ & '\xC0') == '\x80');
return *this;
}
template <class T> inline
const ustring_Iterator<T> ustring_Iterator<T>::operator--(int)
{
const ustring_Iterator<T> temp (*this);
this->operator--();
return temp;
}
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
/** @relates Glib::ustring_Iterator */
template <class T> inline
bool operator==(const ustring_Iterator<T>& lhs, const ustring_Iterator<T>& rhs)
{
return (lhs.base() == rhs.base());
}
/** @relates Glib::ustring_Iterator */
template <class T> inline
bool operator!=(const ustring_Iterator<T>& lhs, const ustring_Iterator<T>& rhs)
{
return (lhs.base() != rhs.base());
}
/** @relates Glib::ustring_Iterator */
template <class T> inline
bool operator<(const ustring_Iterator<T>& lhs, const ustring_Iterator<T>& rhs)
{
return (lhs.base() < rhs.base());
}
/** @relates Glib::ustring_Iterator */
template <class T> inline
bool operator>(const ustring_Iterator<T>& lhs, const ustring_Iterator<T>& rhs)
{
return (lhs.base() > rhs.base());
}
/** @relates Glib::ustring_Iterator */
template <class T> inline
bool operator<=(const ustring_Iterator<T>& lhs, const ustring_Iterator<T>& rhs)
{
return (lhs.base() <= rhs.base());
}
/** @relates Glib::ustring_Iterator */
template <class T> inline
bool operator>=(const ustring_Iterator<T>& lhs, const ustring_Iterator<T>& rhs)
{
return (lhs.base() >= rhs.base());
}
#ifndef DOXYGEN_SHOULD_SKIP_THIS
/**** Glib::ustring::SequenceToString **************************************/
template <class In>
ustring::SequenceToString<In,char>::SequenceToString(In pbegin, In pend)
:
std::string(pbegin, pend)
{}
template <class In>
ustring::SequenceToString<In,gunichar>::SequenceToString(In pbegin, In pend)
{
char utf8_buf[6]; // stores a single UTF-8 character
for(; pbegin != pend; ++pbegin)
{
const std::string::size_type utf8_len = g_unichar_to_utf8(*pbegin, utf8_buf);
this->append(utf8_buf, utf8_len);
}
}
/**** Glib::ustring ********************************************************/
template <class In>
ustring::ustring(In pbegin, In pend)
:
string_ (Glib::ustring::SequenceToString<In>(pbegin, pend))
{}
template <class In>
ustring& ustring::assign(In pbegin, In pend)
{
Glib::ustring::SequenceToString<In> temp_string (pbegin, pend);
string_.swap(temp_string); // constant-time operation
return *this;
}
template <class In>
ustring& ustring::append(In pbegin, In pend)
{
string_.append(Glib::ustring::SequenceToString<In>(pbegin, pend));
return *this;
}
template <class In>
void ustring::insert(ustring::iterator p, In pbegin, In pend)
{
string_.insert(p.base(), Glib::ustring::SequenceToString<In>(pbegin, pend));
}
template <class In>
ustring& ustring::replace(ustring::iterator pbegin, ustring::iterator pend, In pbegin2, In pend2)
{
string_.replace(
pbegin.base(), pend.base(),
Glib::ustring::SequenceToString<In>(pbegin2, pend2));
return *this;
}
// The ustring methods substr() and operator std::string() are inline,
// so that the compiler has a fair chance to optimize the copy ctor away.
inline
ustring ustring::substr(ustring::size_type i, ustring::size_type n) const
{
return ustring(*this, i, n);
}
inline
ustring::operator std::string() const
{
return string_;
}
inline
const std::string& ustring::raw() const
{
return string_;
}
#endif /* DOXYGEN_SHOULD_SKIP_THIS */
/** @relates Glib::ustring */
inline
void swap(ustring& lhs, ustring& rhs)
{
lhs.swap(rhs);
}
/**** Glib::ustring -- comparison operators ********************************/
/** @relates Glib::ustring */
inline bool operator==(const ustring& lhs, const ustring& rhs)
{ return (lhs.compare(rhs) == 0); }
/** @relates Glib::ustring */
inline bool operator==(const ustring& lhs, const char* rhs)
{ return (lhs.compare(rhs) == 0); }
/** @relates Glib::ustring */
inline bool operator==(const char* lhs, const ustring& rhs)
{ return (rhs.compare(lhs) == 0); }
/** @relates Glib::ustring */
inline bool operator!=(const ustring& lhs, const ustring& rhs)
{ return (lhs.compare(rhs) != 0); }
/** @relates Glib::ustring */
inline bool operator!=(const ustring& lhs, const char* rhs)
{ return (lhs.compare(rhs) != 0); }
/** @relates Glib::ustring */
inline bool operator!=(const char* lhs, const ustring& rhs)
{ return (rhs.compare(lhs) != 0); }
/** @relates Glib::ustring */
inline bool operator<(const ustring& lhs, const ustring& rhs)
{ return (lhs.compare(rhs) < 0); }
/** @relates Glib::ustring */
inline bool operator<(const ustring& lhs, const char* rhs)
{ return (lhs.compare(rhs) < 0); }
/** @relates Glib::ustring */
inline bool operator<(const char* lhs, const ustring& rhs)
{ return (rhs.compare(lhs) > 0); }
/** @relates Glib::ustring */
inline bool operator>(const ustring& lhs, const ustring& rhs)
{ return (lhs.compare(rhs) > 0); }
/** @relates Glib::ustring */
inline bool operator>(const ustring& lhs, const char* rhs)
{ return (lhs.compare(rhs) > 0); }
/** @relates Glib::ustring */
inline bool operator>(const char* lhs, const ustring& rhs)
{ return (rhs.compare(lhs) < 0); }
/** @relates Glib::ustring */
inline bool operator<=(const ustring& lhs, const ustring& rhs)
{ return (lhs.compare(rhs) <= 0); }
/** @relates Glib::ustring */
inline bool operator<=(const ustring& lhs, const char* rhs)
{ return (lhs.compare(rhs) <= 0); }
/** @relates Glib::ustring */
inline bool operator<=(const char* lhs, const ustring& rhs)
{ return (rhs.compare(lhs) >= 0); }
/** @relates Glib::ustring */
inline bool operator>=(const ustring& lhs, const ustring& rhs)
{ return (lhs.compare(rhs) >= 0); }
/** @relates Glib::ustring */
inline bool operator>=(const ustring& lhs, const char* rhs)
{ return (lhs.compare(rhs) >= 0); }
/** @relates Glib::ustring */
inline bool operator>=(const char* lhs, const ustring& rhs)
{ return (rhs.compare(lhs) <= 0); }
/**** Glib::ustring -- concatenation operators *****************************/
/** @relates Glib::ustring */
inline ustring operator+(const ustring& lhs, const ustring& rhs)
{ ustring temp (lhs); temp += rhs; return temp; }
/** @relates Glib::ustring */
inline ustring operator+(const ustring& lhs, const char* rhs)
{ ustring temp (lhs); temp += rhs; return temp; }
/** @relates Glib::ustring */
inline ustring operator+(const char* lhs, const ustring& rhs)
{ ustring temp (lhs); temp += rhs; return temp; }
/** @relates Glib::ustring */
inline ustring operator+(const ustring& lhs, gunichar rhs)
{ ustring temp (lhs); temp += rhs; return temp; }
/** @relates Glib::ustring */
inline ustring operator+(gunichar lhs, const ustring& rhs)
{ ustring temp (1, lhs); temp += rhs; return temp; }
/** @relates Glib::ustring */
inline ustring operator+(const ustring& lhs, char rhs)
{ ustring temp (lhs); temp += rhs; return temp; }
/** @relates Glib::ustring */
inline ustring operator+(char lhs, const ustring& rhs)
{ ustring temp (1, lhs); temp += rhs; return temp; }
} // namespace Glib
#endif /* _GLIBMM_USTRING_H */
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