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livetrax/libs/glibmm2/glib/src/convert.ccg
Paul Davis a73d15e989 switch glibmm/giomm to 2.18
git-svn-id: svn://localhost/ardour2/branches/3.0@5306 d708f5d6-7413-0410-9779-e7cbd77b26cf
2009-07-02 16:00:45 +00:00

397 lines
12 KiB
C++

// -*- c++ -*-
/* $Id: convert.ccg,v 1.4 2006/06/05 17:32:14 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/gtestutils.h> //For g_assert() in glib >= 2.15.0
//#include <glib/gmessages.h> //For g_assert() in glib < 2.15.0
#include <glib.h> //For g_assert() in all versions of glib.
#include <glibmm/utility.h>
namespace Glib
{
/**** Glib::IConv **********************************************************/
IConv::IConv(const std::string& to_codeset, const std::string& from_codeset)
:
gobject_ (g_iconv_open(to_codeset.c_str(), from_codeset.c_str()))
{
if(gobject_ == reinterpret_cast<GIConv>(-1))
{
GError* gerror = 0;
// Abuse g_convert() to create a GError object. This may seem a weird
// thing to do, but it gives us consistently translated error messages
// at no further cost.
g_convert("", 0, to_codeset.c_str(), from_codeset.c_str(), 0, 0, &gerror);
// If this should ever fail we're fucked.
g_assert(gerror != 0);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
}
}
IConv::IConv(GIConv gobject)
:
gobject_ (gobject)
{}
IConv::~IConv()
{
g_iconv_close(gobject_);
}
size_t IConv::iconv(char** inbuf, gsize* inbytes_left, char** outbuf, gsize* outbytes_left)
{
return g_iconv(gobject_, inbuf, inbytes_left, outbuf, outbytes_left);
}
void IConv::reset()
{
// Apparently iconv() on Solaris <= 7 segfaults if you pass in
// NULL for anything but inbuf; work around that. (NULL outbuf
// or NULL *outbuf is allowed by Unix98.)
char* outbuf = 0;
gsize inbytes_left = 0;
gsize outbytes_left = 0;
g_iconv(gobject_, 0, &inbytes_left, &outbuf, &outbytes_left);
}
#ifdef GLIBMM_EXCEPTIONS_ENABLED
std::string IConv::convert(const std::string& str)
#else
std::string IConv::convert(const std::string& str, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
gsize bytes_written = 0;
GError* gerror = 0;
char *const buf = g_convert_with_iconv(
str.data(), str.size(), gobject_, 0, &bytes_written, &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#else
if(gerror) error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
return std::string(ScopedPtr<char>(buf).get(), bytes_written);
}
/**** charset conversion functions *****************************************/
bool get_charset()
{
return g_get_charset(0);
}
bool get_charset(std::string& charset)
{
const char* charset_cstr = 0;
const bool is_utf8 = g_get_charset(&charset_cstr);
charset = charset_cstr;
return is_utf8;
}
#ifdef GLIBMM_EXCEPTIONS_ENABLED
std::string convert(const std::string& str,
const std::string& to_codeset,
const std::string& from_codeset)
#else
std::string convert(const std::string& str,
const std::string& to_codeset,
const std::string& from_codeset, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
gsize bytes_written = 0;
GError* gerror = 0;
char *const buf = g_convert(
str.data(), str.size(), to_codeset.c_str(), from_codeset.c_str(),
0, &bytes_written, &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#else
if(gerror) error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
return std::string(ScopedPtr<char>(buf).get(), bytes_written);
}
#ifdef GLIBMM_EXCEPTIONS_ENABLED
std::string convert_with_fallback(const std::string& str,
const std::string& to_codeset,
const std::string& from_codeset)
#else
std::string convert_with_fallback(const std::string& str,
const std::string& to_codeset,
const std::string& from_codeset, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
gsize bytes_written = 0;
GError* gerror = 0;
char *const buf = g_convert_with_fallback(
str.data(), str.size(), to_codeset.c_str(), from_codeset.c_str(), 0,
0, &bytes_written, &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#else
if(gerror) error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
return std::string(ScopedPtr<char>(buf).get(), bytes_written);
}
#ifdef GLIBMM_EXCEPTIONS_ENABLED
std::string convert_with_fallback(const std::string& str,
const std::string& to_codeset,
const std::string& from_codeset,
const Glib::ustring& fallback)
#else
std::string convert_with_fallback(const std::string& str,
const std::string& to_codeset,
const std::string& from_codeset,
const Glib::ustring& fallback, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
gsize bytes_written = 0;
GError* gerror = 0;
char *const buf = g_convert_with_fallback(
str.data(), str.size(), to_codeset.c_str(), from_codeset.c_str(),
const_cast<char*>(fallback.c_str()), 0, &bytes_written, &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#else
if(gerror) error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
return std::string(ScopedPtr<char>(buf).get(), bytes_written);
}
#ifdef GLIBMM_EXCEPTIONS_ENABLED
Glib::ustring locale_to_utf8(const std::string& opsys_string)
#else
Glib::ustring locale_to_utf8(const std::string& opsys_string, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
gsize bytes_written = 0;
GError* gerror = 0;
char *const buf = g_locale_to_utf8(
opsys_string.data(), opsys_string.size(), 0, &bytes_written, &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#else
if(gerror) error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
const ScopedPtr<char> scoped_buf (buf);
return Glib::ustring(scoped_buf.get(), scoped_buf.get() + bytes_written);
}
#ifdef GLIBMM_EXCEPTIONS_ENABLED
std::string locale_from_utf8(const Glib::ustring& utf8_string)
#else
std::string locale_from_utf8(const Glib::ustring& utf8_string, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
gsize bytes_written = 0;
GError* gerror = 0;
char *const buf = g_locale_from_utf8(
utf8_string.data(), utf8_string.bytes(), 0, &bytes_written, &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#else
if(gerror) error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
return std::string(ScopedPtr<char>(buf).get(), bytes_written);
}
#ifdef GLIBMM_EXCEPTIONS_ENABLED
Glib::ustring filename_to_utf8(const std::string& opsys_string)
#else
Glib::ustring filename_to_utf8(const std::string& opsys_string, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
gsize bytes_written = 0;
GError* gerror = 0;
char *const buf = g_filename_to_utf8(
opsys_string.data(), opsys_string.size(), 0, &bytes_written, &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#else
if(gerror) error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
const ScopedPtr<char> scoped_buf (buf);
return Glib::ustring(scoped_buf.get(), scoped_buf.get() + bytes_written);
}
#ifdef GLIBMM_EXCEPTIONS_ENABLED
std::string filename_from_utf8(const Glib::ustring& utf8_string)
#else
std::string filename_from_utf8(const Glib::ustring& utf8_string, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
gsize bytes_written = 0;
GError* gerror = 0;
char *const buf = g_filename_from_utf8(
utf8_string.data(), utf8_string.bytes(), 0, &bytes_written, &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#else
if(gerror) error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
return std::string(ScopedPtr<char>(buf).get(), bytes_written);
}
#ifdef GLIBMM_EXCEPTIONS_ENABLED
std::string filename_from_uri(const Glib::ustring& uri, Glib::ustring& hostname)
#else
std::string filename_from_uri(const Glib::ustring& uri, Glib::ustring& hostname, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
char* hostname_buf = 0;
GError* gerror = 0;
char *const buf = g_filename_from_uri(uri.c_str(), &hostname_buf, &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#else
if(gerror) error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
// Let's take ownership at this point.
const ScopedPtr<char> scoped_buf (buf);
if(hostname_buf)
hostname = ScopedPtr<char>(hostname_buf).get();
else
hostname.erase();
return std::string(scoped_buf.get());
}
#ifdef GLIBMM_EXCEPTIONS_ENABLED
std::string filename_from_uri(const Glib::ustring& uri)
#else
std::string filename_from_uri(const Glib::ustring& uri, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
GError* gerror = 0;
char *const buf = g_filename_from_uri(uri.c_str(), 0, &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#else
if(gerror) error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
return std::string(ScopedPtr<char>(buf).get());
}
#ifdef GLIBMM_EXCEPTIONS_ENABLED
Glib::ustring filename_to_uri(const std::string& filename, const Glib::ustring& hostname)
#else
Glib::ustring filename_to_uri(const std::string& filename, const Glib::ustring& hostname, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
GError* gerror = 0;
char *const buf = g_filename_to_uri(filename.c_str(), hostname.c_str(), &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#else
if(gerror) error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
return Glib::ustring(ScopedPtr<char>(buf).get());
}
#ifdef GLIBMM_EXCEPTIONS_ENABLED
Glib::ustring filename_to_uri(const std::string& filename)
#else
Glib::ustring filename_to_uri(const std::string& filename, std::auto_ptr<Glib::Error>& error)
#endif //GLIBMM_EXCEPTIONS_ENABLED
{
GError* gerror = 0;
char *const buf = g_filename_to_uri(filename.c_str(), 0, &gerror);
#ifdef GLIBMM_EXCEPTIONS_ENABLED
if(gerror) ::Glib::Error::throw_exception(gerror);
#else
if(gerror) error = ::Glib::Error::throw_exception(gerror);
#endif //GLIBMM_EXCEPTIONS_ENABLED
return Glib::ustring(ScopedPtr<char>(buf).get());
}
Glib::ustring filename_display_basename(const std::string& filename)
{
char *const buf = g_filename_display_basename(filename.c_str());
return Glib::ustring(ScopedPtr<char>(buf).get());
}
Glib::ustring filename_display_name(const std::string& filename)
{
char *const buf = g_filename_display_name(filename.c_str());
return Glib::ustring(ScopedPtr<char>(buf).get());
}
} // namespace Glib