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util/Error: remove obsolete class

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This commit is contained in:
Max Kellermann 2016-11-10 12:58:26 +01:00
parent db6c0d54cf
commit 22dcca9832
36 changed files with 3 additions and 433 deletions
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1
Makefile.am
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@ -399,7 +399,6 @@ libutil_a_SOURCES = \
src/util/AllocatedArray.hxx \
src/util/VarSize.hxx \
src/util/ScopeExit.hxx \
src/util/Error.cxx src/util/Error.hxx \
src/util/Domain.hxx \
src/util/ReusableArray.hxx \
src/util/ASCII.hxx \

1
src/Instance.hxx
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@ -37,7 +37,6 @@ class Storage;
class UpdateService;
#endif
class Error;
class ClientList;
struct Partition;
class StateFile;

4
src/Log.cxx
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@ -19,7 +19,7 @@
#include "config.h"
#include "LogV.hxx"
#include "util/Error.hxx"
#include "util/Domain.hxx"
#include <exception>
@ -27,6 +27,8 @@
#include <string.h>
#include <errno.h>
static constexpr Domain exception_domain("exception");
void
LogFormatV(const Domain &domain, LogLevel level, const char *fmt, va_list ap)
{

1
src/PlaylistDatabase.hxx
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@ -27,7 +27,6 @@
class PlaylistVector;
class BufferedOutputStream;
class TextFile;
class Error;
void
playlist_vector_save(BufferedOutputStream &os, const PlaylistVector &pv);

1
src/PlaylistFile.hxx
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@ -26,7 +26,6 @@
class DetachedSong;
class SongLoader;
class PlaylistVector;
class Error;
class AllocatedPath;
typedef std::vector<std::string> PlaylistFileContents;

1
src/SongLoader.hxx
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@ -30,7 +30,6 @@ class Database;
class Storage;
class DetachedSong;
class Path;
class Error;
struct LocatedUri;
/**

1
src/SongSave.hxx
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@ -26,7 +26,6 @@ struct Song;
class DetachedSong;
class BufferedOutputStream;
class TextFile;
class Error;
void
song_save(BufferedOutputStream &os, const Song &song);

1
src/config/Param.hxx
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@ -25,7 +25,6 @@
#include <string>
class Error;
class AllocatedPath;
struct ConfigParam {

1
src/db/plugins/simple/DatabaseSave.hxx
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@ -23,7 +23,6 @@
struct Directory;
class BufferedOutputStream;
class TextFile;
class Error;
void
db_save_internal(BufferedOutputStream &os, const Directory &root);

1
src/db/plugins/simple/DirectorySave.hxx
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@ -23,7 +23,6 @@
struct Directory;
class TextFile;
class BufferedOutputStream;
class Error;
void
directory_save(BufferedOutputStream &os, const Directory &directory);

2
src/db/plugins/upnp/Directory.hxx
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@ -26,8 +26,6 @@
#include <string>
#include <vector>
class Error;
/**
* Image of a MediaServer Directory Service container (directory),
* possibly containing items and subordinate containers.

2
src/encoder/plugins/TwolameEncoderPlugin.cxx
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@ -56,8 +56,6 @@ public:
audio_format(_audio_format), options(_options) {}
~TwolameEncoder() override;
bool Configure(const ConfigBlock &block, Error &error);
/* virtual methods from class Encoder */
void End() override {

1
src/filter/FilterInternal.hxx
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@ -30,7 +30,6 @@
#include <stddef.h>
struct AudioFormat;
class Error;
template<typename T> struct ConstBuffer;
class Filter {

1
src/filter/plugins/ConvertFilterPlugin.hxx
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@ -21,7 +21,6 @@
#define MPD_CONVERT_FILTER_PLUGIN_HXX
class Filter;
class Error;
struct AudioFormat;
Filter *

2
src/fs/Charset.hxx
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@ -28,8 +28,6 @@
#define HAVE_FS_CHARSET
#endif
class Error;
/**
* Gets file system character set name.
*/

2
src/fs/Config.hxx
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@ -22,8 +22,6 @@
#include "check.h"
class Error;
/**
* Performs global one-time initialization of this class.
*

2
src/input/Init.hxx
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@ -20,8 +20,6 @@
#ifndef MPD_INPUT_INIT_HXX
#define MPD_INPUT_INIT_HXX
class Error;
/**
* Initializes this library and all #InputStream implementations.
*/

1
src/input/InputStream.hxx
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@ -31,7 +31,6 @@
#include <assert.h>
class Cond;
class Error;
struct Tag;
class InputStream {

1
src/lib/expat/ExpatParser.hxx
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@ -28,7 +28,6 @@
#include <stdexcept>
class InputStream;
class Error;
class ExpatError final : public std::runtime_error {
public:

1
src/lib/icu/Collate.hxx
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@ -23,7 +23,6 @@
#include "check.h"
#include "Compiler.h"
class Error;
template<typename T> class AllocatedString;
/**

2
src/lib/nfs/Lease.hxx
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@ -24,8 +24,6 @@
#include <exception>
class Error;
class NfsLease {
public:
/**

1
src/net/AllocatedSocketAddress.hxx
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@ -39,7 +39,6 @@
#include <stdlib.h>
struct sockaddr;
class Error;
class AllocatedSocketAddress {
public:

1
src/player/Control.hxx
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@ -31,7 +31,6 @@
#include <stdint.h>
class Error;
class PlayerListener;
class MultipleOutputs;
class DetachedSong;

1
src/playlist/PlaylistQueue.hxx
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@ -24,7 +24,6 @@
#ifndef MPD_PLAYLIST_QUEUE_HXX
#define MPD_PLAYLIST_QUEUE_HXX
class Error;
class SongLoader;
class SongEnumerator;
struct playlist;

1
src/queue/Playlist.hxx
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@ -26,7 +26,6 @@ enum TagType : uint8_t;
struct PlayerControl;
class DetachedSong;
class Database;
class Error;
class SongLoader;
class SongTime;
class SignedSongTime;

1
src/sticker/StickerDatabase.hxx
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@ -47,7 +47,6 @@
#include <string>
class Error;
class Path;
struct Sticker;

204
src/util/Error.cxx
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@ -1,204 +0,0 @@
/*
* Copyright (C) 2013 Max Kellermann <max@duempel.org>
*
* 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.
*
* 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
* FOUNDATION 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.
*/
#include "config.h"
#include "Error.hxx"
#include "Domain.hxx"
#include <system_error>
#ifdef WIN32
#include <windows.h>
#endif
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <string.h>
const Domain exception_domain("exception");
const Domain errno_domain("errno");
#ifdef WIN32
const Domain win32_domain("win32");
#endif
Error::~Error() {}
void
Error::Set(std::exception_ptr src)
{
try {
/* classify the exception */
std::rethrow_exception(src);
} catch (const std::system_error &se) {
if (se.code().category() == std::system_category()) {
#ifdef WIN32
Set(win32_domain, se.code().value(), se.what());
#else
Set(errno_domain, se.code().value(), se.what());
#endif
} else
Set(exception_domain, se.what());
} catch (const std::exception &e) {
Set(exception_domain, e.what());
} catch (...) {
Set(exception_domain, "Unknown exception");
}
}
void
Error::Set(const Domain &_domain, int _code, const char *_message)
{
domain = &_domain;
code = _code;
message.assign(_message);
}
void
Error::Format2(const Domain &_domain, int _code, const char *fmt, ...)
{
char buffer[1024];
va_list ap;
va_start(ap, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
Set(_domain, _code, buffer);
}
void
Error::FormatPrefix(const char *fmt, ...)
{
char buffer[1024];
va_list ap;
va_start(ap, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
AddPrefix(buffer);
}
void
Error::SetErrno(int e)
{
Set(errno_domain, e, strerror(e));
}
void
Error::SetErrno()
{
SetErrno(errno);
}
void
Error::SetErrno(int e, const char *prefix)
{
Format(errno_domain, e, "%s: %s", prefix, strerror(e));
}
void
Error::SetErrno(const char *prefix)
{
SetErrno(errno, prefix);
}
void
Error::FormatErrno(int e, const char *fmt, ...)
{
char buffer[1024];
va_list ap;
va_start(ap, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
SetErrno(e, buffer);
}
void
Error::FormatErrno(const char *fmt, ...)
{
const int e = errno;
char buffer[1024];
va_list ap;
va_start(ap, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
SetErrno(e, buffer);
}
#ifdef WIN32
void
Error::SetLastError(DWORD _code, const char *prefix)
{
char msg[256];
FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
nullptr, _code, 0, msg, sizeof(msg), nullptr);
Format(win32_domain, int(_code), "%s: %s", prefix, msg);
}
void
Error::SetLastError(const char *prefix)
{
SetLastError(GetLastError(), prefix);
}
void
Error::FormatLastError(DWORD _code, const char *fmt, ...)
{
char buffer[1024];
va_list ap;
va_start(ap, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
SetLastError(_code, buffer);
}
void
Error::FormatLastError(const char *fmt, ...)
{
DWORD _code = GetLastError();
char buffer[1024];
va_list ap;
va_start(ap, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
SetLastError(_code, buffer);
}
#endif

186
src/util/Error.hxx
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@ -1,186 +0,0 @@
/*
* Copyright (C) 2013 Max Kellermann <max@duempel.org>
*
* 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.
*
* 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
* FOUNDATION 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.
*/
#ifndef ERROR_HXX
#define ERROR_HXX
#include "check.h"
#include "Compiler.h"
#include <string>
#include <utility>
#include <exception>
#include <assert.h>
class Domain;
/** Domain for std::exception */
extern const Domain exception_domain;
extern const Domain errno_domain;
#ifdef WIN32
/* fuck WIN32! */
#include <windows.h>
#define IgnoreError MPDIgnoreError
#undef GetMessage
/**
* Domain for GetLastError().
*/
extern const Domain win32_domain;
#endif
/**
* This class contains information about a runtime error.
*/
class Error {
const Domain *domain;
int code;
std::string message;
public:
Error():domain(nullptr), code(0) {}
Error(const Domain &_domain, int _code, const char *_message)
:domain(&_domain), code(_code), message(_message) {}
Error(const Domain &_domain, const char *_message)
:domain(&_domain), code(0), message(_message) {}
~Error();
bool IsDefined() const {
return domain != nullptr;
}
void Clear() {
domain = nullptr;
}
const Domain &GetDomain() const {
assert(IsDefined());
return *domain;
}
bool IsDomain(const Domain &other) const {
return domain == &other;
}
int GetCode() const {
assert(IsDefined());
return code;
}
const char *GetMessage() const {
assert(IsDefined());
return message.c_str();
}
void Set(const Error &other) {
assert(!IsDefined());
assert(other.IsDefined());
domain = other.domain;
code = other.code;
message = other.message;
}
void Set(std::exception_ptr src);
void Set(const Domain &_domain, int _code, const char *_message);
void Set(const Domain &_domain, const char *_message) {
Set(_domain, 0, _message);
}
private:
void Format2(const Domain &_domain, int _code, const char *fmt, ...);
public:
template<typename... Args>
void Format(const Domain &_domain, int _code,
const char *fmt, Args&&... args) {
Format2(_domain, _code, fmt, std::forward<Args>(args)...);
}
template<typename... Args>
void Format(const Domain &_domain, const char *fmt, Args&&... args) {
Format2(_domain, 0, fmt, std::forward<Args>(args)...);
}
void AddPrefix(const char *prefix) {
message.insert(0, prefix);
}
gcc_printf(2,3)
void FormatPrefix(const char *fmt, ...);
void SetErrno(int e);
void SetErrno();
void SetErrno(int e, const char *prefix);
void SetErrno(const char *prefix);
gcc_printf(2,3)
void FormatErrno(const char *prefix, ...);
gcc_printf(3,4)
void FormatErrno(int e, const char *prefix, ...);
#ifdef WIN32
void SetLastError(DWORD _code, const char *prefix);
void SetLastError(const char *prefix);
gcc_printf(3,4)
void FormatLastError(DWORD code, const char *fmt, ...);
gcc_printf(2,3)
void FormatLastError(const char *fmt, ...);
#endif
};
/**
* Pass a temporary instance of this class to ignore errors.
*/
class IgnoreError final {
Error error;
public:
operator Error &() {
assert(!error.IsDefined());
return error;
}
};
#endif

1
test/TestFs.cxx
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@ -4,7 +4,6 @@
#include "config.h"
#include "fs/Glob.hxx"
#include "util/Error.hxx"
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/TestFactoryRegistry.h>

1
test/TestIcu.cxx
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@ -6,7 +6,6 @@
#include "lib/icu/Converter.hxx"
#include "util/AllocatedString.hxx"
#include "util/StringAPI.hxx"
#include "util/Error.hxx"
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/TestFactoryRegistry.h>

3
test/WriteFile.cxx
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@ -20,7 +20,6 @@
#include "config.h"
#include "fs/io/FileOutputStream.hxx"
#include "Log.hxx"
#include "util/Error.hxx"
#include <unistd.h>
#include <errno.h>
@ -32,8 +31,6 @@
static bool
Copy(OutputStream &dest, int src)
{
Error error;
while (true) {
uint8_t buffer[8192];
ssize_t nbytes = read(src, buffer, sizeof(buffer));

1
test/read_mixer.cxx
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@ -25,7 +25,6 @@
#include "Main.hxx"
#include "event/Loop.hxx"
#include "config/Block.hxx"
#include "util/Error.hxx"
#include "Log.hxx"
#include <assert.h>

1
test/run_gunzip.cxx
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@ -22,7 +22,6 @@
#include "fs/io/FileReader.hxx"
#include "fs/io/StdioOutputStream.hxx"
#include "Log.hxx"
#include "util/Error.hxx"
#include <stdio.h>
#include <stdlib.h>

1
test/run_storage.cxx
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@ -23,7 +23,6 @@
#include "storage/Registry.hxx"
#include "storage/StorageInterface.hxx"
#include "storage/FileInfo.hxx"
#include "util/Error.hxx"
#include <memory>
#include <stdexcept>

2
test/test_rewind.cxx
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@ -7,7 +7,6 @@
#include "input/InputStream.hxx"
#include "thread/Mutex.hxx"
#include "thread/Cond.hxx"
#include "util/Error.hxx"
#include <cppunit/TestFixture.h>
#include <cppunit/extensions/TestFactoryRegistry.h>
@ -73,7 +72,6 @@ public:
CPPUNIT_ASSERT(!ris->KnownSize());
CPPUNIT_ASSERT_EQUAL(offset_type(0), ris->GetOffset());
Error error;
char buffer[16];
size_t nbytes = ris->Read(buffer, 2);
CPPUNIT_ASSERT_EQUAL(size_t(2), nbytes);

1
test/test_translate_song.cxx
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@ -15,7 +15,6 @@
#include "Log.hxx"
#include "db/DatabaseSong.hxx"
#include "storage/plugins/LocalStorage.hxx"
#include "util/Error.hxx"
#include "Mapper.hxx"
#include <cppunit/TestFixture.h>