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Location: cpp/openttd-patchpack/source/src/ini.cpp
r23747:51ed0eb3338a
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Update: Translations from eints
hungarian: 7 changes by Brumi
hungarian: 7 changes by Brumi
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | /* $Id$ */
/*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD 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 General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file ini.cpp Definition of the IniItem class, related to reading/writing '*.ini' files. */
#include "stdafx.h"
#include "debug.h"
#include "ini_type.h"
#include "string_func.h"
#include "fileio_func.h"
#if (defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309L) || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 500)
# include <unistd.h>
#endif
#ifdef _WIN32
# include <windows.h>
# include <shellapi.h>
# include "core/mem_func.hpp"
#endif
#include "safeguards.h"
/**
* Create a new ini file with given group names.
* @param list_group_names A \c nullptr terminated list with group names that should be loaded as lists instead of variables. @see IGT_LIST
*/
IniFile::IniFile(const char * const *list_group_names) : IniLoadFile(list_group_names)
{
}
/**
* Save the Ini file's data to the disk.
* @param filename the file to save to.
* @return true if saving succeeded.
*/
bool IniFile::SaveToDisk(const char *filename)
{
/*
* First write the configuration to a (temporary) file and then rename
* that file. This to prevent that when OpenTTD crashes during the save
* you end up with a truncated configuration file.
*/
char file_new[MAX_PATH];
strecpy(file_new, filename, lastof(file_new));
strecat(file_new, ".new", lastof(file_new));
FILE *f = fopen(file_new, "w");
if (f == nullptr) return false;
for (const IniGroup *group = this->group; group != nullptr; group = group->next) {
if (group->comment) fputs(group->comment, f);
fprintf(f, "[%s]\n", group->name);
for (const IniItem *item = group->item; item != nullptr; item = item->next) {
if (item->comment != nullptr) fputs(item->comment, f);
/* protect item->name with quotes if needed */
if (strchr(item->name, ' ') != nullptr ||
item->name[0] == '[') {
fprintf(f, "\"%s\"", item->name);
} else {
fprintf(f, "%s", item->name);
}
fprintf(f, " = %s\n", item->value == nullptr ? "" : item->value);
}
}
if (this->comment) fputs(this->comment, f);
/*
* POSIX (and friends) do not guarantee that when a file is closed it is
* flushed to the disk. So we manually flush it do disk if we have the
* APIs to do so. We only need to flush the data as the metadata itself
* (modification date etc.) is not important to us; only the real data is.
*/
#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
int ret = fdatasync(fileno(f));
fclose(f);
if (ret != 0) return false;
#else
fclose(f);
#endif
#if defined(_WIN32)
/* _tcsncpy = strcpy is TCHAR is char, but isn't when TCHAR is wchar. */
#undef strncpy
/* Allocate space for one more \0 character. */
TCHAR tfilename[MAX_PATH + 1], tfile_new[MAX_PATH + 1];
_tcsncpy(tfilename, OTTD2FS(filename), MAX_PATH);
_tcsncpy(tfile_new, OTTD2FS(file_new), MAX_PATH);
/* SHFileOperation wants a double '\0' terminated string. */
tfilename[MAX_PATH - 1] = '\0';
tfile_new[MAX_PATH - 1] = '\0';
tfilename[_tcslen(tfilename) + 1] = '\0';
tfile_new[_tcslen(tfile_new) + 1] = '\0';
/* Rename file without any user confirmation. */
SHFILEOPSTRUCT shfopt;
MemSetT(&shfopt, 0);
shfopt.wFunc = FO_MOVE;
shfopt.fFlags = FOF_NOCONFIRMATION | FOF_NOCONFIRMMKDIR | FOF_NOERRORUI | FOF_SILENT;
shfopt.pFrom = tfile_new;
shfopt.pTo = tfilename;
SHFileOperation(&shfopt);
#else
if (rename(file_new, filename) < 0) {
DEBUG(misc, 0, "Renaming %s to %s failed; configuration not saved", file_new, filename);
}
#endif
return true;
}
/* virtual */ FILE *IniFile::OpenFile(const char *filename, Subdirectory subdir, size_t *size)
{
/* Open the text file in binary mode to prevent end-of-line translations
* done by ftell() and friends, as defined by K&R. */
return FioFOpenFile(filename, "rb", subdir, size);
}
/* virtual */ void IniFile::ReportFileError(const char * const pre, const char * const buffer, const char * const post)
{
ShowInfoF("%s%s%s", pre, buffer, post);
}
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