mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-24 04:42:11 +00:00
91 lines
No EOL
2.8 KiB
C++
91 lines
No EOL
2.8 KiB
C++
/*
|
|
* Copyright (c) 2018-2019 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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 this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stratosphere.hpp>
|
|
#include "ini.h"
|
|
|
|
namespace ams::util::ini {
|
|
|
|
/* Ensure that types are the same for Handler vs ini_handler. */
|
|
static_assert(std::is_same<Handler, ::ini_handler>::value, "Bad ini::Handler definition!");
|
|
|
|
namespace {
|
|
|
|
struct FsFileContext {
|
|
FsFile *f;
|
|
size_t offset;
|
|
size_t num_left;
|
|
|
|
explicit FsFileContext(FsFile *f) : f(f), offset(0) {
|
|
s64 size;
|
|
R_ASSERT(fsFileGetSize(this->f, &size));
|
|
this->num_left = size_t(size);
|
|
}
|
|
};
|
|
|
|
char *ini_reader_fs_file(char *str, int num, void *stream) {
|
|
FsFileContext *ctx = reinterpret_cast<FsFileContext *>(stream);
|
|
|
|
if (ctx->num_left == 0 || num < 2) {
|
|
return nullptr;
|
|
}
|
|
|
|
/* Read as many bytes as we can. */
|
|
size_t try_read = std::min(size_t(num - 1), ctx->num_left);
|
|
size_t actually_read;
|
|
R_ASSERT(fsFileRead(ctx->f, ctx->offset, str, try_read, FsReadOption_None, &actually_read));
|
|
AMS_ASSERT(actually_read == try_read);
|
|
|
|
/* Only "read" up to the first \n. */
|
|
size_t offset = actually_read;
|
|
for (size_t i = 0; i < actually_read; i++) {
|
|
if (str[i] == '\n') {
|
|
offset = i + 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Ensure null termination. */
|
|
str[offset] = '\0';
|
|
|
|
/* Update context. */
|
|
ctx->offset += offset;
|
|
ctx->num_left -= offset;
|
|
|
|
return str;
|
|
}
|
|
|
|
}
|
|
|
|
/* Utilities for dealing with INI file configuration. */
|
|
int ParseString(const char *ini_str, void *user_ctx, Handler h) {
|
|
return ini_parse_string(ini_str, h, user_ctx);
|
|
}
|
|
|
|
int ParseFile(FILE *f, void *user_ctx, Handler h) {
|
|
return ini_parse_file(f, h, user_ctx);
|
|
}
|
|
|
|
int ParseFile(FsFile *f, void *user_ctx, Handler h) {
|
|
FsFileContext ctx(f);
|
|
return ini_parse_stream(ini_reader_fs_file, &ctx, h, user_ctx);
|
|
}
|
|
|
|
int ParseFile(const char *path, void *user_ctx, Handler h) {
|
|
return ini_parse(path, h, user_ctx);
|
|
}
|
|
|
|
} |