int config_read(config_t *config, FILE *stream)
{
yyscan_t scanner;
struct parse_context ctx;
int r;
/* Reinitialize the config (keep the destructor) */
void (*destructor)(void *) = config->destructor;
config_destroy(config);
config_init(config);
config->destructor = destructor;
ctx.config = config;
ctx.parent = config->root;
ctx.setting = config->root;
__config_locale_override();
libconfig_yylex_init(&scanner);
libconfig_yyrestart(stream, scanner);
r = libconfig_yyparse(scanner, &ctx);
libconfig_yylex_destroy(scanner);
__config_locale_restore();
return(r == 0 ? CONFIG_TRUE : CONFIG_FALSE);
}
void config_write(const config_t *config, FILE *stream)
{
__config_locale_override();
__config_write_setting(config->root, stream, 0, config->tab_width);
__config_locale_restore();
}
static int __config_read(config_t *config, FILE *stream, const char *filename,
const char *str)
{
yyscan_t scanner;
struct scan_context scan_ctx;
struct parse_context parse_ctx;
YY_BUFFER_STATE buffer = NULL;
int r;
/* Reinitialize the config */
void (*destructor)(void *) = config->destructor;
unsigned short tab_width = config->tab_width;
unsigned short flags = config->flags;
config_destroy(config);
config_init(config);
config->destructor = destructor;
config->tab_width = tab_width;
config->flags = flags;
parsectx_init(&parse_ctx);
parse_ctx.config = config;
parse_ctx.parent = config->root;
parse_ctx.setting = config->root;
__config_locale_override();
scanctx_init(&scan_ctx, filename);
scan_ctx.config = config;
libconfig_yylex_init_extra(&scan_ctx, &scanner);
if(stream)
libconfig_yyrestart(stream, scanner);
else /* read from string */
buffer = libconfig_yy_scan_string(str, scanner);
r = libconfig_yyparse(scanner, &parse_ctx, &scan_ctx);
if(r != 0)
{
config->error_file = scanctx_current_filename(&scan_ctx);
config->error_type = CONFIG_ERR_PARSE;
}
libconfig_yylex_destroy(scanner);
config->filenames = scanctx_cleanup(&scan_ctx, &(config->num_filenames));
parsectx_cleanup(&parse_ctx);
__config_locale_restore();
return(r == 0 ? CONFIG_TRUE : CONFIG_FALSE);
}
static int __config_read(config_t *config, FILE *stream, const char *filename,
const char *str)
{
yyscan_t scanner;
struct scan_context scan_ctx;
struct parse_context parse_ctx;
int r;
/* Reinitialize the config */
void (*destructor)(void *) = config->destructor;
const char *include_dir = config->include_dir;
unsigned short tab_width = config->tab_width;
int options = config->options;
config->include_dir = NULL;
config_destroy(config);
config_init(config);
config->destructor = destructor;
config->include_dir = include_dir;
config->tab_width = tab_width;
config->options = options;
parsectx_init(&parse_ctx);
parse_ctx.config = config;
parse_ctx.parent = config->root;
parse_ctx.setting = config->root;
__config_locale_override();
scanctx_init(&scan_ctx, filename);
config->root->file = scanctx_current_filename(&scan_ctx);
scan_ctx.config = config;
libconfig_yylex_init_extra(&scan_ctx, &scanner);
if(stream)
libconfig_yyrestart(stream, scanner);
else /* read from string */
(void)libconfig_yy_scan_string(str, scanner);
libconfig_yyset_lineno(1, scanner);
r = libconfig_yyparse(scanner, &parse_ctx, &scan_ctx);
if(r != 0)
{
YY_BUFFER_STATE buf;
config->error_file = scanctx_current_filename(&scan_ctx);
config->error_type = CONFIG_ERR_PARSE;
/* Unwind the include stack, freeing the buffers and closing the files. */
while((buf = (YY_BUFFER_STATE)scanctx_pop_include(&scan_ctx)) != NULL)
libconfig_yy_delete_buffer(buf, scanner);
}
libconfig_yylex_destroy(scanner);
config->filenames = scanctx_cleanup(&scan_ctx, &(config->num_filenames));
parsectx_cleanup(&parse_ctx);
__config_locale_restore();
return(r == 0 ? CONFIG_TRUE : CONFIG_FALSE);
}