void
mack::options::configuration_file::parse(
std::string const& content,
mack::options::program_options* options)
{
if (options == NULL)
{
BOOST_THROW_EXCEPTION(mack::core::null_pointer_error());
}
size_t line_number = 1;
size_t line_start = 0;
size_t line_end = content.find('\n', line_start);
while (line_end != std::string::npos)
{
do_parse_line(
content.substr(line_start, line_end - line_start), options,
line_number);
// prepare for next line
++line_number;
line_start = line_end + 1;
line_end = content.find('\n', line_start);
}
do_parse_line(
content.substr(line_start), options,
line_number);
}
bool config_parse_file(
const char *file_name,
const struct config_entry *config_table, size_t config_size)
{
FILE *input = fopen(file_name, "r");
if (!TEST_NULL_(input, "Unable to open config file \"%s\"", file_name))
return false;
/* Array of seen flags for each configuration entry, used to ensure that
* every needed configuration setting is set. */
bool seen[config_size];
memset(seen, 0, sizeof(seen));
/* Process each line in the file. */
bool ok = true;
bool eof = false;
int line_number = 0;
while (ok && !eof)
{
char line_buffer[LINE_SIZE];
ok =
read_line(
input, line_buffer, sizeof(line_buffer), &line_number, &eof) &&
do_parse_line(
file_name, line_number, line_buffer,
config_table, config_size, seen);
}
fclose(input);
/* Check that all required entries were present. */
errno = 0; // Can linger over into error reporting
for (size_t i = 0; ok && i < config_size; i ++)
ok = TEST_OK_(seen[i] || config_table[i].optional,
"No value specified for parameter: %s", config_table[i].name);
return ok;
}
