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Use error handler to report errors

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This commit is contained in:
Victor Zverovich
2017-11-19 07:36:01 -08:00
parent 5a32e64b05
commit c523dd584f
4 changed files with 14 additions and 28 deletions
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22
include/fmt/format.h
View File

@@ -2018,18 +2018,18 @@ class context_base : public parse_context<Char>{
basic_args<Context> args() const { return args_; }
// Returns the argument with specified index.
format_arg do_get_arg(unsigned arg_index, const char *&error) {
format_arg do_get_arg(unsigned arg_index) {
format_arg arg = args_[arg_index];
if (!arg && !error)
error = "argument index out of range";
if (!arg)
this->on_error("argument index out of range");
return arg;
}
// Checks if manual indexing is used and returns the argument with
// specified index.
format_arg get_arg(unsigned arg_index, const char *&error) {
format_arg get_arg(unsigned arg_index) {
return this->check_no_auto_index() ?
this->do_get_arg(arg_index, error) : format_arg();
this->do_get_arg(arg_index) : format_arg();
}
public:
@@ -2751,19 +2751,11 @@ class basic_context :
: Base(format_str, args) {}
format_arg next_arg() {
const char *error = 0;
format_arg arg = this->do_get_arg(this->next_arg_index(), error);
if (error)
FMT_THROW(format_error(error));
return arg;
return this->do_get_arg(this->next_arg_index());
}
format_arg get_arg(unsigned arg_index) {
const char *error = 0;
format_arg arg = this->do_get_arg(arg_index, error);
if (error)
FMT_THROW(format_error(error));
return arg;
return this->do_get_arg(arg_index);
}
// Checks if manual indexing is used and returns the argument with

15
include/fmt/printf.h
View File

@@ -367,18 +367,9 @@ template <typename Char, typename AF>
typename printf_context<Char, AF>::format_arg printf_context<Char, AF>::get_arg(
iterator it, unsigned arg_index) {
(void)it;
const char *error = 0;
format_arg arg;
if (arg_index == std::numeric_limits<unsigned>::max()) {
arg_index = this->next_arg_index();
if (!error)
arg = this->do_get_arg(arg_index, error);
} else {
arg = Base::get_arg(arg_index - 1, error);
}
if (error)
FMT_THROW(format_error(!*it ? "invalid format string" : error));
return arg;
if (arg_index == std::numeric_limits<unsigned>::max())
return this->do_get_arg(this->next_arg_index());
return Base::get_arg(arg_index - 1);
}
template <typename Char, typename AF>