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Minor tweaks to the named arguments support code

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* Restore privacy of FormatterBase
* Pass BasicStringRef by value
* Comment on why some overloads of arg are deleted
* Set next_arg_index_ in check_no_auto_index
* A few minor stylistic changes for simplicity & consistency with other code
This commit is contained in:
vitaut
2015-06-11 07:19:00 -07:00
parent b83ab16676
commit fccff7be5f
2 changed files with 21 additions and 22 deletions
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25
format.cc
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@@ -590,7 +590,7 @@ void fmt::internal::ArgMap<Char>::init(const ArgList &args) {
if (!map_.empty())
return;
typedef internal::NamedArg<Char> NamedArg;
const NamedArg* named_arg = 0;
const NamedArg *named_arg = 0;
bool use_values =
args.type(ArgList::MAX_PACKED_ARGS - 1) == internal::Arg::NONE;
if (use_values) {
@@ -733,11 +733,10 @@ void fmt::BasicWriter<Char>::write_str(
template <typename Char>
inline Arg fmt::BasicFormatter<Char>::get_arg(
const BasicStringRef<Char>& arg_name, const char *&error) {
BasicStringRef<Char> arg_name, const char *&error) {
if (check_no_auto_index(error)) {
next_arg_index_ = -1;
map_.init(args_);
const Arg* arg = map_.find(arg_name);
map_.init(args());
const Arg *arg = map_.find(arg_name);
if (arg)
return *arg;
error = "argument not found";
@@ -794,21 +793,19 @@ inline Arg fmt::internal::FormatterBase::next_arg(const char *&error) {
return Arg();
}
inline bool fmt::internal::FormatterBase::check_no_auto_index(const char *&error) {
inline bool fmt::internal::FormatterBase::check_no_auto_index(
const char *&error) {
if (next_arg_index_ > 0) {
error = "cannot switch from automatic to manual argument indexing";
return false;
}
next_arg_index_ = -1;
return true;
}
inline Arg fmt::internal::FormatterBase::get_arg(
unsigned arg_index, const char *&error) {
if (check_no_auto_index(error)) {
next_arg_index_ = -1;
return do_get_arg(arg_index, error);
}
return Arg();
return check_no_auto_index(error) ? do_get_arg(arg_index, error) : Arg();
}
template <typename Char>
@@ -1131,7 +1128,8 @@ const Char *fmt::BasicFormatter<Char>::format(
spec.width_ = parse_nonnegative_int(s);
} else if (*s == '{') {
++s;
const Arg &width_arg = is_name_start(*s) ? parse_arg_name(s) : parse_arg_index(s);
Arg width_arg = is_name_start(*s) ?
parse_arg_name(s) : parse_arg_index(s);
if (*s++ != '}')
FMT_THROW(FormatError("invalid format string"));
ULongLong value = 0;
@@ -1168,7 +1166,8 @@ const Char *fmt::BasicFormatter<Char>::format(
spec.precision_ = parse_nonnegative_int(s);
} else if (*s == '{') {
++s;
const Arg &precision_arg = is_name_start(*s) ? parse_arg_name(s) : parse_arg_index(s);
Arg precision_arg =
is_name_start(*s) ? parse_arg_name(s) : parse_arg_index(s);
if (*s++ != '}')
FMT_THROW(FormatError("invalid format string"));
ULongLong value = 0;