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add additional overloads for Poco::format

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This commit is contained in:
Günter Obiltschnig 2020-01-24 13:42:46 +01:00
parent 35ce47c66e
commit 701a34f2e7
1 changed files with 39 additions and 11 deletions
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50
Foundation/include/Poco/Format.h
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@ -70,7 +70,7 @@ std::string Foundation_API format(const std::string& fmt, const Any& value);
/// * - left align the result within the given field width
/// * + prefix the output value with a sign (+ or -) if the output value is of a signed type
/// * 0 if width is prefixed with 0, zeros are added until the minimum width is reached
/// * # For o, x, X, the # flag prefixes any nonzero output value with 0, 0x, or 0X, respectively;
/// * # For o, x, X, the # flag prefixes any nonzero output value with 0, 0x, or 0X, respectively;
/// for e, E, f, the # flag forces the output value to contain a decimal point in all cases.
///
/// The following modifiers are supported:
@ -93,9 +93,9 @@ std::string Foundation_API format(const std::string& fmt, const Any& value);
/// Throws an InvalidArgumentException if an argument index is out of range.
///
/// Starting with release 1.4.3, an argument that does not match the format
/// specifier no longer results in a BadCastException. The string [ERRFMT] is
/// specifier no longer results in a BadCastException. The string [ERRFMT] is
/// written to the result string instead.
///
///
/// If there are more format specifiers than values, the format specifiers without a corresponding value
/// are copied verbatim to output.
///
@ -115,9 +115,9 @@ void Foundation_API format(std::string& result, const std::string& fmt, const st
template <
typename T,
typename T,
typename... Args>
void format(std::string &result, const std::string &fmt, T arg1, Args... args)
void format(std::string& result, const std::string& fmt, T arg1, Args... args)
/// Appends the formatted string to result.
{
std::vector<Any> values;
@ -126,14 +126,42 @@ void format(std::string &result, const std::string &fmt, T arg1, Args... args)
values.insert(values.end(), { args... });
format(result, fmt, values);
}
template <
typename FMT,
typename T,
typename... Args,
typename std::enable_if<std::is_const<typename std::remove_reference<FMT>::type>::value, int>::type = 0>
std::string format(FMT &fmt, T arg1, Args... args)
typename T,
typename... Args>
void format(std::string& result, const char* fmt, T arg1, Args... args)
/// Appends the formatted string to result.
{
std::vector<Any> values;
values.reserve(sizeof...(Args) + 1);
values.emplace_back(arg1);
values.insert(values.end(), { args... });
format(result, fmt, values);
}
template <
typename T,
typename... Args>
std::string format(const std::string& fmt, T arg1, Args... args)
/// Returns the formatted string.
{
std::vector<Any> values;
values.reserve(sizeof...(Args) + 1);
values.emplace_back(arg1);
values.insert(values.end(), { args... });
std::string result;
format(result, fmt, values);
return result;
}
template <
typename T,
typename... Args>
std::string format(const char* fmt, T arg1, Args... args)
/// Returns the formatted string.
{
std::vector<Any> values;