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xo-indentlog: refactor: move escaping feature to own function

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This commit is contained in:
Roland Conybeare 2024-05-01 22:20:53 -04:00
commit 088fd9b32c
1 changed files with 25 additions and 19 deletions
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44
include/xo/indentlog/print/quoted.hpp
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@ -35,24 +35,9 @@ namespace xo {
bool unq_flag() const { return unq_flag_; }
T const & value() const { return value_; }
void print(std::ostream & os) const {
std::string xs = xo::tostr(value_);
if (xs.empty()) {
/* always print empty string as "" */
os << "\"\"";
} else if ((xs.at(0) == '<') && (xs.at(xs.size() - 1) == '>')) {
/* assume string represents output of a well-formed object printer,
* and already self-escapes
*/
os << xs;
} else if (xs.find_first_of(" \"\n\r\\") == std::string::npos) {
/* no escapes needed, just print xs */
if (unq_flag_)
os << xs;
else
os << "\"" << xs << "\"";
} else {
void print_with_escapes(const std::string & xs,
std::ostream & os) const
{
/* printed value contains a space
* and/or a must-be-escaped character.
* in any case, need quotes
@ -82,7 +67,7 @@ namespace xo {
os << "\\r";
break;
case '\\':
/* \ => \\ (mind c++ requires we escape \) */
/* \ => \\ (mind c++ requires we escape \) */
os << "\\\\";
break;
default:
@ -93,6 +78,27 @@ namespace xo {
os << "\"";
}
void print(std::ostream & os) const {
std::string xs = xo::tostr(value_);
if (xs.empty()) {
/* always print empty string as "" */
os << "\"\"";
} else if ((xs.at(0) == '<') && (xs.at(xs.size() - 1) == '>')) {
/* assume string represents output of a well-formed object printer,
* and already self-escapes
*/
os << xs;
} else if (xs.find_first_of(" \"\n\r\\") == std::string::npos) {
/* no escapes needed, just print xs */
if (unq_flag_)
os << xs;
else
os << "\"" << xs << "\"";
} else {
this->print_with_escapes(xs, os);
}
} /*print*/
private: