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#include <iomanip>
#include <ostream>
#include <sstream>
#include "ansicolor.hh"
#include "escape-char.hh"
#include "english.hh"
#include "escape-string.hh"
#include "print-elided.hh"
namespace nix {
std::ostream &
escapeString(std::ostream & output, std::string_view string, EscapeStringOptions options)
{
size_t charsPrinted = 0;
if (options.outputAnsiColors) {
output << ANSI_MAGENTA;
}
output << "\"";
for (auto i = string.begin(); i != string.end(); ++i) {
if (charsPrinted >= options.maxLength) {
output << "\" ";
printElided(
output, string.length() - charsPrinted, "byte", "bytes", options.outputAnsiColors
);
return output;
}
if (*i == '\"' || *i == '\\') {
output << "\\" << *i;
} else if (*i == '\n') {
output << "\\n";
} else if (*i == '\r') {
output << "\\r";
} else if (*i == '\t') {
output << "\\t";
} else if (*i == '$' && *(i + 1) == '{') {
output << "\\" << *i;
} else if (options.escapeNonPrinting && !isprint(*i)) {
output << MaybeHexEscapedChar{*i};
} else {
output << *i;
}
charsPrinted++;
}
output << "\"";
if (options.outputAnsiColors) {
output << ANSI_NORMAL;
}
return output;
}
std::string escapeString(std::string_view s, EscapeStringOptions options)
{
std::ostringstream output;
escapeString(output, s, options);
return output.str();
}
}; // namespace nix
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