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xo-indentlog: bugfix: escaped special chars behaving unexpectedly

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This commit is contained in:
Roland Conybeare 2024-04-28 14:46:34 -04:00
commit 86c6bbe806
2 changed files with 28 additions and 12 deletions
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5
include/xo/indentlog/print/quoted.hpp
View file

@ -74,11 +74,12 @@ namespace xo {
break;
case '\n':
/* newline -> \n */
os << "\\\n";
/* somehow attempt to escape the newline triggers collapse */
os << "\\n";
break;
case '\r':
/* cr -> \r */
os << "\\\r";
os << "\\r";
break;
case '\\':
/* \ => \\ (mind c++ requires we escape \) */

35
utest/quoted.test.cpp
View file

@ -12,7 +12,7 @@ namespace ut {
struct quoted_tcase {
quoted_tcase() = default;
quoted_tcase(std::string x, bool unq_flag, std::string s)
: x_{x}, unq_flag_{unq_flag}, s_{std::move(s)} {}
: x_{std::move(x)}, unq_flag_{unq_flag}, s_{std::move(s)} {}
/* string to be printed-in-machine-readable-form */
std::string x_;
@ -33,30 +33,37 @@ namespace ut {
quoted_tcase("foo", true, "foo"),
quoted_tcase("foo", false, "\"foo\""),
quoted_tcase("foo\n", true, "\"foo\\\n\""),
quoted_tcase("foo\n", false, "\"foo\\\n\""),
quoted_tcase("foo\n", true, "\"foo\\n\""),
quoted_tcase("foo\n", false, "\"foo\n\""), /* writes "foo\n", but gets turned into newline somewhere */
quoted_tcase("two words", true, "\"two words\""),
quoted_tcase("two words", false, "\"two words\""),
quoted_tcase("1st\n2nd", true, "\"1st\\\n2nd\""),
quoted_tcase("1st\n2nd", true, "\"1st\\\n2nd\""),
quoted_tcase("1st\n2nd", true, "\"1st\\n2nd\""),
quoted_tcase("1st\n2nd", false, "\"1st\n2nd\""),
quoted_tcase("misakte\rfix", true, "\"misakte\\\rfix\""),
quoted_tcase("misakte\rfix", true, "\"misakte\\\rfix\""),
quoted_tcase("misakte\rfix", true, "\"misakte\\rfix\""),
quoted_tcase("misakte\rfix", false, "\"misakte\rfix\""),
quoted_tcase("\"oh!\", she said", true, "\"\\\"oh!\\\", she said\""),
quoted_tcase("\"oh!\", she said", false, "\"\\\"oh!\\\", she said\""),
quoted_tcase("<object printer output>", true, "<object printer output>"),
quoted_tcase("<object printer output>", false, "<object printer output>"),
quoted_tcase("<object printer output>", false, "\"<object printer output>\""),
});
TEST_CASE("quoted", "[quoted]") {
for (std::uint32_t i_tc = 0, z_tc = s_quoted_tcase_v.size(); i_tc < z_tc; ++i_tc) {
quoted_tcase const & tc = s_quoted_tcase_v[i_tc];
INFO(tostr(xtag("i_tc", i_tc), xtag("x", tc.x_), xtag("unq_flag", tc.unq_flag_)));
INFO(tostr("i_tc=", i_tc, " unq_flag=", tc.unq_flag_));
INFO("tc.x_ ----------------");
INFO(tostr("[", tc.x_, "]"));
INFO("tc.x_ ----------------");
bool special_char = (tc.x_.find_first_of(" \"\n\r\\") != std::string::npos);
INFO(tostr("special_char=", special_char));
std::stringstream ss;
if (tc.unq_flag_)
@ -64,9 +71,17 @@ namespace ut {
else
ss << quoted(tc.x_);
INFO(xtag("ss.str", ss.str()));
INFO("tc.s ----------------");
INFO(tostr("[", tc.s_, "]"));
INFO("tc.s ----------------");
INFO("ss.str ----------------");
INFO(tostr("[", ss.str(), "]"));
INFO("ss.str ----------------");
REQUIRE(ss.str() == tc.s_);
if (ss.str() != tc.s_)
break;
}
REQUIRE(s_quoted_tcase_v.size() > 1);