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to_json: use letter escapes #125

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to_json: use letter escapes #125

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10 changes: 10 additions & 0 deletions include/eosio/to_json.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,16 @@ void to_json(std::string_view sv, S& stream) {
stream.write("\\\"", 2);
} else if (*begin == '\\') {
stream.write("\\\\", 2);
} else if (*begin == '\b') {
stream.write("\\b", 2);
} else if (*begin == '\f') {
stream.write("\\f", 2);
} else if (*begin == '\n') {
stream.write("\\n", 2);
} else if (*begin == '\r') {
stream.write("\\r", 2);
} else if (*begin == '\t') {
stream.write("\\t", 2);
} else {
stream.write("\\u00", 4);
stream.write(hex_digits[(unsigned char)(*begin) >> 4]);
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4 changes: 3 additions & 1 deletion src/test.cpp
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Expand Up @@ -570,7 +570,9 @@ void check_types() {
check_type(context, 0, "string", R"("' + '*'.repeat(128) + '")");
check_type(context, 0, "string", R"("\u0000 这是一个测试 Это тест هذا اختبار 👍")");
check(abieos_bin_to_json(context, 0, "string", "\x11invalid utf8: \xff\xfe\xfd", 18) == std::string(R"("invalid utf8: ???")"), "invalid utf8");
check(abieos_bin_to_json(context, 0, "string", "\4\xe8\xbf\x99\n", 5) == std::string("\"\xe8\xbf\x99\\u000A\""), "escaping");
check(abieos_bin_to_json(context, 0, "string", "\x08\xe8\xbf\x99\b\f\n\r\t", 9) ==
std::string("\"\xe8\xbf\x99\\b\\f\\n\\r\\t\""),
"escaping");
check_error(context, "Stream overrun", [&] { return abieos_hex_to_json(context, 0, "string", "01"); });
check_type(context, 0, "checksum160", R"("0000000000000000000000000000000000000000")");
check_type(context, 0, "checksum160", R"("123456789ABCDEF01234567890ABCDEF70123456")");
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