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Improve escaped character parsing

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This commit is contained in:
Sofia 2026-04-16 20:45:11 +03:00
parent 63584525f2
commit c4837ca9b0
1 changed files with 24 additions and 5 deletions
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23
src/tokens.cpp
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@ -17,6 +17,25 @@ static bool iswhitespace(char& character) {
static std::optional<char> get_escaped(std::string_view inspected) {
if (inspected == "n")
return '\n';
if (inspected == "r")
return '\r';
if (inspected == "t")
return '\t';
if (inspected.size() <= 3) {
for (char c : inspected) {
std::cout << c << std::endl;
if (!std::isdigit(c))
return {};
if (std::stoi(std::string{ c }) > 8)
return {};
}
unsigned int x;
std::stringstream ss;
ss << std::oct << inspected;
ss >> x;
return static_cast<char>(x);
}
return {};
}
@ -162,15 +181,15 @@ namespace token {
std::string escaped_content{};
if ((i + 1) >= text_length) break;
auto potential = get_escaped(escaped_content + text[++i]);
std::cout << "\"" << escaped_content << "\"" << std::endl;
while (potential.has_value() && (i + 1) < text_length) {
escaped_content += text[i];
std::cout << "\"" << escaped_content << "\"" << std::endl;
potential = get_escaped(escaped_content + text[++i]);
}
if (escaped_content.size() > 0) {
auto escaped = get_escaped(escaped_content);
if (escaped.has_value())
content += *escaped;
}
c = text[i];
}