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Remove use of exceptions.

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This commit is contained in:
Barry McNamara 2019-12-05 15:56:55 -08:00
parent b9539b8921
commit e1785d6723
1 changed files with 32 additions and 31 deletions
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63
httplib.h
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@ -1881,38 +1881,39 @@ inline bool parse_multipart_boundary(const std::string &content_type,
}
inline bool parse_range_header(const std::string &s, Ranges &ranges) {
try {
static auto re_first_range =
std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))");
std::smatch m;
if (std::regex_match(s, m, re_first_range)) {
auto pos = m.position(1);
auto len = m.length(1);
detail::split(
&s[pos], &s[pos + len], ',', [&](const char *b, const char *e) {
static auto re_another_range = std::regex(R"(\s*(\d*)-(\d*))");
std::cmatch m;
if (std::regex_match(b, e, m, re_another_range)) {
ssize_t first = -1;
if (!m.str(1).empty()) {
first = static_cast<ssize_t>(std::stoll(m.str(1)));
}
ssize_t last = -1;
if (!m.str(2).empty()) {
last = static_cast<ssize_t>(std::stoll(m.str(2)));
}
if (first != -1 && last != -1 && first > last) {
throw std::runtime_error("invalid range error");
}
ranges.emplace_back(std::make_pair(first, last));
static auto re_first_range =
std::regex(R"(bytes=(\d*-\d*(?:,\s*\d*-\d*)*))");
std::smatch m;
if (std::regex_match(s, m, re_first_range)) {
auto pos = m.position(1);
auto len = m.length(1);
bool all_valid_ranges = true;
detail::split(
&s[pos], &s[pos + len], ',', [&](const char *b, const char *e) {
if (!all_valid_ranges) return;
static auto re_another_range = std::regex(R"(\s*(\d*)-(\d*))");
std::cmatch m;
if (std::regex_match(b, e, m, re_another_range)) {
ssize_t first = -1;
if (!m.str(1).empty()) {
first = static_cast<ssize_t>(std::stoll(m.str(1)));
}
});
return true;
}
return false;
} catch (...) { return false; }
ssize_t last = -1;
if (!m.str(2).empty()) {
last = static_cast<ssize_t>(std::stoll(m.str(2)));
}
if (first != -1 && last != -1 && first > last) {
all_valid_ranges = false;
return;
}
ranges.emplace_back(std::make_pair(first, last));
}
});
return all_valid_ranges;
}
return false;
}
class MultipartFormDataParser {