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Introduce std::string_view into wider use (#14368)

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sfan5 2024-02-17 15:35:33 +01:00 • committed by GitHub
parent fa47af737f
commit 6ca214fefc
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GPG key ID: B5690EEEBB952194
74 changed files with 501 additions and 456 deletions
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19
src/util/base64.cpp
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@ -45,15 +45,15 @@ static inline bool is_base64(unsigned char c)
|| c == '+' || c == '/';
}
bool base64_is_valid(std::string const& s)
bool base64_is_valid(std::string_view s)
{
size_t i = 0;
for (; i < s.size(); ++i)
if (!is_base64(s[i]))
break;
unsigned char padding = 3 - ((i + 3) % 4);
if ((padding == 1 && base64_chars_padding_1.find(s[i - 1]) == std::string::npos)
|| (padding == 2 && base64_chars_padding_2.find(s[i - 1]) == std::string::npos)
if ((padding == 1 && base64_chars_padding_1.find(s[i - 1]) == s.npos)
|| (padding == 2 && base64_chars_padding_2.find(s[i - 1]) == s.npos)
|| padding == 3)
return false;
int actual_padding = s.size() - i;
@ -69,8 +69,14 @@ bool base64_is_valid(std::string const& s)
return padding == actual_padding;
}
std::string base64_encode(unsigned char const* bytes_to_encode, unsigned int in_len) {
std::string base64_encode(std::string_view s)
{
const unsigned char *bytes_to_encode = reinterpret_cast<const unsigned char*>(s.data());
size_t in_len = s.size();
std::string ret;
ret.reserve(in_len + in_len / 3);
int i = 0;
int j = 0;
unsigned char char_array_3[3];
@ -110,16 +116,17 @@ std::string base64_encode(unsigned char const* bytes_to_encode, unsigned int in_
}
return ret;
}
std::string base64_decode(std::string const& encoded_string) {
std::string base64_decode(std::string_view encoded_string)
{
int in_len = encoded_string.size();
int i = 0;
int j = 0;
int in_ = 0;
unsigned char char_array_4[4], char_array_3[3];
std::string ret;
ret.reserve(in_len / 4 * 3);
while (in_len-- && ( encoded_string[in_] != '=') && is_base64(encoded_string[in_])) {
char_array_4[i++] = encoded_string[in_]; in_++;