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Use std::out_of_range in Utf8CharSizeAt

fix-squashed-planets
Evgeny Pestov 2022-02-14 18:33:41 +07:00
parent d9e26c2516
commit 550d0f915b
1 changed files with 9 additions and 3 deletions
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12
src/common/stringutils.cpp
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@ -156,11 +156,17 @@ std::wstring StrUtils::Utf8StringToUnicode(const std::string &str)
{
std::wstring result;
unsigned int pos = 0;
int len;
while (pos < str.size())
{
int len = StrUtils::Utf8CharSizeAt(str, pos);
if (len == 0)
try
{
len = StrUtils::Utf8CharSizeAt(str, pos);
}
catch (std::out_of_range &e)
{
break;
}
std::string ch = str.substr(pos, len);
result += static_cast<wchar_t>(StrUtils::Utf8CharToUnicode(ch));
@ -172,7 +178,7 @@ std::wstring StrUtils::Utf8StringToUnicode(const std::string &str)
int StrUtils::Utf8CharSizeAt(const std::string &str, unsigned int pos)
{
if (pos >= str.size())
return 0;
throw std::out_of_range("Index is greater than size");
const char c = str[pos];
if((c & 0b1000'0000) == 0b0000'0000)