本文整理汇总了C++中wxMBConv::MB2WC方法的典型用法代码示例。如果您正苦于以下问题：C++ wxMBConv::MB2WC方法的具体用法？C++ wxMBConv::MB2WC怎么用？C++ wxMBConv::MB2WC使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类wxMBConv的用法示例。
在下文中一共展示了wxMBConv::MB2WC方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: wxCharBuffer
size_t ConvertToUTF8(const char* source, const size_t source_len, const wxMBConv& conv, wxCharBuffer& temp_buff,
size_t& temp_buff_len, wxWCharBuffer& wchar_buff, size_t& wchar_buff_len,
wxCharBuffer& utf8_buff, size_t& utf8_buff_len, size_t char_len) { // static
// We have to copy the source string to a temporary buffer so that we can
// make it null terminated.
if (temp_buff_len < source_len+char_len) {
temp_buff_len = source_len+char_len;
temp_buff = wxCharBuffer(temp_buff_len);
}
memcpy(temp_buff.data(), source, source_len);
for (unsigned int i = 0; i < char_len; ++i) temp_buff.data()[source_len+i] = '\0';
// Calculate length of conversion to widechar
size_t wchar_len = conv.MB2WC(NULL, temp_buff, 0);
if (wchar_len == (size_t)-1) return (size_t)-1; // invalid conversion
// Extend widechar buffer if needed
if (wchar_buff_len < wchar_len + sizeof(wxChar)) {
wchar_buff_len = wchar_len + sizeof(wxChar);
wchar_buff = wxWCharBuffer(wchar_buff_len);
}
// Convert to widechar
wchar_len = conv.MB2WC(wchar_buff.data(), temp_buff, wchar_buff_len);
if (wchar_len == (size_t)-1) return (size_t)-1; // invalid conversion
// Calculate length of conversion to UTF-8
size_t utf8_len = wxConvUTF8.WC2MB(NULL, wchar_buff, 0);
if (utf8_len == (size_t)-1) return (size_t)-1; // invalid conversion
// Extend UTF-8 buffer if needed
if (utf8_buff_len < utf8_len) {
utf8_buff_len = utf8_len + 1;
utf8_buff = wxCharBuffer(utf8_buff_len);
}
// Convert to UTF-8
utf8_len = wxConvUTF8.WC2MB(utf8_buff.data(), wchar_buff, utf8_buff_len);
if (utf8_len == (size_t)-1) return (size_t)-1; // invalid conversion
return utf8_len;
}