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ReplaceExtName supported find splite_char from left.

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hyzboy 2025-03-03 22:58:44 +08:00
parent b5ef4424d4
commit 3f5baa99d0
1 changed files with 15 additions and 2 deletions
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17
inc/hgl/filesystem/Filename.h
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@ -341,13 +341,26 @@ namespace hgl
return(true); return(true);
} }
/**
* 替换文件扩展名
* @param old_name 旧文件名
* @param new_extname 新扩展名
* @param split_char 拆分字符(默认为.)
* @param from_right 是否从右边开始查找(默认为true)
* @return 新的文件名
*/
template<typename T> template<typename T>
inline String<T> ReplaceExtName(const String<T> &old_name,const String<T> &new_extname,const T split_char='.') inline String<T> ReplaceExtName(const String<T> &old_name,const String<T> &new_extname,const T split_char='.',const bool from_right=true)
{ {
if(old_name.Length()<=1) if(old_name.Length()<=1)
return(String<T>::charOf(split_char)+new_extname); return(String<T>::charOf(split_char)+new_extname);
const int pos=old_name.FindRightChar(split_char); int pos;
if(from_right)
pos=old_name.FindRightChar(split_char);
else
pos=old_name.FindChar(split_char);
if(pos!=-1) if(pos!=-1)
return old_name.SubString(0,pos+1)+new_extname; return old_name.SubString(0,pos+1)+new_extname;