bsnes/nall/location.hpp

79 lines
2.4 KiB
C++
Executable File

#pragma once
#include <nall/string.hpp>
namespace nall::Location {
// (/parent/child.type/)
// (/parent/child.type/)name.type
inline auto path(string_view self) -> string {
const char* p = self.data() + self.size() - 1;
for(int offset = self.size() - 1; offset >= 0; offset--, p--) {
if(*p == '/') return slice(self, 0, offset + 1);
}
return ""; //no path found
}
// /parent/child.type/()
// /parent/child.type/(name.type)
inline auto file(string_view self) -> string {
const char* p = self.data() + self.size() - 1;
for(int offset = self.size() - 1; offset >= 0; offset--, p--) {
if(*p == '/') return slice(self, offset + 1);
}
return self; //no path found
}
// (/parent/)child.type/
// (/parent/child.type/)name.type
inline auto dir(string_view self) -> string {
const char* p = self.data() + self.size() - 1, *last = p;
for(int offset = self.size() - 1; offset >= 0; offset--, p--) {
if(*p == '/' && p == last) continue;
if(*p == '/') return slice(self, 0, offset + 1);
}
return ""; //no path found
}
// /parent/(child.type/)
// /parent/child.type/(name.type)
inline auto base(string_view self) -> string {
const char* p = self.data() + self.size() - 1, *last = p;
for(int offset = self.size() - 1; offset >= 0; offset--, p--) {
if(*p == '/' && p == last) continue;
if(*p == '/') return slice(self, offset + 1);
}
return self; //no path found
}
// /parent/(child).type/
// /parent/child.type/(name).type
inline auto prefix(string_view self) -> string {
const char* p = self.data() + self.size() - 1, *last = p;
for(int offset = self.size() - 1, suffix = -1; offset >= 0; offset--, p--) {
if(*p == '/' && p == last) continue;
if(*p == '/') return slice(self, offset + 1, (suffix >= 0 ? suffix : self.size()) - offset - 1).trimRight("/");
if(*p == '.' && suffix == -1) { suffix = offset; continue; }
if(offset == 0) return slice(self, offset, suffix).trimRight("/");
}
return ""; //no prefix found
}
// /parent/child(.type)/
// /parent/child.type/name(.type)
inline auto suffix(string_view self) -> string {
const char* p = self.data() + self.size() - 1, *last = p;
for(int offset = self.size() - 1; offset >= 0; offset--, p--) {
if(*p == '/' && p == last) continue;
if(*p == '/') break;
if(*p == '.') return slice(self, offset).trimRight("/");
}
return ""; //no suffix found
}
inline auto notsuffix(string_view self) -> string {
return {path(self), prefix(self)};
}
}