mirror of https://github.com/bsnes-emu/bsnes.git
77 lines
2.4 KiB
C++
77 lines
2.4 KiB
C++
#pragma once
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namespace nall { namespace Location {
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// (/parent/child.type/)
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// (/parent/child.type/)name.type
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inline auto path(string_view self) -> string {
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const char* p = self.data() + self.size() - 1;
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for(int offset = self.size() - 1; offset >= 0; offset--, p--) {
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if(*p == '/') return slice(self, 0, offset + 1);
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}
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return ""; //no path found
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}
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// /parent/child.type/()
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// /parent/child.type/(name.type)
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inline auto file(string_view self) -> string {
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const char* p = self.data() + self.size() - 1;
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for(int offset = self.size() - 1; offset >= 0; offset--, p--) {
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if(*p == '/') return slice(self, offset + 1);
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}
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return self; //no path found
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}
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// (/parent/)child.type/
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// (/parent/child.type/)name.type
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inline auto dir(string_view self) -> string {
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const char* p = self.data() + self.size() - 1, *last = p;
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for(int offset = self.size() - 1; offset >= 0; offset--, p--) {
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if(*p == '/' && p == last) continue;
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if(*p == '/') return slice(self, 0, offset + 1);
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}
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return ""; //no path found
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}
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// /parent/(child.type/)
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// /parent/child.type/(name.type)
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inline auto base(string_view self) -> string {
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const char* p = self.data() + self.size() - 1, *last = p;
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for(int offset = self.size() - 1; offset >= 0; offset--, p--) {
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if(*p == '/' && p == last) continue;
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if(*p == '/') return slice(self, offset + 1);
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}
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return self; //no path found
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}
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// /parent/(child).type/
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// /parent/child.type/(name).type
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inline auto prefix(string_view self) -> string {
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const char* p = self.data() + self.size() - 1, *last = p;
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for(int offset = self.size() - 1, suffix = -1; offset >= 0; offset--, p--) {
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if(*p == '/' && p == last) continue;
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if(*p == '/') return slice(self, offset + 1, suffix >= 0 ? suffix - offset - 1 : 0).trimRight("/");
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if(*p == '.' && suffix == -1) { suffix = offset; continue; }
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if(offset == 0) return slice(self, offset, suffix).trimRight("/");
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}
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return ""; //no prefix found
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}
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// /parent/child(.type)/
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// /parent/child.type/name(.type)
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inline auto suffix(string_view self) -> string {
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const char* p = self.data() + self.size() - 1, *last = p;
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for(int offset = self.size() - 1; offset >= 0; offset--, p--) {
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if(*p == '/' && p == last) continue;
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if(*p == '/') break;
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if(*p == '.') return slice(self, offset).trimRight("/");
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}
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return ""; //no suffix found
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}
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inline auto notsuffix(string_view self) -> string {
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return {path(self), prefix(self)};
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}
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}}
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