1 // This is free and unencumbered software released into the public domain.
2 //
3 // Anyone is free to copy, modify, publish, use, compile, sell, or
4 // distribute this software, either in source code form or as a compiled
5 // binary, for any purpose, commercial or non-commercial, and by any
6 // means.
7 //
8 // In jurisdictions that recognize copyright laws, the author or authors
9 // of this software dedicate any and all copyright interest in the
10 // software to the public domain. We make this dedication for the benefit
11 // of the public at large and to the detriment of our heirs and
12 // successors. We intend this dedication to be an overt act of
13 // relinquishment in perpetuity of all present and future rights to this
14 // software under copyright law.
15 //
16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19 // IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 // OTHER DEALINGS IN THE SOFTWARE.
23 
24 use fnmatch;
25 
26 export type route = struct {
27 	pattern: str,
28 	routefn: routefn,
29 };
30 
31 export type mux = []route;
32 
33 let global: mux = [];
34 
35 export fn newmux() mux = [];
36 
37 export fn handle(pattern: str, routefn: routefn) void = {
38 	handle_mux(&global, pattern, routefn);
39 };
40 
41 export fn handle_mux(mux: *mux, pattern: str, routefn: routefn) void = {
42 	append(mux, route {
43 		pattern = pattern,
44 		routefn = routefn,
45 	});
46 };
47 
48 export fn mux_match(mux: *mux, req: *request, default: routefn) routefn = {
49 	for (let i = 0z; i < len(mux); i += 1) {
50 		if (fnmatch::fnmatch(mux[i].pattern, req.path)) {
51 			return mux[i].routefn;
52 		};
53 	};
54 
55 	return default;
56 };