98 lines
2.9 KiB
C++
98 lines
2.9 KiB
C++
#include <cstdlib>
|
|
#include <cstring>
|
|
#include <iostream>
|
|
#include <r3.hpp>
|
|
|
|
using namespace std;
|
|
|
|
void example_1() {
|
|
// create a router tree with 10 children capacity (this capacity can grow dynamically)
|
|
r3::Tree tree(10);
|
|
|
|
// insert the route path into the router tree
|
|
int route_data_1 = 1;
|
|
tree.insert_path("/bar", &route_data_1); // ignore the length of path
|
|
|
|
int route_data_2 = 2;
|
|
tree.insert_pathl("/zoo", strlen("/zoo"), &route_data_2);
|
|
int route_data_3 = 3;
|
|
tree.insert_pathl("/foo/bar", strlen("/foo/bar"), &route_data_3);
|
|
|
|
int route_data_4 = 4;
|
|
tree.insert_pathl("/post/{id}", strlen("/post/{id}") , &route_data_4);
|
|
|
|
int route_data_5 = 5;
|
|
tree.insert_pathl("/user/{id:\\d+}", strlen("/user/{id:\\d+}"),
|
|
&route_data_5);
|
|
|
|
// if you want to catch error, you may call the extended path function for insertion
|
|
int data = 10;
|
|
char* errstr;
|
|
r3::Node ret = tree.insert_pathl("/foo/{name:\\d{5}",
|
|
strlen("/foo/{name:\\d{5}"), &data, &errstr);
|
|
if (ret == NULL) {
|
|
// failed insertion
|
|
cout << "error: " << errstr << endl;
|
|
free(errstr); // errstr is created from `asprintf`, so you have to free it manually.
|
|
}
|
|
|
|
// let's compile the tree!
|
|
int err = tree.compile(&errstr);
|
|
if (err != 0) {
|
|
cout << "error: " << errstr << endl;
|
|
free(errstr); // errstr is created from `asprintf`, so you have to free it manually.
|
|
}
|
|
|
|
// dump the compiled tree
|
|
tree.dump(0);
|
|
|
|
// match a route
|
|
r3::Node matched_node = tree.matchl("/foo/bar", strlen("/foo/bar"));
|
|
if (matched_node) {
|
|
int ret = *static_cast<int*>(matched_node.data());
|
|
cout << "match path ret: " << ret << endl;
|
|
}
|
|
|
|
r3::MatchEntry entry("/foo/bar");
|
|
matched_node = tree.match_entry(entry);
|
|
if (matched_node) {
|
|
int ret = *static_cast<int*>(matched_node.data());
|
|
cout << "match entry ret: " << ret << endl;
|
|
}
|
|
}
|
|
|
|
void example_2() {
|
|
// create a router tree with 10 children capacity (this capacity can grow dynamically)
|
|
r3::Tree tree(10);
|
|
|
|
// insert the route path into the router tree
|
|
int route_data = 1;
|
|
tree.insert_routel(METHOD_GET | METHOD_POST, "/blog/post",
|
|
sizeof("/blog/post") - 1, &route_data);
|
|
|
|
char* errstr;
|
|
int err = tree.compile(&errstr);
|
|
if (err != 0) {
|
|
cout << "errstr: " << errstr << endl;
|
|
free(errstr); // errstr is created from `asprintf`, so you have to free it manually.
|
|
}
|
|
|
|
// in your http server handler
|
|
|
|
// create the match entry for capturing dynamic variables.
|
|
r3::MatchEntry entry("/blog/post");
|
|
entry.set_request_method(METHOD_GET);
|
|
|
|
r3::Route matched_route = tree.match_route(entry);
|
|
if (matched_route) {
|
|
int ret = *static_cast<int*>(matched_route.data());
|
|
cout << "match route ret: " << ret << endl;
|
|
}
|
|
}
|
|
|
|
int main() {
|
|
example_1();
|
|
example_2();
|
|
return 0;
|
|
}
|