r3/include/r3.h

139 lines
2.9 KiB
C

/*
* r3.h
* Copyright (C) 2014 c9s <c9s@c9smba.local>
*
* Distributed under terms of the MIT license.
*/
#ifndef NODE_H
#define NODE_H
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <pcre.h>
#include <gvc.h>
#include "str_array.h"
#define node_edge_pattern(node,i) node->edges[i]->pattern
#define node_edge_pattern_len(node,i) node->edges[i]->pattern_len
struct _edge;
struct _node;
typedef struct _edge edge;
typedef struct _node node;
struct _node {
edge ** edges;
int edge_len;
int edge_cap;
/** compile-time variables here.... **/
/* the combined regexp pattern string from pattern_tokens */
char * combined_pattern;
int combined_pattern_len;
pcre * pcre_pattern;
pcre_extra * pcre_extra;
int ov_cnt;
int * ov;
/**
* the pointer of route structure
*/
void * route_ptr;
int endpoint;
};
struct _edge {
char * pattern;
int pattern_len;
bool has_slug;
node * child;
};
typedef struct {
str_array * vars;
char * path; // current path to dispatch
int path_len; // the length of the current path
void * route_ptr; // route ptr
int request_method; // current request method
char * host; // the request host
int host_len;
char * remote_addr;
int remote_addr_len;
} match_entry;
typedef struct {
char * path;
int path_len;
int request_methods; // can be (GET || POST)
char * host; // required host name
int host_len;
char * remote_addr_pattern;
int remote_addr_pattern_len;
} route_info;
node * r3_tree_create(int cap);
node * r3_node_create();
void r3_tree_free(node * tree);
void r3_edge_free(edge * edge);
edge * r3_tree_add_child(node * n, char * pat , node *child);
edge * r3_node_find_edge(node * n, char * pat);
void r3_tree_append_edge(node *n, edge *child);
node * r3_tree_insert_path(node *tree, char *route, void * route_ptr);
node * r3_tree_insert_pathn(node *tree, char *route, int route_len, void * route_ptr);
void r3_tree_dump(node * n, int level);
int r3_tree_render_file(node * tree, char * format, char * filename);
int r3_tree_render_dot(node * tree);
edge * r3_node_find_edge_str(node * n, char * str, int str_len);
void r3_tree_compile(node *n);
void r3_tree_compile_patterns(node * n);
node * r3_tree_match(node * n, char * path, int path_len, match_entry * entry);
bool r3_node_has_slug_edges(node *n);
node * r3_tree_lookup(node * tree, char * path, int path_len);
edge * r3_edge_create(char * pattern, int pattern_len, node * child);
void r3_edge_branch(edge *e, int dl);
void r3_edge_free(edge * edge);
match_entry * match_entry_create(char * path, int path_len);
void match_entry_free(match_entry * entry);
void r3_tree_build_ag_nodes(Agraph_t * g, Agnode_t * ag_parent_node, node * n, int node_cnt);
#endif /* !NODE_H */