2 * Copyright (c) 2005 Zed A. Shaw
3 * You can redistribute it and/or modify it under the same terms as Ruby.
12 #define LEN(AT, FPC) (FPC - buffer - parser->AT)
13 #define MARK(M,FPC) (parser->M = (FPC) - buffer)
14 #define PTR_TO(F) (buffer + parser->F)
22 action mark {MARK(mark, fpc); }
25 action start_field { MARK(field_start, fpc); }
27 parser->field_len = LEN(field_start, fpc);
30 action start_value { MARK(mark, fpc); }
32 parser->http_field(parser->data, PTR_TO(field_start), parser->field_len, PTR_TO(mark), LEN(mark, fpc));
34 action request_method {
35 parser->request_method(parser->data, PTR_TO(mark), LEN(mark, fpc));
38 parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, fpc));
41 parser->fragment(parser->data, PTR_TO(mark), LEN(mark, fpc));
44 action start_query {MARK(query_start, fpc); }
46 parser->query_string(parser->data, PTR_TO(query_start), LEN(query_start, fpc));
50 parser->http_version(parser->data, PTR_TO(mark), LEN(mark, fpc));
54 parser->request_path(parser->data, PTR_TO(mark), LEN(mark,fpc));
58 parser->body_start = fpc - buffer + 1;
59 parser->header_done(parser->data, fpc + 1, pe - fpc - 1);
63 include http_parser_common "common.rl";
70 int http_parser_init(http_parser *parser) {
74 parser->body_start = 0;
75 parser->content_len = 0;
78 parser->field_len = 0;
79 parser->field_start = 0;
86 size_t http_parser_execute(http_parser *parser, const char *buffer, size_t len, size_t off) {
90 assert(off <= len && "offset past end of buffer");
95 assert(*pe == '\0' && "pointer does not end on NUL");
96 assert(pe - p == len - off && "pointers aren't same distance");
102 parser->nread += p - (buffer + off);
104 assert(p <= pe && "buffer overflow after parsing execute");
105 assert(parser->nread <= len && "nread longer than length");
106 assert(parser->body_start <= len && "body starts after buffer end");
107 assert(parser->mark < len && "mark is after buffer end");
108 assert(parser->field_len <= len && "field has length longer than whole buffer");
109 assert(parser->field_start < len && "field starts after buffer end");
111 if(parser->body_start) {
112 /* final \r\n combo encountered so stop right here */
117 return(parser->nread);
120 int http_parser_finish(http_parser *parser)
128 if (http_parser_has_error(parser) ) {
130 } else if (http_parser_is_finished(parser) ) {
137 int http_parser_has_error(http_parser *parser) {
138 return parser->cs == http_parser_error;
141 int http_parser_is_finished(http_parser *parser) {
142 return parser->cs == http_parser_first_final;