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puma--puma/ext/puma_http11/org/jruby/puma/Http11Parser.java
Charles Oliver Nutter 46709adcd3
Eliminate callback objects and indirection altogether. 
There's only ever one implementation of these, so just call them
directly.
2019-10-05 16:05:35 -05:00

455 lines
14 KiB
Java
Raw Blame History

// line 1 "ext/puma_http11/http11_parser.java.rl"
package org.jruby.puma;
import org.jruby.Ruby;
import org.jruby.RubyHash;
import org.jruby.util.ByteList;
public class Http11Parser {
/** Machine **/
// line 58 "ext/puma_http11/http11_parser.java.rl"
/** Data **/
// line 20 "ext/puma_http11/org/jruby/puma/Http11Parser.java"
private static byte[] init__puma_parser_actions_0()
{
return new byte [] {
0, 1, 0, 1, 2, 1, 3, 1, 4, 1, 5, 1,
6, 1, 7, 1, 8, 1, 9, 1, 11, 1, 12, 1,
13, 2, 0, 8, 2, 1, 2, 2, 4, 5, 2, 10,
7, 2, 12, 7, 3, 9, 10, 7
};
}
private static final byte _puma_parser_actions[] = init__puma_parser_actions_0();
private static short[] init__puma_parser_key_offsets_0()
{
return new short [] {
0, 0, 8, 17, 27, 29, 30, 31, 32, 33, 34, 36,
39, 41, 44, 45, 61, 62, 78, 80, 81, 89, 97, 107,
115, 124, 132, 140, 149, 158, 167, 176, 185, 194, 203, 212,
221, 230, 239, 248, 257, 266, 275, 284, 293, 302, 303
};
}
private static final short _puma_parser_key_offsets[] = init__puma_parser_key_offsets_0();
private static char[] init__puma_parser_trans_keys_0()
{
return new char [] {
36, 95, 45, 46, 48, 57, 65, 90, 32, 36, 95, 45,
46, 48, 57, 65, 90, 42, 43, 47, 58, 45, 57, 65,
90, 97, 122, 32, 35, 72, 84, 84, 80, 47, 48, 57,
46, 48, 57, 48, 57, 13, 48, 57, 10, 13, 33, 124,
126, 35, 39, 42, 43, 45, 46, 48, 57, 65, 90, 94,
122, 10, 33, 58, 124, 126, 35, 39, 42, 43, 45, 46,
48, 57, 65, 90, 94, 122, 13, 32, 13, 32, 60, 62,
127, 0, 31, 34, 35, 32, 60, 62, 127, 0, 31, 34,
35, 43, 58, 45, 46, 48, 57, 65, 90, 97, 122, 32,
34, 35, 60, 62, 127, 0, 31, 32, 34, 35, 60, 62,
63, 127, 0, 31, 32, 34, 35, 60, 62, 127, 0, 31,
32, 34, 35, 60, 62, 127, 0, 31, 32, 36, 95, 45,
46, 48, 57, 65, 90, 32, 36, 95, 45, 46, 48, 57,
65, 90, 32, 36, 95, 45, 46, 48, 57, 65, 90, 32,
36, 95, 45, 46, 48, 57, 65, 90, 32, 36, 95, 45,
46, 48, 57, 65, 90, 32, 36, 95, 45, 46, 48, 57,
65, 90, 32, 36, 95, 45, 46, 48, 57, 65, 90, 32,
36, 95, 45, 46, 48, 57, 65, 90, 32, 36, 95, 45,
46, 48, 57, 65, 90, 32, 36, 95, 45, 46, 48, 57,
65, 90, 32, 36, 95, 45, 46, 48, 57, 65, 90, 32,
36, 95, 45, 46, 48, 57, 65, 90, 32, 36, 95, 45,
46, 48, 57, 65, 90, 32, 36, 95, 45, 46, 48, 57,
65, 90, 32, 36, 95, 45, 46, 48, 57, 65, 90, 32,
36, 95, 45, 46, 48, 57, 65, 90, 32, 36, 95, 45,
46, 48, 57, 65, 90, 32, 36, 95, 45, 46, 48, 57,
65, 90, 32, 0
};
}
private static final char _puma_parser_trans_keys[] = init__puma_parser_trans_keys_0();
private static byte[] init__puma_parser_single_lengths_0()
{
return new byte [] {
0, 2, 3, 4, 2, 1, 1, 1, 1, 1, 0, 1,
0, 1, 1, 4, 1, 4, 2, 1, 4, 4, 2, 6,
7, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 0
};
}
private static final byte _puma_parser_single_lengths[] = init__puma_parser_single_lengths_0();
private static byte[] init__puma_parser_range_lengths_0()
{
return new byte [] {
0, 3, 3, 3, 0, 0, 0, 0, 0, 0, 1, 1,
1, 1, 0, 6, 0, 6, 0, 0, 2, 2, 4, 1,
1, 1, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3,
3, 3, 3, 3, 3, 3, 3, 3, 3, 0, 0
};
}
private static final byte _puma_parser_range_lengths[] = init__puma_parser_range_lengths_0();
private static short[] init__puma_parser_index_offsets_0()
{
return new short [] {
0, 0, 6, 13, 21, 24, 26, 28, 30, 32, 34, 36,
39, 41, 44, 46, 57, 59, 70, 73, 75, 82, 89, 96,
104, 113, 121, 129, 136, 143, 150, 157, 164, 171, 178, 185,
192, 199, 206, 213, 220, 227, 234, 241, 248, 255, 257
};
}
private static final short _puma_parser_index_offsets[] = init__puma_parser_index_offsets_0();
private static byte[] init__puma_parser_indicies_0()
{
return new byte [] {
0, 0, 0, 0, 0, 1, 2, 3, 3, 3, 3, 3,
1, 4, 5, 6, 7, 5, 5, 5, 1, 8, 9, 1,
10, 1, 11, 1, 12, 1, 13, 1, 14, 1, 15, 1,
16, 15, 1, 17, 1, 18, 17, 1, 19, 1, 20, 21,
21, 21, 21, 21, 21, 21, 21, 21, 1, 22, 1, 23,
24, 23, 23, 23, 23, 23, 23, 23, 23, 1, 26, 27,
25, 29, 28, 30, 1, 1, 1, 1, 1, 31, 32, 1,
1, 1, 1, 1, 33, 34, 35, 34, 34, 34, 34, 1,
8, 1, 9, 1, 1, 1, 1, 35, 36, 1, 38, 1,
1, 39, 1, 1, 37, 40, 1, 42, 1, 1, 1, 1,
41, 43, 1, 45, 1, 1, 1, 1, 44, 2, 46, 46,
46, 46, 46, 1, 2, 47, 47, 47, 47, 47, 1, 2,
48, 48, 48, 48, 48, 1, 2, 49, 49, 49, 49, 49,
1, 2, 50, 50, 50, 50, 50, 1, 2, 51, 51, 51,
51, 51, 1, 2, 52, 52, 52, 52, 52, 1, 2, 53,
53, 53, 53, 53, 1, 2, 54, 54, 54, 54, 54, 1,
2, 55, 55, 55, 55, 55, 1, 2, 56, 56, 56, 56,
56, 1, 2, 57, 57, 57, 57, 57, 1, 2, 58, 58,
58, 58, 58, 1, 2, 59, 59, 59, 59, 59, 1, 2,
60, 60, 60, 60, 60, 1, 2, 61, 61, 61, 61, 61,
1, 2, 62, 62, 62, 62, 62, 1, 2, 63, 63, 63,
63, 63, 1, 2, 1, 1, 0
};
}
private static final byte _puma_parser_indicies[] = init__puma_parser_indicies_0();
private static byte[] init__puma_parser_trans_targs_0()
{
return new byte [] {
2, 0, 3, 27, 4, 22, 24, 23, 5, 20, 6, 7,
8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 46, 17,
18, 19, 14, 18, 19, 14, 5, 21, 5, 21, 22, 23,
5, 24, 20, 25, 5, 26, 20, 5, 26, 20, 28, 29,
30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41,
42, 43, 44, 45
};
}
private static final byte _puma_parser_trans_targs[] = init__puma_parser_trans_targs_0();
private static byte[] init__puma_parser_trans_actions_0()
{
return new byte [] {
1, 0, 11, 0, 1, 1, 1, 1, 13, 13, 1, 0,
0, 0, 0, 0, 0, 0, 19, 0, 0, 28, 23, 3,
5, 7, 31, 7, 0, 9, 25, 1, 15, 0, 0, 0,
37, 0, 37, 21, 40, 17, 40, 34, 0, 34, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0
};
}
private static final byte _puma_parser_trans_actions[] = init__puma_parser_trans_actions_0();
static final int puma_parser_start = 1;
static final int puma_parser_first_final = 46;
static final int puma_parser_error = 0;
static final int puma_parser_en_main = 1;
// line 62 "ext/puma_http11/http11_parser.java.rl"
public static interface ElementCB {
public void call(Ruby runtime, RubyHash data, ByteList buffer, int at, int length);
}
public static interface FieldCB {
public void call(Ruby runtime, RubyHash data, ByteList buffer, int field, int flen, int value, int vlen);
}
public static class HttpParser {
int cs;
int body_start;
int content_len;
int nread;
int mark;
int field_start;
int field_len;
int query_start;
RubyHash data;
ByteList buffer;
public void init() {
cs = 0;
// line 218 "ext/puma_http11/org/jruby/puma/Http11Parser.java"
{
cs = puma_parser_start;
}
// line 90 "ext/puma_http11/http11_parser.java.rl"
body_start = 0;
content_len = 0;
mark = 0;
nread = 0;
field_len = 0;
field_start = 0;
}
}
public final HttpParser parser = new HttpParser();
public int execute(Ruby runtime, Http11 http, ByteList buffer, int off) {
int p, pe;
int cs = parser.cs;
int len = buffer.length();
assert off<=len : "offset past end of buffer";
p = off;
pe = len;
// get a copy of the bytes, since it may not start at 0
// FIXME: figure out how to just use the bytes in-place
byte[] data = buffer.bytes();
parser.buffer = buffer;
// line 250 "ext/puma_http11/org/jruby/puma/Http11Parser.java"
{
int _klen;
int _trans = 0;
int _acts;
int _nacts;
int _keys;
int _goto_targ = 0;
_goto: while (true) {
switch ( _goto_targ ) {
case 0:
if ( p == pe ) {
_goto_targ = 4;
continue _goto;
}
if ( cs == 0 ) {
_goto_targ = 5;
continue _goto;
}
case 1:
_match: do {
_keys = _puma_parser_key_offsets[cs];
_trans = _puma_parser_index_offsets[cs];
_klen = _puma_parser_single_lengths[cs];
if ( _klen > 0 ) {
int _lower = _keys;
int _mid;
int _upper = _keys + _klen - 1;
while (true) {
if ( _upper < _lower )
break;
_mid = _lower + ((_upper-_lower) >> 1);
if ( data[p] < _puma_parser_trans_keys[_mid] )
_upper = _mid - 1;
else if ( data[p] > _puma_parser_trans_keys[_mid] )
_lower = _mid + 1;
else {
_trans += (_mid - _keys);
break _match;
}
}
_keys += _klen;
_trans += _klen;
}
_klen = _puma_parser_range_lengths[cs];
if ( _klen > 0 ) {
int _lower = _keys;
int _mid;
int _upper = _keys + (_klen<<1) - 2;
while (true) {
if ( _upper < _lower )
break;
_mid = _lower + (((_upper-_lower) >> 1) & ~1);
if ( data[p] < _puma_parser_trans_keys[_mid] )
_upper = _mid - 2;
else if ( data[p] > _puma_parser_trans_keys[_mid+1] )
_lower = _mid + 2;
else {
_trans += ((_mid - _keys)>>1);
break _match;
}
}
_trans += _klen;
}
} while (false);
_trans = _puma_parser_indicies[_trans];
cs = _puma_parser_trans_targs[_trans];
if ( _puma_parser_trans_actions[_trans] != 0 ) {
_acts = _puma_parser_trans_actions[_trans];
_nacts = (int) _puma_parser_actions[_acts++];
while ( _nacts-- > 0 )
{
switch ( _puma_parser_actions[_acts++] )
{
case 0:
// line 15 "ext/puma_http11/http11_parser.java.rl"
{parser.mark = p; }
break;
case 1:
// line 17 "ext/puma_http11/http11_parser.java.rl"
{ parser.field_start = p; }
break;
case 2:
// line 18 "ext/puma_http11/http11_parser.java.rl"
{ /* FIXME stub */ }
break;
case 3:
// line 19 "ext/puma_http11/http11_parser.java.rl"
{
parser.field_len = p-parser.field_start;
}
break;
case 4:
// line 23 "ext/puma_http11/http11_parser.java.rl"
{ parser.mark = p; }
break;
case 5:
// line 24 "ext/puma_http11/http11_parser.java.rl"
{
Http11.http_field(runtime, parser.data, parser.buffer, parser.field_start, parser.field_len, parser.mark, p-parser.mark);
}
break;
case 6:
// line 27 "ext/puma_http11/http11_parser.java.rl"
{
Http11.request_method(runtime, parser.data, parser.buffer, parser.mark, p-parser.mark);
}
break;
case 7:
// line 30 "ext/puma_http11/http11_parser.java.rl"
{
Http11.request_uri(runtime, parser.data, parser.buffer, parser.mark, p-parser.mark);
}
break;
case 8:
// line 33 "ext/puma_http11/http11_parser.java.rl"
{
Http11.fragment(runtime, parser.data, parser.buffer, parser.mark, p-parser.mark);
}
break;
case 9:
// line 37 "ext/puma_http11/http11_parser.java.rl"
{parser.query_start = p; }
break;
case 10:
// line 38 "ext/puma_http11/http11_parser.java.rl"
{
Http11.query_string(runtime, parser.data, parser.buffer, parser.query_start, p-parser.query_start);
}
break;
case 11:
// line 42 "ext/puma_http11/http11_parser.java.rl"
{
Http11.http_version(runtime, parser.data, parser.buffer, parser.mark, p-parser.mark);
}
break;
case 12:
// line 46 "ext/puma_http11/http11_parser.java.rl"
{
Http11.request_path(runtime, parser.data, parser.buffer, parser.mark, p-parser.mark);
}
break;
case 13:
// line 50 "ext/puma_http11/http11_parser.java.rl"
{
parser.body_start = p + 1;
http.header_done(runtime, parser.data, parser.buffer, p + 1, pe - p - 1);
{ p += 1; _goto_targ = 5; if (true) continue _goto;}
}
break;
// line 406 "ext/puma_http11/org/jruby/puma/Http11Parser.java"
}
}
}
case 2:
if ( cs == 0 ) {
_goto_targ = 5;
continue _goto;
}
if ( ++p != pe ) {
_goto_targ = 1;
continue _goto;
}
case 4:
case 5:
}
break; }
}
// line 116 "ext/puma_http11/http11_parser.java.rl"
parser.cs = cs;
parser.nread += (p - off);
assert p <= pe : "buffer overflow after parsing execute";
assert parser.nread <= len : "nread longer than length";
assert parser.body_start <= len : "body starts after buffer end";
assert parser.mark < len : "mark is after buffer end";
assert parser.field_len <= len : "field has length longer than whole buffer";
assert parser.field_start < len : "field starts after buffer end";
return parser.nread;
}
public int finish() {
if(has_error()) {
return -1;
} else if(is_finished()) {
return 1;
} else {
return 0;
}
}
public boolean has_error() {
return parser.cs == puma_parser_error;
}
public boolean is_finished() {
return parser.cs == puma_parser_first_final;
}
}
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