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git-svn-id: svn+ssh://rubyforge.org/var/svn/mongrel/trunk@673 19e92222-5c0b-0410-8929-a290d50e31e9
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evanweaver 2007-10-17 07:03:44 +00:00
parent a2523523e0
commit 6d91530c8d
1 changed files with 2 additions and 99 deletions
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99
ext/http11_java/http11_parser.rl
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@ -4,104 +4,7 @@ import org.jruby.util.ByteList;
public class Http11Parser {
/** machine **/
%%{
machine http_parser;
action mark {parser.mark = fpc; }
action start_field { parser.field_start = fpc; }
action write_field {
parser.field_len = fpc-parser.field_start;
}
action start_value { parser.mark = fpc; }
action write_value {
if(parser.http_field != null) {
parser.http_field.call(parser.data, parser.field_start, parser.field_len, parser.mark, fpc-parser.mark);
}
}
action request_method {
if(parser.request_method != null)
parser.request_method.call(parser.data, parser.mark, fpc-parser.mark);
}
action request_uri {
if(parser.request_uri != null)
parser.request_uri.call(parser.data, parser.mark, fpc-parser.mark);
}
action start_query {parser.query_start = fpc; }
action query_string {
if(parser.query_string != null)
parser.query_string.call(parser.data, parser.query_start, fpc-parser.query_start);
}
action http_version {
if(parser.http_version != null)
parser.http_version.call(parser.data, parser.mark, fpc-parser.mark);
}
action request_path {
if(parser.request_path != null)
parser.request_path.call(parser.data, parser.mark, fpc-parser.mark);
}
action done {
parser.body_start = fpc + 1;
if(parser.header_done != null)
parser.header_done.call(parser.data, fpc + 1, pe - fpc - 1);
fbreak;
}
#### HTTP PROTOCOL GRAMMAR
# line endings
CRLF = "\r\n";
# character types
CTL = (cntrl | 127);
safe = ("$" | "-" | "_" | ".");
extra = ("!" | "*" | "'" | "(" | ")" | ",");
reserved = (";" | "/" | "?" | ":" | "@" | "&" | "=" | "+");
unsafe = (CTL | " " | "\"" | "#" | "%" | "<" | ">");
national = any -- (alpha | digit | reserved | extra | safe | unsafe);
unreserved = (alpha | digit | safe | extra | national);
escape = ("%" xdigit xdigit);
uchar = (unreserved | escape);
pchar = (uchar | ":" | "@" | "&" | "=" | "+");
tspecials = ("(" | ")" | "<" | ">" | "@" | "," | ";" | ":" | "\\" | "\"" | "/" | "[" | "]" | "?" | "=" | "{" | "}" | " " | "\t");
# elements
token = (ascii -- (CTL | tspecials));
# URI schemes and absolute paths
scheme = ( alpha | digit | "+" | "-" | "." )* ;
absolute_uri = (scheme ":" (uchar | reserved )*);
path = (pchar+ ( "/" pchar* )*) ;
query = ( uchar | reserved )* %query_string ;
param = ( pchar | "/" )* ;
params = (param ( ";" param )*) ;
rel_path = (path? %request_path (";" params)?) ("?" %start_query query)?;
absolute_path = ("/"+ rel_path);
Request_URI = ("*" | absolute_uri | absolute_path) >mark %request_uri;
Method = (upper | digit | safe){1,20} >mark %request_method;
http_number = (digit+ "." digit+) ;
HTTP_Version = ("HTTP/" http_number) >mark %http_version ;
Request_Line = (Method " " Request_URI " " HTTP_Version CRLF) ;
field_name = (token -- ":")+ >start_field %write_field;
field_value = any* >start_value %write_value;
message_header = field_name ":" " "* field_value :> CRLF;
Request = Request_Line (message_header)* ( CRLF @done);
main := Request;
}%%
/** Machine **/
/** Data **/
%% write data;