initial commitHEADmaster

7 files changed, 1966 insertions, 0 deletions

diff --git a/code/spyglass/ext/spyglass_parser/common.rl b/code/spyglass/ext/spyglass_parser/common.rl
new file mode 100644
index 0000000..df7afc0
--- /dev/null
+++ b/code/spyglass/ext/spyglass_parser/common.rl
@@ -0,0 +1,55 @@
+%%{
+  
+  machine http_parser_common;
+
+#### HTTP PROTOCOL GRAMMAR
+# line endings
+  CRLF = "\r\n";
+
+# character types
+  CTL = (cntrl | 127);
+  safe = ("$" | "-" | "_" | ".");
+  extra = ("!" | "*" | "'" | "(" | ")" | ",");
+  reserved = (";" | "/" | "?" | ":" | "@" | "&" | "=" | "+");
+  sorta_safe = ("\"" | "<" | ">");
+  unsafe = (CTL | " " | "#" | "%" | sorta_safe);
+  national = any -- (alpha | digit | reserved | extra | safe | unsafe);
+  unreserved = (alpha | digit | safe | extra | national);
+  escape = ("%" "u"? xdigit xdigit);
+  uchar = (unreserved | escape | sorta_safe);
+  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? (";" params)? %request_path) ("?" %start_query query)?;
+  absolute_path = ( "/"+ rel_path );
+
+  Request_URI = ( "*" | absolute_uri | absolute_path ) >mark %request_uri;
+  Fragment = ( uchar | reserved )* >mark %fragment;
+  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 ("#" Fragment){0,1} " " 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;
+
+}%%
diff --git a/code/spyglass/ext/spyglass_parser/ext_help.h b/code/spyglass/ext/spyglass_parser/ext_help.h
new file mode 100644
index 0000000..8b4d754
--- /dev/null
+++ b/code/spyglass/ext/spyglass_parser/ext_help.h
@@ -0,0 +1,14 @@
+#ifndef ext_help_h
+#define ext_help_h
+
+#define RAISE_NOT_NULL(T) if(T == NULL) rb_raise(rb_eArgError, "NULL found for " # T " when shouldn't be.");
+#define DATA_GET(from,type,name) Data_Get_Struct(from,type,name); RAISE_NOT_NULL(name);
+#define REQUIRE_TYPE(V, T) if(TYPE(V) != T) rb_raise(rb_eTypeError, "Wrong argument type for " # V " required " # T);
+
+#ifdef DEBUG
+#define TRACE()  fprintf(stderr, "> %s:%d:%s\n", __FILE__, __LINE__, __FUNCTION__)
+#else
+#define TRACE() 
+#endif
+
+#endif
diff --git a/code/spyglass/ext/spyglass_parser/extconf.rb b/code/spyglass/ext/spyglass_parser/extconf.rb
new file mode 100644
index 0000000..44bae83
--- /dev/null
+++ b/code/spyglass/ext/spyglass_parser/extconf.rb
@@ -0,0 +1,6 @@
+require 'mkmf'
+
+dir_config("spyglass_parser")
+have_library("c", "main")
+
+create_makefile("spyglass_parser")
diff --git a/code/spyglass/ext/spyglass_parser/parser.c b/code/spyglass/ext/spyglass_parser/parser.c
new file mode 100644
index 0000000..53329b0
--- /dev/null
+++ b/code/spyglass/ext/spyglass_parser/parser.c
@@ -0,0 +1,1249 @@
+
+#line 1 "parser.rl"
+/**
+ * Copyright (c) 2005 Zed A. Shaw
+ * You can redistribute it and/or modify it under the same terms as Ruby.
+ */
+#include "parser.h"
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+
+#define LEN(AT, FPC) (FPC - buffer - parser->AT)
+#define MARK(M,FPC) (parser->M = (FPC) - buffer)
+#define PTR_TO(F) (buffer + parser->F)
+
+/** Machine **/
+
+
+#line 81 "parser.rl"
+
+
+/** Data **/
+
+#line 27 "parser.c"
+static const int http_parser_start = 1;
+static const int http_parser_first_final = 58;
+static const int http_parser_error = 0;
+
+static const int http_parser_en_main = 1;
+
+
+#line 85 "parser.rl"
+
+int spyglass_http_parser_init(http_parser *parser)  {
+  int cs = 0;
+  
+#line 40 "parser.c"
+	{
+	cs = http_parser_start;
+	}
+
+#line 89 "parser.rl"
+  parser->cs = cs;
+  parser->body_start = 0;
+  parser->content_len = 0;
+  parser->mark = 0;
+  parser->nread = 0;
+  parser->field_len = 0;
+  parser->field_start = 0;    
+
+  return(1);
+}
+
+
+/** exec **/
+size_t spyglass_http_parser_execute(http_parser *parser, const char *buffer, size_t len, size_t off)  {
+  const char *p, *pe;
+  int cs = parser->cs;
+
+  assert(off <= len && "offset past end of buffer");
+
+  p = buffer+off;
+  pe = buffer+len;
+
+  assert(*pe == '\0' && "pointer does not end on NUL");
+  assert(pe - p == len - off && "pointers aren't same distance");
+
+
+  
+#line 73 "parser.c"
+	{
+	if ( p == pe )
+		goto _test_eof;
+	switch ( cs )
+	{
+case 1:
+	switch( (*p) ) {
+		case 36: goto tr0;
+		case 95: goto tr0;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto tr0;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto tr0;
+	} else
+		goto tr0;
+	goto st0;
+st0:
+cs = 0;
+	goto _out;
+tr0:
+#line 22 "parser.rl"
+	{MARK(mark, p); }
+	goto st2;
+st2:
+	if ( ++p == pe )
+		goto _test_eof2;
+case 2:
+#line 104 "parser.c"
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st39;
+		case 95: goto st39;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st39;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st39;
+	} else
+		goto st39;
+	goto st0;
+tr2:
+#line 36 "parser.rl"
+	{ 
+    if (parser->request_method != NULL) {
+      parser->request_method(parser->data, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st3;
+st3:
+	if ( ++p == pe )
+		goto _test_eof3;
+case 3:
+#line 131 "parser.c"
+	switch( (*p) ) {
+		case 42: goto tr4;
+		case 43: goto tr5;
+		case 47: goto tr6;
+		case 58: goto tr7;
+	}
+	if ( (*p) < 65 ) {
+		if ( 45 <= (*p) && (*p) <= 57 )
+			goto tr5;
+	} else if ( (*p) > 90 ) {
+		if ( 97 <= (*p) && (*p) <= 122 )
+			goto tr5;
+	} else
+		goto tr5;
+	goto st0;
+tr4:
+#line 22 "parser.rl"
+	{MARK(mark, p); }
+	goto st4;
+st4:
+	if ( ++p == pe )
+		goto _test_eof4;
+case 4:
+#line 155 "parser.c"
+	switch( (*p) ) {
+		case 32: goto tr8;
+		case 35: goto tr9;
+	}
+	goto st0;
+tr8:
+#line 41 "parser.rl"
+	{
+    if (parser->request_uri != NULL) {
+      parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st5;
+tr31:
+#line 22 "parser.rl"
+	{MARK(mark, p); }
+#line 46 "parser.rl"
+	{ 
+    if (parser->fragment != NULL) {
+      parser->fragment(parser->data, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st5;
+tr34:
+#line 46 "parser.rl"
+	{ 
+    if (parser->fragment != NULL) {
+      parser->fragment(parser->data, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st5;
+tr44:
+#line 65 "parser.rl"
+	{
+    if (parser->request_path != NULL) {
+      parser->request_path(parser->data, PTR_TO(mark), LEN(mark,p));
+    }
+  }
+#line 41 "parser.rl"
+	{
+    if (parser->request_uri != NULL) {
+      parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st5;
+tr51:
+#line 52 "parser.rl"
+	{MARK(query_start, p); }
+#line 53 "parser.rl"
+	{ 
+    if (parser->query_string != NULL) {
+      parser->query_string(parser->data, PTR_TO(query_start), LEN(query_start, p));
+    }
+  }
+#line 41 "parser.rl"
+	{
+    if (parser->request_uri != NULL) {
+      parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st5;
+tr55:
+#line 53 "parser.rl"
+	{ 
+    if (parser->query_string != NULL) {
+      parser->query_string(parser->data, PTR_TO(query_start), LEN(query_start, p));
+    }
+  }
+#line 41 "parser.rl"
+	{
+    if (parser->request_uri != NULL) {
+      parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st5;
+st5:
+	if ( ++p == pe )
+		goto _test_eof5;
+case 5:
+#line 235 "parser.c"
+	if ( (*p) == 72 )
+		goto tr10;
+	goto st0;
+tr10:
+#line 22 "parser.rl"
+	{MARK(mark, p); }
+	goto st6;
+st6:
+	if ( ++p == pe )
+		goto _test_eof6;
+case 6:
+#line 247 "parser.c"
+	if ( (*p) == 84 )
+		goto st7;
+	goto st0;
+st7:
+	if ( ++p == pe )
+		goto _test_eof7;
+case 7:
+	if ( (*p) == 84 )
+		goto st8;
+	goto st0;
+st8:
+	if ( ++p == pe )
+		goto _test_eof8;
+case 8:
+	if ( (*p) == 80 )
+		goto st9;
+	goto st0;
+st9:
+	if ( ++p == pe )
+		goto _test_eof9;
+case 9:
+	if ( (*p) == 47 )
+		goto st10;
+	goto st0;
+st10:
+	if ( ++p == pe )
+		goto _test_eof10;
+case 10:
+	if ( 48 <= (*p) && (*p) <= 57 )
+		goto st11;
+	goto st0;
+st11:
+	if ( ++p == pe )
+		goto _test_eof11;
+case 11:
+	if ( (*p) == 46 )
+		goto st12;
+	if ( 48 <= (*p) && (*p) <= 57 )
+		goto st11;
+	goto st0;
+st12:
+	if ( ++p == pe )
+		goto _test_eof12;
+case 12:
+	if ( 48 <= (*p) && (*p) <= 57 )
+		goto st13;
+	goto st0;
+st13:
+	if ( ++p == pe )
+		goto _test_eof13;
+case 13:
+	if ( (*p) == 13 )
+		goto tr18;
+	if ( 48 <= (*p) && (*p) <= 57 )
+		goto st13;
+	goto st0;
+tr18:
+#line 59 "parser.rl"
+	{	
+    if (parser->http_version != NULL) {
+      parser->http_version(parser->data, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st14;
+tr26:
+#line 30 "parser.rl"
+	{ MARK(mark, p); }
+#line 31 "parser.rl"
+	{ 
+    if (parser->http_field != NULL) {
+      parser->http_field(parser->data, PTR_TO(field_start), parser->field_len, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st14;
+tr29:
+#line 31 "parser.rl"
+	{ 
+    if (parser->http_field != NULL) {
+      parser->http_field(parser->data, PTR_TO(field_start), parser->field_len, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st14;
+st14:
+	if ( ++p == pe )
+		goto _test_eof14;
+case 14:
+#line 334 "parser.c"
+	if ( (*p) == 10 )
+		goto st15;
+	goto st0;
+st15:
+	if ( ++p == pe )
+		goto _test_eof15;
+case 15:
+	switch( (*p) ) {
+		case 13: goto st16;
+		case 33: goto tr21;
+		case 124: goto tr21;
+		case 126: goto tr21;
+	}
+	if ( (*p) < 45 ) {
+		if ( (*p) > 39 ) {
+			if ( 42 <= (*p) && (*p) <= 43 )
+				goto tr21;
+		} else if ( (*p) >= 35 )
+			goto tr21;
+	} else if ( (*p) > 46 ) {
+		if ( (*p) < 65 ) {
+			if ( 48 <= (*p) && (*p) <= 57 )
+				goto tr21;
+		} else if ( (*p) > 90 ) {
+			if ( 94 <= (*p) && (*p) <= 122 )
+				goto tr21;
+		} else
+			goto tr21;
+	} else
+		goto tr21;
+	goto st0;
+st16:
+	if ( ++p == pe )
+		goto _test_eof16;
+case 16:
+	if ( (*p) == 10 )
+		goto tr22;
+	goto st0;
+tr22:
+#line 71 "parser.rl"
+	{ 
+    parser->body_start = p - buffer + 1; 
+    if (parser->header_done != NULL) {
+      parser->header_done(parser->data, p + 1, pe - p - 1);
+    }
+    {p++; cs = 58; goto _out;}
+  }
+	goto st58;
+st58:
+	if ( ++p == pe )
+		goto _test_eof58;
+case 58:
+#line 387 "parser.c"
+	goto st0;
+tr21:
+#line 25 "parser.rl"
+	{ MARK(field_start, p); }
+	goto st17;
+st17:
+	if ( ++p == pe )
+		goto _test_eof17;
+case 17:
+#line 397 "parser.c"
+	switch( (*p) ) {
+		case 33: goto st17;
+		case 58: goto tr24;
+		case 124: goto st17;
+		case 126: goto st17;
+	}
+	if ( (*p) < 45 ) {
+		if ( (*p) > 39 ) {
+			if ( 42 <= (*p) && (*p) <= 43 )
+				goto st17;
+		} else if ( (*p) >= 35 )
+			goto st17;
+	} else if ( (*p) > 46 ) {
+		if ( (*p) < 65 ) {
+			if ( 48 <= (*p) && (*p) <= 57 )
+				goto st17;
+		} else if ( (*p) > 90 ) {
+			if ( 94 <= (*p) && (*p) <= 122 )
+				goto st17;
+		} else
+			goto st17;
+	} else
+		goto st17;
+	goto st0;
+tr24:
+#line 26 "parser.rl"
+	{ 
+    parser->field_len = LEN(field_start, p);
+  }
+	goto st18;
+tr27:
+#line 30 "parser.rl"
+	{ MARK(mark, p); }
+	goto st18;
+st18:
+	if ( ++p == pe )
+		goto _test_eof18;
+case 18:
+#line 436 "parser.c"
+	switch( (*p) ) {
+		case 13: goto tr26;
+		case 32: goto tr27;
+	}
+	goto tr25;
+tr25:
+#line 30 "parser.rl"
+	{ MARK(mark, p); }
+	goto st19;
+st19:
+	if ( ++p == pe )
+		goto _test_eof19;
+case 19:
+#line 450 "parser.c"
+	if ( (*p) == 13 )
+		goto tr29;
+	goto st19;
+tr9:
+#line 41 "parser.rl"
+	{
+    if (parser->request_uri != NULL) {
+      parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st20;
+tr45:
+#line 65 "parser.rl"
+	{
+    if (parser->request_path != NULL) {
+      parser->request_path(parser->data, PTR_TO(mark), LEN(mark,p));
+    }
+  }
+#line 41 "parser.rl"
+	{
+    if (parser->request_uri != NULL) {
+      parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st20;
+tr52:
+#line 52 "parser.rl"
+	{MARK(query_start, p); }
+#line 53 "parser.rl"
+	{ 
+    if (parser->query_string != NULL) {
+      parser->query_string(parser->data, PTR_TO(query_start), LEN(query_start, p));
+    }
+  }
+#line 41 "parser.rl"
+	{
+    if (parser->request_uri != NULL) {
+      parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st20;
+tr56:
+#line 53 "parser.rl"
+	{ 
+    if (parser->query_string != NULL) {
+      parser->query_string(parser->data, PTR_TO(query_start), LEN(query_start, p));
+    }
+  }
+#line 41 "parser.rl"
+	{
+    if (parser->request_uri != NULL) {
+      parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, p));
+    }
+  }
+	goto st20;
+st20:
+	if ( ++p == pe )
+		goto _test_eof20;
+case 20:
+#line 510 "parser.c"
+	switch( (*p) ) {
+		case 32: goto tr31;
+		case 35: goto st0;
+		case 37: goto tr32;
+		case 127: goto st0;
+	}
+	if ( 0 <= (*p) && (*p) <= 31 )
+		goto st0;
+	goto tr30;
+tr30:
+#line 22 "parser.rl"
+	{MARK(mark, p); }
+	goto st21;
+st21:
+	if ( ++p == pe )
+		goto _test_eof21;
+case 21:
+#line 528 "parser.c"
+	switch( (*p) ) {
+		case 32: goto tr34;
+		case 35: goto st0;
+		case 37: goto st22;
+		case 127: goto st0;
+	}
+	if ( 0 <= (*p) && (*p) <= 31 )
+		goto st0;
+	goto st21;
+tr32:
+#line 22 "parser.rl"
+	{MARK(mark, p); }
+	goto st22;
+st22:
+	if ( ++p == pe )
+		goto _test_eof22;
+case 22:
+#line 546 "parser.c"
+	if ( (*p) == 117 )
+		goto st24;
+	if ( (*p) < 65 ) {
+		if ( 48 <= (*p) && (*p) <= 57 )
+			goto st23;
+	} else if ( (*p) > 70 ) {
+		if ( 97 <= (*p) && (*p) <= 102 )
+			goto st23;
+	} else
+		goto st23;
+	goto st0;
+st23:
+	if ( ++p == pe )
+		goto _test_eof23;
+case 23:
+	if ( (*p) < 65 ) {
+		if ( 48 <= (*p) && (*p) <= 57 )
+			goto st21;
+	} else if ( (*p) > 70 ) {
+		if ( 97 <= (*p) && (*p) <= 102 )
+			goto st21;
+	} else
+		goto st21;
+	goto st0;
+st24:
+	if ( ++p == pe )
+		goto _test_eof24;
+case 24:
+	if ( (*p) < 65 ) {
+		if ( 48 <= (*p) && (*p) <= 57 )
+			goto st23;
+	} else if ( (*p) > 70 ) {
+		if ( 97 <= (*p) && (*p) <= 102 )
+			goto st23;
+	} else
+		goto st23;
+	goto st0;
+tr5:
+#line 22 "parser.rl"
+	{MARK(mark, p); }
+	goto st25;
+st25:
+	if ( ++p == pe )
+		goto _test_eof25;
+case 25:
+#line 592 "parser.c"
+	switch( (*p) ) {
+		case 43: goto st25;
+		case 58: goto st26;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st25;
+	} else if ( (*p) > 57 ) {
+		if ( (*p) > 90 ) {
+			if ( 97 <= (*p) && (*p) <= 122 )
+				goto st25;
+		} else if ( (*p) >= 65 )
+			goto st25;
+	} else
+		goto st25;
+	goto st0;
+tr7:
+#line 22 "parser.rl"
+	{MARK(mark, p); }
+	goto st26;
+st26:
+	if ( ++p == pe )
+		goto _test_eof26;
+case 26:
+#line 617 "parser.c"
+	switch( (*p) ) {
+		case 32: goto tr8;
+		case 35: goto tr9;
+		case 37: goto st27;
+		case 127: goto st0;
+	}
+	if ( 0 <= (*p) && (*p) <= 31 )
+		goto st0;
+	goto st26;
+st27:
+	if ( ++p == pe )
+		goto _test_eof27;
+case 27:
+	if ( (*p) == 117 )
+		goto st29;
+	if ( (*p) < 65 ) {
+		if ( 48 <= (*p) && (*p) <= 57 )
+			goto st28;
+	} else if ( (*p) > 70 ) {
+		if ( 97 <= (*p) && (*p) <= 102 )
+			goto st28;
+	} else
+		goto st28;
+	goto st0;
+st28:
+	if ( ++p == pe )
+		goto _test_eof28;
+case 28:
+	if ( (*p) < 65 ) {
+		if ( 48 <= (*p) && (*p) <= 57 )
+			goto st26;
+	} else if ( (*p) > 70 ) {
+		if ( 97 <= (*p) && (*p) <= 102 )
+			goto st26;
+	} else
+		goto st26;
+	goto st0;
+st29:
+	if ( ++p == pe )
+		goto _test_eof29;
+case 29:
+	if ( (*p) < 65 ) {
+		if ( 48 <= (*p) && (*p) <= 57 )
+			goto st28;
+	} else if ( (*p) > 70 ) {
+		if ( 97 <= (*p) && (*p) <= 102 )
+			goto st28;
+	} else
+		goto st28;
+	goto st0;
+tr6:
+#line 22 "parser.rl"
+	{MARK(mark, p); }
+	goto st30;
+st30:
+	if ( ++p == pe )
+		goto _test_eof30;
+case 30:
+#line 676 "parser.c"
+	switch( (*p) ) {
+		case 32: goto tr44;
+		case 35: goto tr45;
+		case 37: goto st31;
+		case 63: goto tr47;
+		case 127: goto st0;
+	}
+	if ( 0 <= (*p) && (*p) <= 31 )
+		goto st0;
+	goto st30;
+st31:
+	if ( ++p == pe )
+		goto _test_eof31;
+case 31:
+	if ( (*p) == 117 )
+		goto st33;
+	if ( (*p) < 65 ) {
+		if ( 48 <= (*p) && (*p) <= 57 )
+			goto st32;
+	} else if ( (*p) > 70 ) {
+		if ( 97 <= (*p) && (*p) <= 102 )
+			goto st32;
+	} else
+		goto st32;
+	goto st0;
+st32:
+	if ( ++p == pe )
+		goto _test_eof32;
+case 32:
+	if ( (*p) < 65 ) {
+		if ( 48 <= (*p) && (*p) <= 57 )
+			goto st30;
+	} else if ( (*p) > 70 ) {
+		if ( 97 <= (*p) && (*p) <= 102 )
+			goto st30;
+	} else
+		goto st30;
+	goto st0;
+st33:
+	if ( ++p == pe )
+		goto _test_eof33;
+case 33:
+	if ( (*p) < 65 ) {
+		if ( 48 <= (*p) && (*p) <= 57 )
+			goto st32;
+	} else if ( (*p) > 70 ) {
+		if ( 97 <= (*p) && (*p) <= 102 )
+			goto st32;
+	} else
+		goto st32;
+	goto st0;
+tr47:
+#line 65 "parser.rl"
+	{
+    if (parser->request_path != NULL) {
+      parser->request_path(parser->data, PTR_TO(mark), LEN(mark,p));
+    }
+  }
+	goto st34;
+st34:
+	if ( ++p == pe )
+		goto _test_eof34;
+case 34:
+#line 740 "parser.c"
+	switch( (*p) ) {
+		case 32: goto tr51;
+		case 35: goto tr52;
+		case 37: goto tr53;
+		case 127: goto st0;
+	}
+	if ( 0 <= (*p) && (*p) <= 31 )
+		goto st0;
+	goto tr50;
+tr50:
+#line 52 "parser.rl"
+	{MARK(query_start, p); }
+	goto st35;
+st35:
+	if ( ++p == pe )
+		goto _test_eof35;
+case 35:
+#line 758 "parser.c"
+	switch( (*p) ) {
+		case 32: goto tr55;
+		case 35: goto tr56;
+		case 37: goto st36;
+		case 127: goto st0;
+	}
+	if ( 0 <= (*p) && (*p) <= 31 )
+		goto st0;
+	goto st35;
+tr53:
+#line 52 "parser.rl"
+	{MARK(query_start, p); }
+	goto st36;
+st36:
+	if ( ++p == pe )
+		goto _test_eof36;
+case 36:
+#line 776 "parser.c"
+	if ( (*p) == 117 )
+		goto st38;
+	if ( (*p) < 65 ) {
+		if ( 48 <= (*p) && (*p) <= 57 )
+			goto st37;
+	} else if ( (*p) > 70 ) {
+		if ( 97 <= (*p) && (*p) <= 102 )
+			goto st37;
+	} else
+		goto st37;
+	goto st0;
+st37:
+	if ( ++p == pe )
+		goto _test_eof37;
+case 37:
+	if ( (*p) < 65 ) {
+		if ( 48 <= (*p) && (*p) <= 57 )
+			goto st35;
+	} else if ( (*p) > 70 ) {
+		if ( 97 <= (*p) && (*p) <= 102 )
+			goto st35;
+	} else
+		goto st35;
+	goto st0;
+st38:
+	if ( ++p == pe )
+		goto _test_eof38;
+case 38:
+	if ( (*p) < 65 ) {
+		if ( 48 <= (*p) && (*p) <= 57 )
+			goto st37;
+	} else if ( (*p) > 70 ) {
+		if ( 97 <= (*p) && (*p) <= 102 )
+			goto st37;
+	} else
+		goto st37;
+	goto st0;
+st39:
+	if ( ++p == pe )
+		goto _test_eof39;
+case 39:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st40;
+		case 95: goto st40;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st40;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st40;
+	} else
+		goto st40;
+	goto st0;
+st40:
+	if ( ++p == pe )
+		goto _test_eof40;
+case 40:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st41;
+		case 95: goto st41;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st41;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st41;
+	} else
+		goto st41;
+	goto st0;
+st41:
+	if ( ++p == pe )
+		goto _test_eof41;
+case 41:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st42;
+		case 95: goto st42;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st42;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st42;
+	} else
+		goto st42;
+	goto st0;
+st42:
+	if ( ++p == pe )
+		goto _test_eof42;
+case 42:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st43;
+		case 95: goto st43;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st43;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st43;
+	} else
+		goto st43;
+	goto st0;
+st43:
+	if ( ++p == pe )
+		goto _test_eof43;
+case 43:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st44;
+		case 95: goto st44;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st44;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st44;
+	} else
+		goto st44;
+	goto st0;
+st44:
+	if ( ++p == pe )
+		goto _test_eof44;
+case 44:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st45;
+		case 95: goto st45;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st45;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st45;
+	} else
+		goto st45;
+	goto st0;
+st45:
+	if ( ++p == pe )
+		goto _test_eof45;
+case 45:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st46;
+		case 95: goto st46;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st46;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st46;
+	} else
+		goto st46;
+	goto st0;
+st46:
+	if ( ++p == pe )
+		goto _test_eof46;
+case 46:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st47;
+		case 95: goto st47;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st47;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st47;
+	} else
+		goto st47;
+	goto st0;
+st47:
+	if ( ++p == pe )
+		goto _test_eof47;
+case 47:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st48;
+		case 95: goto st48;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st48;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st48;
+	} else
+		goto st48;
+	goto st0;
+st48:
+	if ( ++p == pe )
+		goto _test_eof48;
+case 48:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st49;
+		case 95: goto st49;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st49;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st49;
+	} else
+		goto st49;
+	goto st0;
+st49:
+	if ( ++p == pe )
+		goto _test_eof49;
+case 49:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st50;
+		case 95: goto st50;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st50;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st50;
+	} else
+		goto st50;
+	goto st0;
+st50:
+	if ( ++p == pe )
+		goto _test_eof50;
+case 50:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st51;
+		case 95: goto st51;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st51;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st51;
+	} else
+		goto st51;
+	goto st0;
+st51:
+	if ( ++p == pe )
+		goto _test_eof51;
+case 51:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st52;
+		case 95: goto st52;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st52;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st52;
+	} else
+		goto st52;
+	goto st0;
+st52:
+	if ( ++p == pe )
+		goto _test_eof52;
+case 52:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st53;
+		case 95: goto st53;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st53;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st53;
+	} else
+		goto st53;
+	goto st0;
+st53:
+	if ( ++p == pe )
+		goto _test_eof53;
+case 53:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st54;
+		case 95: goto st54;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st54;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st54;
+	} else
+		goto st54;
+	goto st0;
+st54:
+	if ( ++p == pe )
+		goto _test_eof54;
+case 54:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st55;
+		case 95: goto st55;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st55;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st55;
+	} else
+		goto st55;
+	goto st0;
+st55:
+	if ( ++p == pe )
+		goto _test_eof55;
+case 55:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st56;
+		case 95: goto st56;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st56;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st56;
+	} else
+		goto st56;
+	goto st0;
+st56:
+	if ( ++p == pe )
+		goto _test_eof56;
+case 56:
+	switch( (*p) ) {
+		case 32: goto tr2;
+		case 36: goto st57;
+		case 95: goto st57;
+	}
+	if ( (*p) < 48 ) {
+		if ( 45 <= (*p) && (*p) <= 46 )
+			goto st57;
+	} else if ( (*p) > 57 ) {
+		if ( 65 <= (*p) && (*p) <= 90 )
+			goto st57;
+	} else
+		goto st57;
+	goto st0;
+st57:
+	if ( ++p == pe )
+		goto _test_eof57;
+case 57:
+	if ( (*p) == 32 )
+		goto tr2;
+	goto st0;
+	}
+	_test_eof2: cs = 2; goto _test_eof; 
+	_test_eof3: cs = 3; goto _test_eof; 
+	_test_eof4: cs = 4; goto _test_eof; 
+	_test_eof5: cs = 5; goto _test_eof; 
+	_test_eof6: cs = 6; goto _test_eof; 
+	_test_eof7: cs = 7; goto _test_eof; 
+	_test_eof8: cs = 8; goto _test_eof; 
+	_test_eof9: cs = 9; goto _test_eof; 
+	_test_eof10: cs = 10; goto _test_eof; 
+	_test_eof11: cs = 11; goto _test_eof; 
+	_test_eof12: cs = 12; goto _test_eof; 
+	_test_eof13: cs = 13; goto _test_eof; 
+	_test_eof14: cs = 14; goto _test_eof; 
+	_test_eof15: cs = 15; goto _test_eof; 
+	_test_eof16: cs = 16; goto _test_eof; 
+	_test_eof58: cs = 58; goto _test_eof; 
+	_test_eof17: cs = 17; goto _test_eof; 
+	_test_eof18: cs = 18; goto _test_eof; 
+	_test_eof19: cs = 19; goto _test_eof; 
+	_test_eof20: cs = 20; goto _test_eof; 
+	_test_eof21: cs = 21; goto _test_eof; 
+	_test_eof22: cs = 22; goto _test_eof; 
+	_test_eof23: cs = 23; goto _test_eof; 
+	_test_eof24: cs = 24; goto _test_eof; 
+	_test_eof25: cs = 25; goto _test_eof; 
+	_test_eof26: cs = 26; goto _test_eof; 
+	_test_eof27: cs = 27; goto _test_eof; 
+	_test_eof28: cs = 28; goto _test_eof; 
+	_test_eof29: cs = 29; goto _test_eof; 
+	_test_eof30: cs = 30; goto _test_eof; 
+	_test_eof31: cs = 31; goto _test_eof; 
+	_test_eof32: cs = 32; goto _test_eof; 
+	_test_eof33: cs = 33; goto _test_eof; 
+	_test_eof34: cs = 34; goto _test_eof; 
+	_test_eof35: cs = 35; goto _test_eof; 
+	_test_eof36: cs = 36; goto _test_eof; 
+	_test_eof37: cs = 37; goto _test_eof; 
+	_test_eof38: cs = 38; goto _test_eof; 
+	_test_eof39: cs = 39; goto _test_eof; 
+	_test_eof40: cs = 40; goto _test_eof; 
+	_test_eof41: cs = 41; goto _test_eof; 
+	_test_eof42: cs = 42; goto _test_eof; 
+	_test_eof43: cs = 43; goto _test_eof; 
+	_test_eof44: cs = 44; goto _test_eof; 
+	_test_eof45: cs = 45; goto _test_eof; 
+	_test_eof46: cs = 46; goto _test_eof; 
+	_test_eof47: cs = 47; goto _test_eof; 
+	_test_eof48: cs = 48; goto _test_eof; 
+	_test_eof49: cs = 49; goto _test_eof; 
+	_test_eof50: cs = 50; goto _test_eof; 
+	_test_eof51: cs = 51; goto _test_eof; 
+	_test_eof52: cs = 52; goto _test_eof; 
+	_test_eof53: cs = 53; goto _test_eof; 
+	_test_eof54: cs = 54; goto _test_eof; 
+	_test_eof55: cs = 55; goto _test_eof; 
+	_test_eof56: cs = 56; goto _test_eof; 
+	_test_eof57: cs = 57; goto _test_eof; 
+
+	_test_eof: {}
+	_out: {}
+	}
+
+#line 116 "parser.rl"
+
+  parser->cs = cs;
+  parser->nread += p - (buffer + 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");
+
+  if(parser->body_start) {
+    /* final \r\n combo encountered so stop right here */
+    parser->nread++;
+  }
+
+  return(parser->nread);
+}
+
+int spyglass_http_parser_finish(http_parser *parser)
+{
+  int cs = parser->cs;
+
+
+  parser->cs = cs;
+
+  if (spyglass_http_parser_has_error(parser) ) {
+    return -1;
+  } else if (spyglass_http_parser_is_finished(parser) ) {
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+int spyglass_http_parser_has_error(http_parser *parser) {
+  return parser->cs == http_parser_error;
+}
+
+int spyglass_http_parser_is_finished(http_parser *parser) {
+  return parser->cs == http_parser_first_final;
+}
diff --git a/code/spyglass/ext/spyglass_parser/parser.h b/code/spyglass/ext/spyglass_parser/parser.h
new file mode 100644
index 0000000..8d074ba
--- /dev/null
+++ b/code/spyglass/ext/spyglass_parser/parser.h
@@ -0,0 +1,49 @@
+/**
+ * Copyright (c) 2005 Zed A. Shaw
+ * You can redistribute it and/or modify it under the same terms as Ruby.
+ */
+
+#ifndef http11_parser_h
+#define http11_parser_h
+
+#include <sys/types.h>
+
+#if defined(_WIN32)
+#include <stddef.h>
+#endif
+
+typedef void (*element_cb)(void *data, const char *at, size_t length);
+typedef void (*field_cb)(void *data, const char *field, size_t flen, const char *value, size_t vlen);
+
+typedef struct http_parser { 
+  int cs;
+  size_t body_start;
+  int content_len;
+  size_t nread;
+  size_t mark;
+  size_t field_start;
+  size_t field_len;
+  size_t query_start;
+
+  void *data;
+
+  field_cb http_field;
+  element_cb request_method;
+  element_cb request_uri;
+  element_cb fragment;
+  element_cb request_path;
+  element_cb query_string;
+  element_cb http_version;
+  element_cb header_done;
+  
+} http_parser;
+
+int http_parser_init(http_parser *parser);
+int http_parser_finish(http_parser *parser);
+size_t http_parser_execute(http_parser *parser, const char *data, size_t len, size_t off);
+int http_parser_has_error(http_parser *parser);
+int http_parser_is_finished(http_parser *parser);
+
+#define http_parser_nread(parser) (parser)->nread 
+
+#endif
diff --git a/code/spyglass/ext/spyglass_parser/parser.rl b/code/spyglass/ext/spyglass_parser/parser.rl
new file mode 100644
index 0000000..684596a
--- /dev/null
+++ b/code/spyglass/ext/spyglass_parser/parser.rl
@@ -0,0 +1,157 @@
+/**
+ * Copyright (c) 2005 Zed A. Shaw
+ * You can redistribute it and/or modify it under the same terms as Ruby.
+ */
+#include "parser.h"
+#include <stdio.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <ctype.h>
+#include <string.h>
+
+#define LEN(AT, FPC) (FPC - buffer - parser->AT)
+#define MARK(M,FPC) (parser->M = (FPC) - buffer)
+#define PTR_TO(F) (buffer + parser->F)
+
+/** Machine **/
+
+%%{
+  
+  machine http_parser;
+
+  action mark {MARK(mark, fpc); }
+
+
+  action start_field { MARK(field_start, fpc); }
+  action write_field { 
+    parser->field_len = LEN(field_start, fpc);
+  }
+
+  action start_value { MARK(mark, fpc); }
+  action write_value { 
+    if (parser->http_field != NULL) {
+      parser->http_field(parser->data, PTR_TO(field_start), parser->field_len, PTR_TO(mark), LEN(mark, fpc));
+    }
+  }
+  action request_method { 
+    if (parser->request_method != NULL) {
+      parser->request_method(parser->data, PTR_TO(mark), LEN(mark, fpc));
+    }
+  }
+  action request_uri {
+    if (parser->request_uri != NULL) {
+      parser->request_uri(parser->data, PTR_TO(mark), LEN(mark, fpc));
+    }
+  }
+  action fragment { 
+    if (parser->fragment != NULL) {
+      parser->fragment(parser->data, PTR_TO(mark), LEN(mark, fpc));
+    }
+  }
+
+  action start_query {MARK(query_start, fpc); }
+  action query_string { 
+    if (parser->query_string != NULL) {
+      parser->query_string(parser->data, PTR_TO(query_start), LEN(query_start, fpc));
+    }
+  }
+
+  action http_version {	
+    if (parser->http_version != NULL) {
+      parser->http_version(parser->data, PTR_TO(mark), LEN(mark, fpc));
+    }
+  }
+
+  action request_path {
+    if (parser->request_path != NULL) {
+      parser->request_path(parser->data, PTR_TO(mark), LEN(mark,fpc));
+    }
+  }
+
+  action done { 
+    parser->body_start = fpc - buffer + 1; 
+    if (parser->header_done != NULL) {
+      parser->header_done(parser->data, fpc + 1, pe - fpc - 1);
+    }
+    fbreak;
+  }
+
+  include http_parser_common "common.rl";
+
+}%%
+
+/** Data **/
+%% write data;
+
+int spyglass_http_parser_init(http_parser *parser)  {
+  int cs = 0;
+  %% write init;
+  parser->cs = cs;
+  parser->body_start = 0;
+  parser->content_len = 0;
+  parser->mark = 0;
+  parser->nread = 0;
+  parser->field_len = 0;
+  parser->field_start = 0;    
+
+  return(1);
+}
+
+
+/** exec **/
+size_t spyglass_http_parser_execute(http_parser *parser, const char *buffer, size_t len, size_t off)  {
+  const char *p, *pe;
+  int cs = parser->cs;
+
+  assert(off <= len && "offset past end of buffer");
+
+  p = buffer+off;
+  pe = buffer+len;
+
+  assert(*pe == '\0' && "pointer does not end on NUL");
+  assert(pe - p == len - off && "pointers aren't same distance");
+
+
+  %% write exec;
+
+  parser->cs = cs;
+  parser->nread += p - (buffer + 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");
+
+  if(parser->body_start) {
+    /* final \r\n combo encountered so stop right here */
+    parser->nread++;
+  }
+
+  return(parser->nread);
+}
+
+int spyglass_http_parser_finish(http_parser *parser)
+{
+  int cs = parser->cs;
+
+
+  parser->cs = cs;
+
+  if (spyglass_http_parser_has_error(parser) ) {
+    return -1;
+  } else if (spyglass_http_parser_is_finished(parser) ) {
+    return 1;
+  } else {
+    return 0;
+  }
+}
+
+int spyglass_http_parser_has_error(http_parser *parser) {
+  return parser->cs == http_parser_error;
+}
+
+int spyglass_http_parser_is_finished(http_parser *parser) {
+  return parser->cs == http_parser_first_final;
+}
diff --git a/code/spyglass/ext/spyglass_parser/spyglass.c b/code/spyglass/ext/spyglass_parser/spyglass.c
new file mode 100644
index 0000000..aa91520
--- /dev/null
+++ b/code/spyglass/ext/spyglass_parser/spyglass.c
@@ -0,0 +1,436 @@
+/**
+ * Thin Parser adpated to Spyglass.
+ * 
+ * Orignal version Copyright (c) 2005 Zed A. Shaw
+ * You can redistribute it and/or modify it under the same terms as Ruby.
+ */
+#include "ruby.h"
+#include "ext_help.h"
+#include <assert.h>
+#include <string.h>
+#include "parser.h"
+#include <ctype.h>
+
+static VALUE mSpyglass;
+static VALUE cHttpParser;
+static VALUE eHttpParserError;
+
+static VALUE global_empty;
+static VALUE global_http_prefix;
+static VALUE global_request_method;
+static VALUE global_request_uri;
+static VALUE global_fragment;
+static VALUE global_query_string;
+static VALUE global_http_version;
+static VALUE global_content_length;
+static VALUE global_http_content_length;
+static VALUE global_request_path;
+static VALUE global_content_type;
+static VALUE global_http_content_type;
+static VALUE global_gateway_interface;
+static VALUE global_gateway_interface_value;
+static VALUE global_server_name;
+static VALUE global_server_port;
+static VALUE global_server_protocol;
+static VALUE global_server_protocol_value;
+static VALUE global_http_host;
+static VALUE global_port_80;
+static VALUE global_http_body;
+static VALUE global_url_scheme;
+static VALUE global_url_scheme_value;
+static VALUE global_script_name;
+static VALUE global_path_info;
+
+#define TRIE_INCREASE 30
+
+/** Defines common length and error messages for input length validation. */
+#define DEF_MAX_LENGTH(N,length) const size_t MAX_##N##_LENGTH = length; const char *MAX_##N##_LENGTH_ERR = "HTTP element " # N  " is longer than the " # length " allowed length."
+
+/** Validates the max length of given input and throws an HttpParserError exception if over. */
+#define VALIDATE_MAX_LENGTH(len, N) if(len > MAX_##N##_LENGTH) { rb_raise(eHttpParserError, MAX_##N##_LENGTH_ERR); }
+
+/** Defines global strings in the init method. */
+#define DEF_GLOBAL(N, val)   global_##N = rb_obj_freeze(rb_str_new2(val)); rb_global_variable(&global_##N)
+
+/* for compatibility with Ruby 1.8.5, which doesn't declare RSTRING_PTR */
+#ifndef RSTRING_PTR
+#define RSTRING_PTR(s) (RSTRING(s)->ptr)
+#endif
+
+/* for compatibility with Ruby 1.8.5, which doesn't declare RSTRING_LEN */
+#ifndef RSTRING_LEN
+#define RSTRING_LEN(s) (RSTRING(s)->len)
+#endif
+
+/* Defines the maximum allowed lengths for various input elements.*/
+DEF_MAX_LENGTH(FIELD_NAME, 256);
+DEF_MAX_LENGTH(FIELD_VALUE, 80 * 1024);
+DEF_MAX_LENGTH(REQUEST_URI, 1024 * 12);
+DEF_MAX_LENGTH(FRAGMENT, 1024); /* Don't know if this length is specified somewhere or not */
+DEF_MAX_LENGTH(REQUEST_PATH, 1024);
+DEF_MAX_LENGTH(QUERY_STRING, (1024 * 10));
+DEF_MAX_LENGTH(HEADER, (1024 * (80 + 32)));
+
+
+static void http_field(void *data, const char *field, size_t flen, const char *value, size_t vlen)
+{
+  char *ch, *end;
+  VALUE req = (VALUE)data;
+  VALUE v = Qnil;
+  VALUE f = Qnil;
+
+  VALIDATE_MAX_LENGTH(flen, FIELD_NAME);
+  VALIDATE_MAX_LENGTH(vlen, FIELD_VALUE);
+
+  v = rb_str_new(value, vlen);
+  f = rb_str_dup(global_http_prefix);
+  f = rb_str_buf_cat(f, field, flen); 
+
+  for(ch = RSTRING_PTR(f) + RSTRING_LEN(global_http_prefix), end = RSTRING_PTR(f) + RSTRING_LEN(f); ch < end; ch++) {
+    if(*ch == '-') {
+      *ch = '_';
+    } else {
+      *ch = toupper(*ch);
+    }
+  }
+
+  rb_hash_aset(req, f, v);
+}
+
+static void request_method(void *data, const char *at, size_t length)
+{
+  VALUE req = (VALUE)data;
+  VALUE val = Qnil;
+
+  val = rb_str_new(at, length);
+  rb_hash_aset(req, global_request_method, val);
+}
+
+static void request_uri(void *data, const char *at, size_t length)
+{
+  VALUE req = (VALUE)data;
+  VALUE val = Qnil;
+
+  VALIDATE_MAX_LENGTH(length, REQUEST_URI);
+
+  val = rb_str_new(at, length);
+  rb_hash_aset(req, global_request_uri, val);
+}
+
+static void fragment(void *data, const char *at, size_t length)
+{
+  VALUE req = (VALUE)data;
+  VALUE val = Qnil;
+
+  VALIDATE_MAX_LENGTH(length, FRAGMENT);
+
+  val = rb_str_new(at, length);
+  rb_hash_aset(req, global_fragment, val);
+}
+
+static void request_path(void *data, const char *at, size_t length)
+{
+  VALUE req = (VALUE)data;
+  VALUE val = Qnil;
+
+  VALIDATE_MAX_LENGTH(length, REQUEST_PATH);
+
+  val = rb_str_new(at, length);
+  rb_hash_aset(req, global_request_path, val);
+  rb_hash_aset(req, global_path_info, val);
+}
+
+static void query_string(void *data, const char *at, size_t length)
+{
+  VALUE req = (VALUE)data;
+  VALUE val = Qnil;
+
+  VALIDATE_MAX_LENGTH(length, QUERY_STRING);
+
+  val = rb_str_new(at, length);
+  rb_hash_aset(req, global_query_string, val);
+}
+
+static void http_version(void *data, const char *at, size_t length)
+{
+  VALUE req = (VALUE)data;
+  VALUE val = rb_str_new(at, length);
+  rb_hash_aset(req, global_http_version, val);
+}
+
+/** Finalizes the request header to have a bunch of stuff that's
+  needed. */
+
+static void header_done(void *data, const char *at, size_t length)
+{
+  VALUE req = (VALUE)data;
+  VALUE temp = Qnil;
+  VALUE ctype = Qnil;
+  VALUE clen = Qnil;
+  VALUE body = Qnil;
+  char *colon = NULL;
+
+  clen = rb_hash_aref(req, global_http_content_length);
+  if(clen != Qnil) {
+    rb_hash_aset(req, global_content_length, clen);
+    rb_hash_delete(req, global_http_content_length);
+  }
+
+  ctype = rb_hash_aref(req, global_http_content_type);
+  if(ctype != Qnil) {
+    rb_hash_aset(req, global_content_type, ctype);
+    rb_hash_delete(req, global_http_content_type);
+  }
+
+  rb_hash_aset(req, global_gateway_interface, global_gateway_interface_value);
+  if((temp = rb_hash_aref(req, global_http_host)) != Qnil) {
+    /* ruby better close strings off with a '\0' dammit */
+    colon = strchr(RSTRING_PTR(temp), ':');
+    if(colon != NULL) {
+      rb_hash_aset(req, global_server_name, rb_str_substr(temp, 0, colon - RSTRING_PTR(temp)));
+      rb_hash_aset(req, global_server_port, 
+          rb_str_substr(temp, colon - RSTRING_PTR(temp)+1, 
+            RSTRING_LEN(temp)));
+    } else {
+      rb_hash_aset(req, global_server_name, temp);
+      rb_hash_aset(req, global_server_port, global_port_80);
+    }
+  }
+
+  /* grab the initial body and stuff it into the hash */
+  if(length > 0) {
+    body = rb_hash_aref(req, global_http_body);
+    rb_io_write(body, rb_str_new(at, length));
+  }
+  
+  /* according to Rack specs, query string must be empty string if none */
+  if (rb_hash_aref(req, global_query_string) == Qnil) {
+    rb_hash_aset(req, global_query_string, global_empty);
+  }
+  if (rb_hash_aref(req, global_path_info) == Qnil) {
+    rb_hash_aset(req, global_path_info, global_empty);
+  }
+  
+  /* set some constants */
+  rb_hash_aset(req, global_server_protocol, global_server_protocol_value);
+  rb_hash_aset(req, global_url_scheme, global_url_scheme_value);
+  rb_hash_aset(req, global_script_name, global_empty);
+}
+
+
+void Spyglass_HttpParser_free(void *data) {
+  TRACE();
+
+  if(data) {
+    free(data);
+  }
+}
+
+
+VALUE Spyglass_HttpParser_alloc(VALUE klass)
+{
+  VALUE obj;
+  http_parser *hp = ALLOC_N(http_parser, 1);
+  TRACE();
+  hp->http_field = http_field;
+  hp->request_method = request_method;
+  hp->request_uri = request_uri;
+  hp->fragment = fragment;
+  hp->request_path = request_path;
+  hp->query_string = query_string;
+  hp->http_version = http_version;
+  hp->header_done = header_done;
+  spyglass_http_parser_init(hp);
+
+  obj = Data_Wrap_Struct(klass, NULL, Spyglass_HttpParser_free, hp);
+
+  return obj;
+}
+
+
+/**
+ * call-seq:
+ *    parser.new -> parser
+ *
+ * Creates a new parser.
+ */
+VALUE Spyglass_HttpParser_init(VALUE self)
+{
+  http_parser *http = NULL;
+  DATA_GET(self, http_parser, http);
+  spyglass_http_parser_init(http);
+
+  return self;
+}
+
+
+/**
+ * call-seq:
+ *    parser.reset -> nil
+ *
+ * Resets the parser to it's initial state so that you can reuse it
+ * rather than making new ones.
+ */
+VALUE Spyglass_HttpParser_reset(VALUE self)
+{
+  http_parser *http = NULL;
+  DATA_GET(self, http_parser, http);
+  spyglass_http_parser_init(http);
+
+  return Qnil;
+}
+
+
+/**
+ * call-seq:
+ *    parser.finish -> true/false
+ *
+ * Finishes a parser early which could put in a "good" or bad state.
+ * You should call reset after finish it or bad things will happen.
+ */
+VALUE Spyglass_HttpParser_finish(VALUE self)
+{
+  http_parser *http = NULL;
+  DATA_GET(self, http_parser, http);
+  spyglass_http_parser_finish(http);
+
+  return spyglass_http_parser_is_finished(http) ? Qtrue : Qfalse;
+}
+
+
+/**
+ * call-seq:
+ *    parser.execute(req_hash, data, start) -> Integer
+ *
+ * Takes a Hash and a String of data, parses the String of data filling in the Hash
+ * returning an Integer to indicate how much of the data has been read.  No matter
+ * what the return value, you should call HttpParser#finished? and HttpParser#error?
+ * to figure out if it's done parsing or there was an error.
+ * 
+ * This function now throws an exception when there is a parsing error.  This makes 
+ * the logic for working with the parser much easier.  You can still test for an 
+ * error, but now you need to wrap the parser with an exception handling block.
+ *
+ * The third argument allows for parsing a partial request and then continuing
+ * the parsing from that position.  It needs all of the original data as well 
+ * so you have to append to the data buffer as you read.
+ */
+VALUE Spyglass_HttpParser_execute(VALUE self, VALUE req_hash, VALUE data, VALUE start)
+{
+  http_parser *http = NULL;
+  int from = 0;
+  char *dptr = NULL;
+  long dlen = 0;
+
+  DATA_GET(self, http_parser, http);
+
+  from = FIX2INT(start);
+  dptr = RSTRING_PTR(data);
+  dlen = RSTRING_LEN(data);
+
+  if(from >= dlen) {
+    rb_raise(eHttpParserError, "Requested start is after data buffer end.");
+  } else {
+    http->data = (void *)req_hash;
+    spyglass_http_parser_execute(http, dptr, dlen, from);
+
+    VALIDATE_MAX_LENGTH(http_parser_nread(http), HEADER);
+
+    if(spyglass_http_parser_has_error(http)) {
+      rb_raise(eHttpParserError, "Invalid HTTP format, parsing fails.");
+    } else {
+      return INT2FIX(http_parser_nread(http));
+    }
+  }
+}
+
+
+
+/**
+ * call-seq:
+ *    parser.error? -> true/false
+ *
+ * Tells you whether the parser is in an error state.
+ */
+VALUE Spyglass_HttpParser_has_error(VALUE self)
+{
+  http_parser *http = NULL;
+  DATA_GET(self, http_parser, http);
+
+  return spyglass_http_parser_has_error(http) ? Qtrue : Qfalse;
+}
+
+
+/**
+ * call-seq:
+ *    parser.finished? -> true/false
+ *
+ * Tells you whether the parser is finished or not and in a good state.
+ */
+VALUE Spyglass_HttpParser_is_finished(VALUE self)
+{
+  http_parser *http = NULL;
+  DATA_GET(self, http_parser, http);
+
+  return spyglass_http_parser_is_finished(http) ? Qtrue : Qfalse;
+}
+
+
+/**
+ * call-seq:
+ *    parser.nread -> Integer
+ *
+ * Returns the amount of data processed so far during this processing cycle.  It is
+ * set to 0 on initialize or reset calls and is incremented each time execute is called.
+ */
+VALUE Spyglass_HttpParser_nread(VALUE self)
+{
+  http_parser *http = NULL;
+  DATA_GET(self, http_parser, http);
+
+  return INT2FIX(http->nread);
+}
+
+void Init_spyglass_parser()
+{
+
+  mSpyglass = rb_define_module("Spyglass");
+
+  DEF_GLOBAL(empty, "");
+  DEF_GLOBAL(http_prefix, "HTTP_");
+  DEF_GLOBAL(request_method, "REQUEST_METHOD");
+  DEF_GLOBAL(request_uri, "REQUEST_URI");
+  DEF_GLOBAL(fragment, "FRAGMENT");
+  DEF_GLOBAL(query_string, "QUERY_STRING");
+  DEF_GLOBAL(http_version, "HTTP_VERSION");
+  DEF_GLOBAL(request_path, "REQUEST_PATH");
+  DEF_GLOBAL(content_length, "CONTENT_LENGTH");
+  DEF_GLOBAL(http_content_length, "HTTP_CONTENT_LENGTH");
+  DEF_GLOBAL(content_type, "CONTENT_TYPE");
+  DEF_GLOBAL(http_content_type, "HTTP_CONTENT_TYPE");
+  DEF_GLOBAL(gateway_interface, "GATEWAY_INTERFACE");
+  DEF_GLOBAL(gateway_interface_value, "CGI/1.2");
+  DEF_GLOBAL(server_name, "SERVER_NAME");
+  DEF_GLOBAL(server_port, "SERVER_PORT");
+  DEF_GLOBAL(server_protocol, "SERVER_PROTOCOL");
+  DEF_GLOBAL(server_protocol_value, "HTTP/1.1");
+  DEF_GLOBAL(http_host, "HTTP_HOST");
+  DEF_GLOBAL(port_80, "80");
+  DEF_GLOBAL(http_body, "rack.input");
+  DEF_GLOBAL(url_scheme, "rack.url_scheme");
+  DEF_GLOBAL(url_scheme_value, "http");
+  DEF_GLOBAL(script_name, "SCRIPT_NAME");
+  DEF_GLOBAL(path_info, "PATH_INFO");
+
+  eHttpParserError = rb_define_class_under(mSpyglass, "InvalidRequest", rb_eIOError);
+
+  cHttpParser = rb_define_class_under(mSpyglass, "HttpParser", rb_cObject);
+  rb_define_alloc_func(cHttpParser, Spyglass_HttpParser_alloc);
+  rb_define_method(cHttpParser, "initialize", Spyglass_HttpParser_init,0);
+  rb_define_method(cHttpParser, "reset", Spyglass_HttpParser_reset,0);
+  rb_define_method(cHttpParser, "finish", Spyglass_HttpParser_finish,0);
+  rb_define_method(cHttpParser, "execute", Spyglass_HttpParser_execute,3);
+  rb_define_method(cHttpParser, "error?", Spyglass_HttpParser_has_error,0);
+  rb_define_method(cHttpParser, "finished?", Spyglass_HttpParser_is_finished,0);
+  rb_define_method(cHttpParser, "nread", Spyglass_HttpParser_nread,0);
+}