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spyc/parser reorg - moved old code to the bottom

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This commit is contained in:
Gabor Adam Toth 2011-05-23 20:23:27 +02:00
parent 9ded39dbdb
commit 7453aaf395
2 changed files with 68 additions and 64 deletions
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2
world/net/spyc/dispatch.i
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@ -176,7 +176,7 @@ void dispatch(mapping rvars, mapping evars, mixed method, mixed body) {
return;
#ifndef LIBPSYC
if (!process_var_types(evars))t
if (!process_var_types(evars))
return;
#endif

130
world/net/spyc/parse.c
View File

@ -13,10 +13,14 @@ int may_parse_more;
private string body_buffer;
int body_len;
// tempoary used to hold assigment lists vname -> ({ glyph, state, vvalue })
// temporary used to hold assigment lists vname -> ({ glyph, state, vvalue })
// this won't work anymore, dispatch now expects two mappings: rvars & evars
array(mixed) tvars;
mapping hvars;
#endif
// prototypes
parse_header();
buffer_content();
#endif // LIBPSYC
// being faded out in favor of regular croak()
#define PARSEERROR(reason) { \
@ -61,6 +65,32 @@ void parser_init() {
state = PSYCPARSE_STATE_GREET; // AFTER reset
}
// it is sometimes useful to stop parsing
void interrupt_parse() {
state = PSYCPARSE_STATE_BLOCKED;
}
// and resume after some blocking operation is done
void resume_parse() {
state = PSYCPARSE_STATE_HEADER;
}
// called when a complete packet has arrived
void dispatch(mapping rvars, mapping evars, mixed method, mixed body) {
#ifndef LIBPSYC
parser_reset();
#endif
}
void psyc_dispatch(mixed p) {
dispatch(p[PACKET_ROUTING], p[PACKET_ENTITY], p[PACKET_METHOD], p[PACKET_BODY]);
}
// respond to the first empty packet
void first_response() {
P0(("parser::first_response called. overload this!"))
}
// input data to the buffer
void feed(string data) {
P4((">> feed: %O\n", data));
@ -113,16 +143,45 @@ void feed(string data) {
# endif
}
// called when a complete packet has arrived
void dispatch(mixed header_vars, mixed varops, mixed method, mixed body) {
// parser stepping function
void step() {
P3(("%O step: state %O, buffer %O\n", ME, state, buffer))
if (!strlen(buffer))
return;
switch(state) {
#ifndef LIBPSYC
parser_reset();
case PSYCPARSE_STATE_HEADER:
parse_header();
break;
case PSYCPARSE_STATE_CONTENT:
buffer_content();
break;
#endif
case PSYCPARSE_STATE_BLOCKED:
// someone requested to stop parsing - e.g. _request_features circuit
// message
break;
case PSYCPARSE_STATE_GREET: // wait for greeting
if (strlen(buffer) < 2)
return;
if (buffer[0..1] == DELIM) {
state = PSYCPARSE_STATE_HEADER;
buffer = buffer[2 ..];
first_response();
#ifndef LIBPSYC
step();
#endif
} else {
croak("_error_syntax_initialization");
// "The new protocol begins with a pipe and a line feed.");
}
break;
default: // uhm... if we ever get here this is the programmers fault
break;
}
}
void psyc_dispatch(mixed p) {
dispatch(p[PACKET_ROUTING], p[PACKET_ENTITY], p[PACKET_METHOD], p[PACKET_BODY]);
}
// EOF for LIBPSYC
#ifndef LIBPSYC
// processes routing header variable assignments
@ -371,52 +430,7 @@ void buffer_content() {
P4(("buffer_content: waiting for more plain data. buffer %O vs %O\n", to_array(buffer), to_array("\n" DELIM)))
}
}
#endif // LIBPSYC
// respond to the first empty packet
void first_response() {
P0(("parser::first_response called. overload this!"))
}
// parser stepping function
void step() {
P3(("%O step: state %O, buffer %O\n", ME, state, buffer))
if (!strlen(buffer))
return;
switch(state) {
#ifndef LIBPSYC
case PSYCPARSE_STATE_HEADER:
parse_header();
break;
case PSYCPARSE_STATE_CONTENT:
buffer_content();
break;
#endif
case PSYCPARSE_STATE_BLOCKED:
// someone requested to stop parsing - e.g. _request_features circuit
// message
break;
case PSYCPARSE_STATE_GREET: // wait for greeting
if (strlen(buffer) < 2)
return;
if (buffer[0..1] == DELIM) {
state = PSYCPARSE_STATE_HEADER;
buffer = buffer[2 ..];
first_response();
#ifndef LIBPSYC
step();
#endif
} else {
croak("_error_syntax_initialization");
// "The new protocol begins with a pipe and a line feed.");
}
break;
default: // uhm... if we ever get here this is the programmers fault
break;
}
}
#ifndef LIBPSYC
// FIXME should be in a standalone module
//#define PARSEERROR(args) debug_message(sprintf("LIST PARSE ERROR: " args));
#define LISTSEP '|'
@ -456,13 +470,3 @@ test() {
}
# endif
#endif // !LIBPSYC
// it is sometimes useful to stop parsing
void interrupt_parse() {
state = PSYCPARSE_STATE_BLOCKED;
}
// and resume after some blocking operation is done
void resume_parse() {
state = PSYCPARSE_STATE_HEADER;
}