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parser: fixes for header only parsing

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tg(x) 2011-04-30 16:42:03 +02:00
parent 2ccd132579
commit af619d664d
3 changed files with 19 additions and 8 deletions
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2
include/psyc/parser.h
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@ -24,7 +24,7 @@ typedef enum
/// Parse only the header /// Parse only the header
PSYC_PARSE_HEADER_ONLY = 1, PSYC_PARSE_HEADER_ONLY = 1,
/// Expects only the content part of a packet. The length of the content must fit exactly in this case /// Expects only the content part of a packet. The length of the content must fit exactly in this case
PSYC_PARSE_BEGIN_AT_CONTENT = 2, PSYC_PARSE_BEGIN_AT_CONTENT = 2,
} psycParseFlag; } psycParseFlag;
/** /**

12
src/parser.c
View file

@ -136,10 +136,6 @@ inline psycParseRC psyc_parseName(psycParseState* state, psycString* name)
*/ */
inline psycParseRC psyc_parseBinaryValue(psycParseState* state, psycString* value, size_t* length, size_t* parsed) inline psycParseRC psyc_parseBinaryValue(psycParseState* state, psycString* value, size_t* length, size_t* parsed)
{ {
if (state->flags & PSYC_PARSE_HEADER_ONLY &&
state->flags & PSYC_PARSE_BEGIN_AT_CONTENT)
return PSYC_PARSE_ERROR_INVALID_FLAGS;
size_t remaining = *length - *parsed; size_t remaining = *length - *parsed;
value->ptr = state->buffer.ptr + state->cursor; value->ptr = state->buffer.ptr + state->cursor;
@ -300,8 +296,13 @@ psycParseRC psyc_parse(psycParseState* state, char* oper, psycString* name, psyc
{ {
// If we need to parse the header only and we know the content length, // If we need to parse the header only and we know the content length,
// then skip content parsing. // then skip content parsing.
if (state->flags & PSYC_PARSE_HEADER_ONLY && state->contentLengthFound) if (state->flags & PSYC_PARSE_HEADER_ONLY)
{
state->part = PSYC_PART_DATA; state->part = PSYC_PART_DATA;
if (++(state->cursor) >= state->buffer.length)
return PSYC_PARSE_INSUFFICIENT;
goto PSYC_PART_DATA;
}
else else
state->part = PSYC_PART_CONTENT; state->part = PSYC_PART_CONTENT;
} }
@ -397,6 +398,7 @@ psycParseRC psyc_parse(psycParseState* state, char* oper, psycString* name, psyc
} }
case PSYC_PART_DATA: case PSYC_PART_DATA:
PSYC_PART_DATA:
value->ptr = state->buffer.ptr + state->cursor; value->ptr = state->buffer.ptr + state->cursor;
value->length = 0; value->length = 0;

13
test/testParser.c
View file

@ -7,7 +7,7 @@
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
int idx, ret, verbose = argc > 2; int idx, ret, header_only = argc > 2, verbose = argc > 3;
char buffer[2048], oper; char buffer[2048], oper;
psycString name, value, elem; psycString name, value, elem;
psycParseState state; psycParseState state;
@ -23,14 +23,23 @@ int main(int argc, char **argv)
write(1, buffer, idx); write(1, buffer, idx);
write(1, ">> PARSE\n", 9); write(1, ">> PARSE\n", 9);
} }
psyc_initParseState(&state); if (header_only)
psyc_initParseState2(&state, PSYC_PARSE_HEADER_ONLY);
else
psyc_initParseState(&state);
psyc_nextParseBuffer(&state, psyc_newString(buffer, idx)); psyc_nextParseBuffer(&state, psyc_newString(buffer, idx));
// try parsing that now // try parsing that now
// while ((ret = psyc_parse(&state, &oper, &name, &value))) // while ((ret = psyc_parse(&state, &oper, &name, &value)))
// { // {
do { do {
oper = 0;
name.length = 0;
value.length = 0;
ret = psyc_parse(&state, &oper, &name, &value); ret = psyc_parse(&state, &oper, &name, &value);
if (verbose)
printf(">> ret = %d\n", ret);
switch (ret) switch (ret)
{ {
case PSYC_PARSE_ROUTING: case PSYC_PARSE_ROUTING: