1
0
Fork 0
mirror of git://git.psyc.eu/libpsyc synced 2024-08-15 03:19:02 +00:00
libpsyc/src/variable.c
2011-04-22 20:33:22 +02:00

73 lines
1.9 KiB
C

#include <psyc.h>
#include <stdint.h>
const PSYC_Array PSYC_routingVars[] = /// Routing variables in alphabetical order.
{
{17, "_amount_fragments"},
{ 8, "_context"},
{ 6, "_count"},
{ 8, "_counter"}, // the name for this is supposed to be _count, not _counter
{ 9, "_fragment"},
{ 7, "_length"},
{ 7, "_source"},
{22, "_source_identification"},
{13, "_source_relay"},
{19, "_source_relay_relay"}, // until you have a better idea.. is this really in use?
{ 4, "_tag"},
{10, "_tag_relay"},
{10, "_tag_reply"}, // should be obsolete, but.. TODO
{ 7, "_target"},
{15, "_target_forward"},
{13, "_target_relay"},
{19, "_understand_modules"},
{14, "_using_modules"},
};
const size_t PSYC_routingVarsNum = sizeof(PSYC_routingVars) / sizeof(*PSYC_routingVars);
/**
* Get the type of variable name.
*/
PSYC_Bool PSYC_isRoutingVar(const char* name, size_t len)
{
size_t cursor = 1;
int8_t matching[PSYC_routingVarsNum]; // indexes of matching vars
memset(&matching, -1, sizeof(matching));
uint8_t i, m = 0;
if (len < 2 || name[0] != '_')
return PSYC_FALSE;
// first find the vars with matching length
for (i=0; i<PSYC_routingVarsNum; i++)
if (len == PSYC_routingVars[i].length)
matching[m++] = i;
while (cursor < len && matching[0] >= 0)
{
for (i = m = 0; i < PSYC_routingVarsNum; i++)
{
if (matching[i] < 0)
break;
if (PSYC_routingVars[matching[i]].ptr[cursor] == name[cursor])
matching[m++] = matching[i]; // found a match, update matching indexes
else if (PSYC_routingVars[matching[i]].ptr[cursor] > name[cursor])
break; // passed the possible matches in alphabetical order
}
if (m < PSYC_routingVarsNum)
matching[m] = -1; // mark the end of matching indexes
cursor++;
}
return matching[0] >= 0 ? PSYC_TRUE : PSYC_FALSE;
}
/**
* Get the type of variable name.
*/
PSYC_Type PSYC_getVarType(char* name, size_t len)
{
return PSYC_TYPE_UNKNOWN;
}