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libpsyc/test/test_parser.c

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#include <unistd.h>
#include <stdio.h>
#include <fcntl.h>
#include <psyc.h>
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#include <psyc/parse.h>
int main (int argc, char **argv)
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{
uint8_t routing_only = argc > 2 && memchr(argv[2], (int)'r', strlen(argv[2]));
uint8_t verbose = argc > 2 && memchr(argv[2], (int)'v', strlen(argv[2]));
int idx, ret;
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char buffer[2048], oper;
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PsycString name, value, elem;
PsycParseState state;
PsycParseListState listState;
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if (argc < 2)
return -1;
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int file = open(argv[1],O_RDONLY);
if (file < 0)
return -1;
idx = read(file,(void*)buffer,sizeof(buffer));
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if (verbose) {
printf(">> INPUT\n");
printf("%.*s\n", (int)idx, buffer);
printf(">> PARSE\n");
}
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psyc_parse_state_init(&state, routing_only ?
PSYC_PARSE_ROUTING_ONLY : PSYC_PARSE_ALL);
psyc_parse_buffer_set(&state, buffer, idx);
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// try parsing that now
do
{
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oper = 0;
name.length = 0;
value.length = 0;
ret = psyc_parse(&state, &oper, &name, &value);
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if (verbose)
printf(">> ret = %d\n", ret);
switch (ret)
{
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case PSYC_PARSE_ROUTING:
case PSYC_PARSE_ENTITY:
if (verbose)
printf("%c", oper);
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case PSYC_PARSE_BODY:
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// printf("the string is '%.*s'\n", name);
if (verbose)
printf("%.*s = %.*s\n",
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(int)name.length, name.data,
(int)value.length, value.data);
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if (psyc_var_is_list(PSYC_S2ARG(name)))
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{
if (verbose)
printf(">> LIST START\n");
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psyc_parse_list_state_init(&listState);
psyc_parse_list_buffer_set(&listState, PSYC_S2ARG(value));
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while ((ret = psyc_parse_list(&listState, &elem)))
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{
switch (ret)
{
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case PSYC_PARSE_LIST_END:
case PSYC_PARSE_LIST_ELEM:
if (verbose)
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printf("|%.*s\n", (int)elem.length, elem.data);
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break;
default:
printf("Error while parsing list: %i\n", ret);
return 1;
}
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if (ret == PSYC_PARSE_LIST_END)
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{
if (verbose)
printf(">> LIST END\n");
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break;
}
}
}
break;
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case PSYC_PARSE_COMPLETE:
// printf("Done parsing.\n");
ret = 0;
continue;
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case PSYC_PARSE_INSUFFICIENT:
printf("Insufficient data.\n");
return 1;
default:
printf("Error while parsing: %i\n", ret);
return 1;
}
}
while (ret);
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return 0;
}