ret_code amb_init(ambiente_t* ambiente, const char* content, int length)
{
ret_code ret = ERROR;
if (NULL!=content && NULL!=ambiente) {
const TRexChar *begin, *end, *error;
TRex* x;
CHECK(NULL!=(x=trex_compile(_TREXC("QtdMax=(\\d+)&PdvId=(\\d+)" \
"&Recibo=(\\d)&Dormir=(\\d)&Cortesias=(\\d)&Credito=(\\d)&"),&error)));
if (trex_search(x,_TREXC(content),&begin,&end)) {
int n = trex_getsubexpcount(x);
if (n==7) {
char *qtdMax, *pdvId, *credito;
rx_getnext(x, 1, &qtdMax);
rx_getnext(x, 2, &pdvId);
rx_getnext(x, 6, &credito);
CHECK(NULL!=qtdMax);
CHECK(NULL!=pdvId);
CHECK(NULL!=credito);
ambiente->credito = atoi(credito);
ambiente->qtdMax = atoi(qtdMax);
ambiente->pdvId = pdvId;
free(credito);
free(qtdMax);
ret = SUCCESS;
}
else {
ret = ERROR;
}
} /* trex_search */
trex_free(x);
} /* NULL!=content */
return ret;
}
/* Match a string against the given regular expression.
* Returns true on a successful match.
*/
bool d_match(dstr line, const char *regex)
{
re_cache_t *re;
TRexMatch match;
int i;
re = compile_regex(regex);
if (!trex_search(re->reg, line, NULL, NULL)) {
return false;
}
trex_getsubexp(re->reg, 0, &match);
d_assignn(d_before_match, line, match.begin - line);
d_assign(d_after_match, match.begin + match.len);
for (i = 0; i < MAX_MATCH; i++) {
if (trex_getsubexp(re->reg, i, &match)) {
strncpy(d_submatches[i], match.begin, match.len);
d_submatches[i][match.len] = '\0';
}
else {
d_submatches[i][0] = '\0';
}
}
return true;
}
int main(int argc, char* argv[])
{
const TRexChar *begin,*end;
TRexChar sTemp[200];
const TRexChar *error = NULL;
TRex *x = trex_compile(_TREXC("(x{1,5})xx"),&error);
if(x) {
trex_sprintf(sTemp,_TREXC("xxxxxxx"));
if(trex_search(x,sTemp,&begin,&end))
{
int i,n = trex_getsubexpcount(x);
TRexMatch match;
for(i = 0; i < n; i++)
{
TRexChar t[200];
trex_getsubexp(x,i,&match);
trex_sprintf(t,_TREXC("[%%d]%%.%ds\n"),match.len);
trex_printf(t,i,match.begin);
}
trex_printf(_TREXC("match! %d sub matches\n"),trex_getsubexpcount(x));
}
else {
trex_printf(_TREXC("no match!\n"));
}
trex_free(x);
}
else {
trex_printf(_TREXC("compilation error [%s]!\n"),error?error:_TREXC("undefined"));
}
return 0;
}
Keywords parse_c(const ParserSettings *ps, const char *text)
{
static TrRegex tr_function("(?:([\\w:]+)[*&]*\\s+(?:[*&=]*\\s+)?[*&]*)?([^\\s\\(]+)\\s*(\\([^)]*\\))");
static TrRegex tr_parameters("(\\$?\\w+|\\.\\.\\.)(\\s*=\\s*[\\\"\\w\\.']+)?\\s*[,)]");
Keywords keywords;
const TRexChar *begin, *end;
int chevron = 0;
// HACK: Duplicate the string so it can be modified and any commas within <...> needs removed to support templates e.g. std::pair<int, double>
std::string dup(text);
for (char &c : dup)
{
if (c == '<') chevron++;
else if (c == '>') chevron--;
else if (c == ',' && chevron > 0) c = ' ';
}
if (trex_search(tr_function.regex, dup.c_str(), &begin, &end))
{
std::vector<std::string> params;
std::vector<std::string> function;
TRexMatch params_match, func_match;
const TRexChar *cur_params;
const TRexChar *p_begin, *p_end;
//trex_getsubexp(tr_function, 1, &return_match); // not used for now
trex_getsubexp(tr_function.regex, 2, &func_match);
trex_getsubexp(tr_function.regex, 3, ¶ms_match);
keywords.function = std::string(func_match.begin, func_match.len);
// For each param
cur_params = params_match.begin;
while (trex_searchrange(tr_parameters.regex, cur_params, end, &p_begin, &p_end))
{
TRexMatch param_match;
trex_getsubexp(tr_parameters.regex, 1, ¶m_match);
// handle "func(void)" by skipping it
if (strncmp(param_match.begin, "void", 4) != 0)
keywords.parameters.push_back(std::string(param_match.begin, param_match.len));
cur_params = p_end;
}
}
return keywords;
}
int main(int argc, char *argv[])
{
TRex *r;
char *buf, *err = 0, *beg, *end, *q;
int l = 0;
if (argc == 1) {
fprintf(stderr, "Usage: cat in.file | %s <regexp>\n", argv[0]);
return 0;
}
r = trex_compile(argv[1], &err);
buf = calloc(BUF_SIZE, 1);
while (fgets(buf, BUF_SIZE - 1, stdin)) {
++l;
for (q = buf; *q; ++q); if (q > buf) *(q-1) = 0;
if (trex_search(r, buf, &beg, &end) == TRex_True)
printf("%d:%s\n", l, buf);
}
free(buf);
return 0;
}
Keywords Parse_C(const ParserDefinition *pd, const char *text)
{
Keywords keywords;
std::vector<std::string> params;
std::vector<std::string> function;
const TRexChar *begin,*end;
if(trex_search(tr_function, text, &begin, &end))
{
TRexMatch params_match, func_match;
const TRexChar *cur_params;
const TRexChar *p_begin, *p_end;
//trex_getsubexp(tr_function, 1, &return_match); // not used for now
trex_getsubexp(tr_function, 2, &func_match);
trex_getsubexp(tr_function, 3, ¶ms_match);
function.push_back(std::string(func_match.begin, func_match.len));
// For each param
cur_params = params_match.begin;
while(trex_searchrange(tr_parameters, cur_params, end, &p_begin, &p_end))
{
TRexMatch param_match;
trex_getsubexp(tr_parameters, 1, ¶m_match);
// handle "func(void)" by skipping it
if(strncmp(param_match.begin, "void", 4) != 0)
params.push_back(std::string(param_match.begin, param_match.len));
cur_params = p_end;
}
keywords["$PARAM"] = params;
keywords["$FUNCTION"] = function;
}
return keywords;
}
void test1()
{
const char *error = NULL;
const char *begin,*end;
char *exp1 = "^([^ ]+) (/[^?# ]*)(\\?[^# ]*)?(#[^ ]*)? HTTP/([^ ]+)$";
char *exp2 = "^([^ ]+): (.+)$";
char *exp3 = "([^=]+)(=[^&])?(&([^=]+)(=[^&]))*";
long long t = counter.Tick();
TRex *x = trex_compile(exp3, &error);
printf("compile %lld\n", counter.Tick() - t);
t = counter.Tick();
if(trex_search(x,"aaa=bbb&ccc=ddd&eee",&begin,&end))
{
printf("execute %lld\n", counter.Tick() - t);
int i,n = trex_getsubexpcount(x);
TRexMatch match;
for(i = 1; i < n; i++)
{
t = counter.Tick();
trex_getsubexp(x,i,&match);
printf("trex_getsubexp %lld ", counter.Tick() - t);
for(int j=0;j<match.len;j++)
putchar(match.begin[j]);
printf("\n");
}
printf("match! %d sub matches\n",trex_getsubexpcount(x));
}
else
{
printf("execute %lld\n", counter.Tick() - t);
printf("no match!\n");
}
}