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#include "util.h"
#include <util/generic/utility.h>
#include <cstdio>
#include <cstdarg>
#include <cstdlib>
int a2i(const TString& s) {
return atoi(s.c_str());
}
//============================== span =====================================
void str_spn::init(const char* charset, bool extended) {
// chars_table_1 is necessary to avoid some unexpected
// multi-threading issues
ui8 chars_table_1[256];
memset(chars_table_1, 0, sizeof(chars_table_1));
if (extended) {
for (const char* cs = charset; *cs; cs++) {
if (cs[1] == '-' && cs[2] != 0) {
for (int c = (ui8)*cs; c <= (ui8)cs[2]; c++) {
chars_table_1[c] = 1;
}
cs += 2;
continue;
}
chars_table_1[(ui8)*cs] = 1;
}
} else {
for (; *charset; charset++) {
chars_table_1[(ui8)*charset] = 1;
}
}
memcpy(chars_table, chars_table_1, 256);
chars_table_1[0] = 1;
for (int n = 0; n < 256; n++) {
c_chars_table[n] = !chars_table_1[n];
}
}
Tr::Tr(const char* from, const char* to) {
for (size_t n = 0; n < 256; n++) {
Map[n] = (char)n;
}
for (; *from && *to; from++, to++) {
Map[(ui8)*from] = *to;
}
}
size_t Tr::FindFirstChangePosition(const TString& str) const {
for (auto it = str.begin(); it != str.end(); ++it) {
if (ConvertChar(*it) != *it) {
return it - str.begin();
}
}
return TString::npos;
}
void Tr::Do(TString& str) const {
const size_t changePosition = FindFirstChangePosition(str);
if (changePosition == TString::npos) {
return;
}
for (auto it = str.begin() + changePosition; it != str.end(); ++it) {
*it = ConvertChar(*it);
}
}
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