106 lines
3.0 KiB
C++
106 lines
3.0 KiB
C++
/************************************************************************
|
|
* Member functions for WildCardString class
|
|
***********************************************************************/
|
|
#include <cstring>
|
|
|
|
/* Headers from vtrutil library */
|
|
#include "vtr_assert.h"
|
|
#include "vtr_log.h"
|
|
|
|
#include "openfpga_wildcard_string.h"
|
|
|
|
/* namespace openfpga begins */
|
|
namespace openfpga {
|
|
|
|
/************************************************************************
|
|
* Constructors
|
|
***********************************************************************/
|
|
WildCardString::WildCardString(const std::string& data) {
|
|
set_data(data);
|
|
}
|
|
|
|
/************************************************************************
|
|
* Public Accessors
|
|
***********************************************************************/
|
|
std::string WildCardString::data() const {
|
|
return data_;
|
|
}
|
|
|
|
/************************************************************************
|
|
* Public Mutators
|
|
***********************************************************************/
|
|
void WildCardString::set_data(const std::string& data) {
|
|
data_ = data;
|
|
|
|
set_default_wildcard_char();
|
|
set_default_sensitive_chars();
|
|
apply_wildcard_char();
|
|
compress();
|
|
}
|
|
|
|
/************************************************************************
|
|
* Internal Mutators
|
|
***********************************************************************/
|
|
void WildCardString::set_default_wildcard_char() {
|
|
wildcard_char_ = '*';
|
|
}
|
|
|
|
void WildCardString::set_default_sensitive_chars() {
|
|
sensitive_chars_.clear();
|
|
sensitive_chars_.reserve(10);
|
|
sensitive_chars_.push_back('0');
|
|
sensitive_chars_.push_back('1');
|
|
sensitive_chars_.push_back('2');
|
|
sensitive_chars_.push_back('3');
|
|
sensitive_chars_.push_back('4');
|
|
sensitive_chars_.push_back('5');
|
|
sensitive_chars_.push_back('6');
|
|
sensitive_chars_.push_back('7');
|
|
sensitive_chars_.push_back('8');
|
|
sensitive_chars_.push_back('9');
|
|
}
|
|
|
|
void WildCardString::apply_wildcard_char() {
|
|
/* Step by step:
|
|
* For each sensitive character,
|
|
* replace all of its occurance in the string data_ with wildcard character
|
|
*/
|
|
for (const char& char_to_replace : sensitive_chars_) {
|
|
size_t cur_pos = 0;
|
|
std::string::size_type found;
|
|
while (std::string::npos != (found = data_.find_first_of(char_to_replace, cur_pos))) {
|
|
data_.replace(found, 1, 1, wildcard_char_);
|
|
cur_pos = found + 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void WildCardString::compress() {
|
|
for (std::string::size_type i = 0; i < data_.size(); ++i) {
|
|
/* Care only wildcard character */
|
|
if (wildcard_char_ != data_[i]) {
|
|
continue;
|
|
}
|
|
|
|
/* Finish if this is the end of string */
|
|
if (data_.size() - 1 == i) {
|
|
break;
|
|
}
|
|
|
|
/* Try to find the next element and see if the same as wild card
|
|
* Keep erase the next element until we have a non-wildcard character
|
|
*/
|
|
while (data_[i] == data_[i + 1]) {
|
|
/* Erase the next element */
|
|
data_.erase(i + 1, 1);
|
|
|
|
/* Finish if this is the end of string */
|
|
if (data_.size() - 1 == i) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
} /* namespace openfpga ends */
|