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#include "StringUtils.h"
#include <vector>
std::string StringUtils::ToStdString(const wxString& str)
{
wxCharBuffer cb = str.ToAscii();
const char* data = cb.data();
if(!data) { data = str.mb_str(wxConvUTF8).data(); }
if(!data) { data = str.To8BitData(); }
std::string res;
if(!data) { return res; }
res = data;
return res;
}
#define BUFF_STATE_NORMAL 0
#define BUFF_STATE_IN_ESC 1
#define BUFF_STATE_IN_OSC 2
// see : https://en.wikipedia.org/wiki/ANSI_escape_code#Escape_sequences
void StringUtils::StripTerminalColouring(const std::string& buffer, std::string& modbuffer)
{
modbuffer.reserve(buffer.length());
short state = BUFF_STATE_NORMAL;
for(const char& ch : buffer) {
switch(state) {
case BUFF_STATE_NORMAL:
if(ch == 0x1B) { // found ESC char
state = BUFF_STATE_IN_ESC;
} else {
modbuffer += ch;
}
break;
case BUFF_STATE_IN_ESC:
switch(ch) {
case 'm':
case 'K':
case 'G':
case 'J':
case 'H':
case 'X':
case 'B':
case 'C':
case 'D':
case 'd':
state = BUFF_STATE_NORMAL;
break;
case ']':
// Operating System Command
state = BUFF_STATE_IN_OSC;
break;
default:
break;
}
break;
case BUFF_STATE_IN_OSC:
if(ch == '\a') {
// bell, leave the current state
state = BUFF_STATE_NORMAL;
}
break;
}
}
modbuffer.shrink_to_fit();
}
void StringUtils::StripTerminalColouring(const wxString& buffer, wxString& modbuffer)
{
std::string source = ToStdString(buffer);
std::string output;
StripTerminalColouring(source, output);
if(!output.empty()) {
modbuffer = wxString(output.c_str(), wxConvUTF8);
if(modbuffer.IsEmpty()) { modbuffer = wxString::From8BitData(output.c_str()); }
} else {
modbuffer.Clear();
}
}
#define ARGV_STATE_NORMAL 0
#define ARGV_STATE_DQUOTE 1
#define ARGV_STATE_SQUOTE 2
#define ARGV_STATE_ESCAPE 3
#define ARGV_STATE_BACKTICK 4
#define PUSH_CURTOKEN() \
{ \
if(!curstr.empty()) { \
A.push_back(curstr); \
curstr.clear(); \
} \
}
#define CHANGE_STATE(new_state) \
{ \
prev_state = state; \
state = new_state; \
}
#define RESTORE_STATE() \
{ \
state = prev_state; \
prev_state = ARGV_STATE_NORMAL; \
}
char** StringUtils::BuildArgv(const wxString& str, int& argc)
{
std::vector<wxString> A;
int state = ARGV_STATE_NORMAL;
int prev_state = ARGV_STATE_NORMAL;
wxString curstr;
for(wxChar ch : str) {
switch(state) {
case ARGV_STATE_NORMAL: {
switch(ch) {
case ' ':
case '\t':
PUSH_CURTOKEN();
break;
case '\'':
CHANGE_STATE(ARGV_STATE_SQUOTE);
curstr << ch;
break;
case '"':
CHANGE_STATE(ARGV_STATE_DQUOTE);
curstr << ch;
break;
case '`':
CHANGE_STATE(ARGV_STATE_BACKTICK);
curstr << ch;
break;
default:
curstr << ch;
break;
}
} break;
case ARGV_STATE_ESCAPE: {
if(prev_state == ARGV_STATE_DQUOTE) {
switch(ch) {
case '"':
curstr << "\"";
RESTORE_STATE();
break;
default:
curstr << "\\" << ch;
RESTORE_STATE();
break;
}
} else if(prev_state == ARGV_STATE_BACKTICK) {
switch(ch) {
case '`':
curstr << "`";
RESTORE_STATE();
break;
default:
curstr << "\\" << ch;
RESTORE_STATE();
break;
}
} else { // single quote
switch(ch) {
case '\'':
curstr << "'";
RESTORE_STATE();
break;
default:
curstr << "\\" << ch;
RESTORE_STATE();
break;
}
}
//switch(ch) {
//case 'n':
// curstr << "\n";
// RESTORE_STATE();
// break;
//case 'b':
// curstr << "\b";
// RESTORE_STATE();
// break;
//case 't':
// curstr << "\t";
// RESTORE_STATE();
// break;
//case 'r':
// curstr << "\r";
// RESTORE_STATE();
// break;
//case 'v':
// curstr << "\v";
// RESTORE_STATE();
// break;
//default:
// curstr << "\\" << ch;
// RESTORE_STATE();
// break;
//}
} break;
case ARGV_STATE_DQUOTE: {
switch(ch) {
case '\\':
CHANGE_STATE(ARGV_STATE_ESCAPE);
break;
case '"':
curstr << ch;
RESTORE_STATE();
break;
default:
curstr << ch;
break;
}
} break;
case ARGV_STATE_SQUOTE: {
switch(ch) {
case '\\':
CHANGE_STATE(ARGV_STATE_ESCAPE);
break;
case '\'':
curstr << ch;
RESTORE_STATE();
break;
default:
curstr << ch;
break;
}
} break;
case ARGV_STATE_BACKTICK: {
switch(ch) {
case '\\':
CHANGE_STATE(ARGV_STATE_ESCAPE);
break;
case '`':
curstr << ch;
RESTORE_STATE();
break;
default:
curstr << ch;
break;
}
} break;
}
}
if(!curstr.IsEmpty()) { A.push_back(curstr); }
if(A.empty()) { return nullptr; }
char** argv = new char*[A.size() + 1];
argv[A.size()] = NULL;
for(size_t i = 0; i < A.size(); ++i) {
argv[i] = strdup(A[i].mb_str(wxConvUTF8).data());
}
argc = (int)A.size();
return argv;
}
void StringUtils::FreeArgv(char** argv, int argc)
{
for(int i = 0; i < argc; ++i) {
free(argv[i]);
}
delete[] argv;
}
wxArrayString StringUtils::BuildArgv(const wxString& str)
{
int argc = 0;
char** argv = BuildArgv(str, argc);
wxArrayString arrArgv;
for(int i = 0; i < argc; ++i) {
arrArgv.Add(argv[i]);
}
FreeArgv(argv, argc);
for(wxString& s : arrArgv) {
if((s.length() > 1) && s.StartsWith("\"") && s.EndsWith("\"")) { s.RemoveLast().Remove(0, 1); }
}
return arrArgv;
}
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