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59 changes: 49 additions & 10 deletions main.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,9 @@
#include <cstring>
#include <fstream>
#include <iostream>
#include <sys/stat.h>
#include <sstream>
#include <string>
#include <sys/stat.h>
#include <utility>
#include <vector>

Expand All @@ -27,7 +28,12 @@ int main(int argc, char **argv)
{
bool error = false;
const char *filename = nullptr;
bool use_istream = false;
enum {
File,
Fstream,
Sstream,
CharBuffer
} toklist_inf = File;
bool fail_on_error = false;
bool linenrs = false;

Expand Down Expand Up @@ -85,9 +91,6 @@ int main(int argc, char **argv)
break;
}
dui.includes.emplace_back(std::move(value));
} else if (std::strncmp(arg, "-is",3)==0) {
found = true;
use_istream = true;
}
break;
case 's':
Expand All @@ -101,6 +104,10 @@ int main(int argc, char **argv)
}
dui.std = std::move(value);
}
else if (std::strncmp(arg, "-ss",3)==0) {
toklist_inf = Sstream;
found = true;
}
break;
case 'q':
found = true;
Expand All @@ -111,13 +118,29 @@ int main(int argc, char **argv)
error_only = true;
break;
case 'f':
found = true;
fail_on_error = true;
if (std::strncmp(arg, "-file",5)==0) {
toklist_inf = File;
found = true;
}
else if (std::strncmp(arg, "-fs",3)==0) {
toklist_inf = Fstream;
found = true;
}
else {
fail_on_error = true;
found = true;
}
break;
case 'l':
linenrs = true;
found = true;
break;
case 'b':
if (std::strncmp(arg, "-buf",4)==0) {
toklist_inf = CharBuffer;
found = true;
}
break;
}
if (!found) {
std::cout << "error: option '" << arg << "' is unknown." << std::endl;
Expand Down Expand Up @@ -148,7 +171,10 @@ int main(int argc, char **argv)
std::cout << " -UNAME Undefine NAME." << std::endl;
std::cout << " -std=STD Specify standard." << std::endl;
std::cout << " -q Quiet mode (no output)." << std::endl;
std::cout << " -is Use std::istream interface." << std::endl;
std::cout << " -file Consume input as file pointer (default)." << std::endl;
std::cout << " -fs Consume input as file stream." << std::endl;
std::cout << " -ss Consume input as string string." << std::endl;
std::cout << " -buf Consume input as char buffer." << std::endl;
std::cout << " -e Output errors only." << std::endl;
std::cout << " -f Fail when errors were encountered (exitcode 1)." << std::endl;
std::cout << " -l Print lines numbers." << std::endl;
Expand Down Expand Up @@ -188,8 +214,21 @@ int main(int argc, char **argv)
simplecpp::TokenList outputTokens(files);
{
simplecpp::TokenList *rawtokens;
if (use_istream) {
rawtokens = new simplecpp::TokenList(f, files,filename,&outputList);
if (toklist_inf == Fstream) {
rawtokens = new simplecpp::TokenList(f,files,filename,&outputList);
}
else if (toklist_inf == Sstream || toklist_inf == CharBuffer) {
std::ostringstream oss;
oss << f.rdbuf();
f.close();
const std::string s = oss.str();
if (toklist_inf == Sstream) {
std::istringstream iss(s);
rawtokens = new simplecpp::TokenList(iss,files,filename,&outputList);
}
else {
rawtokens = new simplecpp::TokenList(s.data(),s.size(),files,filename,&outputList);
}
} else {
f.close();
rawtokens = new simplecpp::TokenList(filename,files,&outputList);
Expand Down