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#include <library/cpp/resource/registry.h>
#include <util/stream/file.h>
#include <util/folder/path.h>
using namespace NResource;
class TAsmWriter {
private:
IOutputStream& AsmOut;
TString AsmPrefix;
public:
TAsmWriter(IOutputStream& out, const TString& prefix) : AsmOut(out), AsmPrefix(prefix)
{
}
void Write(TStringBuf filename, const TString& data, bool raw) {
TString constname(Basename(filename));
if (constname.rfind('.') != TStringBuf::npos) {
constname = constname.substr(0, constname.rfind('.'));
}
WriteHeader(constname);
if (raw) {
WriteRaw(constname, data);
} else {
WriteIncBin(constname, filename, data);
}
WriteFooter(constname);
WriteSymbolSize(constname);
}
private:
void WriteHeader(const TStringBuf& constname) {
AsmOut << "global " << AsmPrefix << constname << "\n";
AsmOut << "global " << AsmPrefix << constname << "Size\n";
AsmOut << "SECTION .rodata\n";
}
void WriteFooter(TStringBuf constname) {
AsmOut << AsmPrefix << constname << "Size:\n";
AsmOut << "dd " << AsmPrefix << constname << ".end - " << AsmPrefix << constname << "\n";
}
void WriteSymbolSize(TStringBuf constname) {
AsmOut << "%ifidn __OUTPUT_FORMAT__,elf64\n";
AsmOut << "size " << AsmPrefix << constname << " " << AsmPrefix << constname << ".end - " << AsmPrefix << constname << "\n";
AsmOut << "size " << AsmPrefix << constname << "Size 4\n";
AsmOut << "%endif\n";
}
void WriteIncBin(TStringBuf constname, TStringBuf filename, const TString& data) {
AsmOut << AsmPrefix << constname << ":\nincbin \"" << Basename(filename) << "\"\n";
AsmOut << ".end:\n";
TFixedBufferFileOutput out(filename.data());
out << data;
}
void WriteRaw(TStringBuf constname, const TString& data) {
AsmOut << AsmPrefix << constname << ":\ndb ";
for (size_t i = 0; i < data.size() - 1; i++) {
unsigned char c = static_cast<unsigned char>(data[i]);
AsmOut << IntToString<10, unsigned char>(c) << ",";
}
AsmOut << IntToString<10, unsigned char>(static_cast<unsigned char>(data[data.size() - 1])) << "\n";
AsmOut << ".end:\n";
}
TString Basename(TStringBuf origin) {
TString result(origin);
if (result.rfind('/') != TString::npos) {
result = result.substr(result.rfind('/') + 1);
} else if (result.rfind('\\') != TString::npos) {
result = result.substr(result.rfind('\\') + 1);
}
return result;
}
};
static TString CompressPath(const TVector<TStringBuf>& replacements, TStringBuf in) {
for (auto r : replacements) {
TStringBuf from, to;
r.Split('=', from, to);
if (in.StartsWith(from)) {
return Compress(TString(to) + in.SubStr(from.Size()));
}
}
return Compress(in);
}
int main(int argc, char** argv) {
int ind = 0;
if (argc < 4) {
Cerr << "usage: " << argv[ind] << "asm_output --prefix? [-? origin_resource ro_resource]+" << Endl;
return 1;
}
TVector<TStringBuf> replacements;
ind++;
TFixedBufferFileOutput asmout(argv[ind]);
ind++;
TString prefix;
if (TStringBuf(argv[ind]) == "--prefix") {
prefix = "_";
ind++;
}
else {
prefix = "";
}
while (TStringBuf(argv[ind]).StartsWith("--replace=")) {
replacements.push_back(TStringBuf(argv[ind]).SubStr(TStringBuf("--replace=").Size()));
ind++;
}
TAsmWriter aw(asmout, prefix);
bool raw;
bool error = false;
while (ind < argc) {
TString compressed;
if ("-"sv == argv[ind]) {
ind++;
if (ind >= argc) {
error = true;
break;
}
compressed = CompressPath(replacements, TStringBuf(argv[ind]));
raw = true;
}
else {
TUnbufferedFileInput inp(argv[ind]);
TString data = inp.ReadAll();
compressed = Compress(TStringBuf(data.data(), data.size()));
raw = false;
}
ind++;
if (ind >= argc) {
error = true;
break;
}
aw.Write(argv[ind], compressed, raw);
ind++;
}
if (error) {
Cerr << "Incorrect number of parameters at argument " << ind - 1 << argv[ind-1] << Endl;
return 1;
}
return 0;
}
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