int applypatch(int argc, char * argv[]){
if (argc!=4) {
std::cout<<"patch command parameter:\n oldFileName diffFileName outNewFileName\n";
return 0;
}
const char* oldFileName=argv[1];
const char* diffFileName=argv[2];
const char* outNewFileName=argv[3];
std::cout<<"old :\"" <<oldFileName<< "\"\ndiff:\""<<diffFileName<<"\"\nout :\""<<outNewFileName<<"\"\n";
clock_t time0=clock();
{
TFileStreamInput oldData(oldFileName);
TFileStreamInput diffData(diffFileName);
const hpatch_StreamPos_t newDataSize=readNewDataSize(diffData);
TFileStreamOutput newData(outNewFileName,newDataSize);
clock_t time1=clock();
if (!patch_stream(&newData, &oldData, &diffData)){
std::cout<<" patch_stream run error!!!\n";
exit(3);
}
clock_t time2=clock();
std::cout<<" patch_stream ok!\n";
std::cout<<"oldDataSize : "<<oldData.streamSize<<"\ndiffDataSize: "<<diffData.streamSize<<"\nnewDataSize : "<<newDataSize<<"\n";
std::cout<<"\npatch time:"<<(time2-time1)*(1000.0/CLOCKS_PER_SEC)<<" ms\n";
}
clock_t time3=clock();
std::cout<<"all run time:"<<(time3-time0)*(1000.0/CLOCKS_PER_SEC)<<" ms\n";
return 0;
}
int
affx::TsvFileDiff::diff(affx::TsvFile& tsv1, affx::TsvFile& tsv2)
{
int start_diff_cnt=m_diff_cnt;
//
if (m_opt_do_headers) {
diffHeaders(tsv1,tsv2);
}
if (m_opt_do_data) {
diffData(tsv1,tsv2);
}
//
return m_diff_cnt-start_diff_cnt;
}
static hpatch_StreamPos_t readNewDataSize(TFileStreamInput& diffFileData){
TUInt readLength=9;
if (readLength>diffFileData.streamSize)
readLength=(TUInt)diffFileData.streamSize;
std::vector<TByte> diffData(readLength);
TByte* diffData_begin=0; if (!diffData.empty()) diffData_begin=&diffData[0];
assert(diffFileData.m_offset==0);
diffFileData.read(diffFileData.streamHandle,0,diffData_begin,diffData_begin+readLength);
TUInt kNewDataSizeSavedSize=-1;
const hpatch_StreamPos_t newDataSize=readSavedSize(diffData,&kNewDataSizeSavedSize);
diffFileData.setHeadSize(kNewDataSizeSavedSize);//4 or 9 byte
return newDataSize;
}
