146 lines
3.4 KiB
C++
146 lines
3.4 KiB
C++
/*
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Command line parsing
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*/
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#include <cstdio>
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#include <cctype>
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#include <cstring>
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#include "cfg/cfg.h"
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#include "stdclass.h"
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static int setconfig(char *arg[], int cl)
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{
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int rv=0;
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if (cl < 1)
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{
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WARN_LOG(COMMON, "-config : invalid number of parameters, format is section:key=value,section:key=value,...");
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return rv;
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}
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std::string value(arg[1]);
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for(;;)
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{
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auto seppos = value.find(':');
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if (seppos == std::string::npos)
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{
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WARN_LOG(COMMON, "-config : invalid parameter %s, format is section:key=value,section:key=value,...", value.c_str());
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break;
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}
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auto eqpos = value.find('=', seppos);
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if (eqpos == std::string::npos)
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{
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WARN_LOG(COMMON, "-config : invalid parameter %s, format is section:key=value,section:key=value,...", value.c_str());
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break;
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}
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auto commapos = value.find(',', eqpos);
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std::string sect = trim_ws(value.substr(0, seppos));
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std::string key = trim_ws(value.substr(seppos + 1, eqpos - seppos - 1));
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auto endofcurrent = (commapos == std::string::npos) ? value.size() : commapos;
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std::string next = (commapos == std::string::npos) ? "" : trim_ws(value.substr(endofcurrent + 1, value.size() - endofcurrent));
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value = trim_ws(value.substr(eqpos + 1, endofcurrent - eqpos - 1));
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if (sect.empty() || key.empty())
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{
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WARN_LOG(COMMON, "-config : invalid parameter, format is section:key=value,section:key=value,...");
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break;
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}
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INFO_LOG(COMMON, "Virtual cfg %s:%s=%s", sect.c_str(), key.c_str(), value.c_str());
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cfgSetVirtual(sect, key, value);
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if (commapos == std::string::npos)
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rv++;
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if (commapos != std::string::npos)
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{
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value = next;
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continue;
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}
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else if (cl>=3 && strcmp(arg[2],",")==0)
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{
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cl-=2;
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arg+=2;
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rv++;
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continue;
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}
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else
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break;
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}
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return rv;
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}
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static int showhelp()
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{
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printf("Usage: flycast [OPTION]... [CONTENT]\n\n");
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printf("Options:\n");
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printf("-config section:key=value add a virtual config value;\n");
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printf(" virtual config values won't be saved to the .cfg file\n");
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printf(" unless a different value is written to them\n");
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printf("-help display this help\n");
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exit(0);
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return 0;
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}
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bool ParseCommandLine(int argc,char* argv[])
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{
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settings.content.path.clear();
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int cl=argc-2;
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char** arg=argv+1;
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while(cl>=0)
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{
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if (stricmp(*arg,"-help")==0 || stricmp(*arg,"--help")==0)
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{
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showhelp();
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}
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else if (stricmp(*arg,"-config")==0 || stricmp(*arg,"--config")==0)
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{
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int as=setconfig(arg,cl);
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cl-=as;
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arg+=as;
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}
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#if defined(__APPLE__)
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else if (!strncmp(*arg, "-NSDocumentRevisions", 20))
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{
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arg++;
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cl--;
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}
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#endif
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else if ((*arg)[0] == '-')
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{
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WARN_LOG(COMMON, "Ignoring unknown command line option '%s'", *arg);
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}
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else
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{
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char* extension = strrchr(*arg, '.');
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if (extension
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&& (stricmp(extension, ".cdi") == 0 || stricmp(extension, ".chd") == 0
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|| stricmp(extension, ".gdi") == 0 || stricmp(extension, ".cue") == 0))
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{
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INFO_LOG(COMMON, "Using '%s' as cd image", *arg);
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settings.content.path = *arg;
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}
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else if (extension && stricmp(extension, ".elf") == 0)
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{
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INFO_LOG(COMMON, "Using '%s' as reios elf file", *arg);
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cfgSetVirtual("config", "bios.UseReios", "yes");
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settings.content.path = *arg;
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}
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else
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{
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INFO_LOG(COMMON, "Using '%s' as rom", *arg);
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settings.content.path = *arg;
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}
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}
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arg++;
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cl--;
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}
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return false;
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}
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