C++ Section::GetPropValue方法代码示例

bool DOS_Shell::CheckConfig(char* cmd_in,char*line) {
	Section* test = control->GetSectionFromProperty(cmd_in);
	if(!test) return false;
	if(line && !line[0]) {
		std::string val = test->GetPropValue(cmd_in);
		if(val != NO_SUCH_PROPERTY) WriteOut("%s\n",val.c_str());
		return true;
	}
	char newcom[1024]; newcom[0] = 0; strcpy(newcom,"z:\\config -set ");
	strcat(newcom,test->GetName());	strcat(newcom," ");
	strcat(newcom,cmd_in);strcat(newcom,line);
	DoCommand(newcom);
	return true;
}

void CONFIG::Run(void) {
	FILE * f;
	if (cmd->FindString("-writeconf",temp_line,true) 
			|| cmd->FindString("-wc",temp_line,true)) {
		/* In secure mode don't allow a new configfile to be created */
		if(control->SecureMode()) {
			WriteOut(MSG_Get("PROGRAM_CONFIG_SECURE_DISALLOW"));
			return;
		}
		f=fopen(temp_line.c_str(),"wb+");
		if (!f) {
			WriteOut(MSG_Get("PROGRAM_CONFIG_FILE_ERROR"),temp_line.c_str());
			return;
		}
		fclose(f);
		control->PrintConfig(temp_line.c_str());
		return;
	}
	if (cmd->FindString("-writelang",temp_line,true)
			||cmd->FindString("-wl",temp_line,true)) {
		/* In secure mode don't allow a new languagefile to be created
		 * Who knows which kind of file we would overwriting. */
		if(control->SecureMode()) {
			WriteOut(MSG_Get("PROGRAM_CONFIG_SECURE_DISALLOW"));
			return;
		}
		f=fopen(temp_line.c_str(),"wb+");
		if (!f) {
			WriteOut(MSG_Get("PROGRAM_CONFIG_FILE_ERROR"),temp_line.c_str());
			return;
		}
		fclose(f);
		MSG_Write(temp_line.c_str());
		return;
	}

	/* Code for switching to secure mode */
	if(cmd->FindExist("-securemode",true)) {
		control->SwitchToSecureMode();
		WriteOut(MSG_Get("PROGRAM_CONFIG_SECURE_ON"));
		return;
	}
   
	/* Code for getting the current configuration.           *
	 * Official format: config -get "section property"       *
	 * As a bonus it will set %CONFIG% to this value as well */
	if(cmd->FindString("-get",temp_line,true)) {
		std::string temp2 = "";
		cmd->GetStringRemain(temp2);//So -get n1 n2= can be used without quotes
		if(temp2 != "") temp_line = temp_line + " " + temp2;

		std::string::size_type space = temp_line.find(" ");
		if(space == std::string::npos) {
			WriteOut(MSG_Get("PROGRAM_CONFIG_GET_SYNTAX"));
			return;
		}
		//Copy the found property to a new string and erase from templine (mind the space)
		std::string prop = temp_line.substr(space+1); temp_line.erase(space);

		Section* sec = control->GetSection(temp_line.c_str());
		if(!sec) {
			WriteOut(MSG_Get("PROGRAM_CONFIG_SECTION_ERROR"),temp_line.c_str());
			return;
		}
		std::string val = sec->GetPropValue(prop.c_str());
		if(val == NO_SUCH_PROPERTY) {
			WriteOut(MSG_Get("PROGRAM_CONFIG_NO_PROPERTY"),prop.c_str(),temp_line.c_str());   
			return;
		}
		WriteOut("%s",val.c_str());
		first_shell->SetEnv("CONFIG",val.c_str());
		return;
	}



	/* Code for the configuration changes                                  *
	 * Official format: config -set "section property=value"               *
	 * Accepted: without quotes and/or without -set and/or without section *
	 *           and/or the "=" replaced by a " "                          */

	if (cmd->FindString("-set",temp_line,true)) { //get all arguments
		std::string temp2 = "";
		cmd->GetStringRemain(temp2);//So -set n1 n2=n3 can be used without quotes
		if(temp2!="") temp_line = temp_line + " " + temp2;
	} else 	if(!cmd->GetStringRemain(temp_line)) {//no set 
			WriteOut(MSG_Get("PROGRAM_CONFIG_USAGE")); //and no arguments specified
			return;
	};
	//Wanted input: n1 n2=n3
	char copy[1024];
	strcpy(copy,temp_line.c_str());
	//seperate section from property
	const char* temp = strchr(copy,' ');
	if((temp && *temp) || (temp=strchr(copy,'=')) ) copy[temp++ - copy]= 0;
	else {
		WriteOut(MSG_Get("PROGRAM_CONFIG_USAGE"));
		return;
	}
	//if n1 n2 n3 then replace last space with =
//.........这里部分代码省略.........

//.........这里部分代码省略.........
			}
			switch(pvars.size()) {
			case 1: {
				// property/section only
				// is it a section?
				Section* sec = control->GetSection(pvars[0].c_str());
				if (sec) {
					// list properties in section
					Bitu i = 0;
					Section_prop* psec = dynamic_cast <Section_prop*>(sec);
					if (psec==NULL) {
						// autoexec section
						Section_line* pline = dynamic_cast <Section_line*>(sec);
						if (pline==NULL) E_Exit("Section dynamic cast failed.");

						WriteOut("%s",pline->data.c_str());
						break;
					}
					while(true) {
						// list the properties
						Property* p = psec->Get_prop(i++);
						if (p==NULL) break;
						WriteOut("%s=%s\n", p->propname.c_str(),
							p->GetValue().ToString().c_str());
					}
				} else {
					// no: maybe it's a property?
					sec = control->GetSectionFromProperty(pvars[0].c_str());
					if (!sec) {
						WriteOut(MSG_Get("PROGRAM_CONFIG_PROPERTY_ERROR"));
						return;
					}
					// it's a property name
					std::string val = sec->GetPropValue(pvars[0].c_str());
					WriteOut("%s",val.c_str());
				}
				break;
			}
			case 2: {
				// section + property
				Section* sec = control->GetSection(pvars[0].c_str());
				if (!sec) {
					WriteOut(MSG_Get("PROGRAM_CONFIG_SECTION_ERROR"));
					return;
				}
				std::string val = sec->GetPropValue(pvars[1].c_str());
				if (val == NO_SUCH_PROPERTY) {
					WriteOut(MSG_Get("PROGRAM_CONFIG_NO_PROPERTY"),
						pvars[1].c_str(),pvars[0].c_str());   
					return;
				}
				WriteOut("%s",val.c_str());
				break;
			}
			default:
				WriteOut(MSG_Get("PROGRAM_CONFIG_GET_SYNTAX"));
				return;
			}
			return;
		}
		case P_SETPROP:	{
			// Code for the configuration changes
			// Official format: config -set "section property=value"
			// Accepted: with or without -set, 
			// "section property value"
			// "section property=value"