dealevent.cpp

小型搜索引擎,用C/C++编写,属于全文搜索引擎

#include "Tse.h"
#include "HttpTse.h"

using namespace std;

extern int FindUrl(const char *url, char **content);
extern int FindKey(const char *key);

void DoSearch()
{
	for(;;){

		cout << "*********************************************" << endl;
		cout << "Tse searching mode." << endl;
		cout <<	"*********************************************" << endl;
		cout << "a.Search a key word" << endl;
		cout << "b.Search a URL" << endl;
		cout << "c.Exit" << endl;
		cout << "*********************************************" << endl;

		string c;
		for(;;){
			cin >> c;
			if( c == "a" || c == "b" || c == "c" ) break;
		}

		if( c == "a"){
			cout << "Please enter the query words:" << endl;

			string s;
			cin >> s;

			int num = FindKey(s.c_str());
			cout << "There are " << num << " pages containing the key,"
				<< " see the above information." << endl << endl;

			continue;

		}

		if( c == "b"){
			cout << "Please enter the url:" << endl;

			string s;
			cin >> s;

			char *sContentBuf=NULL;
			if( FindUrl(s.c_str(), &sContentBuf) == -1 ){
                        	printf("Haven't found the url.\n");
			}else{
				//cout << content << endl;

				for(unsigned int i=512; (i<strlen(sContentBuf))&&(i<600); i++){
					if((sContentBuf[i] == '\n') || (sContentBuf[i] == '\r')){
						sContentBuf[i] = '\0';
						break;
					}
					if(i == 599){
						sContentBuf[i] = '\0';
					}
				}

				cout << endl << sContentBuf << endl << "......" << endl << endl;

				if( sContentBuf) free(sContentBuf);
			}

			cout << "b over" << endl;
			continue;
			
                }


		if( c == "c" ) exit(0);
	}
}

void DoHelp()
{
	cout << "Tse 1.0" << endl;
	cout << "Tiny Web Searching Engine, July 2003" << endl;
	cout << "Syntax:" << endl;
	cout << "\tTse -c inputFileName outputFileName" << endl;
	cout << "\tTse -s" << endl;
	cout << "The input file contains a list of URLs for crawling.-c is to crawl all urls of inutFileName, and to save parsed links in outputFileName file. -s is a searching mode.In the extended mode,all the hypertext links in the webpages will be stored in the outputfile in the same format as the input file." << endl;

	exit(0);
}