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#include <string>
#include <vector>
#include <fstream>
#include <sys/types.h>
#include <iostream>
using namespace std;
#include "category.h"
#include "currents.h"
#include "files.h"
#include "globals.h"
#include "utility.h"
#include "errors.h"
#include "navigation.h"
#include "parser.h"
#ifdef GUI
#include <qstatusbar.h>
#include <qmessagebox.h>
#include "http.h"
#include "preferences.h"
#include "browser.h"
#endif
// load a dii file, or one of its mirrors and go to the root of it. first check to see
// if this file, or one of its mirrors is contained in the dii file cache.
int loadDIIFile( string path, string file )
{
Currents c; c.save();
// cout << "LOAD FILE " + path + "|" + file << endl;
vector<string> mirrors;
dirToVec( path, mirrors, ',', TRUE );
if( mirrors.empty() )
mirrors.push_back( "" );
aPath = mirrors[ mirrors.size()-1 ];
// have we cached one of the mirrors ?
int entry;
for( unsigned int n = 0; n < mirrors.size(); n++ )
if( cached( mirrors[n], file, entry ) )
{
#ifndef GUI
if( !checkingstructure )
cout << "( " << slashConcat( mirrors[n], file ) << " already parsed )" << endl;
#endif
cCategory = cacheCatv[ entry ];
aPath = cacheAddressv[ 3*entry ];
cPath = cacheAddressv[ 3*entry+1 ];
cFile = cacheAddressv[ 3*entry+2 ];
return TRUE;
}
// when checking structure, we don't load new files
if( checkingstructure )
return FALSE;
// try if we can open the file, or one of the mirrors
int n;
string extdir;
for( n = mirrors.size()-1; n >= 0; n-- )
{
extdir = slashConcat( mirrors[n], file );
if( readFile( extdir ) )
break;
if( aborted )
BACKTRACK
}
// if that fails, try the cache server
if( n == -1 )
{
string cacheaddress;
string path = mirrors[ mirrors.size()-1 ];
if( path.find( "http://" ) == 0 )
cacheaddress = "http://cache:" + path.substr( 7, path.length()-7 );
aborted = FALSE;
if( ( cacheaddress == "" ) ||
#ifdef GUI
( config->cacheServer() == "" ) ||
#endif
( !readFile( slashConcat( cacheaddress, file ) ) ) )
{
if( aborted )
BACKTRACK
string msg = "could not open:";
for( unsigned int n = 0; n < mirrors.size(); n++ )
msg += "\n" + slashConcat( mirrors[n], file );
showNavigationError( msg );
browser->statusBar()->message( "Ready.." );
BACKTRACK
}
cPath = cacheaddress;
}
else
cPath = mirrors[n];
cFile = file;
if( !( cCategory = processDIIFile( extdir ) ) )
BACKTRACK
cacheCatv.push_back( cCategory );
cacheAddressv.push_back( aPath );
cacheAddressv.push_back( cPath );
cacheAddressv.push_back( cFile );
cacheSourcev.push_back( sourcev );
return TRUE;
}
// given the address of a file, try to read its contents in vector<string> *sourcev.
int readFile( string address )
{
// cout << "read " << address << endl;
if( address.find( "http://" ) == 0 )
{
#ifdef GUI
if ( address.find( "cache:" ) == 7 )
address = slashConcat( config->cacheServer(), "requestfile.php?url=http://" +
address.substr( 13, address.length()-13 ) );
Http http;
return http.getFile( address );
#else
if( address.find( "cache:" ) == 7 )
address = "c:/cache/" + address.substr( 13, address.length()-13 );
else
address = "c:/" + address.substr( 7, address.length()-7 );
#endif
}
ifstream ifs;
ifs.open( address.c_str() );
if( !ifs.good() )
return FALSE;
ifs.unsetf( ios::skipws );
string line;
sourcev = new vector<string>;
while( !ifs.eof() )
{
getline( ifs, line, '\n' );
sourcev->push_back( line );
}
ifs.close();
return TRUE;
}
// destroy everything that is cached ( categories, source files, .. )
void clearCache()
{
Currents c; c.save();
for( unsigned int n = 0; n < cacheCatv.size(); n++ )
{
delete cacheCatv[n];
delete cacheSourcev[n];
}
cacheCatv.clear();
cacheAddressv.clear();
cacheSourcev.clear();
cCategory = 0;
for( unsigned int n = 0; n < backTracev.size(); n++ )
backTracev[n].c_selectionentered = FALSE;
if( clear_goto( c.fullpath ) )
c.load_nosel();
}
// check cache for occurrence of file
int cached( string path, string file, int &entry )
{
for( entry = 0; entry < cacheCatv.size(); entry++ )
if( ( cacheAddressv[3*entry+1] == path ) && ( cacheAddressv[3*entry+2] == file ) )
return TRUE;
return FALSE;
}
void launchExtension( string address )
{
#ifdef GUI
launchExtension( config->webBrowser(), address );
#else
cout << "launch extension on:" << endl << address << endl;
#endif
}
void launchExtension( string application, string address )
{
#ifdef DEBUGOUTPUT
cout << "exec " + application + " " + address << endl;
#endif
#ifdef GUI
if( application == "" )
{
QMessageBox::warning( browser, "Error", "Please enter an application for this purpose" );
config->show();
return;
}
browser->timedMessage( "Launching..", 2000 );
/* if( vfork() == 0 )
{
if( execlp( application.c_str(), application.c_str(), address.c_str(), (char *) 0 ) < 0 )
cout << "could not launch application" << endl;
exit(0);
}
*/
system( string( application + " " + address + "&" ).c_str() );
#endif
}
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