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#include <string>
#include <vector>
#include <iostream>
using namespace std;
#include "addressing.h"
#include "utility.h"
#include "globals.h"
#include "errors.h"
int parseAddress( string address, int &p_dii, string &p_extdir, string &p_file, string &p_intdir )
{
// if( !checkingstructure ) cout << "PARSE |" << address << "|" << endl;
p_dii = FALSE;
p_extdir = p_file = p_intdir = "";
string site;
string rest;
vector<string> mirrorv;
int i;
unsigned int j;
vector<string> dirs;
// save mirror locations
if( ( i = address.find_last_of( ',' ) ) != -1 )
{
dirToVec( address.substr( 0, i ), mirrorv, ',', FALSE );
address = trim( address.substr( i+1, address.length()-i-1 ) );
}
// internal absolute address
if( address.find_first_of( '/' ) == 0 )
{
dirToVec( address.substr( 1, address.length()-1 ), dirs, '/', FALSE );
if( !vecHasDot( dirs ) )
{
p_intdir = address;
return TRUE;
}
}
// check if address starts with absolute 'site'
if( address.find( "http://" ) == 0 )
{
// http://ms.com
if( ( i = address.find_first_of( '/', 7 ) ) == -1 )
{
p_extdir = address;
return TRUE;
}
site = address.substr( 0, i+1 );
rest = address.substr( i+1, address.length()-i-1 );
}
else if( ( address.find( ":/" ) == 1 ) &&
( address[0] >= 'A' ) &&
( address[0] <= 'z' ) )
{
site = address.substr( 0, 3 );
rest = address.substr( 3, address.length()-3 );
}
else if( address.find( "/" ) == 0 )
{
site = "/";
rest = address.substr( 1, address.length()-1 );
}
// handle absolute addresses
if( site != "" )
{
dirToVec( rest, dirs, '/', FALSE );
if( !vecHasDii( dirs, j ) )
{
p_extdir = address;
return TRUE;
}
if( mirrorv.size() )
for( unsigned int n = 0; n < mirrorv.size(); n++ )
{
if( !compactPath( mirrorv[n], dirs[j] ) )
return FALSE;
p_extdir += mirrorv[n] + ",";
}
string location = slashConcat( site, vecToDir( dirs, 0, j, "/" ) );
if( !compactPath( location, dirs[j] ) )
return FALSE;
p_dii = TRUE;
p_extdir += location;
p_file = dirs[j];
p_intdir = vecToDir( dirs, j+1, dirs.size()-j-1, "/" );
return TRUE;
}
// handle relative addresses
dirToVec( address, dirs, '/', FALSE );
// internal relative
if( !vecHasDot( dirs ) )
{
p_intdir = address;
return TRUE;
}
// external relative
if( !vecHasDii( dirs, j ) )
{
p_extdir = slashConcat( cPath, address );
return TRUE;
}
if( mirrorv.size() )
for( unsigned int n = 0; n < mirrorv.size(); n++ )
{
string mirror = slashConcat( cPath, mirrorv[n] );
if( !compactPath( mirror, dirs[j] ) )
return FALSE;
p_extdir += mirror + ",";
}
p_dii = TRUE;
p_extdir += slashConcat( cPath, vecToDir( dirs, 0, j, "/" ) );
p_file = dirs[j];
p_intdir = vecToDir( dirs, j+1, dirs.size()-j-1, "/" );
return compactPath( p_extdir, p_file );
}
int compactPath( string &path, string file )
{
// if( !checkingstructure ) cout << "COMPACT PATH " + path << endl;
string site;
string rest = path;
int i;
// first, remove site
if( path.find( "http://" ) == 0 )
{
i = path.find_first_of( '/', 7 );
site = path.substr( 0, i+1 );
rest = path.substr( i+1, path.length()-i-1 );
}
else if( ( path.find( ":/" ) == 1 ) &&
( path[0] >= 'A' ) &&
( path[0] <= 'z' ) )
{
site = path.substr( 0, 3 );
rest = path.substr( 3, path.length()-3 );
}
else if( path.find( "/" ) == 0 )
{
site = "/";
rest = path.substr( 1, path.length()-1 );
}
// compact rest
vector<string> dirv;
dirToVec( rest, dirv, '/', FALSE );
int foundone;
do
{
foundone = FALSE;
for( unsigned int n = 0; n < dirv.size(); n++ )
if( dirv[n] == "." )
{
dirv.erase( dirv.begin()+n, dirv.begin()+n+1 );
foundone = TRUE;
}
else if( ( dirv[n] == ".." ) &&
( n != 0 ) &&
( dirv[n-1] != ".." ) )
{
dirv.erase( dirv.begin()+n-1, dirv.begin()+n+1 );
foundone = TRUE;
}
}
while( foundone );
path = site + vecToDir( dirv, 0, dirv.size(), "/" );
if( ( dirv.size() != 0 ) &&
( dirv[0] == ".." ) &&
( site != "" ) )
{
showNavigationError( slashConcat( path, file ) + ":\n" + "nonsensical address" );
return FALSE;
}
return TRUE;
}
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