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/** -*- C++ -*-
@file ept/sources.h
@author Peter Rockai <me@mornfall.net>
*/
#include <iterator>
#include <iostream>
#include <sstream>
#include <string>
#include <wibble/range.h>
#include <wibble/mixin.h>
#ifndef EPT_SOURCES_H
#define EPT_SOURCES_H
namespace ept {
struct Sources {
struct Entry : wibble::mixin::Comparable< Entry > {
typedef wibble::Range< std::string > StringRange;
typedef wibble::Consumer< std::string > StringConsumer;
typedef std::vector< std::string > StringVector;
struct Word { std::string s; };
enum Type { Binary, Source, Comment };
Entry( bool e = false, Type t = Comment,
std::string u = "", std::string d = "",
StringRange c = wibble::range( *new StringVector ) )
: m_enabled( e ), m_type( t ), m_url( u ), m_dist( d )
{
c.output( wibble::consumer( m_components ) );
}
Entry( const Entry &e )
: m_enabled( e.m_enabled ), m_type( e.m_type ), m_url( e.m_url ),
m_dist( e.m_dist ), m_comment( e.m_comment )
{
wibble::range( e.m_components ).output( wibble::consumer( m_components ) );
}
bool operator< ( const Entry &o ) const {
if (type() < o.type())
return true;
if (enabled() < o.enabled())
return true;
if (url() < o.url())
return true;
if (distribution() < o.distribution())
return true;
if (components() < o.components())
return true;
if (comment() < o.comment())
return true;
return false;
}
bool operator== ( const Entry &e ) const {
return not ( ( *this < e ) || ( e < *this ) );
}
std::string components() const {
std::ostringstream s;
std::copy( m_components.begin(), m_components.end(),
std::ostream_iterator< std::string >( s, " " ) );
return s.str();
}
void setComponents( const std::string &s ) {
std::istringstream i( s );
m_components.clear();
std::copy( std::istream_iterator< std::string >( i ),
std::istream_iterator< std::string >(),
wibble::consumer( m_components ) );
}
std::string typeString() const {
switch (type())
{
case Binary: return "deb";
case Source: return "deb-src";
case Comment: return "comment";
}
}
void setTypeString( const std::string &s ) {
if (s == "deb") setType( Binary );
if (s == "deb-src") setType( Source );
if (s == "comment") setType( Comment );
}
std::string distribution() const { return m_dist; }
void setDistribution( const std::string &s ) { m_dist = s; }
std::string url() const { return m_url; }
void setUrl( const std::string &s ) { m_url = s; }
bool enabled() const { return m_enabled; }
void setEnabled( bool e ) { m_enabled = e; }
std::string comment() const { return m_comment; }
void setComment( const std::string &s ) { m_comment = s; }
Type type() const { return m_type; }
void setType( Type t ) {
m_type = t;
if (t == Comment) setEnabled( false );
}
friend std::istream &operator >>( std::istream &i, Entry &s );
protected:
bool m_enabled;
Type m_type;
std::string m_url;
std::string m_dist;
StringVector m_components;
std::string m_comment;
};
void add( const Entry &e ) {
wibble::consumer( m_entries ).consume( e );
}
void clear() { m_entries.clear(); }
void disable( const Entry & );
void enable( const Entry & );
wibble::Range< Entry > entries() const {
return wibble::range( m_entries );
}
friend std::istream &operator >>( std::istream &i, Sources &s );
protected:
std::vector< Entry > m_entries;
};
inline std::istream &operator >>( std::istream &i, Sources::Entry::Word &w )
{
bool bracket = false, quote = false, started = false;
char c;
w.s = "";
while (!i.eof()) {
c = i.get();
if (started && !quote && !bracket && isspace( c ))
break;
if (!isspace( c ))
started = true;
if (started)
w.s += c;
if (bracket && c == ']')
bracket = false;
if (quote && c == '"')
quote = false;
if (!quote && c == '[')
bracket = true;
if (!bracket && c == '"')
quote = true;
}
return i;
}
inline std::istream &operator >>( std::istream &i, Sources::Entry &e ) {
std::string line, tmp;
std::getline( i, line );
std::istringstream l( line );
// std::cerr << "parsing line: " << line << std::endl;
l >> tmp;
e.setEnabled( true );
if (tmp[0] == '#') {
if (tmp.size() > 1)
tmp = tmp.substr(1);
else
l >> tmp;
e.setEnabled( false );
}
// std::cerr << "type: " << tmp << std::endl;
if (tmp == "deb" || tmp == "deb-src") {
e.setTypeString( tmp );
} else {
// std::cerr << "comment: '" << line << "'" << std::endl;
e.setType( Sources::Entry::Comment );
e.setEnabled( false );
e.setComment( line );
return i;
}
Sources::Entry::Word w;
l >> w; e.m_url = w.s;
l >> w; e.m_dist = w.s;
e.m_components.clear();
std::copy( std::istream_iterator< std::string >( l ),
std::istream_iterator< std::string >(),
wibble::consumer( e.m_components ) );
return i;
}
inline std::ostream &operator <<( std::ostream &o, const Sources::Entry &e )
{
if (e.type() == Sources::Entry::Comment)
return o << e.comment();
if (! e.enabled())
o << "# ";
o << e.typeString();
o << " " << e.url() << " " << e.distribution() << " " << e.components();
return o;
}
inline std::istream &operator >>( std::istream &i, Sources &s ) {
std::copy( std::istream_iterator< Sources::Entry >( i ),
std::istream_iterator< Sources::Entry >(),
wibble::consumer( s.m_entries ) );
return i;
}
inline std::ostream &operator <<( std::ostream &o, const Sources &s ) {
std::copy( s.entries().begin(), s.entries().end(),
std::ostream_iterator< Sources::Entry >( o, "\n" ) );
return o;
}
}
#endif
// vim:set ts=4 sw=4:
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