/*
* This file is part of Deliantra, the Roguelike Realtime MMORPG.
*
* Copyright (©) 2005,2006,2007,2008,2009,2010,2011,2012 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
*
* Deliantra is free software: you can redistribute it and/or modify it under
* the terms of the Affero GNU General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the Affero GNU General Public License
* and the GNU General Public License along with this program. If not, see
* .
*
* The authors can be reached via e-mail to
*/
#ifndef FREEZETHAW_H__
#define FREEZETHAW_H__
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// a little dirty hack, maybe unify with something else at a later time
// it is used to communicate as much info about the keyword string
// to the consuemr as possible, for maximum performance.
struct keyword_string
{
const char *s;
const int l;
keyword_string (const char *s, int l)
: s(s), l(l)
{ }
keyword_string (keyword kw)
: s(keyword_str [kw]), l(keyword_len [kw])
{
}
keyword_string (shstr_tmp sh)
: s(&sh), l(sh.length ())
{
}
};
#define CS(keyword) keyword_string (# keyword, sizeof (# keyword) - 1)
#define KW(keyword) CS(keyword)
INTERFACE_CLASS(object_freezer)
struct object_freezer : dynbuf_text
{
AV *av;
object_freezer ();
~object_freezer ();
// serialise perl part
void put_ (attachable *ext);
void put (attachable *ext)
{
if (expect_false (ext->self))
put_ (ext);
}
// null value (== no space after keyword)
void put (const keyword_string k)
{
char *p = force (k.l + 1);
memcpy (p, k.s, k.l); p += k.l; *p++ = '\n';
alloc (p);
}
void put (const keyword_string k, const keyword_string v)
{
char *p = force (k.l + 1 + v.l + 1);
memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
memcpy (p, v.s, v.l); p += v.l; *p++ = '\n';
alloc (p);
}
void put (const keyword_string k, const_utf8_string v)
{
if (expect_true (v))
put (k, keyword_string (v, strlen (v)));
else
put (k);
}
void put (const keyword_string k, shstr_tmp v)
{
put (k, keyword_string (v));
}
void put (const keyword_string k, double v)
{
char *p = force (MAX_KEYWORD_LEN + 2 + 32);
memcpy (p, k.s, k.l); p += k.l; *p++ = ' ';
p += sprintf (p, "%.7g", v); *p++ = '\n';
alloc (p);
}
void put_(const keyword_string k, sint64 v)
{
force (MAX_KEYWORD_LEN + 2 + sint64_digits);
fadd (k.s, k.l);
fadd (' ');
add (v);
fadd ('\n');
}
void put_(const keyword_string k, sint32 v)
{
force (MAX_KEYWORD_LEN + 2 + sint32_digits);
fadd (k.s, k.l);
fadd (' ');
add (v);
fadd ('\n');
}
void put (const keyword_string k, float v) { put (k, (double)v); }
void put (const keyword_string k, signed char v) { put_(k, (sint32)v); }
void put (const keyword_string k, unsigned char v) { put_(k, (sint32)v); }
void put (const keyword_string k, signed short v) { put_(k, (sint32)v); }
void put (const keyword_string k, unsigned short v) { put_(k, (sint32)v); }
void put (const keyword_string k, signed int v) { put_(k, (sint32)v); }
void put (const keyword_string k, unsigned int v) { put_(k, (sint64)v); }
void put (const keyword_string k, signed long v) { put_(k, (sint64)v); }
void put (const keyword_string k, unsigned long v) { put_(k, (sint64)v); }
void put (const keyword_string k, signed long long v) { put_(k, (sint64)v); }
void put (const keyword_string k, unsigned long long v) { put_(k, (sint64)v); }
void put (const keyword_string kbeg, const keyword_string kend, shstr_tmp v)
{
force (MAX_KEYWORD_LEN + 1);
fadd (kbeg.s, kbeg.l); fadd ('\n');
if (expect_true (v))
{
add (v);
add ('\n');
}
force (MAX_KEYWORD_LEN + 1);
fadd (kend.s, kend.l); fadd ('\n');
}
void put (const keyword_string k, archetype *v);
void put (const keyword_string k, treasurelist *v);
void put (const keyword_string k, faceinfo *v);
template
void put (const keyword_string k, const refptr &v)
{
put (k, (T *)v);
}
MTH bool save (const_octet_string path);
utf8_string as_string (); // like strdup
operator bool () { return !!av; }
};
// used as dir argument to object_thawer constructor
#define RESOURCE_DIR const_utf8_string (0)
INTERFACE_CLASS(object_thawer)
struct object_thawer
{
static bool errors_are_fatal; // true during server startup only
char *line; // current beginning of line
SV *text; // text part
AV *av; // perl part
int linenum;
keyword kw;
char *kw_str; // the keyword parsed, as string
char *value; // the value, or 0 if no value
const char *value_nn; // the value, or the empty string if no value
const char *name;
operator bool () const { return !!text; }
object_thawer (const_utf8_string path = 0);
object_thawer (const_utf8_string dir, const_utf8_string file);
object_thawer (const_utf8_string data, AV *perlav);
~object_thawer ();
void get (attachable *obj, int oid);
// parse next line as keyword-value pair
MTH void next ();
// parse next line, as a single value
// skips initial whitespace and comments
// and sets kw to KW_value on success.
MTH bool next_line ();
// skip the current key-value (usually fetch next line, for
// multiline-fields, skips till the corresponding end-kw
MTH void skip ();
MTH void skip_block (); // skips till and over KW_end
// returns true IFF a value was specified and it is not the empty string
// formerly, this just etsetd for a value, but the editor is too dumb
// and creates lots of empty values.
bool has_value () const { return *value_nn; }
const_utf8_string get_str () const { return value_nn; } // empty string when missing
void get_ml (keyword kend, shstr &sh);
void get_ornull (shstr &sh) const { sh = value; }
void get (shstr &sh) const { sh = value; } // might want to check for non-null here
bool get_bool () const { return *value_nn == '1'; }
sint32 get_sint32 () const;
sint64 get_sint64 () const { return strtoll (value_nn, 0, 10); }
double get_double () const { return strtod (value_nn, 0); }
void get (float &v) const { v = get_double (); }
void get (double &v) const { v = get_double (); }
void get (bool &i) const { i = get_bool (); }
void get (sint8 &i) const { i = get_sint32 (); }
void get (uint8 &i) const { i = get_sint32 (); }
void get (sint16 &i) const { i = get_sint32 (); }
void get (uint16 &i) const { i = get_sint32 (); }
void get (sint32 &i) const { i = get_sint32 (); }
void get (uint32 &i) const { i = get_sint64 (); }
void get (sint64 &i) const { i = get_sint64 (); }
void get (region_ptr &r) const;
void get (materialtype_t *&mt) const;
MTH void parse_warn (const_utf8_string msg) const;
MTH bool parse_error (const_utf8_string type = 0, const_utf8_string name = 0, bool skip = true) const;
struct delayed_ref {
attachable *op;
object_ptr *ptr;
const_utf8_string ref;
};
std::vector delrefs;
void delayed_deref (attachable *op, object_ptr &ptr, const_utf8_string ref);
MTH void resolve_delayed_derefs (bool deref = true);
private:
void init (const_utf8_string path);
void init_from_file (const_utf8_string path);
};
#endif