psyced/world/net/textc.c

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// $Id: textc.c,v 1.36 2008/12/01 11:31:32 lynx Exp $ // vim:syntax=lpc
//
// text database client
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// local debug messages - turn them on by using psyclpc -DDtextc=<level>
#ifdef Dtextc
# undef DEBUG
# define DEBUG Dtextc
#endif
#include <net.h>
#include <lang.h>
volatile mixed _tob;
volatile mapping _tdb;
volatile string _tpath;
#define NO_INHERIT
#include <text.h>
#undef NO_INHERIT
#ifdef HTFORWARD
virtual inherit NET_PATH "outputb";
#else
virtual inherit NET_PATH "output";
#endif
#ifndef T
// usually defined in text.h
T(mc, fmt) {
D(S("T(%O,%O) in %O: tob=%O tdb=%O\n", mc, fmt, ME, _tob, _tdb));
return (_tob && member(_tdb, mc) ? _tdb[mc] : getText(mc, fmt));
}
#endif
// also used for pplframe
setText(string mc, string fmt) {
if (_tdb) {
_tdb[mc] = fmt;
return 1;
} else
return 0;
}
getText(string mc, string fmt) {
P4(("getText(%O,%O) in %O: tob=%O tdb=%O tpa=%O\n",
mc, fmt, ME, _tob, _tdb, _tpath))
P3(("Ask %O in getText(%O,%O)\n", _tob, mc, fmt))
unless (objectp(_tob)) {
if (_tob) {
PT(("getText: db inactive for %O looking up %O\n",
ME, mc))
return fmt; // deactivated
}
unless (_tpath) {
_tob = "deactivated";
P1(("getText: db deactivated for %O looking up %O\n",
ME, mc))
return fmt;
}
// _tpath -> sPath(_tpath);
_tpath -> load();
// P0(("[*] getText(%O,%O) in %O: tob=%O tdb=%O tpa=%O\n",
// mc, fmt, ME, _tob, _tdb, _tpath))
_tob = find_object(_tpath);
// this obtains a shared copy of the text db
_tdb = _tob -> link();
// P0(("TEXTC in %O: tob=%O tdb=%O\n", ME, _tob, _tdb))
if (member(_tdb, mc)) return _tdb[mc];
}
#if DEBUG > 1
if (member(_tdb, mc))
D(S("getText(%O,%O) has it!? in %O: o=%O t=xO !?\n",
mc, fmt, ME, _tob, _tdb));
#endif
return _tob -> lookup(mc, fmt);
// urn member(_tdb, mc) ? _tdb[mc] : (_tob -> lookup(mc, fmt));
}
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// new sTextPath function ... what for?
localize(lang, scheme) {
return sTextPath(
#ifdef PRO_PATH
get_layout(ME),
#else
0,
#endif
lang, scheme || ME->qScheme());
}
sTextPath(layout, lang, scheme) {
string p;
P2(("sTextPath(%O,%O,%O) in %O\n", layout,lang,scheme, ME))
unless (layout) layout = "default";
// if (lang && index( ({ LANGUAGES }), lang) < 0) lang = 0;
unless (lang) lang = DEFLANG;
switch(scheme) {
case "ht": case "html": case "wml":
case "irc": case "ircgate":
case "jabber":
case "simple":
// these have their own databases
break;
default:
// optimization: several protocols use the plain db anyway
scheme = "plain";
}
p = layout +"/"+ lang +"/"+ scheme +"/text";
if (p = sTextPath2(p)) {
setText("_VAR_layout", layout);
setText("_VAR_lang", lang);
setText("_VAR_scheme", scheme);
}
return p;
}
sTextPath2(p) {
if (p != _tpath) {
#ifdef TEXT_PATH
_tpath = TEXT_PATH + p;
#else
_tpath = p;
#endif
// make sure the new textdb is actually going to be loaded
_tob = 0;
P3(("sTextPath(%O) in %O\n", _tpath, ME))
}
D2(else D(S("sTextPath(%O) again in %O\n", _tpath, ME));)
return p;
}
// pr() should replace p(), P() and print()
// using the PSYC "message code" (actually a PSYC method)
// for classification of output going to the user
// (remember the LASTLOG_LEVELs in ircII?)
//
// this is the default pr() function to be
// overridden when protocol needs require it
//
pr(mc, fmt, a,b,c,d,e,f,g,h,i,j,k) {
unless (fmt = T(mc, fmt)) return;
printf(fmt, a,b,c,d,e,f,g,h,i,j,k); // should use emit?
return 1;
}
// used by net/server mostly
// this function does not perform any convert_charset!
w(string mc, string data, mapping vars, mixed source) {
string template = T(mc, "");
string output = psyctext(template, vars, data, source);
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#ifdef NEW_LINE
output += "\n";
#else
# ifdef PREFIXES
if (template == "") output += abbrev("_prefix", mc) ? " " : "\n";
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# endif
#endif
//PT(("textc:w(%O,%O,%O,%O) - %O\n", mc,data,vars,source, template))
// used by net/server.c - it needs emit() here
if (interactive(ME)) emit(output);
else {
#if 0 //def DEVELOPMENT --- TODO TODO TODO
raise_error("please rewrite this code to not depend on write()\n");
#else
// also used by htget in net/place/owned and it needs write() here
// but this fails dramatically if the event is coming from a psyc
// or jabber socket - big bang boom. so we gotta stop this practice
write(output);
#endif
}
return 1;
}
qTob() { return _tob; }