f922e41998-03-23Henrik Grubbström (Grubba) constant cvs_version="$Id: graphic_text.pike,v 1.118 1998/03/23 18:55:16 grubba Exp $";
85e8321997-08-31Peter Bortas constant thread_safe=1;
ebf60d1997-03-08Henrik Grubbström (Grubba) 
d47cbf1996-12-02Per Hedbor #include <module.h>
e5bad21998-02-10Per Hedbor #include <stat.h>
d47cbf1996-12-02Per Hedbor inherit "module"; inherit "roxenlib";
3992de1997-09-28Henrik Grubbström (Grubba) #ifndef VAR_MORE #define VAR_MORE 0 #endif /* VAR_MORE */
610bf91998-03-07Fredrik Noring static private int loaded; static private string doc() { return !loaded?"":replace(Stdio.read_bytes("modules/tags/doc/graphic_text") ||"", ({ "{", "}" }), ({ "&lt;", "&gt;" })); }
d47cbf1996-12-02Per Hedbor array register_module() { return ({ MODULE_LOCATION | MODULE_PARSER, "Graphics text",
610bf91998-03-07Fredrik Noring  ("Generates graphical texts.<p>" "See <tt>&lt;gtext help&gt;&lt;/gtext&gt;</tt> for "
1cd5eb1998-03-20Per Hedbor  "more information.\n<p>"+doc()), 0, 1, });
d47cbf1996-12-02Per Hedbor } void create() {
8afc811998-02-04Per Hedbor  defvar("cache_dir", "../gtext_cache", "Cache directory for gtext images",
20ca2b1998-01-26Per Hedbor  TYPE_DIR, "The gtext tag saves images when they are calculated in this " "directory. We currently do not clean this directory.");
e5bad21998-02-10Per Hedbor  defvar("cache_age", 48, "Cache max age", TYPE_INT, "If the images in the cache have not been accessed for this " "number of hours they are removed.");
4267991997-08-23Per Hedbor  defvar("speedy", 0, "Avoid automatic detection of document colors", TYPE_FLAG|VAR_MORE, "If this flag is set, the tags 'body', 'tr', 'td', 'font' and 'th' " " will <b>not</b> be parsed to automatically detect the colors of " " a document. You will then have to specify all colors in all calls " " to &lt;gtext&gt;");
9b9f701997-08-12Per Hedbor  defvar("deflen", 300, "Default maximum text-length", TYPE_INT|VAR_MORE,
bfc7071997-01-13Per Hedbor  "The module will, per default, not try to render texts " "longer than this. This is a safeguard for things like " "&lt;gh1&gt;&lt;/gh&gt;, which would otherwise parse the" " whole document. This can be overrided with maxlen=... in the " "tag.");
9b9f701997-08-12Per Hedbor  defvar("location", "/gtext/", "Mountpoint", TYPE_LOCATION|VAR_MORE,
f6d62d1997-03-26Per Hedbor  "The URL-prefix for the graphic characters.");
d47cbf1996-12-02Per Hedbor  defvar("cols", 16, "Default number of colors per image", TYPE_INT_LIST, "The default number of colors to use. 16 seems to be enough. " "The size of the image depends on the number of colors", ({ 1,2,3,4,5,6,7,8,10,16,32,64,128,256 }));
8e727d1997-03-11Per Hedbor 
974b2a1997-10-02Peter Bortas  defvar("gif", 0, "Append .gif to all images", TYPE_FLAG|VAR_MORE, "Append .gif to all images made by gtext. Normally this will " "only waste bandwidth");
8e727d1997-03-11Per Hedbor  // compatibility variables... defvar("default_size", 32, 0, TYPE_INT,0,0,1); defvar("default_font", "urw_itc_avant_garde-demi-r",0,TYPE_STRING,0,0,1);
d47cbf1996-12-02Per Hedbor } string query_location() { return query("location"); }
e5bad21998-02-10Per Hedbor object load_font(string name, string justification, int xs, int ys)
d47cbf1996-12-02Per Hedbor {
e5bad21998-02-10Per Hedbor  object fnt = Image.font();
38dca81996-12-10Per Hedbor 
52a7d21997-09-01Per Hedbor  if ((!name)||(name == "")) {
9e0c5f1997-09-01Per Hedbor  return get_font("default",32,0,0,lower_case(justification||"left"),
52a7d21997-09-01Per Hedbor  (float)xs, (float)ys);
b677b71997-02-22Henrik Grubbström (Grubba)  } else if(sscanf(name, "%*s/%*s") != 2) {
38dca81996-12-10Per Hedbor  name=QUERY(default_size)+"/"+name;
b677b71997-02-22Henrik Grubbström (Grubba)  }
d47cbf1996-12-02Per Hedbor  name = "fonts/" + name;
38dca81996-12-10Per Hedbor  if(!fnt->load( name )) {
52a7d21997-09-01Per Hedbor  report_debug("Failed to load the compatibility font "+name+ ", using the default font.\n");
9e0c5f1997-09-01Per Hedbor  return get_font("default",32,0,0,lower_case(justification||"left"),
52a7d21997-09-01Per Hedbor  (float)xs, (float)ys);
38dca81996-12-10Per Hedbor  }
52a7d21997-09-01Per Hedbor  catch {
9d16ce1997-03-01Per Hedbor  if(justification=="right") fnt->right(); if(justification=="center") fnt->center(); if(xs)fnt->set_x_spacing((100.0+(float)xs)/100.0); if(ys)fnt->set_y_spacing((100.0+(float)ys)/100.0); };
d47cbf1996-12-02Per Hedbor  return fnt; } static private mapping (int:mapping(string:mixed)) cached_args = ([ ]);
2468b21997-07-06Henrik Grubbström (Grubba) string base_key;
fe21a71997-08-25Per Hedbor object mc;
2468b21997-07-06Henrik Grubbström (Grubba) 
e5bad21998-02-10Per Hedbor  array to_clean = ({}); void clean_cache_dir() { if(!sizeof(to_clean)) to_clean = get_dir(query("cache_dir")); if(!sizeof(to_clean)) return; int md = file_stat(query("cache_dir")+to_clean[0])[ST_ATIME]; if((time() - md) > (query("cache_age")*3600)) rm(query("cache_dir")+to_clean[0]); to_clean = to_clean[1..]; if(sizeof(to_clean)) call_out(clean_cache_dir, 0.1); else call_out(clean_cache_dir, 3600); }
08df121997-08-19Henrik Grubbström (Grubba) void start(int|void val, object|void conf)
2468b21997-07-06Henrik Grubbström (Grubba) {
610bf91998-03-07Fredrik Noring  loaded = 1;
fe21a71997-08-25Per Hedbor  if(conf) {
eb0b9a1998-03-10Henrik Grubbström (Grubba)  mkdirhier( query( "cache_dir" )+"/.foo" );
c79b261998-02-05Johan Schön #ifndef __NT__
8afc811998-02-04Per Hedbor #if efun(chmod)
4c35411998-03-10Henrik Grubbström (Grubba)  // FIXME: Should this error be propagated? catch { chmod( query( "cache_dir" ), 0777 ); };
c79b261998-02-05Johan Schön #endif
8afc811998-02-04Per Hedbor #endif
e5bad21998-02-10Per Hedbor  remove_call_out(clean_cache_dir); call_out(clean_cache_dir, 10);
fe21a71997-08-25Per Hedbor  mc = conf; base_key = "gtext:"+(conf?conf->name:roxen->current_configuration->name); }
2468b21997-07-06Henrik Grubbström (Grubba) }
c3655b1997-01-27Per Hedbor 
68e0301997-08-19Per Hedbor int number=0; mapping find_cached_args(int num);
d249951996-12-10Per Hedbor 
20ca2b1998-01-26Per Hedbor  #if !constant(iso88591) constant iso88591 =([ "&nbsp;": " ", "&iexcl;": "¡", "&cent;": "¢", "&pound;": "£", "&curren;": "¤", "&yen;": "¥", "&brvbar;": "¦", "&sect;": "§", "&uml;": "¨", "&copy;": "©", "&ordf;": "ª", "&laquo;": "«", "&not;": "¬", "&shy;": "­", "&reg;": "®", "&macr;": "¯", "&deg;": "°", "&plusmn;": "±", "&sup2;": "²", "&sup3;": "³", "&acute;": "´", "&micro;": "µ", "&para;": "¶", "&middot;": "·", "&cedil;": "¸", "&sup1;": "¹", "&ordm;": "º", "&raquo;": "»", "&frac14;": "¼", "&frac12;": "½", "&frac34;": "¾", "&iquest;": "¿", "&Agrave;": "À", "&Aacute;": "Á", "&Acirc;": "Â", "&Atilde;": "Ã", "&Auml;": "Ä", "&Aring;": "Å", "&AElig;": "Æ", "&Ccedil;": "Ç", "&Egrave;": "È", "&Eacute;": "É", "&Ecirc;": "Ê", "&Euml;": "Ë", "&Igrave;": "Ì", "&Iacute;": "Í", "&Icirc;": "Î", "&Iuml;": "Ï", "&ETH;": "Ð", "&Ntilde;": "Ñ", "&Ograve;": "Ò", "&Oacute;": "Ó", "&Ocirc;": "Ô", "&Otilde;": "Õ", "&Ouml;": "Ö", "&times;": "×", "&Oslash;": "Ø", "&Ugrave;": "Ù", "&Uacute;": "Ú", "&Ucirc;": "Û", "&Uuml;": "Ü", "&Yacute;": "Ý", "&THORN;": "Þ", "&szlig;": "ß", "&agrave;": "à", "&aacute;": "á", "&acirc;": "â", "&atilde;": "ã", "&auml;": "ä", "&aring;": "å", "&aelig;": "æ", "&ccedil;": "ç", "&egrave;": "è", "&eacute;": "é", "&ecirc;": "ê", "&euml;": "ë", "&igrave;": "ì", "&iacute;": "í", "&icirc;": "î", "&iuml;": "ï", "&eth;": "ð", "&ntilde;": "ñ", "&ograve;": "ò", "&oacute;": "ó", "&ocirc;": "ô", "&otilde;": "õ", "&ouml;": "ö", "&divide;": "÷", "&oslash;": "ø", "&ugrave;": "ù", "&uacute;": "ú", "&ucirc;": "û", "&uuml;": "ü", "&yacute;": "ý", "&thorn;": "þ", "&yuml;": "ÿ", ]); #endif
b1ab8d1997-12-23Per Hedbor constant nbsp = iso88591["&nbsp;"]; constant replace_from = indices( iso88591 )+ ({"&ss;","&lt;","&gt;","&amp",}); constant replace_to = values( iso88591 ) + ({ nbsp, "<", ">", "&", }); #define simplify_text( from ) replace(from,replace_from,replace_to)
06583f1997-09-03Per Hedbor 
8afc811998-02-04Per Hedbor #define FNAME(a,b) (query("cache_dir")+sprintf("%x",hash(reverse(a[6..])))+sprintf("%x",hash(b))+sprintf("%x",hash(reverse(b-" ")))+sprintf("%x",hash(b[12..])))
20ca2b1998-01-26Per Hedbor  array get_cache_file(string a, string b) {
8afc811998-02-04Per Hedbor  object fd = open(FNAME(a,b), "r");
20ca2b1998-01-26Per Hedbor  if(!fd) return 0; array r = decode_value(fd->read()); if(r[0]==a && r[1]==b) return r[2]; } void store_cache_file(string a, string b, array data) {
8afc811998-02-04Per Hedbor  object fd = open(FNAME(a,b), "wct");
c79b261998-02-05Johan Schön #ifndef __NT__
8afc811998-02-04Per Hedbor #if efun(chmod)
4c35411998-03-10Henrik Grubbström (Grubba)  // FIXME: Should this error be propagated? catch { chmod( FNAME(a,b), 0666 ); };
c79b261998-02-05Johan Schön #endif
8afc811998-02-04Per Hedbor #endif
20ca2b1998-01-26Per Hedbor  if(!fd) return; fd->write(encode_value(({a,b,data}))); destruct(fd); }
8afc811998-02-04Per Hedbor array(int)|string write_text(int _args, string text, int size, object id)
d47cbf1996-12-02Per Hedbor {
68e0301997-08-19Per Hedbor  string key = base_key+_args;
7faa951997-09-01Per Hedbor  array err;
420fd91998-02-27Per Hedbor  string orig_text = text; mixed data; mapping args = find_cached_args(_args);
86352a1998-03-01Per Hedbor  if(!args) { throw( ({ "Internal error in gtext: Got request for non-existant gtext class", backtrace() }) ); }
420fd91998-02-27Per Hedbor  if(data = cache_lookup(key, text)) { if(args->nocache) // Remove from cache. Very useful for access counters cache_remove(key, text); if(size) return data[1]; return data[0]; } else if(data = get_cache_file( key, text )) { cache_set(key, text, data); if(size) return data[1];
86352a1998-03-01Per Hedbor  return data[0];
420fd91998-02-27Per Hedbor  }
86352a1998-03-01Per Hedbor  // So. We have to actually draw the thing...
1cd5eb1998-03-20Per Hedbor  object img; if(!args)
ba73a21996-12-10Per Hedbor  {
1cd5eb1998-03-20Per Hedbor  args=(["fg":"black","bg":"white","notrans":"1"]); text="Please reload this page"; }
ce9d8d1997-09-06Per Hedbor 
1cd5eb1998-03-20Per Hedbor  if(!args->verbatim) { text = replace(text, nbsp, " "); text = simplify_text( text ); string res="",nspace="",cspace=""; foreach(text/"\n", string line)
06583f1997-09-03Per Hedbor  {
1cd5eb1998-03-20Per Hedbor  cspace="";nspace=""; foreach(line/" ", string word)
06583f1997-09-03Per Hedbor  {
1cd5eb1998-03-20Per Hedbor  string nonum; if(strlen(word) && (nonum = replace(word, ({"1","2","3","4","5","6","7","8","9","0","."}), ({"","","","","","","","","","",""}))) == "") { cspace=nbsp+nbsp; if((strlen(word)-strlen(nonum)<strlen(word)/2) && (upper_case(word) == word)) { word=((word/"")*nbsp);
4b64471997-09-04Henrik Grubbström (Grubba)  }
1cd5eb1998-03-20Per Hedbor  } else if(cspace!="") { cspace=" ";
06583f1997-09-03Per Hedbor  }
1cd5eb1998-03-20Per Hedbor  res+=(nspace==cspace?nspace:" ")+word; if(cspace!="") nspace=cspace; else nspace=" ";
06583f1997-09-03Per Hedbor  }
1cd5eb1998-03-20Per Hedbor  res+="\n";
06583f1997-09-03Per Hedbor  }
1cd5eb1998-03-20Per Hedbor  text = replace(res[..strlen(res)-2], ({ "!","?",": " }), ({ nbsp+"!",nbsp+"?",nbsp+": " })); text = replace(replace(replace(text,({". ",". "+nbsp}), ({"\000","\001"})),".","."+nbsp+nbsp),({"\000","\001"}),({". ","."+nbsp})); }
20ca2b1998-01-26Per Hedbor 
420fd91998-02-27Per Hedbor // cache_set(key, text, "rendering");
b551e11996-12-10Per Hedbor 
1cd5eb1998-03-20Per Hedbor  if(args->nfont) { int bold, italic; if(args->bold) bold=1; if(args->light) bold=-1; if(args->italic) italic=1; if(args->black) bold=2; data = get_font(args->nfont,(int)args->font_size||32,bold,italic, lower_case(args->talign||"left"), (float)(int)args->xpad, (float)(int)args->ypad); } else if(args->font) { // compatibility fonts... data = load_font(args->font, lower_case(args->talign||"left"), (int)args->xpad,(int)args->ypad); } else { int bold, italic; if(args->bold) bold=1; if(args->light) bold=-1; if(args->italic) italic=1; if(args->black) bold=2; data = get_font(roxen->QUERY(default_font),32,bold,italic, lower_case(args->talign||"left"), (float)(int)args->xpad, (float)(int)args->ypad); }
dbcf851997-09-05Henrik Grubbström (Grubba) 
1cd5eb1998-03-20Per Hedbor  if (!data) { roxen_perror("gtext: No font!\n"); return(0); }
d47cbf1996-12-02Per Hedbor 
1cd5eb1998-03-20Per Hedbor  // Fonts and such are now initialized. // Draw the actual image.... img = GText.make_text_image(args,data,text,dirname(id->not_query),id);
d47cbf1996-12-02Per Hedbor 
1cd5eb1998-03-20Per Hedbor  // Now we have the image in 'img', or nothing. if(!img) return 0; // Quantify if(!args->fs) { int q=(int)args->quant|| (args->background||args->texture?150:QUERY(cols));
7faa951997-09-01Per Hedbor  if(q>255) q=255; if(q<3) q=3;
1cd5eb1998-03-20Per Hedbor  img=img->map_closest(img->select_colors(q-1)+({parse_color(args->bg)})); }
c3655b1997-01-27Per Hedbor 
1cd5eb1998-03-20Per Hedbor  if(!args->scroll) { if(args->fadein)
7faa951997-09-01Per Hedbor  {
1cd5eb1998-03-20Per Hedbor  // Animated fade int amount=2, steps=10, delay=10, initialdelay=0, ox; string res = img->gif_begin(); sscanf(args->fadein, "%d,%d,%d,%d", amount, steps, delay, initialdelay); if(initialdelay)
7faa951997-09-01Per Hedbor  {
1cd5eb1998-03-20Per Hedbor  object foo=Image.image(img->xsize(),img->ysize(),@parse_color(args->bg)); res += foo->gif_add(0,0,initialdelay);
7faa951997-09-01Per Hedbor  }
1cd5eb1998-03-20Per Hedbor  for(int i = 0; i<(steps-1); i++)
e8c29c1997-09-12Johan Schön  {
1cd5eb1998-03-20Per Hedbor  object foo=img->clone(); foo = foo->apply_matrix(GText.make_matrix(((int)((steps-i)*amount)))); res += foo->gif_add(0,0,delay); } res+= img->gif_add(0,0,delay); res += img->gif_end(); data = ({ res, ({ img->xsize(), img->ysize() }) }); } else { // NORMAL IMAGE HERE if(args->fs) data=({ img->togif_fs(@(args->notrans?({}):parse_color(args->bg))), ({img->xsize(),img->ysize()})}); else data=({ img->togif(@(args->notrans?({}):parse_color(args->bg))), ({img->xsize(),img->ysize()})}); img=0;
85a2e51997-06-23Per Hedbor  }
1cd5eb1998-03-20Per Hedbor  } else { // Animated scrolltext int len=100, steps=30, delay=5, ox; string res = img->gif_begin() + img->gif_netscape_loop(); sscanf(args->scroll, "%d,%d,%d", len, steps, delay); img=img->copy(0,0,(ox=img->xsize())+len-1,img->ysize()-1); img->paste(img, ox, 0); for(int i = 0; i<steps; i++) { int xp = i*ox/steps; res += img->copy(xp, 0, xp+len, img->ysize(), @parse_color(args->bg))->gif_add(0,0,delay); } res += img->gif_end(); data = ({ res, ({ len, img->ysize() }) }); }
e8c29c1997-09-12Johan Schön 
1cd5eb1998-03-20Per Hedbor  // place in caches, as a gif image. if(!args->nocache) store_cache_file( key, orig_text, data ); cache_set(key, orig_text, data); if(size) return data[1]; return data[0];
d47cbf1996-12-02Per Hedbor }
f3a6b11998-02-22David Hedbor mapping find_file(string f, object rid); // Pike 0.5... void restore_cached_args(); // Pike 0.5...
41d0f91998-02-20Per Hedbor array stat_file(string f, object rid) { if(f[-1]=='/') f = f[..strlen(f)-2]; if(sizeof(f/"/")==1) return ({ 509,-3,time(),time(),time(),0,0 }); int len=4711; catch(len= strlen(find_file(f,rid)->data)); return ({ 33204,len,time(),time(),time(),0,0 }); } array find_dir(string f, object rid) { if(!strlen(f)) { restore_cached_args(); return Array.map(indices(cached_args), lambda(mixed m){return (string)m;}); } return ({"Example"}); }
d47cbf1996-12-02Per Hedbor  mapping find_file(string f, object rid) {
f6d62d1997-03-26Per Hedbor  int id;
41d0f91998-02-20Per Hedbor  if(rid->method != "GET") return 0;
d47cbf1996-12-02Per Hedbor  sscanf(f,"%d/%s", id, f);
974b2a1997-10-02Peter Bortas  if( query("gif") ) //Remove .gif f = f[..strlen(f)-5];
b8e11a1997-09-26Henrik Grubbström (Grubba)  if (sizeof(f)) { object g;
1cd5eb1998-03-20Per Hedbor  if (f[0] == '$') { // Illegal in BASE64, for speed
1a67581997-09-26Henrik Grubbström (Grubba)  f = f[1..];
b8e11a1997-09-26Henrik Grubbström (Grubba)  } else if (sizeof(indices(g=Gz))) { catch(f = g->inflate()->inflate(MIME.decode_base64(f))); } else if (sizeof(f)) {
1a67581997-09-26Henrik Grubbström (Grubba)  catch(f = MIME.decode_base64(f)); }
7019771997-09-24Henrik Grubbström (Grubba)  }
1a67581997-09-26Henrik Grubbström (Grubba) 
f6d62d1997-03-26Per Hedbor  return http_string_answer(write_text(id,f,0,rid), "image/gif");
d47cbf1996-12-02Per Hedbor }
1cd5eb1998-03-20Per Hedbor 
ce9d8d1997-09-06Per Hedbor mapping url_cache = ([]);
d47cbf1996-12-02Per Hedbor string quote(string in) {
7019771997-09-24Henrik Grubbström (Grubba)  string option;
1a67581997-09-26Henrik Grubbström (Grubba)  if(option = url_cache[in]) return option; object g;
7019771997-09-24Henrik Grubbström (Grubba)  if (sizeof(indices(g=Gz))) { option=MIME.encode_base64(g->deflate()->deflate(in)); } else { option=MIME.encode_base64(in); }
1a67581997-09-26Henrik Grubbström (Grubba)  if(search(in,"/")!=-1) return url_cache[in]=option;
eb63921997-09-26Henrik Grubbström (Grubba)  string res="$"; // Illegal in BASE64
d47cbf1996-12-02Per Hedbor  for(int i=0; i<strlen(in); i++) switch(in[i]) { case 'a'..'z': case 'A'..'Z': case '0'..'9':
06583f1997-09-03Per Hedbor  case '.': case ',': case '!':
d47cbf1996-12-02Per Hedbor  res += in[i..i]; break; default: res += sprintf("%%%02x", in[i]); }
ce9d8d1997-09-06Per Hedbor  if(strlen(res) < strlen(option)) return url_cache[in]=res; return url_cache[in]=option;
d47cbf1996-12-02Per Hedbor }
8afc811998-02-04Per Hedbor #define ARGHASH query("cache_dir")+"ARGS_"+hash(mc->name)
68e0301997-08-19Per Hedbor int args_restored = 0; void restore_cached_args() { args_restored = 1;
8afc811998-02-04Per Hedbor  object o = open(ARGHASH, "r");
68e0301997-08-19Per Hedbor  if(o) { string data = o->read(); catch {
d7b0871997-08-31Per Hedbor  object q; if(sizeof(indices(q=Gz))) data=q->inflate()->inflate(data);
68e0301997-08-19Per Hedbor  }; catch { cached_args |= decode_value(data); }; }
4f57021997-09-03Henrik Grubbström (Grubba)  if (cached_args && sizeof(cached_args)) {
06583f1997-09-03Per Hedbor  number = sort(indices(cached_args))[-1]+1;
4f57021997-09-03Henrik Grubbström (Grubba)  } else { cached_args = ([]); number = 0; }
68e0301997-08-19Per Hedbor } void save_cached_args() {
f7d9811997-09-12Per Hedbor  int on; on = number;
68e0301997-08-19Per Hedbor  restore_cached_args();
f7d9811997-09-12Per Hedbor  if(on > number) number=on;
8afc811998-02-04Per Hedbor  object o = open(ARGHASH, "wct");
c79b261998-02-05Johan Schön #ifndef __NT__
8afc811998-02-04Per Hedbor #if efun(chmod)
4c35411998-03-10Henrik Grubbström (Grubba)  // FIXME: Should this error be propagated? catch { chmod( ARGHASH, 0666 ); };
c79b261998-02-05Johan Schön #endif
8afc811998-02-04Per Hedbor #endif
68e0301997-08-19Per Hedbor  string data=encode_value(cached_args); catch {
d7b0871997-08-31Per Hedbor  object q; if(sizeof(indices(q=Gz))) data=q->deflate()->deflate(data);
68e0301997-08-19Per Hedbor  }; o->write(data); } mapping find_cached_args(int num) { if(!args_restored) restore_cached_args(); if(cached_args[num]) return cached_args[num]; restore_cached_args(); if(cached_args[num]) return cached_args[num]; return 0; }
d47cbf1996-12-02Per Hedbor  int find_or_insert(mapping find) {
f1be801998-02-22Per Hedbor  mapping f2 = copy_value(find); foreach(glob("magic_*", indices(f2)), string q) m_delete(f2,q);
8840de1998-02-27Per Hedbor  if(!args_restored) restore_cached_args();
d47cbf1996-12-02Per Hedbor  array a = indices(cached_args); array b = values(cached_args); int i;
f1be801998-02-22Per Hedbor 
df8d711998-02-27Per Hedbor  for(i=0; i<sizeof(a); i++) if(equal(f2, b[i])) return a[i]; restore_cached_args(); for(i=0; i<sizeof(a); i++) if(equal(f2, b[i])) return a[i];
d47cbf1996-12-02Per Hedbor  cached_args[number]=find;
68e0301997-08-19Per Hedbor  remove_call_out(save_cached_args); call_out(save_cached_args, 10);
d47cbf1996-12-02Per Hedbor  return number++; } string magic_javascript_header(object id) {
273a9a1997-10-17Johan Schön  if(!id->supports->netscape_javascript || !id->supports->images) return "";
d47cbf1996-12-02Per Hedbor  return
0943711997-02-25Per Hedbor  ("\n<script>\n"
e8790b1998-02-19Per Hedbor  "function i(ri,hi,txt)\n"
d47cbf1996-12-02Per Hedbor  "{\n"
0943711997-02-25Per Hedbor  " document.images[ri].src = hi.src;\n" " setTimeout(\"top.window.status = '\"+txt+\"'\", 100);\n"
d47cbf1996-12-02Per Hedbor  "}\n" "</script>\n");
6909c91997-09-22Johan Schön 
d47cbf1996-12-02Per Hedbor } string magic_image(string url, int xs, int ys, string sn, string image_1, string image_2, string alt,
b91fd51996-12-10Per Hedbor  string mess,object id,string input,string extra_args)
d47cbf1996-12-02Per Hedbor { if(!id->supports->images) return alt;
273a9a1997-10-17Johan Schön  if(!id->supports->netscape_javascript)
38dca81996-12-10Per Hedbor  return (!input)?
41d0f91998-02-20Per Hedbor  ("<a "+extra_args+"href=\""+url+"\"><img src=\""+image_1+"\" name="+sn+" border=0 "+
eab4221997-09-19Johan Schön  "alt=\""+alt+"\"></a>\n"):
f6d62d1997-03-26Per Hedbor  ("<input type=image "+extra_args+" src=\""+image_1+"\" name="+input+">");
d47cbf1996-12-02Per Hedbor  return ("<script>\n"
e8790b1998-02-19Per Hedbor  " "+sn+"l = new Image("+xs+", "+ys+");"+sn+"l.src = \""+image_1+"\";\n" " "+sn+"h = new Image("+xs+", "+ys+");"+sn+"h.src = \""+image_2+"\";\n"
38dca81996-12-10Per Hedbor  "</script>\n"+
ca0f081997-02-22Per Hedbor  ("<a "+extra_args+"href=\""+url+"\" "+ (input?"onClick='document.forms[0].submit();' ":"")
e8790b1998-02-19Per Hedbor  +"onMouseover=\"i('"+sn+"',"+sn+"h,'"+(mess||url)+"'); return true;\"\n"
41d0f91998-02-20Per Hedbor  "onMouseout='top.window.status=\"\";document.images[\""+sn+"\"].src = "+sn+"l.src;'><img " "width="+xs+" height="+ys+" src=\""+image_1+"\" name="+sn+
0943711997-02-25Per Hedbor  " border=0 alt=\""+alt+"\" ></a>\n"));
d47cbf1996-12-02Per Hedbor }
b91fd51996-12-10Per Hedbor  string extra_args(mapping in) { string s=""; foreach(indices(in), string i) { switch(i) { case "target":
bfc7071997-01-13Per Hedbor  case "hspace": case "vspace": case "onclick":
80739c1996-12-10Per Hedbor  s+=i+"='"+in[i]+"' ";
b91fd51996-12-10Per Hedbor  m_delete(in, i); break; } } return s; }
07969c1997-02-25Per Hedbor string tag_gtext_id(string t, mapping arg, object id, object foo, mapping defines) { int short=!!arg->short;
fc57521998-03-06Per Hedbor  if(arg->help) return "Arguments are identical to the argumets to &lt;gtext&gt;. This tag returns a url-prefix that can be used to generate gtexts.";
07969c1997-02-25Per Hedbor  m_delete(arg, "short"); m_delete(arg, "maxlen"); m_delete(arg,"magic"); m_delete(arg,"submit"); extra_args(arg); m_delete(arg,"split"); if(defines->fg && !arg->fg) arg->fg=defines->fg; if(defines->bg && !arg->bg) arg->bg=defines->bg;
48fa361997-04-05Per Hedbor #if efun(get_font)
f6d62d1997-03-26Per Hedbor  if(!arg->nfont) arg->nfont=defines->nfont;
48fa361997-04-05Per Hedbor #endif
3a4d7e1997-09-03Per Hedbor  if(!arg->font) arg->font=defines->font #if !efun(get_font) ||QUERY(default_font) #endif ;
07969c1997-02-25Per Hedbor  int num = find_or_insert( arg ); if(!short) return query_location()+num+"/"; else return (string)num; }
1cd5eb1998-03-20Per Hedbor 
62d8c41997-10-16Per Hedbor string tag_graphicstext(string t, mapping arg, string contents, object id, object foo, mapping defines) { //Allow <accessed> and others inside <gtext>.
fc57521998-03-06Per Hedbor  if(t=="gtext" && arg->help)
610bf91998-03-07Fredrik Noring  return doc();
fc57521998-03-06Per Hedbor  else if(arg->help) return "This tag calls &lt;gtext&gt; with different default values.";
41d0f91998-02-20Per Hedbor  if(arg->background) arg->background = fix_relative(arg->background,id); if(arg->texture) arg->texture = fix_relative(arg->texture,id); if(arg->magic_texture) arg->magic_texture=fix_relative(arg->magic_texture,id); if(arg->magic_background) arg->magic_background=fix_relative(arg->magic_background,id); if(arg->magicbg) arg->magicbg = fix_relative(arg->magicbg,id);
974b2a1997-10-02Peter Bortas  string gif="";
62d8c41997-10-16Per Hedbor  if(query("gif")) gif=".gif";
974b2a1997-10-02Peter Bortas 
033c7e1997-02-27Per Hedbor #if efun(_static_modules) contents = parse_rxml(contents, id, foo, defines); #else contents = parse_rxml(contents, id, foo); #endif
62d8c41997-10-16Per Hedbor  string lp, url, ea;
d47cbf1996-12-02Per Hedbor  string pre, post, defalign, gt, rest, magic;
1bd5c91997-09-26Henrik Grubbström (Grubba)  int i; string split;
d47cbf1996-12-02Per Hedbor 
f1be801998-02-22Per Hedbor  // No images here, let's generate an alternative..
d47cbf1996-12-02Per Hedbor  if(!id->supports->images || id->prestate->noimages) { if(!arg->split) contents=replace(contents,"\n", "\n<br>\n");
974b2a1997-10-02Peter Bortas  if(arg->submit) return "<input type=submit name=\""+(arg->name+".x") + "\" value=\""+contents+"\">";
d47cbf1996-12-02Per Hedbor  switch(t) { case "gtext": case "anfang": if(arg->href) return "<a href=\""+arg->href+"\">"+contents+"</a>"; return contents; default: if(sscanf(t, "%s%d", t, i)==2) rest="<h"+i+">"+contents+"</h"+i+">"; else rest="<h1>"+contents+"</h1>"; if(arg->href) return "<a href=\""+arg->href+"\">"+rest+"</a>"; return rest; } }
bfc7071997-01-13Per Hedbor  contents = contents[..((int)arg->maxlen||QUERY(deflen))]; m_delete(arg, "maxlen");
d47cbf1996-12-02Per Hedbor  if(arg->magic) {
d23e421997-05-08Per Hedbor  magic=replace(arg->magic,"'","`");
d47cbf1996-12-02Per Hedbor  m_delete(arg,"magic"); }
38dca81996-12-10Per Hedbor  int input; if(arg->submit) { input=1; m_delete(arg,"submit"); }
d47cbf1996-12-02Per Hedbor 
bfc7071997-01-13Per Hedbor 
80739c1996-12-10Per Hedbor  ea = extra_args(arg);
bfc7071997-01-13Per Hedbor 
0943711997-02-25Per Hedbor  // Modify the 'arg' mapping...
d47cbf1996-12-02Per Hedbor  if(arg->href) { url = arg->href;
80739c1996-12-10Per Hedbor  lp = "<a href=\""+arg->href+"\" "+ea+">";
d47cbf1996-12-02Per Hedbor  if(!arg->fg) arg->fg=defines->link||"#0000ff";
0943711997-02-25Per Hedbor  m_delete(arg, "href");
d47cbf1996-12-02Per Hedbor  } if(defines->fg && !arg->fg) arg->fg=defines->fg; if(defines->bg && !arg->bg) arg->bg=defines->bg;
f6d62d1997-03-26Per Hedbor  if(!arg->nfont) arg->nfont=defines->nfont;
f1be801998-02-22Per Hedbor  if(!arg->font) arg->font=defines->font;
f6d62d1997-03-26Per Hedbor  if(!arg->bold) arg->bold=defines->bold; if(!arg->italic) arg->italic=defines->italic; if(!arg->black) arg->black=defines->black; if(!arg->narrow) arg->narrow=defines->narrow;
d47cbf1996-12-02Per Hedbor  if(arg->split) {
f1be801998-02-22Per Hedbor  if (sizeof(split=arg->split) != 1)
1bd5c91997-09-26Henrik Grubbström (Grubba)  split = " ";
d47cbf1996-12-02Per Hedbor  m_delete(arg,"split"); } // Support for <gh 2> like things. for(i=2; i<10; i++) if(arg[(string)i]) { arg->scale = 1.0 / ((float)i*0.6); m_delete(arg, (string)i);
9d16ce1997-03-01Per Hedbor  break;
d47cbf1996-12-02Per Hedbor  } // Support for <gh1> like things. if(sscanf(t, "%s%d", t, i)==2) if(i > 1) arg->scale = 1.0 / ((float)i*0.6);
0943711997-02-25Per Hedbor  string na = arg->name, al=arg->align; m_delete(arg, "name"); m_delete(arg, "align");
d47cbf1996-12-02Per Hedbor  // Now the 'args' mapping is modified enough.. int num = find_or_insert( arg ); gt=contents; rest="";
f6d62d1997-03-26Per Hedbor  switch(t) { case "gh1": case "gh2": case "gh3": case "gh4": case "gh5": case "gh6": case "gh7": case "gh": pre="<p>"; post="<br>"; defalign="top"; break; case "gtext": pre=""; post=""; defalign="bottom"; break; case "anfang": gt=contents[0..0]; rest=contents[1..]; pre="<br clear=left>"; post=""; defalign="left"; break; }
d47cbf1996-12-02Per Hedbor  if(split) { string word;
bfb80b1997-09-26Henrik Grubbström (Grubba)  array res = ({ pre }); string pre = query_location() + num + "/";
d47cbf1996-12-02Per Hedbor  if(lp) res+=({ lp }); gt=replace(gt, "\n", " "); foreach(gt/" "-({""}), word) {
1bd5c91997-09-26Henrik Grubbström (Grubba)  if (split != " ") { array arr = word/split; int i;
f1be801998-02-22Per Hedbor  for (i = sizeof(arr)-1; i--;)
1bd5c91997-09-26Henrik Grubbström (Grubba)  arr[i] += split;
f1be801998-02-22Per Hedbor  if (arr[-1] == "")
1bd5c91997-09-26Henrik Grubbström (Grubba)  arr = arr[..sizeof(arr)-2]; foreach (arr, word) { array size = write_text(num,word,1,id);
41d0f91998-02-20Per Hedbor  res += ({ "<img border=0 alt=\"" +
bfb80b1997-09-26Henrik Grubbström (Grubba)  replace(arg->alt || word, "\"", "'") +
974b2a1997-10-02Peter Bortas  "\" src=\"" + pre + quote(word) + gif + "\" width=" +
bfb80b1997-09-26Henrik Grubbström (Grubba)  size[0] + " height=" + size[1] + " " + ea + ">"
1bd5c91997-09-26Henrik Grubbström (Grubba)  }); }
bfb80b1997-09-26Henrik Grubbström (Grubba)  res += ({"\n"});
1bd5c91997-09-26Henrik Grubbström (Grubba)  } else { array size = write_text(num,word,1,id);
41d0f91998-02-20Per Hedbor  res += ({ "<img border=0 alt=\"" +
bfb80b1997-09-26Henrik Grubbström (Grubba)  replace(arg->alt || word, "\"", "'") +
974b2a1997-10-02Peter Bortas  "\" src=\"" + pre + quote(word) + gif + "\" width=" +
bfb80b1997-09-26Henrik Grubbström (Grubba)  size[0] + " height=" + size[1] + " " + ea + ">\n"
1bd5c91997-09-26Henrik Grubbström (Grubba)  }); }
d47cbf1996-12-02Per Hedbor  }
bfb80b1997-09-26Henrik Grubbström (Grubba)  if(lp) res += ({ "</a>"+post });
d47cbf1996-12-02Per Hedbor  return res*""; }
9d16ce1997-03-01Per Hedbor  array size = write_text(num,gt,1,id);
f1be801998-02-22Per Hedbor  if(!size)
f7d9811997-09-12Per Hedbor  return ("<font size=+1><b>Missing font or other similar error -- " "failed to render text</b></font>");
f1be801998-02-22Per Hedbor 
d47cbf1996-12-02Per Hedbor  if(magic) { string res = "";
bfc7071997-01-13Per Hedbor  if(!arg->fg) arg->fg=defines->link||"#0000ff";
d47cbf1996-12-02Per Hedbor  arg = mkmapping(indices(arg), values(arg));
bfc7071997-01-13Per Hedbor  if(arg->fuzz) if(arg->fuzz != "fuzz") arg->glow = arg->fuzz; else arg->glow = arg->fg;
d47cbf1996-12-02Per Hedbor  arg->fg = defines->alink||"#ff0000";
9f67f31997-10-27Per Hedbor  if(arg->magicbg) arg->background = arg->magicbg;
38dca81996-12-10Per Hedbor  if(arg->bevel) arg->pressed=1;
0943711997-02-25Per Hedbor 
20ca2b1998-01-26Per Hedbor  foreach(glob("magic_*", indices(arg)), string q) { arg[q[6..]]=arg[q]; m_delete(arg, q); }
d47cbf1996-12-02Per Hedbor  int num2 = find_or_insert(arg);
9d16ce1997-03-01Per Hedbor  array size = write_text(num2,gt,1,id);
0943711997-02-25Per Hedbor 
38dca81996-12-10Per Hedbor  if(!defines->magic_java) res = magic_javascript_header(id);
d47cbf1996-12-02Per Hedbor  defines->magic_java="yes";
0943711997-02-25Per Hedbor 
e8790b1998-02-19Per Hedbor  return replace(res + magic_image(url||"", size[0], size[1], "i"+(defines->mi++), query_location()+num+"/"+quote(gt)+gif, query_location()+num2+"/"+quote(gt)+gif, (arg->alt?arg->alt:replace(gt, "\"","'")), (magic=="magic"?0:magic), id,input?na||"submit":0,ea), "</script>\n<script>","");
d47cbf1996-12-02Per Hedbor  }
ca0f081997-02-22Per Hedbor  if(input)
0943711997-02-25Per Hedbor  return (pre+"<input type=image name=\""+na+"\" border=0 alt=\""+
eab4221997-09-19Johan Schön  (arg->alt?arg->alt:replace(gt,"\"","'"))+
974b2a1997-10-02Peter Bortas  "\" src="+query_location()+num+"/"+quote(gt)+gif
0943711997-02-25Per Hedbor  +" align="+(al || defalign)+ea+
38dca81996-12-10Per Hedbor  " width="+size[0]+" height="+size[1]+">"+rest+post);
974b2a1997-10-02Peter Bortas  return (pre+(lp?lp:"")
41d0f91998-02-20Per Hedbor  + "<img border=0 alt=\""
219eec1998-02-02Jens Utbult  + (arg->alt?arg->alt:replace(gt,"\"","'"))
974b2a1997-10-02Peter Bortas  + "\" src=\"" + query_location()+num+"/"+quote(gt)+gif+"\" "+ea + " align="+(al || defalign) + " width="+size[0]+" height="+size[1]+">"+rest+(lp?"</a>":"")+post);
d47cbf1996-12-02Per Hedbor }
bfc7071997-01-13Per Hedbor inline string ns_color(array (int) col) { if(!arrayp(col)||sizeof(col)!=3) return "#000000"; return sprintf("#%02x%02x%02x", col[0],col[1],col[2]); } string make_args(mapping in) { array a=indices(in), b=values(in); for(int i=0; i<sizeof(a); i++) if(lower_case(b[i])!=a[i]) if(search(b,"\"")==-1) a[i]+="=\""+b[i]+"\""; else a[i]+="='"+b[i]+"'"; return a*" "; }
fc57521998-03-06Per Hedbor string|array (string) tag_body(string t, mapping args, object id, object file, mapping defines)
d47cbf1996-12-02Per Hedbor {
bfc7071997-01-13Per Hedbor  int cols,changed;
fc57521998-03-06Per Hedbor  if(args->help) return "This tag is parsed by &lt;gtext&gt; to get the document colors.";
bfc7071997-01-13Per Hedbor  if(args->bgcolor||args->text||args->link||args->alink ||args->background||args->vlink) cols=1;
40325f1997-12-17Henrik Grubbström (Grubba) #define FIX(Y,Z,X) do{if(!args->Y || args->Y==""){if(cols){defines->X=Z;args->Y=Z;changed=1;}}else{defines->X=args->Y;if(args->Y[0]!='#'){args->Y=ns_color(parse_color(args->Y));changed=1;}}}while(0)
bfc7071997-01-13Per Hedbor 
f922e41998-03-23Henrik Grubbström (Grubba)  if(!search((id->client||({}))*"","Mosaic"))
0ee0851997-02-08Per Hedbor  { FIX(bgcolor,"#bfbfbf",bg); FIX(text, "#000000",fg); FIX(link, "#0000b0",link); FIX(alink, "#3f0f7b",alink); FIX(vlink, "#ff0000",vlink); } else { FIX(bgcolor,"#c0c0c0",bg); FIX(text, "#000000",fg); FIX(link, "#0000ee",link); FIX(alink, "#ff0000",alink); FIX(vlink, "#551a8b",vlink); }
0fb7be1998-02-27Per Hedbor  if(changed) return ({make_tag("body", args) });
d47cbf1996-12-02Per Hedbor }
196dac1997-02-22Per Hedbor 
fc57521998-03-06Per Hedbor string|array(string) tag_fix_color(string tagname, mapping args, object id, object file, mapping defines)
bfc7071997-01-13Per Hedbor { int changed;
196dac1997-02-22Per Hedbor 
fc57521998-03-06Per Hedbor  if(args->help) return "This tag is parsed by &lt;gtext&gt; to get the document colors.";
196dac1997-02-22Per Hedbor  if(!id->misc->colors)
5f0d911997-02-27Per Hedbor  id->misc->colors = ({ ({ defines->fg, defines->bg, tagname }) });
196dac1997-02-22Per Hedbor  else
5f0d911997-02-27Per Hedbor  id->misc->colors += ({ ({ defines->fg, defines->bg, tagname }) });
f7d9811997-09-12Per Hedbor #undef FIX
52c8541997-12-19Henrik Grubbström (Grubba) #define FIX(X,Y) if(args->X && args->X!=""){defines->Y=args->X;if(args->X[0]!='#'){args->X=ns_color(parse_color(args->X));changed = 1;}}
bfc7071997-01-13Per Hedbor  FIX(bgcolor,bg); FIX(text,fg); FIX(color,fg);
41d0f91998-02-20Per Hedbor  if(changed) return ({"<"+tagname+" "+make_args(args)+">"});
bfc7071997-01-13Per Hedbor  return 0; }
d47cbf1996-12-02Per Hedbor 
fc57521998-03-06Per Hedbor string|void pop_color(string tagname,mapping args,object id,object file,
196dac1997-02-22Per Hedbor  mapping defines) { array c = id->misc->colors;
fc57521998-03-06Per Hedbor  if(args->help) return "This end-tag is parsed by &lt;gtext&gt; to get the document colors.";
2892dd1998-02-27Per Hedbor  if(!c ||!sizeof(c)) return;
df8d711998-02-27Per Hedbor  int i; tagname = tagname[1..]; for(i=0;i<sizeof(c);i++) if(c[-i-1][2]==tagname)
5f0d911997-02-27Per Hedbor  {
df8d711998-02-27Per Hedbor  defines->fg = c[-i-1][0]; defines->bg = c[-i-1][1];
5f0d911997-02-27Per Hedbor  break; }
df8d711998-02-27Per Hedbor  c = c[..-i-2];
5f0d911997-02-27Per Hedbor  id->misc->colors = c;
196dac1997-02-22Per Hedbor }
bfc7071997-01-13Per Hedbor mapping query_tag_callers()
d47cbf1996-12-02Per Hedbor {
fe21a71997-08-25Per Hedbor  return ([ "gtext-id":tag_gtext_id, ]) | (query("speedy")?([]):
f7d9811997-09-12Per Hedbor  (["font":tag_fix_color, "body":tag_body,
bfc7071997-01-13Per Hedbor  "table":tag_fix_color,
196dac1997-02-22Per Hedbor  "tr":tag_fix_color, "td":tag_fix_color,
5f0d911997-02-27Per Hedbor  "layer":tag_fix_color, "ilayer":tag_fix_color,
196dac1997-02-22Per Hedbor  "/td":pop_color, "/tr":pop_color, "/font":pop_color, "/body":pop_color, "/table":pop_color,
5f0d911997-02-27Per Hedbor  "/layer":pop_color,
f7d9811997-09-12Per Hedbor  "/ilayer":pop_color, ]));
d47cbf1996-12-02Per Hedbor } mapping query_container_callers() { return ([ "anfang":tag_graphicstext, "gh":tag_graphicstext,
bfc7071997-01-13Per Hedbor  "gh1":tag_graphicstext, "gh2":tag_graphicstext, "gh3":tag_graphicstext, "gh4":tag_graphicstext, "gh5":tag_graphicstext, "gh6":tag_graphicstext,
d47cbf1996-12-02Per Hedbor  "gtext":tag_graphicstext, ]); }