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/* This is a Roxen Challenger(r) module. Copyright (c) Idonex 1997. 
 * Released under GPL 
 * made by Per Hedbor 
 */ 
 
constant cvs_version = "$Id: wizard_tag.pike,v 1.5 1998/02/22 18:19:06 per Exp $"; 
constant thread_safe=1; 
#include <module.h> 
inherit "module"; 
inherit "wizard"; 
 
mixed *register_module() 
{ 
  return ({MODULE_PARSER,"Wizard generator", 
           ("Generates wizards<p>\n" 
            "Syntax:<br>\n" 
"<br>" 
"&lt;wizard [next-label=...] [previous-label=...] [ok-label=...] [cancel-label=...] [page-label=...] name=\"A Name\" cancel=\"url to go to when cancel is pressed\" done=\"url to go to when ok (or cancel, if not 'cancel' option is specified) is pressed\"&gt;<br>" 
"&nbsp;&nbsp;&lt;page&gt;<br>" 
"&nbsp;&nbsp;&nbsp;&nbsp;A page (RXML code, with two extra tags, &lt;var&gt; and &lt;cvar&gt;, see below)<br>" 
"&nbsp;&nbsp;&lt;/page&gt;<br>" 
"&nbsp;&nbsp;&lt;page&gt;<br>" 
"&nbsp;&nbsp;&nbsp;&nbsp;Another page...<br>" 
"&nbsp;&nbsp;&lt;/page&gt;<br>" 
"&lt;/wizard&gt;<br>" 
"<br>" 
"&lt;var <br>" 
"&nbsp;&nbsp; <nobr>type=\"string|password|list|text|radio|checkbox|int|float|color|font|toggle|select|select_multiple\"</nobr><br>" 
"&nbsp;&nbsp;   name=\"var_name\"<br>" 
"&nbsp;&nbsp;   options=\"foo,bar,gazonk\"    -- (for select and select_multiple) --<br>" 
"&nbsp;&nbsp;   default=\"default value\"<br>" 
"&nbsp;&nbsp;   rows=num and cols=num       -- (for text) --<br>" 
"&nbsp;&nbsp;   size=chars                  -- (for most) --&gt;<br>" 
"&lt;cvar -- same as var,but the default value is the contents of the container --&gt;<br>" 
"&lt;/cvar&gt;<br>"),({}),1,}); 
} 
 
string internal_page(string t, mapping args, string contents, int l, int ol, 
                     mapping f) 
{ 
  f->pages +=({({contents,ol+l})}); 
} 
 
string fix_relative(string file, object id) 
{ 
  if(file != "" && file[0] == '/') return file; 
  file = combine_path(dirname(id->not_query) + "/",  file); 
  return file; 
} 
 
string old_pike = ""; 
object old_wizard = 0; 
 
string tag_wizard(string t, mapping args, string contents, object id) 
{ 
  mapping f = ([ "pages":({}) ]); 
  string pike = ("inherit \"wizard\";\n" 
                 "# "+id->misc->defines->line+" \""+id->not_query+"\"\n" 
                 "string name=\""+(args->name||"unnamed")+"\";\n"); 
  int p; 
  foreach(glob("*-label", indices(args)), string a) 
  { 
    pike += ("# "+id->misc->defines->line+" \""+id->not_query+"\"\n"); 
    pike += "  string "+replace(replace(a,"-","_"),({"(",")","+",">"}), 
                                ({"","","",""}))+  
      " = \""+replace(args[a], ({"\"","\n","\r", "\\"}),  
                      ({"\\\"", "\\n", "\\r", "\\\\"}))+"\";\n"; 
  } 
 
 
  if(args->ok) 
  { 
    pike += ("# "+id->misc->defines->line+" \""+id->not_query+"\"\n"); 
    pike += ("mixed wizard_done(object id)\n" 
             "{\n" 
             "  id->not_query = \""+ 
             fix_relative(replace(args->ok, ({"\"","\n","\r", "\\"}),  
                                  ({"\\\"", "\\n", "\\r", "\\\\"})),id)+"\";\n" 
             "  return roxen->get_file( id );\n" 
             "}\n\n"); 
  } 
  parse_html_lines(contents, ([]), (["page":internal_page]),  
                   (int)id->misc->defines->line,f); 
  foreach(f->pages, array q) 
  { 
    pike += ("# "+q[1]+" \""+id->not_query+"\"\n"); 
    pike += ("string page_"+p+"(object id) {" + 
             "return \""+replace(q[0], ({"\"","\n","\r", "\\"}),  
                                 ({"\\\"", "\\n", "\\r", "\\\\"}))+"\";}\n"); 
    p++; 
  } 
  object w; 
  if(pike == old_pike) 
    w = old_wizard; 
  else 
  { 
    werror("compiling:\n"+pike+"\n"); 
    old_wizard = w = compile_string(pike)(); 
    old_pike = pike; 
  } 
 
 
  mixed res = w->wizard_for(id,fix_relative(args->cancel||args->done,id)); 
 
  if(mappingp(res)) 
  { 
    id->misc->defines[" _error"] = res->error; 
    id->misc->defines[" _extra_heads"] = res->extra_heads; 
    return res->data||(res->file&&res->file->read())||""; 
  } 
  return res; 
} 
 
 
mapping query_container_callers() 
{ 
  return ([ "wizard" : tag_wizard ]); 
} 
 
void start() 
{ 
   
}