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/* This is a Roxen(r) module. Copyright (c) Idonex 1997. 
 * Released under GPL 
 * made by Per Hedbor 
 */ 
 
constant cvs_version = "$Id: wizard_tag.pike,v 1.21 2000/02/04 16:39:55 wellhard Exp $"; 
constant thread_safe=1; 
#include <module.h> 
inherit "module"; 
inherit "wizard"; 
 
mixed *register_module() 
{ 
  return ({MODULE_PARSER,"Wizard generator", 
          "Generates wizards<p>See &lt;wizard help&gt; for more information\n", 
          ({}),1,}); 
} 
 
string internal_verify(string t, mapping args, string contents, int l, int ol, 
                       mapping m) 
{ 
  m->verify = ({ contents, ol + l }); 
  return "<__wizard_error__>"; 
} 
 
string internal_page(string t, mapping args, string contents, int l, int ol, 
                     mapping f) 
{ 
  mapping m = ([ "verify":({ }) ]); 
   
  f->pages += ({ ({ 
    parse_html_lines(contents, ([]), ([ "verify":internal_verify ]), l, m), 
    ol + l, m->verify }) }); 
} 
 
string internal_done(string t, mapping args, string contents, int l, int ol, 
                     mapping f) 
{ 
  f->done=contents; 
} 
 
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, 
                  object file, mapping defines) 
{ 
  if(!id->misc->line) 
    id->misc->line=-1; 
  mapping f = ([ "pages":({}) ]); 
  string pike = ("inherit \"wizard\";\n" + 
                 sprintf("# "+id->misc->line+" %O\n" 
                         "string name = %O;\n", 
                         id->not_query, (args->name||"unnamed"))); 
  int p; 
  foreach(glob("*-label", indices(args)), string a) 
  { 
    pike += sprintf("# "+id->misc->line+" %O\n", 
                    id->not_query); 
    pike += sprintf("  string "+replace(replace(a,"-","_"),({"(",")","+",">"}), 
                                        ({"","","",""}))+  
                    " = %O;\n", args[a]); 
  } 
 
 
  if(args->ok) 
  { 
    pike += sprintf("# "+id->misc->line+" %O\n", id->not_query); 
    pike += sprintf("mixed wizard_done(object id)\n" 
                    "{\n" 
                    "  id->not_query = %O;\n\""+ 
                    "  return id->conf->get_file( id );\n" 
                    "}\n\n", 
                    fix_relative(args->ok, id)); 
  } 
 
  parse_html_lines(contents, 
                   ([]), 
                   ([ "page":internal_page, 
                      "done":internal_done ]),  
                   (int)id->misc->line,f); 
  if (f->done && !args->ok) { 
    pike += sprintf("mixed wizard_done(object id)\n" 
                    "{\n" 
                    "  return parse_rxml(%O,id);\n" 
                    "}\n", f->done); 
  } 
  foreach(f->pages, array q) 
  { 
    pike += sprintf("# "+q[1]+" %O\n", id->not_query); 
    pike += sprintf("string page_"+p+"(object id) {" + 
                    "  return parse_rxml(%O,id);\n" 
                    "}\n", q[0]); 
    if(q[2] && sizeof(q[2])) { 
      array v = q[2]; 
      pike += sprintf("# "+v[1]+" %O\n", id->not_query); 
      pike += sprintf("int verify_"+p+"(object id) {" 
                      "  string s = parse_rxml(%O,id);" 
                      "  if(id->misc->defines[\" _ok\"]) {\n" 
                      "    id->misc->__wizard_error__ = s;" 
                      "    return 1;" 
                      "  }" 
                      "}\n", v[0]); 
    } 
       
    p++; 
  } 
  object w; 
  if(pike == old_pike) 
    w = old_wizard; 
  else 
  { 
    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)) 
  { 
    defines[" _error"] = res->error; 
    defines[" _extra_heads"] = res->extra_heads; 
    return res->data||(res->file&&res->file->read())||""; 
  } 
  return res; 
} 
 
string tag_wizard_error(string t, mapping args, object id, 
                        object file, mapping defines) 
{ 
  if(id->misc->__wizard_error__) 
    return id->misc->__wizard_error__; 
  return ""; 
} 
 
mapping query_tag_callers() 
{ 
  return ([ "__wizard_error__" : tag_wizard_error ]); 
} 
 
mapping query_container_callers() 
{ 
  return ([ "wizard" : tag_wizard ]); 
} 
 
void start() 
{ 
   
}