Roxen.git/server/etc/modules/Variable.pmod/module.pmod:c9128c504bbed2c1d0deaaa1d2a24e79a2c45580

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1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 // $Id: module.pmod,v 1.44 2000/12/30 16:51:15 nilsson Exp $ #include <module.h> #include <roxen.h> // Locale macros //<locale-token project="roxen_config"> LOCALE </locale-token> #define LOCALE(X,Y) \ ([string](mixed)Locale.translate("roxen_config",roxenp()->locale->get(),X,Y)) // Increased for each variable, used to index the mappings below. static int unique_vid; // The theory is that most variables (or at least a sizable percentage // of all variables) does not have these members. Thus this saves // quite a respectable amount of memory, the cost is speed. But // hopefully not all that great a percentage of speed. static mapping(int:mixed) changed_values = ([]); static mapping(int:function(object:void)) changed_callbacks = ([]); static mapping(int:int) all_flags = ([]); static mapping(int:string) all_warnings = ([]); static mapping(int:function(RequestID,object:int)) invisibility_callbacks = set_weak_flag( ([]), 1 ); class Variable //! The basic variable type in Roxen. All other variable types should //! inherit this class. { constant is_variable = 1; constant type = "Basic"; //! Mostly used for debug (sprintf( "%O", variable_obj ) uses it) int _id = unique_vid++; // used for indexing the mappings. static mixed _initial; // default value static string _path = sprintf("v%x",_id); // used for forms static LocaleString __name, __doc; void destroy() { // clean up... m_delete( all_flags, _id ); m_delete( all_warnings, _id ); m_delete( invisibility_callbacks, _id ); m_delete( changed_values, _id ); } string get_warnings() //! Returns the current warnings, if any. { return all_warnings[ _id ]; } int get_flags() //! Returns the 'flags' field for this variable. //! Flags is a bitwise or of one or more of //! //! VAR_EXPERT Only for experts //! VAR_MORE Only visible when more-mode is on (default on) //! VAR_DEVELOPER Only visible when devel-mode is on (default on) //! VAR_INITIAL Should be configured initially. { return all_flags[_id]; } void set_flags( int flags ) //! Set the flags for this variable. //! Flags is a bitwise or of one or more of //! //! VAR_EXPERT Only for experts //! VAR_MORE Only visible when more-mode is on (default on) //! VAR_DEVELOPER Only visible when devel-mode is on (default on) //! VAR_INITIAL Should be configured initially. { if(!flags ) m_delete( all_flags, _id ); else all_flags[_id] = flags; } int check_visibility( RequestID id, int more_mode, int expert_mode, int devel_mode, int initial, int|void variable_in_cfif ) //! Return 1 if this variable should be visible in the //! configuration interface. The default implementation check the //! 'flags' field, and the invisibility callback, if any. See //! get_flags, set_flags and set_invisibibility_check_callback //! //! If variable_in_cfif is true, the variable is in a module //! that is added to the configuration interface itself. { int flags = get_flags(); function cb; if( flags & VAR_INVISIBLE ) return 0; if( initial && !(flags & VAR_INITIAL) ) return 0; if( (flags & VAR_EXPERT) && !expert_mode ) return 0; if( (flags & VAR_MORE) && !more_mode ) return 0; if( (flags & VAR_DEVELOPER) && !devel_mode ) return 0; if( (flags & VAR_NOT_CFIF) && variable_in_cfif ) return 0; if( (cb = get_invisibility_check_callback() ) && cb( id, this_object() ) ) return 0; return 1; } void set_invisibility_check_callback( function(RequestID,Variable:int) cb ) //! If the function passed as argument returns 1, the variable //! will not be visible in the configuration interface. //! //! Pass 0 to remove the invisibility callback. { if( functionp( cb ) ) invisibility_callbacks[ _id ] = cb; else m_delete( invisibility_callbacks, _id ); } function(Variable:void) get_changed_callback( ) //! Return the callback set with set_changed_callback { return changed_callbacks[ _id ]; } void set_changed_callback( function(Variable:void) cb ) //! The function passed as an argument will be called //! when the variable value is changed. //! //! Pass 0 to remove the callback. { if( functionp( cb ) ) changed_callbacks[ _id ] = cb; else m_delete( changed_callbacks, _id ); } void add_changed_callback( function(Variable:void) cb ) //! Add a new callback to be called when the variable is changed. //! If set_changed_callback is called, callbacks added with this function //! are overridden. { mixed oc = get_changed_callback( ); if( arrayp( oc ) ) oc += ({ cb }); else oc = ({ oc, cb }) - ({ 0 }); changed_callbacks[ _id ] = oc; } function(RequestID,Variable:int) get_invisibility_check_callback() //! Return the current invisibility check callback { return invisibility_callbacks[_id]; } LocaleString doc( ) //! Return the documentation for this variable (locale dependant). //! //! The default implementation queries the locale object in roxen //! to get the documentation. { return __doc || ""; } LocaleString name( ) //! Return the name of this variable (locale dependant). //! //! The default implementation queries the locale object in roxen //! to get the documentation. { return __name || LOCALE(326,"unnamed")+" "+_id; } LocaleString type_hint( ) //! Return the type hint for this variable. //! Type hints are generic documentation for this variable type, //! and is the same for all instances of the type. { } mixed default_value() //! The default (initial) value for this variable. { return _initial; } void set_warning( string to ) //! Set the warning shown in the configuration interface { if( to && strlen(to) ) all_warnings[ _id ] = to; else m_delete( all_warnings, _id ); } void add_warning( string to ) //! Like set_warning, but adds to the current warning, if any. { if(to) set_warning( (get_warnings()||"") + to ); } int set( mixed to ) //! Set the variable to a new value. //! If this function returns true, the set was successful. //! Otherwise 0 is returned. 0 is also returned if the variable was //! not changed by the set. 1 is returned if the variable was //! changed, and -1 is returned if the variable was changed back to //! it's default value. //! //! If verify_set() threw a string, ([])[0] is returned, that is, //! 0 with zero_type set. //! //! If verify_set() threw an exception, the exception is thrown. { string err, e2; if( e2 = catch( [err,to] = verify_set( to )) ) { if( stringp( e2 ) ) { add_warning( e2 ); return ([])[0]; } throw( e2 ); } add_warning( err ); return low_set( to ); } int low_set( mixed to ) //! Forced set. No checking is done whatsoever. //! 1 is returned if the variable was changed, -1 is returned if //! the variable was changed back to it's default value and 0 //! otherwise. { if( equal( to, query() ) ) return 0; if( !equal(to, default_value() ) ) { changed_values[ _id ] = to; if( get_changed_callback() ) catch( get_changed_callback()( this_object() ) ); return 1; } else { m_delete( changed_values, _id ); if( get_changed_callback() ) catch( get_changed_callback()( this_object() ) ); return -1; } } mixed query() //! Returns the current value for this variable. { mixed v; if( !zero_type( v = changed_values[ _id ] ) ) return v; return default_value(); } int is_defaulted() //! Return true if this variable is set to it's default value. { return zero_type( changed_values[ _id ] ) || equal(changed_values[ _id ], default_value()); } array(string|mixed) verify_set_from_form( mixed new_value ) //! Like verify_set, but only called when the variables are set //! from a form. { return ({ 0, new_value }); } array(string|mixed) verify_set( mixed new_value ) //! Return ({ error, new_value }) for the variable, or throw a string. //! //! If error != 0, it should contain a warning or error message. //! If new_value is modified, it will be used instead of the //! supplied value. //! //! If a string is thrown, it will be used as a error message from //! set, and the variable will not be changed. { return ({ 0, new_value }); } mapping(string:string) get_form_vars( RequestID id ) //! Return all form variables preficed with path(). { string p = path(); array names = glob( p+"*", indices(id->variables) ); mapping res = ([ ]); foreach( sort(names), string n ) res[ n[strlen(p).. ] ] = id->variables[ n ]; return res; } mixed transform_from_form( string what ) //! Given a form value, return what should be set. //! Used by the default set_from_form implementation. { return what; } void set_from_form( RequestID id ) //! Set this variable from the form variable in id->Variables, //! if any are available. The default implementation simply sets //! the variable to the string in the form variables. //! //! Other side effects: Might create warnings to be shown to the //! user (see get_warnings) //! //! Calls verify_set_from_form and verify_set { mixed val; if( sizeof( val = get_form_vars(id)) && val[""] && (val = transform_from_form( val[""] )) != query() ) { array b; mixed q = catch( b = verify_set_from_form( val ) ); if( q || sizeof( b ) != 2 ) { if( q ) add_warning( q ); else add_warning( "Internal error: Illegal sized array " "from verify_set_from_form\n" ); return; } if( b ) { set_warning( b[0] ); set( b[1] ); } } } string path() //! A unique identifier for this variable. //! Should be used to prefix form variable names. //! //! Unless this variable was created by defvar(), the path is set //! by the configuration interface the first time the variable is //! to be shown in a form. This function can thus return 0. If it //! does, and you still have to show the form, call set_path( ) //! with a unique string. { return _path; } void set_path( string to ) //! Set the path. Not normally called from user-level code. //! //! This function must be called at least once before render_form //! can be called (at least if more than one variable is to be //! shown on the same page). This is normally done by the //! configuration interface. { _path = to; } string render_form( RequestID id, void|mapping additional_args ); //! Return a (HTML) form to change this variable. The name of all <input> //! or similar variables should be prefixed with the value returned //! from the path() function. string render_view( RequestID id ) //! Return a 'view only' version of this variable. { mixed v = query(); if( arrayp(v) ) v = map(v,lambda(mixed v){return(string)v;})*", " ; return Roxen.html_encode_string( (string)v ); } static string _sprintf( int i ) { if( i == 'O' ) return sprintf( "Variable.%s(%s)",type,(string)name()); } static void create(mixed default_value, void|int flags, void|LocaleString std_name, void|LocaleString std_doc) //! Constructor. //! Flags is a bitwise or of one or more of //! //! VAR_EXPERT Only for experts //! VAR_MORE Only visible when more-mode is on (default on) //! VAR_DEVELOPER Only visible when devel-mode is on (default on) //! VAR_INITIAL Should be configured initially. //! //! The std_name and std_doc is the name and documentation string //! for the default locale (always english) { set_flags( flags ); _initial = default_value; __name = std_name; __doc = std_doc; } } // ===================================================================== // Float // ===================================================================== class Float //! Float variable, with optional range checks, and adjustable precision. { inherit Variable; constant type = "Float"; static float _max, _min; static int _prec = 2; static string _format( float m ) { if( !_prec ) return sprintf( "%d", (int)m ); return sprintf( "%1."+_prec+"f", m ); } void set_range(float minimum, float maximum ) //! Set the range of the variable, if minimum and maximum are both //! 0.0 (the default), the range check is removed. { _max = maximum; _min = minimum; } void set_precision( int prec ) //! Set the number of _decimals_ shown to the user. //! If prec is 3, and the float is 1, 1.000 will be shown. //! Default is 2. { _prec = prec; } array(string|float) verify_set( float new_value ) { string warn; if( new_value > _max && _max > _min) { warn = sprintf(LOCALE(328,"Value is bigger than %s, adjusted"), _format(_max) ); new_value = _max; } else if( new_value < _min && _min < _max) { warn = sprintf(LOCALE(329,"Value is less than %s, adjusted"), _format(_min) ); new_value = _min; } return ({ warn, new_value }); } float transform_from_form( string what ) { return (float)what; } string render_view( RequestID id ) { return Roxen.html_encode_string( _format(query()) ); } string render_form( RequestID id, void|mapping additional_args ) { int size = 15; if( _max != _min ) size = max( strlen(_format(_max)), strlen(_format(_min)) )+2; return input(path(), (query()==""?"":_format(query())), size, additional_args); } } // ===================================================================== // Int // ===================================================================== class Int //! Integer variable, with optional range checks { inherit Variable; constant type = "Int"; static int _max, _min; void set_range(int minimum, int maximum ) //! Set the range of the variable, if minimum and maximum are both //! 0 (the default), the range check is removed. { _max = maximum; _min = minimum; } array(string|int) verify_set( mixed new_value ) { string warn; if(!intp( new_value ) ) return ({ sprintf(LOCALE(152,"%O is not an integer"),new_value), query() }); if( new_value > _max && _max > _min ) { warn = sprintf(LOCALE(328,"Value is bigger than %s, adjusted"), (string)_max ); new_value = _max; } else if( new_value < _min && _min < _max) { warn = sprintf(LOCALE(329,"Value is less than %s, adjusted"), (string)_min ); new_value = _min; } return ({ warn, new_value }); } int transform_from_form( mixed what ) { sscanf( what, "%d", what ); return what; } string render_form( RequestID id, void|mapping additional_args ) { int size = 10; if( _min != _max ) size = max( strlen((string)_max), strlen((string)_min) )+2; return input(path(), (string)query(), size, additional_args); } } // ===================================================================== // String // ===================================================================== class String //! String variable { inherit Variable; constant type = "String"; constant width = 40; //! The width of the input field. Used by overriding classes. array(string) verify_set_from_form( string new ) { return ({ 0, new-"\r" }); } string render_form( RequestID id, void|mapping additional_args ) { return input(path(), (string)query(), width, additional_args); } } // ===================================================================== // Text // ===================================================================== class Text //! Text (multi-line string) variable { inherit String; constant type = "Text"; constant cols = 60; //! The width of the textarea constant rows = 10; //! The height of the textarea string render_form( RequestID id, void|mapping additional_args ) { return "<textarea cols='"+cols+"' rows='"+rows+"' name='"+path()+"'>" + Roxen.html_encode_string( query() || "" ) + "</textarea>"; } } // ===================================================================== // Password // ===================================================================== class Password //! Password variable (uses crypt) { inherit String; constant width = 20; constant type = "Password"; void set_from_form( RequestID id ) { mapping val; if( sizeof( val = get_form_vars(id)) && val[""] && strlen(val[""]) ) set( crypt( val[""] ) ); } string render_view( RequestID id ) { return "******"; } string render_form( RequestID id, void|mapping additional_args ) { additional_args = additional_args || ([]); additional_args->type="password"; return input(path(), "", 30, additional_args); } } class File //! A filename { inherit String; constant type = "File"; constant width = 50; string read( ) //! Read the file as a string. { return Stdio.read_bytes( query() ); } Stat stat() //! Stat the file { return file_stat( query() ); } #ifdef __NT__ array verify_set( string value ) { return ::verify_set( replace( value, "\\", "/" ) ); } #endif } class Location //! A location in the virtual filesystem { inherit String; constant type = "Location"; constant width = 50; array verify_set( string value ) { if( !strlen( value ) || !((<'~','/'>)[value[-1]]) ) return ({ LOCALE(330,"You most likely want an ending '/' on this variable"), value }); return ::verify_set( value ); } } class URL //! A URL. { inherit String; constant type = "URL"; constant width = 50; array verify_set_from_form( string new_value ) { return verify_port( new_value, 1 ); } } class Directory //! A Directory. { inherit String; constant type = "Directory"; constant width = 50; array verify_set( string value ) { #ifdef __NT__ value = replace( value, "\\", "/" ); #endif if( strlen(value) && value[-1] != '/' ) value += "/"; if( !strlen( value ) ) return ::verify_set( value ); if( !(r_file_stat( value ) && (r_file_stat( value )[ ST_SIZE ] == -2 ))) return ({sprintf(LOCALE(331,"%s is not a directory"),value)+"\n",value}); return ::verify_set( value ); } Stat stat() //! Stat the directory { return file_stat( query() ); } array get( ) //! Return a listing of all files in the directory { return get_dir( query() ); } } // ===================================================================== // MultipleChoice (one of many) baseclass // ===================================================================== class MultipleChoice //! Base class for multiple-choice (one of many) variables. { inherit Variable; static array _list = ({}); static mapping _table = ([]); void set_choice_list( array to ) //! Set the list of choices. { _list = to; } array get_choice_list( ) //! Get the list of choices. Used by this class as well. //! You can overload this function if you want a dynamic list. { return _list; } void set_translation_table( mapping to ) //! Set the lookup table. { _table = to; } mapping get_translation_table( ) //! Get the lookup table. Used by this class as well. //! You can overload this function if you want a dynamic table. { return _table; } static string _name( mixed what ) //! Get the name used as value for an element gotten from the //! get_choice_list() function. { return (string)what; } static string _title( mixed what ) //! Get the title used as description (shown to the user) for an //! element gotten from the get_choice_list() function. { if( mapping tt = get_translation_table() ) return tt[ what ] || (string)what; return (string)what; } string render_form( RequestID id, void|mapping additional_args ) { string res = "<select name='"+path()+"'>\n"; string current = _name (query()); int selected = 0; foreach( get_choice_list(), mixed elem ) { mapping m = ([]); m->value = _name( elem ); if( equal( m->value, current ) ) { m->selected="selected"; selected = 1; } res += " "+Roxen.make_container( "option", m, _title( elem ) )+"\n"; } if (!selected) // Make an entry for the current value if it's not in the list, // so no other value appears to be selected, and to ensure that // the value doesn't change as a side-effect by another change. res += " " + Roxen.make_container ( "option", (["value":_name(current), "selected": "selected"]), sprintf(LOCALE(332,"(keep stale value %s)"),_name(current))); return res + "</select>"; } static void create( mixed default_value, array|mapping choices, int _flags, LocaleString std_name, LocaleString std_doc ) //! Constructor. //! //! Choices is the list of possible choices, can be set with //! set_choice_list at any time. //! //! Flags is a bitwise or of one or more of //! //! VAR_EXPERT Only for experts //! VAR_MORE Only visible when more-mode is on (default on) //! VAR_DEVELOPER Only visible when devel-mode is on (default on) //! VAR_INITIAL Should be configured initially. //! //! The std_name and std_doc is the name and documentation string //! for the default locale (always english) { ::create( default_value, _flags, std_name, std_doc ); if( mappingp( choices ) ) { set_translation_table( choices ); set_choice_list( indices(choices) ); } else set_choice_list( choices ); } } // ===================================================================== // MultipleChoice subclasses // ===================================================================== class StringChoice //! Select one of many strings. { inherit MultipleChoice; constant type = "StringChoice"; } class IntChoice //! Select one of many integers. { inherit MultipleChoice; constant type = "IntChoice"; int transform_from_form( string what ) { return (int)what; } } class FloatChoice //! Select one of many floating point (real) numbers. { inherit MultipleChoice; constant type = "FloatChoice"; static int _prec = 3; void set_precision( int prec ) //! Set the number of _decimals_ shown to the user. //! If prec is 3, and the float is 1, 1.000 will be shown. //! Default is 2. { _prec = prec; } static string _title( mixed what ) { if( !_prec ) return sprintf( "%d", (int)what ); return sprintf( "%1."+_prec+"f", what ); } int transform_from_form( string what ) { array q = get_choice_list(); mapping a = mkmapping( map( q, _name ), q ); return a[what] || (float)what; // Do we want this fallback? } } class FontChoice //! Select a font from the list of available fonts { inherit StringChoice; constant type = "FontChoice"; void set_choice_list() { } array get_choice_list() { return roxenp()->fonts->available_fonts(); } static void create(mixed default_value,int flags, LocaleString std_name,LocaleString std_doc) //! Constructor. //! Flags is a bitwise or of one or more of //! //! VAR_EXPERT Only for experts //! VAR_MORE Only visible when more-mode is on (default on) //! VAR_DEVELOPER Only visible when devel-mode is on (default on) //! VAR_INITIAL Should be configured initially. //! //! The std_name and std_doc is the name and documentation string //! for the default locale (always english) { ::create( default_value, 0, flags,std_name, std_doc ); } } // ===================================================================== // List baseclass // ===================================================================== class List //! Many of one type types { inherit Variable; constant type="List"; constant width = 40; string transform_to_form( mixed what ) //! Override this function to do the value->form mapping for //! individual elements in the array. { return (string)what; } mixed transform_from_form( string what ) { return what; } static int _current_count = time()*100+(gethrtime()/10000); void set_from_form(RequestID id) { int rn, do_goto; array l = query(); mapping vl = get_form_vars(id); // first do the assign... if( (int)vl[".count"] != _current_count ) return; _current_count++; foreach( indices( vl ), string vv ) if( sscanf( vv, ".set.%d", rn ) ) { m_delete( id->variables, path()+vv ); l[rn] = transform_from_form( vl[vv] ); m_delete( vl, vv ); } // then the move... foreach( indices(vl), string vv ) if( sscanf( vv, ".up.%d.x%*s", rn ) == 2 ) { do_goto = 1; m_delete( id->variables, path()+vv ); m_delete( vl, vv ); l = l[..rn-2] + l[rn..rn] + l[rn-1..rn-1] + l[rn+1..]; } else if( sscanf( vv, ".down.%d.x%*s", rn )==2 ) { do_goto = 1; m_delete( id->variables, path()+vv ); l = l[..rn-1] + l[rn+1..rn+1] + l[rn..rn] + l[rn+2..]; } // then the possible add. if( vl[".new.x"] ) { do_goto = 1; m_delete( id->variables, path()+".new.x" ); l += ({ transform_from_form( "" ) }); } // .. and delete .. foreach( indices(vl), string vv ) if( sscanf( vv, ".delete.%d.x%*s", rn )==2 ) { do_goto = 1; m_delete( id->variables, path()+vv ); l = l[..rn-1] + l[rn+1..]; } if( do_goto ) { if( !id->misc->do_not_goto ) { id->misc->moreheads = ([ "Location":Roxen.http_encode_string(id->raw_url+"?random="+ random(4949494)+ "&section="+ id->variables->section+ "#"+path()), ]); if( id->misc->defines ) id->misc->defines[ " _error" ] = 302; } } array b; mixed q = catch( b = verify_set_from_form( l ) ); if( q || sizeof( b ) != 2 ) { if( q ) set_warning( q ); else set_warning( "Internal error: Illegal sized array " "from verify_set_from_form\n" ); return; } if( b ) { set_warning( b[0] ); set( b[1] ); } } string render_form( RequestID id, void|mapping additional_args ) { string prefix = path()+"."; int i; string res = "<a name='"+path()+"'>\n</a><table>\n" "<input type='hidden' name='"+prefix+"count' value='"+_current_count+"' />\n"; foreach( map(query(), transform_to_form), string val ) { res += "<tr>\n<td><font size='-1'>"+ input( prefix+"set."+i, val, width) + "</font></td>\n"; #define BUTTON(X,Y) ("<submit-gbutton2 name='"+X+"'>"+Y+"</submit-gbutton2>") #define REORDER(X,Y) ("<submit-gbutton2 name='"+X+"' icon-src='"+Y+"'></submit-gbutton2>") if( i ) res += "\n<td>"+ REORDER(prefix+"up."+i, "/internal-roxen-up")+ "</td>"; else res += "\n<td></td>"; if( i != sizeof( query())- 1 ) res += "\n<td>"+ REORDER(prefix+"down."+i, "/internal-roxen-down") +"</td>"; else res += "\n<td></td>"; res += "\n<td>"+ BUTTON(prefix+"delete."+i, LOCALE(227, "Delete") ) +"</td>"; "</tr>"; i++; } res += "\n<tr><td colspan='2'>"+ BUTTON(prefix+"new", LOCALE(297, "New row") )+ "</td></tr></table>\n\n"; return res; } } // ===================================================================== // List subclasses // ===================================================================== class DirectoryList //! A list of directories { inherit List; constant type="DirectoryList"; array verify_set( array(string) value ) { string warn = ""; foreach( value, string vi ) { if(!strlen(vi)) // empty continue; if( !(r_file_stat( vi ) && (r_file_stat( vi )[ ST_SIZE ] == -2 ))) warn += sprintf(LOCALE(331,"%s is not a directory"),vi)+"\n"; if( strlen(vi) && vi[-1] != '/' ) value = replace( value, vi, vi+"/" ); } #ifdef __NT__ value = map( value, replace, "\\", "/" ); #endif if( strlen( warn ) ) return ({ warn, value }); return ::verify_set( value ); } } class StringList //! A list of strings { inherit List; constant type="StringList"; } class IntList //! A list of integers { inherit List; constant type="IntList"; constant width=20; string transform_to_form(int what) { return (string)what; } int transform_from_form(string what) { return (int)what; } } class FloatList //! A list of floating point numbers { inherit List; constant type="DirectoryList"; constant width=20; static int _prec = 3; void set_precision( int prec ) //! Set the number of _decimals_ shown to the user. //! If prec is 3, and the float is 1, 1.000 will be shown. //! Default is 2. { _prec = prec; } string transform_to_form(int what) { return sprintf("%1."+_prec+"f", what); } float transform_from_form(string what) { return (float)what; } } class URLList //! A list of URLs { inherit List; constant type="URLList"; array verify_set_from_form( array(string) new_value ) { string warn = ""; array res = ({}); foreach( new_value, string vv ) { string tmp1, tmp2; [tmp1,tmp2] = verify_port( vv, 1 ); if( tmp1 ) warn += tmp1; res += ({ tmp2 }); } if( !strlen( warn ) ) warn = 0; return ({ warn, res }); } } class PortList //! A list of Port URLs { inherit List; constant type="PortList"; array verify_set_from_form( array(string) new_value ) { string warn = ""; array res = ({}); foreach( new_value, string vv ) { string tmp1, tmp2; [tmp1,tmp2] = verify_port( vv, 0 ); if( tmp1 ) warn += tmp1; res += ({ tmp2 }); } if( !strlen( warn ) ) warn = ""; return ({ warn, res }); } } class FileList //! A list of filenames. { inherit List; constant type="FileList"; #ifdef __NT__ array verify_set( array(string) value ) { return ::verify_set( map( value, replace, "\\", "/" ) ); } #endif } // ===================================================================== // Flag // ===================================================================== class Flag //! A on/off toggle. { inherit Variable; constant type = "Flag"; int transform_from_form( string what ) { return (int)what; } string render_form( RequestID id, void|mapping additional_args ) { string res = "<select name=\""+path()+"\"> "; if(query()) res += "<option value=\"1\" selected=\"selected\">" + LOCALE("yes", "Yes")+ "</option>\n" "<option value=\"0\">" +LOCALE("no", "No")+ "</option>\n"; else res += "<option value=\"1\">" +LOCALE("yes", "Yes")+ "</option>\n" "<option value=\"0\" selected>" +LOCALE("no", "No")+ "</option>\n"; return res+"</select>"; } } // ================================================================= // Utility functions used in multiple variable classes above // ================================================================= static array(string) verify_port( string port, int nofhttp ) { if(!strlen(port)) return ({ 0, port }); string warning=""; if( (int)port ) { warning += sprintf(LOCALE(333,"Assuming http://*:%[0]d/ for %[0]d")+"\n", (int)port); port = "http://*:"+port+"/"; } string protocol, host, path; if(!strlen( port ) ) return ({ LOCALE(334,"Empty URL field")+"\n", port }); if(sscanf( port, "%[^:]://%[^/]%s", protocol, host, path ) != 3) return ({ sprintf(LOCALE(335,"%s does not conform to URL syntax")+"\n",port), port }); if( path == "" || path[-1] != '/' ) { warning += sprintf(LOCALE(336,"Added / to the end of %s")+"\n",port); path += "/"; } if( nofhttp && protocol == "fhttp" ) { warning += sprintf(LOCALE(337,"Changed %s to http")+"\n",protocol); protocol = "http"; } if( protocol != lower_case( protocol ) ) { warning += sprintf(LOCALE(338,"Changed %s to %s"), protocol, lower_case( protocol ))+"\n"; protocol = lower_case( protocol ); } if(!nofhttp) // it's a port, not a URL { #if constant(SSL.sslfile) /* All is A-OK */ #else if( (protocol == "https" || protocol == "ftps") ) warning += LOCALE(339,"SSL support not available in this Pike version.")+"\n"+ sprintf(LOCALE(340,"Please use %s instead."), protocol[..strlen(protocol)-2])+"\n"; #endif } int pno; if( sscanf( host, "%s:%d", host, pno ) == 2) if( roxenp()->protocols[ lower_case( protocol ) ] && (pno == roxenp()->protocols[ lower_case( protocol ) ]->default_port )) warning += sprintf(LOCALE(341,"Removed the default port number " "(%d) from %s"),pno,port)+"\n"; else host = host+":"+pno; port = protocol+"://"+host+path; if( !roxenp()->protocols[ protocol ] ) warning += sprintf(LOCALE(342,"Warning: The protocol %s is not known " "by roxen"),protocol)+"\n"; return ({ (strlen(warning)?warning:0), port }); } string input(string name, string value, int size, void|mapping(string:string) args, void|int noxml) { if(!args) args=([]); else args+=([]); args->name=name; if(value) args->value=value; if(!args->size && size) args->size=(string)size; string render="<input"; foreach(indices(args), string attr) { render+=" "+attr+"="; if(!has_value(args[attr], "\"")) render+="\""+args[attr]+"\""; else if(!has_value(args[attr], "'")) render+="'"+args[attr]+"'"; else render+="\""+replace(args[attr], "'", "'")+"\""; } if(noxml) return render+">"; return render+" />"; }

Roxen.git/ server/ etc/ modules/ Variable.pmod/ module.pmod > c9128c504bbed2c1d0deaaa1d2a24e79a2c45580 [Annotate]