/**
* @brief display value of a node property from the command line
*/
static void UI_NodeGetProperty_f (void)
{
uiNode_t* node;
const value_t* property;
const char* sValue;
float fValue;
if (Cmd_Argc() != 2) {
Com_Printf("Usage: %s <nodepath@prop>\n", Cmd_Argv(0));
return;
}
UI_ReadNodePath(Cmd_Argv(1), nullptr, &node, &property);
if (node == nullptr) {
Com_Printf("UI_NodeGetProperty_f: Node from path '%s' doesn't exist\n", Cmd_Argv(1));
return;
}
if (property == nullptr) {
Com_Printf("UI_NodeGetProperty_f: Property from path '%s' doesn't exist\n", Cmd_Argv(1));
return;
}
/* check string value */
sValue = UI_GetStringFromNodeProperty(node, property);
if (sValue) {
Com_Printf("\"%s\" is \"%s\"\n", Cmd_Argv(1), sValue);
return;
}
/* check float value */
fValue = UI_GetFloatFromNodeProperty(node, property);
Com_Printf("\"%s\" is \"%f\"\n", Cmd_Argv(1), fValue);
}
/**
* @brief Replace injection identifiers (e.g. <eventParam>) by a value
* @note The injection identifier can be every node value - e.g. <image> or <width>.
* It's also possible to do something like
* @code
* cmd "set someCvar <min>/<max>"
* @endcode
*/
const char* UI_GenInjectedString (const char* input, bool addNewLine, const uiCallContext_t *context)
{
static char cmd[256];
int length = sizeof(cmd) - (addNewLine ? 2 : 1);
static char propertyName[256];
const char *cin = input;
char *cout = cmd;
while (length && cin[0] != '\0') {
if (cin[0] == '<') {
/* read propertyName between '<' and '>' */
const char *next = UI_GenCommandReadProperty(cin, propertyName, sizeof(propertyName));
if (next) {
/* cvar injection */
if (char const* const rest = Q_strstart(propertyName, "cvar:")) {
cvar_t const* const cvar = Cvar_Get(rest);
const int l = snprintf(cout, length, "%s", cvar->string);
cout += l;
cin = next;
length -= l;
continue;
} else if (char const* const path = Q_strstart(propertyName, "node:")) {
uiNode_t *node;
const value_t *property;
const char* string;
int l;
UI_ReadNodePath(path, context->source, &node, &property);
if (!node) {
Com_Printf("UI_GenInjectedString: Node '%s' wasn't found; '' returned\n", path);
#ifdef DEBUG
Com_Printf("UI_GenInjectedString: Path relative to '%s'\n", UI_GetPath(context->source));
#endif
string = "";
} else if (!property) {
Com_Printf("UI_GenInjectedString: Property '%s' wasn't found; '' returned\n", path);
string = "";
} else {
string = UI_GetStringFromNodeProperty(node, property);
if (string == NULL) {
Com_Printf("UI_GenInjectedString: String getter for '%s' property do not exists; '' injected\n", path);
string = "";
}
}
l = snprintf(cout, length, "%s", string);
cout += l;
cin = next;
length -= l;
continue;
/* source path injection */
} else if (char const* const command = Q_strstart(propertyName, "path:")) {
if (context->source) {
const uiNode_t *node = NULL;
if (Q_streq(command, "root"))
node = context->source->root;
else if (Q_streq(command, "this"))
node = context->source;
else if (Q_streq(command, "parent"))
node = context->source->parent;
else
Com_Printf("UI_GenCommand: Command '%s' for path injection unknown\n", command);
if (node) {
const int l = snprintf(cout, length, "%s", UI_GetPath(node));
cout += l;
cin = next;
length -= l;
continue;
}
}
/* no prefix */
} else {
/* source property injection */
if (context->source) {
/* find property definition */
const value_t *property = UI_GetPropertyFromBehaviour(context->source->behaviour, propertyName);
if (property) {
const char* value;
int l;
/* inject the property value */
value = UI_GetStringFromNodeProperty(context->source, property);
if (value == NULL)
value = "";
l = snprintf(cout, length, "%s", value);
cout += l;
cin = next;
length -= l;
continue;
}
}
/* param injection */
if (UI_GetParamNumber(context) != 0) {
int arg;
const int checked = sscanf(propertyName, "%d", &arg);
if (checked == 1 && arg >= 1 && arg <= UI_GetParamNumber(context)) {
const int l = snprintf(cout, length, "%s", UI_GetParam(context, arg));
cout += l;
cin = next;
length -= l;
continue;
}
}
}
}
}
*cout++ = *cin++;
length--;
}
/* is buffer too small? */
assert(cin[0] == '\0');
if (addNewLine)
*cout++ = '\n';
*cout++ = '\0';
/* copy the result into a free va slot */
return va("%s", cmd);
}
/**
* @return A string, else an empty string
* @todo this should not work very well, because too much va are used
* then we should locally cache values, or manage a temporary string structure
*/
const char* UI_GetStringFromExpression (uiAction_t *expression, const uiCallContext_t *context)
{
switch (expression->type & EA_HIGHT_MASK) {
case EA_VALUE:
switch (expression->type) {
case EA_VALUE_VAR:
{
uiValue_t *variable = UI_GetVariable(context, expression->d.terminal.d1.integer);
switch (variable->type) {
case EA_VALUE_STRING:
if (variable->value.string == nullptr) {
Com_Printf("UI_GetStringFromExpression: String variable not initialized. Empty string returned");
return "";
}
return variable->value.string;
case EA_VALUE_FLOAT:
{
const float number = variable->value.number;
const int integer = number;
/** @todo should we add a delta? */
if (number == integer)
return va("%i", integer);
else
return va("%f", number);
}
case EA_VALUE_CVAR:
{
cvar_t *cvar = variable->value.cvar;
if (cvar == nullptr) {
Com_Printf("UI_GetStringFromExpression: Cvar variable not initialized. Empty string returned");
return "";
}
return cvar->string;
}
default:
Com_Printf("UI_GetStringFromExpression: Unsupported variable type: %i. Empty string returned", variable->type);
return "";
}
}
case EA_VALUE_STRING:
case EA_VALUE_STRING_WITHINJECTION:
{
const char* string = expression->d.terminal.d1.constString;
if (expression->type == EA_VALUE_STRING_WITHINJECTION)
string = UI_GenInjectedString(string, false, context);
return string;
}
case EA_VALUE_FLOAT:
{
const float number = expression->d.terminal.d1.number;
const int integer = number;
/** @todo should we add a delta? */
if (number == integer)
return va("%i", integer);
else
return va("%f", number);
}
case EA_VALUE_CVARNAME:
case EA_VALUE_CVARNAME_WITHINJECTION:
{
cvar_t *cvar = nullptr;
const char *cvarName = expression->d.terminal.d1.constString;
if (expression->type == EA_VALUE_CVARNAME_WITHINJECTION)
cvarName = UI_GenInjectedString(cvarName, false, context);
cvar = Cvar_Get(cvarName, "", 0, "Cvar from UI script expression");
return cvar->string;
}
case EA_VALUE_PATHPROPERTY:
case EA_VALUE_PATHPROPERTY_WITHINJECTION:
{
uiNode_t *node;
const value_t *property;
const char* string;
node = UI_GetNodeFromExpression(expression, context, &property);
if (!node) {
Com_Printf("UI_GetStringFromExpression: Node wasn't found; Empty string returned\n");
return "";
}
if (!property) {
Com_Printf("UI_GetStringFromExpression: Property wasn't found; Empty string returned\n");
return "";
}
string = UI_GetStringFromNodeProperty(node, property);
if (string == nullptr) {
Com_Printf("UI_GetStringFromExpression: String getter for '%s@%s' property do not exists; '' returned\n", UI_Node_GetWidgetName(node), property->string);
return "";
}
return string;
}
break;
case EA_VALUE_PARAM:
return UI_GetParam(context, expression->d.terminal.d1.integer);
case EA_VALUE_PARAMCOUNT:
return va("%i", UI_GetParamNumber(context));
}
break;
case EA_OPERATOR_UNARY:
switch (expression->type) {
case EA_OPERATOR_PATHPROPERTYFROM:
{
uiNode_t *node;
const value_t *property;
node = UI_GetNodeFromExpression(expression, context, &property);
return UI_GetStringFromNodeProperty(node, property);
}
default:
Com_Error(ERR_FATAL, "UI_GetFloatFromExpression: (EA_OPERATOR_UNARY) Invalid expression type %i", expression->type);
}
case EA_OPERATOR_BOOLEAN2BOOLEAN:
case EA_OPERATOR_FLOAT2BOOLEAN:
case EA_OPERATOR_STRING2BOOLEAN:
{
const bool v = UI_GetBooleanFromExpression(expression, context);
return (v)?"1":"0";
}
case EA_OPERATOR_FLOAT2FLOAT:
{
const float number = UI_GetFloatFromExpression(expression, context);
const int integer = number;
/** @todo should we add a delta? */
if (number == integer)
return va("%i", integer);
else
return va("%f", number);
}
}
Com_Printf("UI_GetStringFromExpression: Unsupported expression type: %i", expression->type);
return "";
}
