static void UI_AbstractNodeCallCreateChild (uiNode_t* node, const uiCallContext_t* context)
{
uiNode_t* child;
uiNode_t* component;
const char* name;
const char* type;
if (UI_GetParamNumber(context) != 2) {
Com_Printf("UI_AbstractNodeCallCreateChild: Invalid number of parameters\n");
return;
}
name = UI_GetParam(context, 1);
type = UI_GetParam(context, 2);
uiNode_t* existingNode = UI_GetNode(node, name);
if (existingNode != nullptr) {
Com_Printf("UI_AbstractNodeCallCreateChild: Node with name '%s' already exists\n", name);
}
component = UI_GetComponent(type);
if (component) {
child = UI_CloneNode(component, node->root, true, name, true);
} else {
child = UI_AllocNode(name, type, true);
}
if (child == nullptr) {
Com_Printf("UI_AbstractNodeCallCreateChild: Impossible to create the node\n");
return;
}
UI_AppendNode(node, child);
}
/**
* @brief Parse a component
* @sa CL_ParseClientData
* @code
* component panel componentName {
* }
* @endcode
*/
bool UI_ParseComponent (const char* type, const char* name, const char** text)
{
const char* errhead = "UI_ParseComponent: unexpected end of file (component";
const char* token;
if (!Q_streq(type, "component")) {
Com_Error(ERR_FATAL, "UI_ParseComponent: \"component\" expected but \"%s\" found.\n", type);
return false; /* never reached */
}
/* check the name */
if (!UI_TokenIsName(name, false)) {
Com_Printf("UI_ParseNode: \"%s\" is not a well formed node name ([a-zA-Z_][a-zA-Z0-9_]*)\n", name);
return false;
}
if (UI_TokenIsReserved(name)) {
Com_Printf("UI_ParseNode: \"%s\" is a reserved token, we can't call a node with it\n", name);
return false;
}
token = Com_EParse(text, errhead, "");
if (text == nullptr)
return false;
/* get keyword */
if (!Q_streq(token, "extends")) {
Com_Printf("UI_ParseComponent: \"extends\" expected but \"%s\" found (component %s)\n", token, name);
return false;
}
token = Com_EParse(text, errhead, "");
if (text == nullptr)
return false;
/* initialize component */
uiNode_t* component = nullptr;
const uiBehaviour_t* behaviour = UI_GetNodeBehaviour(token);
if (behaviour) {
/* initialize a new node from behaviour */
component = UI_AllocNode(name, behaviour->name, false);
} else {
const uiNode_t* inheritedComponent = UI_GetComponent(token);
if (inheritedComponent) {
/* initialize from a component */
component = UI_CloneNode(inheritedComponent, nullptr, true, name, false);
} else {
Com_Printf("UI_ParseComponent: node behaviour/component '%s' doesn't exists (component %s)\n", token, name);
return false;
}
}
/* get body */
token = Com_EParse(text, errhead, "");
if (!*text)
return false;
bool result = UI_ParseNodeBody(component, text, &token, errhead);
if (!result)
return false;
/* validate properties */
UI_Node_Loaded(component);
UI_InsertComponent(component);
return true;
}
/**
* @brief parse a node
* @sa UI_ParseNodeProperties
* @todo we can think about merging UI_ParseNodeProperties here
* @note first token already read
* @note dont read more than the need token (last right token is '}' of end of node)
*/
static uiNode_t* UI_ParseNode (uiNode_t* parent, const char** text, const char** token, const char* errhead)
{
uiNode_t* node = nullptr;
uiBehaviour_t* behaviour;
uiNode_t* component = nullptr;
/* get the behaviour */
behaviour = UI_GetNodeBehaviour(*token);
if (!behaviour) {
component = UI_GetComponent(*token);
}
if (behaviour == nullptr && component == nullptr) {
Com_Printf("UI_ParseNode: node behaviour/component '%s' doesn't exist (%s)\n", *token, UI_GetPath(parent));
return nullptr;
}
/* get the name */
*token = Com_EParse(text, errhead, "");
if (!*text)
return nullptr;
if (!UI_TokenIsName(*token, Com_GetType(text) == TT_QUOTED_WORD)) {
Com_Printf("UI_ParseNode: \"%s\" is not a well formed node name ([a-zA-Z_][a-zA-Z0-9_]*)\n", *token);
return nullptr;
}
if (UI_TokenIsReserved(*token)) {
Com_Printf("UI_ParseNode: \"%s\" is a reserved token, we can't call a node with it\n", *token);
return nullptr;
}
/* test if node already exists */
/* Already existing node should only come from inherited node, we should not have 2 definitions of the same node into the same window. */
if (parent)
node = UI_GetNode(parent, *token);
/* reuse a node */
if (node) {
const uiBehaviour_t* test = (behaviour != nullptr) ? behaviour : (component != nullptr) ? component->behaviour : nullptr;
if (node->behaviour != test) {
Com_Printf("UI_ParseNode: we can't change node type (node \"%s\")\n", UI_GetPath(node));
return nullptr;
}
Com_DPrintf(DEBUG_CLIENT, "... over-riding node %s\n", UI_GetPath(node));
/* else initialize a component */
} else if (component) {
node = UI_CloneNode(component, nullptr, true, *token, false);
if (parent) {
if (parent->root)
UI_UpdateRoot(node, parent->root);
UI_AppendNode(parent, node);
}
/* else initialize a new node */
} else {
node = UI_AllocNode(*token, behaviour->name, false);
node->parent = parent;
if (parent)
node->root = parent->root;
/** @todo move it into caller */
if (parent)
UI_AppendNode(parent, node);
}
/* get body */
const bool result = UI_ParseNodeBody(node, text, token, errhead);
if (!result)
return nullptr;
/* validate properties */
UI_Node_Loaded(node);
return node;
}
