src/model.c: iteration on siblings of a given node
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95F65F55F682A17A
407
src/model.c
407
src/model.c
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@ -202,6 +202,38 @@ xmlNodePtr model_copy_node(struct model_t *self,
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return copiedNode;
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}
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/**
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* Iterates over all sibling nodes of a given node, typically used to process
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* each child of a specific parent node.
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*
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* This function takes a starting node (expected to be a parent node like <states>)
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* and iterates through all of its child nodes.
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* It calls a user-provided callback function for each child node that is an
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* element node (ignores text and other types of nodes).
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*
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* @param node The starting node whose siblings (children) will be iterated
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* over. This node is not processed by the callback, only its siblings are.
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* @param processNode A callback function that will be called for each sibling
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* node. This function should have a signature of
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* void functionName(xmlNodePtr node, void* userData), where
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* 'node' is the current sibling element node, and
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* 'userData' is a pointer to user-defined data passed
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* through iterateSiblings.
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* @param userData A void pointer to user-defined data. This can be used to pass
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* additional information to the callback function. It is passed
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* directly through to the callback function as its second argument.
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*/
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void model_iterate_node(xmlNodePtr node,
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void (*processNode)(xmlNodePtr node, void* userData), void* userData)
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{
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for (xmlNodePtr curNode = node->children; curNode; curNode = curNode->next) {
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if (curNode->type == XML_ELEMENT_NODE) {
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processNode (curNode, userData);
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}
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}
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}
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/* -------------------------------------------------------------------------- */
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char model_get_dim (struct model_t *self)
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@ -242,381 +274,6 @@ char model_get_multiplicity (struct model_t *self)
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return 0;
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}
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bool model_get_next_state (struct model_t *self, char *new_state_id)
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{
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static xmlNodePtr cur_node = NULL;
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xmlAttr *attribute;
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xmlChar *value;
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if (cur_node == NULL) {
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// Get first state
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cur_node = model_get_node(self, (xmlChar *)"savedstates/state");
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} else {
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// Get next state
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if (cur_node->next)
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cur_node = cur_node->next;
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else
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return false;
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}
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// Lookup in properties
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if (model_get_node_str_attrib(cur_node, "id", new_state_id))
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return true;
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cur_node = NULL;
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return false;
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}
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long model_get_state_arrows_count (struct model_t *self, const char *state_id)
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{
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xmlNodePtr cur_node = NULL;
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xmlAttr *attribute;
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long value = 0;
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bool found = false;
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char temp_char[25];
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uint check = 0; // bit field checker
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//printf("NEW CALL : cur_node = %p\n", cur_node);
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assert(state_id);
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// Get first state node
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cur_node = model_get_node(self, (xmlChar *)"savedstates/state");
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// Lookup in properties
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while (cur_node && cur_node->properties) {
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attribute = cur_node->properties;
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// Look for the id attribute
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if (model_get_node_str_attrib(cur_node, "id", &temp_char)) {
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if (!xmlStrcmp(temp_char, (const xmlChar *)state_id)) {
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found = true;
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break;
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}
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}
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cur_node = cur_node->next;
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}
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// Check if the state has been found
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if (!found) {
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cur_node = NULL;
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return -1;
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}
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// Count arrows
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if (cur_node->children) {
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cur_node = cur_node->children;
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while (cur_node) {
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if (!xmlStrcmp(cur_node->name, (const xmlChar *)"arrow"))
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value++;
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cur_node = cur_node->next;
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}
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} else {
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return -1;
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}
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return value;
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}
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bool model_get_next_arrow (struct model_t *self,
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struct arrow_t *new_arrow,
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const char *state_id,
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char dimension)
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{
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static xmlNodePtr cur_node = NULL;
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xmlAttr *attribute;
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xmlChar *value;
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bool found = false;
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char temp_char[25];
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uint check = 0; // bit field checker
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//printf("NEW CALL : cur_node = %p\n", cur_node);
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assert(new_arrow);
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assert(state_id);
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if (cur_node == NULL) {
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// Get first state node
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cur_node = model_get_node(self, (xmlChar *)"savedstates/state");
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// Lookup in properties
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while (cur_node && cur_node->properties) {
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attribute = cur_node->properties;
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// Look for the id attribute
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if (model_get_node_str_attrib(cur_node, "id", &temp_char)) {
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if (!xmlStrcmp(temp_char, (const xmlChar *)state_id)) {
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found = true;
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break;
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}
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}
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cur_node = cur_node->next;
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}
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// Check if the state has been found
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if (!found) {
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cur_node = NULL;
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return false;
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}
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// Get first arrow
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if (cur_node->children) {
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cur_node = cur_node->children;
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found = false;
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while (cur_node && cur_node->name) {
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if (!xmlStrcmp(cur_node->name, (const xmlChar *)"arrow")) {
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found = true;
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break;
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}
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cur_node = cur_node->next;
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}
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}
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// Check if the state has been found
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if (!found) {
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cur_node = NULL;
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return false;
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}
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} else {
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// Get next arrow
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found = false;
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while (cur_node->next) {
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cur_node = cur_node->next;
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if (!xmlStrcmp(cur_node->name, (const xmlChar *)"arrow")) {
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found = true;
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break;
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}
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}
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// Check if the state has been found
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if (!found) {
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cur_node = NULL;
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return false;
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}
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}
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//printf("DURING CALL : cur_node = %p\n", cur_node);
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//printf("DURING CALL : cur_node->name = %s\n", cur_node->name);
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// Lookup in properties
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if (cur_node && cur_node->properties) {
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attribute = cur_node->properties;
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while(attribute && attribute->name && attribute->children) {
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//printf("attr name : %s\n", attribute->name);
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if (!xmlStrcmp(attribute->name, (const xmlChar *)"site")) {
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value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
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new_arrow->site = strtol((char *)value, NULL, 0);
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xmlFree(value);
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check |= READ_SITE;
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}
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if (!xmlStrcmp(attribute->name, (const xmlChar *)"weight")) {
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value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
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new_arrow->load = strtol((char *)value, NULL, 0);
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xmlFree(value);
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check |= READ_WEIGHT;
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}
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if (!xmlStrcmp(attribute->name, (const xmlChar *)"x")) {
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value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
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new_arrow->x = strtol((char *)value, NULL, 0);
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xmlFree(value);
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check |= READ_X;
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}
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if (!xmlStrcmp(attribute->name, (const xmlChar *)"y")) {
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value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
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new_arrow->y = strtol((char *)value, NULL, 0);
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xmlFree(value);
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check |= READ_Y;
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}
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if (!xmlStrcmp(attribute->name, (const xmlChar *)"z")) {
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value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
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new_arrow->z = strtol((char *)value, NULL, 0);
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xmlFree(value);
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check |= READ_Z;
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}
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attribute = attribute->next;
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}
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switch(dimension) {
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case 3:
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return (bool)(check & SUCCESSFUL_READ_ARROW_XYZ);
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case 2:
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return (bool)(check & SUCCESSFUL_READ_ARROW_XY);
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case 1:
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return (bool)(check & SUCCESSFUL_READ_ARROW_X);
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}
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}
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cur_node = NULL;
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return false;
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}
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bool model_get_next_conditions (struct model_t *self, char *new_cond_id)
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{
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static xmlNodePtr cur_node = NULL;
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xmlAttr *attribute;
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xmlChar *value;
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printlog("NEW CALL : cur_node = %p\n", cur_node);
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if (cur_node == NULL) {
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// Get first state
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cur_node = model_get_node(self, (xmlChar *)"conditions");
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} else {
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// Get next state
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if (cur_node->next)
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cur_node = cur_node->next;
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else
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return false;
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}
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printlog("END CALL : cur_node = %p\n", cur_node);
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// Lookup in properties
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if (model_get_node_str_attrib(cur_node, "id", new_cond_id))
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return true;
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cur_node = NULL;
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return false;
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}
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bool model_get_next_condition (struct model_t *self,
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struct condition_t *new_condition,
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const char *cond_id,
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char dimension)
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{
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static xmlNodePtr cur_node = NULL;
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xmlAttr *attribute;
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xmlChar *value;
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bool found = false;
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char temp_char[25];
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uint check = 0; // bit field checker
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printlog("NEW CALL : cur_node = %p\n", cur_node);
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assert(new_condition);
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assert(cond_id);
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if (cur_node == NULL) {
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// Get first state node
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cur_node = model_get_node(self, (xmlChar *)"conditions");
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// Lookup in properties
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while (cur_node && cur_node->properties) {
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attribute = cur_node->properties;
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// Look for the id attribute
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if (model_get_node_str_attrib(cur_node, "id", &temp_char)) {
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if (!xmlStrcmp(temp_char, (const xmlChar *)cond_id)) {
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found = true;
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break;
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}
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}
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cur_node = cur_node->next;
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}
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// Check if the state has been found
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if (!found) {
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cur_node = NULL;
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return false;
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}
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// Get first arrow
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if (cur_node->children) {
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cur_node = cur_node->children;
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found = false;
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while (cur_node && cur_node->name) {
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if (!xmlStrcmp(cur_node->name, (const xmlChar *)"arrow")) {
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found = true;
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break;
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}
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cur_node = cur_node->next;
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}
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}
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// Check if the state has been found
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if (!found) {
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cur_node = NULL;
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return false;
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}
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} else {
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// Get next condition
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found = false;
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while (cur_node->next) {
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cur_node = cur_node->next;
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if (!xmlStrcmp(cur_node->name, (const xmlChar *)"arrow")) {
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found = true;
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break;
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}
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}
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// Check if the state has been found
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if (!found) {
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cur_node = NULL;
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return false;
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}
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}
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printlog("DURING CALL : cur_node = %p\n", cur_node);
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printlog("DURING CALL : cur_node->name = %s\n", cur_node->name);
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// Lookup in properties
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if (cur_node && cur_node->properties) {
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attribute = cur_node->properties;
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while(attribute && attribute->name && attribute->children) {
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//printf("attr name : %s\n", attribute->name);
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if (!xmlStrcmp(attribute->name, (const xmlChar *)"site")) {
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value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
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new_condition->site = strtol((char *)value, NULL, 0);
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xmlFree(value);
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check |= READ_SITE;
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}
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if (!xmlStrcmp(attribute->name, (const xmlChar *)"weight")) {
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value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
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new_condition->load = strtol((char *)value, NULL, 0);
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xmlFree(value);
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check |= READ_WEIGHT;
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}
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if (!xmlStrcmp(attribute->name, (const xmlChar *)"x")) {
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value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
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new_condition->x = strtol((char *)value, NULL, 0);
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xmlFree(value);
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check |= READ_X;
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}
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if (!xmlStrcmp(attribute->name, (const xmlChar *)"y")) {
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value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
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new_condition->y = strtol((char *)value, NULL, 0);
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xmlFree(value);
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check |= READ_Y;
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}
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if (!xmlStrcmp(attribute->name, (const xmlChar *)"z")) {
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value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
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new_condition->z = strtol((char *)value, NULL, 0);
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xmlFree(value);
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check |= READ_Z;
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}
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attribute = attribute->next;
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}
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switch(dimension) {
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case 3:
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return (bool)(check & SUCCESSFUL_READ_ARROW_XYZ);
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case 2:
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return (bool)(check & SUCCESSFUL_READ_ARROW_XY);
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case 1:
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return (bool)(check & SUCCESSFUL_READ_ARROW_X);
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}
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}
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cur_node = NULL;
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return false;
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}
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/* -------------------------------------------------------------------------- */
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static bool model_init(struct model_t *self)
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