WIP: reworked parsing
This commit is contained in:
parent
f01e882c28
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GPG Key ID:
95F65F55F682A17A
445
src/model.c
445
src/model.c
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@ -25,4 +25,449 @@
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#include "../include/arrows.h"
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#include "../include/scheduler.h"
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#define READ_SITE 1 << 0
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#define READ_WEIGHT 1 << 1
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#define READ_X 1 << 2
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#define READ_Y 1 << 3
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#define READ_Z 1 << 4
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#define SUCCESSFUL_READ_ARROW_X (READ_SITE | READ_WEIGHT | READ_X)
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#define SUCCESSFUL_READ_ARROW_XY (READ_SITE | READ_WEIGHT | READ_X | READ_Y)
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#define SUCCESSFUL_READ_ARROW_XYZ (READ_SITE | READ_WEIGHT | READ_X | READ_Y | READ_Z)
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static xmlDocPtr model;
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static xmlHashTablePtr model_hashtable;
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bool model_init(const char *content, size_t length, const char *basename)
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{
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xmlNode *node;
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/*
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* this initialize the library and check potential ABI mismatches
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* between the version it was compiled for and the actual shared
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* library used.
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*/
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LIBXML_TEST_VERSION
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model = xmlReadMemory(content, length, basename, NULL, 0);
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if (model == NULL ) {
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return false;
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}
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node = xmlDocGetRootElement(model);
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if (node == NULL) {
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g_printerr("Empty XML model !\n");
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xmlFreeDoc(model);
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return false;
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}
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if (xmlStrcmp(node->name, (xmlChar *) "gem-graph-model")) {
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g_printerr("document of the wrong type, root node != gem-graph-model\n");
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xmlFreeDoc(model);
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return false;
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}
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model_hashtable = xmlHashCreate(0);
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if (model_hashtable == NULL) {
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g_printerr("Can't create model hash table !\n");
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xmlFreeDoc(model);
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return false;
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}
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return true;
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}
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bool model_shutdown(void)
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{
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xmlFreeDoc(model);
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xmlHashFree(model_hashtable, NULL);
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// Cleanup function for the XML library
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xmlCleanupParser();
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// This is to debug memory for regression tests
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xmlMemoryDump();
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return true;
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}
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/******************************************************************************/
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static inline xmlNodePtr getNextChild(xmlNodePtr node, xmlChar *last)
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{
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while (node != NULL && xmlStrcmp(node->name, last)) {
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// //printf(" <>--- line n°%lu <%s>\n", xmlGetLineNo(node), node->name);
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node = node->next;
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}
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return node;
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}
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static inline xmlChar* splitStrAtSlash(xmlChar *toSplit)
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{
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toSplit = (xmlChar *)xmlStrchr(toSplit, '/');
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toSplit = xmlStrsub (toSplit, 1, xmlStrlen(toSplit));
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return toSplit;
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}
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static inline xmlChar* getFirstTag(xmlChar *path)
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{
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xmlChar *preop = path;
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path = (xmlChar *)xmlStrchr(path, '/');
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path = xmlStrsub (path, 1, xmlStrlen(path));
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//printf("%s = %s + / + %s\n", preop,\
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xmlStrsub (preop, 0, xmlStrlen(preop) - xmlStrlen(path) - 1), path);
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return xmlStrsub (preop, 0, xmlStrlen(preop) - xmlStrlen(path) - 1);
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}
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static inline xmlChar* getLastTag(xmlChar *path)
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{
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while ((ulong)xmlStrchr (path, '/'))
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path = splitStrAtSlash((xmlChar *)path);
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// //printf("last tag in the path = <%s>\n", path);
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return path; // which is no more the given path but only its last tag !
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}
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/******************************************************************************/
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static xmlNodePtr model_get_node(xmlChar *path)
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{
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xmlNodePtr node;
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xmlChar *extrait;
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xmlChar *reste, *last, *affich;
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// Lookup for node from path in hash table
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node = xmlHashLookup(model_hashtable, path);
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// Found a node in hash table
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if (node) {
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return node;
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// no node found in hash table
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} else {
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reste = path;
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affich = reste;
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last = getLastTag(reste);
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node = xmlDocGetRootElement(model);
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while (xmlStrchr (reste, '/')) {
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extrait = getFirstTag(reste);
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reste = splitStrAtSlash((xmlChar *)reste);
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node = node->xmlChildrenNode;
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node = getNextChild(node, extrait);
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}
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if(node && xmlStrcmp(node->name, last)) {
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node = node->xmlChildrenNode;
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while (node && xmlStrcmp(node->name, last)) {
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node = node->next;
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}
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xmlHashAddEntry (model_hashtable, path, node);
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}
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return node;
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}
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return NULL;
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}
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/******************************************************************************/
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static inline long model_get_node_long_attrib(xmlNodePtr node, char *id)
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{
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xmlAttr *attribute;
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xmlChar* value;
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long ret_value;
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if (node && node->properties) {
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attribute = node->properties;
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while(attribute && attribute->name && attribute->children) {
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if (!xmlStrcmp(attribute->name, (const xmlChar *)id)) {
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value = xmlNodeListGetString(node->doc, attribute->children, 1);
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ret_value = strtol((char *)value, NULL, 0);
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xmlFree(value);
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return ret_value;
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}
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attribute = attribute->next;
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}
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}
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return 0;
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}
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static inline bool model_get_node_str_attrib(xmlNodePtr node,
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char *id,
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char *dest)
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{
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xmlAttr *attribute;
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xmlChar* value;
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if (node && node->properties) {
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attribute = node->properties;
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while(attribute && attribute->name && attribute->children) {
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if (!xmlStrcmp(attribute->name, (const xmlChar *)id)) {
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value = xmlNodeListGetString(node->doc, attribute->children, 1);
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strcpy(dest, value);
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xmlFree(value);
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return true;
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}
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attribute = attribute->next;
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}
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}
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return false;
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}
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/******************************************************************************/
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char model_get_dim(void)
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{
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xmlAttr *attribute;
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xmlChar* value;
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xmlNodePtr node = model_get_node(
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(xmlChar *)"parameters/space-param/dimension");
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if (xmlHasProp (node, (xmlChar *) "z")) return 3;
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if (xmlHasProp (node, (xmlChar *) "y")) return 2;
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if (xmlHasProp (node, (xmlChar *) "x")) return 1;
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return 0;
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}
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long model_get_dim_value(const char *axis)
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{
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xmlAttr *attribute;
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xmlChar *value;
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long ret_value;
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xmlNodePtr node = model_get_node(
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(xmlChar *)"parameters/space-param/dimension");
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return model_get_node_long_attrib(node, axis);
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}
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char model_get_multiplicity(void)
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{
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xmlAttr *attribute;
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xmlChar* value;
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xmlNodePtr node = model_get_node(
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(xmlChar *)"parameters/space-param/site_multiplicity");
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if (node->children)
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if (node->children->content)
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return (char)strtol((char *)node->children->content, NULL, 0);
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return 0;
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}
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bool model_get_next_state(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((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(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((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 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((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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@ -1,27 +0,0 @@
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//=-------------------------------------------------------------------------=//
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// XML parsing module //
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// //
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// Copyright © 2021 Libre en Communs (contact@a-lec.org) //
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// Copyright © 2021 Adrien Bourmault (neox@a-lec.org) //
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// //
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// This file is part of gem-graph. //
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// //
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// This program is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU Affero General Public License as //
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// published by the Free Software Foundation, either version 3 of the //
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// License, or (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU Affero General Public License for more details. //
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// //
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// You should have received a copy of the GNU Affero General Public License //
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// along with this program. If not, see <https://www.gnu.org/licenses/>. //
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//=-------------------------------------------------------------------------=//
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#include "../include/parsing.h"
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#include "../include/arrows.h"
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#include "../include/model.h"
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