src/graphics, src/parsing: drawing model initial state

data/models/dimers random walk.xml

@@ -55,12 +55,12 @@
 
     <savedstates id="texte" date="1630000000" author="Qui courrait dans l'herbe'">
         <state id="initial" date="1630000000" author="Une souris verte">
-            <arrow site="1" weight="1" x="0"/>
+            <arrow site="0" weight="1" x="0"/>
-            <arrow site="2" weight="1" x="1"/>
+            <arrow site="1" weight="1" x="1"/>
-            <arrow site="1" weight="1" x="10"/>
+            <arrow site="0" weight="1" x="10"/>
-            <arrow site="2" weight="1" x="11"/>
+            <arrow site="1" weight="1" x="11"/>
-            <arrow site="1" weight="1" x="20"/>
+            <arrow site="0" weight="1" x="20"/>
-            <arrow site="2" weight="1" x="21"/>
+            <arrow site="1" weight="1" x="21"/>
 
           <!-- Three dimers 1-1 are drawn in the global space
                at locations (0,1) (10,11) and (20,21) -->

include/base.h

@@ -58,6 +58,17 @@ enum
     N_MODE
 };
 
+/*
+ * Structure describing an arrow
+ */
+struct arrow_t {
+    uint load;
+    uint site;
+    uint x;
+    uint y;
+    uint z;
+};
+
 /*
  * Read a file from filename into a provided buffer
  *

include/graphics.h

@@ -255,17 +255,6 @@ static inline void print_stack(int stack_id)
 
 void graphics_model_setup (const int stack_id);
 
-/*
- * Structure describing an arrow
- */
-struct arrow_t {
-    GLuint load;
-    GLuint site;
-    GLuint x;
-    GLuint y;
-    GLuint z;
-};
-
 int draw_one_arrow_vertex (const int stack_id,
                            int space_X,
                            int space_Y,

include/parsing.h

@@ -33,4 +33,7 @@ bool model_shutdown(void);
 char model_get_dim(void);
 long model_get_dim_value(const char *axis);
 char model_get_multiplicity(void);
-
+bool model_get_next_state(char *new_state_id);
+bool model_get_next_arrow(struct arrow_t *new_arrow,
+                          const char *state_id,
+                          char dimension);

src/graphics/graphics.c

@@ -239,6 +239,7 @@ void graphics_model_setup (const int stack_id)
     long space_X;
     long space_Y;
     long space_Z;
+    long announced_arrows_nb;
     int density_max;
     char multiplicity;
 
@@ -283,12 +284,12 @@ void graphics_model_setup (const int stack_id)
 
     /*------------------------------------------------------------------------*/
 
-    /* draw_space_ridges_vertex (stack_id, stack->buffer_vertex_size, */
+    draw_space_ridges_vertex (stack_id, stack->buffer_vertex_size,
-    /*                           space_X, space_Y, space_Z); */
+                              space_X, space_Y, space_Z);
-    /* draw_space_ridges_lines (stack_id); */
+    draw_space_ridges_lines (stack_id);
-    /* draw_grids_on_space_faces_vertex (stack_id, space_X, space_Y, space_Z); */
+    draw_grids_on_space_faces_vertex (stack_id, space_X, space_Y, space_Z);
-    /* draw_grids_on_space_faces_lines (stack_id, stack->buffer_lines_size, */
+    draw_grids_on_space_faces_lines (stack_id, stack->buffer_lines_size,
-    /*                                  space_X, space_Y, space_Z); */
+                                     space_X, space_Y, space_Z);
 
     stack->buffer_vertex_0_arrow = stack->buffer_vertex_size;
     stack->buffer_colors_0_arrow = stack->buffer_colors_size;
@@ -300,15 +301,28 @@ void graphics_model_setup (const int stack_id)
 
     /*------------------------------------------------------------------------*/
 
+    char state_id[30] = {0};
+    struct arrow_t arrow = {0};
 
-    for (int i = 0; i < density_max; i++) {
+    assert(model_get_next_state(&state_id));
+
+    g_print("[GRAPH DEBUG] first state is = %s\n", state_id);
+
+    announced_arrows_nb = model_get_state_arrows_count(state_id);
+
+    g_print("[GRAPH DEBUG] announced_arrows_nb is = %ld\n", announced_arrows_nb);
+
+    while (model_get_next_arrow(&arrow, &state_id, dimension)) {
+        g_print("[GRAPH DEBUG] cur arrow has x = %d\n", arrow.x);
         stack->arrows_nb =
             set_arrow (stack_id, stack->arrows_nb, space_X, space_Y, space_Z,
-                               1,                   //    load
+                               arrow.load,                   //    load
-                               rand() % 6,          //    site
+                               arrow.site,          //    site
-                               rand() % space_X,    //    x
+                               arrow.x,    //    x
-                               rand() % space_Y,    //    y
+                               arrow.y,    //    y
-                               rand() % space_Z);   //    z
+                               arrow.z);   //    z
     }
-}
 
+    if (stack->arrows_nb != announced_arrows_nb)
+        g_printerr("ARGH : all the arrows have not been parsed !\n");
+}

src/parsing/parsing.c

@@ -35,6 +35,15 @@
 
 #include "../../include/base.h"
 
+#define READ_SITE 1 << 0
+#define READ_WEIGHT 1 << 1
+#define READ_X 1 << 2
+#define READ_Y 1 << 3
+#define READ_Z 1 << 4
+#define SUCCESSFUL_READ_ARROW_X (READ_SITE | READ_WEIGHT | READ_X)
+#define SUCCESSFUL_READ_ARROW_XY (READ_SITE | READ_WEIGHT | READ_X | READ_Y)
+#define SUCCESSFUL_READ_ARROW_XYZ (READ_SITE | READ_WEIGHT | READ_X | READ_Y | READ_Z)
+
 static xmlDocPtr model;
 static xmlHashTablePtr model_hashtable;
 
@@ -99,7 +108,7 @@ bool model_shutdown(void)
 static inline xmlNodePtr getNextChild(xmlNodePtr node, xmlChar *last)
 {
     while (node != NULL && xmlStrcmp(node->name, last)) {
-        // printf("   <>--- line n°%lu   <%s>\n", xmlGetLineNo(node), node->name);
+        // //printf("   <>--- line n°%lu   <%s>\n", xmlGetLineNo(node), node->name);
         node = node->next;
     }
     return node;
@@ -118,7 +127,7 @@ static inline xmlChar* getFirstTag(xmlChar *path)
     path = (xmlChar *)xmlStrchr(path, '/');
     path = xmlStrsub (path, 1, xmlStrlen(path));
 
-    printf("%s = %s + / + %s\n", preop,\
+    //printf("%s = %s + / + %s\n", preop,\
     xmlStrsub (preop, 0, xmlStrlen(preop) - xmlStrlen(path) - 1), path);
 
     return  xmlStrsub (preop, 0, xmlStrlen(preop) - xmlStrlen(path) - 1);
@@ -129,7 +138,7 @@ static inline xmlChar* getLastTag(xmlChar *path)
     while ((ulong)xmlStrchr (path, '/'))
         path = splitStrAtSlash((xmlChar *)path);
 
-    // printf("last tag in the path = <%s>\n", path);
+    // //printf("last tag in the path = <%s>\n", path);
     return path; // which is no more the given path but only its last tag !
 }
 
@@ -178,52 +187,51 @@ static xmlNodePtr model_get_node(xmlChar *path)
     return NULL;
 }
 
-/******************************************************************************/
-/******************************************************************************/         
 /******************************************************************************/         
 
-static long model_get_node_attrib(xmlNodePtr node)
+static inline long model_get_node_long_attrib(xmlNodePtr node, char *id)
 {
-    long value = 0;
+    xmlAttr *attribute;
+    xmlChar* value;
+    long ret_value;
 
     if (node && node->properties) {
-        xmlAttr* attribute = node->properties;
+        attribute = node->properties;
-        xmlChar* value_txt = NULL;
-        char *ptr;
-
         while(attribute && attribute->name && attribute->children) {
-            value_txt = xmlNodeListGetString(node->doc, attribute->children, 1);
+            if (!xmlStrcmp(attribute->name, (const xmlChar *)id)) {
-            value = strtol((char *)value_txt, &ptr, 10);
+                value = xmlNodeListGetString(node->doc, attribute->children, 1);
-            printf ("model_get_node_attrib <%s> = %s = %ld\n",\
+                ret_value = strtol((char *)value, NULL, 0);
-                                 attribute->name, value_txt, value);
+                xmlFree(value);
+                return ret_value;
+            }
             attribute = attribute->next;
         }
     }
-    return value;
+    return 0;
 }
 
-static long model_get_state_arrows_nb(xmlNodePtr node)
+static inline bool model_get_node_str_attrib(xmlNodePtr node,
+                                             char *id,
+                                             char *dest)
 {
-    long arrows_nb= 0;
+    xmlAttr *attribute;
-    printf ("VRB0   model_get_state_arrows_nb <%s> start at line %ld\n",
+    xmlChar* value;
-            node->name, xmlGetLineNo(node));
 
-    while (node && node->next) {
+    if (node && node->properties) {
-        printf ("%s  %ld >", (xmlChar *)node->name, arrows_nb);
+        attribute = node->properties;
-        if (!xmlStrcmp(node->name, (xmlChar *)"arrow")) ++arrows_nb;
+        while(attribute && attribute->name && attribute->children) {
-        printf (" %ld  ", arrows_nb);
+            if (!xmlStrcmp(attribute->name, (const xmlChar *)id)) {
-        node = node->next;
+                value = xmlNodeListGetString(node->doc, attribute->children, 1);
+                strcpy(dest, value);
+                xmlFree(value);
+                return true;
             }
-
+            attribute = attribute->next;
-    printf ("\n");
+        }
-    printf ("VRB0   model_get_state_arrows_nb = %ld     end   at line %ld\n",
+    }
-            arrows_nb, xmlGetLineNo(node));
+    return false;
-
-    return arrows_nb;
 }
 
-/******************************************************************************/
-/******************************************************************************/         
 /******************************************************************************/
 
 char model_get_dim(void)
@@ -247,20 +255,7 @@ long model_get_dim_value(const char *axis)
     xmlNodePtr node = model_get_node(
                         (xmlChar *)"parameters/space-param/dimension");
 
-    if (node && node->properties) {
+    return model_get_node_long_attrib(node, axis);
-        attribute = node->properties;
-
-        while(attribute && attribute->name && attribute->children) {
-            if (!xmlStrcmp(attribute->name, (const xmlChar *)axis)) {
-                value = xmlNodeListGetString(node->doc, attribute->children, 1);
-                ret_value = strtol((char *)value, NULL, 0);
-                xmlFree(value);
-                return ret_value;
-            }
-            attribute = attribute->next;
-        }
-    }
-    return 0;
 }
 
 char model_get_multiplicity(void)
@@ -277,132 +272,212 @@ char model_get_multiplicity(void)
     return 0;
 }
 
-char model_get_condition(void)
+bool model_get_next_state(char *new_state_id)
 {
+    static xmlNodePtr cur_node = NULL;
     xmlAttr *attribute;
-    xmlChar* value;
+    xmlChar *value;
-    xmlNodePtr node = model_get_node(
-                        (xmlChar *)"parameters/space-param/dimension");
 
-    if (xmlHasProp (node, (xmlChar *) "z")) return 3;
+    if (cur_node == NULL) {
-    if (xmlHasProp (node, (xmlChar *) "y")) return 2;
+        // Get first state
-    if (xmlHasProp (node, (xmlChar *) "x")) return 1;
+        cur_node = model_get_node((xmlChar *)"savedstates/state");
-    return 0;
-}
 
-char model_get_cond_tree (xmlChar *path)
+    } else {
-{
+        // Get next state
-    xmlNodePtr node = model_get_node(path);
+        if (cur_node->next)
-    node = node->xmlChildrenNode;
+            cur_node = cur_node->next;
-    node = getNextChild(node, (xmlChar *)"condition");
+        else
-    node = xmlCopyNodeList (node->xmlChildrenNode);
+            return false;
-    printf("model_get_cond_tree(\"%s\")  >  line n°%ld\n", path, xmlGetLineNo(node));
-    return 0;
-}
-
-int model_get_cond (xmlChar *path,  xmlChar *node_id)
-{
-    xmlNodePtr node = model_get_node(path);
-    printf("model_get_cond(...) {...node->name = %s...}\n", node->name);
-    node = getNextChild(node->next, (xmlChar *)"condition");
-    node = getNextChild(node->next, (xmlChar *)"condition");
-
-    if (xmlHasProp (node, (xmlChar *) "site")) {
-        printf("   node %s has attribute site\n", node->name);
     }
 
-    if (xmlHasProp (node, (xmlChar *) "node_id")) {
+    // Lookup in properties
-        printf("   node %s has attribute %s with value %hhn %s %s\n",
+    if (model_get_node_str_attrib(cur_node, "id", new_state_id))
-                node->name,
+        return true;
-                xmlHasProp (node, (xmlChar *) "node_id")->name,
+
-                xmlGetProp (node, (xmlChar *) "node_id"),
+    cur_node = NULL;
-                (xmlChar *)"?! xmlGetProp is deprecated !",
+    return false;
-                (xmlChar *)"");
+}
+
+long model_get_state_arrows_count(const char *state_id)
+{
+    xmlNodePtr cur_node = NULL;
+    xmlAttr *attribute;
+    long value = 0;
+    bool found = false;
+    char temp_char[25];
+    uint check = 0; // bit field checker
+
+    //printf("NEW CALL : cur_node = %p\n", cur_node);
+
+    assert(state_id);
+
+    // Get first state node
+    cur_node = model_get_node((xmlChar *)"savedstates/state");
+
+    // Lookup in properties
+    while (cur_node && cur_node->properties) {
+        attribute = cur_node->properties;
+
+        // Look for the id attribute
+        if (model_get_node_str_attrib(cur_node, "id", &temp_char)) {
+            if (!xmlStrcmp(temp_char, (const xmlChar *)state_id)) {
+                found = true;
+                break;
             }
-    node = getNextChild(node->next, (xmlChar *)"condition");
+        }
-    return 0;
+        cur_node = cur_node->next;
+    }
+
+    // Check if the state has been found
+    if (!found) {
+        cur_node = NULL;
+        return -1;
+    }
+
+
+    // Count arrows
+    if (cur_node->children) {
+        cur_node = cur_node->children;
+        while (cur_node) {
+            if (!xmlStrcmp(cur_node->name, (const xmlChar *)"arrow"))
+                value++;
+            cur_node = cur_node->next;
+        }
+    } else {
+        return -1;
+    }
+    return value;
 }
 
-int model_get_objects_list(xmlChar *path)
+bool model_get_next_arrow(struct arrow_t *new_arrow,
+                          const char *state_id,
+                          char dimension)
 {
-    return xmlGetLineNo(model_get_node(path));
+    static xmlNodePtr cur_node = NULL;
+    xmlAttr *attribute;
+    xmlChar *value;
+    bool found = false;
+    char temp_char[25];
+    uint check = 0; // bit field checker
+
+    //printf("NEW CALL : cur_node = %p\n", cur_node);
+
+    assert(new_arrow);
+    assert(state_id);
+
+    if (cur_node == NULL) {
+        // Get first state node
+        cur_node = model_get_node((xmlChar *)"savedstates/state");
+
+        // Lookup in properties
+        while (cur_node && cur_node->properties) {
+            attribute = cur_node->properties;
+
+            // Look for the id attribute
+            if (model_get_node_str_attrib(cur_node, "id", &temp_char)) {
+                if (!xmlStrcmp(temp_char, (const xmlChar *)state_id)) {
+                    found = true;
+                    break;
+                }
+            }
+            cur_node = cur_node->next;
+        }
+
+        // Check if the state has been found
+        if (!found) {
+            cur_node = NULL;
+            return false;
+        }
+
+        // Get first arrow
+        if (cur_node->children) {
+            cur_node = cur_node->children;
+
+            found = false;
+            while (cur_node && cur_node->name) {
+                if (!xmlStrcmp(cur_node->name, (const xmlChar *)"arrow")) {
+                    found = true;
+                    break;
+                }
+                cur_node = cur_node->next;
+            }
+        }
+
+        // Check if the state has been found
+        if (!found) {
+            cur_node = NULL;
+            return false;
+        }
+
+    } else {
+        // Get next arrow
+        found = false;
+        while (cur_node->next) {
+            cur_node = cur_node->next;
+            if (!xmlStrcmp(cur_node->name, (const xmlChar *)"arrow")) {
+                found = true;
+                break;
+            }
+        }
+
+        // Check if the state has been found
+        if (!found) {
+            cur_node = NULL;
+            return false;
+        }
+    }
+
+    //printf("DURING CALL : cur_node = %p\n", cur_node);
+    //printf("DURING CALL : cur_node->name = %s\n", cur_node->name);
+
+    // Lookup in properties
+    if (cur_node && cur_node->properties) {
+        attribute = cur_node->properties;
+
+        while(attribute && attribute->name && attribute->children) {
+            //printf("attr name : %s\n", attribute->name);
+            if (!xmlStrcmp(attribute->name, (const xmlChar *)"site")) {
+                value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
+                new_arrow->site = strtol((char *)value, NULL, 0);
+                xmlFree(value);
+                check |= READ_SITE;
+            }
+            if (!xmlStrcmp(attribute->name, (const xmlChar *)"weight")) {
+                value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
+                new_arrow->load = strtol((char *)value, NULL, 0);
+                xmlFree(value);
+                check |= READ_WEIGHT;
+            }
+            if (!xmlStrcmp(attribute->name, (const xmlChar *)"x")) {
+                value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
+                new_arrow->x = strtol((char *)value, NULL, 0);
+                xmlFree(value);
+                check |= READ_X;
+            }
+            if (!xmlStrcmp(attribute->name, (const xmlChar *)"y")) {
+                value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
+                new_arrow->y = strtol((char *)value, NULL, 0);
+                xmlFree(value);
+                check |= READ_Y;
+            }
+            if (!xmlStrcmp(attribute->name, (const xmlChar *)"z")) {
+                value = xmlNodeListGetString(cur_node->doc, attribute->children, 1);
+                new_arrow->z = strtol((char *)value, NULL, 0);
+                xmlFree(value);
+                check |= READ_Z;
+            }
+            attribute = attribute->next;
+        }
+
+        switch(dimension) {
+        case 3:
+            return (bool)(check & SUCCESSFUL_READ_ARROW_XYZ);
+        case 2:
+            return (bool)(check & SUCCESSFUL_READ_ARROW_XY);
+        case 1:
+            return (bool)(check & SUCCESSFUL_READ_ARROW_X);
+        }
+    }
+    cur_node = NULL;
+    return false;
 }
-
-xmlChar *model_get_states_list(xmlChar *path)
-{
-    xmlNodePtr node = model_get_node(path);
-    return (xmlChar *)xmlNodeGetContent(node);
-}
-              
-/* long model_get_state_arrows_count(xmlChar *path, long n) */
-/* { */
-/*     // Ici, je sais que c'est le 'PREMIER' état qui est demandé car n == 0 */
-/*     char compl[] = "/state/arrow"; */
-/*     char *new_p = calloc(1, (sizeof(compl) + strlen((char *)path)) * sizeof(char)); */
-/*     strcat(new_p, (char *)path); */
-/*     strcat(new_p + strlen((char *)path), compl);  //  printf("%s\n", new_p); */
-
-/*     xmlNodePtr node = model_get_node((xmlChar *)new_p); */
-/*     long size = model_get_state_arrows_nb(node); */
-/*     int dim = model_get_dim((xmlChar *)"parameters/space-param/dimension"); */
-/*     printf("VRB0   model_get_saved_state(size = %ld)->%p<-attrib  dim = %d  size = %ld\n",\ */
-/*          size, (xmlNodePtr)model_get_node_attrib(node), dim, size * ( 2 + dim ) * sizeof(int)); */
-
-/*     int c = 0; */
-/*     int *t = calloc(1, (size * ( 2 + dim ) * sizeof(int))); */
-/*     //  int rk = 0; */
-/*     //  int *s = calloc(1, ( 2 + dim ) * sizeof(int)); */
-
-/*     if(1) */
-/*     { */
-/*     long arrows_nb= 0; */
-/*     printf ("VRB4   model_get_state_arrows_nb <%s> start at line %ld\n",\ */
-/*                              node->name, xmlGetLineNo(node)); */
-/*     while (node && node->next){ */
-/*     if (!xmlStrcmp(node->name, (xmlChar *)"arrow")) ++arrows_nb; */
-/*     if (!xmlStrcmp(node->name, (xmlChar *)"arrow")) printf ("VRB4   %s-%ld ",\ */
-/*         (xmlChar *)node->name, arrows_nb); */
-/*     if (node && node->properties) { */
-/*       xmlAttr* attribute = node->properties; */
-/*       while(attribute) */
-/*         { */
-/*           xmlChar* value = xmlNodeListGetString(node->doc, attribute->children, 1); */
-/*           printf("v=%s ", value); */
-/*           *(t + c) = strtol((char*)value, NULL, 0); */
-/*           ++c; */
-/*           xmlFree(value); */
-/*           attribute = attribute->next; */
-/*         } */
-/*       printf("\n"); */
-/*     } */
-/*     node = node->next; */
-/*     } */
-/*     printf ("VRB4   model_get_state_arrows_nb = %ld     end   at line %ld\n",\ */
-/*                              arrows_nb, xmlGetLineNo(node)); */
-/*     for(int k = 0; k < c; k++) printf("%d ", *(t + k)); printf("\n"); */
-/*     return arrows_nb; */
-/*     } */
-
-/*     return (long) size * ( 2 + dim ) * sizeof(int); */
-/* } */
-              
-int model_get_state(xmlChar *path, xmlChar *state_id)
-{
-    printf("model_get_state (%s -> %s state)\n", path, state_id);
-    return 0;
-}
-              
-int model_get_conditions_list(xmlChar *path)
-{
-    printf("model_get_conditions_list(%s)\n", path);
-    return 0;
-}
-              
-int model_get_transitions_list(xmlChar *path)
-{
-    printf("model_get_transitions_list(%s)\n", path);
-    return 0;
-}
-
-           
-