2990 lines
92 KiB
C
2990 lines
92 KiB
C
/* -----------------------------------------------------------------------------
|
|
* The Cyberiada GraphML library implemention
|
|
*
|
|
* The C library implementation
|
|
*
|
|
* Copyright (C) 2024 Alexey Fedoseev <aleksey@fedoseev.net>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 3 of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see https://www.gnu.org/licenses/
|
|
*
|
|
* ----------------------------------------------------------------------------- */
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <libxml/parser.h>
|
|
#include <libxml/tree.h>
|
|
#include <libxml/encoding.h>
|
|
#include <libxml/xmlwriter.h>
|
|
#include <regex.h>
|
|
#include <stddef.h>
|
|
|
|
#include "cyberiadaml.h"
|
|
#include "utf8enc.h"
|
|
|
|
/* -----------------------------------------------------------------------------
|
|
* Cyberiada parser constants
|
|
* ----------------------------------------------------------------------------- */
|
|
|
|
/* Core GraphML constants */
|
|
|
|
#define GRAPHML_XML_ENCODING "utf-8"
|
|
#define GRAPHML_NAMESPACE_URI "http://graphml.graphdrawing.org/xmlns"
|
|
#define GRAPHML_GRAPHML_ELEMENT "graphml"
|
|
#define GRAPHML_GRAPH_ELEMENT "graph"
|
|
#define GRAPHML_NODE_ELEMENT "node"
|
|
#define GRAPHML_EDGE_ELEMENT "edge"
|
|
#define GRAPHML_DATA_ELEMENT "data"
|
|
#define GRAPHML_KEY_ELEMENT "key"
|
|
#define GRAPHML_ID_ATTRIBUTE "id"
|
|
#define GRAPHML_KEY_ATTRIBUTE "key"
|
|
#define GRAPHML_FOR_ATTRIBUTE "for"
|
|
#define GRAPHML_PORT_ATTRIBUTE "port"
|
|
#define GRAPHML_EDGEDEFAULT_ATTRIBUTE "edgedefault"
|
|
#define GRAPHML_ATTR_NAME_ATTRIBUTE "attr.name"
|
|
#define GRAPHML_ATTR_TYPE_ATTRIBUTE "attr.type"
|
|
#define GRAPHML_ALL_ATTRIBUTE_VALUE "all"
|
|
#define GRAPHML_EDGEDEFAULT_ATTRIBUTE_VALUE "directed"
|
|
#define GRAPHML_SOURCE_ATTRIBUTE "source"
|
|
#define GRAPHML_TARGET_ATTRIBUTE "target"
|
|
|
|
/* Common GraphML constants */
|
|
|
|
#define GRAPHML_GEOM_X_ATTRIBUTE "x"
|
|
#define GRAPHML_GEOM_Y_ATTRIBUTE "y"
|
|
#define GRAPHML_GEOM_WIDTH_ATTRIBUTE "width"
|
|
#define GRAPHML_GEOM_HEIGHT_ATTRIBUTE "height"
|
|
|
|
/* YED format constants */
|
|
|
|
#define GRAPHML_NAMESPACE_URI_YED "http://www.yworks.com/xml/graphml"
|
|
#define GRAPHML_BERLOGA_SCHEMENAME_ATTR "SchemeName"
|
|
#define GRAPHML_YED_YFILES_TYPE_ATTR "yfiles.type"
|
|
#define GRAPHML_YED_GEOMETRYNODE "Geometry"
|
|
#define GRAPHML_YED_BORDERSTYLENODE "BorderStyle"
|
|
#define GRAPHML_YED_LINESTYLENODE "LineStyle"
|
|
#define GRAPHML_YED_FILLNODE "Fill"
|
|
#define GRAPHML_YED_PATHNODE "Path"
|
|
#define GRAPHML_YED_POINTNODE "Point"
|
|
#define GRAPHML_YED_GEOM_SOURCE_X_ATTRIBUTE "sx"
|
|
#define GRAPHML_YED_GEOM_SOURCE_Y_ATTRIBUTE "sy"
|
|
#define GRAPHML_YED_GEOM_TARGET_X_ATTRIBUTE "tx"
|
|
#define GRAPHML_YED_GEOM_TARGET_Y_ATTRIBUTE "ty"
|
|
#define GRAPHML_YED_COMMENTNODE "UMLNoteNode"
|
|
#define GRAPHML_YED_GROUPNODE "GroupNode"
|
|
#define GRAPHML_YED_GENERICNODE "GenericNode"
|
|
#define GRAPHML_YED_LABELNODE "NodeLabel"
|
|
#define GRAPHML_YED_NODE_CONFIG_ATTRIBUTE "configuration"
|
|
#define GRAPHML_YED_NODE_CONFIG_START "com.yworks.bpmn.Event"
|
|
#define GRAPHML_YED_NODE_CONFIG_START2 "com.yworks.bpmn.Event.withShadow"
|
|
#define GRAPHML_YED_PROPNODE "Property"
|
|
#define GRAPHML_YED_PROP_VALUE_ATTRIBUTE "value"
|
|
#define GRAPHML_YED_PROP_VALUE_START "EVENT_CHARACTERISTIC_START"
|
|
#define GRAPHML_YED_EDGELABEL "EdgeLabel"
|
|
#define GRAPHML_YED_POLYLINEEDGE "PolyLineEdge"
|
|
|
|
/* Cyberiada-GraphML format constants */
|
|
|
|
#define GRAPHML_CYB_GRAPH_FORMAT "gFormat"
|
|
#define GRAPHML_CYB_DATA_NAME "dName"
|
|
#define GRAPHML_CYB_DATA_DATA "dData"
|
|
#define GRAPHML_CYB_DATA_COMMENT "dNote"
|
|
#define GRAPHML_CYB_DATA_COMMENT_SUBJECT "dPivot"
|
|
#define GRAPHML_CYB_DATA_INITIAL "dInitial"
|
|
#define GRAPHML_CYB_DATA_GEOMETRY "dGeometry"
|
|
#define GRAPHML_CYB_DATA_COLOR "dColor"
|
|
#define GRAPHML_CYB_COMMENT_FORMAL "formal"
|
|
#define GRAPHML_CYB_COMMENT_INFORMAL "informal"
|
|
|
|
/* HSM format / standard constants */
|
|
|
|
#define CYBERIADA_FORMAT_CYBERIADAML "Cyberiada-GraphML-1.0"
|
|
#define CYBERIADA_FORMAT_BERLOGA "yEd Berloga"
|
|
#define CYBERIADA_FORMAT_OSTRANNA "yEd Ostranna"
|
|
#define CYBERIADA_STANDARD_VERSION_CYBERIADAML "1.0"
|
|
#define CYBERIADA_STANDARD_VERSION_YED ""
|
|
|
|
/* HSM action constants */
|
|
|
|
#define CYBERIADA_ACTION_NEWLINE "\n\n"
|
|
#define CYBERIADA_ACTION_NEWLINE_RN "\r\n\r\n"
|
|
#define CYBERIADA_ACTION_TRIGGER_ENTRY "entry"
|
|
#define CYBERIADA_ACTION_TRIGGER_EXIT "exit"
|
|
#define CYBERIADA_ACTION_TRIGGER_DO "do"
|
|
#define CYBERIADA_ACTION_EDGE_REGEXP "^\\s*(\\w((\\w| |\\.)*\\w)?(\\(\\w+\\))?)?\\s*(\\[([^]]+)\\])?\\s*(propagate|block)?\\s*(/\\s*(.*))?\\s*$"
|
|
#define CYBERIADA_ACTION_NODE_REGEXP "^\\s*(\\w((\\w| |\\.)*\\w)?(\\(\\w+\\))?)\\s*(\\[([^]]+)\\])?\\s*(propagate|block)?\\s*(/\\s*(.*)?)\\s*$"
|
|
#define CYBERIADA_ACTION_REGEXP_MATCHES 10
|
|
#define CYBERIADA_ACTION_REGEXP_MATCH_TRIGGER 1
|
|
#define CYBERIADA_ACTION_REGEXP_MATCH_GUARD 6
|
|
#define CYBERIADA_ACTION_REGEXP_MATCH_PROP 7
|
|
#define CYBERIADA_ACTION_REGEXP_MATCH_ACTION 9
|
|
#define CYBERIADA_ACTION_SPACES_REGEXP "^\\s*$"
|
|
/*#define CYBERIADA_ACTION_NEWLINE_REGEXP "^([^\n]*(\n[ \t\r]*[^\\s])?)*\n\\s*\n(.*)?$"
|
|
#define CYBERIADA_ACTION_NL_REGEXP_MATCHES 4*/
|
|
|
|
/* HSM metadata constants */
|
|
|
|
#define CYBERIADA_META_SEPARATOR_CHR '/'
|
|
#define CYBERIADA_META_NEW_LINE_CHR '\n'
|
|
#define CYBERIADA_META_NEW_LINE_STR "\n"
|
|
#define CYBERIADA_META_STANDARD_VERSION "standardVersion"
|
|
#define CYBERIADA_META_PLATFORM_NAME "platform"
|
|
#define CYBERIADA_META_PLATFORM_VERSION "platformVersion"
|
|
#define CYBERIADA_META_PLATFORM_LANGUAGE "platformLanguage"
|
|
#define CYBERIADA_META_TARGET_SYSTEM "target"
|
|
#define CYBERIADA_META_NAME "name"
|
|
#define CYBERIADA_META_AUTHOR "author"
|
|
#define CYBERIADA_META_CONTACT "contact"
|
|
#define CYBERIADA_META_DESCRIPTION "description"
|
|
#define CYBERIADA_META_VERSION "version"
|
|
#define CYBERIADA_META_DATE "date"
|
|
#define CYBERIADA_META_ACTIONS_ORDER "actionsOrder"
|
|
#define CYBERIADA_META_AO_TRANSITION "transitionFirst"
|
|
#define CYBERIADA_META_AO_EXIT "exitFirst"
|
|
#define CYBERIADA_META_EVENT_PROPAGATION "eventPropagation"
|
|
#define CYBERIADA_META_EP_PROPAGATE "propagate"
|
|
#define CYBERIADA_META_EP_BLOCK "block"
|
|
|
|
/* Misc. constants */
|
|
|
|
#define CYBERIADA_ROOT_NODE "__ROOT__"
|
|
#define MAX_STR_LEN 4096
|
|
#define PSEUDO_NODE_SIZE 20
|
|
#define EMPTY_TITLE ""
|
|
|
|
#ifdef __DEBUG__
|
|
#define DEBUG(...) fprintf(stderr, __VA_ARGS__)
|
|
#else
|
|
#define DEBUG(...)
|
|
#endif
|
|
|
|
#define ERROR(...) fprintf(stderr, __VA_ARGS__)
|
|
|
|
/* -----------------------------------------------------------------------------
|
|
* Utility functions
|
|
* ----------------------------------------------------------------------------- */
|
|
|
|
static int cyberiada_copy_string(char** target, size_t* size, const char* source)
|
|
{
|
|
char* target_str;
|
|
size_t strsize;
|
|
if (!source) {
|
|
*target = NULL;
|
|
*size = 0;
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
strsize = strlen(source);
|
|
if (strsize > MAX_STR_LEN - 1) {
|
|
strsize = MAX_STR_LEN - 1;
|
|
}
|
|
target_str = (char*)malloc(strsize + 1);
|
|
strncpy(target_str, source, strsize);
|
|
target_str[strsize] = 0;
|
|
*target = target_str;
|
|
*size = strsize;
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
/* -----------------------------------------------------------------------------
|
|
* Graph manipulation functions
|
|
* ----------------------------------------------------------------------------- */
|
|
|
|
static CyberiadaNode* cyberiada_graph_find_node_by_id(CyberiadaNode* root, const char* id)
|
|
{
|
|
CyberiadaNode* node;
|
|
CyberiadaNode* found;
|
|
if (strcmp(root->id, id) == 0) {
|
|
return root;
|
|
}
|
|
for (node = root->next; node; node = node->next) {
|
|
found = cyberiada_graph_find_node_by_id(node, id);
|
|
if (found)
|
|
return found;
|
|
}
|
|
if (root->children) {
|
|
return cyberiada_graph_find_node_by_id(root->children, id);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static CyberiadaNode* cyberiada_graph_find_node_by_type(CyberiadaNode* root, CyberiadaNodeTypeMask mask)
|
|
{
|
|
CyberiadaNode* node;
|
|
CyberiadaNode* found;
|
|
if (root->type & mask) {
|
|
return root;
|
|
}
|
|
for (node = root->next; node; node = node->next) {
|
|
found = cyberiada_graph_find_node_by_type(node, mask);
|
|
if (found)
|
|
return found;
|
|
}
|
|
if (root->children) {
|
|
return cyberiada_graph_find_node_by_type(root->children, mask);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static CyberiadaNode* cyberiada_new_node(const char* id)
|
|
{
|
|
CyberiadaNode* new_node = (CyberiadaNode*)malloc(sizeof(CyberiadaNode));
|
|
cyberiada_copy_string(&(new_node->id), &(new_node->id_len), id);
|
|
new_node->type = cybNodeSimpleState;
|
|
new_node->title = NULL;
|
|
new_node->title_len = 0;
|
|
new_node->actions = NULL;
|
|
new_node->next = NULL;
|
|
new_node->parent = NULL;
|
|
new_node->children = NULL;
|
|
new_node->geometry_rect = NULL;
|
|
return new_node;
|
|
}
|
|
|
|
static int cyberiada_destroy_action(CyberiadaAction* action)
|
|
{
|
|
CyberiadaAction* a;
|
|
if (action != NULL) {
|
|
do {
|
|
a = action;
|
|
if (a->trigger) free(a->trigger);
|
|
if (a->guard) free(a->guard);
|
|
if (a->behavior) free(a->behavior);
|
|
action = a->next;
|
|
free(a);
|
|
} while (action);
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_destroy_all_nodes(CyberiadaNode* node);
|
|
|
|
static int cyberiada_destroy_node(CyberiadaNode* node)
|
|
{
|
|
if(node != NULL) {
|
|
if(node->id) free(node->id);
|
|
if(node->title) free(node->title);
|
|
if(node->children) {
|
|
cyberiada_destroy_all_nodes(node->children);
|
|
}
|
|
if(node->actions) cyberiada_destroy_action(node->actions);
|
|
if(node->geometry_rect) free(node->geometry_rect);
|
|
free(node);
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_destroy_all_nodes(CyberiadaNode* node)
|
|
{
|
|
CyberiadaNode* n;
|
|
if(node != NULL) {
|
|
do {
|
|
n = node;
|
|
node = node->next;
|
|
cyberiada_destroy_node(n);
|
|
} while (node);
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static CyberiadaEdge* cyberiada_new_edge(const char* id, const char* source, const char* target)
|
|
{
|
|
CyberiadaEdge* new_edge = (CyberiadaEdge*)malloc(sizeof(CyberiadaEdge));
|
|
new_edge->type = cybEdgeTransition;
|
|
cyberiada_copy_string(&(new_edge->id), &(new_edge->id_len), id);
|
|
cyberiada_copy_string(&(new_edge->source_id), &(new_edge->source_id_len), source);
|
|
cyberiada_copy_string(&(new_edge->target_id), &(new_edge->target_id_len), target);
|
|
new_edge->source = NULL;
|
|
new_edge->target = NULL;
|
|
new_edge->action = NULL;
|
|
new_edge->next = NULL;
|
|
new_edge->geometry_source_point = NULL;
|
|
new_edge->geometry_target_point = NULL;
|
|
new_edge->geometry_polyline = NULL;
|
|
new_edge->geometry_label = NULL;
|
|
new_edge->color = NULL;
|
|
return new_edge;
|
|
}
|
|
|
|
static CyberiadaAction* cyberiada_new_action(CyberiadaActionType type,
|
|
const char* trigger,
|
|
const char* guard,
|
|
const char* behavior)
|
|
{
|
|
CyberiadaAction* action = (CyberiadaAction*)malloc(sizeof(CyberiadaAction));
|
|
action->type = type;
|
|
cyberiada_copy_string(&(action->trigger), &(action->trigger_len), trigger);
|
|
cyberiada_copy_string(&(action->guard), &(action->guard_len), guard);
|
|
cyberiada_copy_string(&(action->behavior), &(action->behavior_len), behavior);
|
|
action->next = NULL;
|
|
return action;
|
|
}
|
|
|
|
static regex_t cyberiada_edge_action_regexp;
|
|
static regex_t cyberiada_node_action_regexp;
|
|
/*static regex_t cyberiada_newline_regexp;*/
|
|
static regex_t cyberiada_spaces_regexp;
|
|
|
|
static int cyberiada_init_action_regexps(void)
|
|
{
|
|
if (regcomp(&cyberiada_edge_action_regexp, CYBERIADA_ACTION_EDGE_REGEXP, REG_EXTENDED)) {
|
|
ERROR("cannot compile edge action regexp\n");
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
if (regcomp(&cyberiada_node_action_regexp, CYBERIADA_ACTION_NODE_REGEXP, REG_EXTENDED)) {
|
|
ERROR("cannot compile edge action regexp\n");
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
/* if (regcomp(&cyberiada_newline_regexp, CYBERIADA_ACTION_NEWLINE_REGEXP, REG_EXTENDED)) {
|
|
ERROR("cannot compile new line regexp\n");
|
|
return CYBERIADA_ASSERT;
|
|
}*/
|
|
if (regcomp(&cyberiada_spaces_regexp, CYBERIADA_ACTION_SPACES_REGEXP, REG_EXTENDED)) {
|
|
ERROR("cannot compile new line regexp\n");
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_free_action_regexps(void)
|
|
{
|
|
regfree(&cyberiada_edge_action_regexp);
|
|
regfree(&cyberiada_node_action_regexp);
|
|
/* regfree(&cyberiada_newline_regexp);*/
|
|
regfree(&cyberiada_spaces_regexp);
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
|
|
static int cyberiaga_matchres_action_regexps(const char* text,
|
|
const regmatch_t* pmatch, size_t pmatch_size,
|
|
char** trigger, char** guard, char** behavior)
|
|
{
|
|
size_t i;
|
|
char* part;
|
|
int start, end;
|
|
|
|
if (pmatch_size != CYBERIADA_ACTION_REGEXP_MATCHES) {
|
|
ERROR("bad action regexp match array size\n");
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
|
|
for (i = 0; i < pmatch_size; i++) {
|
|
if (i != CYBERIADA_ACTION_REGEXP_MATCH_TRIGGER &&
|
|
i != CYBERIADA_ACTION_REGEXP_MATCH_GUARD &&
|
|
i != CYBERIADA_ACTION_REGEXP_MATCH_ACTION) {
|
|
continue;
|
|
}
|
|
start = pmatch[i].rm_so;
|
|
end = pmatch[i].rm_eo;
|
|
if (end > start && text[start] != 0) {
|
|
part = (char*)malloc((size_t)(end - start + 1));
|
|
strncpy(part, &text[start], (size_t)(end - start));
|
|
part[(size_t)(end - start)] = 0;
|
|
} else {
|
|
part = "";
|
|
}
|
|
if (i == CYBERIADA_ACTION_REGEXP_MATCH_TRIGGER) {
|
|
*trigger = part;
|
|
} else if (i == CYBERIADA_ACTION_REGEXP_MATCH_GUARD) {
|
|
*guard = part;
|
|
} else {
|
|
/* i == ACTION_REGEXP_MATCH_ACTION */
|
|
*behavior= part;
|
|
}
|
|
}
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
/*static int cyberiaga_matchres_newline(const regmatch_t* pmatch, size_t pmatch_size,
|
|
size_t* next_block)
|
|
{
|
|
if (pmatch_size != ACTION_NL_REGEXP_MATCHES) {
|
|
ERROR("bad new line regexp match array size\n");
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
if (next_block) {
|
|
*next_block = (size_t)pmatch[pmatch_size - 1].rm_so;
|
|
}
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}*/
|
|
|
|
static int decode_utf8_strings(char** trigger, char** guard, char** behavior)
|
|
{
|
|
char* oldptr;
|
|
size_t len;
|
|
if (*trigger && **trigger) {
|
|
oldptr = *trigger;
|
|
*trigger = utf8_decode(*trigger, strlen(*trigger), &len);
|
|
free(oldptr);
|
|
}
|
|
if (*guard && **guard) {
|
|
oldptr = *guard;
|
|
*guard = utf8_decode(*guard, strlen(*guard), &len);
|
|
free(oldptr);
|
|
}
|
|
if (*behavior && **behavior) {
|
|
oldptr = *behavior;
|
|
*behavior = utf8_decode(*behavior, strlen(*behavior), &len);
|
|
free(oldptr);
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_decode_edge_action(const char* text, CyberiadaAction** action)
|
|
{
|
|
int res;
|
|
size_t buffer_len;
|
|
char *trigger = "", *guard = "", *behavior = "";
|
|
char *buffer;
|
|
regmatch_t pmatch[CYBERIADA_ACTION_REGEXP_MATCHES];
|
|
|
|
buffer = utf8_encode(text, strlen(text), &buffer_len);
|
|
|
|
if ((res = regexec(&cyberiada_edge_action_regexp, buffer,
|
|
CYBERIADA_ACTION_REGEXP_MATCHES, pmatch, 0)) != 0) {
|
|
if (res == REG_NOMATCH) {
|
|
ERROR("edge action text didn't match the regexp\n");
|
|
return CYBERIADA_ACTION_FORMAT_ERROR;
|
|
} else {
|
|
ERROR("edge action regexp error %d\n", res);
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
}
|
|
if (cyberiaga_matchres_action_regexps(buffer,
|
|
pmatch, CYBERIADA_ACTION_REGEXP_MATCHES,
|
|
&trigger, &guard, &behavior) != CYBERIADA_NO_ERROR) {
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
|
|
decode_utf8_strings(&trigger, &guard, &behavior);
|
|
|
|
/* DEBUG("\n");
|
|
DEBUG("edge action:\n");
|
|
DEBUG("trigger: %s\n", trigger);
|
|
DEBUG("guard: %s\n", guard);
|
|
DEBUG("action: %s\n", action);*/
|
|
|
|
*action = cyberiada_new_action(cybActionTransition, trigger, guard, behavior);
|
|
|
|
if (*trigger) free(trigger);
|
|
if (*guard) free(guard);
|
|
if (*behavior) free(behavior);
|
|
|
|
free(buffer);
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_add_action(const char* trigger, const char* guard, const char* behavior,
|
|
CyberiadaAction** action)
|
|
{
|
|
CyberiadaAction* new_action;
|
|
CyberiadaActionType type;
|
|
|
|
if (trigger) {
|
|
if (strcmp(trigger, CYBERIADA_ACTION_TRIGGER_ENTRY) == 0) {
|
|
type = cybActionEntry;
|
|
} else if (strcmp(trigger, CYBERIADA_ACTION_TRIGGER_EXIT) == 0) {
|
|
type = cybActionExit;
|
|
} else if (strcmp(trigger, CYBERIADA_ACTION_TRIGGER_DO) == 0) {
|
|
type = cybActionDo;
|
|
} else {
|
|
type = cybActionTransition;
|
|
}
|
|
}
|
|
|
|
/*DEBUG("\n");
|
|
DEBUG("node action:\n");
|
|
DEBUG("trigger: %s\n", trigger);
|
|
DEBUG("guard: %s\n", guard);
|
|
DEBUG("behavior: %s\n", behavior);
|
|
DEBUG("type: %d\n", type);*/
|
|
|
|
new_action = cyberiada_new_action(type, trigger, guard, behavior);
|
|
if (*action) {
|
|
CyberiadaAction* b = *action;
|
|
while (b->next) b = b->next;
|
|
b->next = new_action;
|
|
} else {
|
|
*action = new_action;
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_decode_state_block_action(const char* text, CyberiadaAction** action)
|
|
{
|
|
int res;
|
|
char *trigger = "", *guard = "", *behavior = "";
|
|
regmatch_t pmatch[CYBERIADA_ACTION_REGEXP_MATCHES];
|
|
if ((res = regexec(&cyberiada_node_action_regexp, text,
|
|
CYBERIADA_ACTION_REGEXP_MATCHES, pmatch, 0)) != 0) {
|
|
if (res == REG_NOMATCH) {
|
|
ERROR("node block action text didn't match the regexp\n");
|
|
return CYBERIADA_ACTION_FORMAT_ERROR;
|
|
} else {
|
|
ERROR("node block action regexp error %d\n", res);
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
}
|
|
if (cyberiaga_matchres_action_regexps(text,
|
|
pmatch, CYBERIADA_ACTION_REGEXP_MATCHES,
|
|
&trigger, &guard, &behavior) != CYBERIADA_NO_ERROR) {
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
|
|
decode_utf8_strings(&trigger, &guard, &behavior);
|
|
cyberiada_add_action(trigger, guard, behavior, action);
|
|
|
|
if (*trigger) free(trigger);
|
|
if (*guard) free(guard);
|
|
if (*behavior) free(behavior);
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_decode_state_actions(const char* text, CyberiadaAction** action)
|
|
{
|
|
int res;
|
|
size_t buffer_len;
|
|
char *buffer, *start, *block, *block2, *next;
|
|
/* regmatch_t pmatch[ACTION_NL_REGEXP_MATCHES];*/
|
|
|
|
buffer = utf8_encode(text, strlen(text), &buffer_len);
|
|
next = buffer;
|
|
|
|
*action = NULL;
|
|
|
|
while (*next) {
|
|
start = next;
|
|
block = strstr(start, CYBERIADA_ACTION_NEWLINE);
|
|
block2 = strstr(start, CYBERIADA_ACTION_NEWLINE_RN);
|
|
if (block2 && ((block && (block > block2)) || !block)) {
|
|
block = block2;
|
|
*block2 = 0;
|
|
next = block2 + 4;
|
|
} else if (block) {
|
|
*block = 0;
|
|
next = block + 2;
|
|
} else {
|
|
block = start;
|
|
next = start + strlen(block);
|
|
}
|
|
/* if ((res = regexec(&cyberiada_newline_regexp, start,
|
|
ACTION_NL_REGEXP_MATCHES, pmatch, 0)) != 0) {
|
|
if (res != REG_NOMATCH) {
|
|
ERROR("newline regexp error %d\n", res);
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
}
|
|
if (res == REG_NOMATCH) {
|
|
block = start;
|
|
start = start + strlen(block);
|
|
} else {
|
|
if (cyberiaga_matchres_newline(pmatch, ACTION_NL_REGEXP_MATCHES,
|
|
&next_block) != CYBERIADA_NO_ERROR) {
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
block = start;
|
|
start[next_block - 1] = 0;
|
|
start = start + next_block;
|
|
DEBUG("first part: '%s'\n", block);
|
|
DEBUG("second part: '%s'\n", start);
|
|
}*/
|
|
|
|
if (regexec(&cyberiada_spaces_regexp, start, 0, NULL, 0) == 0) {
|
|
continue ;
|
|
}
|
|
|
|
if ((res = cyberiada_decode_state_block_action(start, action)) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while decoding state block %s: %d\n", start, res);
|
|
return res;
|
|
}
|
|
}
|
|
|
|
free(buffer);
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_graph_add_sibling_node(CyberiadaNode* sibling, CyberiadaNode* new_node)
|
|
{
|
|
CyberiadaNode* node = sibling;
|
|
if (!new_node) {
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
new_node->parent = sibling->parent;
|
|
while (node->next) node = node->next;
|
|
node->next = new_node;
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
/*static int cyberiada_graph_add_node_action(CyberiadaNode* node,
|
|
CyberiadaActionType type,
|
|
const char* trigger,
|
|
const char* guard,
|
|
const char* action)
|
|
{
|
|
CyberiadaAction *action, *new_action;
|
|
if (!node) {
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
new_action = cyberiada_new_action(type, trigger, guard, action);
|
|
if (node->action) {
|
|
node->action = new_action;
|
|
} else {
|
|
action = node->action;
|
|
while (action->next) action = action->next;
|
|
action->next = new_action;
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}*/
|
|
|
|
/*static int cyberiada_find_and_remove_node(CyberiadaNode* current, CyberiadaNode* target)
|
|
{
|
|
int res;
|
|
CyberiadaNode* next = NULL;
|
|
CyberiadaNode* prev = NULL;
|
|
if (current != NULL) {
|
|
do {
|
|
next = current->next;
|
|
if (current == target) {
|
|
if (prev) {
|
|
prev->next = next;
|
|
target->next = NULL;
|
|
DEBUG("remove prev = next\n");
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
} else if (current->children == target) {
|
|
current->children = current->children->next;
|
|
target->next = NULL;
|
|
DEBUG("remove current children\n");
|
|
return CYBERIADA_NO_ERROR;
|
|
} else if (current->children == NULL) {
|
|
res = cyberiada_find_and_remove_node(current->children, target);
|
|
if (res == CYBERIADA_NO_ERROR) {
|
|
return res;
|
|
}
|
|
}
|
|
prev = current;
|
|
current = next;
|
|
} while (current);
|
|
}
|
|
return CYBERIADA_NOT_FOUND;
|
|
}
|
|
|
|
static int cyberiada_remove_node(CyberiadaSM* sm, CyberiadaNode* node)
|
|
{
|
|
if (node == NULL) {
|
|
return CYBERIADA_NO_ERROR;
|
|
} else if (sm->nodes == node) {
|
|
sm->nodes = NULL;
|
|
return CYBERIADA_NO_ERROR;
|
|
} else {
|
|
return cyberiada_find_and_remove_node(sm->nodes, node);
|
|
}
|
|
}*/
|
|
|
|
static int cyberiada_graph_add_edge(CyberiadaSM* sm, const char* id, const char* source, const char* target)
|
|
{
|
|
CyberiadaEdge* last_edge;
|
|
CyberiadaEdge* new_edge;
|
|
if (!sm) {
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
new_edge = cyberiada_new_edge(id, source, target);
|
|
last_edge = sm->edges;
|
|
if (last_edge == NULL) {
|
|
sm->edges = new_edge;
|
|
} else {
|
|
while (last_edge->next) last_edge = last_edge->next;
|
|
last_edge->next = new_edge;
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static CyberiadaEdge* cyberiada_graph_find_last_edge(CyberiadaSM* sm)
|
|
{
|
|
CyberiadaEdge* edge;
|
|
if (!sm) {
|
|
return NULL;
|
|
}
|
|
edge = sm->edges;
|
|
while (edge && edge->next) edge = edge->next;
|
|
return edge;
|
|
}
|
|
|
|
/*static int cyberiada_graph_add_edge_action(CyberiadaEdge* edge,
|
|
CyberiadaActionType type,
|
|
const char* trigger,
|
|
const char* guard,
|
|
const char* action)
|
|
{
|
|
CyberiadaAction *action, *new_action;
|
|
if (!edge) {
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
new_action = cyberiada_new_action(type, trigger, guard, action);
|
|
if (edge->action) {
|
|
edge->action = new_action;
|
|
} else {
|
|
action = edge->action;
|
|
while (action->next) action = action->next;
|
|
action->next = new_action;
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}*/
|
|
|
|
static int cyberiada_destroy_edge(CyberiadaEdge* e)
|
|
{
|
|
CyberiadaPolyline *polyline, *pl;
|
|
if (e->id) free(e->id);
|
|
if (e->source_id) free(e->source_id);
|
|
if (e->target_id) free(e->target_id);
|
|
if (e->action) cyberiada_destroy_action(e->action);
|
|
if (e->geometry_source_point) free(e->geometry_source_point);
|
|
if (e->geometry_target_point) free(e->geometry_target_point);
|
|
if (e->geometry_polyline) {
|
|
polyline = e->geometry_polyline;
|
|
do {
|
|
pl = polyline;
|
|
polyline = polyline->next;
|
|
free(pl);
|
|
} while (polyline);
|
|
}
|
|
if (e->geometry_label) free(e->geometry_label);
|
|
if (e->color) free(e->color);
|
|
free(e);
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_graphs_reconstruct_edges(CyberiadaDocument* doc)
|
|
{
|
|
CyberiadaEdge* edge;
|
|
CyberiadaSM* sm;
|
|
for (sm = doc->state_machines; sm; sm = sm->next) {
|
|
edge = sm->edges;
|
|
while (edge) {
|
|
CyberiadaNode* source = cyberiada_graph_find_node_by_id(sm->nodes, edge->source_id);
|
|
CyberiadaNode* target = cyberiada_graph_find_node_by_id(sm->nodes, edge->target_id);
|
|
if (!source || !target) {
|
|
ERROR("cannot find source/target node for edge %s %s\n", edge->source_id, edge->target_id);
|
|
return CYBERIADA_FORMAT_ERROR;
|
|
}
|
|
edge->source = source;
|
|
edge->target = target;
|
|
edge = edge->next;
|
|
}
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_destroy_meta(CyberiadaMetainformation* meta)
|
|
{
|
|
if (meta) {
|
|
if (meta->standard_version) free(meta->standard_version);
|
|
if (meta->platform_name) free(meta->platform_name);
|
|
if (meta->platform_version) free(meta->platform_version);
|
|
if (meta->platform_language) free(meta->platform_language);
|
|
if (meta->target_system) free(meta->target_system);
|
|
if (meta->name) free(meta->name);
|
|
if (meta->author) free(meta->author);
|
|
if (meta->contact) free(meta->contact);
|
|
if (meta->description) free(meta->description);
|
|
if (meta->version) free(meta->version);
|
|
if (meta->date) free(meta->date);
|
|
free(meta);
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
typedef struct {
|
|
const char* name;
|
|
size_t value_offset;
|
|
size_t len_offset;
|
|
const char* title;
|
|
} MetainfoDeclaration;
|
|
|
|
static MetainfoDeclaration cyberiada_metadata[] = {
|
|
{
|
|
CYBERIADA_META_STANDARD_VERSION,
|
|
offsetof(CyberiadaMetainformation, standard_version),
|
|
offsetof(CyberiadaMetainformation, standard_version_len),
|
|
"standard version"
|
|
}, {
|
|
CYBERIADA_META_PLATFORM_NAME,
|
|
offsetof(CyberiadaMetainformation, platform_name),
|
|
offsetof(CyberiadaMetainformation, platform_name_len),
|
|
"platform name"
|
|
}, {
|
|
CYBERIADA_META_PLATFORM_VERSION,
|
|
offsetof(CyberiadaMetainformation, platform_version),
|
|
offsetof(CyberiadaMetainformation, platform_version_len),
|
|
"platform version"
|
|
}, {
|
|
CYBERIADA_META_PLATFORM_LANGUAGE,
|
|
offsetof(CyberiadaMetainformation, platform_language),
|
|
offsetof(CyberiadaMetainformation, platform_language_len),
|
|
"platform language"
|
|
}, {
|
|
CYBERIADA_META_TARGET_SYSTEM,
|
|
offsetof(CyberiadaMetainformation, target_system),
|
|
offsetof(CyberiadaMetainformation, target_system_len),
|
|
"target system"
|
|
}, {
|
|
CYBERIADA_META_NAME,
|
|
offsetof(CyberiadaMetainformation, name),
|
|
offsetof(CyberiadaMetainformation, name_len),
|
|
"document name"
|
|
}, {
|
|
CYBERIADA_META_AUTHOR,
|
|
offsetof(CyberiadaMetainformation, author),
|
|
offsetof(CyberiadaMetainformation, author_len),
|
|
"document author"
|
|
}, {
|
|
CYBERIADA_META_CONTACT,
|
|
offsetof(CyberiadaMetainformation, contact),
|
|
offsetof(CyberiadaMetainformation, contact_len),
|
|
"document author's contact"
|
|
}, {
|
|
CYBERIADA_META_DESCRIPTION,
|
|
offsetof(CyberiadaMetainformation, description),
|
|
offsetof(CyberiadaMetainformation, description_len),
|
|
"document description"
|
|
}, {
|
|
CYBERIADA_META_VERSION,
|
|
offsetof(CyberiadaMetainformation, version),
|
|
offsetof(CyberiadaMetainformation, version_len),
|
|
"document version"
|
|
}, {
|
|
CYBERIADA_META_DATE,
|
|
offsetof(CyberiadaMetainformation, date),
|
|
offsetof(CyberiadaMetainformation, date_len),
|
|
"document date"
|
|
}, {
|
|
CYBERIADA_META_DATE,
|
|
offsetof(CyberiadaMetainformation, date),
|
|
offsetof(CyberiadaMetainformation, date_len),
|
|
"actions order"
|
|
}
|
|
};
|
|
|
|
static int cyberiada_add_default_meta(CyberiadaDocument* doc, const char* sm_name)
|
|
{
|
|
CyberiadaMetainformation* meta;
|
|
|
|
if (doc->meta_info) {
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
|
|
meta = (CyberiadaMetainformation*)malloc(sizeof(CyberiadaMetainformation));
|
|
memset(meta, 0, sizeof(CyberiadaMetainformation));
|
|
|
|
cyberiada_copy_string(&(meta->standard_version),
|
|
&(meta->standard_version_len),
|
|
CYBERIADA_STANDARD_VERSION_YED);
|
|
if (*sm_name) {
|
|
cyberiada_copy_string(&(meta->name), &(meta->name_len), sm_name);
|
|
}
|
|
|
|
meta->actions_order_flag = 1;
|
|
meta->event_propagation_flag = 1;
|
|
|
|
doc->meta_info = meta;
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
/*static int cyberiada_add_meta(CyberiadaSM* sm, char* metadata)
|
|
{
|
|
CyberiadaMetainformation* meta;
|
|
char *line, *parts;
|
|
size_t i;
|
|
char found;
|
|
|
|
if (sm->meta_info) {
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
|
|
meta = (CyberiadaMetainformation*)malloc(sizeof(CyberiadaMetainformation));
|
|
memset(meta, 0, sizeof(CyberiadaMetainformation));
|
|
|
|
if (strchr(metadata, CYBERIADA_META_NEW_LINE_CHR)) {
|
|
line = strtok(metadata, CYBERIADA_META_NEW_LINE_STR);
|
|
} else {
|
|
line = metadata;
|
|
}
|
|
do {
|
|
parts = strchr(metadata, CYBERIADA_META_SEPARATOR_CHR);
|
|
if (parts == NULL) {
|
|
ERROR("Error decoding SM metainformation: cannot find separator\n");
|
|
cyberiada_destroy_meta(meta);
|
|
return CYBERIADA_METADATA_FORMAT_ERROR;
|
|
}
|
|
*parts = 0;
|
|
do {
|
|
parts++;
|
|
} while (isspace(*parts));
|
|
|
|
found = 0;
|
|
for (i = 0; i < sizeof(cyberiada_metadata) / sizeof(MetainfoDeclaration); i++) {
|
|
if (strcmp(line, cyberiada_metadata[i].name) == 0) {
|
|
if ((void*)((&meta) + cyberiada_metadata[i].value_offset) != NULL) {
|
|
ERROR("Error decoding SM metainformation: double parameter %s\n",
|
|
cyberiada_metadata[i].title);
|
|
cyberiada_destroy_meta(meta);
|
|
return CYBERIADA_METADATA_FORMAT_ERROR;
|
|
}
|
|
cyberiada_copy_string((char**)((char*)meta + cyberiada_metadata[i].value_offset),
|
|
(size_t*)((char*)meta + cyberiada_metadata[i].len_offset), parts);
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
if (strcmp(line, CYBERIADA_META_ACTIONS_ORDER) == 0) {
|
|
if (strcmp(parts, CYBERIADA_META_AO_TRANSITION) == 0) {
|
|
meta->actions_order_flag = 1;
|
|
} else if (strcmp(parts, CYBERIADA_META_AO_EXIT) == 0) {
|
|
meta->actions_order_flag = 2;
|
|
} else {
|
|
ERROR("Error decoding SM metainformation: bad value of actions order flag parameter\n");
|
|
cyberiada_destroy_meta(meta);
|
|
return CYBERIADA_METADATA_FORMAT_ERROR;
|
|
}
|
|
} else if (strcmp(line, CYBERIADA_META_EVENT_PROPAGATION) == 0) {
|
|
if (strcmp(parts, CYBERIADA_META_EP_PROPAGATE) == 0) {
|
|
meta->event_propagation_flag = 1;
|
|
} else if (strcmp(parts, CYBERIADA_META_EP_BLOCK) == 0) {
|
|
meta->event_propagation_flag = 2;
|
|
} else {
|
|
ERROR("Error decoding SM metainformation: bad value of event propagation flag parameter\n");
|
|
cyberiada_destroy_meta(meta);
|
|
return CYBERIADA_METADATA_FORMAT_ERROR;
|
|
}
|
|
} else {
|
|
ERROR("Error decoding SM metainformation: bad key %s\n", line);
|
|
cyberiada_destroy_meta(meta);
|
|
return CYBERIADA_METADATA_FORMAT_ERROR;
|
|
}
|
|
}
|
|
|
|
line = strtok(NULL, CYBERIADA_META_NEW_LINE_STR);
|
|
} while (line);
|
|
|
|
if (!meta->standard_version) {
|
|
ERROR("Error decoding SM metainformation: standard version is not set\n");
|
|
cyberiada_destroy_meta(meta);
|
|
return CYBERIADA_METADATA_FORMAT_ERROR;
|
|
}
|
|
|
|
if (strcmp(meta->standard_version, CYBERIADA_STANDARD_VERSION_CYBERIADAML) != 0) {
|
|
ERROR("Error decoding SM metainformation: unsupported version of Cyberiada standard - %s\n",
|
|
meta->standard_version);
|
|
cyberiada_destroy_meta(meta);
|
|
return CYBERIADA_METADATA_FORMAT_ERROR;
|
|
}
|
|
|
|
// set default values
|
|
if (!meta->actions_order_flag) {
|
|
meta->actions_order_flag = 1;
|
|
}
|
|
if (!meta->event_propagation_flag) {
|
|
meta->event_propagation_flag = 1;
|
|
}
|
|
|
|
sm->meta_info = meta;
|
|
return CYBERIADA_NO_ERROR;
|
|
}*/
|
|
|
|
/* -----------------------------------------------------------------------------
|
|
* The Cyberiada GraphML library fucntions declarations
|
|
* ----------------------------------------------------------------------------- */
|
|
|
|
static int cyberiada_init_sm(CyberiadaSM* sm)
|
|
{
|
|
if (sm) {
|
|
sm->nodes = NULL;
|
|
sm->edges = NULL;
|
|
sm->next = NULL;
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static CyberiadaSM* cyberiada_create_sm(void)
|
|
{
|
|
CyberiadaSM* sm = (CyberiadaSM*)malloc(sizeof(CyberiadaSM));
|
|
cyberiada_init_sm(sm);
|
|
return sm;
|
|
}
|
|
|
|
CyberiadaDocument* cyberiada_create_sm_document(void)
|
|
{
|
|
CyberiadaDocument* doc = (CyberiadaDocument*)malloc(sizeof(CyberiadaDocument));
|
|
cyberiada_init_sm_document(doc);
|
|
return doc;
|
|
}
|
|
|
|
int cyberiada_init_sm_document(CyberiadaDocument* doc)
|
|
{
|
|
if (doc) {
|
|
doc->format = NULL;
|
|
doc->meta_info = NULL;
|
|
doc->state_machines = NULL;
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_destroy_sm(CyberiadaSM* sm)
|
|
{
|
|
CyberiadaEdge *edge, *e;
|
|
if (sm) {
|
|
if (sm->nodes) {
|
|
cyberiada_destroy_all_nodes(sm->nodes);
|
|
}
|
|
if (sm->edges) {
|
|
edge = sm->edges;
|
|
do {
|
|
e = edge;
|
|
edge = edge->next;
|
|
cyberiada_destroy_edge(e);
|
|
} while (edge);
|
|
}
|
|
free(sm);
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
int cyberiada_cleanup_sm_document(CyberiadaDocument* doc)
|
|
{
|
|
CyberiadaSM *sm, *sm2;
|
|
if (doc) {
|
|
if (doc->format) {
|
|
free(doc->format);
|
|
}
|
|
if (doc->meta_info) {
|
|
cyberiada_destroy_meta(doc->meta_info);
|
|
}
|
|
if (doc->state_machines) {
|
|
sm = doc->state_machines;
|
|
do {
|
|
sm2 = sm;
|
|
sm = sm->next;
|
|
cyberiada_destroy_sm(sm2);
|
|
} while (sm);
|
|
}
|
|
cyberiada_init_sm_document(doc);
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
int cyberiada_destroy_sm_document(CyberiadaDocument* doc)
|
|
{
|
|
int res = cyberiada_cleanup_sm_document(doc);
|
|
if (res != CYBERIADA_NO_ERROR) {
|
|
return res;
|
|
}
|
|
free(doc);
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
/* -----------------------------------------------------------------------------
|
|
* The Cyberiada GraphML XML processor state machine
|
|
* ----------------------------------------------------------------------------- */
|
|
|
|
typedef enum {
|
|
gpsInit = 0,
|
|
gpsGraph,
|
|
gpsNode,
|
|
gpsFakeNode,
|
|
gpsNodeGeometry,
|
|
gpsNodeTitle,
|
|
gpsNodeAction,
|
|
gpsNodeStart,
|
|
gpsEdge,
|
|
gpsEdgePath,
|
|
gpsInvalid
|
|
} GraphProcessorState;
|
|
|
|
const char* debug_state_names[] = {
|
|
"Init",
|
|
"Graph",
|
|
"Node",
|
|
"FakeNode",
|
|
"NodeGeometry",
|
|
"NodeTitle",
|
|
"NodeAction",
|
|
"NodeStart",
|
|
"Edge",
|
|
"EdgePath",
|
|
"Invalid"
|
|
};
|
|
|
|
typedef struct _NodeStack {
|
|
const char* xml_element;
|
|
CyberiadaNode* node;
|
|
struct _NodeStack* next;
|
|
} NodeStack;
|
|
|
|
static int node_stack_push(NodeStack** stack)
|
|
{
|
|
NodeStack* new_item = (NodeStack*)malloc(sizeof(NodeStack));
|
|
new_item->xml_element = NULL;
|
|
new_item->node = NULL;
|
|
new_item->next = (*stack);
|
|
*stack = new_item;
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int node_stack_set_top_node(NodeStack** stack, CyberiadaNode* node)
|
|
{
|
|
NodeStack* to_pop = *stack;
|
|
if (to_pop == NULL) {
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
to_pop->node = node;
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int node_stack_set_top_element(NodeStack** stack, const char* element)
|
|
{
|
|
NodeStack* to_pop = *stack;
|
|
if (to_pop == NULL) {
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
to_pop->xml_element = element;
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static CyberiadaNode* node_stack_current_node(NodeStack** stack)
|
|
{
|
|
NodeStack* s = *stack;
|
|
while (s) {
|
|
if (s->node)
|
|
return s->node;
|
|
s = s->next;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* static CyberiadaNode* node_stack_parent_node(NodeStack** stack) */
|
|
/* { */
|
|
/* NodeStack* s = *stack; */
|
|
/* int first = 1; */
|
|
/* while (s) { */
|
|
/* if (s->node) { */
|
|
/* if (first) { */
|
|
/* first = 0; */
|
|
/* } else { */
|
|
/* return s->node; */
|
|
/* } */
|
|
/* } */
|
|
/* s = s->next; */
|
|
/* } */
|
|
/* return NULL; */
|
|
/* } */
|
|
|
|
static int node_stack_pop(NodeStack** stack, CyberiadaNode** node, const char** element)
|
|
{
|
|
NodeStack* to_pop = *stack;
|
|
if (to_pop == NULL) {
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
if (element)
|
|
*element = to_pop->xml_element;
|
|
if (node)
|
|
*node = to_pop->node;
|
|
*stack = to_pop->next;
|
|
free(to_pop);
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int node_stack_empty(NodeStack* stack)
|
|
{
|
|
return stack == NULL;
|
|
}
|
|
|
|
static int cyberiada_get_attr_value(char* buffer, size_t buffer_len,
|
|
xmlNode* node, const char* attrname)
|
|
{
|
|
xmlAttr* attribute = node->properties;
|
|
while(attribute) {
|
|
if (strcmp((const char*)attribute->name, attrname) == 0) {
|
|
xmlChar* value = xmlNodeListGetString(node->doc, attribute->children, 1);
|
|
strncpy(buffer, (char*)value, buffer_len);
|
|
xmlFree(value);
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
attribute = attribute->next;
|
|
}
|
|
return CYBERIADA_NOT_FOUND;
|
|
}
|
|
|
|
static int cyberiada_get_element_text(char* buffer, size_t buffer_len,
|
|
xmlNode* node)
|
|
{
|
|
xmlChar* value = xmlNodeListGetString(node->doc,
|
|
node->xmlChildrenNode,
|
|
1);
|
|
strncpy(buffer, (char*)value, buffer_len);
|
|
xmlFree(value);
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static GraphProcessorState handle_new_graph(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
CyberiadaSM* sm = doc->state_machines;
|
|
/* process the top graph element only */
|
|
if(cyberiada_get_attr_value(buffer, buffer_len,
|
|
xml_node,
|
|
GRAPHML_ID_ATTRIBUTE) != CYBERIADA_NO_ERROR) {
|
|
return gpsInvalid;
|
|
}
|
|
/* DEBUG("found graph %s \n", buffer); */
|
|
while (sm->next) sm = sm->next;
|
|
if (sm->nodes == NULL) {
|
|
sm->nodes = cyberiada_new_node(CYBERIADA_ROOT_NODE);
|
|
sm->nodes->type = cybNodeSM;
|
|
node_stack_set_top_node(stack, sm->nodes);
|
|
}
|
|
return gpsGraph;
|
|
}
|
|
|
|
static GraphProcessorState handle_new_node(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
CyberiadaNode* node;
|
|
CyberiadaNode* parent;
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
if (cyberiada_get_attr_value(buffer, buffer_len,
|
|
xml_node,
|
|
GRAPHML_ID_ATTRIBUTE) != CYBERIADA_NO_ERROR) {
|
|
return gpsInvalid;
|
|
}
|
|
/* DEBUG("found node %s\n", buffer); */
|
|
parent = node_stack_current_node(stack);
|
|
if (parent == NULL) {
|
|
ERROR("current node invalid\n");
|
|
return gpsInvalid;
|
|
}
|
|
node = cyberiada_new_node(buffer);
|
|
node->parent = parent;
|
|
node_stack_set_top_node(stack, node);
|
|
if (parent->children == NULL) {
|
|
parent->children = node;
|
|
} else {
|
|
cyberiada_graph_add_sibling_node(parent->children, node);
|
|
}
|
|
|
|
if (*(node->id) != 0 || doc->format) {
|
|
return gpsNode;
|
|
} else {
|
|
return gpsFakeNode;
|
|
}
|
|
}
|
|
|
|
static GraphProcessorState handle_group_node(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
CyberiadaNode* current = node_stack_current_node(stack);
|
|
if (current == NULL) {
|
|
ERROR("current node invalid\n");
|
|
return gpsInvalid;
|
|
}
|
|
current->type = cybNodeCompositeState;
|
|
return gpsNodeGeometry;
|
|
}
|
|
|
|
static GraphProcessorState handle_comment_node(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
CyberiadaNode* current = node_stack_current_node(stack);
|
|
if (current == NULL) {
|
|
ERROR("current node invalid\n");
|
|
return gpsInvalid;
|
|
}
|
|
current->type = cybNodeComment;
|
|
/* DEBUG("Set node type comment\n"); */
|
|
/*cyberiada_copy_string(&(current->title), &(current->title_len), COMMENT_TITLE);*/
|
|
return gpsNodeGeometry;
|
|
}
|
|
|
|
static GraphProcessorState handle_generic_node(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
CyberiadaNode* current = node_stack_current_node(stack);
|
|
if (current == NULL) {
|
|
ERROR("current node invalid\n");
|
|
return gpsInvalid;
|
|
}
|
|
if (cyberiada_get_attr_value(buffer, buffer_len,
|
|
xml_node,
|
|
GRAPHML_YED_NODE_CONFIG_ATTRIBUTE) == CYBERIADA_NO_ERROR &&
|
|
(strcmp(buffer, GRAPHML_YED_NODE_CONFIG_START) == 0 ||
|
|
strcmp(buffer, GRAPHML_YED_NODE_CONFIG_START2) == 0)) {
|
|
current->type = cybNodeInitial;
|
|
if (current->title != NULL) {
|
|
ERROR("Trying to set start node %s label twice\n", current->id);
|
|
return gpsInvalid;
|
|
}
|
|
cyberiada_copy_string(&(current->title), &(current->title_len), "");
|
|
} else {
|
|
current->type = cybNodeSimpleState;
|
|
}
|
|
return gpsNodeGeometry;
|
|
}
|
|
|
|
static int cyberiada_xml_read_coord(xmlNode* xml_node,
|
|
const char* attr_name,
|
|
double* result)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
if (cyberiada_get_attr_value(buffer, buffer_len,
|
|
xml_node,
|
|
attr_name) != CYBERIADA_NO_ERROR) {
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
*result = atof(buffer);
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_xml_read_point(xmlNode* xml_node,
|
|
CyberiadaPoint** point)
|
|
{
|
|
CyberiadaPoint* p = (CyberiadaPoint*)malloc(sizeof(CyberiadaPoint));
|
|
if (cyberiada_xml_read_coord(xml_node,
|
|
GRAPHML_GEOM_X_ATTRIBUTE,
|
|
&(p->x))) {
|
|
p->x = 0.0;
|
|
}
|
|
if (cyberiada_xml_read_coord(xml_node,
|
|
GRAPHML_GEOM_Y_ATTRIBUTE,
|
|
&(p->y)) != CYBERIADA_NO_ERROR) {
|
|
p->y = 0.0;
|
|
}
|
|
*point = p;
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_xml_read_rect(xmlNode* xml_node,
|
|
CyberiadaRect** rect)
|
|
{
|
|
CyberiadaRect* r = (CyberiadaRect*)malloc(sizeof(CyberiadaRect));
|
|
if (cyberiada_xml_read_coord(xml_node,
|
|
GRAPHML_GEOM_X_ATTRIBUTE,
|
|
&(r->x)) != CYBERIADA_NO_ERROR) {
|
|
r->x = 0.0;
|
|
}
|
|
if (cyberiada_xml_read_coord(xml_node,
|
|
GRAPHML_GEOM_Y_ATTRIBUTE,
|
|
&(r->y)) != CYBERIADA_NO_ERROR) {
|
|
r->y = 0.0;
|
|
}
|
|
if (cyberiada_xml_read_coord(xml_node,
|
|
GRAPHML_GEOM_WIDTH_ATTRIBUTE,
|
|
&(r->width)) != CYBERIADA_NO_ERROR) {
|
|
r->width = 0.0;
|
|
}
|
|
if (cyberiada_xml_read_coord(xml_node,
|
|
GRAPHML_GEOM_HEIGHT_ATTRIBUTE,
|
|
&(r->height)) != CYBERIADA_NO_ERROR) {
|
|
r->height = 0.0;
|
|
}
|
|
*rect = r;
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static GraphProcessorState handle_node_geometry(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
CyberiadaNodeType type;
|
|
CyberiadaNode* current = node_stack_current_node(stack);
|
|
if (current == NULL) {
|
|
ERROR("current node invalid\n");
|
|
return gpsInvalid;
|
|
}
|
|
type = current->type;
|
|
if (cyberiada_xml_read_rect(xml_node,
|
|
&(current->geometry_rect)) != CYBERIADA_NO_ERROR) {
|
|
return gpsInvalid;
|
|
}
|
|
if (type == cybNodeInitial) {
|
|
current->geometry_rect->x += current->geometry_rect->width / 2.0;
|
|
current->geometry_rect->y += current->geometry_rect->height / 2.0;
|
|
current->geometry_rect->width = PSEUDO_NODE_SIZE;
|
|
current->geometry_rect->height = PSEUDO_NODE_SIZE;
|
|
return gpsNodeStart;
|
|
} else if (type == cybNodeComment) {
|
|
return gpsNodeAction;
|
|
} else {
|
|
return gpsNodeTitle;
|
|
}
|
|
}
|
|
|
|
static GraphProcessorState handle_property(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
if (cyberiada_get_attr_value(buffer, buffer_len,
|
|
xml_node,
|
|
GRAPHML_YED_PROP_VALUE_ATTRIBUTE) != CYBERIADA_NO_ERROR) {
|
|
return gpsInvalid;
|
|
}
|
|
if (strcmp(buffer, GRAPHML_YED_PROP_VALUE_START) == 0) {
|
|
return gpsGraph;
|
|
}
|
|
return gpsNodeStart;
|
|
}
|
|
|
|
static GraphProcessorState handle_node_title(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
CyberiadaNode* current = node_stack_current_node(stack);
|
|
if (current == NULL) {
|
|
ERROR("current node invalid\n");
|
|
return gpsInvalid;
|
|
}
|
|
if (current->title != NULL) {
|
|
ERROR("Trying to set node %s label twice\n", current->id);
|
|
return gpsInvalid;
|
|
}
|
|
cyberiada_get_element_text(buffer, buffer_len, xml_node);
|
|
/* DEBUG("Set node %s title %s\n", current->id, buffer); */
|
|
cyberiada_copy_string(&(current->title), &(current->title_len), buffer);
|
|
return gpsNodeAction;
|
|
}
|
|
|
|
static GraphProcessorState handle_node_action(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
CyberiadaNode* current = node_stack_current_node(stack);
|
|
if (current == NULL) {
|
|
ERROR("current node invalid\n");
|
|
return gpsInvalid;
|
|
}
|
|
cyberiada_get_element_text(buffer, buffer_len, xml_node);
|
|
if (current->type == cybNodeComment) {
|
|
/* DEBUG("Set node %s comment text %s\n", current->id, buffer); */
|
|
cyberiada_copy_string(&(current->title), &(current->title_len), buffer);
|
|
} else {
|
|
if (current->actions != NULL) {
|
|
ERROR("Trying to set node %s actions twice\n", current->id);
|
|
return gpsInvalid;
|
|
}
|
|
/* DEBUG("Set node %s action %s\n", current->id, buffer); */
|
|
if (cyberiada_decode_state_actions(buffer, &(current->actions)) != CYBERIADA_NO_ERROR) {
|
|
ERROR("cannot decode node action\n");
|
|
return gpsInvalid;
|
|
}
|
|
}
|
|
return gpsGraph;
|
|
}
|
|
|
|
static GraphProcessorState handle_new_edge(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
char source_buffer[MAX_STR_LEN];
|
|
size_t source_buffer_len = sizeof(source_buffer) - 1;
|
|
char target_buffer[MAX_STR_LEN];
|
|
size_t target_buffer_len = sizeof(target_buffer) - 1;
|
|
CyberiadaSM* sm = doc->state_machines;
|
|
while (sm->next) sm = sm->next;
|
|
if(cyberiada_get_attr_value(buffer, buffer_len,
|
|
xml_node,
|
|
GRAPHML_ID_ATTRIBUTE) != CYBERIADA_NO_ERROR) {
|
|
buffer[0] = 0;
|
|
}
|
|
/* DEBUG("found edge %s\n", buffer); */
|
|
if(cyberiada_get_attr_value(source_buffer, source_buffer_len,
|
|
xml_node,
|
|
GRAPHML_SOURCE_ATTRIBUTE) != CYBERIADA_NO_ERROR) {
|
|
return gpsInvalid;
|
|
}
|
|
if(cyberiada_get_attr_value(target_buffer, target_buffer_len,
|
|
xml_node,
|
|
GRAPHML_TARGET_ATTRIBUTE) != CYBERIADA_NO_ERROR) {
|
|
return gpsInvalid;
|
|
}
|
|
/* DEBUG("add edge %s %s -> %s\n", buffer, source_buffer, target_buffer); */
|
|
cyberiada_graph_add_edge(sm, buffer, source_buffer, target_buffer);
|
|
return gpsEdge;
|
|
}
|
|
|
|
static GraphProcessorState handle_edge_geometry(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
CyberiadaEdge *current;
|
|
CyberiadaSM* sm = doc->state_machines;
|
|
while (sm->next) sm = sm->next;
|
|
current = cyberiada_graph_find_last_edge(sm);
|
|
if (current == NULL) {
|
|
ERROR("no current edge\n");
|
|
return gpsInvalid;
|
|
}
|
|
current->geometry_source_point = (CyberiadaPoint*)malloc(sizeof(CyberiadaPoint));
|
|
current->geometry_target_point = (CyberiadaPoint*)malloc(sizeof(CyberiadaPoint));
|
|
if (cyberiada_xml_read_coord(xml_node,
|
|
GRAPHML_YED_GEOM_SOURCE_X_ATTRIBUTE,
|
|
&(current->geometry_source_point->x)) != CYBERIADA_NO_ERROR ||
|
|
cyberiada_xml_read_coord(xml_node,
|
|
GRAPHML_YED_GEOM_SOURCE_Y_ATTRIBUTE,
|
|
&(current->geometry_source_point->y)) != CYBERIADA_NO_ERROR ||
|
|
cyberiada_xml_read_coord(xml_node,
|
|
GRAPHML_YED_GEOM_TARGET_X_ATTRIBUTE,
|
|
&(current->geometry_target_point->x)) != CYBERIADA_NO_ERROR ||
|
|
cyberiada_xml_read_coord(xml_node,
|
|
GRAPHML_YED_GEOM_TARGET_Y_ATTRIBUTE,
|
|
&(current->geometry_target_point->y)) != CYBERIADA_NO_ERROR) {
|
|
return gpsInvalid;
|
|
}
|
|
return gpsEdgePath;
|
|
}
|
|
|
|
static GraphProcessorState handle_edge_point(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
CyberiadaEdge *current;
|
|
CyberiadaPoint* p;
|
|
CyberiadaPolyline *pl, *last_pl;
|
|
CyberiadaSM* sm = doc->state_machines;
|
|
while (sm->next) sm = sm->next;
|
|
current = cyberiada_graph_find_last_edge(sm);
|
|
if (current == NULL) {
|
|
ERROR("no current edge\n");
|
|
return gpsInvalid;
|
|
}
|
|
if (cyberiada_xml_read_point(xml_node, &p) != CYBERIADA_NO_ERROR) {
|
|
return gpsInvalid;
|
|
}
|
|
pl = (CyberiadaPolyline*)malloc(sizeof(CyberiadaPolyline));
|
|
pl->point.x = p->x;
|
|
pl->point.y = p->y;
|
|
free(p);
|
|
pl->next = NULL;
|
|
if (current->geometry_polyline == NULL) {
|
|
current->geometry_polyline = pl;
|
|
} else {
|
|
last_pl = current->geometry_polyline;
|
|
while (last_pl->next) last_pl = last_pl->next;
|
|
last_pl->next = pl;
|
|
}
|
|
return gpsEdgePath;
|
|
}
|
|
|
|
static GraphProcessorState handle_edge_label(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
CyberiadaEdge *current;
|
|
CyberiadaSM* sm = doc->state_machines;
|
|
while (sm->next) sm = sm->next;
|
|
current = cyberiada_graph_find_last_edge(sm);
|
|
if (current == NULL) {
|
|
ERROR("no current edge\n");
|
|
return gpsInvalid;
|
|
}
|
|
if (current->action != NULL) {
|
|
ERROR("Trying to set edge %s:%s label twice\n",
|
|
current->source_id, current->target_id);
|
|
return gpsInvalid;
|
|
}
|
|
cyberiada_get_element_text(buffer, buffer_len, xml_node);
|
|
/* DEBUG("add edge %s:%s action %s\n",
|
|
current->source_id, current->target_id, buffer); */
|
|
if (cyberiada_decode_edge_action(buffer, &(current->action)) != CYBERIADA_NO_ERROR) {
|
|
ERROR("cannot decode edge action\n");
|
|
return gpsInvalid;
|
|
}
|
|
return gpsGraph;
|
|
}
|
|
|
|
static GraphProcessorState handle_new_init_data(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
if (cyberiada_get_attr_value(buffer, buffer_len,
|
|
xml_node,
|
|
GRAPHML_KEY_ATTRIBUTE) == CYBERIADA_NO_ERROR &&
|
|
strcmp(buffer, GRAPHML_CYB_GRAPH_FORMAT) == 0) {
|
|
|
|
cyberiada_get_element_text(buffer, buffer_len, xml_node);
|
|
if (strcmp(buffer, CYBERIADA_FORMAT_CYBERIADAML) == 0) {
|
|
cyberiada_copy_string(&(doc->format), &(doc->format_len),
|
|
CYBERIADA_FORMAT_CYBERIADAML);
|
|
/* DEBUG("doc format %s\n", doc->format); */
|
|
return gpsInit;
|
|
} else {
|
|
ERROR("Bad Cyberida-GraphML format: %s\n", buffer);
|
|
}
|
|
} else {
|
|
ERROR("No graph version node\n");
|
|
}
|
|
return gpsInvalid;
|
|
}
|
|
|
|
static GraphProcessorState handle_new_init_key(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
const char* allowed_node_ids[] = { GRAPHML_CYB_DATA_NAME,
|
|
GRAPHML_CYB_DATA_DATA,
|
|
GRAPHML_CYB_DATA_INITIAL,
|
|
GRAPHML_CYB_DATA_GEOMETRY };
|
|
size_t allowed_node_ids_size = sizeof(allowed_node_ids) / sizeof(const char*);
|
|
const char* allowed_edge_ids[] = { GRAPHML_CYB_DATA_DATA,
|
|
GRAPHML_CYB_DATA_GEOMETRY,
|
|
GRAPHML_CYB_DATA_COLOR };
|
|
size_t allowed_edge_ids_size = sizeof(allowed_edge_ids) / sizeof(const char*);
|
|
const char** allowed_ids = NULL;
|
|
size_t allowed_ids_size = 0;
|
|
size_t i;
|
|
int found;
|
|
|
|
if (cyberiada_get_attr_value(buffer, buffer_len,
|
|
xml_node,
|
|
GRAPHML_FOR_ATTRIBUTE) != CYBERIADA_NO_ERROR) {
|
|
ERROR("Cannot find 'for' attribute of the key node\n");
|
|
return gpsInvalid;
|
|
}
|
|
|
|
if (strcmp(buffer, GRAPHML_ALL_ATTRIBUTE_VALUE) == 0) {
|
|
return gpsInit;
|
|
} else if (strcmp(buffer, GRAPHML_NODE_ELEMENT) == 0) {
|
|
allowed_ids = allowed_node_ids;
|
|
allowed_ids_size = allowed_node_ids_size;
|
|
} else if (strcmp(buffer, GRAPHML_EDGE_ELEMENT) == 0) {
|
|
allowed_ids = allowed_edge_ids;
|
|
allowed_ids_size = allowed_edge_ids_size;
|
|
} else {
|
|
ERROR("Cannot find proper for attribute of the key: %s found\n", buffer);
|
|
return gpsInvalid;
|
|
}
|
|
|
|
found = 0;
|
|
|
|
if (cyberiada_get_attr_value(buffer, buffer_len,
|
|
xml_node,
|
|
GRAPHML_ID_ATTRIBUTE) != CYBERIADA_NO_ERROR) {
|
|
return gpsInvalid;
|
|
}
|
|
|
|
for (i = 0; i < allowed_ids_size; i++) {
|
|
if (strcmp(buffer, allowed_ids[i]) == 0) {
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
ERROR("Cannot find proper id attribute of the key %s\n", buffer);
|
|
return gpsInvalid;
|
|
}
|
|
|
|
return gpsInit;
|
|
}
|
|
|
|
static GraphProcessorState handle_node_data(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
CyberiadaNode* current = node_stack_current_node(stack);
|
|
if (current == NULL) {
|
|
ERROR("no current node\n");
|
|
return gpsInvalid;
|
|
}
|
|
if (cyberiada_get_attr_value(buffer, buffer_len,
|
|
xml_node,
|
|
GRAPHML_KEY_ATTRIBUTE) != CYBERIADA_NO_ERROR) {
|
|
ERROR("no data node key attribute\n");
|
|
return gpsInvalid;
|
|
}
|
|
|
|
if (strcmp(buffer, GRAPHML_CYB_DATA_NAME) == 0 ||
|
|
strcmp(buffer, GRAPHML_CYB_DATA_DATA) == 0) {
|
|
int title = strcmp(buffer, GRAPHML_CYB_DATA_NAME) == 0;
|
|
cyberiada_get_element_text(buffer, buffer_len, xml_node);
|
|
if (title) {
|
|
if (current->title != NULL) {
|
|
ERROR("Trying to set node %s label twice\n", current->id);
|
|
return gpsInvalid;
|
|
}
|
|
/* DEBUG("Set node %s title %s\n", current->id, buffer); */
|
|
cyberiada_copy_string(&(current->title), &(current->title_len), buffer);
|
|
} else {
|
|
if (current->actions != NULL) {
|
|
ERROR("Trying to set node %s action twice\n", current->id);
|
|
return gpsInvalid;
|
|
}
|
|
/* DEBUG("Set node %s action %s\n", current->id, buffer); */
|
|
if (cyberiada_decode_state_actions(buffer, &(current->actions)) != CYBERIADA_NO_ERROR) {
|
|
ERROR("cannot decode node action\n");
|
|
return gpsInvalid;
|
|
}
|
|
}
|
|
} else if (strcmp(buffer, GRAPHML_CYB_DATA_INITIAL) == 0) {
|
|
current->type = cybNodeInitial;
|
|
} else if (strcmp(buffer, GRAPHML_CYB_DATA_GEOMETRY) == 0) {
|
|
if (cyberiada_xml_read_rect(xml_node,
|
|
&(current->geometry_rect)) != CYBERIADA_NO_ERROR) {
|
|
return gpsInvalid;
|
|
}
|
|
} else {
|
|
ERROR("bad data key attribute %s\n", buffer);
|
|
return gpsInvalid;
|
|
}
|
|
return gpsNode;
|
|
}
|
|
|
|
static GraphProcessorState handle_fake_node_data(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
CyberiadaNode* current = node_stack_current_node(stack);
|
|
if (current == NULL) {
|
|
ERROR("no current node\n");
|
|
return gpsInvalid;
|
|
}
|
|
if (cyberiada_get_attr_value(buffer, buffer_len,
|
|
xml_node,
|
|
GRAPHML_KEY_ATTRIBUTE) != CYBERIADA_NO_ERROR) {
|
|
ERROR("no data node key attribute\n");
|
|
return gpsInvalid;
|
|
}
|
|
if (strcmp(buffer, GRAPHML_CYB_DATA_NAME) == 0 ||
|
|
strcmp(buffer, GRAPHML_CYB_DATA_DATA) == 0) {
|
|
|
|
/* int title = strcmp(buffer, GRAPHML_CYB_DATA_NAME) == 0;
|
|
cyberiada_get_element_text(buffer, buffer_len, xml_node);
|
|
if (title) {
|
|
DEBUG("Set SM name %s\n", buffer);
|
|
cyberiada_copy_string(&(sm->name), &(sm->name_len), buffer);
|
|
} else {
|
|
DEBUG("Set SM info %s\n", buffer);
|
|
cyberiada_copy_string(&(sm->info), &(sm->info_len), buffer);
|
|
}*/
|
|
} else {
|
|
ERROR("bad fake node data key attribute %s\n", buffer);
|
|
return gpsInvalid;
|
|
}
|
|
|
|
return gpsFakeNode;
|
|
}
|
|
|
|
static GraphProcessorState handle_edge_data(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
CyberiadaEdge *current;
|
|
CyberiadaSM* sm = doc->state_machines;
|
|
while (sm->next) sm = sm->next;
|
|
current = cyberiada_graph_find_last_edge(sm);
|
|
if (current == NULL) {
|
|
ERROR("no current edge\n");
|
|
return gpsInvalid;
|
|
}
|
|
if (cyberiada_get_attr_value(buffer, buffer_len, xml_node,
|
|
GRAPHML_KEY_ATTRIBUTE) != CYBERIADA_NO_ERROR) {
|
|
ERROR("no data node key attribute\n");
|
|
return gpsInvalid;
|
|
}
|
|
if (strcmp(buffer, GRAPHML_CYB_DATA_DATA) == 0) {
|
|
cyberiada_get_element_text(buffer, buffer_len, xml_node);
|
|
/* DEBUG("Set edge %s action %s\n", current->id, buffer); */
|
|
if (cyberiada_decode_edge_action(buffer, &(current->action)) != CYBERIADA_NO_ERROR) {
|
|
ERROR("cannot decode edge action\n");
|
|
return gpsInvalid;
|
|
}
|
|
} else if (strcmp(buffer, GRAPHML_CYB_DATA_GEOMETRY) == 0) {
|
|
if (cyberiada_xml_read_point(xml_node,
|
|
&(current->geometry_label)) != CYBERIADA_NO_ERROR) {
|
|
return gpsInvalid;
|
|
}
|
|
} else if (strcmp(buffer, GRAPHML_CYB_DATA_COLOR) == 0) {
|
|
cyberiada_get_element_text(buffer, buffer_len, xml_node);
|
|
cyberiada_copy_string(&(current->color), &(current->color_len), buffer);
|
|
} else {
|
|
ERROR("bad data key attribute %s\n", buffer);
|
|
return gpsInvalid;
|
|
}
|
|
return gpsEdge;
|
|
}
|
|
|
|
typedef GraphProcessorState (*Handler)(xmlNode* xml_root,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack);
|
|
|
|
typedef struct {
|
|
GraphProcessorState state;
|
|
const char* symbol;
|
|
Handler handler;
|
|
} ProcessorTransition;
|
|
|
|
static ProcessorTransition yed_processor_state_table[] = {
|
|
{gpsInit, GRAPHML_GRAPH_ELEMENT, &handle_new_graph},
|
|
{gpsGraph, GRAPHML_NODE_ELEMENT, &handle_new_node},
|
|
{gpsGraph, GRAPHML_EDGE_ELEMENT, &handle_new_edge},
|
|
{gpsGraph, GRAPHML_GRAPH_ELEMENT, &handle_new_graph},
|
|
{gpsNode, GRAPHML_YED_COMMENTNODE, &handle_comment_node},
|
|
{gpsNode, GRAPHML_YED_GROUPNODE, &handle_group_node},
|
|
{gpsNode, GRAPHML_YED_GENERICNODE, &handle_generic_node},
|
|
{gpsNodeGeometry, GRAPHML_YED_GEOMETRYNODE, &handle_node_geometry},
|
|
{gpsNodeStart, GRAPHML_YED_PROPNODE, &handle_property},
|
|
{gpsNodeStart, GRAPHML_NODE_ELEMENT, &handle_new_node},
|
|
{gpsNodeTitle, GRAPHML_YED_LABELNODE, &handle_node_title},
|
|
{gpsNodeAction, GRAPHML_YED_LABELNODE, &handle_node_action},
|
|
{gpsNodeAction, GRAPHML_NODE_ELEMENT, &handle_new_node},
|
|
{gpsEdge, GRAPHML_EDGE_ELEMENT, &handle_new_edge},
|
|
{gpsEdge, GRAPHML_YED_PATHNODE, &handle_edge_geometry},
|
|
{gpsEdgePath, GRAPHML_YED_POINTNODE, &handle_edge_point},
|
|
{gpsEdgePath, GRAPHML_YED_EDGELABEL, &handle_edge_label},
|
|
{gpsEdgePath, GRAPHML_EDGE_ELEMENT, &handle_new_edge},
|
|
};
|
|
const size_t yed_processor_state_table_size = sizeof(yed_processor_state_table) / sizeof(ProcessorTransition);
|
|
|
|
static ProcessorTransition cyb_processor_state_table[] = {
|
|
{gpsInit, GRAPHML_DATA_ELEMENT, &handle_new_init_data},
|
|
{gpsInit, GRAPHML_KEY_ELEMENT, &handle_new_init_key},
|
|
{gpsInit, GRAPHML_GRAPH_ELEMENT, &handle_new_graph},
|
|
{gpsGraph, GRAPHML_NODE_ELEMENT, &handle_new_node},
|
|
{gpsNode, GRAPHML_DATA_ELEMENT, &handle_node_data},
|
|
{gpsNode, GRAPHML_NODE_ELEMENT, &handle_new_node},
|
|
{gpsFakeNode, GRAPHML_DATA_ELEMENT, &handle_fake_node_data},
|
|
{gpsFakeNode, GRAPHML_NODE_ELEMENT, &handle_new_node},
|
|
{gpsGraph, GRAPHML_EDGE_ELEMENT, &handle_new_edge},
|
|
{gpsNode, GRAPHML_EDGE_ELEMENT, &handle_new_edge},
|
|
{gpsEdge, GRAPHML_DATA_ELEMENT, &handle_edge_data},
|
|
{gpsEdge, GRAPHML_EDGE_ELEMENT, &handle_new_edge},
|
|
};
|
|
const size_t cyb_processor_state_table_size = sizeof(cyb_processor_state_table) / sizeof(ProcessorTransition);
|
|
|
|
static int dispatch_processor(xmlNode* xml_node,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack,
|
|
GraphProcessorState* gps,
|
|
ProcessorTransition* processor_state_table,
|
|
size_t processor_state_table_size)
|
|
{
|
|
size_t i;
|
|
if (xml_node->type == XML_ELEMENT_NODE) {
|
|
const char* xml_element_name = (const char*)xml_node->name;
|
|
node_stack_set_top_element(stack, xml_element_name);
|
|
for (i = 0; i < processor_state_table_size; i++) {
|
|
if (processor_state_table[i].state == *gps &&
|
|
strcmp(xml_element_name, processor_state_table[i].symbol) == 0) {
|
|
*gps = (*(processor_state_table[i].handler))(xml_node, doc, stack);
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
}
|
|
}
|
|
return CYBERIADA_NOT_FOUND;
|
|
}
|
|
|
|
static int cyberiada_build_graphs(xmlNode* xml_root,
|
|
CyberiadaDocument* doc,
|
|
NodeStack** stack,
|
|
GraphProcessorState* gps,
|
|
ProcessorTransition* processor_state_table,
|
|
size_t processor_state_table_size)
|
|
{
|
|
xmlNode *cur_xml_node = NULL;
|
|
/* NodeStack* s = *stack; */
|
|
/* DEBUG("\nStack:"); */
|
|
/* while (s) { */
|
|
/* DEBUG(" (%s %p)", */
|
|
/* s->xml_element ? s->xml_element : "null", */
|
|
/* s->node); */
|
|
/* s = s->next; */
|
|
/* } */
|
|
/* DEBUG("\n"); */
|
|
for (cur_xml_node = xml_root; cur_xml_node; cur_xml_node = cur_xml_node->next) {
|
|
/* DEBUG("xml node %s sm root %s gps %s\n",
|
|
cur_xml_node->name,
|
|
sm->nodes ? sm->nodes->id : "none",
|
|
debug_state_names[*gps]); */
|
|
node_stack_push(stack);
|
|
dispatch_processor(cur_xml_node, doc, stack, gps,
|
|
processor_state_table, processor_state_table_size);
|
|
if (*gps == gpsInvalid) {
|
|
return CYBERIADA_FORMAT_ERROR;
|
|
}
|
|
if (cur_xml_node->children) {
|
|
int res = cyberiada_build_graphs(cur_xml_node->children, doc, stack, gps,
|
|
processor_state_table, processor_state_table_size);
|
|
if (res != CYBERIADA_NO_ERROR) {
|
|
return res;
|
|
}
|
|
}
|
|
node_stack_pop(stack, NULL, NULL);
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_decode_yed_xml(xmlNode* root, CyberiadaDocument* doc)
|
|
{
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
GraphProcessorState gps = gpsInit;
|
|
CyberiadaNode* node = NULL;
|
|
NodeStack* stack = NULL;
|
|
char berloga_format = 0;
|
|
int res;
|
|
|
|
if (cyberiada_get_attr_value(buffer, buffer_len,
|
|
root,
|
|
GRAPHML_BERLOGA_SCHEMENAME_ATTR) == CYBERIADA_NO_ERROR) {
|
|
cyberiada_copy_string(&(doc->format), &(doc->format_len), CYBERIADA_FORMAT_BERLOGA);
|
|
berloga_format = 1;
|
|
} else {
|
|
cyberiada_copy_string(&(doc->format), &(doc->format_len), CYBERIADA_FORMAT_OSTRANNA);
|
|
berloga_format = 0;
|
|
}
|
|
/* DEBUG("doc format %s\n", doc->format); */
|
|
|
|
if ((res = cyberiada_build_graphs(root, doc, &stack, &gps,
|
|
yed_processor_state_table,
|
|
yed_processor_state_table_size)) != CYBERIADA_NO_ERROR) {
|
|
return res;
|
|
}
|
|
|
|
if (!node_stack_empty(stack)) {
|
|
ERROR("error with node stack\n");
|
|
return CYBERIADA_FORMAT_ERROR;
|
|
}
|
|
|
|
if (berloga_format) {
|
|
cyberiada_add_default_meta(doc, buffer);
|
|
} else {
|
|
if (doc->state_machines->nodes) {
|
|
node = cyberiada_graph_find_node_by_type(doc->state_machines->nodes, cybNodeCompositeState);
|
|
}
|
|
if (node) {
|
|
cyberiada_add_default_meta(doc, node->title);
|
|
} else {
|
|
cyberiada_add_default_meta(doc, EMPTY_TITLE);
|
|
}
|
|
}
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_decode_cyberiada_xml(xmlNode* root, CyberiadaDocument* doc)
|
|
{
|
|
GraphProcessorState gps = gpsInit;
|
|
NodeStack* stack = NULL;
|
|
int res;
|
|
/* CyberiadaNode *meta_node, *ext_node;
|
|
CyberiadaEdge *edge, *prev_edge;*/
|
|
|
|
if ((res = cyberiada_build_graphs(root, doc, &stack, &gps,
|
|
cyb_processor_state_table,
|
|
cyb_processor_state_table_size)) != CYBERIADA_NO_ERROR) {
|
|
return res;
|
|
}
|
|
|
|
if (!node_stack_empty(stack)) {
|
|
ERROR("error with node stack\n");
|
|
return CYBERIADA_FORMAT_ERROR;
|
|
}
|
|
|
|
/*meta_node = cyberiada_graph_find_node_by_id(sm->nodes, "");
|
|
|
|
if (meta_node == NULL) {
|
|
ERROR("meta node not found\n");
|
|
return CYBERIADA_FORMAT_ERROR;
|
|
}*/
|
|
|
|
/* check extension nodes and remove non-visible nodes & edges */
|
|
/*if (sm->edges) {
|
|
prev_edge = NULL;
|
|
edge = sm->edges;
|
|
do {
|
|
if (*(edge->source_id) == 0) {
|
|
ext_node = cyberiada_graph_find_node_by_id(sm->nodes, edge->target_id);
|
|
cyberiada_graph_add_extension(sm, ext_node->id, ext_node->title, ext_node->action);
|
|
if (cyberiada_remove_node(sm, ext_node) != CYBERIADA_NO_ERROR) {
|
|
ERROR("cannot remove ext node %s\n", edge->target_id);
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
cyberiada_destroy_node(ext_node);
|
|
if (prev_edge == NULL) {
|
|
sm->edges = edge->next;
|
|
} else {
|
|
prev_edge->next = edge->next;
|
|
}
|
|
edge->next = NULL;
|
|
cyberiada_destroy_edge(edge);
|
|
} else {
|
|
prev_edge = edge;
|
|
}
|
|
edge = edge->next;
|
|
} while (edge);
|
|
}
|
|
if (cyberiada_remove_node(sm, meta_node) != CYBERIADA_NO_ERROR) {
|
|
ERROR("cannot remove meta node\n");
|
|
return CYBERIADA_ASSERT;
|
|
}
|
|
cyberiada_destroy_node(meta_node);
|
|
*/
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_check_graphml_ns(xmlNode* root, CyberiadaXMLFormat* format)
|
|
{
|
|
xmlNs* ns;
|
|
int graphml_found = 0;
|
|
int yed_found = 0;
|
|
if (!root || !(ns = root->nsDef)) {
|
|
ERROR("bad GraphML XML NS: null ns ptr\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
do {
|
|
if (strcmp((const char*)ns->href, GRAPHML_NAMESPACE_URI) == 0) {
|
|
graphml_found = 1;
|
|
} else if (strcmp((const char*)ns->href, GRAPHML_NAMESPACE_URI_YED) == 0) {
|
|
yed_found = 1;
|
|
}
|
|
ns = ns->next;
|
|
} while (ns);
|
|
if (!graphml_found) {
|
|
ERROR("no GraphML XML NS href\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
if (*format == cybxmlUnknown) {
|
|
if (yed_found) {
|
|
*format = cybxmlYED;
|
|
} else {
|
|
*format = cybxmlCyberiada;
|
|
}
|
|
} else if (*format == cybxmlYED && !yed_found) {
|
|
ERROR("no GraphML YED NS href\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
int cyberiada_read_sm_document(CyberiadaDocument* cyb_doc, const char* filename, CyberiadaXMLFormat format)
|
|
{
|
|
int res;
|
|
xmlDoc* doc = NULL;
|
|
xmlNode* root = NULL;
|
|
|
|
cyberiada_init_sm_document(cyb_doc);
|
|
|
|
/* parse the file and get the DOM */
|
|
if ((doc = xmlReadFile(filename, NULL, 0)) == NULL) {
|
|
ERROR("error: could not parse file %s\n", filename);
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
|
|
cyberiada_init_action_regexps();
|
|
|
|
do {
|
|
/* get the root element node */
|
|
root = xmlDocGetRootElement(doc);
|
|
|
|
if (strcmp((const char*)root->name, GRAPHML_GRAPHML_ELEMENT) != 0) {
|
|
ERROR("error: could not find GraphML root node %s\n", filename);
|
|
res = CYBERIADA_XML_ERROR;
|
|
break;
|
|
}
|
|
|
|
/* check whether the xml is graphml */
|
|
if (cyberiada_check_graphml_ns(root, &format)) {
|
|
ERROR("error: no valid graphml namespace in %s\n", filename);
|
|
res = CYBERIADA_XML_ERROR;
|
|
break;
|
|
}
|
|
|
|
cyb_doc->state_machines = cyberiada_create_sm();
|
|
|
|
/* DEBUG("reading format %d\n", format); */
|
|
if (format == cybxmlYED) {
|
|
res = cyberiada_decode_yed_xml(root, cyb_doc);
|
|
} else if (format == cybxmlCyberiada) {
|
|
res = cyberiada_decode_cyberiada_xml(root, cyb_doc);
|
|
} else {
|
|
ERROR("error: unsupported GraphML format of file %s\n",
|
|
filename);
|
|
res = CYBERIADA_XML_ERROR;
|
|
break;
|
|
}
|
|
|
|
if (res != CYBERIADA_NO_ERROR) {
|
|
break;
|
|
}
|
|
|
|
if ((res = cyberiada_graphs_reconstruct_edges(cyb_doc)) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error: cannot reconstruct graph edges from file %s\n",
|
|
filename);
|
|
break;
|
|
}
|
|
} while(0);
|
|
|
|
cyberiada_free_action_regexps();
|
|
xmlFreeDoc(doc);
|
|
xmlCleanupParser();
|
|
|
|
return res;
|
|
}
|
|
|
|
static int cyberiada_print_meta(CyberiadaMetainformation* meta)
|
|
{
|
|
size_t i;
|
|
char* value;
|
|
printf("Meta information:\n");
|
|
|
|
if (meta) {
|
|
for (i = 0; i < sizeof(cyberiada_metadata) / sizeof(MetainfoDeclaration); i++) {
|
|
value = *((char**)((char*)meta + cyberiada_metadata[i].value_offset));
|
|
if (value) {
|
|
printf(" %s: %s\n", cyberiada_metadata[i].title, value);
|
|
}
|
|
}
|
|
|
|
if (meta->actions_order_flag) {
|
|
printf(" actions order flag: %d\n", meta->actions_order_flag);
|
|
}
|
|
if (meta->event_propagation_flag) {
|
|
printf(" event propagation flag: %d\n", meta->event_propagation_flag);
|
|
}
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_print_action(CyberiadaAction* action, int level)
|
|
{
|
|
char levelspace[16];
|
|
int i;
|
|
|
|
memset(levelspace, 0, sizeof(levelspace));
|
|
for(i = 0; i < level; i++) {
|
|
if (i == 14) break;
|
|
levelspace[i] = ' ';
|
|
}
|
|
|
|
printf("%sActions:\n", levelspace);
|
|
while (action) {
|
|
printf("%s Action (type %d):\n", levelspace, action->type);
|
|
if(action->trigger) {
|
|
printf("%s Trigger: \"%s\"\n", levelspace, action->trigger);
|
|
}
|
|
if(action->guard) {
|
|
printf("%s Guard: \"%s\"\n", levelspace, action->guard);
|
|
}
|
|
if(action->behavior) {
|
|
printf("%s Behavior: \"%s\"\n", levelspace, action->behavior);
|
|
}
|
|
action = action->next;
|
|
}
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_print_node(CyberiadaNode* node, int level)
|
|
{
|
|
CyberiadaNode* cur_node;
|
|
char levelspace[16];
|
|
int i;
|
|
|
|
memset(levelspace, 0, sizeof(levelspace));
|
|
for(i = 0; i < level; i++) {
|
|
if (i == 14) break;
|
|
levelspace[i] = ' ';
|
|
}
|
|
|
|
printf("%sNode {id: %s, title: \"%s\", type: %d",
|
|
levelspace, node->id, node->title, (int)node->type);
|
|
printf("}\n");
|
|
if (node->geometry_rect) {
|
|
printf("%sGeometry: (%lf, %lf, %lf, %lf)\n",
|
|
levelspace,
|
|
node->geometry_rect->x,
|
|
node->geometry_rect->y,
|
|
node->geometry_rect->width,
|
|
node->geometry_rect->height);
|
|
}
|
|
|
|
cyberiada_print_action(node->actions, level + 1);
|
|
|
|
printf("%sChildren:\n", levelspace);
|
|
for (cur_node = node->children; cur_node; cur_node = cur_node->next) {
|
|
cyberiada_print_node(cur_node, level + 1);
|
|
}
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_print_edge(CyberiadaEdge* edge)
|
|
{
|
|
CyberiadaPolyline* polyline;
|
|
printf(" Edge %s [%s %s]->[%s %s] type %d\n",
|
|
edge->id,
|
|
edge->source_id,
|
|
edge->source->type == cybNodeInitial ? "INIT" : edge->source->title,
|
|
edge->target_id,
|
|
edge->target->type == cybNodeInitial ? "INIT" : edge->target->title,
|
|
edge->type);
|
|
if (edge->color) {
|
|
printf(" Color: %s\n", edge->color);
|
|
}
|
|
printf(" Geometry: ");
|
|
if (edge->geometry_source_point && edge->geometry_target_point) {
|
|
if (edge->geometry_polyline == NULL) {
|
|
printf(" (%lf, %lf)->(%lf, %lf)\n",
|
|
edge->geometry_source_point->x,
|
|
edge->geometry_source_point->y,
|
|
edge->geometry_target_point->x,
|
|
edge->geometry_target_point->y);
|
|
} else {
|
|
printf(" (\n");
|
|
printf(" (%lf, %lf)\n",
|
|
edge->geometry_source_point->x,
|
|
edge->geometry_source_point->y);
|
|
for (polyline = edge->geometry_polyline; polyline; polyline = polyline->next) {
|
|
printf(" (%lf, %lf)\n",
|
|
polyline->point.x,
|
|
polyline->point.y);
|
|
}
|
|
printf(" (%lf, %lf)\n",
|
|
edge->geometry_target_point->x,
|
|
edge->geometry_target_point->y);
|
|
printf(" )\n");
|
|
}
|
|
}
|
|
if (edge->geometry_label) {
|
|
printf(" label: (%lf, %lf)\n",
|
|
edge->geometry_label->x,
|
|
edge->geometry_label->y);
|
|
}
|
|
|
|
cyberiada_print_action(edge->action, 2);
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
/*static int cyberiada_print_extension(CyberiadaExtension* ext)
|
|
{
|
|
printf(" Extension %s %s:\n %s\n", ext->id, ext->title, ext->data);
|
|
return CYBERIADA_NO_ERROR;
|
|
}*/
|
|
|
|
static int cyberiada_print_sm(CyberiadaSM* sm)
|
|
{
|
|
CyberiadaNode* cur_node;
|
|
CyberiadaEdge* cur_edge;
|
|
/*CyberiadaExtension* cur_ext;*/
|
|
|
|
printf("State Machine\n");
|
|
|
|
printf("Nodes:\n");
|
|
for (cur_node = sm->nodes; cur_node; cur_node = cur_node->next) {
|
|
cyberiada_print_node(cur_node, 0);
|
|
}
|
|
printf("\n");
|
|
|
|
printf("Edges:\n");
|
|
for (cur_edge = sm->edges; cur_edge; cur_edge = cur_edge->next) {
|
|
cyberiada_print_edge(cur_edge);
|
|
}
|
|
printf("\n");
|
|
|
|
/*if (sm->extensions) {
|
|
printf("Extensions:\n");
|
|
for (cur_ext = sm->extensions; cur_ext; cur_ext = cur_ext->next) {
|
|
cyberiada_print_extension(cur_ext);
|
|
}
|
|
printf("\n");
|
|
}*/
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
int cyberiada_print_sm_document(CyberiadaDocument* doc)
|
|
{
|
|
CyberiadaSM* sm;
|
|
|
|
printf("\nDocument:\n");
|
|
cyberiada_print_meta(doc->meta_info);
|
|
|
|
for (sm = doc->state_machines; sm; sm = sm->next) {
|
|
cyberiada_print_sm(sm);
|
|
}
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
#define INDENT_STR " "
|
|
#define XML_WRITE_OPEN_E(w, e) if ((res = xmlTextWriterStartElement(w, (const xmlChar *)e)) < 0) { \
|
|
fprintf(stderr, "xml open element error %d at %s:%d", res, __FILE__, __LINE__); \
|
|
return CYBERIADA_XML_ERROR; \
|
|
}
|
|
#define XML_WRITE_OPEN_E_I(w, e, indent) xmlTextWriterWriteRaw(w, (const xmlChar *)"\n"); \
|
|
for (size_t _i = 0; _i < indent; _i++) { \
|
|
xmlTextWriterWriteRaw(w, (const xmlChar *)INDENT_STR); \
|
|
} \
|
|
if ((res = xmlTextWriterStartElement(w, (const xmlChar *)e)) < 0) { \
|
|
fprintf(stderr, "xml open element error %d at %s:%d", res, __FILE__, __LINE__); \
|
|
return CYBERIADA_XML_ERROR; \
|
|
}
|
|
#define XML_WRITE_OPEN_E_NS_I(w, e, ns, indent) xmlTextWriterWriteRaw(w, (const xmlChar *)"\n"); \
|
|
for (size_t _i = 0; _i < indent; _i++) { \
|
|
xmlTextWriterWriteRaw(w, (const xmlChar *)INDENT_STR); \
|
|
} \
|
|
if ((res = xmlTextWriterStartElementNS(w, (const xmlChar *)ns, \
|
|
(const xmlChar *)e, NULL)) < 0) { \
|
|
fprintf(stderr, "xml open element error %d at %s:%d", res, __FILE__, __LINE__); \
|
|
return CYBERIADA_XML_ERROR; \
|
|
}
|
|
|
|
#define XML_WRITE_ATTR(w, a, v) if ((res = xmlTextWriterWriteAttribute(w, (const xmlChar *)a, \
|
|
(const xmlChar *)v)) < 0) { \
|
|
fprintf(stderr, "xml attribute error %d at %s:%d", res, __FILE__, __LINE__); \
|
|
return CYBERIADA_XML_ERROR; \
|
|
}
|
|
|
|
#define XML_WRITE_TEXT(w, txt) if ((res = xmlTextWriterWriteString(w, (const xmlChar *)txt)) < 0) { \
|
|
fprintf(stderr, "xml text error %d at %s:%d", res, __FILE__, __LINE__); \
|
|
return CYBERIADA_XML_ERROR; \
|
|
}
|
|
|
|
#define XML_WRITE_CLOSE_E(w) if ((res = xmlTextWriterEndElement(w)) < 0) { \
|
|
fprintf(stderr, "xml close element error %d at %s:%d", res, __FILE__, __LINE__); \
|
|
return CYBERIADA_XML_ERROR; \
|
|
}
|
|
#define XML_WRITE_CLOSE_E_I(w, indent) xmlTextWriterWriteRaw(w, (const xmlChar *)"\n"); \
|
|
for (size_t _i = 0; _i < indent; _i++) { \
|
|
xmlTextWriterWriteRaw(w, (const xmlChar *)INDENT_STR); \
|
|
} \
|
|
if ((res = xmlTextWriterEndElement(w)) < 0) { \
|
|
fprintf(stderr, "xml close element error %d at %s:%d", res, __FILE__, __LINE__); \
|
|
return CYBERIADA_XML_ERROR; \
|
|
}
|
|
|
|
typedef struct {
|
|
const char* attr_id;
|
|
const char* attr_for;
|
|
const char* attr_name;
|
|
const char* attr_type;
|
|
const char* attr_yfiles;
|
|
} GraphMLKey;
|
|
|
|
static int cyberiada_write_sm_document_cyberiada(CyberiadaDocument* doc, xmlTextWriterPtr writer)
|
|
{
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
#define GRAPHML_YED_NS "y"
|
|
#define GRAPHML_YED_ROOT_GRAPH_ID "G"
|
|
|
|
static const char* yed_graphml_attributes[] = {
|
|
"xmlns", "http://graphml.graphdrawing.org/xmlns",
|
|
"xmlns:java", "http://www.yworks.com/xml/yfiles-common/1.0/java",
|
|
"xmlns:sys", "http://www.yworks.com/xml/yfiles-common/markup/primitives/2.0",
|
|
"xmlns:x", "http://www.yworks.com/xml/yfiles-common/markup/2.0",
|
|
"xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance",
|
|
"xmlns:y", "http://www.yworks.com/xml/graphml",
|
|
"xmlns:yed", "http://www.yworks.com/xml/yed/3",
|
|
"yed:schemaLocation", "http://graphml.graphdrawing.org/xmlns http://www.yworks.com/xml/schema/graphml/1.1/ygraphml.xsd"
|
|
};
|
|
const size_t yed_graphml_attributes_count = (sizeof(yed_graphml_attributes) / sizeof(const char*));
|
|
|
|
#define GRAPHML_YED_KEY_GRAPH_DESCR "d0"
|
|
#define GRAPHML_YED_KEY_PORT_GRAPHICS "d1"
|
|
#define GRAPHML_YED_KEY_PORT_GEOMETRY "d2"
|
|
#define GRAPHML_YED_KEY_PORT_USER_DATA "d3"
|
|
#define GRAPHML_YED_KEY_NODE_URL "d4"
|
|
#define GRAPHML_YED_KEY_NODE_DESCR "d5"
|
|
#define GRAPHML_YED_KEY_NODE_GRAPHICS "d6"
|
|
#define GRAPHML_YED_KEY_GRAPHML_RES "d7"
|
|
#define GRAPHML_YED_KEY_EDGE_URL "d8"
|
|
#define GRAPHML_YED_KEY_EDGE_DESCR "d9"
|
|
#define GRAPHML_YED_KEY_EDGE_GRAPHICS "d10"
|
|
|
|
static int cyberiada_write_node_style_yed(xmlTextWriterPtr writer, CyberiadaNodeType type, size_t indent)
|
|
{
|
|
int res;
|
|
|
|
if (type == cybNodeCompositeState) {
|
|
XML_WRITE_OPEN_E_NS_I(writer, GRAPHML_YED_FILLNODE, GRAPHML_YED_NS, indent);
|
|
XML_WRITE_ATTR(writer, "color", "#E8EEF7");
|
|
XML_WRITE_ATTR(writer, "color2", "#B7C9E3");
|
|
XML_WRITE_ATTR(writer, "transparent", "false");
|
|
XML_WRITE_CLOSE_E(writer);
|
|
} else if (type == cybNodeInitial) {
|
|
XML_WRITE_OPEN_E_NS_I(writer, GRAPHML_YED_FILLNODE, GRAPHML_YED_NS, indent);
|
|
XML_WRITE_ATTR(writer, "color", "#333333");
|
|
XML_WRITE_ATTR(writer, "color2", "#000000");
|
|
XML_WRITE_ATTR(writer, "transparent", "false");
|
|
XML_WRITE_CLOSE_E(writer);
|
|
} else if (type == cybNodeCompositeState) {
|
|
XML_WRITE_OPEN_E_NS_I(writer, GRAPHML_YED_FILLNODE, GRAPHML_YED_NS, indent);
|
|
XML_WRITE_ATTR(writer, "color", "#F5F5F5");
|
|
XML_WRITE_ATTR(writer, "transparent", "false");
|
|
XML_WRITE_CLOSE_E(writer);
|
|
}
|
|
|
|
XML_WRITE_OPEN_E_NS_I(writer, GRAPHML_YED_BORDERSTYLENODE, GRAPHML_YED_NS, indent);
|
|
XML_WRITE_ATTR(writer, "color", "#000000");
|
|
XML_WRITE_ATTR(writer, "type", "line");
|
|
XML_WRITE_ATTR(writer, "width", "1.0");
|
|
XML_WRITE_CLOSE_E(writer);
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_write_node_title_yed(xmlTextWriterPtr writer, const char* title, size_t indent)
|
|
{
|
|
int res;
|
|
|
|
XML_WRITE_OPEN_E_NS_I(writer, GRAPHML_YED_LABELNODE, GRAPHML_YED_NS, indent);
|
|
|
|
if (*title) {
|
|
XML_WRITE_ATTR(writer, "alignment", "center");
|
|
XML_WRITE_ATTR(writer, "backgroundColor", "#EBEBEB");
|
|
XML_WRITE_ATTR(writer, "fontSize", "15");
|
|
XML_WRITE_ATTR(writer, "fontStyle", "bold");
|
|
XML_WRITE_ATTR(writer, "textColor", "#000000");
|
|
XML_WRITE_ATTR(writer, "xml:space", "preserve");
|
|
XML_WRITE_ATTR(writer, "hasLineColor", "false");
|
|
XML_WRITE_ATTR(writer, "visible", "true");
|
|
XML_WRITE_ATTR(writer, "horizontalTextPosition", "center");
|
|
XML_WRITE_ATTR(writer, "verticalTextPosition", "top");
|
|
XML_WRITE_ATTR(writer, "autoSizePolicy", "node_width");
|
|
XML_WRITE_ATTR(writer, "y", "0");
|
|
XML_WRITE_ATTR(writer, "height", "20");
|
|
XML_WRITE_ATTR(writer, "configuration", "com.yworks.entityRelationship.label.name");
|
|
XML_WRITE_ATTR(writer, "modelName", "internal");
|
|
XML_WRITE_ATTR(writer, "modelPosition", "t");
|
|
XML_WRITE_TEXT(writer, title);
|
|
}
|
|
XML_WRITE_CLOSE_E(writer);
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_write_action_text(xmlTextWriterPtr writer, CyberiadaAction* action)
|
|
{
|
|
int res;
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
|
|
while (action) {
|
|
|
|
if (*(action->trigger) || *(action->behavior) || *(action->guard)) {
|
|
if (*(action->trigger)) {
|
|
if (action->type != cybActionTransition) {
|
|
snprintf(buffer, buffer_len, "%s/", action->trigger);
|
|
} else {
|
|
if (*(action->guard)) {
|
|
snprintf(buffer, buffer_len, "%s [%s]/", action->trigger, action->guard);
|
|
} else {
|
|
snprintf(buffer, buffer_len, "%s/", action->trigger);
|
|
}
|
|
}
|
|
XML_WRITE_TEXT(writer, buffer);
|
|
if (action->next || *(action->behavior)) {
|
|
XML_WRITE_TEXT(writer, "\n");
|
|
}
|
|
} else {
|
|
if (*(action->behavior)) {
|
|
XML_WRITE_TEXT(writer, "/\n");
|
|
} else if (action->next) {
|
|
XML_WRITE_TEXT(writer, "\n");
|
|
}
|
|
}
|
|
|
|
if (*(action->behavior)) {
|
|
XML_WRITE_TEXT(writer, action->behavior);
|
|
XML_WRITE_TEXT(writer, "\n");
|
|
}
|
|
|
|
if (action->next) {
|
|
XML_WRITE_TEXT(writer, "\n");
|
|
}
|
|
}
|
|
|
|
action = action->next;
|
|
}
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_write_node_action_yed(xmlTextWriterPtr writer, CyberiadaAction* action, size_t indent)
|
|
{
|
|
int res;
|
|
|
|
XML_WRITE_OPEN_E_NS_I(writer, GRAPHML_YED_LABELNODE, GRAPHML_YED_NS, indent);
|
|
XML_WRITE_ATTR(writer, "alignment", "left");
|
|
XML_WRITE_ATTR(writer, "hasBackgroundColor", "false");
|
|
XML_WRITE_ATTR(writer, "fontSize", "12");
|
|
XML_WRITE_ATTR(writer, "fontStyle", "plain");
|
|
XML_WRITE_ATTR(writer, "textColor", "#000000");
|
|
XML_WRITE_ATTR(writer, "xml:space", "preserve");
|
|
XML_WRITE_ATTR(writer, "hasLineColor", "false");
|
|
XML_WRITE_ATTR(writer, "visible", "true");
|
|
XML_WRITE_ATTR(writer, "horizontalTextPosition", "center");
|
|
XML_WRITE_ATTR(writer, "verticalTextPosition", "bottom");
|
|
XML_WRITE_ATTR(writer, "autoSizePolicy", "node_size");
|
|
XML_WRITE_TEXT(writer, "\n");
|
|
XML_WRITE_TEXT(writer, "\n");
|
|
|
|
if (cyberiada_write_action_text(writer, action) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing node bevavior text\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
|
|
XML_WRITE_CLOSE_E(writer);
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_write_edge_action_yed(xmlTextWriterPtr writer, CyberiadaAction* action, size_t indent)
|
|
{
|
|
int res;
|
|
|
|
XML_WRITE_OPEN_E_NS_I(writer, GRAPHML_YED_EDGELABEL, GRAPHML_YED_NS, indent);
|
|
XML_WRITE_ATTR(writer, "alignment", "center");
|
|
XML_WRITE_ATTR(writer, "fontSize", "12");
|
|
XML_WRITE_ATTR(writer, "fontStyle", "plain");
|
|
XML_WRITE_ATTR(writer, "textColor", "#000000");
|
|
XML_WRITE_ATTR(writer, "backgroundColor", "#F5F5F5");
|
|
XML_WRITE_ATTR(writer, "configuration", "AutoFlippingLabel");
|
|
XML_WRITE_ATTR(writer, "distance", "2.0");
|
|
XML_WRITE_ATTR(writer, "hasLineColor", "false");
|
|
XML_WRITE_ATTR(writer, "visible", "true");
|
|
XML_WRITE_ATTR(writer, "xml:space", "preserve");
|
|
XML_WRITE_ATTR(writer, "modelName", "centered");
|
|
XML_WRITE_ATTR(writer, "modelPosition", "center");
|
|
XML_WRITE_ATTR(writer, "preferredPlacement", "center_on_edge");
|
|
|
|
if (cyberiada_write_action_text(writer, action) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing node bevavior text\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
|
|
/* <y:PreferredPlacementDescriptor angle="0.0" angleOffsetOnRightSide="0" angleReference="absolute" angleRotationOnRightSide="co" distance="-1.0" placement="center" side="on_edge" sideReference="relative_to_edge_flow" /></y:EdgeLabel>
|
|
*/
|
|
|
|
XML_WRITE_CLOSE_E(writer);
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_write_geometry_yed(xmlTextWriterPtr writer, CyberiadaRect* rect, size_t indent)
|
|
{
|
|
int res;
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
|
|
XML_WRITE_OPEN_E_NS_I(writer, GRAPHML_YED_GEOMETRYNODE, GRAPHML_YED_NS, indent);
|
|
snprintf(buffer, buffer_len, "%lf", rect->x);
|
|
XML_WRITE_ATTR(writer, GRAPHML_GEOM_X_ATTRIBUTE, buffer);
|
|
snprintf(buffer, buffer_len, "%lf", rect->y);
|
|
XML_WRITE_ATTR(writer, GRAPHML_GEOM_Y_ATTRIBUTE, buffer);
|
|
snprintf(buffer, buffer_len, "%lf", rect->width);
|
|
XML_WRITE_ATTR(writer, GRAPHML_GEOM_WIDTH_ATTRIBUTE, buffer);
|
|
snprintf(buffer, buffer_len, "%lf", rect->height);
|
|
XML_WRITE_ATTR(writer, GRAPHML_GEOM_HEIGHT_ATTRIBUTE, buffer);
|
|
XML_WRITE_CLOSE_E(writer);
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_write_node_yed(xmlTextWriterPtr writer, CyberiadaNode* node, size_t indent)
|
|
{
|
|
int res;
|
|
CyberiadaNode* cur_node;
|
|
const char* text;
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
|
|
if (node->type == cybNodeSM) {
|
|
|
|
for (cur_node = node->children; cur_node; cur_node = cur_node->next) {
|
|
res = cyberiada_write_node_yed(writer, cur_node, indent);
|
|
if (res != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing root node %s\n", cur_node->id);
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
}
|
|
|
|
} else {
|
|
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_NODE_ELEMENT, indent);
|
|
XML_WRITE_ATTR(writer, GRAPHML_ID_ATTRIBUTE, node->id);
|
|
|
|
if (node->type == cybNodeInitial) {
|
|
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_DATA_ELEMENT, indent + 1);
|
|
XML_WRITE_ATTR(writer, GRAPHML_KEY_ATTRIBUTE, GRAPHML_YED_KEY_NODE_GRAPHICS);
|
|
|
|
XML_WRITE_OPEN_E_NS_I(writer, GRAPHML_YED_GENERICNODE, GRAPHML_YED_NS, indent + 2);
|
|
XML_WRITE_ATTR(writer, "configuration", GRAPHML_YED_NODE_CONFIG_START2);
|
|
|
|
if (node->geometry_rect) {
|
|
if (cyberiada_write_geometry_yed(writer, node->geometry_rect, indent + 3) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing initial node geometry\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
if (cyberiada_write_node_style_yed(writer, node->type, indent + 3) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing initial node style\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
}
|
|
|
|
if (node->title) {
|
|
if (cyberiada_write_node_title_yed(writer, node->title, indent + 3) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing initial node label\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
}
|
|
|
|
XML_WRITE_CLOSE_E_I(writer, indent + 2);
|
|
XML_WRITE_CLOSE_E_I(writer, indent + 1);
|
|
|
|
} else if (node->type == cybNodeSimpleState) {
|
|
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_DATA_ELEMENT, indent + 1);
|
|
XML_WRITE_ATTR(writer, GRAPHML_KEY_ATTRIBUTE, GRAPHML_YED_KEY_NODE_GRAPHICS);
|
|
XML_WRITE_OPEN_E_NS_I(writer, GRAPHML_YED_GENERICNODE, GRAPHML_YED_NS, indent + 2);
|
|
|
|
if (node->geometry_rect) {
|
|
if (cyberiada_write_geometry_yed(writer, node->geometry_rect, indent + 3) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing composite node geometry\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
if (cyberiada_write_node_style_yed(writer, node->type, indent + 3) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing composite node style\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
}
|
|
|
|
text = node->title;
|
|
if (!text) text = "";
|
|
if (cyberiada_write_node_title_yed(writer, text, indent + 3) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing simple node label\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
|
|
if (cyberiada_write_node_action_yed(writer, node->actions, indent + 3) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing simple node action\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
|
|
XML_WRITE_CLOSE_E_I(writer, indent + 2);
|
|
XML_WRITE_CLOSE_E_I(writer, indent + 1);
|
|
|
|
} else if (node->type == cybNodeCompositeState) {
|
|
XML_WRITE_ATTR(writer, "yfiles.foldertype", "group");
|
|
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_DATA_ELEMENT, indent + 1);
|
|
XML_WRITE_ATTR(writer, GRAPHML_KEY_ATTRIBUTE, GRAPHML_YED_KEY_NODE_DESCR);
|
|
XML_WRITE_ATTR(writer, "xml:space", "preserve");
|
|
XML_WRITE_CLOSE_E(writer);
|
|
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_DATA_ELEMENT, indent + 1);
|
|
XML_WRITE_ATTR(writer, GRAPHML_KEY_ATTRIBUTE, GRAPHML_YED_KEY_NODE_GRAPHICS);
|
|
XML_WRITE_OPEN_E_NS_I(writer, "ProxyAutoBoundsNode", GRAPHML_YED_NS, indent + 2);
|
|
XML_WRITE_OPEN_E_NS_I(writer, "Realizers", GRAPHML_YED_NS, indent + 3);
|
|
XML_WRITE_ATTR(writer, "active", "0");
|
|
XML_WRITE_OPEN_E_NS_I(writer, GRAPHML_YED_GROUPNODE, GRAPHML_YED_NS, indent + 4);
|
|
|
|
if (node->geometry_rect) {
|
|
if (cyberiada_write_geometry_yed(writer, node->geometry_rect, indent + 5) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing composite node geometry\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
if (cyberiada_write_node_style_yed(writer, node->type, indent + 5) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing composite node style\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
}
|
|
|
|
text = node->title;
|
|
if (!text) text = "";
|
|
if (cyberiada_write_node_title_yed(writer, text, indent + 5) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing composite node label\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
|
|
if (cyberiada_write_node_action_yed(writer, node->actions, indent + 5) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing composite node action\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
|
|
XML_WRITE_OPEN_E_NS_I(writer, "Shape", GRAPHML_YED_NS, indent + 5);
|
|
XML_WRITE_ATTR(writer, "type", "roundrectangle");
|
|
XML_WRITE_CLOSE_E(writer);
|
|
|
|
XML_WRITE_CLOSE_E_I(writer, indent + 4);
|
|
XML_WRITE_CLOSE_E_I(writer, indent + 3);
|
|
XML_WRITE_CLOSE_E_I(writer, indent + 2);
|
|
XML_WRITE_CLOSE_E_I(writer, indent + 1);
|
|
|
|
/* the root graph element */
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_GRAPH_ELEMENT, indent + 1);
|
|
snprintf(buffer, buffer_len, "%s:", node->id);
|
|
XML_WRITE_ATTR(writer, GRAPHML_ID_ATTRIBUTE, buffer);
|
|
XML_WRITE_ATTR(writer, GRAPHML_EDGEDEFAULT_ATTRIBUTE, GRAPHML_EDGEDEFAULT_ATTRIBUTE_VALUE);
|
|
|
|
for (cur_node = node->children; cur_node; cur_node = cur_node->next) {
|
|
res = cyberiada_write_node_yed(writer, cur_node, indent + 2);
|
|
if (res != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing node %s\n", cur_node->id);
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
}
|
|
|
|
XML_WRITE_CLOSE_E_I(writer, indent + 1);
|
|
}
|
|
|
|
XML_WRITE_CLOSE_E_I(writer, indent);
|
|
}
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static int cyberiada_write_edge_yed(xmlTextWriterPtr writer, CyberiadaEdge* edge, size_t indent)
|
|
{
|
|
int res;
|
|
char buffer[MAX_STR_LEN];
|
|
size_t buffer_len = sizeof(buffer) - 1;
|
|
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_EDGE_ELEMENT, indent);
|
|
XML_WRITE_ATTR(writer, GRAPHML_SOURCE_ATTRIBUTE, edge->source_id);
|
|
XML_WRITE_ATTR(writer, GRAPHML_TARGET_ATTRIBUTE, edge->target_id);
|
|
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_DATA_ELEMENT, indent + 1);
|
|
XML_WRITE_ATTR(writer, GRAPHML_KEY_ATTRIBUTE, GRAPHML_YED_KEY_EDGE_GRAPHICS);
|
|
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_YED_POLYLINEEDGE, indent + 2);
|
|
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_YED_PATHNODE, indent + 3);
|
|
if (edge->geometry_source_point && edge->geometry_target_point) {
|
|
snprintf(buffer, buffer_len, "%lf", edge->geometry_source_point->x);
|
|
XML_WRITE_ATTR(writer, GRAPHML_YED_GEOM_SOURCE_X_ATTRIBUTE, buffer);
|
|
snprintf(buffer, buffer_len, "%lf", edge->geometry_source_point->y);
|
|
XML_WRITE_ATTR(writer, GRAPHML_YED_GEOM_SOURCE_Y_ATTRIBUTE, buffer);
|
|
snprintf(buffer, buffer_len, "%lf", edge->geometry_target_point->x);
|
|
XML_WRITE_ATTR(writer, GRAPHML_YED_GEOM_TARGET_X_ATTRIBUTE, buffer);
|
|
snprintf(buffer, buffer_len, "%lf", edge->geometry_target_point->y);
|
|
XML_WRITE_ATTR(writer, GRAPHML_YED_GEOM_TARGET_Y_ATTRIBUTE, buffer);
|
|
} else {
|
|
XML_WRITE_ATTR(writer, GRAPHML_YED_GEOM_SOURCE_X_ATTRIBUTE, "0");
|
|
XML_WRITE_ATTR(writer, GRAPHML_YED_GEOM_SOURCE_Y_ATTRIBUTE, "0");
|
|
XML_WRITE_ATTR(writer, GRAPHML_YED_GEOM_TARGET_X_ATTRIBUTE, "0");
|
|
XML_WRITE_ATTR(writer, GRAPHML_YED_GEOM_TARGET_Y_ATTRIBUTE, "0");
|
|
}
|
|
XML_WRITE_CLOSE_E(writer);
|
|
|
|
XML_WRITE_OPEN_E_NS_I(writer, GRAPHML_YED_LINESTYLENODE, GRAPHML_YED_NS, indent + 3);
|
|
XML_WRITE_ATTR(writer, "color", "#000000");
|
|
XML_WRITE_ATTR(writer, "type", "line");
|
|
XML_WRITE_ATTR(writer, "width", "1.0");
|
|
XML_WRITE_CLOSE_E(writer);
|
|
|
|
XML_WRITE_OPEN_E_NS_I(writer, "Arrows", GRAPHML_YED_NS, indent + 3);
|
|
XML_WRITE_ATTR(writer, "source", "none");
|
|
XML_WRITE_ATTR(writer, "target", "standard");
|
|
XML_WRITE_CLOSE_E(writer);
|
|
|
|
if (cyberiada_write_edge_action_yed(writer, edge->action, indent + 3) != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing edge action\n");
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
|
|
XML_WRITE_CLOSE_E_I(writer, indent + 2);
|
|
XML_WRITE_CLOSE_E_I(writer, indent + 1);
|
|
XML_WRITE_CLOSE_E_I(writer, indent);
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
static GraphMLKey yed_graphml_keys[] = {
|
|
{ GRAPHML_YED_KEY_GRAPH_DESCR, GRAPHML_GRAPH_ELEMENT, "description", "string", NULL },
|
|
{ GRAPHML_YED_KEY_PORT_GRAPHICS, GRAPHML_PORT_ATTRIBUTE, NULL, NULL, "portgraphics" },
|
|
{ GRAPHML_YED_KEY_PORT_GEOMETRY, GRAPHML_PORT_ATTRIBUTE, NULL, NULL, "portgeometry" },
|
|
{ GRAPHML_YED_KEY_PORT_USER_DATA, GRAPHML_PORT_ATTRIBUTE, NULL, NULL, "portuserdata" },
|
|
{ GRAPHML_YED_KEY_NODE_URL, GRAPHML_NODE_ELEMENT, "url", "string", NULL },
|
|
{ GRAPHML_YED_KEY_NODE_DESCR, GRAPHML_NODE_ELEMENT, "description", "string", NULL },
|
|
{ GRAPHML_YED_KEY_NODE_GRAPHICS, GRAPHML_NODE_ELEMENT, NULL, NULL, "nodegraphics" },
|
|
{ GRAPHML_YED_KEY_GRAPHML_RES, GRAPHML_GRAPHML_ELEMENT, NULL, NULL, "resources" },
|
|
{ GRAPHML_YED_KEY_EDGE_URL, GRAPHML_EDGE_ELEMENT, "url", "string", NULL },
|
|
{ GRAPHML_YED_KEY_EDGE_DESCR, GRAPHML_EDGE_ELEMENT, "description", "string", NULL },
|
|
{ GRAPHML_YED_KEY_EDGE_GRAPHICS, GRAPHML_EDGE_ELEMENT, NULL, NULL, "edgegraphics" }
|
|
};
|
|
const size_t yed_graphml_keys_count = sizeof(yed_graphml_keys) / sizeof(GraphMLKey);
|
|
|
|
static int cyberiada_write_sm_document_yed(CyberiadaDocument* doc, xmlTextWriterPtr writer)
|
|
{
|
|
size_t i;
|
|
int res;
|
|
GraphMLKey* key;
|
|
CyberiadaNode* cur_node;
|
|
CyberiadaEdge* cur_edge;
|
|
CyberiadaSM* sm = doc->state_machines;
|
|
|
|
XML_WRITE_OPEN_E(writer, GRAPHML_GRAPHML_ELEMENT);
|
|
|
|
/* add YED graphml attributes */
|
|
for (i = 0; i < yed_graphml_attributes_count; i += 2) {
|
|
XML_WRITE_ATTR(writer, yed_graphml_attributes[i], yed_graphml_attributes[i + 1]);
|
|
}
|
|
/* add scheme name if it is available */
|
|
if (doc->meta_info && doc->meta_info->name && *doc->meta_info->name) {
|
|
XML_WRITE_ATTR(writer, GRAPHML_BERLOGA_SCHEMENAME_ATTR, doc->meta_info->name);
|
|
}
|
|
|
|
/* write graphml keys */
|
|
for (i = 0; i < yed_graphml_keys_count; i++) {
|
|
key = yed_graphml_keys + i;
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_KEY_ELEMENT, 1);
|
|
XML_WRITE_ATTR(writer, GRAPHML_ID_ATTRIBUTE, key->attr_id);
|
|
XML_WRITE_ATTR(writer, GRAPHML_FOR_ATTRIBUTE, key->attr_for);
|
|
if (key->attr_name && key->attr_type) {
|
|
XML_WRITE_ATTR(writer, GRAPHML_ATTR_NAME_ATTRIBUTE, key->attr_name);
|
|
XML_WRITE_ATTR(writer, GRAPHML_ATTR_TYPE_ATTRIBUTE, key->attr_type);
|
|
}
|
|
if (key->attr_yfiles) {
|
|
XML_WRITE_ATTR(writer, GRAPHML_YED_YFILES_TYPE_ATTR, key->attr_yfiles);
|
|
}
|
|
XML_WRITE_CLOSE_E(writer);
|
|
}
|
|
|
|
/* the root graph element */
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_GRAPH_ELEMENT, 1);
|
|
XML_WRITE_ATTR(writer, GRAPHML_ID_ATTRIBUTE, GRAPHML_YED_ROOT_GRAPH_ID);
|
|
XML_WRITE_ATTR(writer, GRAPHML_EDGEDEFAULT_ATTRIBUTE, GRAPHML_EDGEDEFAULT_ATTRIBUTE_VALUE);
|
|
|
|
XML_WRITE_OPEN_E_I(writer, GRAPHML_DATA_ELEMENT, 2);
|
|
XML_WRITE_ATTR(writer, GRAPHML_KEY_ATTRIBUTE, GRAPHML_YED_KEY_GRAPH_DESCR);
|
|
XML_WRITE_ATTR(writer, "xml:space", "preserve");
|
|
XML_WRITE_CLOSE_E(writer);
|
|
|
|
/* write nodes */
|
|
for (cur_node = sm->nodes; cur_node; cur_node = cur_node->next) {
|
|
res = cyberiada_write_node_yed(writer, cur_node, 2);
|
|
if (res != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing node %s\n", cur_node->id);
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
}
|
|
|
|
/* write edges */
|
|
for (cur_edge = sm->edges; cur_edge; cur_edge = cur_edge->next) {
|
|
res = cyberiada_write_edge_yed(writer, cur_edge, 2);
|
|
if (res != CYBERIADA_NO_ERROR) {
|
|
ERROR("error while writing edge %s\n", cur_edge->id);
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
}
|
|
|
|
XML_WRITE_CLOSE_E_I(writer, 1);
|
|
XML_WRITE_CLOSE_E_I(writer, 0);
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|
|
|
|
int cyberiada_write_sm_document(CyberiadaDocument* doc, const char* filename, CyberiadaXMLFormat format)
|
|
{
|
|
xmlTextWriterPtr writer;
|
|
int res;
|
|
|
|
if (format != cybxmlYED) {
|
|
ERROR("unsupported SM format for write: %d\n", format);
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
|
|
if (!doc) {
|
|
ERROR("empty SM document to write\n");
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
|
|
writer = xmlNewTextWriterFilename(filename, 0);
|
|
if (!writer) {
|
|
ERROR("cannot open xml writter for file %s\n", filename);
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
|
|
res = xmlTextWriterStartDocument(writer, NULL, GRAPHML_XML_ENCODING, NULL);
|
|
if (res < 0) {
|
|
ERROR("error writing xml start document: %d\n", res);
|
|
xmlFreeTextWriter(writer);
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
|
|
if (format == cybxmlYED) {
|
|
if (!doc->state_machines || doc->state_machines->next) {
|
|
ERROR("YED format supports only single SM documents\n");
|
|
xmlFreeTextWriter(writer);
|
|
return CYBERIADA_BAD_PARAMETER;
|
|
}
|
|
res = cyberiada_write_sm_document_yed(doc, writer);
|
|
} else if (format == cybxmlCyberiada) {
|
|
res = cyberiada_write_sm_document_cyberiada(doc, writer);
|
|
}
|
|
if (res != CYBERIADA_NO_ERROR) {
|
|
ERROR("error writing xml %d\n", res);
|
|
xmlFreeTextWriter(writer);
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
|
|
res = xmlTextWriterEndDocument(writer);
|
|
if (res < 0) {
|
|
ERROR("error writing xml end document: %d\n", res);
|
|
xmlFreeTextWriter(writer);
|
|
return CYBERIADA_XML_ERROR;
|
|
}
|
|
|
|
xmlFreeTextWriter(writer);
|
|
|
|
return CYBERIADA_NO_ERROR;
|
|
}
|