gem-graph-server/src/parsing.c

334 lines
12 KiB
C

//=-------------------------------------------------------------------------=//
// XML parsing module //
// //
// Copyright © 2021 The Gem-graph Project //
// //
// This file is part of gem-graph. //
// //
// This program is free software: you can redistribute it and/or modify //
// it under the terms of the GNU Affero 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 Affero General Public License for more details. //
// //
// You should have received a copy of the GNU Affero General Public License //
// along with this program. If not, see <https://www.gnu.org/licenses/>. //
//=-------------------------------------------------------------------------=//
#include "../include/parsing.h"
#include "../include/model.h"
// -------------------------------------------------------------------------- //
// Parsing NOTHING (but yeah that prints) //
// -------------------------------------------------------------------------- //
int parseStubFieldXML (xmlDocPtr doc,
ModelParserTableXML_t *ModelTable,
int currentParser,
xmlNodePtr currentNode)
{
xmlChar *content, *contentText, *contentValueAttribute;
contentText = xmlNodeListGetString(doc, currentNode->xmlChildrenNode, 1);
contentValueAttribute = xmlGetProp(currentNode,
(xmlChar*)"value");
if (contentText) {
content = contentText;
} else if (contentValueAttribute) {
content = contentValueAttribute;
// Detect children
if (currentNode->xmlChildrenNode) {
printLog("%s (stub) has children\n",
ModelTable->table[currentParser].tag);
}
}
printLog("%s (stub): %s\n", ModelTable->table[currentParser].tag,
content);
if (!content) {
xmlFree(contentText);
xmlFree(contentValueAttribute);
return -1;
}
xmlFree(contentText);
xmlFree(contentValueAttribute);
return 0;
}
// -------------------------------------------------------------------------- //
// Parsing a text field //
// -------------------------------------------------------------------------- //
int parseTextFieldXML (xmlDocPtr doc,
ModelParserTableXML_t *ModelTable,
int currentParser,
xmlNodePtr currentNode)
{
xmlChar *content, *contentText, *contentValueAttribute;
char *destination = (char*)ModelTable->table[currentParser].destination;
contentText = xmlNodeListGetString(doc, currentNode->xmlChildrenNode, 1);
contentValueAttribute = xmlGetProp(currentNode,
(xmlChar*)"value");
if (contentText) {
content = contentText;
} else if (contentValueAttribute) {
content = contentValueAttribute;
// Detect children
if (currentNode->xmlChildrenNode) {
printLog("%s has children\n", ModelTable->table[currentParser].tag);
}
}
printLog("%s: %s\n", ModelTable->table[currentParser].tag,
content);
if (!content) {
xmlFree(contentText);
xmlFree(contentValueAttribute);
return -1;
}
strcat(destination, " ");
strncpy(destination + strlen(destination),
(char *)content, MODEL_STRING_SIZE - strlen(destination));
xmlFree(contentText);
xmlFree(contentValueAttribute);
return 0;
}
// -------------------------------------------------------------------------- //
// Parsing an integer field //
// -------------------------------------------------------------------------- //
int parseIntFieldXML (xmlDocPtr doc,
ModelParserTableXML_t *ModelTable,
int currentParser,
xmlNodePtr currentNode)
{
xmlChar *content, *contentText, *contentValueAttribute;
int *destination = (int*)ModelTable->table[currentParser].destination;
contentText = xmlNodeListGetString(doc, currentNode->xmlChildrenNode, 1);
contentValueAttribute = xmlGetProp(currentNode,
(xmlChar*)"value");
if (contentText) {
content = contentText;
} else if (contentValueAttribute) {
content = contentValueAttribute;
// Detect children
if (currentNode->xmlChildrenNode) {
printLog("%s has children\n", ModelTable->table[currentParser].tag);
}
}
printLog("%s: %s\n", ModelTable->table[currentParser].tag,
content);
if (!content) {
xmlFree(contentText);
xmlFree(contentValueAttribute);
return -1;
}
*destination = (int)atoi((char*)content);
xmlFree(content);
return 0;
}
// -------------------------------------------------------------------------- //
// Parsing a field that contains children fields //
// -------------------------------------------------------------------------- //
int parseParentFieldXML (xmlDocPtr doc,
ModelParserTableXML_t *ModelTable,
int currentParser,
xmlNodePtr currentNode)
{
printLog("%s parsed\n",
ModelTable->table[currentParser].tag);
// Getting children content
currentNode = currentNode->xmlChildrenNode;
while (currentNode != NULL) {
for (int i = 0; i < ModelTable->len; i++) {
if ((!xmlStrcmp(currentNode->name,
ModelTable->table[i].tag))) {
ModelTable->table[i].parse(doc,
ModelTable,
i,
currentNode);
break;
}
}
currentNode = currentNode->next;
}
return 0;
}
// -------------------------------------------------------------------------- //
// Parsing a field that contains children fields with props //
// -------------------------------------------------------------------------- //
int parseParentFieldPropsXML (xmlDocPtr doc,
ModelParserTableXML_t *ModelTable,
int currentParser,
xmlNodePtr currentNode)
{
xmlChar *id, *date, *author;
// (truc*)destination = (truc*)ModelTable->table[currentParser].destination;
// Getting field identity
id = xmlGetProp(currentNode, (xmlChar*)"id");
date = xmlGetProp(currentNode, (xmlChar*)"date");
author = xmlGetProp(currentNode, (xmlChar*)"author");
printLog("%s parsed (id=%s, date=%s, author=%s)\n",
ModelTable->table[currentParser].tag, id, date, author);
// Getting children content
currentNode = currentNode->xmlChildrenNode;
while (currentNode != NULL) {
for (int i = 0; i < ModelTable->len; i++) {
if ((!xmlStrcmp(currentNode->name,
ModelTable->table[i].tag))) {
ModelTable->table[i].parse(doc,
ModelTable,
i,
currentNode);
break;
}
}
currentNode = currentNode->next;
}
return 0;
}
// -------------------------------------------------------------------------- //
// Parsing a model file //
// -------------------------------------------------------------------------- //
int ParseModelXML(Model_t *model)
{
ParserTableXML_t table[] =
{
// IDENTITY
{(const xmlChar *)"identity", parseParentFieldXML, model},
{(const xmlChar *)"name", parseTextFieldXML, model->name},
{(const xmlChar *)"owner", parseTextFieldXML, model->owner},
// TODO lacking implementation (model side)
{(const xmlChar *)"owner_id", parseStubFieldXML, model->owner_id},
{(const xmlChar *)"date", parseIntFieldXML, &model->date},
{(const xmlChar *)"version", parseTextFieldXML, model->version},
// PARAMETERS
{(const xmlChar *)"parameters", parseParentFieldPropsXML, model},
// MODELIZATION
{(const xmlChar *)"modelization", parseParentFieldXML, model},
{(const xmlChar *)"max_thread", parseStubFieldXML, model},
{(const xmlChar *)"max_cycles", parseStubFieldXML, model},
// SPACE
{(const xmlChar *)"space_param", parseParentFieldXML, model},
{(const xmlChar *)"dimension", parseStubFieldXML, model},
{(const xmlChar *)"size", parseStubFieldXML, model},
{(const xmlChar *)"site_multiplicity", parseStubFieldXML, model},
// TODO lacking implementation (model side)
{(const xmlChar *)"boundaries", parseStubFieldXML, model},
// OBJECTS
{(const xmlChar *)"objects", parseParentFieldXML, model},
{(const xmlChar *)"object", parseParentFieldPropsXML, model},
// SPACE
{(const xmlChar *)"space", parseParentFieldPropsXML, model},
// SAVESTATES
{(const xmlChar *)"savestates", parseParentFieldPropsXML, model},
// TRANSITIONS
{(const xmlChar *)"transitions", parseParentFieldPropsXML, model},
// TRANSITION
// TODO probability
{(const xmlChar *)"transition", parseParentFieldPropsXML, model},
{(const xmlChar *)"if", parseParentFieldXML, model},
{(const xmlChar *)"then", parseParentFieldXML, model},
// ARROW
{(const xmlChar *)"arrow", parseStubFieldXML, model},
// REF
{(const xmlChar *)"ref", parseStubFieldXML, model},
// QUOTE
{(const xmlChar *)"quote", parseStubFieldXML, model},
};
ModelParserTableXML_t modelParserTable =
{
LEN(table),
&table[0]
};
printLog("Parsing model %s\n", model->name);
xmlDocPtr xmlDocument;
xmlNodePtr currentNode;
xmlDocument = xmlParseFile(model->filename);
if (xmlDocument == NULL) {
printLog("Can't parse model file at '%s'.\n", model->filename);
return -1;
}
currentNode = xmlDocGetRootElement(xmlDocument);
if (currentNode == NULL) {
printLog("Invalid model file at '%s', document empty !\n",
model->filename);
xmlFreeDoc(xmlDocument);
return -2;
}
if (xmlStrcmp(currentNode->name, (const xmlChar *) "gem-graph-model")) {
printLog("Invalid model file at '%s', "
"root node is not <gem-graph-model> !\n",
model->filename);
xmlFreeDoc(xmlDocument);
return -3;
}
currentNode = currentNode->xmlChildrenNode;
while (currentNode != NULL) {
for (int i = 0; i < modelParserTable.len; i++) {
if ((!xmlStrcmp(currentNode->name,
modelParserTable.table[i].tag))) {
modelParserTable.table[i].parse(xmlDocument,
&modelParserTable,
i,
currentNode);
}
}
currentNode = currentNode->next;
}
xmlFreeDoc(xmlDocument);
// validate when we're finished
model->validated = true;
return 0;
}