145 lines
4.5 KiB
C
145 lines
4.5 KiB
C
//=-------------------------------------------------------------------------=//
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// XML management tools //
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// //
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// Copyright © 2021 The Gem-graph Project //
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// //
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// This file is part of gem-graph. //
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// //
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// This program is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU Affero General Public License as //
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// published by the Free Software Foundation, either version 3 of the //
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// License, or (at your option) any later version. //
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// //
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// This program is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU Affero General Public License for more details. //
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// //
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// You should have received a copy of the GNU Affero General Public License //
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// along with this program. If not, see <https://www.gnu.org/licenses/>. //
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//=-------------------------------------------------------------------------=//
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#ifndef BASE_H
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#include "../include/base.h"
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#endif
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#include <string.h>
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#include <stdlib.h>
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#include <libxml2/libxml/xmlmemory.h>
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#include <libxml2/libxml/parser.h>
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static xmlDocPtr currentDocument = NULL;
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static xmlNodePtr currentDocumentRoot = NULL;
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void openCurrentDocument(const char *filename)
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{
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currentDocument = xmlParseFile(filename);
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if (currentDocument == NULL ) {
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printLog("%s not parsed successfully.\n", filename);
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xmlFreeDoc(currentDocument);
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currentDocument = NULL;
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return;
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}
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currentDocumentRoot = xmlDocGetRootElement(currentDocument);
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if (currentDocumentRoot == NULL ) {
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printLog("%s is invalid (no root)\n", filename);
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xmlFreeDoc(currentDocument);
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currentDocument = NULL;
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currentDocumentRoot = NULL;
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return;
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}
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}
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void closeCurrentDocument(void)
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{
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xmlFreeDoc(currentDocument);
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currentDocumentRoot = NULL;
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currentDocument = NULL;
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}
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static void resetDocumentRoot(void)
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{
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currentDocumentRoot = xmlDocGetRootElement(currentDocument);
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}
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int parseTag(const char* tagName, char *destination, char destSize)
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{
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char *curString;
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char res = 0;
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xmlNodePtr cur = currentDocumentRoot;
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//printLog("Asked for %s\n", tagName);
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while (cur != NULL) {
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if ((!xmlStrcmp(cur->name, (const xmlChar *)tagName))) {
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curString = (char*)xmlNodeListGetString(currentDocument,
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cur->xmlChildrenNode, 1);
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if (curString[0] != '\n' && destination) {
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snprintf(destination, destSize, "%s\n", curString);
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res++;
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}
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free(curString);
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}
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cur = cur->next;
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}
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return res;
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}
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xmlNodePtr findRoot(const char *tagName, xmlNodePtr curRoot)
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{
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xmlNodePtr cur = curRoot;
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xmlNodePtr recur;
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//printLog("Asked for %s\n", tagName);
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while (cur != NULL) {
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if ((!xmlStrcmp(cur->name, (const xmlChar *)tagName))){
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currentDocumentRoot = cur;
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return cur;
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}
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if (cur->xmlChildrenNode) {
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if ((recur = findRoot(tagName, cur->xmlChildrenNode) != NULL))
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return recur;
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}
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cur = cur->next;
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}
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return NULL;
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}
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int parseTree(ModelField_t *tree)
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{
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ModelField_t *curTree;
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char tempString[50];
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curTree = tree;
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while (curTree) {
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//printLog("Asked for %s\n", curTree->id);
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if ((findRoot(curTree->id, currentDocumentRoot)) == NULL)
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return EBADF;
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bzero(tempString, sizeof(tempString));
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if ((parseTag(curTree->id, tempString, sizeof(tempString)) == 0
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&& curTree->value))
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return EBADF;
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if (!(tempString[0] == '\0')) {
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printLog("Field %s: %s", curTree->id, tempString);
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}
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if (curTree->son)
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parseTree(curTree->son);
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curTree = curTree->next;
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}
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return 0;
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}
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