forked from github/server
148 lines
3.9 KiB
C
148 lines
3.9 KiB
C
/*
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+-------------------+ Christian Schlittchen <corwin@amber.kn-bremen.de>
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| | Enno Rehling <enno@eressea.de>
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| Eressea PBEM host | Katja Zedel <katze@felidae.kn-bremen.de>
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| (c) 1998 - 2003 | Henning Peters <faroul@beyond.kn-bremen.de>
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| | Ingo Wilken <Ingo.Wilken@informatik.uni-oldenburg.de>
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+-------------------+ Stefan Reich <reich@halbling.de>
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This program may not be used, modified or distributed
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without prior permission by the authors of Eressea.
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*/
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#include <platform.h>
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#include "xml.h"
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/* util includes */
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#include "log.h"
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#include "assert.h"
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#ifdef USE_LIBXML2
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#include <libxml/catalog.h>
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#include <libxml/xmlstring.h>
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#endif
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/* libc includes */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#ifdef USE_LIBXML2
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int xml_ivalue(xmlNodePtr node, const char *name, int dflt)
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{
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int i = dflt;
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xmlChar *propValue = xmlGetProp(node, BAD_CAST name);
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if (propValue != NULL) {
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i = atoi((const char *)propValue);
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xmlFree(propValue);
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}
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return i;
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}
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bool xml_bvalue(xmlNodePtr node, const char *name, bool dflt)
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{
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bool result = dflt;
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xmlChar *propValue = xmlGetProp(node, BAD_CAST name);
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if (propValue != NULL) {
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if (strcmp((const char *)propValue, "no") == 0)
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result = false;
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else if (strcmp((const char *)propValue, "yes") == 0)
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result = true;
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else if (strcmp((const char *)propValue, "false") == 0)
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result = false;
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else if (strcmp((const char *)propValue, "true") == 0)
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result = true;
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else if (strcmp((const char *)propValue, "1") == 0) {
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log_warning("bool value is '1': %s::%s\n", node->name, name);
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result = true;
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}
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else if (strcmp((const char *)propValue, "0") == 0) {
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log_warning("bool value is '0': %s::%s\n", node->name, name);
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result = false;
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}
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xmlFree(propValue);
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}
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return result;
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}
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double xml_fvalue(xmlNodePtr node, const char *name, double dflt)
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{
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double result = dflt;
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xmlChar *propValue = xmlGetProp(node, BAD_CAST name);
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if (propValue != NULL) {
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result = atof((const char *)propValue);
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xmlFree(propValue);
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}
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return result;
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}
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/* new xml functions */
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/* libxml includes */
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#include <libxml/tree.h>
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#include <libxml/parser.h>
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#include <libxml/xinclude.h>
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typedef struct xml_reader {
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struct xml_reader *next;
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xml_callback callback;
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} xml_reader;
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static xml_reader *xmlReaders;
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void xml_done(void) {
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xml_reader ** xrp = &xmlReaders;
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while (*xrp) {
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xml_reader *xr = *xrp;
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*xrp = xr->next;
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free(xr);
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}
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}
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void xml_register_callback(xml_callback callback)
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{
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xml_reader *reader = (xml_reader *)malloc(sizeof(xml_reader));
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xml_reader **insert = &xmlReaders;
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assert_alloc(reader);
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reader->callback = callback;
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reader->next = NULL;
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while (*insert)
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insert = &(*insert)->next;
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*insert = reader;
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}
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#endif
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int read_xml(const char *filename, const char *catalog)
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{
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#ifdef USE_LIBXML2
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xml_reader *reader = xmlReaders;
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xmlDocPtr doc;
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int result;
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if (catalog) {
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xmlLoadCatalog(catalog);
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}
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doc = xmlReadFile(filename, NULL, XML_PARSE_XINCLUDE | XML_PARSE_NONET | XML_PARSE_PEDANTIC | XML_PARSE_COMPACT);
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if (doc == NULL) {
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log_error("could not open '%s'\n", filename);
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return -1;
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}
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result = xmlXIncludeProcessFlags(doc, XML_PARSE_XINCLUDE | XML_PARSE_NONET | XML_PARSE_PEDANTIC | XML_PARSE_COMPACT);
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if (result >= 0) {
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while (reader != NULL) {
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int i = reader->callback(doc);
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if (i != 0) {
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return i;
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}
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reader = reader->next;
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}
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result = 0;
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}
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xmlFreeDoc(doc);
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return result;
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#else
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log_error("LIBXML2 disabled, cannot read %s.\n", filename);
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return -1;
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#endif
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}
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