our current experimental Neutrino branch

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@27 e54a6e83-5905-42d5-8d5c-058d10e6a962

lib/xmltree/xmlinterface.cpp

@@ -0,0 +1,178 @@
+/*
+ * $Header: /cvs/tuxbox/apps/dvb/zapit/src/xmlinterface.cpp,v 1.25 2004/04/07 19:33:21 thegoodguy Exp $
+ *
+ * xmlinterface for zapit - d-box2 linux project
+ *
+ * (C) 2002 by thegoodguy <thegoodguy@berlios.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <cstdio>
+#include <cstring>
+#include <cstdlib>
+
+#include <xmlinterface.h>
+
+#ifdef USE_LIBXML
+#include <libxml/xmlmemory.h>
+#include <libxml/parser.h>
+#include <libxml/parserInternals.h>
+#else  /* USE_LIBXML */
+#include <xmltok.h>
+#endif /* USE_LIBXML */
+
+
+unsigned long xmlGetNumericAttribute(const xmlNodePtr node, char *name, const int base)
+{
+	char *ptr = xmlGetAttribute(node, name);
+
+	if (!ptr)
+		return 0;
+
+	return strtoul(ptr, 0, base);
+}
+
+long xmlGetSignedNumericAttribute(const xmlNodePtr node, char *name, const int base)
+{
+	char *ptr = xmlGetAttribute(node, name);
+
+	if (!ptr)
+		return 0;
+
+	return strtol(ptr, 0, base);
+}
+
+xmlNodePtr xmlGetNextOccurence(xmlNodePtr cur, const char * s)
+{
+	while ((cur != NULL) && (strcmp(xmlGetName(cur), s) != 0))
+		cur = cur->xmlNextNode;
+	return cur;
+}
+
+
+std::string Unicode_Character_to_UTF8(const int character)
+{
+#ifdef USE_LIBXML
+	xmlChar buf[5];
+	int length = xmlCopyChar(4, buf, character);
+	return std::string((char*)buf, length);
+#else  /* USE_LIBXML */
+	char buf[XML_UTF8_ENCODE_MAX];
+	int length = XmlUtf8Encode(character, buf);
+	return std::string(buf, length);
+#endif /* USE_LIBXML */
+}
+
+#ifdef USE_LIBXML
+xmlDocPtr parseXmlFile(const char * filename)
+{
+	xmlDocPtr doc;
+	xmlNodePtr cur;
+	
+	doc = xmlParseFile(filename);
+
+	if (doc == NULL)
+	{
+		WARN("Error parsing \"%s\"", filename);
+		return NULL;
+	}
+	else
+	{
+		cur = xmlDocGetRootElement(doc);
+		if (cur == NULL)
+		{
+			WARN("Empty document\n");
+			xmlFreeDoc(doc);
+			return NULL;
+		}
+		else
+			return doc;
+	}
+}
+#else /* USE_LIBXML */
+xmlDocPtr parseXml(const char * data)
+{
+	XMLTreeParser* tree_parser;
+
+	tree_parser = new XMLTreeParser(NULL);
+
+	if (!tree_parser->Parse(data, strlen(data), true))
+	{
+		printf("Error parsing XML Data: %s at line %d\n",
+				tree_parser->ErrorString(tree_parser->GetErrorCode()),
+				tree_parser->GetCurrentLineNumber());
+
+		delete tree_parser;
+		return NULL;
+	}
+
+	if (!tree_parser->RootNode())
+	{
+		printf("Error: No Root Node\n");
+		delete tree_parser;
+		return NULL;
+	}
+	return tree_parser;
+}
+
+xmlDocPtr parseXmlFile(const char * filename)
+{
+	char buffer[2048];
+	XMLTreeParser* tree_parser;
+	size_t done;
+	size_t length;
+	FILE* xml_file;
+
+	xml_file = fopen(filename, "r");
+
+	if (xml_file == NULL)
+	{
+		perror(filename);
+		return NULL;
+	}
+
+	tree_parser = new XMLTreeParser(NULL);
+
+	do
+	{
+		length = fread(buffer, 1, sizeof(buffer), xml_file);
+		done = length < sizeof(buffer);
+
+		if (!tree_parser->Parse(buffer, length, done))
+		{
+			printf("Error parsing \"%s\": %s at line %d\n",
+			       filename,
+			       tree_parser->ErrorString(tree_parser->GetErrorCode()),
+			       tree_parser->GetCurrentLineNumber());
+
+			fclose(xml_file);
+			delete tree_parser;
+			return NULL;
+		}
+	}
+	while (!done);
+
+	fclose(xml_file);
+
+	if (!tree_parser->RootNode())
+	{
+		delete tree_parser;
+		return NULL;
+	}
+	return tree_parser;
+}
+#endif /* USE_LIBXML */