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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ * saxparser.cc
+ *
+ * Tue Jul 22 16:26:22 CEST 2008
+ * Copyright 2008 Bent Bisballe Nyeng
+ * deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ * This file is part of DrumGizmo.
+ *
+ * DrumGizmo 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.
+ *
+ * DrumGizmo 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 DrumGizmo; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+#include "saxparser.h"
+
+static void character_hndl(void *p, const XML_Char *s, int len)
+{
+ SAXParser *parser = (SAXParser*)XML_GetUserData(p);
+ std::string chars;
+ chars.append(s, len);
+ parser->characterData(chars);
+}
+
+static void start_hndl(void *p, const char *el, const char **attr)
+{
+ SAXParser *parser = (SAXParser*)XML_GetUserData(p);
+
+ // Convert to comfy C++ values...
+ std::string name = el;
+ std::map< std::string, std::string > attributes;
+
+ while(*attr) {
+ std::string at_name = *attr;
+ attr++;
+ std::string at_value = *attr;
+ attr++;
+
+ attributes.insert(make_pair(at_name, at_value));
+ }
+
+ parser->startTag(name, attributes);
+}
+
+static void end_hndl(void *p, const char *el)
+{
+ SAXParser *parser = (SAXParser*)XML_GetUserData(p);
+ std::string name = el;
+ parser->endTag(name);
+}
+
+
+SAXParser::SAXParser()
+{
+ p = XML_ParserCreate(NULL);
+ if(!p) {
+ fprintf(stderr, "Couldn't allocate memory for parser\n");
+ // throw Exception(...);
+ return;
+ }
+
+ XML_SetUserData(p, this);
+ XML_UseParserAsHandlerArg(p);
+ XML_SetElementHandler(p, start_hndl, end_hndl);
+ XML_SetCharacterDataHandler(p, character_hndl);
+}
+
+SAXParser::~SAXParser()
+{
+ XML_ParserFree(p);
+}
+
+int SAXParser::parse()
+{
+ char buf[32];
+ int len;
+
+ do {
+ len = readData(buf, sizeof(buf) - 1);
+ if (! XML_Parse(p, buf, len, len == 0)) {
+ parseError(buf, len, XML_ErrorString(XML_GetErrorCode(p)), (int)XML_GetCurrentLineNumber(p));
+ return 1;
+ }
+
+ memset(buf, 0, sizeof(buf));
+ } while(len);
+
+ return 0;
+}
+
+void SAXParser::parseError(char *buf, size_t len, std::string error, int lineno)
+{
+ fprintf(stderr, "SAXParser error at line %d: %s\n", lineno, error.c_str());
+ fprintf(stderr, "\tBuffer %u bytes: [", len);
+ if(fwrite(buf, len, 1, stderr) != len) {}
+ fprintf(stderr, "]\n");
+ fflush(stderr);
+}