Add XML2LPC lib/tool

Makefile.am

@@ -4,7 +4,7 @@
 ACLOCAL_AMFLAGS = -I m4 $(ACLOCAL_MACOS_FLAGS)
 
 SUBDIRS = build m4 pixmaps po @ORTP_DIR@ @MS2_DIR@ \
-		coreapi console gtk share scripts
+		coreapi console gtk share scripts tools
 
 
 

configure.ac

@@ -140,6 +140,33 @@ AC_ARG_ENABLE(console_ui,
         *) AC_MSG_ERROR(bad value ${enableval} for --enable-console_ui) ;;
       esac],[console_ui=true])
 
+dnl conditionnal build of tools.
+AC_ARG_ENABLE(tools,
+      [AS_HELP_STRING([--enable-tools=[yes/no]], [Turn on or off compilation of console interface (default=yes)])],
+      [case "${enableval}" in
+        yes) build_tools=true ;;
+        no)  build_tools=false ;;
+        *) AC_MSG_ERROR(bad value ${enableval} for --enable-tools) ;;
+      esac],[build_tools=check])
+
+dnl check libxml2 (needed for tools)
+if test "$build_tools" != "false" ; then
+	PKG_CHECK_MODULES(LIBXML2, [libxml-2.0],[],
+	[
+		if test "$build_tools" = "true" ; then
+			AC_MSG_ERROR([Could not found libxml2, tools cannot be compiled.])
+		else
+			build_tools=false
+		fi
+	])
+fi
+
+AM_CONDITIONAL(BUILD_TOOLS, test x$build_tools != xfalse)
+if test "$build_tools" != "false" ; then
+   build_tools=true
+   AC_DEFINE(BUILD_TOOLS, 1, [Define if tools enabled] ) 
+fi
+
 dnl conditionnal build of gtk interface.
 AC_ARG_ENABLE(gtk_ui,
       [AS_HELP_STRING([--enable-gtk_ui=[yes/no]], [Turn on or off compilation of gtk interface (default=yes)])],
@@ -418,8 +445,10 @@ AC_ARG_ENABLE(portaudio,
 
 dnl build console if required
 AM_CONDITIONAL(BUILD_CONSOLE, test x$console_ui = xtrue)
+
 dnl special things for arm-linux cross compilation toolchain
 AM_CONDITIONAL(ARMBUILD, test x$use_arm_toolchain = xyes)
+
 dnl compilation of gtk user interface
 AM_CONDITIONAL(BUILD_GTK_UI, [test x$gtk_ui = xtrue ] )
 AM_CONDITIONAL(BUILD_WIN32, test x$mingw_found = xyes )
@@ -642,9 +671,11 @@ share/fr/Makefile
 share/it/Makefile
 share/ja/Makefile
 share/cs/Makefile
+share/xml/Makefile
 share/linphone.pc
 share/linphone.desktop
 scripts/Makefile
+tools/Makefile
 linphone.spec
 linphone.iss
 ])
@@ -657,6 +688,7 @@ printf "* Video support\t\t\t%s\n" $video
 printf "* GTK interface\t\t\t%s\n" $gtk_ui
 printf "* Account assistant\t\t%s\n" $build_wizard
 printf "* Console interface\t\t%s\n" $console_ui
+printf "* Tools\t\t\t\t%s\n" $build_tools
 printf "* zRTP encryption (GPLv3)\t%s\n" $zrtp
 
 if test "$enable_tunnel" = "true" ; then

coreapi/lpconfig.h

@@ -25,6 +25,8 @@
 #ifndef LPCONFIG_H
 #define LPCONFIG_H
 
+#include <ortp/port.h>
+
 /**
  * The LpConfig object is used to manipulate a configuration file.
  * 

share/Makefile.am

 
-SUBDIRS=C fr it ja cs
+SUBDIRS=C fr it ja cs xml
 
 LINPHONE_SOUNDS=ringback.wav hello8000.wav hello16000.wav
 LINPHONE_RINGS=rings/orig.wav \

share/xml/Makefile.am

+EXTRA_DIST=lpconfig.xsd

share/xml/lpconfig.xsd

+<?xml version="1.0" encoding="UTF-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" 
+		targetNamespace="http://www.linphone.org/xsds/lpconfig.xsd" 
+		xmlns:tns="http://www.linphone.org/xsds/lpconfig.xsd" 
+		elementFormDefault="qualified">
+
+    <xs:element name="config" type="tns:LPConfig"></xs:element>
+
+    <xs:complexType name="LPConfig">
+    	<xs:sequence>
+    		<xs:element name="section" type="tns:LPSection" minOccurs="0" maxOccurs="unbounded"></xs:element>
+    	</xs:sequence>
+    </xs:complexType>
+    
+    <xs:complexType name="LPSection">
+    	<xs:sequence>
+    		<xs:element name="entry" type="tns:LPEntry" maxOccurs="unbounded" minOccurs="0">
+    		</xs:element>
+    	</xs:sequence>
+    	<xs:attribute name="name" use="required">
+    		<xs:simpleType>
+    			<xs:restriction base="xs:string">
+    				<xs:minLength value="1"></xs:minLength>
+    			</xs:restriction>
+    		</xs:simpleType>
+    	</xs:attribute>
+    </xs:complexType>
+
+    <xs:complexType name="LPEntry">
+    	<xs:simpleContent>
+    		<xs:extension base="xs:string">
+    			<xs:attribute name="overwrite" type="xs:boolean"
+    				use="optional" default="false">
+    			</xs:attribute>
+    			<xs:attribute name="name" use="required">
+    				<xs:simpleType>
+    					<xs:restriction base="xs:string">
+    						<xs:minLength value="1"></xs:minLength>
+    					</xs:restriction>
+    				</xs:simpleType>
+    			</xs:attribute>
+    		</xs:extension>
+    	</xs:simpleContent>
+    </xs:complexType>
+</xs:schema>

tools/Makefile.am

+## Process this file with automake to produce Makefile.in
+
+AM_CPPFLAGS=\
+	-I$(top_srcdir) \
+	-I$(top_srcdir)/coreapi \
+	-I$(top_srcdir)/exosip
+
+COMMON_CFLAGS=\
+	-DIN_LINPHONE \
+	$(LIBXML2_CFLAGS) \
+	$(ORTP_CFLAGS) \
+	$(STRICT_OPTIONS)
+
+if BUILD_TOOLS
+
+lib_LTLIBRARIES=libxml2lpc.la
+
+libxml2lpc_la_SOURCES=xml2lpc.c xml2lpc.h
+libxml2lpc_la_CFLAGS=$(COMMON_CFLAGS)
+libxml2lpc_la_LIBADD=\
+	$(LIBXML2_LIBS)
+
+bin_PROGRAMS=xml2lpc_test
+
+xml2lpc_test_SOURCES=xml2lpc_test.c
+xml2lpc_test_CFLAGS=$(COMMON_CFLAGS)
+xml2lpc_test_LDADD=$(top_builddir)/coreapi/liblinphone.la libxml2lpc.la
+
+endif
+
+

tools/xml2lpc.c

+/*
+linphone
+Copyright (C) 2012 Belledonne Communications SARL
+Yann DIORCET (yann.diorcet@linphone.org)
+
+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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+
+#include "xml2lpc.h"
+#include <string.h>
+#include <libxml/xmlreader.h>
+
+
+#define XML2LPC_BZ 2048
+
+struct _xml2lpc_context {
+	LpConfig *lpc;
+	xml2lpc_function cbf;
+	void *ctx;
+	
+	xmlDoc *doc;
+	xmlDoc *xsd;
+	char errorBuffer[XML2LPC_BZ];
+	char warningBuffer[XML2LPC_BZ];
+};
+
+
+xml2lpc_context* xml2lpc_context_new(xml2lpc_function cbf, void *ctx) {
+	xml2lpc_context *xmlCtx = (xml2lpc_context*)malloc(sizeof(xml2lpc_context));
+	if(xmlCtx != NULL) {
+		xmlCtx->lpc = NULL;
+		xmlCtx->cbf = cbf;
+		xmlCtx->ctx = ctx;
+		
+		xmlCtx->doc = NULL;
+		xmlCtx->xsd = NULL;
+		xmlCtx->errorBuffer[0]='\0';
+		xmlCtx->warningBuffer[0]='\0';
+	}
+	return xmlCtx;
+}
+
+void xml2lpc_context_destroy(xml2lpc_context *ctx) {
+	if(ctx->doc != NULL) {
+		xmlFreeDoc(ctx->doc);
+		ctx->doc = NULL;
+	}
+	if(ctx->xsd != NULL) {
+		xmlFreeDoc(ctx->xsd);
+		ctx->xsd = NULL;
+	}
+	free(ctx);
+}
+
+void xml2lpc_context_clear_logs(xml2lpc_context *ctx) {
+	ctx->errorBuffer[0]='\0';
+	ctx->warningBuffer[0]='\0';
+}
+
+void xml2lpc_log(xml2lpc_context *xmlCtx, int level, const char *fmt, ...) {
+	va_list args;	
+	va_start(args, fmt);	
+	if(xmlCtx->cbf != NULL) {
+		xmlCtx->cbf((xmlCtx)->ctx, level, fmt, args);
+	}
+ 	va_end(args);
+}
+
+void xml2lpc_genericxml_error(void *ctx, const char *fmt, ...) {	
+	xml2lpc_context *xmlCtx = (xml2lpc_context *)ctx;
+	int sl = strlen(xmlCtx->errorBuffer);
+	va_list args;	
+	va_start(args, fmt);	
+	vsnprintf(xmlCtx->errorBuffer + sl, XML2LPC_BZ-sl, fmt, args);
+	va_end(args);
+}
+
+void xml2lpc_genericxml_warning(void *ctx, const char *fmt, ...) {	
+	xml2lpc_context *xmlCtx = (xml2lpc_context *)ctx;
+	int sl = strlen(xmlCtx->warningBuffer);
+	va_list args;	
+	va_start(args, fmt);	
+	vsnprintf(xmlCtx->warningBuffer + sl, XML2LPC_BZ-sl, fmt, args);
+	va_end(args);
+}
+
+static void dumpNodes(int level, xmlNode * a_node, xml2lpc_context *ctx) {
+    xmlNode *cur_node = NULL;
+
+    for (cur_node = a_node; cur_node; cur_node = cur_node->next) {
+        if (cur_node->type == XML_ELEMENT_NODE) {
+        	xml2lpc_log(ctx, XML2LPC_DEBUG, "node level: %d type: Element, name: %s", level, cur_node->name);
+        } else {
+        	xml2lpc_log(ctx, XML2LPC_DEBUG, "node level: %d type: %d, name: %s", level, cur_node->type, cur_node->name);
+        }
+
+        dumpNodes(level + 1, cur_node->children, ctx);
+    }
+}
+
+
+static void dumpNode(xmlNode *node, xml2lpc_context *ctx) {
+        xml2lpc_log(ctx, XML2LPC_DEBUG, "node type: %d, name: %s", node->type, node->name);
+}
+
+static void dumpAttr(xmlNode *node, xml2lpc_context *ctx) {
+        xml2lpc_log(ctx, XML2LPC_DEBUG, "attr name: %s value:%s", node->name, node->children->content);
+}
+
+static void dumpContent(xmlNode *node, xml2lpc_context *ctx) {
+        xml2lpc_log(ctx, XML2LPC_DEBUG, "content: %s", node->children->content);
+}
+
+static int processEntry(xmlElement *element, const char *sectionName, xml2lpc_context *ctx) {
+	xmlNode *cur_attr = NULL;
+	const char *name = NULL;
+	const char *value = NULL;
+	bool_t overwrite = FALSE;
+
+	for (cur_attr = (xmlNode *)element->attributes; cur_attr; cur_attr = cur_attr->next) {
+		dumpAttr(cur_attr, ctx);
+		if(strcmp((const char*)cur_attr->name, "name") == 0) {
+			name = (const char*)cur_attr->children->content;
+		} else if(strcmp((const char*)cur_attr->name, "overwrite") == 0) {
+			if(strcmp((const char*)cur_attr->children->content, "true") == 0) {
+				overwrite = TRUE;
+			}
+		}
+	}
+
+	value = (const char *)element->children->content;
+	dumpContent((xmlNode *)element, ctx);
+
+	if(name != NULL) {
+		const char *str = lp_config_get_string(ctx->lpc, sectionName, name, NULL);
+		if(str == NULL || overwrite) {
+			xml2lpc_log(ctx, XML2LPC_MESSAGE, "Set %s|%s = %s",sectionName, name, value);
+			lp_config_set_string(ctx->lpc, sectionName, name, value);
+		} else {
+			xml2lpc_log(ctx, XML2LPC_MESSAGE, "Don't touch %s|%s = %s",sectionName, name, str);
+		}
+	} else {
+		xml2lpc_log(ctx, XML2LPC_WARNING, "ignored entry with no \"name\" attribute line:%d",xmlGetLineNo((xmlNode*)element));
+	}
+        return 0;
+}
+
+static int processSection(xmlElement *element, xml2lpc_context *ctx) {
+	xmlNode *cur_node = NULL;
+	xmlNode *cur_attr = NULL;
+	const char *name = NULL;
+
+	for (cur_attr = (xmlNode *)element->attributes; cur_attr; cur_attr = cur_attr->next) {
+		dumpAttr(cur_attr, ctx);
+		if(strcmp((const char*)cur_attr->name, "name") == 0) {
+			name = (const char*)cur_attr->children->content;
+		}
+	}
+
+	if(name != NULL) {
+		for (cur_node = element->children; cur_node; cur_node = cur_node->next) {
+			dumpNode(cur_node, ctx);
+			if (cur_node->type == XML_ELEMENT_NODE) {
+				if(strcmp((const char*)cur_node->name, "entry") == 0 ) {
+					processEntry((xmlElement*)cur_node, name, ctx);
+				}
+			}
+			
+		}
+        } else {
+        	xml2lpc_log(ctx, XML2LPC_WARNING, "ignored section with no \"name\" attribute, line:%d", xmlGetLineNo((xmlNode*)element));
+        }
+
+        return 0;
+}
+
+static int processConfig(xmlElement *element, xml2lpc_context *ctx) {
+	xmlNode *cur_node = NULL;
+
+	for (cur_node = element->children; cur_node; cur_node = cur_node->next) {
+		dumpNode(cur_node, ctx);
+		if (cur_node->type == XML_ELEMENT_NODE && 
+			strcmp((const char*)cur_node->name, "section") == 0 ) {
+			processSection((xmlElement*)cur_node, ctx);
+        	}
+        	
+        }
+	return 0;
+}
+
+static int processDoc(xmlNode *node, xml2lpc_context *ctx) {
+	dumpNode(node, ctx);
+	
+	if (node->type == XML_ELEMENT_NODE && 
+		strcmp((const char*)node->name, "config") == 0 ) {
+		processConfig((xmlElement*)node, ctx);
+	} else {
+		xml2lpc_log(ctx, XML2LPC_WARNING, "root element is not \"config\", line:%d", xmlGetLineNo(node));
+	}
+	return 0;
+}
+
+static int internal_convert_xml2lpc(xmlDoc *doc, xml2lpc_context *ctx) {
+	xml2lpc_log(ctx, XML2LPC_DEBUG, "Parse started");
+	xmlNode *rootNode = xmlDocGetRootElement(doc);
+	//dumpNodes(0, rootNode, cbf, ctx);
+        int ret = processDoc(rootNode, ctx);
+	xml2lpc_log(ctx, XML2LPC_DEBUG, "Parse ended ret:%d", ret);
+	return ret;
+}
+
+int xml2lpc_validate(xml2lpc_context *xmlCtx) {
+	xml2lpc_context_clear_logs(xmlCtx);
+	xmlSchemaValidCtxtPtr validCtx;
+	xmlSchemaParserCtxtPtr parserCtx = xmlSchemaNewDocParserCtxt(xmlCtx->xsd);
+	validCtx = xmlSchemaNewValidCtxt(xmlSchemaParse(parserCtx));
+	xmlSchemaSetValidErrors(validCtx, xml2lpc_genericxml_error, xml2lpc_genericxml_warning, xmlCtx);
+	int ret =  xmlSchemaValidateDoc(validCtx, xmlCtx->doc);
+	if(ret >0) {
+		xml2lpc_log(xmlCtx, XML2LPC_WARNING, "%s", xmlCtx->warningBuffer);
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "%s", xmlCtx->errorBuffer);
+	} else {
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "Internal error");
+	}
+	xmlSchemaFreeValidCtxt(validCtx);
+	return ret;
+}
+
+int xml2lpc_convert(xml2lpc_context *xmlCtx, LpConfig *lpc) {
+	xml2lpc_context_clear_logs(xmlCtx);
+	xmlCtx->lpc = lpc;
+	return internal_convert_xml2lpc(xmlCtx->doc, xmlCtx);
+}
+
+int xml2lpc_set_xml_file(xml2lpc_context* xmlCtx, const char *filename) {
+	xml2lpc_context_clear_logs(xmlCtx);
+	xmlSetGenericErrorFunc(xmlCtx, xml2lpc_genericxml_error);
+	if(xmlCtx->doc != NULL) {
+		xmlFreeDoc(xmlCtx->doc);
+		xmlCtx->doc = NULL;
+	}
+	xmlCtx->doc = xmlReadFile(filename, NULL, 0);
+	if(xmlCtx->doc == NULL) {
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "Can't open/parse file \"%s\"", filename);
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "%s", xmlCtx->errorBuffer);
+		return -1;
+	}
+	return 0;
+}
+
+int xml2lpc_set_xml_fd(xml2lpc_context* xmlCtx, int fd) {
+	xml2lpc_context_clear_logs(xmlCtx);
+	xmlSetGenericErrorFunc(xmlCtx, xml2lpc_genericxml_error);
+	if(xmlCtx->doc != NULL) {
+		xmlFreeDoc(xmlCtx->doc);
+		xmlCtx->doc = NULL;
+	}
+	xmlCtx->doc = xmlReadFd(fd, 0, NULL, 0);
+	if(xmlCtx->doc == NULL) {
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "Can't open/parse fd \"%d\"", fd);
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "%s", xmlCtx->errorBuffer);
+		return -1;
+	}
+	return 0;
+}
+
+int xml2lpc_set_xml_string(xml2lpc_context* xmlCtx, const char *content) {
+	xml2lpc_context_clear_logs(xmlCtx);
+	xmlSetGenericErrorFunc(xmlCtx, xml2lpc_genericxml_error);
+	if(xmlCtx->doc != NULL) {
+		xmlFreeDoc(xmlCtx->doc);
+		xmlCtx->doc = NULL;
+	}
+	xmlCtx->doc = xmlReadDoc((const unsigned char*)content, 0, NULL, 0);
+	if(xmlCtx->doc == NULL) {
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "Can't parse string");
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "%s", xmlCtx->errorBuffer);
+		return -1;
+	}
+	return 0;
+}
+
+int xml2lpc_set_xsd_file(xml2lpc_context* xmlCtx, const char *filename) {
+	xml2lpc_context_clear_logs(xmlCtx);
+	xmlSetGenericErrorFunc(xmlCtx, xml2lpc_genericxml_error);
+	if(xmlCtx->xsd != NULL) {
+		xmlFreeDoc(xmlCtx->xsd);
+		xmlCtx->xsd = NULL;
+	}
+	xmlCtx->xsd = xmlReadFile(filename, NULL, 0);
+	if(xmlCtx->xsd == NULL) {
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "Can't open/parse file \"%s\"", filename);
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "%s", xmlCtx->errorBuffer);
+		return -1;
+	}
+	return 0;
+}
+
+int xml2lpc_set_xsd_fd(xml2lpc_context* xmlCtx, int fd) {
+	xml2lpc_context_clear_logs(xmlCtx);
+	xmlSetGenericErrorFunc(xmlCtx, xml2lpc_genericxml_error);
+	if(xmlCtx->xsd != NULL) {
+		xmlFreeDoc(xmlCtx->xsd);
+		xmlCtx->xsd = NULL;
+	}
+	xmlCtx->xsd = xmlReadFd(fd, 0, NULL, 0);
+	if(xmlCtx->xsd == NULL) {
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "Can't open/parse fd \"%d\"", fd);
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "%s", xmlCtx->errorBuffer);
+		return -1;
+	}
+	return 0;
+}
+
+int xml2lpc_set_xsd_string(xml2lpc_context* xmlCtx, const char *content) {
+	xml2lpc_context_clear_logs(xmlCtx);
+	xmlSetGenericErrorFunc(xmlCtx, xml2lpc_genericxml_error);
+	if(xmlCtx->xsd != NULL) {
+		xmlFreeDoc(xmlCtx->xsd);
+		xmlCtx->xsd = NULL;
+	}
+	xmlCtx->xsd = xmlReadDoc((const unsigned char*)content, 0, NULL, 0);
+	if(xmlCtx->xsd == NULL) {
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "Can't parse string");
+		xml2lpc_log(xmlCtx, XML2LPC_ERROR, "%s", xmlCtx->errorBuffer);
+		return -1;
+	}
+	return 0;
+}
\ No newline at end of file

tools/xml2lpc.h

+/*
+linphone
+Copyright (C) 2012 Belledonne Communications SARL
+
+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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+
+#ifndef XML2LPC_H_
+#define XML2LPC_H_
+
+#include "lpconfig.h"
+
+typedef struct _xml2lpc_context xml2lpc_context;
+
+typedef enum _xml2lpc_log_level {
+	XML2LPC_DEBUG = 0,
+	XML2LPC_MESSAGE,
+	XML2LPC_WARNING,
+	XML2LPC_ERROR
+} xml2lpc_log_level;
+
+typedef void(*xml2lpc_function)(void *ctx, xml2lpc_log_level level, const char *fmt, va_list list);
+
+xml2lpc_context* xml2lpc_context_new(xml2lpc_function cbf, void *ctx);
+void xml2lpc_context_destroy(xml2lpc_context*);
+
+int xml2lpc_set_xml_file(xml2lpc_context* context, const char *filename);
+int xml2lpc_set_xml_fd(xml2lpc_context* context, int fd);
+int xml2lpc_set_xml_string(xml2lpc_context* context, const char *content);
+
+int xml2lpc_set_xsd_file(xml2lpc_context* context, const char *filename);
+int xml2lpc_set_xsd_fd(xml2lpc_context* context, int fd);
+int xml2lpc_set_xsd_string(xml2lpc_context* context, const char *content);
+
+int xml2lpc_validate(xml2lpc_context *context);
+int xml2lpc_convert(xml2lpc_context *context, LpConfig *lpc);
+
+
+
+#endif //XML2LPC_H_

tools/xml2lpc_test.c

+/*
+linphone
+Copyright (C) 2012 Belledonne Communications SARL
+
+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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+
+#include <stdio.h>
+#include "xml2lpc.h"
+
+void cb_function(void *ctx, xml2lpc_log_level level, const char *msg, va_list list) {
+	const char *header;
+	switch(level) {
+		case XML2LPC_DEBUG:
+			header = "DEBUG";
+			break;
+		case XML2LPC_MESSAGE:
+			header = "MESSAGE";
+			break;
+		case XML2LPC_WARNING:
+			header = "WARNING";
+			break;
+		case XML2LPC_ERROR:
+			header = "ERROR";
+			break;
+	}
+	fprintf(stdout, "%s - ", header);
+	vfprintf(stdout, msg, list);
+	fprintf(stdout, "\n");
+}
+
+void show_usage(int argc, char *argv[]) {
+	fprintf(stderr, "usage %s convert <xml_file> <lpc_file>\n"
+			"      %s validate <xml_file> <xsd_file>\n",