1 files changed, 251 insertions, 0 deletions
diff --git a/Src/Xml.cpp b/Src/Xml.cpp
new file mode 100644
index 0000000..44a814e
--- /dev/null
+++ b/Src/Xml.cpp
@@ -0,0 +1,251 @@
+/*
+ * Video On Demand Samples
+ *
+ * Copyright (C) 2015 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+#include "Types.h"
+#include "Xml.h"
+
+#define CHILD(x)    ( (x) ? (x)->xmlChildrenNode : NULL )
+
+
+
+
+CXml::CXml( const char *szFile )
+{
+    m_Doc = xmlReadFile( szFile, NULL, 0 );
+
+    if( NULL == m_Doc )
+        LOG("unable to open XML file\n");
+    else
+        m_bDocOpened = true;
+}
+
+
+
+CXml::CXml( const char *szBuffer, uint32_t nBufferLen )
+{
+    if( NULL == szBuffer || strlen( szBuffer ) >= nBufferLen )
+    {
+        LOG("Parameter error in constructor of memory driven CXml\n");
+    }
+    m_Doc = xmlReadMemory( szBuffer, strlen( szBuffer ), "config.xml", NULL, 0 );
+
+    if( NULL == m_Doc )
+        LOG("unable to open XML buffer\n");
+    else
+        m_bDocOpened = true;
+}
+
+
+
+
+CXml::CXml( CXml &Node ) : m_Doc( Node.m_Doc ), m_Node( Node.m_Node ), m_bDocOpened( false )
+{
+}
+
+
+
+
+
+CXml::~CXml()
+{
+    if( m_bDocOpened )
+        xmlFreeDoc( m_Doc );
+}
+
+
+
+
+
+bool CXml::SetToTopNode()
+{
+    m_Node = xmlDocGetRootElement( m_Doc );
+    m_Node = CHILD(m_Node);
+
+    return ( NULL != m_Node );
+}
+
+
+
+
+
+bool CXml::FindFirstChildNode()
+{
+    m_Node = CHILD(m_Node);
+    return ( NULL != m_Node );
+}
+
+
+
+
+
+bool CXml::FindNextNode()
+{
+    if( NULL == m_Node )
+        return false;
+
+    m_Node = m_Node->next;
+
+    return NULL != m_Node;
+}
+
+
+
+
+
+bool CXml::FindNode( const xmlChar *szTag )
+{
+    if( NULL == m_Node || NULL == szTag )
+    {
+        m_Node = NULL;
+        return false;
+    }
+
+    while( m_Node && xmlStrcmp( m_Node->name, szTag ) )        // search in all nodes
+        m_Node = m_Node->next;
+
+    return ( NULL != m_Node );
+}
+
+
+
+
+
+bool CXml::GetChildValue( const xmlChar *szTag, xmlChar *szValue, int nMaxLen )
+{
+    xmlNode *nodeMem = m_Node;
+    FindFirstChildNode();
+    FindNode( szTag );
+
+    if( NULL == m_Node )
+    {
+        m_Node = nodeMem;
+        return false;
+    }
+
+    xmlChar *szTmp = xmlNodeListGetString( m_Doc, m_Node->xmlChildrenNode, 1 );
+    m_Node = nodeMem;
+
+    if( NULL == szTmp )
+        return false;
+
+    if( xmlStrlen( szTmp ) >= nMaxLen )
+    {
+        xmlFree( szTmp );
+        return false;
+    }
+
+    memcpy( szValue, szTmp, sizeof( xmlChar ) * ( xmlStrlen( szTmp ) + 1 ) );
+    xmlFree( szTmp );
+
+    return true;
+}
+
+
+
+
+
+bool CXml::GetChildValueInt( const xmlChar *szTag, int &nValue )
+{
+    xmlNode *nodeMem = m_Node;
+    FindFirstChildNode();
+    FindNode( szTag );
+    xmlNode *node = m_Node;
+    m_Node = nodeMem;
+
+    if( NULL == node )
+    {
+        return false;
+    }
+
+    xmlChar *szVal = xmlNodeListGetString( m_Doc, node->xmlChildrenNode, 1 );
+
+    if( NULL == szVal )
+        return false;
+
+    nValue = (szVal[0] == '0' && (szVal[1] =='x' || szVal[1] =='X')) ?
+        strtol(  ( char * )szVal + 2, NULL, 16 ) :
+        atoi( ( char * )szVal );
+
+    xmlFree( szVal );
+
+    return true;
+}
+
+
+
+
+
+bool CXml::FindNodeWithValue( const xmlChar *szNodeTag, const xmlChar *szValueTag, const xmlChar *szValue )
+{
+    while( FindNode( szNodeTag ) )
+    {                           // search node fitting to NodeTag
+        xmlChar *szCmp = NULL;
+
+        if( GetChildValue( szValueTag, szCmp ) )
+        {             // get nodes value fitting to ValueTag
+            int nCmp = xmlStrcmp( szValue, szCmp );           // value fitting to compare value
+            xmlFree( szCmp );
+
+            if( 0 == nCmp )                                  // search completed?
+                break;
+        }
+
+        m_Node = m_Node->next;                              // continue with next node
+    }
+
+    return ( NULL != m_Node );
+}
+
+
+
+
+
+bool CXml::FindNodeWithValueInt( const xmlChar *szNodeTag, const xmlChar *szValueTag, int nValue )
+{
+    int nCmp;
+
+    while( FindNode( szNodeTag ) &&
+        GetChildValueInt( szValueTag, nCmp ) &&
+        nValue != nCmp )
+    {
+        FindNextNode();
+    }
+
+    return NULL !=
+        m_Node;                                  // return found node or NULL;
+}
+
+
+int CXml::ConvertToInt( xmlChar *xString )
+{
+    char *cString = ( char * )xString; //Convertion may be needed..
+    for( uint32_t i = 0; i < strlen( cString ); i++ )
+    {
+        if( cString[i] >= 65 && cString[i] <= 90 )
+        {
+            //convert upper case to lower case
+            cString[i] += 32;
+        }
+    }
+    return strtol( cString, NULL, 16 );
+}