adding xml writer

1 files changed, 175 insertions, 0 deletions

diff --git a/src/KM_xml.cpp b/src/KM_xml.cpp
new file mode 100644
index 0000000..794e2e7
--- /dev/null
+++ b/src/KM_xml.cpp
@@ -0,0 +1,175 @@
+/*
+Copyright (c) 2005-2006, John Hurst
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+3. The name of the author may not be used to endorse or promote products
+   derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/*! \file    KM_xml.cpp
+    \version $Id$
+    \brief   XML writer
+*/
+
+#include <KM_xml.h>
+
+
+
+Kumu::XMLElement::XMLElement(const char* name)
+{
+  m_Name = name;
+}
+
+Kumu::XMLElement::~XMLElement()
+{
+  for ( Elem_i i = m_ChildList.begin(); i != m_ChildList.end(); i++ )
+    delete *i;
+}
+
+//
+void
+Kumu::XMLElement::SetAttr(const char* name, const char* value)
+{
+  NVPair TmpVal;
+  TmpVal.name = name;
+  TmpVal.value = value;
+
+  m_AttrList.push_back(TmpVal);
+}
+
+//
+Kumu::XMLElement*
+Kumu::XMLElement::AddChild(const char* name)
+{
+  XMLElement* tmpE = new XMLElement(name);
+  m_ChildList.push_back(tmpE);
+  return tmpE;
+}
+
+//
+Kumu::XMLElement*
+Kumu::XMLElement::AddChildWithContent(const char* name, const std::string& value)
+{
+  return AddChildWithContent(name, value.c_str());
+}
+
+//
+Kumu::XMLElement*
+Kumu::XMLElement::AddChildWithContent(const char* name, const char* value)
+{
+  assert(name);
+  assert(value);
+  XMLElement* tmpE = new XMLElement(name);
+  tmpE->m_Body = value;
+  m_ChildList.push_back(tmpE);
+  return tmpE;
+}
+
+//
+Kumu::XMLElement*
+Kumu::XMLElement::AddChildWithPrefixedContent(const char* name, const char* prefix, const char* value)
+{
+  XMLElement* tmpE = new XMLElement(name);
+  tmpE->m_Body = prefix;
+  tmpE->m_Body += value;
+  m_ChildList.push_back(tmpE);
+  return tmpE;
+}
+
+//
+void
+Kumu::XMLElement::AddComment(const char* value)
+{
+  m_Body += "  <!-- ";
+  m_Body += value;
+  m_Body += " -->\n";
+}
+
+//
+void
+Kumu::XMLElement::Render(std::string& outbuf)
+{
+  outbuf = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
+  RenderElement(outbuf, 0);
+}
+
+//
+inline void
+add_spacer(std::string& outbuf, i32_t depth)
+{
+  while ( depth-- )
+    outbuf+= "  ";
+}
+
+//
+void
+Kumu::XMLElement::RenderElement(std::string& outbuf, ui32_t depth)
+{
+  add_spacer(outbuf, depth);
+
+  outbuf += "<";
+  outbuf += m_Name;
+
+  // render attributes
+  for ( Attr_i i = m_AttrList.begin(); i != m_AttrList.end(); i++ )
+    {
+      outbuf += " ";
+      outbuf += (*i).name;
+      outbuf += "=\"";
+      outbuf += (*i).value;
+      outbuf += "\"";
+    }
+
+  // body contents and children
+  if ( ! m_ChildList.empty() )
+    {
+      outbuf += ">\n";
+
+      // render body
+      if ( m_Body.length() > 0 )
+	outbuf += m_Body;
+
+      for ( Elem_i i = m_ChildList.begin(); i != m_ChildList.end(); i++ )
+	(*i)->RenderElement(outbuf, depth + 1);
+
+      add_spacer(outbuf, depth);
+      outbuf += "</";
+      outbuf += m_Name;
+      outbuf += ">\n";
+    }
+  else if ( m_Body.length() > 0 )
+    {
+      outbuf += ">";
+      outbuf += m_Body;
+      outbuf += "</";
+      outbuf += m_Name;
+      outbuf += ">\n";
+    }
+  else
+    {
+      outbuf += " />\n";
+    }
+}
+
+
+//
+// end KM_xml.cpp
+//