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/*
Copyright (C) CFEngine AS
This file is part of CFEngine 3 - written and maintained by CFEngine AS.
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; version 3.
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
To the extent this program is licensed as part of the Enterprise
versions of CFEngine, the applicable Commercial Open Source License
(COSL) may apply to this file if you as a licensee so wish it. See
included file COSL.txt.
*/
#include <xml_writer.h>
#include <misc_lib.h>
static void WriteEscaped(Writer *writer, const char *source);
/*****************************************************************************/
void XmlComment(Writer *writer, const char *comment)
{
if (writer == NULL)
{
ProgrammingError("NULL writer passed to XmlWriter");
}
WriterWrite(writer, "<!-- ");
WriteEscaped(writer, comment);
WriterWrite(writer, " -->\n");
}
/*****************************************************************************/
static void XmlEmitStartTag(Writer *writer, const char *tag_name, int attr_cnt, va_list args)
{
WriterWriteF(writer, "<%s", tag_name);
if (attr_cnt > 0)
{
WriterWrite(writer, " ");
}
for (int i = 0; i < attr_cnt; ++i)
{
XmlAttribute attr = va_arg(args, XmlAttribute);
WriterWriteF(writer, "%s=\"%s\" ", attr.name, attr.value);
}
WriterWrite(writer, ">");
}
/*****************************************************************************/
void XmlStartTag(Writer *writer, const char *tag_name, int attr_cnt, ...)
{
va_list args;
if ((writer == NULL) || (tag_name == NULL) || (attr_cnt < 0))
{
ProgrammingError("writer, tag_name or attr_cnt in XmlStartTag are wrong");
}
va_start(args, attr_cnt);
XmlEmitStartTag(writer, tag_name, attr_cnt, args);
va_end(args);
WriterWrite(writer, "\n");
}
/*****************************************************************************/
void XmlEndTag(Writer *writer, const char *tag_name)
{
if ((writer == NULL) || (tag_name == NULL))
{
ProgrammingError("writer or tag_name are missing");
}
WriterWriteF(writer, "</%s>\n", tag_name);
}
/*****************************************************************************/
void XmlTag(Writer *writer, const char *tag_name, const char *value, int attr_cnt, ...)
{
va_list args;
if ((writer == NULL) || (tag_name == NULL) || (attr_cnt < 0))
{
return;
}
va_start(args, attr_cnt);
XmlEmitStartTag(writer, tag_name, attr_cnt, args);
va_end(args);
if (value != NULL)
{
WriteEscaped(writer, value);
}
XmlEndTag(writer, tag_name);
}
/*****************************************************************************/
void XmlContent(Writer *writer, const char *value)
{
if (writer == NULL)
{
ProgrammingError("writer is NULL");
}
WriteEscaped(writer, value);
}
/*****************************************************************************/
static void WriteEscaped(Writer *w, const char *source)
{
for (const char *s = source; *s; s++)
{
switch (*s)
{
case '&':
WriterWrite(w, "&");
break;
case '>':
WriterWrite(w, ">");
break;
case '"':
WriterWrite(w, """);
break;
case '\'':
WriterWrite(w, "'");
break;
case '<':
WriterWrite(w, "<");
break;
default:
WriterWriteChar(w, *s);
}
}
}
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