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/*

 * "$Id: mxml-set.c 270 2007-04-23 21:48:03Z mike $"

 *

 * Node set functions for Mini-XML, a small XML-like file parsing library.

 *

 * Copyright 2003-2007 by Michael Sweet.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Library General Public

 * License as published by the Free Software Foundation; either

 * version 2, 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.

 *

 * Contents:

 *

 *   mxmlSetCustom()  - Set the data and destructor of a custom data node.

 *   mxmlSetCDATA()   - Set the element name of a CDATA node.

 *   mxmlSetElement() - Set the name of an element node.

 *   mxmlSetInteger() - Set the value of an integer node.

 *   mxmlSetOpaque()  - Set the value of an opaque node.

 *   mxmlSetReal()    - Set the value of a real number node.

 *   mxmlSetText()    - Set the value of a text node.

 *   mxmlSetTextf()   - Set the value of a text node to a formatted string.

 */

/*

 * Include necessary headers...

 */

#include "config.h"

#include "mxml.h"

/*

 * 'mxmlSetCustom()' - Set the data and destructor of a custom data node.

 *

 * The node is not changed if it is not a custom node.

 *

 * @since Mini-XML 2.1@

 */

int                                        /* O - 0 on success, -1 on failure */

mxmlSetCustom(

    mxml_node_t              *node,        /* I - Node to set */

    void                     *data,        /* I - New data pointer */

    mxml_custom_destroy_cb_t destroy)        /* I - New destructor function */

{

 /*

  * Range check input...

  */

  if (!node || node->type != MXML_CUSTOM)

    return (-1);

 /*

  * Free any old element value and set the new value...

  */

  if (node->value.custom.data && node->value.custom.destroy)

    (*(node->value.custom.destroy))(node->value.custom.data);

  node->value.custom.data    = data;

  node->value.custom.destroy = destroy;

  return (0);

}

/*

 * 'mxmlSetCDATA()' - Set the element name of a CDATA node.

 *

 * The node is not changed if it is not a CDATA element node.

 *

 * @since Mini-XML 2.3@

 */

int                                        /* O - 0 on success, -1 on failure */

mxmlSetCDATA(mxml_node_t *node,                /* I - Node to set */

             const char  *data)                /* I - New data string */

{

 /*

  * Range check input...

  */

  if (!node || node->type != MXML_ELEMENT || !data ||

      strncmp(node->value.element.name, "![CDATA[", 8))

    return (-1);

 /*

  * Free any old element value and set the new value...

  */

  if (node->value.element.name)

    free(node->value.element.name);

  node->value.element.name = _mxml_strdupf("![CDATA[%s]]", data);

  return (0);

}

/*

 * 'mxmlSetElement()' - Set the name of an element node.

 *

 * The node is not changed if it is not an element node.

 */

int                                        /* O - 0 on success, -1 on failure */

mxmlSetElement(mxml_node_t *node,        /* I - Node to set */

               const char  *name)        /* I - New name string */

{

 /*

  * Range check input...

  */

  if (!node || node->type != MXML_ELEMENT || !name)

    return (-1);

 /*

  * Free any old element value and set the new value...

  */

  if (node->value.element.name)

    free(node->value.element.name);

  node->value.element.name = strdup(name);

  return (0);

}

/*

 * 'mxmlSetInteger()' - Set the value of an integer node.

 *

 * The node is not changed if it is not an integer node.

 */

int                                        /* O - 0 on success, -1 on failure */

mxmlSetInteger(mxml_node_t *node,        /* I - Node to set */

               int         integer)        /* I - Integer value */

{

 /*

  * Range check input...

  */

  if (!node || node->type != MXML_INTEGER)

    return (-1);

 /*

  * Set the new value and return...

  */

  node->value.integer = integer;

  return (0);

}

/*

 * 'mxmlSetOpaque()' - Set the value of an opaque node.

 *

 * The node is not changed if it is not an opaque node.

 */

int                                        /* O - 0 on success, -1 on failure */

mxmlSetOpaque(mxml_node_t *node,        /* I - Node to set */

              const char  *opaque)        /* I - Opaque string */

{

 /*

  * Range check input...

  */

  if (!node || node->type != MXML_OPAQUE || !opaque)

    return (-1);

 /*

  * Free any old opaque value and set the new value...

  */

  if (node->value.opaque)

    free(node->value.opaque);

  node->value.opaque = strdup(opaque);

  return (0);

}

/*

 * 'mxmlSetReal()' - Set the value of a real number node.

 *

 * The node is not changed if it is not a real number node.

 */

int                                        /* O - 0 on success, -1 on failure */

mxmlSetReal(mxml_node_t *node,                /* I - Node to set */

            double      real)                /* I - Real number value */

{

 /*

  * Range check input...

  */

  if (!node || node->type != MXML_REAL)

    return (-1);

 /*

  * Set the new value and return...

  */

  node->value.real = real;

  return (0);

}

/*

 * 'mxmlSetText()' - Set the value of a text node.

 *

 * The node is not changed if it is not a text node.

 */

int                                        /* O - 0 on success, -1 on failure */

mxmlSetText(mxml_node_t *node,                /* I - Node to set */

            int         whitespace,        /* I - 1 = leading whitespace, 0 = no whitespace */

            const char  *string)        /* I - String */

{

 /*

  * Range check input...

  */

  if (!node || node->type != MXML_TEXT || !string)

    return (-1);

 /*

  * Free any old string value and set the new value...

  */

  if (node->value.text.string)

    free(node->value.text.string);

  node->value.text.whitespace = whitespace;

  node->value.text.string     = strdup(string);

  return (0);

}

/*

 * 'mxmlSetTextf()' - Set the value of a text node to a formatted string.

 *

 * The node is not changed if it is not a text node.

 */

int                                        /* O - 0 on success, -1 on failure */

mxmlSetTextf(mxml_node_t *node,                /* I - Node to set */

             int         whitespace,        /* I - 1 = leading whitespace, 0 = no whitespace */

             const char  *format,        /* I - Printf-style format string */

             ...)                        /* I - Additional arguments as needed */

{

  va_list        ap;                        /* Pointer to arguments */

 /*

  * Range check input...

  */

  if (!node || node->type != MXML_TEXT || !format)

    return (-1);

 /*

  * Free any old string value and set the new value...

  */

  if (node->value.text.string)

    free(node->value.text.string);

  va_start(ap, format);

  node->value.text.whitespace = whitespace;

  node->value.text.string     = _mxml_strdupf(format, ap);

  va_end(ap);

  return (0);

}

/*

 * End of "$Id: mxml-set.c 270 2007-04-23 21:48:03Z mike $".

 */