dahdi-tools/menuselect/mxml/mxml-set.c

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/*
* "$Id: mxml-set.c 22267 2006-04-24 17:11:45Z kpfleming $"
*
* Node set functions for Mini-XML, a small XML-like file parsing library.
*
* Copyright 2003-2005 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:
*
* 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.
*/
int /* O - 0 on success, -1 on failure */
mxmlSetCustom(mxml_node_t *node, /* I - Node to set */
void *data, /* I - New data pointer */
void (*destroy)(void *))
/* 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);
}
/*
* '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 22267 2006-04-24 17:11:45Z kpfleming $".
*/