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/*
* Node set functions for Mini-XML, a small XML file parsing library.
*
* https://www.msweet.org/mxml
*
* Copyright © 2003-2019 by Michael R Sweet.
*
* Licensed under Apache License v2.0. See the file "LICENSE" for more
* information.
*/
/*
* Include necessary headers...
*/
#include "config.h"
#include "mxml-private.h"
/*
* 'mxmlSetCDATA()' - Set the element name of a CDATA node.
*
* The node is not changed if it (or its first child) 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 */
{
char *s; /* String pointer */
/*
* Range check input...
*/
if (node && node->type == MXML_ELEMENT &&
strncmp(node->value.element.name, "![CDATA[", 8) &&
node->child && node->child->type == MXML_ELEMENT &&
!strncmp(node->child->value.element.name, "![CDATA[", 8))
node = node->child;
if (!node || node->type != MXML_ELEMENT || !data ||
strncmp(node->value.element.name, "![CDATA[", 8))
return (-1);
if (data == (node->value.element.name + 8))
return (0);
/*
* Allocate the new value, free any old element value, and set the new value...
*/
s = _mxml_strdupf("![CDATA[%s", data);
if (node->value.element.name)
free(node->value.element.name);
node->value.element.name = s;
return (0);
}
/*
* 'mxmlSetCustom()' - Set the data and destructor of a custom data node.
*
* The node is not changed if it (or its first child) 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_ELEMENT &&
node->child && node->child->type == MXML_CUSTOM)
node = node->child;
if (!node || node->type != MXML_CUSTOM)
return (-1);
if (data == node->value.custom.data)
{
node->value.custom.destroy = destroy;
return (0);
}
/*
* 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);
if (name == node->value.element.name)
return (0);
/*
* 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 (or its first child) 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_ELEMENT &&
node->child && node->child->type == MXML_INTEGER)
node = node->child;
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 (or its first child) 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_ELEMENT &&
node->child && node->child->type == MXML_OPAQUE)
node = node->child;
if (!node || node->type != MXML_OPAQUE || !opaque)
return (-1);
if (node->value.opaque == opaque)
return (0);
/*
* 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);
}
/*
* 'mxmlSetOpaquef()' - Set the value of an opaque string node to a formatted string.
*
* The node is not changed if it (or its first child) is not an opaque node.
*
* @since Mini-XML 2.11@
*/
int /* O - 0 on success, -1 on failure */
mxmlSetOpaquef(mxml_node_t *node, /* I - Node to set */
const char *format, /* I - Printf-style format string */
...) /* I - Additional arguments as needed */
{
va_list ap; /* Pointer to arguments */
char *s; /* Temporary string */
/*
* Range check input...
*/
if (node && node->type == MXML_ELEMENT &&
node->child && node->child->type == MXML_OPAQUE)
node = node->child;
if (!node || node->type != MXML_OPAQUE || !format)
return (-1);
/*
* Format the new string, free any old string value, and set the new value...
*/
va_start(ap, format);
s = _mxml_vstrdupf(format, ap);
va_end(ap);
if (node->value.opaque)
free(node->value.opaque);
node->value.opaque = s;
return (0);
}
/*
* 'mxmlSetReal()' - Set the value of a real number node.
*
* The node is not changed if it (or its first child) 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_ELEMENT &&
node->child && node->child->type == MXML_REAL)
node = node->child;
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 (or its first child) 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_ELEMENT &&
node->child && node->child->type == MXML_TEXT)
node = node->child;
if (!node || node->type != MXML_TEXT || !string)
return (-1);
if (string == node->value.text.string)
{
node->value.text.whitespace = whitespace;
return (0);
}
/*
* 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 (or its first child) 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 */
char *s; /* Temporary string */
/*
* Range check input...
*/
if (node && node->type == MXML_ELEMENT &&
node->child && node->child->type == MXML_TEXT)
node = node->child;
if (!node || node->type != MXML_TEXT || !format)
return (-1);
/*
* Free any old string value and set the new value...
*/
va_start(ap, format);
s = _mxml_vstrdupf(format, ap);
va_end(ap);
if (node->value.text.string)
free(node->value.text.string);
node->value.text.whitespace = whitespace;
node->value.text.string = s;
return (0);
}
/*
* 'mxmlSetUserData()' - Set the user data pointer for a node.
*
* @since Mini-XML 2.7@
*/
int /* O - 0 on success, -1 on failure */
mxmlSetUserData(mxml_node_t *node, /* I - Node to set */
void *data) /* I - User data pointer */
{
/*
* Range check input...
*/
if (!node)
return (-1);
/*
* Set the user data pointer and return...
*/
node->user_data = data;
return (0);
}