mirror of
https://github.com/michaelrsweet/mxml.git
synced 2024-11-24 11:25:30 +00:00
400 lines
8.4 KiB
C
400 lines
8.4 KiB
C
/*
|
||
* 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);
|
||
}
|