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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);
- }
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