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Diffstat (limited to 'xml/mxml-set.c')
-rw-r--r-- | xml/mxml-set.c | 349 |
1 files changed, 349 insertions, 0 deletions
diff --git a/xml/mxml-set.c b/xml/mxml-set.c new file mode 100644 index 0000000..b0bd527 --- /dev/null +++ b/xml/mxml-set.c @@ -0,0 +1,349 @@ +/* + * "$Id: mxml-set.c 441 2011-12-09 23:49:00Z mike $" + * + * Node set functions for Mini-XML, a small XML-like file parsing library. + * + * Copyright 2003-2011 by Michael R Sweet. + * + * These coded instructions, statements, and computer programs are the + * property of Michael R Sweet and are protected by Federal copyright + * law. Distribution and use rights are outlined in the file "COPYING" + * which should have been included with this file. If this file is + * missing or damaged, see the license at: + * + * http://www.minixml.org/ + * + * Contents: + * + * mxmlSetCDATA() - Set the element name of a CDATA node. + * mxmlSetCustom() - Set the data and destructor of a custom data 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. + * mxmlSetUserData() - Set the user data pointer for a node. + */ + +/* + * Include necessary headers... + */ + +#include "config.h" +#include "mxml.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 */ +{ + /* + * 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); + + /* + * 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); +} + + +/* + * '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); + + /* + * 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 (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); + + /* + * 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 (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); + + /* + * 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 */ + + + /* + * 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... + */ + + 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); +} + + +/* + * '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); +} + + +/* + * End of "$Id: mxml-set.c 441 2011-12-09 23:49:00Z mike $". + */ |