pidgin/pidgin

closing merged branch
memory-leaks
2020-02-03, Gary Kramlich
208e387899a5
closing merged branch
/* purple
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#ifndef PURPLE_XMLNODE_H
#define PURPLE_XMLNODE_H
/**
* SECTION:xmlnode
* @section_id: libpurple-xmlnode
* @short_description: <filename>xmlnode.h</filename>
* @title: XML DOM functions
*/
#include <glib.h>
#include <glib-object.h>
#define PURPLE_TYPE_XMLNODE (purple_xmlnode_get_type())
/**
* PurpleXmlNodeType:
* @PURPLE_XMLNODE_TYPE_TAG: Just a tag
* @PURPLE_XMLNODE_TYPE_ATTRIB: Has attributes
* @PURPLE_XMLNODE_TYPE_DATA: Has data
*
* The valid types for an PurpleXmlNode
*/
typedef enum
{
PURPLE_XMLNODE_TYPE_TAG,
PURPLE_XMLNODE_TYPE_ATTRIB,
PURPLE_XMLNODE_TYPE_DATA
} PurpleXmlNodeType;
/**
* PurpleXmlNode:
* @name: The name of the node.
* @xmlns: The namespace of the node.
* @type: The type of the node.
* @data: The data for the node.
* @data_sz: The size of the data.
* @parent: The parent node or %NULL.
* @child: The child node or %NULL.
* @lastchild: The last child node or %NULL.
* @next: The next node or %NULL.
* @prefix: The namespace prefix if any.
* @namespace_map: The namespace map.
*
* An PurpleXmlNode.
*/
typedef struct _PurpleXmlNode PurpleXmlNode;
struct _PurpleXmlNode
{
char *name;
char *xmlns;
PurpleXmlNodeType type;
char *data;
size_t data_sz;
PurpleXmlNode *parent;
PurpleXmlNode *child;
PurpleXmlNode *lastchild;
PurpleXmlNode *next;
char *prefix;
GHashTable *namespace_map;
};
G_BEGIN_DECLS
/**
* purple_xmlnode_get_type:
*
* Returns: The #GType for the #PurpleXmlNode boxed structure.
*/
GType purple_xmlnode_get_type(void);
/**
* purple_xmlnode_new:
* @name: The name of the node.
*
* Creates a new PurpleXmlNode.
*
* Returns: The new node.
*/
PurpleXmlNode *purple_xmlnode_new(const char *name);
/**
* purple_xmlnode_new_child:
* @parent: The parent node.
* @name: The name of the child node.
*
* Creates a new PurpleXmlNode child.
*
* Returns: The new child node.
*/
PurpleXmlNode *purple_xmlnode_new_child(PurpleXmlNode *parent, const char *name);
/**
* purple_xmlnode_insert_child:
* @parent: The parent node to insert child into.
* @child: The child node to insert into parent.
*
* Inserts a node into a node as a child.
*/
void purple_xmlnode_insert_child(PurpleXmlNode *parent, PurpleXmlNode *child);
/**
* purple_xmlnode_get_child:
* @parent: The parent node.
* @name: The child's name.
*
* Gets a child node named name.
*
* Returns: The child or NULL.
*/
PurpleXmlNode *purple_xmlnode_get_child(const PurpleXmlNode *parent, const char *name);
/**
* purple_xmlnode_get_child_with_namespace:
* @parent: The parent node.
* @name: The child's name.
* @xmlns: The namespace.
*
* Gets a child node named name in a namespace.
*
* Returns: The child or NULL.
*/
PurpleXmlNode *purple_xmlnode_get_child_with_namespace(const PurpleXmlNode *parent, const char *name, const char *xmlns);
/**
* purple_xmlnode_get_next_twin:
* @node: The node of a twin to find.
*
* Gets the next node with the same name as node.
*
* Returns: The twin of node or NULL.
*/
PurpleXmlNode *purple_xmlnode_get_next_twin(PurpleXmlNode *node);
/**
* purple_xmlnode_insert_data:
* @node: The node to insert data into.
* @data: The data to insert.
* @size: The size of the data to insert. If data is
* null-terminated you can pass in -1.
*
* Inserts data into a node.
*/
void purple_xmlnode_insert_data(PurpleXmlNode *node, const char *data, gssize size);
/**
* purple_xmlnode_get_data:
* @node: The node to get data from.
*
* Gets (escaped) data from a node.
*
* Returns: The data from the node or NULL. This data is in raw escaped format.
* You must g_free this string when finished using it.
*/
char *purple_xmlnode_get_data(const PurpleXmlNode *node);
/**
* purple_xmlnode_get_data_unescaped:
* @node: The node to get data from.
*
* Gets unescaped data from a node.
*
* Returns: The data from the node, in unescaped form. You must g_free
* this string when finished using it.
*/
char *purple_xmlnode_get_data_unescaped(const PurpleXmlNode *node);
/**
* purple_xmlnode_set_attrib:
* @node: The node to set an attribute for.
* @attr: The name of the attribute.
* @value: The value of the attribute.
*
* Sets an attribute for a node.
*/
void purple_xmlnode_set_attrib(PurpleXmlNode *node, const char *attr, const char *value);
/**
* purple_xmlnode_set_attrib_full:
* @node: The node to set an attribute for.
* @attr: The name of the attribute to set
* @xmlns: The namespace of the attribute to set
* @prefix: The prefix of the attribute to set
* @value: The value of the attribute
*
* Sets a namespaced attribute for a node
*/
void purple_xmlnode_set_attrib_full(PurpleXmlNode *node, const char *attr, const char *xmlns,
const char *prefix, const char *value);
/**
* purple_xmlnode_get_attrib:
* @node: The node to get an attribute from.
* @attr: The attribute to get.
*
* Gets an attribute from a node.
*
* Returns: The value of the attribute.
*/
const char *purple_xmlnode_get_attrib(const PurpleXmlNode *node, const char *attr);
/**
* purple_xmlnode_get_attrib_with_namespace:
* @node: The node to get an attribute from.
* @attr: The attribute to get
* @xmlns: The namespace of the attribute to get
*
* Gets a namespaced attribute from a node
*
* Returns: The value of the attribute/
*/
const char *purple_xmlnode_get_attrib_with_namespace(const PurpleXmlNode *node, const char *attr, const char *xmlns);
/**
* purple_xmlnode_remove_attrib:
* @node: The node to remove an attribute from.
* @attr: The attribute to remove.
*
* Removes an attribute from a node.
*/
void purple_xmlnode_remove_attrib(PurpleXmlNode *node, const char *attr);
/**
* purple_xmlnode_remove_attrib_with_namespace:
* @node: The node to remove an attribute from
* @attr: The attribute to remove
* @xmlns: The namespace of the attribute to remove
*
* Removes a namespaced attribute from a node
*/
void purple_xmlnode_remove_attrib_with_namespace(PurpleXmlNode *node, const char *attr, const char *xmlns);
/**
* purple_xmlnode_set_namespace:
* @node: The node to qualify
* @xmlns: The namespace of the node
*
* Sets the namespace of a node
*/
void purple_xmlnode_set_namespace(PurpleXmlNode *node, const char *xmlns);
/**
* purple_xmlnode_get_namespace:
* @node: The node to get the namepsace from
*
* Returns the namespace of a node
*
* Returns: The namespace of this node
*/
const char *purple_xmlnode_get_namespace(const PurpleXmlNode *node);
/**
* purple_xmlnode_get_default_namespace:
* @node: The node for which to return the default namespace
*
* Returns the current default namespace. The default
* namespace is the current namespace which applies to child
* elements which are unprefixed and which do not contain their
* own namespace.
*
* For example, given:
* <programlisting>
* &lt;iq type='get' xmlns='jabber:client' xmlns:ns1='http://example.org/ns1'&gt;
* &lt;ns1:element&gt;&lt;child1/&gt;&lt;/ns1:element&gt;
* &lt;/iq&gt;
* </programlisting>
*
* The default namespace of all nodes (including 'child1') is "jabber:client",
* though the namespace for 'element' is "http://example.org/ns1".
*
* Returns: The default namespace of this node
*/
const char *purple_xmlnode_get_default_namespace(const PurpleXmlNode *node);
/**
* purple_xmlnode_get_prefix_namespace:
* @node: The node from which to start the search.
* @prefix: The prefix for which to return the associated namespace.
*
* Returns the defined namespace for a prefix.
*
* Returns: The namespace for this prefix.
*/
const char *purple_xmlnode_get_prefix_namespace(const PurpleXmlNode *node, const char *prefix);
/**
* purple_xmlnode_set_prefix:
* @node: The node to qualify
* @prefix: The prefix of the node
*
* Sets the prefix of a node
*/
void purple_xmlnode_set_prefix(PurpleXmlNode *node, const char *prefix);
/**
* purple_xmlnode_get_prefix:
* @node: The node to get the prefix from
*
* Returns the prefix of a node
*
* Returns: The prefix of this node
*/
const char *purple_xmlnode_get_prefix(const PurpleXmlNode *node);
/**
* purple_xmlnode_strip_prefixes:
* @node: The node from which to strip prefixes
*
* Remove all element prefixes from an PurpleXmlNode tree. The prefix's
* namespace is transformed into the default namespace for an element.
*
* Note that this will not necessarily remove all prefixes in use
* (prefixed attributes may still exist), and that this usage may
* break some applications (SOAP / XPath apparently often rely on
* the prefixes having the same name.
*/
void purple_xmlnode_strip_prefixes(PurpleXmlNode *node);
/**
* purple_xmlnode_get_parent:
* @child: The child node.
*
* Gets the parent node.
*
* Returns: The parent or NULL.
*/
PurpleXmlNode *purple_xmlnode_get_parent(const PurpleXmlNode *child);
/**
* purple_xmlnode_to_str:
* @node: The starting node to output.
* @len: Address for the size of the string.
*
* Returns the node in a string of xml.
*
* Returns: The node represented as a string. You must
* g_free this string when finished using it.
*/
char *purple_xmlnode_to_str(const PurpleXmlNode *node, int *len);
/**
* purple_xmlnode_to_formatted_str:
* @node: The starting node to output.
* @len: Address for the size of the string.
*
* Returns the node in a string of human readable xml.
*
* Returns: The node as human readable string including
* tab and new line characters. You must
* g_free this string when finished using it.
*/
char *purple_xmlnode_to_formatted_str(const PurpleXmlNode *node, int *len);
/**
* purple_xmlnode_from_str:
* @str: The string of xml.
* @size: The size of the string, or -1 if @str is
* NUL-terminated.
*
* Creates a node from a string of XML. Calling this on the
* root node of an XML document will parse the entire document
* into a tree of nodes, and return the PurpleXmlNode of the root.
*
* Returns: The new node.
*/
PurpleXmlNode *purple_xmlnode_from_str(const char *str, gssize size);
/**
* purple_xmlnode_copy:
* @src: The node to copy.
*
* Creates a new node from the source node.
*
* Returns: A new copy of the src node.
*/
PurpleXmlNode *purple_xmlnode_copy(const PurpleXmlNode *src);
/**
* purple_xmlnode_free:
* @node: The node to free.
*
* Frees a node and all of its children.
*/
void purple_xmlnode_free(PurpleXmlNode *node);
/**
* purple_xmlnode_from_file:
* @dir: The directory where the file is located
* @filename: The filename
* @description: A description of the file being parsed. Displayed to
* the user if the file cannot be read.
* @process: The subsystem that is calling purple_xmlnode_from_file. Used as
* the category for debugging.
*
* Creates a node from a XML File. Calling this on the
* root node of an XML document will parse the entire document
* into a tree of nodes, and return the PurpleXmlNode of the root.
*
* Returns: The new node or NULL if an error occurred.
*/
PurpleXmlNode *purple_xmlnode_from_file(const char *dir, const char *filename,
const char *description, const char *process);
G_END_DECLS
#endif /* PURPLE_XMLNODE_H */