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123 lines
3.7 KiB
123 lines
3.7 KiB
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2008, Eliel C. Sardanons (LU1ALY) <eliels@gmail.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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#ifndef _ASTERISK_XML_H
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#define _ASTERISK_XML_H
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/*! \file
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* \brief Asterisk XML abstraction layer
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*/
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struct ast_xml_node;
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struct ast_xml_doc;
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/*! \brief Initialize the XML library implementation.
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* This function is used to setup everything needed
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* to start working with the xml implementation.
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* \retval 0 On success.
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* \retval 1 On error.
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*/
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int ast_xml_init(void);
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/*! \brief Cleanup library allocated global data.
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* \retval 0 On success.
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* \retval 1 On error.
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*/
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int ast_xml_finish(void);
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/*! \brief Open an XML document.
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* \param filename Document path.
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* \retval NULL on error.
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* \retval The ast_xml_doc reference to the open document.
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*/
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struct ast_xml_doc *ast_xml_open(char *filename);
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/*! \brief Close an already open document and free the used
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* structure.
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* \retval doc The document reference.
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*/
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void ast_xml_close(struct ast_xml_doc *doc);
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/*! \brief Get the document root node.
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* \param doc Document reference
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* \retval NULL on error
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* \retval The root node on success.
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*/
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struct ast_xml_node *ast_xml_get_root(struct ast_xml_doc *doc);
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/*! \brief Free node
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* \param node Node to be released.
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*/
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void ast_xml_free_node(struct ast_xml_node *node);
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/*! \brief Free an attribute returned by ast_xml_get_attribute()
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* \param data pointer to be freed.
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*/
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void ast_xml_free_attr(const char *attribute);
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/*! \brief Free a content element that was returned by ast_xml_get_text()
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* \param text text to be freed.
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*/
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void ast_xml_free_text(const char *text);
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/*! \brief Get a node attribute by name
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* \param node Node where to search the attribute.
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* \param attrname Attribute name.
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* \retval NULL on error
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* \retval The attribute value on success.
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*/
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const char *ast_xml_get_attribute(struct ast_xml_node *node, const char *attrname);
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/*! \brief Find a node element by name.
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* \param node This is the node starting point.
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* \param name Node name to find.
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* \param attrname attribute name to match (if NULL it won't be matched).
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* \param attrvalue attribute value to match (if NULL it won't be matched).
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* \retval NULL if not found
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* \retval The node on success.
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*/
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struct ast_xml_node *ast_xml_find_element(struct ast_xml_node *root_node, const char *name, const char *attrname, const char *attrvalue);
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/*! \brief Get an element content string.
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* \param node Node from where to get the string.
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* \retval NULL on error.
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* \retval The text content of node.
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*/
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const char *ast_xml_get_text(struct ast_xml_node *node);
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/*! \brief Get the name of a node. */
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const char *ast_xml_node_get_name(struct ast_xml_node *node);
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/*! \brief Get the node's children. */
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struct ast_xml_node *ast_xml_node_get_children(struct ast_xml_node *node);
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/*! \brief Get the next node in the same level. */
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struct ast_xml_node *ast_xml_node_get_next(struct ast_xml_node *node);
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/*! \brief Get the previous node in the same leve. */
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struct ast_xml_node *ast_xml_node_get_prev(struct ast_xml_node *node);
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/*! \brief Get the parent of a specified node. */
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struct ast_xml_node *ast_xml_node_get_parent(struct ast_xml_node *node);
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/* Features using ast_xml_ */
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#ifdef HAVE_LIBXML2
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#define AST_XML_DOCS
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#endif
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#endif /* _ASTERISK_XML_H */
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