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Diffstat (limited to 'src/core/implementation.c')
| -rw-r--r-- | src/core/implementation.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/core/implementation.c b/src/core/implementation.c new file mode 100644 index 0000000..d9bb0fa --- /dev/null +++ b/src/core/implementation.c @@ -0,0 +1,157 @@ +/* + * This file is part of libdom. + * Licensed under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + * Copyright 2007 John-Mark Bell <jmb@netsurf-browser.org> + */ + +#include <dom/bootstrap/implpriv.h> +#include <dom/core/implementation.h> + +/** + * Claim a reference on a DOM implementation + * + * \param impl The implementation to claim a reference on + */ +void dom_implementation_ref(struct dom_implementation *impl) +{ + impl->refcnt++; +} + +/** + * Release a reference from a DOM implementation + * + * \param impl The implementation to release the reference from + * + * If the reference count reaches zero, any memory claimed by the + * implementation will be released + */ +void dom_implementation_unref(struct dom_implementation *impl) +{ + if (--impl->refcnt == 0) { + impl->destroy(impl); + } +} + +/** + * Test whether a DOM implementation implements a specific feature + * and version + * + * \param impl The DOM implementation to query + * \param feature The feature to test for + * \param version The version number of the feature to test for + * \param result Pointer to location to receive result + * \return DOM_NO_ERR. + */ +dom_exception dom_implementation_has_feature( + struct dom_implementation *impl, + struct dom_string *feature, struct dom_string *version, + bool *result) +{ + return impl->has_feature(impl, feature, version, result); +} + +/** + * Create a document type node + * + * \param impl The implementation to create the node + * \param qname The qualified name of the document type + * \param public_id The external subset public identifier + * \param system_id The external subset system identifier + * \param doctype Pointer to location to receive result + * \param alloc Memory (de)allocation function + * \param pw Pointer to client-specific private data + * \return DOM_NO_ERR on success, + * DOM_INVALID_CHARACTER_ERR if ::qname is invalid, + * DOM_NAMESPACE_ERR if ::qname is malformed, + * DOM_NOT_SUPPORTED_ERR if ::impl does not support the feature + * "XML" and the language exposed through + * Document does not support XML + * namespaces. + * + * Any memory allocated by this call should be allocated using + * the provided memory (de)allocation function. + * + * The doctype will be referenced, so the client need not do this + * explicitly. The client must unref the doctype once it has + * finished with it. + */ +dom_exception dom_implementation_create_document_type( + struct dom_implementation *impl, struct dom_string *qname, + struct dom_string *public_id, struct dom_string *system_id, + struct dom_document_type **doctype, + dom_alloc alloc, void *pw) +{ + return impl->create_document_type(impl, qname, public_id, system_id, + doctype, alloc, pw); +} + +/** + * Create a document node + * + * \param impl The implementation to create the node + * \param namespace The namespace URI of the document element + * \param qname The qualified name of the document element + * \param doctype The type of document to create + * \param doc Pointer to location to receive result + * \param alloc Memory (de)allocation function + * \param pw Pointer to client-specific private data + * \return DOM_NO_ERR on success, + * DOM_INVALID_CHARACTER_ERR if ::qname is invalid, + * DOM_NAMESPACE_ERR if ::qname is malformed, or if ::qname + * has a prefix and ::namespace is NULL, + * or if ::qname is NULL and ::namespace + * is non-NULL, or if ::qname has a prefix + * "xml" and ::namespace is not + * "http://www.w3.org/XML/1998/namespace", + * or if ::impl does not support the "XML" + * feature and ::namespace is non-NULL, + * DOM_WRONG_DOCUMENT_ERR if ::doctype is already being used by a + * document, or if it was not created by + * ::impl, + * DOM_NOT_SUPPORTED_ERR if ::impl does not support the feature + * "XML" and the language exposed through + * Document does not support XML + * namespaces. + * + * Any memory allocated by this call should be allocated using + * the provided memory (de)allocation function. + * + * The doctype will be referenced, so the client need not do this + * explicitly. The client must unref the doctype once it has + * finished with it. + */ +dom_exception dom_implementation_create_document( + struct dom_implementation *impl, + struct dom_string *namespace, struct dom_string *qname, + struct dom_document_type *doctype, + struct dom_document **doc, + dom_alloc alloc, void *pw) +{ + return impl->create_document(impl, namespace, qname, doctype, doc, + alloc, pw); +} + +/** + * Retrieve a specialized object which implements the specified + * feature and version + * + * \param impl The implementation to create the object + * \param feature The requested feature + * \param version The version number of the feature + * \param object Pointer to location to receive object + * \param alloc Memory (de)allocation function + * \param pw Pointer to client-specific private data + * \return DOM_NO_ERR. + * + * Any memory allocated by this call should be allocated using + * the provided memory (de)allocation function. + */ +dom_exception dom_implementation_get_feature( + struct dom_implementation *impl, + struct dom_string *feature, struct dom_string *version, + void **object, + dom_alloc alloc, void *pw) +{ + return impl->get_feature(impl, feature, version, object, alloc, pw); +} |