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| Rev | Author | Line No. | Line |
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| 3584 | sourcerer | 1 | /* |
| 2 | * This file is part of libdom. |
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| 3 | * Licensed under the MIT License, |
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| 4 | * http://www.opensource.org/licenses/mit-license.php |
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| 5 | * Copyright 2007 John-Mark Bell |
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| 6 | * Copyright 2009 Bo Yang |
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| 7 | */ |
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| 8 | |||
| 9 | #include |
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| 10 | |||
| 11 | #include |
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| 12 | |||
| 13 | #include "core/document.h" |
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| 14 | #include "core/doc_fragment.h" |
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| 15 | #include "core/node.h" |
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| 16 | #include "utils/utils.h" |
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| 17 | |||
| 18 | /** |
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| 19 | * A DOM document fragment |
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| 20 | */ |
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| 21 | struct dom_document_fragment { |
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| 22 | dom_node_internal base; /**< Base node */ |
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| 23 | }; |
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| 24 | |||
| 25 | static struct dom_node_vtable df_vtable = { |
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| 26 | { |
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| 27 | DOM_NODE_EVENT_TARGET_VTABLE |
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| 28 | }, |
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| 29 | DOM_NODE_VTABLE |
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| 30 | }; |
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| 31 | |||
| 32 | static struct dom_node_protect_vtable df_protect_vtable = { |
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| 33 | DOM_DF_PROTECT_VTABLE |
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| 34 | }; |
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| 35 | |||
| 36 | /** |
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| 37 | * Create a document fragment |
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| 38 | * |
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| 39 | * \param doc The owning document |
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| 40 | * \param name The name of the node to create |
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| 41 | * \param value The text content of the node |
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| 42 | * \param result Pointer to location to receive created node |
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| 43 | * \return DOM_NO_ERR on success, |
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| 44 | * DOM_NO_MEM_ERR on memory exhaustion. |
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| 45 | * |
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| 46 | * ::doc, ::name and ::value will have their reference counts increased. |
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| 47 | * |
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| 48 | * The returned node will already be referenced. |
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| 49 | */ |
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| 50 | dom_exception _dom_document_fragment_create(dom_document *doc, |
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| 51 | dom_string *name, dom_string *value, |
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| 52 | dom_document_fragment **result) |
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| 53 | { |
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| 54 | dom_document_fragment *f; |
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| 55 | dom_exception err; |
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| 56 | |||
| 57 | f = malloc(sizeof(dom_document_fragment)); |
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| 58 | if (f == NULL) |
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| 59 | return DOM_NO_MEM_ERR; |
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| 60 | |||
| 61 | f->base.base.vtable = &df_vtable; |
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| 62 | f->base.vtable = &df_protect_vtable; |
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| 63 | |||
| 64 | /* And initialise the node */ |
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| 65 | err = _dom_document_fragment_initialise(&f->base, doc, |
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| 66 | DOM_DOCUMENT_FRAGMENT_NODE, name, value, NULL, NULL); |
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| 67 | if (err != DOM_NO_ERR) { |
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| 68 | free(f); |
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| 69 | return err; |
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| 70 | } |
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| 71 | |||
| 72 | *result = f; |
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| 73 | |||
| 74 | return DOM_NO_ERR; |
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| 75 | } |
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| 76 | |||
| 77 | /** |
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| 78 | * Destroy a document fragment |
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| 79 | * |
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| 80 | * \param frag The document fragment to destroy |
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| 81 | * |
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| 82 | * The contents of ::frag will be destroyed and ::frag will be freed. |
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| 83 | */ |
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| 84 | void _dom_document_fragment_destroy(dom_document_fragment *frag) |
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| 85 | { |
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| 86 | /* Finalise base class */ |
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| 87 | _dom_document_fragment_finalise(&frag->base); |
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| 88 | |||
| 89 | /* Destroy fragment */ |
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| 90 | free(frag); |
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| 91 | } |
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| 92 | |||
| 93 | /*-----------------------------------------------------------------------*/ |
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| 94 | |||
| 95 | /* Overload protected functions */ |
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| 96 | |||
| 97 | /* The virtual destroy function of this class */ |
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| 98 | void _dom_df_destroy(dom_node_internal *node) |
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| 99 | { |
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| 100 | _dom_document_fragment_destroy((dom_document_fragment *) node); |
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| 101 | } |
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| 102 | |||
| 103 | /* The copy constructor of this class */ |
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| 104 | dom_exception _dom_df_copy(dom_node_internal *old, dom_node_internal **copy) |
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| 105 | { |
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| 106 | dom_document_fragment *new_f; |
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| 107 | dom_exception err; |
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| 108 | |||
| 109 | new_f = malloc(sizeof(dom_document_fragment)); |
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| 110 | if (new_f == NULL) |
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| 111 | return DOM_NO_MEM_ERR; |
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| 112 | |||
| 113 | err = dom_node_copy_internal(old, new_f); |
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| 114 | if (err != DOM_NO_ERR) { |
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| 115 | free(new_f); |
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| 116 | return err; |
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| 117 | } |
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| 118 | |||
| 119 | *copy = (dom_node_internal *) new_f; |
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| 120 | |||
| 121 | return DOM_NO_ERR; |
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| 122 | } |
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| 123 |