/* * This file is part of libdom. * Licensed under the MIT License, * http://www.opensource.org/licenses/mit-license.php * Copyright 2009 Bo Yang * Copyright 2014 Rupinder Singh Khokhar */ #include #include #include #include "html/html_document.h" #include "html/html_table_element.h" #include "html/html_tablecaption_element.h" #include "html/html_tablesection_element.h" #include "html/html_tablerow_element.h" #include "html/html_collection.h" #include "core/node.h" #include "core/attr.h" #include "utils/utils.h" static struct dom_element_protected_vtable _protect_vtable = { { DOM_NODE_PROTECT_VTABLE_HTML_TABLE_ELEMENT }, DOM_HTML_TABLE_ELEMENT_PROTECT_VTABLE }; /** * Create a dom_html_table_element object * * \param params The html element creation parameters * \param ele The returned element object * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception _dom_html_table_element_create( struct dom_html_element_create_params *params, struct dom_html_table_element **ele) { struct dom_node_internal *node; *ele = malloc(sizeof(dom_html_table_element)); if (*ele == NULL) return DOM_NO_MEM_ERR; /* Set up vtables */ node = (struct dom_node_internal *) *ele; node->base.vtable = &_dom_html_element_vtable; node->vtable = &_protect_vtable; return _dom_html_table_element_initialise(params, *ele); } /** * Initialise a dom_html_table_element object * * \param params The html element creation parameters * \param ele The dom_html_table_element object * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception _dom_html_table_element_initialise( struct dom_html_element_create_params *params, struct dom_html_table_element *ele) { return _dom_html_element_initialise(params, &ele->base); } /** * Finalise a dom_html_table_element object * * \param ele The dom_html_table_element object */ void _dom_html_table_element_finalise(struct dom_html_table_element *ele) { _dom_html_element_finalise(&ele->base); } /** * Destroy a dom_html_table_element object * * \param ele The dom_html_table_element object */ void _dom_html_table_element_destroy(struct dom_html_table_element *ele) { _dom_html_table_element_finalise(ele); free(ele); } /*------------------------------------------------------------------------*/ /* The protected virtual functions */ /* The virtual function used to parse attribute value, see src/core/element.c * for detail */ dom_exception _dom_html_table_element_parse_attribute(dom_element *ele, dom_string *name, dom_string *value, dom_string **parsed) { UNUSED(ele); UNUSED(name); dom_string_ref(value); *parsed = value; return DOM_NO_ERR; } /* The virtual destroy function, see src/core/node.c for detail */ void _dom_virtual_html_table_element_destroy(dom_node_internal *node) { _dom_html_table_element_destroy((struct dom_html_table_element *) node); } /* The virtual copy function, see src/core/node.c for detail */ dom_exception _dom_html_table_element_copy(dom_node_internal *old, dom_node_internal **copy) { return _dom_html_element_copy(old, copy); } /*-----------------------------------------------------------------------*/ /* API functions */ #define SIMPLE_GET(attr) \ dom_exception dom_html_table_element_get_##attr( \ dom_html_table_element *element, \ dom_string **attr) \ { \ dom_exception ret; \ dom_string *_memo_##attr; \ \ _memo_##attr = \ ((struct dom_html_document *) \ ((struct dom_node_internal *)element)->owner)-> \ memoised[hds_##attr]; \ \ ret = dom_element_get_attribute(element, _memo_##attr, attr); \ \ return ret; \ } #define SIMPLE_SET(attr) \ dom_exception dom_html_table_element_set_##attr( \ dom_html_table_element *element, \ dom_string *attr) \ { \ dom_exception ret; \ dom_string *_memo_##attr; \ \ _memo_##attr = \ ((struct dom_html_document *) \ ((struct dom_node_internal *)element)->owner)-> \ memoised[hds_##attr]; \ \ ret = dom_element_set_attribute(element, _memo_##attr, attr); \ \ return ret; \ } #define SIMPLE_GET_SET(attr) SIMPLE_GET(attr) SIMPLE_SET(attr) SIMPLE_GET_SET(align); SIMPLE_GET_SET(bg_color); SIMPLE_GET_SET(border); SIMPLE_GET_SET(cell_padding); SIMPLE_GET_SET(cell_spacing); SIMPLE_GET_SET(frame); SIMPLE_GET_SET(rules); SIMPLE_GET_SET(summary); SIMPLE_GET_SET(width); /** * Get the caption Attribute * * \param table The dom_html_table_element object */ dom_exception dom_html_table_element_get_caption( dom_html_table_element *table, dom_html_table_caption_element **caption) { dom_node_internal *node_tmp = ((dom_node_internal *)table); dom_html_document *doc = (dom_html_document *)(node_tmp->owner); for (node_tmp = node_tmp->first_child; node_tmp != NULL; node_tmp = node_tmp->next) { if((node_tmp->type == DOM_ELEMENT_NODE) && dom_string_caseless_isequal( doc->elements[DOM_HTML_ELEMENT_TYPE_CAPTION], node_tmp->name)) { break; } } *caption = (dom_html_table_caption_element *)node_tmp; if(*caption != NULL) dom_node_ref(*caption); return DOM_NO_ERR; } /** * Set the caption Attribute * * \param table The dom_html_table_element object * \param table The dom_html_table_element object */ dom_exception dom_html_table_element_set_caption( dom_html_table_element *table, dom_html_table_caption_element *caption) { dom_node_internal *check_node = ((dom_node_internal *)caption); dom_html_document *doc = (dom_html_document *)(((dom_node_internal *)table)->owner); dom_exception exp; dom_node *new_caption; if (check_node == NULL) { return DOM_HIERARCHY_REQUEST_ERR; } if (!dom_string_caseless_isequal( doc->elements[DOM_HTML_ELEMENT_TYPE_CAPTION], check_node->name)) { return DOM_HIERARCHY_REQUEST_ERR; } exp = dom_html_table_element_delete_caption(table); if(exp != DOM_NO_ERR) return exp; /* Create a new caption */ return dom_node_append_child(table, caption, &new_caption); } /** * Get the t_head Attribute * * \param table The dom_html_table_element object */ dom_exception dom_html_table_element_get_t_head( dom_html_table_element *table, dom_html_table_section_element **t_head) { dom_node_internal *node_tmp = ((dom_node_internal *)table); dom_html_document *doc = (dom_html_document *)(node_tmp->owner); for (node_tmp = node_tmp->first_child; node_tmp != NULL; node_tmp = node_tmp->next) { if((node_tmp->type == DOM_ELEMENT_NODE) && dom_string_caseless_isequal( doc->elements[DOM_HTML_ELEMENT_TYPE_THEAD], node_tmp->name)) { break; } } *t_head = (dom_html_table_section_element *)node_tmp; if (*t_head != NULL) dom_node_ref(*t_head); return DOM_NO_ERR; } /** * Set the t_head Attribute * * \param table The dom_html_table_element object * \param table The dom_html_table_element object */ dom_exception dom_html_table_element_set_t_head( dom_html_table_element *table, dom_html_table_section_element *t_head) { dom_node_internal *check_node = ((dom_node_internal *)t_head); dom_html_document *doc = (dom_html_document *)(((dom_node_internal *)table)->owner); dom_exception exp; dom_node *new_t_head; if (check_node == NULL) { return DOM_HIERARCHY_REQUEST_ERR; } if (!dom_string_caseless_isequal( doc->elements[DOM_HTML_ELEMENT_TYPE_CAPTION], check_node->name)) { return DOM_HIERARCHY_REQUEST_ERR; } exp = dom_html_table_element_delete_t_head(table); if(exp != DOM_NO_ERR) return exp; return dom_node_append_child(table, t_head, &new_t_head); } /** * Get the t_foot Attribute * * \param table The dom_html_table_element object */ dom_exception dom_html_table_element_get_t_foot( dom_html_table_element *table, dom_html_table_section_element **t_foot) { dom_node_internal *node_tmp = ((dom_node_internal *)table); dom_html_document *doc = (dom_html_document *)(node_tmp->owner); for (node_tmp = node_tmp->first_child; node_tmp != NULL; node_tmp = node_tmp->next) { if ((node_tmp->type == DOM_ELEMENT_NODE) && dom_string_caseless_isequal( doc->elements[DOM_HTML_ELEMENT_TYPE_TFOOT], node_tmp->name)) { break; } } *t_foot = (dom_html_table_section_element *)node_tmp; if (*t_foot != NULL) dom_node_ref(*t_foot); return DOM_NO_ERR; } /** * Set the t_foot Attribute * * \param table The dom_html_table_element object */ dom_exception dom_html_table_element_set_t_foot( dom_html_table_element *table, dom_html_table_section_element *t_foot) { dom_node_internal *check_node = ((dom_node_internal *)t_foot); /*< temporary node to check for raised exceptions */ dom_html_document *doc = (dom_html_document *)(((dom_node_internal *)table)->owner); dom_exception exp; dom_node *new_t_foot; if(check_node == NULL) { return DOM_HIERARCHY_REQUEST_ERR; } if(!dom_string_caseless_isequal( doc->elements[DOM_HTML_ELEMENT_TYPE_TFOOT], check_node->name)) { return DOM_HIERARCHY_REQUEST_ERR; } exp = dom_html_table_element_delete_t_foot(table); if(exp != DOM_NO_ERR) return exp; return dom_node_append_child(table, t_foot, &new_t_foot); } /** * Callback for creating the rows collection * * \param node The dom_html_table_element object * \param ctx The dom_html_document object (void *) * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ bool table_rows_callback(struct dom_node_internal *node, void *ctx) { dom_html_document *doc = ctx; if(node->type == DOM_ELEMENT_NODE && dom_string_caseless_isequal(node->name, doc->elements[DOM_HTML_ELEMENT_TYPE_TR])) { return true; } return false; } /** * Get the rows collection * * \param element The dom_html_table_element object * \param rows The Status * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception dom_html_table_element_get_rows( dom_html_table_element *element, dom_html_collection **rows) { dom_html_document *doc = (dom_html_document *) ((dom_node_internal *) element)->owner; return _dom_html_collection_create(doc, (dom_node_internal *)element, table_rows_callback, (void *)doc, rows); } /** * Callback for creating the tbodies collection * * \param node The dom_html_table_element object * \param ctx The dom_html_document object (void *) * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ bool table_t_bodies_callback(struct dom_node_internal *node, void *ctx) { dom_html_document *doc = ctx; if(node->type == DOM_ELEMENT_NODE && dom_string_caseless_isequal(node->name, doc->elements[DOM_HTML_ELEMENT_TYPE_TBODY])) { return true; } return false; } /** * Get the tBodies collection * * \param element The dom_html_table_element object * \param t_bodies The Status * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception dom_html_table_element_get_t_bodies( dom_html_table_element *element, dom_html_collection **t_bodies) { dom_html_document *doc = (dom_html_document *) ((dom_node_internal *) element)->owner; return _dom_html_collection_create(doc, (dom_node_internal *)element, table_t_bodies_callback, (void *)doc, t_bodies); } /** * Get or Create the table caption * * \param element The dom_html_table_element object * \param caption The Status * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception dom_html_table_element_create_caption( dom_html_table_element *element, dom_html_element **caption) { dom_exception exp; if((exp = dom_html_table_element_get_caption(element, (dom_html_table_caption_element **)caption)) != DOM_NO_ERR) { dom_node_unref(*caption); return exp; } if((*caption) == NULL) { dom_node *new_caption; dom_html_document *doc = (dom_html_document *) ((dom_node_internal *) element)->owner; struct dom_html_element_create_params params = { .doc = doc, .name = doc->elements[DOM_HTML_ELEMENT_TYPE_CAPTION], .namespace = ((dom_node_internal *)element)->namespace, .prefix = ((dom_node_internal *)element)->prefix }; exp = _dom_html_table_caption_element_create(¶ms, (dom_html_table_caption_element **)caption); if(exp != DOM_NO_ERR) { dom_node_unref(*caption); return exp; } exp = dom_node_append_child(element, *caption, &new_caption); dom_node_unref(*caption); if(exp == DOM_NO_ERR) *caption = (dom_html_element *)new_caption; } return exp; } /** * Delete the table caption, if one exists * * \param element The dom_html_table_element object * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception dom_html_table_element_delete_caption( dom_html_table_element *element) { dom_html_table_caption_element *caption; dom_node *old_caption; dom_exception err; err = dom_html_table_element_get_caption(element, &caption); if (err != DOM_NO_ERR || caption == NULL) return err; err = dom_node_remove_child(element, caption, &old_caption); if (err == DOM_NO_ERR) { dom_node_unref(old_caption); } dom_node_unref(caption); return err; } /** * Get or Create the table Foot * * \param element The dom_html_table_element object * \param t_foot The Status * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception dom_html_table_element_create_t_foot( dom_html_table_element *element, dom_html_element **t_foot) { dom_exception exp; exp = dom_html_table_element_get_t_foot(element, (dom_html_table_section_element **)t_foot); if (exp !=DOM_NO_ERR) return exp; if ((*t_foot) == NULL) { dom_node *new_t_foot; dom_html_document *doc = (dom_html_document *) ((dom_node_internal *) element)->owner; struct dom_html_element_create_params params = { .doc = doc, .name = doc->elements[DOM_HTML_ELEMENT_TYPE_TFOOT], .namespace = ((dom_node_internal *)element)->namespace, .prefix = ((dom_node_internal *)element)->prefix }; exp = _dom_html_table_section_element_create(¶ms, (dom_html_table_section_element **)t_foot); if (exp != DOM_NO_ERR) { dom_node_unref(*t_foot); return exp; } exp = dom_node_append_child(element, *t_foot, &new_t_foot); dom_node_unref(*t_foot); if (exp == DOM_NO_ERR) *t_foot = (dom_html_element *)new_t_foot; return exp; } return DOM_NO_ERR; } /** * Delete the table Foot, if one exists * * \param element The dom_html_table_element object * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception dom_html_table_element_delete_t_foot( dom_html_table_element *element) { dom_html_table_section_element *t_foot; dom_node *old_t_foot; dom_exception err; err = dom_html_table_element_get_t_foot(element, &t_foot); if (err != DOM_NO_ERR || t_foot == NULL) return err; err = dom_node_remove_child(element, t_foot, &old_t_foot); if (err == DOM_NO_ERR) { dom_node_unref(old_t_foot); } dom_node_unref(t_foot); return err; } /** * Get or Create the table Head * * \param element The dom_html_table_element object * \param t_head The Status * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception dom_html_table_element_create_t_head( dom_html_table_element *element, dom_html_element **t_head) { dom_exception exp; exp = dom_html_table_element_get_t_head(element, (dom_html_table_section_element **)t_head); if(exp != DOM_NO_ERR) { dom_node_unref(*t_head); return exp; } if((*t_head) == NULL) { dom_exception exp; dom_node *new_t_head; dom_html_document *doc = (dom_html_document *) ((dom_node_internal *) element)->owner; struct dom_html_element_create_params params = { .doc = doc, .name = doc->elements[DOM_HTML_ELEMENT_TYPE_THEAD], .namespace = ((dom_node_internal *)element)->namespace, .prefix = ((dom_node_internal *)element)->prefix }; exp = _dom_html_table_section_element_create(¶ms, (dom_html_table_section_element **)t_head); if(exp != DOM_NO_ERR) { dom_node_unref(*t_head); return exp; } exp = dom_node_append_child(element, *t_head, &new_t_head); if(exp == DOM_NO_ERR) { dom_node_unref(*t_head); *t_head = (dom_html_element *)new_t_head; } return exp; } return DOM_NO_ERR; } /** * Delete the table Head, if one exists * * \param element The dom_html_table_element object * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception dom_html_table_element_delete_t_head( dom_html_table_element *element) { dom_html_table_section_element *t_head; dom_node *old_t_head; dom_exception err; err = dom_html_table_element_get_t_head(element, &t_head); if (err != DOM_NO_ERR || t_head == NULL) return err; err = dom_node_remove_child(element, t_head, &old_t_head); if (err == DOM_NO_ERR) { dom_node_unref(old_t_head); } dom_node_unref(t_head); return err; } /** * Get or Create the table Body * * \param element The dom_html_table_element object * \param t_head The Status * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception dom_html_table_element_create_t_body( dom_html_table_element *element, dom_html_table_section_element **t_body) { dom_html_collection *t_bodies; uint32_t len; dom_exception exp; exp = dom_html_table_element_get_t_bodies(element, &t_bodies); if(exp != DOM_NO_ERR) { return exp; } exp = dom_html_collection_get_length(t_bodies, &len); if(exp != DOM_NO_ERR) { dom_html_collection_unref(t_bodies); return exp; } if(len == 0) { dom_node *new_t_body; dom_html_document *doc = (dom_html_document *) ((dom_node_internal *) element)->owner; struct dom_html_element_create_params params = { .doc = doc, .name = doc->elements[DOM_HTML_ELEMENT_TYPE_TBODY], .namespace = ((dom_node_internal *)element)->namespace, .prefix = ((dom_node_internal *)element)->prefix }; exp = _dom_html_table_section_element_create(¶ms, t_body); if(exp != DOM_NO_ERR) { dom_node_unref(*t_body); dom_html_collection_unref(t_bodies); return exp; } exp = dom_node_append_child(element, *t_body, &new_t_body); if(exp == DOM_NO_ERR) { dom_node_unref(*t_body); *t_body = (dom_html_table_section_element *)new_t_body; } } else { exp = dom_html_collection_item(t_bodies, 0, (dom_node **)t_body); } dom_html_collection_unref(t_bodies); return exp; } /** * Insert a new Row into the table * * \param element The dom_html_table_element object * \param index The Index to insert the Row * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception dom_html_table_element_insert_row( dom_html_table_element *element, int32_t index, dom_html_element **row) { dom_exception exp; dom_html_collection* rows; uint32_t len; dom_html_document *doc = (dom_html_document *) ((dom_node_internal *) element)->owner; struct dom_html_element_create_params params = { .doc = doc, .name = doc->elements[DOM_HTML_ELEMENT_TYPE_TR], .namespace = ((dom_node_internal *)element)->namespace, .prefix = ((dom_node_internal *)element)->prefix }; exp = dom_html_table_element_get_rows(element, &rows); if(exp != DOM_NO_ERR) { dom_html_collection_unref(rows); return exp; } exp = dom_html_collection_get_length(rows, &len); if(exp != DOM_NO_ERR) { dom_html_collection_unref(rows); return exp; } exp = _dom_html_table_row_element_create(¶ms, (dom_html_table_row_element **)row); if(exp != DOM_NO_ERR) { dom_node_unref(*row); dom_html_collection_unref(rows); return exp; } if(index > (int32_t)len || index < -1) { exp = DOM_INDEX_SIZE_ERR; } else if(len == 0) { dom_html_table_section_element *new_body; dom_node *new_row; exp = dom_html_table_element_create_t_body(element, &new_body); if(exp != DOM_NO_ERR) { dom_html_collection_unref(rows); dom_node_unref(new_body); return exp; } exp = dom_node_append_child(new_body, *row, &new_row); if(exp == DOM_NO_ERR) { dom_node_unref(*row); *row = (dom_html_element *)new_row; } } else { uint32_t window_len = 0, section_len; dom_html_table_section_element *t_head; dom_html_table_section_element *t_foot; dom_node_internal *n; if(index ==-1) { index = (int32_t)len; } exp = dom_html_table_element_get_t_head(element, &t_head); if (exp != DOM_NO_ERR) return exp; dom_html_collection_unref(rows); exp = dom_html_table_section_element_get_rows(t_head, &rows); if(exp != DOM_NO_ERR) { dom_html_collection_unref(rows); return exp; } dom_html_collection_get_length(rows, §ion_len); if(exp != DOM_NO_ERR) { dom_html_collection_unref(rows); return exp; } if(window_len + section_len > (uint32_t)index || window_len + section_len == len) { dom_html_collection_unref(rows); return dom_html_table_section_element_insert_row(t_head, index-window_len, row); } window_len += section_len; n = (dom_node_internal *)element; dom_html_collection_unref(rows); for (n = n->first_child; n != NULL; n = n->next) { if((n->type == DOM_ELEMENT_NODE) && dom_string_caseless_isequal( doc->elements[DOM_HTML_ELEMENT_TYPE_TBODY], n->name)) { exp = dom_html_table_section_element_get_rows((dom_html_table_section_element *)n, &rows); exp = dom_html_collection_get_length(rows, §ion_len); dom_html_collection_unref(rows); if(window_len + section_len > (uint32_t)index || window_len + section_len == len) { return dom_html_table_section_element_insert_row( (dom_html_table_section_element *)n, index-window_len, row); } window_len += section_len; } } exp = dom_html_table_element_get_t_foot(element, &t_foot); if(exp != DOM_NO_ERR) return exp; exp = dom_html_table_section_element_get_rows(t_foot, &rows); if(exp != DOM_NO_ERR) { dom_html_collection_unref(rows); return exp; } exp = dom_html_collection_get_length(rows, §ion_len); dom_html_collection_unref(rows); if(exp != DOM_NO_ERR) return exp; if(window_len + section_len > (uint32_t)index || window_len +section_len == len) { return dom_html_table_section_element_insert_row(t_foot, index-window_len, row); } exp = DOM_INDEX_SIZE_ERR; } dom_html_collection_unref(rows); return exp; } /** * Delete the table Head, if one exists * * \param element The dom_html_table_element object * \return DOM_NO_ERR on success, appropriate dom_exception on failure. */ dom_exception dom_html_table_element_delete_row( dom_html_table_element *element, int32_t index) { dom_exception exp; dom_html_collection* rows; uint32_t len; dom_html_document *doc = (dom_html_document *) ((dom_node_internal *) element)->owner; exp = dom_html_table_element_get_rows(element, &rows); if(exp != DOM_NO_ERR) { dom_html_collection_unref(rows); return exp; } exp = dom_html_collection_get_length(rows, &len); if(exp != DOM_NO_ERR) { dom_html_collection_unref(rows); return exp; } if(index >= (int32_t)len || index < -1 || len ==0) { dom_html_collection_unref(rows); return DOM_INDEX_SIZE_ERR; } else { uint32_t window_len = 0, section_len; dom_html_table_section_element *t_head; dom_html_table_section_element *t_foot; dom_node_internal *n; if(index ==-1) { index = (int32_t)len-1; } dom_html_collection_unref(rows); exp = dom_html_table_element_get_t_head(element, &t_head); if(exp != DOM_NO_ERR) return exp; exp = dom_html_table_section_element_get_rows(t_head, &rows); if (exp != DOM_NO_ERR) { dom_html_collection_unref(rows); return DOM_NO_ERR; } exp = dom_html_collection_get_length(rows, §ion_len); dom_html_collection_unref(rows); if(exp != DOM_NO_ERR) return exp; if(window_len + section_len > (uint32_t)index) { return dom_html_table_section_element_delete_row(t_head, index-window_len); } window_len += section_len; n = (dom_node_internal *)element; for (n = n->first_child; n != NULL; n = n->next) { if((n->type == DOM_ELEMENT_NODE) && dom_string_caseless_isequal( doc->elements[DOM_HTML_ELEMENT_TYPE_TBODY], n->name)) { exp = dom_html_table_section_element_get_rows ((dom_html_table_section_element *)n, &rows); if(exp != DOM_NO_ERR) { dom_html_collection_unref(rows); return exp; } dom_html_collection_get_length(rows, §ion_len); dom_html_collection_unref(rows); if(exp != DOM_NO_ERR) return exp; if(window_len + section_len > (uint32_t)index) { return dom_html_table_section_element_delete_row( (dom_html_table_section_element *)n, index-window_len); } window_len += section_len; } } exp = dom_html_table_element_get_t_foot(element, &t_foot); exp = dom_html_table_section_element_get_rows(t_foot, &rows); if(exp != DOM_NO_ERR) { dom_html_collection_unref(rows); return exp; } exp = dom_html_collection_get_length(rows, §ion_len); dom_html_collection_unref(rows); if (exp != DOM_NO_ERR) return exp; if(window_len + section_len > (uint32_t)index) { return dom_html_table_section_element_delete_row(t_foot, index-window_len); } return DOM_INDEX_SIZE_ERR; } }