/* Copyright (C) 2015-2017 Alexander Borisov This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Author: lex.borisov@gmail.com (Alexander Borisov) */ #ifndef MyHTML_TREE_H #define MyHTML_TREE_H #pragma once #ifdef __cplusplus extern "C" { #endif #include #include #include #include #include #include #include #include #include #include #define myhtml_tree_get(tree, attr) tree->attr #define myhtml_tree_set(tree, attr) tree->attr #define myhtml_tree_token_current(tree) myhtml_tree_get(tree, token_current) #define myhtml_tree_token_attr_current(tree) myhtml_tree_get(tree, attr_current) #define myhtml_tree_node_get(tree, node_id, attr) tree->nodes[node_id].attr #define myhtml_tree_node_callback_insert(tree, node) \ if(tree->callback_tree_node_insert) \ tree->callback_tree_node_insert(tree, node, tree->callback_tree_node_insert_ctx) #define myhtml_tree_node_callback_remove(tree, node) \ if(tree->callback_tree_node_remove) \ tree->callback_tree_node_remove(tree, node, tree->callback_tree_node_remove_ctx) enum myhtml_tree_node_type { MyHTML_TYPE_NONE = 0, MyHTML_TYPE_BLOCK = 1, MyHTML_TYPE_INLINE = 2, MyHTML_TYPE_TABLE = 3, MyHTML_TYPE_META = 4, MyHTML_TYPE_COMMENT = 5 }; enum myhtml_close_type { MyHTML_CLOSE_TYPE_NONE = 0, MyHTML_CLOSE_TYPE_NOW = 1, MyHTML_CLOSE_TYPE_SELF = 2, MyHTML_CLOSE_TYPE_BLOCK = 3 }; enum myhtml_tree_node_flags { MyHTML_TREE_NODE_UNDEF = 0, MyHTML_TREE_NODE_PARSER_INSERTED = 1, MyHTML_TREE_NODE_BLOCKING = 2 }; struct myhtml_tree_node { enum myhtml_tree_node_flags flags; myhtml_tag_id_t tag_id; enum myhtml_namespace ns; myhtml_tree_node_t* prev; myhtml_tree_node_t* next; myhtml_tree_node_t* child; myhtml_tree_node_t* parent; myhtml_tree_node_t* last_child; myhtml_token_node_t* token; void* data; myhtml_tree_t* tree; }; enum myhtml_tree_compat_mode { MyHTML_TREE_COMPAT_MODE_NO_QUIRKS = 0x00, MyHTML_TREE_COMPAT_MODE_QUIRKS = 0x01, MyHTML_TREE_COMPAT_MODE_LIMITED_QUIRKS = 0x02 }; enum myhtml_tree_doctype_id { MyHTML_TREE_DOCTYPE_ID_NAME = 0x00, MyHTML_TREE_DOCTYPE_ID_SYSTEM = 0x01, MyHTML_TREE_DOCTYPE_ID_PUBLIC = 0x02 }; enum myhtml_tree_insertion_mode { MyHTML_TREE_INSERTION_MODE_DEFAULT = 0x00, MyHTML_TREE_INSERTION_MODE_BEFORE = 0x01, MyHTML_TREE_INSERTION_MODE_AFTER = 0x02 }; struct myhtml_async_args { size_t mchar_node_id; }; struct myhtml_tree_doctype { bool is_html; char* attr_name; char* attr_public; char* attr_system; }; struct myhtml_tree_list { myhtml_tree_node_t** list; volatile size_t length; size_t size; }; struct myhtml_tree_token_list { myhtml_token_node_t** list; size_t length; size_t size; }; struct myhtml_tree_insertion_list { enum myhtml_insertion_mode* list; size_t length; size_t size; }; struct myhtml_tree_temp_tag_name { char *data; size_t length; size_t size; }; struct myhtml_tree_special_token { myhtml_token_node_t *token; myhtml_namespace_t ns; } typedef myhtml_tree_special_token_t; struct myhtml_tree_special_token_list { myhtml_tree_special_token_t *list; size_t length; size_t size; } typedef myhtml_tree_special_token_list_t; struct myhtml_tree_temp_stream { struct myhtml_tree_temp_tag_name** data; size_t length; size_t size; myencoding_result_t res; struct myhtml_tree_temp_tag_name* current; }; struct myhtml_tree { // ref myhtml_t* myhtml; mchar_async_t* mchar; myhtml_token_t* token; mcobject_async_t* tree_obj; mcsync_t* sync; mythread_queue_list_entry_t* queue_entry; mythread_queue_t* queue; myhtml_tag_t* tags; void* modest; void* context; // init id's size_t mcasync_rules_token_id; size_t mcasync_rules_attr_id; size_t mcasync_tree_id; /* * mchar_node_id * for rules, or if single mode, * or for main thread only after parsing */ size_t mchar_node_id; myhtml_token_attr_t* attr_current; myhtml_tag_id_t tmp_tag_id; myhtml_token_node_t* current_token_node; mythread_queue_node_t* current_qnode; mcobject_t* mcobject_incoming_buf; mycore_incoming_buffer_t* incoming_buf; mycore_incoming_buffer_t* incoming_buf_first; // ref for nodes myhtml_tree_node_t* document; myhtml_tree_node_t* fragment; myhtml_tree_node_t* node_head; myhtml_tree_node_t* node_html; myhtml_tree_node_t* node_body; myhtml_tree_node_t* node_form; myhtml_tree_doctype_t doctype; // for build tree myhtml_tree_list_t* active_formatting; myhtml_tree_list_t* open_elements; myhtml_tree_list_t* other_elements; myhtml_tree_token_list_t* token_list; myhtml_tree_insertion_list_t* template_insertion; myhtml_async_args_t* async_args; myhtml_stream_buffer_t* stream_buffer; myhtml_token_node_t* volatile token_last_done; // for detect namespace out of tree builder myhtml_token_node_t* token_namespace; // tree params enum myhtml_tokenizer_state state; enum myhtml_tokenizer_state state_of_builder; enum myhtml_insertion_mode insert_mode; enum myhtml_insertion_mode orig_insert_mode; enum myhtml_tree_compat_mode compat_mode; volatile enum myhtml_tree_flags flags; volatile myhtml_tree_parse_flags_t parse_flags; bool foster_parenting; size_t global_offset; mystatus_t tokenizer_status; myencoding_t encoding; myencoding_t encoding_usereq; myhtml_tree_temp_tag_name_t temp_tag_name; /* callback */ myhtml_callback_token_f callback_before_token; myhtml_callback_token_f callback_after_token; void* callback_before_token_ctx; void* callback_after_token_ctx; myhtml_callback_tree_node_f callback_tree_node_insert; myhtml_callback_tree_node_f callback_tree_node_remove; void* callback_tree_node_insert_ctx; void* callback_tree_node_remove_ctx; }; // base myhtml_tree_t * myhtml_tree_create(void); mystatus_t myhtml_tree_init(myhtml_tree_t* tree, myhtml_t* myhtml); void myhtml_tree_clean(myhtml_tree_t* tree); void myhtml_tree_clean_all(myhtml_tree_t* tree); myhtml_tree_t * myhtml_tree_destroy(myhtml_tree_t* tree); /* parse flags */ myhtml_tree_parse_flags_t myhtml_tree_parse_flags(myhtml_tree_t* tree); void myhtml_tree_parse_flags_set(myhtml_tree_t* tree, myhtml_tree_parse_flags_t flags); myhtml_t * myhtml_tree_get_myhtml(myhtml_tree_t* tree); myhtml_tag_t * myhtml_tree_get_tag(myhtml_tree_t* tree); myhtml_tree_node_t * myhtml_tree_get_document(myhtml_tree_t* tree); myhtml_tree_node_t * myhtml_tree_get_node_html(myhtml_tree_t* tree); myhtml_tree_node_t * myhtml_tree_get_node_head(myhtml_tree_t* tree); myhtml_tree_node_t * myhtml_tree_get_node_body(myhtml_tree_t* tree); mchar_async_t * myhtml_tree_get_mchar(myhtml_tree_t* tree); size_t myhtml_tree_get_mchar_node_id(myhtml_tree_t* tree); // list myhtml_tree_list_t * myhtml_tree_list_init(void); void myhtml_tree_list_clean(myhtml_tree_list_t* list); myhtml_tree_list_t * myhtml_tree_list_destroy(myhtml_tree_list_t* list, bool destroy_self); void myhtml_tree_list_append(myhtml_tree_list_t* list, myhtml_tree_node_t* node); void myhtml_tree_list_append_after_index(myhtml_tree_list_t* list, myhtml_tree_node_t* node, size_t index); void myhtml_tree_list_insert_by_index(myhtml_tree_list_t* list, myhtml_tree_node_t* node, size_t index); myhtml_tree_node_t * myhtml_tree_list_current_node(myhtml_tree_list_t* list); // token list myhtml_tree_token_list_t * myhtml_tree_token_list_init(void); void myhtml_tree_token_list_clean(myhtml_tree_token_list_t* list); myhtml_tree_token_list_t * myhtml_tree_token_list_destroy(myhtml_tree_token_list_t* list, bool destroy_self); void myhtml_tree_token_list_append(myhtml_tree_token_list_t* list, myhtml_token_node_t* token); void myhtml_tree_token_list_append_after_index(myhtml_tree_token_list_t* list, myhtml_token_node_t* token, size_t index); myhtml_token_node_t * myhtml_tree_token_list_current_node(myhtml_tree_token_list_t* list); // active formatting myhtml_tree_list_t * myhtml_tree_active_formatting_init(myhtml_tree_t* tree); void myhtml_tree_active_formatting_clean(myhtml_tree_t* tree); myhtml_tree_list_t * myhtml_tree_active_formatting_destroy(myhtml_tree_t* tree); bool myhtml_tree_active_formatting_is_marker(myhtml_tree_t* tree, myhtml_tree_node_t* idx); myhtml_tree_node_t* myhtml_tree_active_formatting_between_last_marker(myhtml_tree_t* tree, myhtml_tag_id_t tag_idx, size_t* return_idx); void myhtml_tree_active_formatting_append(myhtml_tree_t* tree, myhtml_tree_node_t* node); void myhtml_tree_active_formatting_append_with_check(myhtml_tree_t* tree, myhtml_tree_node_t* node); void myhtml_tree_active_formatting_pop(myhtml_tree_t* tree); void myhtml_tree_active_formatting_remove(myhtml_tree_t* tree, myhtml_tree_node_t* node); void myhtml_tree_active_formatting_remove_by_index(myhtml_tree_t* tree, size_t idx); void myhtml_tree_active_formatting_reconstruction(myhtml_tree_t* tree); void myhtml_tree_active_formatting_up_to_last_marker(myhtml_tree_t* tree); bool myhtml_tree_active_formatting_find(myhtml_tree_t* tree, myhtml_tree_node_t* idx, size_t* return_idx); myhtml_tree_node_t* myhtml_tree_active_formatting_current_node(myhtml_tree_t* tree); // open elements myhtml_tree_list_t * myhtml_tree_open_elements_init(myhtml_tree_t* tree); void myhtml_tree_open_elements_clean(myhtml_tree_t* tree); myhtml_tree_list_t * myhtml_tree_open_elements_destroy(myhtml_tree_t* tree); myhtml_tree_node_t* myhtml_tree_current_node(myhtml_tree_t* tree); myhtml_tree_node_t * myhtml_tree_adjusted_current_node(myhtml_tree_t* tree); void myhtml_tree_open_elements_append(myhtml_tree_t* tree, myhtml_tree_node_t* node); void myhtml_tree_open_elements_append_after_index(myhtml_tree_t* tree, myhtml_tree_node_t* node, size_t index); void myhtml_tree_open_elements_pop(myhtml_tree_t* tree); void myhtml_tree_open_elements_pop_until(myhtml_tree_t* tree, myhtml_tag_id_t tag_idx, myhtml_namespace_t mynamespace, bool is_exclude); void myhtml_tree_open_elements_pop_until_by_node(myhtml_tree_t* tree, myhtml_tree_node_t* node_idx, bool is_exclude); void myhtml_tree_open_elements_pop_until_by_index(myhtml_tree_t* tree, size_t idx, bool is_exclude); void myhtml_tree_open_elements_remove(myhtml_tree_t* tree, myhtml_tree_node_t* node); bool myhtml_tree_open_elements_find(myhtml_tree_t* tree, myhtml_tree_node_t* idx, size_t* pos); bool myhtml_tree_open_elements_find_reverse(myhtml_tree_t* tree, myhtml_tree_node_t* idx, size_t* pos); myhtml_tree_node_t * myhtml_tree_open_elements_find_by_tag_idx(myhtml_tree_t* tree, myhtml_tag_id_t tag_idx, myhtml_namespace_t mynamespace, size_t* return_index); myhtml_tree_node_t * myhtml_tree_open_elements_find_by_tag_idx_reverse(myhtml_tree_t* tree, myhtml_tag_id_t tag_idx, myhtml_namespace_t mynamespace, size_t* return_index); myhtml_tree_node_t * myhtml_tree_element_in_scope(myhtml_tree_t* tree, myhtml_tag_id_t tag_idx, myhtml_namespace_t mynamespace, enum myhtml_tag_categories category); bool myhtml_tree_element_in_scope_by_node(myhtml_tree_node_t* node, enum myhtml_tag_categories category); void myhtml_tree_generate_implied_end_tags(myhtml_tree_t* tree, myhtml_tag_id_t exclude_tag_idx, myhtml_namespace_t mynamespace); void myhtml_tree_generate_all_implied_end_tags(myhtml_tree_t* tree, myhtml_tag_id_t exclude_tag_idx, myhtml_namespace_t mynamespace); myhtml_tree_node_t * myhtml_tree_appropriate_place_inserting(myhtml_tree_t* tree, myhtml_tree_node_t* override_target, enum myhtml_tree_insertion_mode* mode); myhtml_tree_node_t * myhtml_tree_appropriate_place_inserting_in_tree(myhtml_tree_node_t* target, enum myhtml_tree_insertion_mode* mode); // template insertion myhtml_tree_insertion_list_t * myhtml_tree_template_insertion_init(myhtml_tree_t* tree); void myhtml_tree_template_insertion_clean(myhtml_tree_t* tree); myhtml_tree_insertion_list_t * myhtml_tree_template_insertion_destroy(myhtml_tree_t* tree); void myhtml_tree_template_insertion_append(myhtml_tree_t* tree, enum myhtml_insertion_mode insert_mode); void myhtml_tree_template_insertion_pop(myhtml_tree_t* tree); void myhtml_tree_reset_insertion_mode_appropriately(myhtml_tree_t* tree); bool myhtml_tree_adoption_agency_algorithm(myhtml_tree_t* tree, myhtml_token_node_t* token, myhtml_tag_id_t subject_tag_idx); size_t myhtml_tree_template_insertion_length(myhtml_tree_t* tree); // other for a tree myhtml_tree_node_t * myhtml_tree_node_create(myhtml_tree_t* tree); void myhtml_tree_node_delete(myhtml_tree_node_t* node); void myhtml_tree_node_delete_recursive(myhtml_tree_node_t* node); void myhtml_tree_node_clean(myhtml_tree_node_t* tree_node); void myhtml_tree_node_free(myhtml_tree_node_t* node); myhtml_tree_node_t * myhtml_tree_node_clone(myhtml_tree_node_t* node); void myhtml_tree_node_add_child(myhtml_tree_node_t* root, myhtml_tree_node_t* node); void myhtml_tree_node_insert_before(myhtml_tree_node_t* root, myhtml_tree_node_t* node); void myhtml_tree_node_insert_after(myhtml_tree_node_t* root, myhtml_tree_node_t* node); void myhtml_tree_node_insert_by_mode(myhtml_tree_node_t* adjusted_location, myhtml_tree_node_t* node, enum myhtml_tree_insertion_mode mode); myhtml_tree_node_t * myhtml_tree_node_remove(myhtml_tree_node_t* node); myhtml_tree_node_t * myhtml_tree_node_insert_html_element(myhtml_tree_t* tree, myhtml_token_node_t* token); myhtml_tree_node_t * myhtml_tree_node_insert_foreign_element(myhtml_tree_t* tree, myhtml_token_node_t* token); myhtml_tree_node_t * myhtml_tree_node_insert_by_token(myhtml_tree_t* tree, myhtml_token_node_t* token, myhtml_namespace_t ns); myhtml_tree_node_t * myhtml_tree_node_insert(myhtml_tree_t* tree, myhtml_tag_id_t tag_idx, myhtml_namespace_t ns); myhtml_tree_node_t * myhtml_tree_node_insert_by_node(myhtml_tree_t* tree, myhtml_tree_node_t* idx); myhtml_tree_node_t * myhtml_tree_node_insert_comment(myhtml_tree_t* tree, myhtml_token_node_t* token, myhtml_tree_node_t* parent); myhtml_tree_node_t * myhtml_tree_node_insert_doctype(myhtml_tree_t* tree, myhtml_token_node_t* token); myhtml_tree_node_t * myhtml_tree_node_insert_root(myhtml_tree_t* tree, myhtml_token_node_t* token, myhtml_namespace_t ns); myhtml_tree_node_t * myhtml_tree_node_insert_text(myhtml_tree_t* tree, myhtml_token_node_t* token); myhtml_tree_node_t * myhtml_tree_node_find_parent_by_tag_id(myhtml_tree_node_t* node, myhtml_tag_id_t tag_id); // other void myhtml_tree_wait_for_last_done_token(myhtml_tree_t* tree, myhtml_token_node_t* token_for_wait); void myhtml_tree_tags_close_p(myhtml_tree_t* tree, myhtml_token_node_t* token); myhtml_tree_node_t * myhtml_tree_generic_raw_text_element_parsing_algorithm(myhtml_tree_t* tree, myhtml_token_node_t* token_node); void myhtml_tree_clear_stack_back_table_context(myhtml_tree_t* tree); void myhtml_tree_clear_stack_back_table_body_context(myhtml_tree_t* tree); void myhtml_tree_clear_stack_back_table_row_context(myhtml_tree_t* tree); void myhtml_tree_close_cell(myhtml_tree_t* tree, myhtml_tree_node_t* tr_or_th_node, myhtml_token_node_t* token); bool myhtml_tree_is_mathml_integration_point(myhtml_tree_t* tree, myhtml_tree_node_t* node); bool myhtml_tree_is_html_integration_point(myhtml_tree_t* tree, myhtml_tree_node_t* node); // temp tag name mystatus_t myhtml_tree_temp_tag_name_init(myhtml_tree_temp_tag_name_t* temp_tag_name); void myhtml_tree_temp_tag_name_clean(myhtml_tree_temp_tag_name_t* temp_tag_name); myhtml_tree_temp_tag_name_t * myhtml_tree_temp_tag_name_destroy(myhtml_tree_temp_tag_name_t* temp_tag_name, bool self_destroy); mystatus_t myhtml_tree_temp_tag_name_append(myhtml_tree_temp_tag_name_t* temp_tag_name, const char* name, size_t name_len); mystatus_t myhtml_tree_temp_tag_name_append_one(myhtml_tree_temp_tag_name_t* temp_tag_name, const char name); /* special tonek list */ mystatus_t myhtml_tree_special_list_init(myhtml_tree_special_token_list_t* special); mystatus_t myhtml_tree_special_list_append(myhtml_tree_special_token_list_t* special, myhtml_token_node_t *token, myhtml_namespace_t ns); size_t myhtml_tree_special_list_length(myhtml_tree_special_token_list_t* special); myhtml_tree_special_token_t * myhtml_tree_special_list_get_last(myhtml_tree_special_token_list_t* special); size_t myhtml_tree_special_list_pop(myhtml_tree_special_token_list_t* special); /* incoming buffer */ mycore_incoming_buffer_t * myhtml_tree_incoming_buffer_first(myhtml_tree_t *tree); const char * myhtml_tree_incomming_buffer_make_data(myhtml_tree_t *tree, size_t begin, size_t length); #ifdef __cplusplus } /* extern "C" */ #endif #endif /* myhtml_tree_h */