mirror of
https://github.com/lexborisov/Modest
synced 2024-11-22 13:51:39 +03:00
406 lines
14 KiB
C
406 lines
14 KiB
C
/*
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Copyright (C) 2016-2017 Alexander Borisov
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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Author: lex.borisov@gmail.com (Alexander Borisov)
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*/
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#include "mycss/selectors/parser.h"
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#include "mycss/selectors/value_resource.h"
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/////////////////////////////////////////////////////////
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//// Selectors Begin
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////
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/////////////////////////////////////////////////////////
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void mycss_selectors_parser_selector_begin(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = mycss_selectors_entry_create(entry->selectors);
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mycss_selectors_entry_append_to_current(entry->selectors, selector);
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}
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/////////////////////////////////////////////////////////
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//// Selector type
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////
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/////////////////////////////////////////////////////////
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void mycss_selectors_parser_selector_ident_type(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycore_string_t *str = mcobject_malloc(entry->mcobject_string_entries, NULL);
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mycss_token_data_to_string(entry, token, str, true, false);
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/* set default namespace */
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if(entry->stylesheet)
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selector->ns_entry = entry->stylesheet->ns_stylesheet.entry_default;
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selector->type = MyCSS_SELECTORS_TYPE_ELEMENT;
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selector->key = str;
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if(entry->selectors->specificity)
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if(str->length != 1 || *str->data != '*')
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entry->selectors->specificity->c++;
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}
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void mycss_selectors_parser_selector_ident_attr(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycore_string_t *str = mcobject_malloc(entry->mcobject_string_entries, NULL);
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mycss_token_data_to_string(entry, token, str, true, false);
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/* set default namespace */
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if(entry->stylesheet)
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selector->ns_entry = entry->stylesheet->ns_stylesheet.entry_default;
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selector->type = MyCSS_SELECTORS_TYPE_ATTRIBUTE;
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selector->key = str;
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if(entry->selectors->specificity)
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if(str->length != 1 || *str->data != '*')
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entry->selectors->specificity->b++;
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}
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void mycss_selectors_parser_selector_id(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycore_string_t *str = mcobject_malloc(entry->mcobject_string_entries, NULL);
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mycss_token_data_to_string(entry, token, str, true, false);
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/* set default namespace */
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if(entry->stylesheet)
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selector->ns_entry = entry->stylesheet->ns_stylesheet.entry_default;
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selector->type = MyCSS_SELECTORS_TYPE_ID;
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selector->key = str;
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if(entry->selectors->specificity)
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entry->selectors->specificity->a++;
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mycss_selectors_parser_selector_end(entry, token);
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}
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void mycss_selectors_parser_selector_class(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycore_string_t *str = mcobject_malloc(entry->mcobject_string_entries, NULL);
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mycss_token_data_to_string(entry, token, str, true, false);
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/* set default namespace */
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if(entry->stylesheet)
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selector->ns_entry = entry->stylesheet->ns_stylesheet.entry_default;
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selector->type = MyCSS_SELECTORS_TYPE_CLASS;
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selector->key = str;
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if(entry->selectors->specificity)
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entry->selectors->specificity->a++;
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mycss_selectors_parser_selector_end(entry, token);
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}
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/////////////////////////////////////////////////////////
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//// Namespace
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////
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/////////////////////////////////////////////////////////
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void mycss_selectors_parser_selector_namespace(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycore_string_t *str = selector->key;
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if(str == NULL || str->length == 0) {
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mycore_string_destroy(str, 0);
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selector->key = NULL;
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if(entry->stylesheet)
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selector->ns_entry = &entry->stylesheet->ns_stylesheet.entry_undef;
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return;
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}
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if(str->length == 1 && *str->data == '*') {
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mycore_string_destroy(str, 0);
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selector->key = NULL;
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if(entry->stylesheet)
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selector->ns_entry = &entry->stylesheet->ns_stylesheet.entry_any;
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return;
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}
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if(entry->stylesheet)
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selector->ns_entry = mycss_namespace_entry_by_name(entry->ns, entry->stylesheet->ns_stylesheet.name_tree, str->data, str->length, false);
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if(selector->ns_entry == NULL)
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mycss_selectors_parser_expectations_error(entry, token);
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mycore_string_destroy(str, 0);
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selector->key = NULL;
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}
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void mycss_selectors_parser_selector_namespace_ident(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycss_selectors_parser_selector_namespace(entry, token);
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if(selector->type == MyCSS_SELECTORS_TYPE_UNDEF)
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selector->type = MyCSS_SELECTORS_TYPE_ELEMENT;
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}
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void mycss_selectors_parser_selector_namespace_attr(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycss_selectors_parser_selector_namespace(entry, token);
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if(selector->type == MyCSS_SELECTORS_TYPE_UNDEF)
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selector->type = MyCSS_SELECTORS_TYPE_ATTRIBUTE;
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}
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void mycss_selectors_parser_selector_after_namespace(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycore_string_t *str = mcobject_malloc(entry->mcobject_string_entries, NULL);
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mycss_token_data_to_string(entry, token, str, true, true);
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selector->key = str;
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if(entry->selectors->specificity) {
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if(selector->ns_entry == &entry->stylesheet->ns_stylesheet.entry_any) {
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if(selector->type == MyCSS_SELECTORS_TYPE_ATTRIBUTE)
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entry->selectors->specificity->b--;
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else
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entry->selectors->specificity->c--;
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}
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if(str->length != 1 || *str->data != '*') {
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if(selector->type == MyCSS_SELECTORS_TYPE_ATTRIBUTE)
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entry->selectors->specificity->b++;
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else
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entry->selectors->specificity->c++;
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}
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}
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}
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/////////////////////////////////////////////////////////
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//// Value and Modifier
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////
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/////////////////////////////////////////////////////////
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void mycss_selectors_parser_selector_value(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycss_selectors_object_attribute_t *attr = selector->value;
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mycore_string_t *str = mcobject_malloc(entry->mcobject_string_entries, NULL);
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mycss_token_data_to_string(entry, token, str, true, false);
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attr->value = str;
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}
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void mycss_selectors_parser_selector_modifier(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycss_selector_value_attribute(selector->value)->mod = MyCSS_SELECTORS_MOD_I;
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}
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/////////////////////////////////////////////////////////
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//// Pseudo Class
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////
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/////////////////////////////////////////////////////////
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void mycss_selectors_parser_selector_pseudo_class(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycore_string_t *str = mcobject_malloc(entry->mcobject_string_entries, NULL);
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mycss_token_data_to_string(entry, token, str, true, true);
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selector->sub_type = mycss_pseudo_class_by_name(str->data, str->length);
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selector->key = str;
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selector->type = MyCSS_SELECTORS_TYPE_PSEUDO_CLASS;
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/* hack for elements */
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if(selector->sub_type == MyCSS_SELECTORS_SUB_TYPE_PSEUDO_CLASS_UNKNOWN) {
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selector->sub_type = mycss_pseudo_element_by_name(str->data, str->length);
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if(selector->sub_type == MyCSS_SELECTORS_SUB_TYPE_PSEUDO_ELEMENT_UNKNOWN) {
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selector->flags |= MyCSS_SELECTORS_FLAGS_SELECTOR_BAD;
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}
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else {
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selector->type = MyCSS_SELECTORS_TYPE_PSEUDO_ELEMENT;
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}
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}
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if(entry->selectors->specificity)
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entry->selectors->specificity->b++;
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mycss_selectors_parser_check_and_set_bad_parent_selector(entry, entry->selectors->list_last);
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mycss_selectors_parser_selector_end(entry, token);
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}
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void mycss_selectors_parser_selector_pseudo_class_function(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycore_string_t *str = mcobject_malloc(entry->mcobject_string_entries, NULL);
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mycss_token_data_to_string(entry, token, str, true, true);
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selector->key = str;
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selector->type = MyCSS_SELECTORS_TYPE_PSEUDO_CLASS_FUNCTION;
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entry->parser_ending_token = MyCSS_TOKEN_TYPE_RIGHT_PARENTHESIS;
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mycss_entry_parser_list_push(entry, mycss_selectors_state_simple_selector_colon_function, entry->parser_switch, entry->selectors->ending_token, false);
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if(entry->selectors->specificity)
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entry->selectors->specificity->b++;
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mycss_selectors_function_begin_f to_func = mycss_function_begin_by_name(str->data, str->length);
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// FRANK
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// printf("\nmycss_selectors_parser_selector_pseudo_class_function()\n");
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// printf("\tbegin_by_name = '%s'\n\t%s\n", str->data, (to_func) ? "exists" : "does not exist");
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if(to_func) {
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to_func(entry, selector);
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}
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else {
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/* skip and set bad type for current selector */
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selector->flags |= MyCSS_SELECTORS_FLAGS_SELECTOR_BAD;
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if(entry->selectors->list_last)
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entry->selectors->list_last->flags |= MyCSS_SELECTORS_FLAGS_SELECTOR_BAD;
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mycss_selectors_begin_unknown(entry, selector);
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}
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}
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void mycss_selectors_parser_selector_pseudo_class_function_end(mycss_entry_t* entry, mycss_token_t* token)
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{
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entry->selectors->ending_token = entry->parser_ending_token;
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mycss_selectors_parser_check_and_set_bad_parent_selector(entry, entry->selectors->list_last);
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mycss_selectors_parser_selector_end(entry, token);
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}
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/////////////////////////////////////////////////////////
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//// Pseudo Element
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////
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/////////////////////////////////////////////////////////
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void mycss_selectors_parser_selector_pseudo_element(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycore_string_t *str = mcobject_malloc(entry->mcobject_string_entries, NULL);
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mycss_token_data_to_string(entry, token, str, true, true);
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selector->key = str;
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selector->type = MyCSS_SELECTORS_TYPE_PSEUDO_ELEMENT;
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selector->sub_type = mycss_pseudo_element_by_name(str->data, str->length);
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if(selector->sub_type == MyCSS_SELECTORS_SUB_TYPE_PSEUDO_ELEMENT_UNKNOWN)
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selector->flags |= MyCSS_SELECTORS_FLAGS_SELECTOR_BAD;
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if(entry->selectors->specificity)
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entry->selectors->specificity->c++;
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mycss_selectors_parser_check_and_set_bad_parent_selector(entry, entry->selectors->list_last);
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mycss_selectors_parser_selector_end(entry, token);
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}
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void mycss_selectors_parser_selector_pseudo_element_function(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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mycore_string_t *str = mcobject_malloc(entry->mcobject_string_entries, NULL);
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mycss_token_data_to_string(entry, token, str, true, true);
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selector->key = str;
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selector->type = MyCSS_SELECTORS_TYPE_PSEUDO_ELEMENT_FUNCTION;
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selector->flags |= MyCSS_SELECTORS_FLAGS_SELECTOR_BAD;
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mycss_selectors_begin_unknown(entry, selector);
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if(entry->selectors->specificity)
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entry->selectors->specificity->c++;
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}
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void mycss_selectors_parser_selector_pseudo_element_function_end(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_parser_check_and_set_bad_parent_selector(entry, entry->selectors->list_last);
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mycss_selectors_parser_selector_end(entry, token);
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}
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/////////////////////////////////////////////////////////
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//// End and bad selectors
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////
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/////////////////////////////////////////////////////////
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void mycss_selectors_parser_selector_end(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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if(entry->callback_selector_done)
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entry->callback_selector_done(entry->selectors, selector);
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}
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void mycss_selectors_parser_expectations_error(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_t *selectors = entry->selectors;
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selectors->entry_last->flags |= MyCSS_SELECTORS_FLAGS_SELECTOR_BAD;
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if(entry->selectors->list_last)
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entry->selectors->list_last->flags |= MyCSS_SELECTORS_FLAGS_SELECTOR_BAD;
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}
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void mycss_selectors_parser_bad_token(mycss_entry_t* entry, mycss_token_t* token)
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{
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mycss_selectors_entry_t *selector = entry->selectors->entry_last;
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if((selector->flags & MyCSS_SELECTORS_FLAGS_SELECTOR_BAD) == 0) {
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selector->flags |= MyCSS_SELECTORS_FLAGS_SELECTOR_BAD;
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mycore_string_t *str = mcobject_malloc(entry->mcobject_string_entries, NULL);
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selector->key = str;
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mycss_token_data_to_string(entry, token, selector->key, true, false);
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return;
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}
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mycss_token_data_to_string(entry, token, selector->key, false, false);
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}
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/////////////////////////////////////////////////////////
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//// Set bad
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////
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/////////////////////////////////////////////////////////
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void mycss_selectors_parser_check_and_set_bad_parent_selector(mycss_entry_t* entry, mycss_selectors_list_t* selectors_list)
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{
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mycss_selectors_list_t *list = entry->selectors->list_last;
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if(list && entry->selectors->entry_last->flags & MyCSS_SELECTORS_FLAGS_SELECTOR_BAD)
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{
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if((list->flags & MyCSS_SELECTORS_FLAGS_SELECTOR_BAD) == 0)
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list->flags |= MyCSS_SELECTORS_FLAGS_SELECTOR_BAD;
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}
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}
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