Modest/source/mycss/values/units.c
2017-03-03 09:20:23 +03:00

75 lines
2.5 KiB
C

/*
Copyright (C) 2016 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)
*/
#include "mycss/values/units.h"
#include "mycss/values/units_resources.h"
#include "mycore/utils/resources.h"
const mycss_units_index_static_entry_t * mycss_units_index_entry_by_name(const char* name, size_t length)
{
if(length == 0)
return NULL;
size_t idx = ((mycore_string_chars_lowercase_map[ (const unsigned char)name[0] ] *
mycore_string_chars_lowercase_map[ (const unsigned char)name[(length - 1)] ] *
length)
% MyCSS_UNITS_STATIC_INDEX_FOR_SEARCH_SIZE) + 1;
while (mycss_units_index_static_for_search[idx].name)
{
if(mycss_units_index_static_for_search[idx].name_length == length) {
if(mycore_strncasecmp(mycss_units_index_static_for_search[idx].name, name, length) == 0)
return &mycss_units_index_static_for_search[idx];
if(mycss_units_index_static_for_search[idx].next)
idx = mycss_units_index_static_for_search[idx].next;
else
return NULL;
}
else if(mycss_units_index_static_for_search[idx].name_length > length) {
return NULL;
}
else {
idx = mycss_units_index_static_for_search[idx].next;
}
}
return NULL;
}
mycss_units_type_t mycss_units_type_by_name(const char *name, size_t length)
{
const mycss_units_index_static_entry_t *entry = mycss_units_index_entry_by_name(name, length);
if(entry)
return entry->unit_type;
return MyCSS_UNIT_TYPE_UNDEF;
}
const char * mycss_units_name_by_type(mycss_units_type_t unit_type)
{
if(unit_type >= MyCSS_UNIT_TYPE_LAST_ENTRY)
return NULL;
return mycss_units_index_name[unit_type];
}