tdeunicodedata.cpp

#include "tdeunicodedata.h"
 
#include <algorithm>
#include <iterator>
 
// Generated category/subcategory data
#include "tdeunicodedata_categories.cpp"
 
TDEUnicodeData *TDEUnicodeData::s_instance = nullptr;
 
TDEUnicodeData *TDEUnicodeData::instance()
{
    if (!s_instance)
        s_instance = new TDEUnicodeData;
    return s_instance;
}
 
TDEUnicodeData::TDEUnicodeData()
    : m_categories(categories),
      m_categories_size(categories_size)
{
}
 
const TDEUnicodeData::Category *TDEUnicodeData::findCategory(char32_t codepoint) const
{
    if (m_categories_size == 0)
        return nullptr;
 
    const Category *begin = std::begin(categories);
    const Category *end = std::end(categories);
    const Category *it = std::lower_bound(begin, end, codepoint,
        [](const Category &c, char32_t cp) { return c.index <= cp; });
 
    if (it == begin)
        return nullptr;
    return it - 1;
}
 
const TDEUnicodeData::Subcategory *TDEUnicodeData::findSubcategory(char32_t codepoint) const
{
    const Category *category = findCategory(codepoint);
    return category ? findSubcategory(category, codepoint) : nullptr;
}
 
const TDEUnicodeData::Subcategory *TDEUnicodeData::findSubcategory(const Category *category, char32_t codepoint) const
{
    if (!category || category->subcategories_size == 0)
        return nullptr;
 
    const Subcategory *begin = category->subcategories;
    const Subcategory *end = category->subcategories + category->subcategories_size;
    const Subcategory *it = std::lower_bound(begin, end, codepoint,
        [](const Subcategory &s, char32_t cp) { return s.index <= cp; });
 
    if (it == begin)
        return nullptr;
    return it - 1;
}