string_filter.h

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class string_filter_noncasesensitive {
public:
    string_filter_noncasesensitive(const char * p_string,t_size p_string_len = ~0) {
        ::uStringLower(m_pattern,p_string,p_string_len);
    }

    bool test(const char * p_string,t_size p_string_len = ~0) const {
        ::uStringLower(m_lowercasebuffer,p_string,p_string_len);
        t_size walk = 0;
        while(m_pattern[walk] != 0) {
            while(m_pattern[walk] == ' ') walk++;
            t_size delta = 0;
            while(m_pattern[walk+delta] != 0 && m_pattern[walk+delta] != ' ') delta++;
            if (delta > 0) {
                if (pfc::string_find_first_ex(m_lowercasebuffer,~0,m_pattern+walk,delta) == ~0) return false;
            }
            walk += delta;
        }
        return true;
    }
private:
    mutable pfc::string8_fastalloc m_lowercasebuffer;
    pfc::string8 m_pattern;
};