Method insert

common/peg-parser.cpp:131–153

    }

    void insert(const std::string & word) {
        size_t current = 0;
        size_t pos     = 0;
        while (pos < word.length()) {
            auto result = common_parse_utf8_codepoint(word, pos);
            if (result.status != utf8_parse_result::SUCCESS) {
                break;
            }

            uint32_t ch = result.codepoint;
            pos += result.bytes_consumed;

            auto it = nodes[current].children.find(ch);
            if (it == nodes[current].children.end()) {
                size_t child = create_node();
                nodes[current].children[ch] = child;
                current = child;
            } else {
                current = it->second;
            }
        }
        nodes[current].is_word = true;
    }
};

static std::pair<uint32_t, size_t> parse_hex_escape(const std::string & str, size_t pos, int hex_count) {