void parse()

in src/main/cpp/properties.cpp [30:365]
263 lines of code
70 McCabe index (conditional complexity)

		void parse(LogString& in, Properties& properties)
		{
			LogString key, element;
			LexemType lexemType = BEGIN;
			logchar c;
			bool finished = false;

			if (!get(in, c))
			{
				return;
			}

			while (!finished)
			{
				switch (lexemType)
				{
					case BEGIN:
						switch (c)
						{
							case 0x20: // ' '
							case 0x09: // '\t'
							case 0x0A: // '\n'
							case 0x0D: // '\r'
								if (!get(in, c))
								{
									finished = true;
								}

								break;

							case 0x23: // '#'
							case 0x21: // '!'
								lexemType = COMMENT;

								if (!get(in, c))
								{
									finished = true;
								}

								break;

							default:
								lexemType = KEY;
								break;
						}

						break;

					case KEY:
						switch (c)
						{
							case 0x5C: // '\\'
								lexemType = KEY_ESCAPE;

								if (!get(in, c))
								{
									finished = true;
								}

								break;

							case 0x09: // '\t'
							case 0x20: // ' '
							case 0x3A: // ':'
							case 0x3D: // '='
								lexemType = DELIMITER;

								if (!get(in, c))
								{
									finished = true;
								}

								break;

							case 0x0A:
							case 0x0D:
								// key associated with an empty string element
								properties.setProperty(key, LogString());
								key.erase(key.begin(), key.end());
								lexemType = BEGIN;

								if (!get(in, c))
								{
									finished = true;
								}

								break;

							default:
								key.append(1, c);

								if (!get(in, c))
								{
									finished = true;
								}

								break;
						}

						break;

					case KEY_ESCAPE:
						switch (c)
						{
							case 0x74: // 't'
								key.append(1, 0x09);
								lexemType = KEY;
								break;

							case 0x6E: // 'n'
								key.append(1, 0x0A);
								lexemType = KEY;
								break;

							case 0x72: // 'r'
								key.append(1, 0x0D);
								lexemType = KEY;
								break;

							case 0x0A: // '\n'
								lexemType = KEY_CONTINUE;
								break;

							case 0x0D: // '\r'
								lexemType = KEY_CONTINUE2;
								break;

							default:
								key.append(1, c);
								lexemType = KEY;
						}

						if (!get(in, c))
						{
							finished = true;
						}

						break;

					case KEY_CONTINUE:
						switch (c)
						{
							case 0x20:  // ' '
							case 0x09: //  '\t'
								if (!get(in, c))
								{
									finished = true;
								}

								break;

							default:
								lexemType = KEY;
								break;
						}

						break;

					case KEY_CONTINUE2:
						switch (c)
						{
							case 0x0A: // '\n'
								if (!get(in, c))
								{
									finished = true;
								}

								lexemType = KEY_CONTINUE;
								break;

							default:
								lexemType = KEY_CONTINUE;
								break;
						}

						break;

					case DELIMITER:
						switch (c)
						{
							case 0x09: // '\t'
							case 0x20: // ' '
							case 0x3A: // ':'
							case 0x3D: // '='
								if (!get(in, c))
								{
									finished = true;
								}

								break;

							default:
								lexemType = ELEMENT;
								break;
						}

						break;

					case ELEMENT:
						switch (c)
						{
							case 0x5C: // '\\'
								lexemType = ELEMENT_ESCAPE;

								if (!get(in, c))
								{
									finished = true;
								}

								break;

							case 0x0A: // '\n'
							case 0x0D: // '\r'
								// key associated with an empty string element
								properties.setProperty(key, element);
								key.erase(key.begin(), key.end());
								element.erase(element.begin(), element.end());
								lexemType = BEGIN;

								if (!get(in, c))
								{
									finished = true;
								}

								break;

							default:
								element.append(1, c);

								if (!get(in, c))
								{
									finished = true;
								}

								break;
						}

						break;

					case ELEMENT_ESCAPE:
						switch (c)
						{
							case 0x74: // 't'
								element.append(1, 0x09);
								lexemType = ELEMENT;
								break;

							case 0x6E: // 'n'
								element.append(1, 0x0A);
								lexemType = ELEMENT;
								break;

							case 0x72: // 'r'
								element.append(1, 0x0D);
								lexemType = ELEMENT;
								break;

							case 0x0A: // '\n'
								lexemType = ELEMENT_CONTINUE;
								break;

							case 0x0D: // '\r'
								lexemType = ELEMENT_CONTINUE2;
								break;

							default:
								element.append(1, c);
								lexemType = ELEMENT;
								break;
						}

						if (!get(in, c))
						{
							finished = true;
						}

						break;

					case ELEMENT_CONTINUE:
						switch (c)
						{
							case 0x20: // ' '
							case 0x09: // '\t'
								if (!get(in, c))
								{
									finished = true;
								}

								break;

							default:
								lexemType = ELEMENT;
								break;
						}

						break;

					case ELEMENT_CONTINUE2:
						switch (c)
						{
							case 0x0A: // '\n'
								if (!get(in, c))
								{
									finished = true;
								}

								lexemType = ELEMENT_CONTINUE;
								break;

							default:
								lexemType = ELEMENT_CONTINUE;
								break;
						}

						break;

					case COMMENT:
						if (c == 0x0A || c == 0x0D)
						{
							lexemType = BEGIN;
						}

						if (!get(in, c))
						{
							finished = true;
						}

						break;
				}
			}

			if (!key.empty())
			{
				properties.setProperty(key, element);
			}
		}