//指令-跳出循环体 private void command_BreakLoop() { int temp_index = commandIndex; //记住当前指令的索引 int loopcount = 0; //循环体计数器 while (temp_index < commandMemery.Length) { ++temp_index; if (CodeAnalysis.getCommandString(commandMemery[temp_index]) == CodeAnalysis.ProgressCommand.COMMAND_END_LOOP && loopcount == 0) { commandIndex = temp_index;//下次从endloop后执行 break; } if (CodeAnalysis.getCommandString(commandMemery[temp_index]) == CodeAnalysis.ProgressCommand.COMMAND_LOOP) { ++loopcount; } if (CodeAnalysis.getCommandString(commandMemery[temp_index]) == CodeAnalysis.ProgressCommand.COMMAND_END_LOOP) { --loopcount; } } }
//指令-循环体结束 private void command_EndLoop() { int temp_index = commandIndex; //记住当前指令段的索引 int endloopcount = 0; //循环体计数器 while (temp_index > 0) { --temp_index; if (CodeAnalysis.getCommandString(commandMemery[temp_index]) == CodeAnalysis.ProgressCommand.COMMAND_LOOP && endloopcount == 0) { commandIndex = temp_index;//使指令指针指向对应的loop语句的下一条 break; } if (CodeAnalysis.getCommandString(commandMemery[temp_index]) == CodeAnalysis.ProgressCommand.COMMAND_END_LOOP) { ++endloopcount; } if (CodeAnalysis.getCommandString(commandMemery[temp_index]) == CodeAnalysis.ProgressCommand.COMMAND_LOOP) { --endloopcount; } } }
//指令-条件判断 private void command_If(String value1, String symbol, String value2) { if (!(value1.Contains("var[") && value2.Contains("var["))) { return; //比较的必须是变量 } int tempIndex1 = int.Parse(CodeAnalysis.getStringBetween(value1, "[", "]")); //获取变量索引 int tempIndex2 = int.Parse(CodeAnalysis.getStringBetween(value2, "[", "]")); bool flag_compare_result = false; //比较结果 switch (symbol) { case "<": if (int.Parse(varMemery[tempIndex1]) < int.Parse(varMemery[tempIndex2])) { flag_compare_result = true; } break; case "<=": if (int.Parse(varMemery[tempIndex1]) <= int.Parse(varMemery[tempIndex2])) { flag_compare_result = true; } break; case ">=": if (int.Parse(varMemery[tempIndex1]) >= int.Parse(varMemery[tempIndex2])) { flag_compare_result = true; } break; case ">": if (int.Parse(varMemery[tempIndex1]) > int.Parse(varMemery[tempIndex2])) { flag_compare_result = true; } break; case "==": if (varMemery[tempIndex1] == varMemery[tempIndex2]) { flag_compare_result = true; } break; case "contains": if (varMemery[tempIndex1].Contains(varMemery[tempIndex2])) { flag_compare_result = true; } break; } if (!flag_compare_result) { //如果没有一个条件成立,则跳到下方对应的endif int tempIndex = commandIndex; int ifcount = 0; while (commandIndex < commandMemery.Length) { ++tempIndex; if (CodeAnalysis.getCommandString(commandMemery[tempIndex]) == CodeAnalysis.ProgressCommand.COMMAND_END_IF && ifcount == 0) { commandIndex = tempIndex; break; } if (CodeAnalysis.getCommandString(commandMemery[tempIndex]) == CodeAnalysis.ProgressCommand.COMMAND_IF) { ++ifcount; } if (CodeAnalysis.getCommandString(commandMemery[tempIndex]) == CodeAnalysis.ProgressCommand.COMMAND_END_IF) { --ifcount; } } } }
//根据指令执行相应的操作 private void handleByCommand(String line) { try { String command = CodeAnalysis.getCommandString(line); String[] value = CodeAnalysis.getValueString(line); switch (command) { case CodeAnalysis.ApplicationCommand.COMMAND_CLEAR: command_Clear(); return; case CodeAnalysis.ApplicationCommand.COMMAND_CLOSE_APPLICATION: command_CloseApplication(); return; case CodeAnalysis.ApplicationCommand.COMMAND_LOAD_WEB_PAGE: command_LoadWebPage(value[0]); return; case CodeAnalysis.ApplicationCommand.COMMAND_SHUT_DOWN: command_ShutDown(); return; case CodeAnalysis.ProgressCommand.COMMAND_BREAK_LOOP: command_BreakLoop(); return; case CodeAnalysis.ProgressCommand.COMMAND_END_IF: return; case CodeAnalysis.ProgressCommand.COMMAND_END_LOOP: command_EndLoop(); return; case CodeAnalysis.ProgressCommand.COMMAND_IF: command_If(value[0], value[1], value[2]); return; case CodeAnalysis.ProgressCommand.COMMAND_LOOP: return; case CodeAnalysis.ProgressCommand.COMMAND_PAUSE: command_Pause(int.Parse(value[0]), value[1]); return; case CodeAnalysis.ProgressCommand.COMMAND_TERMINATE: command_Terminate(); return; case CodeAnalysis.ProgressCommand.COMMAND_WAIT_FOR_DOCUMENT: command_WaitForDocument(); return; case CodeAnalysis.VariableCommand.COMMAND_ADD: command_Add(value[0], value[1]); return; case CodeAnalysis.VariableCommand.COMMAND_SET_VAR: command_SetVar(value[0], value[1]); return; case CodeAnalysis.WebElementCommand.COMMAND_CLICK_ELEMENT: command_ClickElement(value[0]); return; case CodeAnalysis.WebElementCommand.COMMAND_CRAWL_ELEMENT: command_CrawlElement(value[0], value[1]); return; case CodeAnalysis.WebElementCommand.COMMAND_RUN_SCRIPT_FUNC: command_RunScriptFunc(value[0], value[1]); return; case CodeAnalysis.VariableCommand.COMMAND_SAVE_VAR: command_SaveVar(value[0], value[1], value[2]); return; case CodeAnalysis.WebElementCommand.COMMAND_SET_CHECK_BOX_VALUE: command_SetCheckBoxValue(value[0], value[1]); return; case CodeAnalysis.WebElementCommand.COMMAND_SET_ELEMENT_VALUE: command_SetElementValue(value[0], value[1]); return; case CodeAnalysis.VariableCommand.COMMAND_MUL: command_Mul(value[0], value[1]); return; case CodeAnalysis.VariableCommand.COMMAND_CONNECT_VAR: command_connectVar(value[0], value[1]); return; case CodeAnalysis.VariableCommand.COMMAND_LOAD_DATA_TO_VAR: command_LoadDataToVar(value[0], value[1]); return; case CodeAnalysis.VariableCommand.COMMAND_PRINT: command_Print(value[0]); return; case CodeAnalysis.WebElementCommand.COMMAND_CRAWL_CONTENT: command_CrawlContent(value[0], value[1], value[2]); return; case CodeAnalysis.WebElementCommand.COMMAND_CLICK_ELEMENT_BY_VALUE: command_ClickElementByType(value[0]); return; case CodeAnalysis.WebElementCommand.COMMAND_RUN_PARAM_FUNC: command_RunParamFunc(value[0], value[1], value); return; case "": return; } richTextBox_ApplicationInfo.Invoke(new MethodInvoker(delegate { richTextBox_ApplicationInfo.AppendText("undefine command!\n"); })); command_Terminate(); } catch (Exception e) { richTextBox_ApplicationInfo.Invoke(new MethodInvoker(delegate { richTextBox_ApplicationInfo.AppendText(e.ToString() + "\n"); })); } }
//检查代码正确性 private String checkCommand(String line, int index, String[] memery) { String command = CodeAnalysis.getCommandString(line); String[] value = CodeAnalysis.getValueString(line); switch (command) { case CodeAnalysis.ApplicationCommand.COMMAND_CLEAR: return(CodeAnalysis.ApplicationCommand.checkApplicationCommand(command, value)); case CodeAnalysis.ApplicationCommand.COMMAND_CLOSE_APPLICATION: return(CodeAnalysis.ApplicationCommand.checkApplicationCommand(command, value)); case CodeAnalysis.ApplicationCommand.COMMAND_LOAD_WEB_PAGE: return(CodeAnalysis.ApplicationCommand.checkLoadWebPage(command, value)); case CodeAnalysis.ApplicationCommand.COMMAND_SHUT_DOWN: return(CodeAnalysis.ApplicationCommand.checkApplicationCommand(command, value)); case CodeAnalysis.ProgressCommand.COMMAND_BREAK_LOOP: return(CodeAnalysis.ProgressCommand.checkBreakLoop(memery, index)); case CodeAnalysis.ProgressCommand.COMMAND_END_IF: return(CodeAnalysis.COMMAND_CORRECT); case CodeAnalysis.ProgressCommand.COMMAND_END_LOOP: return(CodeAnalysis.COMMAND_CORRECT); case CodeAnalysis.ProgressCommand.COMMAND_IF: return(CodeAnalysis.ProgressCommand.checkIfSymbol(command, value)); case CodeAnalysis.ProgressCommand.COMMAND_LOOP: return(CodeAnalysis.COMMAND_CORRECT); case CodeAnalysis.ProgressCommand.COMMAND_PAUSE: return(CodeAnalysis.ProgressCommand.checkPause(command, value)); case CodeAnalysis.ProgressCommand.COMMAND_TERMINATE: return(CodeAnalysis.COMMAND_CORRECT); case CodeAnalysis.ProgressCommand.COMMAND_WAIT_FOR_DOCUMENT: return(CodeAnalysis.COMMAND_CORRECT); case CodeAnalysis.VariableCommand.COMMAND_ADD: return(CodeAnalysis.VariableCommand.checkParameter2(command, value)); case CodeAnalysis.VariableCommand.COMMAND_SET_VAR: return(CodeAnalysis.VariableCommand.checkParameter2(command, value)); case CodeAnalysis.WebElementCommand.COMMAND_CLICK_ELEMENT: return(CodeAnalysis.WebElementCommand.checkParameter1(command, value)); case CodeAnalysis.WebElementCommand.COMMAND_CRAWL_ELEMENT: return(CodeAnalysis.WebElementCommand.checkCrawlElement(command, value)); case CodeAnalysis.WebElementCommand.COMMAND_RUN_SCRIPT_FUNC: return(CodeAnalysis.WebElementCommand.checkRunScriptFunc(command, value)); case CodeAnalysis.VariableCommand.COMMAND_SAVE_VAR: return(CodeAnalysis.VariableCommand.checkSaveVar(command, value)); case CodeAnalysis.WebElementCommand.COMMAND_SET_CHECK_BOX_VALUE: return(CodeAnalysis.WebElementCommand.checkParameter2(command, value)); case CodeAnalysis.WebElementCommand.COMMAND_SET_ELEMENT_VALUE: return(CodeAnalysis.WebElementCommand.checkParameter2(command, value)); case CodeAnalysis.VariableCommand.COMMAND_MUL: return(CodeAnalysis.VariableCommand.checkParameter2(command, value)); case CodeAnalysis.VariableCommand.COMMAND_CONNECT_VAR: return(CodeAnalysis.VariableCommand.checkParameter2(command, value)); case CodeAnalysis.VariableCommand.COMMAND_LOAD_DATA_TO_VAR: return(CodeAnalysis.VariableCommand.checkLoadDataToVar(command, value)); case CodeAnalysis.VariableCommand.COMMAND_PRINT: return(CodeAnalysis.VariableCommand.checkPrint(command, value)); case CodeAnalysis.WebElementCommand.COMMAND_CRAWL_CONTENT: return(CodeAnalysis.WebElementCommand.checkCrawlContent(command, value)); case CodeAnalysis.WebElementCommand.COMMAND_CLICK_ELEMENT_BY_VALUE: return(CodeAnalysis.WebElementCommand.checkParameter1(command, value)); case CodeAnalysis.WebElementCommand.COMMAND_RUN_PARAM_FUNC: return(CodeAnalysis.WebElementCommand.checkRunParamFunc(command, value)); case "": return(CodeAnalysis.COMMAND_CORRECT); } return("未定义的指令“" + command + "”"); }