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The method of calling binary components in javascript

A binary and component technology, applied in the direction of program control devices, etc., can solve the problems of time-consuming and memory usage of Javascript engines

Inactive Publication Date: 2018-03-16
KORTIDE LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, if all component information is registered during Javascript initialization, the Javascript engine initialization process is time-consuming and the memory usage is too large

Method used

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  • The method of calling binary components in javascript
  • The method of calling binary components in javascript
  • The method of calling binary components in javascript

Examples

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Embodiment Construction

[0010] In this preferred embodiment, the CAR component is used as an example of a binary component for illustration, and those skilled in the art can apply this method to other binary components, so as to realize calling the binary component in Javascript.

[0011] The CAR component (Component Assembly Runtime) is a binary component developed by Shanghai Ketai Century Technology Co., Ltd. The CAR component technology is a component-oriented programming model on the Elastos platform (Elastos, a componentized operating system). It defines the standard for calling each other between components, and binary components can describe themselves.

[0012] The CAR component is written in C++ and carries metadata, through which the CAR component can implement a reflection mechanism. The metadata is the data describing the data. The abstraction of the data mainly includes the type information of the data, such as the module information, interface information, class information and other d...

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Abstract

The present invention provides a method for invoking a binary component in Javascript, the method comprising: the Javascript engine obtains the character string in the Javascript statement and determines whether it is a Javascript language node; if it is not a Javascript language node, the exception interceptor of the Javascript engine intercepts and obtains The string; query whether there is a binary component corresponding to the string from the loading path of the binary component; create a binary component object corresponding to the string and encapsulate it as a Javascript object. This method enables flexible loading of binary components as required during the parsing and execution of Javascript scripts.

Description

technical field [0001] The invention relates to a technology for calling a custom component in Javascript, in particular to a method for calling a binary component in Javascript. Background technique [0002] At present, using a browser as a platform for local applications has been widely used in practical applications. HTML / CSS handles page display and beautification, and Javascript scripts handle page logic. However, Javascript has certain inherent limitations as a scripting language. For security reasons, Javascript scripts do not have the ability to access local resources, and network access is also strictly restricted by the Same Origin Policy. Therefore, When browser-based applications obtain support from external resources and programs, additional browser extensions are required. At present, most browsers use local plug-in extension mechanisms to extend the functions of Javascript scripts. [0003] A feasible strategy for implementing Javascript script calling compon...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F9/44
Inventor 贾靖陈冬晓宋宇培
Owner KORTIDE LTD
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