What is the Complex Parser of the SAP UI5 framework

The SAPUI5 framework does provide some parsers (Parser) and compilers (Compiler) to handle different tasks. Here are some components and functions related to parsing and compiling:

• XML Parser (XML Parser): The SAPUI5 framework provides an XML parser for parsing XML view files. XML view files are a declarative way to define an application's user interface. The XML parser of SAPUI5 is responsible for parsing XML view files and generating corresponding UI controls and components.

• JSON parser (JSON Parser): The SAPUI5 framework also provides a JSON parser for parsing JSON data. JSON is a commonly used data exchange format. The JSON parser of SAPUI5 can convert JSON data into JavaScript objects for easy processing and display in applications.

• Template Parser (Template Parser): The SAPUI5 framework supports template technology, in which the template parser is responsible for parsing the templates defined in the application and generating the final output according to the instructions and data in the templates.
  The figure below is the code location for judging whether to use Simple Parser or Complex Parser in the SAP UI5 framework.

If bindingSyntax is complex, use complexParser to parse:

The Binding Parser of the SAPUI5 framework is a component for parsing and processing data binding expressions. Data binding is an important concept in SAPUI5, which allows UI controls to be associated with data models in order to display and manipulate data in the user interface. Binding Parser is responsible for parsing binding expressions and establishing data binding relationships according to the definition of expressions.

Specifically, the Binding Parser is used to parse data binding expressions defined in XML views or JavaScript controllers. These expressions usually use a specific syntax to specify binding paths, formatting functions, filter conditions, etc.

The main functions of Binding Parser include:

1. Parse Binding Path: The Binding Parser parses the binding path, which specifies the location of the property or collection to be bound to the data model. Binding paths can be relative (relative to the current binding context) or absolute (from the root data model).

2. Formatting functions: Binding Parser supports the use of formatting functions in data binding. Formatting functions are used to perform custom processing on the bound data, such as date formatting, numeric conversion, etc. Binding Parser parses and associates the specified formatting function.

3. Filter conditions: For collection bindings, Binding Parser can parse and apply filter conditions. Filter conditions are used to select data items that meet the conditions from the collection according to specific rules.

The specific source code location depends on the deployment method of the SAPUI5 library. The following are several common deployment methods and corresponding source code locations:

1. Local Deployment: If the SAPUI5 library is deployed locally, the source code of Binding Parser is usually located in the folder structure of the SAPUI5 library. resources/sap/ui/model/Source code files related to data binding can be found under the path, eg BindingParser.js.

2. CDN deployment: If the SAPUI5 library is deployed through a CDN (Content Distribution Network), then the source code location of Binding Parser will be the URL provided by the CDN. You can view and understand the source code implementation by visiting the relevant CDN URL.

It should be noted that the resolution of the specific source code location is completed by the browser at runtime, and it will load the corresponding library files and resources according to the provided path or URL.

Summary: The Binding Parser of the SAPUI5 framework is a component for parsing and processing data binding expressions. It is responsible for parsing binding paths, formatting functions and filter conditions, and establishing data binding relationships. The specific source code location depends on the deployment method of the SAPUI5 library. You can find the relevant source code files in the folder structure of the local deployment or the URL provided by the CDN.