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template inheritance; compiles down to the optimal Python code just-in-time; optional ahead-of-time template compilation; easy to debug (for example, line numbers of exceptions directly point to the correct line in the template) configurable syntax; Jinja, like Smarty, also ships with an easy-to-use filter system similar to the Unix pipeline.
would cause the code inside the tal:if tags to be used whenever the context (whatever the application server defines the context to be, e.g. an object) contains variable "itemlist" with a true value, e.g. a list containing at least one element. The identifier following the colon is arbitrary; it simply needs to be there, and to be the same for ...
A web template system is composed of the following: . A template engine: the primary processing element of the system; [1]; Content resource: any of various kinds of input data streams, such as from a relational database, XML files, LDAP directory, and other kinds of local or networked data;
The following table lists the various web template engines used in Web template systems and a brief rundown of their features. Engine (implementation) [ a ] Languages [ b ]
These tags are processed and substituted with other code. Tags are directives for Smarty that are enclosed by template delimiters. These directives can be variables, denoted by a dollar sign ($), functions, logical or loop statements. Smarty allows PHP programmers to define custom functions that can be accessed using Smarty tags.
{{Format item|item=Item|template=TransformationTemplate|...}} TransformationTemplate is called with the parameters that the item has been created with, plus any additional parameters passed to {{Format item}}. Contents of the item take precedence over the additional parameters, unless the parameter name is prepended with important .
TransformationTemplate is called for each item with the parameters that the item has been created with, plus any additional parameters passed to #invoke (see {{Format item}} for details). The transformed items are separated with Separator and surrounded with Prefix and Suffix (whitespace is not stripped from these three optional parameters).
The Mustache template does nothing but reference methods in the (input data) view. [3] All the logic, decisions, and code is contained in this view, and all the markup (ex. output XML) is contained in the template. In a model–view–presenter (MVP) context: input data is from MVP-presenter, and the Mustache template is the MVP-view.