Tài liệu Embedding Perl in HTML with Mason Chapter 4: APIs- P2 docx

Tài liệu Embedding Perl in HTML with Mason Chapter 4: APIs- P2 docx

Tài liệu Embedding Perl in HTML with Mason Chapter 4: APIs- P2 docx

... ApacheHandler When you are using Mason under mod _perl with the HTML: :Mason: :ApacheHandler class, which is covered in Chapter 7 , the Request object will contain several additional methods. ... handle incoming parameters by setting args_method to mod _perl, this object will be an Apache::Request object; otherwise, it will be an Apache object. Incoming parameter handling is c...
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Tài liệu Embedding Perl in HTML with Mason Chapter 4: APIs- P1 pptx

Tài liệu Embedding Perl in HTML with Mason Chapter 4: APIs- P1 pptx

... , text , line , or html . These produce an error message with no trace, a multiline error with trace information, a single-line error with tab-separated fields (suitable for writing to a log), ... rather than optimize your code at the expense of increasing its complexity, thus making it less maintainable. Caching can also be a big win in providing scalability when you have a...
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Tài liệu Embedding Perl in HTML with Mason Chapter 2: Components- P2 doc

Tài liệu Embedding Perl in HTML with Mason Chapter 2: Components- P2 doc

... concerning the currently executing chain of components. It is treated in detail in Chapter 4 . Return. 4. Component objects are returned by several of the HTML: :Mason: :Request and HTML: :Mason: :Interp ... the parts of a single component. The uses of this block are discussed in Chapter 5 . Escaping a Newline When using Mason, you may find that you want to suppress a newlin...
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Tài liệu Embedding Perl in HTML with Mason Chapter 1: Introduction pdf

Tài liệu Embedding Perl in HTML with Mason Chapter 1: Introduction pdf

... Embedding Perl in HTML with Mason Chapter 1: Introduction At its heart, Mason is simply a mechanism for embedding Perl code into plain text. It is only one of many ... that Mason is being used in a web context. Most people using Mason also use it in conjunction with Apache and mod _perl. The main ingredients involved in setting up this paradigm are: • Perl...
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Tài liệu Embedding Perl in HTML with Mason Chapter 2: Components- P1 pptx

Tài liệu Embedding Perl in HTML with Mason Chapter 2: Components- P1 pptx

... components contains a simple tag to do in- place substitution of Perl expressions, a way to mark a single line as being a line of Perl, and a set of block tags, most of which contain Perl code that ... new HTML: :Mason: :Component object. This object, in turn, can be used to generate the text originally found in the component. In a sense, this inverts the component, turning...
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Tài liệu Embedding Perl in HTML with Mason Chapter 3: Special Components: Dhandlers and Autohandlers pdf

Tài liệu Embedding Perl in HTML with Mason Chapter 3: Special Components: Dhandlers and Autohandlers pdf

... often no filtering is necessary. Inspecting the Wrapping Chain When Mason processes a request, it builds the wrapping chain and then executes each component in the chain, starting with the topmost ... processing, though, because parsing HTML can give you a stomach ache very quickly. In Chapter 5 you'll see how to use inheritance to gain finer control over the productio...
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Tài liệu Embedding Perl in HTML with Mason Chapter 5: Advanced Features-P1 doc

Tài liệu Embedding Perl in HTML with Mason Chapter 5: Advanced Features-P1 doc

... Mason directive that defines one component from within another. The component embedded within the <%def> block is called a subcomponent , and it is visible only to the component within ... request. Now imagine another scenario, one in which the method needs to examine the incoming arguments in order to generate its output. For instance, suppose you request /view_user .html? i...
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Tài liệu Embedding Perl in HTML with Mason Chapter 5: Advanced Features-P2 pdf

Tài liệu Embedding Perl in HTML with Mason Chapter 5: Advanced Features-P2 pdf

... &> or, in an Apache configuration file: PerlSetVar MasonCompRoot 'main => /usr/http/docs' PerlAddVar MasonCompRoot 'util => /usr/http /mason- util' This brings up ... one in shared. Using this setup, any component call no matter whether it occurs in a component located in the mine or shared component root will look for the indicated component...
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Tài liệu Embedding Perl in HTML with Mason Chapter 6: The Lexer, Compiler, Resolver, and Interpreter Objects doc

Tài liệu Embedding Perl in HTML with Mason Chapter 6: The Lexer, Compiler, Resolver, and Interpreter Objects doc

... actually processing the component source code and finding the Mason directives within it. It interacts quite closely with the Compiler, which takes the Lexer's output and generates a Mason component ... 6-1. The Interpreter and its cronies Passing Parameters to Mason Classes An interesting feature of the Mason code is that, if a particular object contains another object, t...
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Tài liệu Embedding Perl in HTML with Mason Chapter 7: Using Mason with mod_perl pptx

Tài liệu Embedding Perl in HTML with Mason Chapter 7: Using Mason with mod_perl pptx

... PerlSetVar MasonCompRoot /home/example/htdocs PerlSetVar MasonDataDir /home/example /mason- data <LocationMatch "\.mhtml$"> SetHandler perl- script PerlHandler HTML: :Mason: :ApacheHandler ... output. Note that Mason& apos;s templating capabilities aren't exactly taking center stage in this example. You may ask why Mason is being used in this situatio...
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