... Embedding XML Data inHTML
Practice: Binding HTML Elements to XML Data
In this practice, you will create an HTML file that displays data in an XML data
island by using DSO data binding. ... has been included in the HTML, either by
embedding or referencing, it can be linked to HTML elements to display the
underlying recordset by using DSO.
Using DSO-specific attributes
Individual ... Object in Microsoft Internet Explorer 4, for
background information.
Presentation:
120 Minutes
Lab:
60 Minutes
Module 5: Embedding XML Data inHTML 27
Displaying XML Data Using Script...
... http://www.example.com/handshake .html from
your server, you should again see a random selection of either
Greetings, Earthlings or Greetings, Martians.
5
Assuming
you've gotten Mason installed properly and everything's ... shown in Example
1-10.
Example 1-10. handshake .html
requires at least Version 5.005 of Perl, though Version 5.6.1 is
recommended. Instructions for installing Perl are contained in the
INSTALL
...
controlling code to several different templates, so that designers can create
different look-and-feel templates without involving programmers.
HTML: :Template is generally very fast at filling in HTML...
... main body.
The <%init> block is typically used for doing things like checking
arguments, creating objects, or retrieving data from a database. The variables
created here are used in ... $component in the example.
In addition, component calls can take arguments (like width and admin in
the third example) just like a Perl subroutine internally, they actually are
subroutines.
How ... are three
valid escape flags, h for HTML entity escaping (i.e., > into > ), u for
URI escaping (i.e., > into %3E ), and n for no escaping. The HTML and URI
much like a URL, a component...
... 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 ...
request, before the <%init> block, but unlike in an <%init> block, the
variables declared in this block are in scope both in the component's main
body and in any subcomponents ... the component is loaded into memory. It is
executed before any other block (including an <%init> block). Any
variables declared here remain in existence (and in scope) until the
component...
...
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 production of the HTMLin ... start processing its child component, in this case
/welcome .html
. The /welcome .html component generates some output,
which gets inserted into the middle of /autohandler
and then finishes.
Control...
... 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
bottleneck like ... discussed in
Chapter 3
.
•
call_next(arguments)
When the currently executing component is part of a wrapping chain,
this method will call the next component in the chain, passing it the
current ... the components in the wrapping
chain that have yet to be executed. They are returned in order based
on their position in the wrapping chain.
Dhandler-Related Methods
Certain request object...
... 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 covered in ... but for methods
instead of subcomponents.
•
title
Returns a printable string identifying this component. It is intended to
uniquely identify a component within a given interpreter although ... when using the
HTML: :Mason::ApacheHandler or HTML: :Mason::CGIHandler
classes. The latter class is covered in Chapter 9
.
•
cgi_object
This method is always available when using
HTML: :Mason::CGIHandler...
... autohandler example
using attributes instead of methods.
Example 5-7. autohandler
< ;html& gt;
main component and any of its subcomponents, including the main
component's <%init> section, ... 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? id=2982, ... method. The title method invoked is the one
contained in /your_order .html.
3. The /your_order .html: title method runs, and the value of
the $order _date is still unset in fact, the variable is...
... some contortions in order to trick the wrapped portion
of the component into thinking that it is still in the original component. If we
had a component named bob .html
, as shown in the example ...
the indicated component, first in mine, then in shared if none is found in
mine.
An Advanced Inheritance Example
An example can help showcase several of the topics we've discussed in this ... inherit from a component of your choosing.
However, specifying an autohandler's inheritance explicitly can easily lead
to an infinite inheritance chain if you're not careful. Suppose...
... responsible for
coordinating the activities of the Compiler and Resolver, as well as creating
Request objects. Its main task involves receiving requests for components
and generating the resultant ... object
contains another object, the containing object will accept constructor
parameters intended for the contained object. For example, the Interpreter
object will accept parameters intended ... functionality. In an informal sense, we speak of
Release 1.10 as having made Mason more "pluggable."
By default, Mason creates a Lexer object in the
HTML: :Mason::Lexer class. By passing a...
... you request the document /index .html via your web
browser, Apache will look for the file /home/httpd/htdocs/index .html
. If
index .html
contains an HREF to /some/file .html, you would have to ...
Note that Mason's templating capabilities aren't exactly taking center stage
in this example. You may ask why Mason is being used in this situation at
all. Indeed, without context, it's ... have done just this kind of thing in order to take advantage of
Mason's other features like dhandlers or to integrate the dynamically
generated image into an existing Mason site.
Apache::Status...
... aren't
inheriting much from HTML: :Mason::Compiler , we still subclass it as
anything expecting a compiler will check that what it is given is a subclass
of HTML: :Mason::Compiler.
Of course, in ... component path by taking the requested URI and looking for
that in the database. If it doesn't exist, we will try appending the path info if
possible or just give up. Finally, we try the ... use Digest::SHA1;
We solve our subclassing problem with the following code. There is nothing
wrong with changing a class's inheritance dynamically in Perl, so that's what
we do. The...
...
chorionic gonadotrophin induced ovulation versus urinary
luteinizing hormone surge for timing of intrauterine insemination.
Hum Reprod 1991; 6(9): 1247-51.
Preface Current Women’s Health ... IGF-1 and insulin further increase mRNA of
P450c17, leading to increased androgen biosynthesis in
ovary and adrenal glands [8]. The use of insulin-sensitizing
agents such as metformin has been ... strategy to improve the level of circulating
insulin and insulin sensitivity in PCOS patients with
hyperinsulinemia [35].
Non-obese PCOS patients without insulin resistance also
have been reported...
... NPY
feeding systems are dysfunctional in anorectic
tumor-bearing rats. NPY injected intrahypo-
thalamically stimulated feeding less potently
in rats bearing methylcholanthrene-induced
sarcoma than in ... al.
Leptin-regulated endocannabinoids are involved
in maintaining food intake. Nature
2001;410:822-825.
125. Tanaka Y, Eda H, Fujimoto K, et al.
Anticachectic activity of 5′-deoxy-5-fluorouri-
dine in ... signal.
76,77
Convergent information suggests that CRF
may be involved in triggering changes in
gastrointestinal motility observed during stress
exposure. CRF may induce delayed gastric
emptying and gastric...
... nitroglycerine
and sodium nitroprusside may also result in arterial hypoxaemia during
administration most likely due to an increase in NO release resulting in an
increased shunt because of inhibition ... care, and nursing actions should be evaluated
and developed. So nurses must incorporate nursing research into their practice,
appraising research, implementing findings and developing new studies.
Although ... bradykinin, histamine and prosta-
glandins (Spina 1996). A number of neuropeptides including substance P are
released by sensory nerves and these have been shown to increase airway
responsiveness in...