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Diffstat (limited to 'doc/server/xml-common.txt')
| -rw-r--r-- | doc/server/xml-common.txt | 61 |
1 files changed, 58 insertions, 3 deletions
diff --git a/doc/server/xml-common.txt b/doc/server/xml-common.txt index cdecf9210..c2c3f34d4 100644 --- a/doc/server/xml-common.txt +++ b/doc/server/xml-common.txt @@ -16,9 +16,64 @@ Group and Client tags ===================== These allow the portions of an XML document inside a Client or Group -tag to only apply to the given client group. See -:ref:`server-plugins-structures-bundler-index` for examples and more -details. +tag to only apply to the given client group. That is, they can be +thought of as conditionals, where the following are roughly equivalent: + +.. code-block:: xml + + <Group name="group1"> + <Path name="/etc/foo.conf"/> + </Group> + +And:: + + If client is a member of group1 then + Manage the abstract path "/etc/foo.conf" + +Nested Group and Client tags are conjunctive (logical ``AND``). For +instance, the following are roughly equivalent: + +.. code-block:: xml + + <Group name="group1"> + <Client name="foo.example.com"> + <Package name="bar"/> + </Client> + <Package name="baz"/> + </Group> + +And:: + + If client is a member of group1 and has hostname "foo.example.com" then + Manage the abstract package "bar" + If client is a member of group1 then + Manage the abstract package "baz" + +There is no convenient ``else``; you must specify all conditions +explicitly. To do this, Group and Client tags may be negated, as in: + +.. code-block:: xml + + <Group name="group1"> + <Service name="foo"/> + </Group> + <Group name="group1" negate="true"> + <Service name="bar"/> + </Group> + +This is roughly equivalent to:: + + If client is a member of group1 then + Manage the abstract service "foo" + If client is not a member of group 1 then + Manage the abstract service "bar" + +Or, more compactly: + + If client is a member of group1 then + Manage the abstract service "foo" + Else + Manage the abstract service "bar" .. _xml-genshi-templating: |