| | Package =TWiki::Attrs
Class of attribute sets, designed for parsing and storing attribute values |
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<
< | from a TWiki tag e.g. %TAG{fred='bad' "sad" joe="mad"}% |
>
> | from a TWiki tag e.g. %TAG{"joe" fred="bad" joe="mad"}% |
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<
< | An attribute set is a map containing an entry for each parameter. The
default parameter (unnamed quoted string) is named _DEFAULT in the map. |
>
> | An attribute set is a hash containing an entry for each parameter. The
default parameter (unnamed quoted string) is named _DEFAULT in the hash. |
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Attributes declared later in the string will override those of the same
name defined earlier. The one exception to this is the _DEFAULT key, where |
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<
< | the first instance of a setting is always taken. |
>
> | the first instance is always taken. |
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<
< | As well as standard TWiki syntax (parameter values double-quoted)
it also parses single-quoted values, unquoted spaceless
values, spaces around the =, and commas as well as spaces separating values,
though none of these alternatives is advertised in documentation and
the extended syntax can be turned off by passing the 'strict' parameter |
>
> | As well as the default TWiki syntax (parameter values double-quoted)
this class also parses single-quoted values, unquoted spaceless
values, spaces around the =, and commas as well as spaces separating values.
The extended syntax has to be enabled by passing the $friendly parameter |
| | to new. |
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< | This class replaces the old TWiki::extractNameValuePair and
TWiki::extractParameters. |
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< |
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$key - Attribute to remove
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| | Remove an attr value from the map, return old value. After a call to
remove the attribute is no longer defined. |
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<
< | Generate a printed form for the map, using standard |
>
> | Generate a printed form for the map, using strict |
| | attribute syntax, with only the single-quote extension
syntax observed (no {} brackets, though). |
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<
< |
StaticMethod extractValue () -> $string
Legacy support, formerly known as extractNameValuePair. This
static method uses context information to determine how a value
string is to be parsed. For example, if you have an attribute string
like this:
"abc def="ghi" jkl" def="qqq"
then call extractValue( "def" ), it will return "ghi".
Get an attr value from the map.
Synonymous with $attrs->{$key}. Retained mainly for compatibility with
the old AttrsContrib . |
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