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[CssSelector] updated README

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This commit is contained in:
Fabien Potencier 2015-09-30 08:28:08 +02:00
parent fd3fefbfcb
commit 8b8b634fdc
1 changed files with 7 additions and 9 deletions
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16
src/Symfony/Component/CssSelector/README.md
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@ -7,9 +7,10 @@ The component only goal is to convert CSS selectors to their XPath
equivalents: equivalents:
```php ```php
use Symfony\Component\CssSelector\CssSelector; use Symfony\Component\CssSelector\CssSelectorConverter;
print CssSelector::toXPath('div.item > h4 > a'); $converter = new CssSelectorConverter();
print $converter->toXPath('div.item > h4 > a');
``` ```
HTML and XML are different HTML and XML are different
@ -17,15 +18,12 @@ HTML and XML are different
The `CssSelector` component comes with an `HTML` extension which is enabled by The `CssSelector` component comes with an `HTML` extension which is enabled by
default. If you need to use this component with `XML` documents, you have to default. If you need to use this component with `XML` documents, you have to
disable this `HTML` extension. That's because, `HTML` tag & attribute names disable this `HTML` extension. That's because, `HTML` tag & attribute names are
are always lower-cased, but case-sensitive in `XML`: always lower-cased, but case-sensitive in `XML`:
```php ```php
// disable `HTML` extension: // disable `HTML` extension:
CssSelector::disableHtmlExtension(); $converter = new CssSelectorConverter(false);
// re-enable `HTML` extension:
CssSelector::enableHtmlExtension();
``` ```
When the `HTML` extension is enabled, tag names are lower-cased, attribute When the `HTML` extension is enabled, tag names are lower-cased, attribute
@ -50,7 +48,7 @@ License
------- -------
This component is a port of the Python cssselect library, This component is a port of the Python cssselect library,
which is copyright Ian Bicking, @see https://github.com/SimonSapin/cssselect. which is copyright Ian Bicking, https://github.com/SimonSapin/cssselect.
Copyright (c) 2007-2012 Ian Bicking and contributors. See AUTHORS Copyright (c) 2007-2012 Ian Bicking and contributors. See AUTHORS
for more details. for more details.