boost::urls::params_encoded_view
Non‐owning encoded query parameter view
Synopsis
Declared in <boost/url/params_encoded_view.hpp>
class params_encoded_view
: public params_encoded_baseTypes
Name |
Description |
A Bidirectional iterator to a query parameter |
|
A Bidirectional iterator to a query parameter |
|
The reference type |
|
A signed integer type used to represent differences. |
|
The reference type |
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An unsigned integer type to represent sizes. |
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The value type |
Member Functions
Name |
Description |
|
Constructor |
Assignment |
|
Return an iterator to the beginning |
|
Return the query corresponding to these params |
|
Return true if a matching key exists |
|
Return the number of matching keys |
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Return true if there are no params |
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Return an iterator to the end |
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Find a matching key |
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Find a matching key |
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Return the value for a key or a fallback |
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Return the number of params |
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Conversion |
Friends
| Name | Description |
|---|---|
Parse a string and return an encoded params view |
|
Mutable encoded query parameter proxy |
|
Non‐owning decoded query parameter view |
|
Common functionality for containers |
Description
This read‐only range exposes the raw percent‐encoded key/value pairs stored in a query string. It does not copy the underlying buffer; callers must ensure the referenced character storage outlives the view.
Example
url_view u( "?first=John&last=Doe" );
params_encoded_view p = u.encoded_params();Iteration yields param_pct_view values, so encoded strings and escape validation are preserved for callers that want exact bytes.
Iterator Invalidation
Changes to the underlying character buffer can invalidate iterators which reference it.
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