Clarify 'TempFile' configuration parameters.

core/lib/src/data/temp_file.rs

@@ -38,19 +38,19 @@ use either::Either;
 ///
 /// # Configuration
 ///
-/// * **temporary file directory**
+/// `TempFile` is configured via the following [`config`](crate::config)
+/// parameters:
 ///
-///   Configured via the [`temp_dir`](crate::Config::temp_dir) configuration
-///   parameter, defaulting to the system's default temporary
-///   ([`std::env::temp_dir()`]). Specifies where the files are stored.
+/// | Name               | Default             | Description                             |
+/// |--------------------|---------------------|-----------------------------------------|
+/// | `temp_dir`         | [`env::temp_dir()`] | Directory files are temporarily stored. |
+/// | `limits.file`      | 1MiB                | Default limit for all file extensions.  |
+/// | `limits.file/$ext` | _N/A_               | Limit for files with extension `$ext`.  |
 ///
-/// * **data limit**
-///
-///   Controlled via [limits](crate::data::Limits) named `file` and `file/$ext`.
-///   When used as a form guard, the extension `ext` is identified by the form
-///   field's `Content-Type` ([`ContentType::extension()`]). When used as a data
-///   guard, the extension is identified by the Content-Type of the request, if
-///   any. If there is no Content-Type, the limit `file` is used.
+/// When used as a form guard, the extension `$ext` is identified by the form
+/// field's `Content-Type` ([`ContentType::extension()`]). When used as a data
+/// guard, the extension is identified by the Content-Type of the request, if
+/// any. If there is no Content-Type, the limit `file` is used.
 ///
 /// # Cappable
 ///

core/lib/src/form/from_form_field.rs

@@ -61,7 +61,8 @@ use crate::form::prelude::*;
 ///
 ///     A value is validated successfully if the `from_str` method for the given
 ///     type returns successfully. Only accepts form _values_, not binary data.
-///     No data limit applies.
+///
+///     **No type-specific data limit applies.**
 ///
 ///   * **`bool`**
 ///
@@ -70,7 +71,7 @@ use crate::form::prelude::*;
 ///     `"off"`, `"no"`, or `"false"`. Defaults to `false` otherwise. Only
 ///     accepts form _values_, not binary data.
 ///
-///     **No data limit applies.**
+///     **No type-specific data limit applies.**
 ///
 ///   * **`&str`, `String`**
 ///
@@ -81,14 +82,16 @@ use crate::form::prelude::*;
 ///
 ///   * **[`TempFile`]**
 ///
-///     Streams the form field value or data to a temporary file. See
-///     [`TempFile`] for details and data limits.
+///     Streams the form field value or data to a temporary file.
+///
+///     **See [`TempFile`] for details and data limits.**
 ///
 ///   * **[`Capped<TempFile>`], [`Capped<String>`], [`Capped<&str>`]**
 ///
 ///     Streams the form value or data to the inner value, succeeding even if
-///     the data exceeds the respective type limit by truncating the data. See
-///     [`Capped`] for details.
+///     the data exceeds the respective type limit by truncating the data.
+///
+///     **See [`Capped`] for details.**
 ///
 ///   * **[`time::Date`]**
 ///
@@ -96,7 +99,7 @@ use crate::form::prelude::*;
 ///     This is the `"date"` HTML input type. Only accepts form _values_, not
 ///     binary data.
 ///
-///     **No data limit applies.**
+///     **No type-specific data limit applies.**
 ///
 ///   * **[`time::PrimitiveDateTime`]**
 ///
@@ -105,7 +108,7 @@ use crate::form::prelude::*;
 ///     without support for the millisecond variant. Only accepts form _values_,
 ///     not binary data.
 ///
-///     **No data limit applies.**
+///     **No type-specific data limit applies.**
 ///
 ///   * **[`time::Time`]**
 ///
@@ -113,7 +116,7 @@ use crate::form::prelude::*;
 ///     This is the `"time"` HTML input type without support for the millisecond
 ///     variant. Only accepts form _values_, not binary data.
 ///
-///     **No data limit applies.**
+///     **No type-specific data limit applies.**
 ///
 /// [`TempFile`]: crate::data::TempFile
 ///

examples/config/Rocket.toml

@@ -5,6 +5,7 @@
 forms = "64 kB"
 json = "1 MiB"
 msgpack = "2 MiB"
+"file/jpg" = "5 MiB"
 
 [debug]
 address = "127.0.0.1"