--- /dev/null
+{
+ "git": {
+ "sha1": "359bc90a4f07224f79cc79c45dc873d44bcd6f14"
+ },
+ "path_in_vcs": "form_urlencoded"
+}
\ No newline at end of file
--- /dev/null
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies.
+#
+# If you are reading this file be aware that the original Cargo.toml
+# will likely look very different (and much more reasonable).
+# See Cargo.toml.orig for the original contents.
+
+[package]
+edition = "2018"
+rust-version = "1.51"
+name = "form_urlencoded"
+version = "1.1.0"
+authors = ["The rust-url developers"]
+description = "Parser and serializer for the application/x-www-form-urlencoded syntax, as used by HTML forms."
+license = "MIT OR Apache-2.0"
+repository = "https://github.com/servo/rust-url"
+
+[lib]
+test = false
+
+[dependencies.percent-encoding]
+version = "2.2.0"
--- /dev/null
+[package]
+name = "form_urlencoded"
+version = "1.1.0"
+authors = ["The rust-url developers"]
+description = "Parser and serializer for the application/x-www-form-urlencoded syntax, as used by HTML forms."
+repository = "https://github.com/servo/rust-url"
+license = "MIT OR Apache-2.0"
+edition = "2018"
+rust-version = "1.51"
+
+[lib]
+test = false
+
+[dependencies]
+percent-encoding = { version = "2.2.0", path = "../percent_encoding" }
--- /dev/null
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
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+
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+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
--- /dev/null
+Copyright (c) 2013-2016 The rust-url developers
+
+Permission is hereby granted, free of charge, to any
+person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the
+Software without restriction, including without
+limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software
+is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice
+shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
--- /dev/null
+// Copyright 2013-2016 The rust-url developers.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+//! Parser and serializer for the [`application/x-www-form-urlencoded` syntax](
+//! http://url.spec.whatwg.org/#application/x-www-form-urlencoded),
+//! as used by HTML forms.
+//!
+//! Converts between a string (such as an URL’s query string)
+//! and a sequence of (name, value) pairs.
+
+use percent_encoding::{percent_decode, percent_encode_byte};
+use std::borrow::{Borrow, Cow};
+use std::str;
+
+/// Convert a byte string in the `application/x-www-form-urlencoded` syntax
+/// into a iterator of (name, value) pairs.
+///
+/// Use `parse(input.as_bytes())` to parse a `&str` string.
+///
+/// The names and values are percent-decoded. For instance, `%23first=%25try%25` will be
+/// converted to `[("#first", "%try%")]`.
+#[inline]
+pub fn parse(input: &[u8]) -> Parse<'_> {
+ Parse { input }
+}
+/// The return type of `parse()`.
+#[derive(Copy, Clone)]
+pub struct Parse<'a> {
+ input: &'a [u8],
+}
+
+impl<'a> Iterator for Parse<'a> {
+ type Item = (Cow<'a, str>, Cow<'a, str>);
+
+ fn next(&mut self) -> Option<Self::Item> {
+ loop {
+ if self.input.is_empty() {
+ return None;
+ }
+ let mut split2 = self.input.splitn(2, |&b| b == b'&');
+ let sequence = split2.next().unwrap();
+ self.input = split2.next().unwrap_or(&[][..]);
+ if sequence.is_empty() {
+ continue;
+ }
+ let mut split2 = sequence.splitn(2, |&b| b == b'=');
+ let name = split2.next().unwrap();
+ let value = split2.next().unwrap_or(&[][..]);
+ return Some((decode(name), decode(value)));
+ }
+ }
+}
+
+fn decode(input: &[u8]) -> Cow<'_, str> {
+ let replaced = replace_plus(input);
+ decode_utf8_lossy(match percent_decode(&replaced).into() {
+ Cow::Owned(vec) => Cow::Owned(vec),
+ Cow::Borrowed(_) => replaced,
+ })
+}
+
+/// Replace b'+' with b' '
+fn replace_plus(input: &[u8]) -> Cow<'_, [u8]> {
+ match input.iter().position(|&b| b == b'+') {
+ None => Cow::Borrowed(input),
+ Some(first_position) => {
+ let mut replaced = input.to_owned();
+ replaced[first_position] = b' ';
+ for byte in &mut replaced[first_position + 1..] {
+ if *byte == b'+' {
+ *byte = b' ';
+ }
+ }
+ Cow::Owned(replaced)
+ }
+ }
+}
+
+impl<'a> Parse<'a> {
+ /// Return a new iterator that yields pairs of `String` instead of pairs of `Cow<str>`.
+ pub fn into_owned(self) -> ParseIntoOwned<'a> {
+ ParseIntoOwned { inner: self }
+ }
+}
+
+/// Like `Parse`, but yields pairs of `String` instead of pairs of `Cow<str>`.
+pub struct ParseIntoOwned<'a> {
+ inner: Parse<'a>,
+}
+
+impl<'a> Iterator for ParseIntoOwned<'a> {
+ type Item = (String, String);
+
+ fn next(&mut self) -> Option<Self::Item> {
+ self.inner
+ .next()
+ .map(|(k, v)| (k.into_owned(), v.into_owned()))
+ }
+}
+
+/// The [`application/x-www-form-urlencoded` byte serializer](
+/// https://url.spec.whatwg.org/#concept-urlencoded-byte-serializer).
+///
+/// Return an iterator of `&str` slices.
+pub fn byte_serialize(input: &[u8]) -> ByteSerialize<'_> {
+ ByteSerialize { bytes: input }
+}
+
+/// Return value of `byte_serialize()`.
+#[derive(Debug)]
+pub struct ByteSerialize<'a> {
+ bytes: &'a [u8],
+}
+
+fn byte_serialized_unchanged(byte: u8) -> bool {
+ matches!(byte, b'*' | b'-' | b'.' | b'0' ..= b'9' | b'A' ..= b'Z' | b'_' | b'a' ..= b'z')
+}
+
+impl<'a> Iterator for ByteSerialize<'a> {
+ type Item = &'a str;
+
+ fn next(&mut self) -> Option<&'a str> {
+ if let Some((&first, tail)) = self.bytes.split_first() {
+ if !byte_serialized_unchanged(first) {
+ self.bytes = tail;
+ return Some(if first == b' ' {
+ "+"
+ } else {
+ percent_encode_byte(first)
+ });
+ }
+ let position = tail.iter().position(|&b| !byte_serialized_unchanged(b));
+ let (unchanged_slice, remaining) = match position {
+ // 1 for first_byte + i unchanged in tail
+ Some(i) => self.bytes.split_at(1 + i),
+ None => (self.bytes, &[][..]),
+ };
+ self.bytes = remaining;
+ // This unsafe is appropriate because we have already checked these
+ // bytes in byte_serialized_unchanged, which checks for a subset
+ // of UTF-8. So we know these bytes are valid UTF-8, and doing
+ // another UTF-8 check would be wasteful.
+ Some(unsafe { str::from_utf8_unchecked(unchanged_slice) })
+ } else {
+ None
+ }
+ }
+
+ fn size_hint(&self) -> (usize, Option<usize>) {
+ if self.bytes.is_empty() {
+ (0, Some(0))
+ } else {
+ (1, Some(self.bytes.len()))
+ }
+ }
+}
+
+/// The [`application/x-www-form-urlencoded` serializer](
+/// https://url.spec.whatwg.org/#concept-urlencoded-serializer).
+pub struct Serializer<'a, T: Target> {
+ target: Option<T>,
+ start_position: usize,
+ encoding: EncodingOverride<'a>,
+}
+
+pub trait Target {
+ fn as_mut_string(&mut self) -> &mut String;
+ fn finish(self) -> Self::Finished;
+ type Finished;
+}
+
+impl Target for String {
+ fn as_mut_string(&mut self) -> &mut String {
+ self
+ }
+ fn finish(self) -> Self {
+ self
+ }
+ type Finished = Self;
+}
+
+impl<'a> Target for &'a mut String {
+ fn as_mut_string(&mut self) -> &mut String {
+ &mut **self
+ }
+ fn finish(self) -> Self {
+ self
+ }
+ type Finished = Self;
+}
+
+impl<'a, T: Target> Serializer<'a, T> {
+ /// Create a new `application/x-www-form-urlencoded` serializer for the given target.
+ ///
+ /// If the target is non-empty,
+ /// its content is assumed to already be in `application/x-www-form-urlencoded` syntax.
+ pub fn new(target: T) -> Self {
+ Self::for_suffix(target, 0)
+ }
+
+ /// Create a new `application/x-www-form-urlencoded` serializer
+ /// for a suffix of the given target.
+ ///
+ /// If that suffix is non-empty,
+ /// its content is assumed to already be in `application/x-www-form-urlencoded` syntax.
+ pub fn for_suffix(mut target: T, start_position: usize) -> Self {
+ if target.as_mut_string().len() < start_position {
+ panic!(
+ "invalid length {} for target of length {}",
+ start_position,
+ target.as_mut_string().len()
+ );
+ }
+
+ Serializer {
+ target: Some(target),
+ start_position,
+ encoding: None,
+ }
+ }
+
+ /// Remove any existing name/value pair.
+ ///
+ /// Panics if called after `.finish()`.
+ pub fn clear(&mut self) -> &mut Self {
+ string(&mut self.target).truncate(self.start_position);
+ self
+ }
+
+ /// Set the character encoding to be used for names and values before percent-encoding.
+ pub fn encoding_override(&mut self, new: EncodingOverride<'a>) -> &mut Self {
+ self.encoding = new;
+ self
+ }
+
+ /// Serialize and append a name/value pair.
+ ///
+ /// Panics if called after `.finish()`.
+ pub fn append_pair(&mut self, name: &str, value: &str) -> &mut Self {
+ append_pair(
+ string(&mut self.target),
+ self.start_position,
+ self.encoding,
+ name,
+ value,
+ );
+ self
+ }
+
+ /// Serialize and append a name of parameter without any value.
+ ///
+ /// Panics if called after `.finish()`.
+ pub fn append_key_only(&mut self, name: &str) -> &mut Self {
+ append_key_only(
+ string(&mut self.target),
+ self.start_position,
+ self.encoding,
+ name,
+ );
+ self
+ }
+
+ /// Serialize and append a number of name/value pairs.
+ ///
+ /// This simply calls `append_pair` repeatedly.
+ /// This can be more convenient, so the user doesn’t need to introduce a block
+ /// to limit the scope of `Serializer`’s borrow of its string.
+ ///
+ /// Panics if called after `.finish()`.
+ pub fn extend_pairs<I, K, V>(&mut self, iter: I) -> &mut Self
+ where
+ I: IntoIterator,
+ I::Item: Borrow<(K, V)>,
+ K: AsRef<str>,
+ V: AsRef<str>,
+ {
+ {
+ let string = string(&mut self.target);
+ for pair in iter {
+ let &(ref k, ref v) = pair.borrow();
+ append_pair(
+ string,
+ self.start_position,
+ self.encoding,
+ k.as_ref(),
+ v.as_ref(),
+ );
+ }
+ }
+ self
+ }
+
+ /// Serialize and append a number of names without values.
+ ///
+ /// This simply calls `append_key_only` repeatedly.
+ /// This can be more convenient, so the user doesn’t need to introduce a block
+ /// to limit the scope of `Serializer`’s borrow of its string.
+ ///
+ /// Panics if called after `.finish()`.
+ pub fn extend_keys_only<I, K>(&mut self, iter: I) -> &mut Self
+ where
+ I: IntoIterator,
+ I::Item: Borrow<K>,
+ K: AsRef<str>,
+ {
+ {
+ let string = string(&mut self.target);
+ for key in iter {
+ let k = key.borrow().as_ref();
+ append_key_only(string, self.start_position, self.encoding, k);
+ }
+ }
+ self
+ }
+
+ /// If this serializer was constructed with a string, take and return that string.
+ ///
+ /// ```rust
+ /// use form_urlencoded;
+ /// let encoded: String = form_urlencoded::Serializer::new(String::new())
+ /// .append_pair("foo", "bar & baz")
+ /// .append_pair("saison", "Été+hiver")
+ /// .finish();
+ /// assert_eq!(encoded, "foo=bar+%26+baz&saison=%C3%89t%C3%A9%2Bhiver");
+ /// ```
+ ///
+ /// Panics if called more than once.
+ pub fn finish(&mut self) -> T::Finished {
+ self.target
+ .take()
+ .expect("url::form_urlencoded::Serializer double finish")
+ .finish()
+ }
+}
+
+fn append_separator_if_needed(string: &mut String, start_position: usize) {
+ if string.len() > start_position {
+ string.push('&')
+ }
+}
+
+fn string<T: Target>(target: &mut Option<T>) -> &mut String {
+ target
+ .as_mut()
+ .expect("url::form_urlencoded::Serializer finished")
+ .as_mut_string()
+}
+
+fn append_pair(
+ string: &mut String,
+ start_position: usize,
+ encoding: EncodingOverride<'_>,
+ name: &str,
+ value: &str,
+) {
+ append_separator_if_needed(string, start_position);
+ append_encoded(name, string, encoding);
+ string.push('=');
+ append_encoded(value, string, encoding);
+}
+
+fn append_key_only(
+ string: &mut String,
+ start_position: usize,
+ encoding: EncodingOverride,
+ name: &str,
+) {
+ append_separator_if_needed(string, start_position);
+ append_encoded(name, string, encoding);
+}
+
+fn append_encoded(s: &str, string: &mut String, encoding: EncodingOverride<'_>) {
+ string.extend(byte_serialize(&encode(encoding, s)))
+}
+
+pub(crate) fn encode<'a>(encoding_override: EncodingOverride<'_>, input: &'a str) -> Cow<'a, [u8]> {
+ if let Some(o) = encoding_override {
+ return o(input);
+ }
+ input.as_bytes().into()
+}
+
+pub(crate) fn decode_utf8_lossy(input: Cow<'_, [u8]>) -> Cow<'_, str> {
+ // Note: This function is duplicated in `percent_encoding/lib.rs`.
+ match input {
+ Cow::Borrowed(bytes) => String::from_utf8_lossy(bytes),
+ Cow::Owned(bytes) => {
+ match String::from_utf8_lossy(&bytes) {
+ Cow::Borrowed(utf8) => {
+ // If from_utf8_lossy returns a Cow::Borrowed, then we can
+ // be sure our original bytes were valid UTF-8. This is because
+ // if the bytes were invalid UTF-8 from_utf8_lossy would have
+ // to allocate a new owned string to back the Cow so it could
+ // replace invalid bytes with a placeholder.
+
+ // First we do a debug_assert to confirm our description above.
+ let raw_utf8: *const [u8] = utf8.as_bytes();
+ debug_assert!(raw_utf8 == &*bytes as *const [u8]);
+
+ // Given we know the original input bytes are valid UTF-8,
+ // and we have ownership of those bytes, we re-use them and
+ // return a Cow::Owned here.
+ Cow::Owned(unsafe { String::from_utf8_unchecked(bytes) })
+ }
+ Cow::Owned(s) => Cow::Owned(s),
+ }
+ }
+ }
+}
+
+pub type EncodingOverride<'a> = Option<&'a dyn Fn(&str) -> Cow<'_, [u8]>>;
projects / platform / upstream / rust-form_urlencoded.git / commitdiff