From 45be2ff1f5bb3d6e0faa098402adf985b3d5e7ca Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Sat, 4 May 2019 12:38:36 +0200
Subject: Rename dhall_core to dhall_syntax

---
 dhall_syntax/src/import.rs | 64 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 dhall_syntax/src/import.rs

(limited to 'dhall_syntax/src/import.rs')

diff --git a/dhall_syntax/src/import.rs b/dhall_syntax/src/import.rs
new file mode 100644
index 0000000..00f293c
--- /dev/null
+++ b/dhall_syntax/src/import.rs
@@ -0,0 +1,64 @@
+use std::path::PathBuf;
+
+/// The beginning of a file path which anchors subsequent path components
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub enum FilePrefix {
+    /// Absolute path
+    Absolute,
+    /// Path relative to .
+    Here,
+    /// Path relative to ..
+    Parent,
+    /// Path relative to ~
+    Home,
+}
+
+/// The location of import (i.e. local vs. remote vs. environment)
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub enum ImportLocation {
+    Local(FilePrefix, PathBuf),
+    Remote(URL),
+    Env(String),
+    Missing,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct URL {
+    pub scheme: Scheme,
+    pub authority: String,
+    pub path: PathBuf,
+    pub query: Option<String>,
+    pub headers: Option<Box<ImportHashed>>,
+}
+
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub enum Scheme {
+    HTTP,
+    HTTPS,
+}
+
+/// How to interpret the import's contents (i.e. as Dhall code or raw text)
+#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
+pub enum ImportMode {
+    Code,
+    RawText,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct Hash {
+    pub protocol: String,
+    pub hash: String,
+}
+
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct ImportHashed {
+    pub location: ImportLocation,
+    pub hash: Option<Hash>,
+}
+
+/// Reference to an external resource
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
+pub struct Import {
+    pub mode: ImportMode,
+    pub location_hashed: ImportHashed,
+}
-- 
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