From 002a4387fc9eff79f6b15172d866af90ede0664a Mon Sep 17 00:00:00 2001
From: Matthew Toohey <contact@mtoohey.com>
Date: Sat, 29 Oct 2022 16:41:28 -0400
Subject: [PATCH] feat(lang): add xml (#4518)

---
 book/src/generated/lang-support.md |  1 +
 languages.toml                     | 20 ++++++++++++++
 runtime/queries/xml/highlights.scm | 42 ++++++++++++++++++++++++++++++
 runtime/queries/xml/indents.scm    |  1 +
 runtime/queries/xml/injections.scm |  2 ++
 5 files changed, 66 insertions(+)
 create mode 100644 runtime/queries/xml/highlights.scm
 create mode 100644 runtime/queries/xml/indents.scm
 create mode 100644 runtime/queries/xml/injections.scm

diff --git a/book/src/generated/lang-support.md b/book/src/generated/lang-support.md
index ee54114a86804..545ec635b4b9f 100644
--- a/book/src/generated/lang-support.md
+++ b/book/src/generated/lang-support.md
@@ -127,5 +127,6 @@
 | wat | ✓ |  |  |  |
 | wgsl | ✓ |  |  | `wgsl_analyzer` |
 | xit | ✓ |  |  |  |
+| xml | ✓ |  | ✓ |  |
 | yaml | ✓ |  | ✓ | `yaml-language-server` |
 | zig | ✓ | ✓ | ✓ | `zls` |
diff --git a/languages.toml b/languages.toml
index 31a454b0c764e..00e6459dee2df 100644
--- a/languages.toml
+++ b/languages.toml
@@ -1897,3 +1897,23 @@ injection-regex = "kdl"
 [[grammar]]
 name = "kdl"
 source = { git = "https://github.com/Unoqwy/tree-sitter-kdl", rev = "e1cd292c6d15df6610484e1d4b5c987ecad52373" }
+
+[[language]]
+name = "xml"
+scope = "source.xml"
+injection-regex = "xml"
+file-types = ["xml"]
+indent = { tab-width = 2, unit = "  " }
+roots = []
+
+[language.auto-pairs]
+'(' = ')'
+'{' = '}'
+'[' = ']'
+'"' = '"'
+"'" = "'"
+"<" = ">"
+
+[[grammar]]
+name = "xml"
+source = { git = "https://github.com/RenjiSann/tree-sitter-xml", rev = "422528a43630db6dcc1e222d1c5ee3babd559473" }
diff --git a/runtime/queries/xml/highlights.scm b/runtime/queries/xml/highlights.scm
new file mode 100644
index 0000000000000..d5940c8a0691f
--- /dev/null
+++ b/runtime/queries/xml/highlights.scm
@@ -0,0 +1,42 @@
+(comment) @comment
+
+[
+    "DOCTYPE"
+    "ELEMENT"
+    "ATTLIST"
+] @keyword
+
+[
+    "#REQUIRED"
+    "#IMPLIED"
+    "#FIXED"
+    "#PCDATA"
+] @keyword.directive
+
+[
+    "EMPTY"
+    "ANY"
+    "SYSTEM"
+    "PUBLIC"
+] @constant
+
+(doctype) @variable
+(element_name) @variable
+
+"xml" @tag
+(tag_name) @tag
+
+[
+    "encoding"
+    "version"
+    "standalone"
+] @attribute
+(attribute_name) @attribute
+
+(system_literal) @string
+(pubid_literal) @string
+(attribute_value) @string
+
+[
+    "<" ">" "</" "/>" "<?" "?>" "<!"
+] @punctuation.bracket
diff --git a/runtime/queries/xml/indents.scm b/runtime/queries/xml/indents.scm
new file mode 100644
index 0000000000000..d756debbc64a1
--- /dev/null
+++ b/runtime/queries/xml/indents.scm
@@ -0,0 +1 @@
+(element) @indent
diff --git a/runtime/queries/xml/injections.scm b/runtime/queries/xml/injections.scm
new file mode 100644
index 0000000000000..321c90add3710
--- /dev/null
+++ b/runtime/queries/xml/injections.scm
@@ -0,0 +1,2 @@
+((comment) @injection.content
+ (#set! injection.language "comment"))