feat: add http response codes

Signed-off-by: kjuulh <contact@kjuulh.io>

corpus/requests.txt

@@ -8,10 +8,11 @@ GET https://somewhere.com
 
 (source_file
   (request_declaration
-    (request_literal)))
+     (request_literal)
+        (url)))
 
 ===
-GET request
+POST request
 ===
 
 POST https://somewhere.com?query=something
@@ -20,4 +21,74 @@ POST https://somewhere.com?query=something
 
 (source_file
   (request_declaration
-    (request_literal)))
+     (request_literal)
+        (url)))
+
+===
+Headers
+===
+
+POST https://somewhere.com?query=something
+some: header
+
+---
+
+(source_file
+  (request_declaration
+     (request_literal)
+       (url))
+     (header_declaration
+       (header_name)
+       (header_value)))
+
+===
+More Headers
+===
+
+POST https://somewhere.com?query=something
+some: header
+A123a-123: someA asdfasdf asdf c123
+
+---
+
+(source_file
+  (request_declaration
+    (request_literal)
+      (url))
+      (header_declaration
+        (header_name)
+        (header_value)))
+
+===
+HTTP Status codes 200
+===
+
+POST https://somewhere.com?query=something
+
+HTTP 200
+---
+
+(source_file
+  (request_declaration
+    (request_literal)
+      (url))
+      (response
+        (scheme_literal)
+        (status_code_pattern)))
+
+===
+HTTP Status codes 302
+===
+
+POST https://somewhere.com?query=something
+
+HTTP 302
+---
+
+(source_file
+  (request_declaration
+    (request_literal)
+      (url))
+      (response
+        (scheme_literal)
+        (status_code_pattern)))

grammar.js

@@ -10,10 +10,27 @@ module.exports = grammar({
       choice($._declaration_statement),
 
     _declaration_statement: ($) =>
-      choice($.request_declaration),
+      choice(
+        $.request_declaration,
+        $.header_declaration,
+        alias($.http_response_declaration, $.response),
+      ),
+
+    // declarations
 
     request_declaration: ($) =>
-      seq($._literal, field("url", $._url)),
+      seq($._literal, field("url", $.url)),
+
+    header_declaration: ($) =>
+      seq(
+        field("header_name", $.header_name),
+        ":",
+        field("header_value", $.header_value)
+      ),
+
+    http_response_declaration: $ => seq($.scheme_literal, $._space_literal, $.status_code_pattern),
+
+    // literals
 
     _literal: ($) => choice($.request_literal),
 
@@ -36,6 +53,17 @@ module.exports = grammar({
         "VIEW"
       ),
 
-    _url: ($) => /\S+/,
+    scheme_literal: $ => "HTTP",
+
+    _space_literal: $ => " ",
+
+    // patterns
+
+    status_code_pattern: $ => /[\d]{3}/,
+    header_name: ($) => /[a-zA-Z-_0-9]+/,
+    header_value: ($) =>
+      /[a-zA-Z-_0-9\s:;\.,\\\/\"\'\?\!\(\)\{\}\[\]@<>=\-\+\*\#\$\&`|~^%]+/,
+
+    url: ($) => /\S+/,
   },
 });

src/grammar.json

@@ -23,6 +23,19 @@
         {
           "type": "SYMBOL",
           "name": "request_declaration"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "header_declaration"
+        },
+        {
+          "type": "ALIAS",
+          "content": {
+            "type": "SYMBOL",
+            "name": "http_response_declaration"
+          },
+          "named": true,
+          "value": "response"
         }
       ]
     },
@@ -38,11 +51,53 @@
           "name": "url",
           "content": {
             "type": "SYMBOL",
-            "name": "_url"
+            "name": "url"
           }
         }
       ]
     },
+    "header_declaration": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "FIELD",
+          "name": "header_name",
+          "content": {
+            "type": "SYMBOL",
+            "name": "header_name"
+          }
+        },
+        {
+          "type": "STRING",
+          "value": ":"
+        },
+        {
+          "type": "FIELD",
+          "name": "header_value",
+          "content": {
+            "type": "SYMBOL",
+            "name": "header_value"
+          }
+        }
+      ]
+    },
+    "http_response_declaration": {
+      "type": "SEQ",
+      "members": [
+        {
+          "type": "SYMBOL",
+          "name": "scheme_literal"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "_space_literal"
+        },
+        {
+          "type": "SYMBOL",
+          "name": "status_code_pattern"
+        }
+      ]
+    },
     "_literal": {
       "type": "CHOICE",
       "members": [
@@ -117,7 +172,27 @@
         }
       ]
     },
-    "_url": {
+    "scheme_literal": {
+      "type": "STRING",
+      "value": "HTTP"
+    },
+    "_space_literal": {
+      "type": "STRING",
+      "value": " "
+    },
+    "status_code_pattern": {
+      "type": "PATTERN",
+      "value": "[\\d]{3}"
+    },
+    "header_name": {
+      "type": "PATTERN",
+      "value": "[a-zA-Z-_0-9]+"
+    },
+    "header_value": {
+      "type": "PATTERN",
+      "value": "[a-zA-Z-_0-9\\s:;\\.,\\\\\\/\\\"\\'\\?\\!\\(\\)\\{\\}\\[\\]@<>=\\-\\+\\*\\#\\$\\&`|~^%]+"
+    },
+    "url": {
       "type": "PATTERN",
       "value": "\\S+"
     }

src/node-types.json

@@ -1,8 +1,45 @@
 [
+  {
+    "type": "header_declaration",
+    "named": true,
+    "fields": {
+      "header_name": {
+        "multiple": false,
+        "required": true,
+        "types": [
+          {
+            "type": "header_name",
+            "named": true
+          }
+        ]
+      },
+      "header_value": {
+        "multiple": false,
+        "required": true,
+        "types": [
+          {
+            "type": "header_value",
+            "named": true
+          }
+        ]
+      }
+    }
+  },
   {
     "type": "request_declaration",
     "named": true,
-    "fields": {},
+    "fields": {
+      "url": {
+        "multiple": false,
+        "required": true,
+        "types": [
+          {
+            "type": "url",
+            "named": true
+          }
+        ]
+      }
+    },
     "children": {
       "multiple": false,
       "required": true,
@@ -19,6 +56,25 @@
     "named": true,
     "fields": {}
   },
+  {
+    "type": "response",
+    "named": true,
+    "fields": {},
+    "children": {
+      "multiple": true,
+      "required": true,
+      "types": [
+        {
+          "type": "scheme_literal",
+          "named": true
+        },
+        {
+          "type": "status_code_pattern",
+          "named": true
+        }
+      ]
+    }
+  },
   {
     "type": "source_file",
     "named": true,
@@ -27,13 +83,25 @@
       "multiple": true,
       "required": false,
       "types": [
+        {
+          "type": "header_declaration",
+          "named": true
+        },
         {
           "type": "request_declaration",
           "named": true
+        },
+        {
+          "type": "response",
+          "named": true
         }
       ]
     }
   },
+  {
+    "type": ":",
+    "named": false
+  },
   {
     "type": "CONNECT",
     "named": false
@@ -93,5 +161,25 @@
   {
     "type": "VIEW",
     "named": false
+  },
+  {
+    "type": "header_name",
+    "named": true
+  },
+  {
+    "type": "header_value",
+    "named": true
+  },
+  {
+    "type": "scheme_literal",
+    "named": true
+  },
+  {
+    "type": "status_code_pattern",
+    "named": true
+  },
+  {
+    "type": "url",
+    "named": true
   }
 ]