From 9336a888d4d92833e208ced3fe1745b359d2a8f7 Mon Sep 17 00:00:00 2001
From: extraasterisk <mcjolly.fries@gmail.com>
Date: Mon, 18 Sep 2023 11:09:18 +0800
Subject: [PATCH 1/3] Limit split for string keywords

---
 fixtures/equals_in_pattern.json | 25 +++++++++++++++++++++++++
 reflect.go                      |  2 +-
 reflect_test.go                 |  6 ++++++
 3 files changed, 32 insertions(+), 1 deletion(-)
 create mode 100644 fixtures/equals_in_pattern.json

diff --git a/fixtures/equals_in_pattern.json b/fixtures/equals_in_pattern.json
new file mode 100644
index 0000000..8174c74
--- /dev/null
+++ b/fixtures/equals_in_pattern.json
@@ -0,0 +1,25 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://github.com/invopop/jsonschema/pattern-equals-test",
+  "$ref": "#/$defs/PatternEqualsTest",
+  "$defs": {
+    "PatternEqualsTest": {
+      "properties": {
+        "WithEquals": {
+          "type": "string",
+          "pattern": "foo=bar"
+        },
+        "WithEqualsAndCommas": {
+          "type": "string",
+          "pattern": "foo,=bar"
+        }
+      },
+      "additionalProperties": false,
+      "type": "object",
+      "required": [
+        "WithEquals",
+        "WithEqualsAndCommas"
+      ]
+    }
+  }
+}
\ No newline at end of file
diff --git a/reflect.go b/reflect.go
index 863b3b7..d7dce99 100644
--- a/reflect.go
+++ b/reflect.go
@@ -810,7 +810,7 @@ func (t *Schema) booleanKeywords(tags []string) {
 // read struct tags for string type keyworks
 func (t *Schema) stringKeywords(tags []string) {
 	for _, tag := range tags {
-		nameValue := strings.Split(tag, "=")
+		nameValue := strings.SplitN(tag, "=", 2)
 		if len(nameValue) == 2 {
 			name, val := nameValue[0], nameValue[1]
 			switch name {
diff --git a/reflect_test.go b/reflect_test.go
index b60bcfd..3083148 100644
--- a/reflect_test.go
+++ b/reflect_test.go
@@ -334,6 +334,11 @@ type Expression struct {
 	Value int `json:"value" jsonschema_extras:"foo=bar=='baz'"`
 }
 
+type PatternEqualsTest struct {
+	WithEquals string `jsonschema:"pattern=foo=bar"`
+	WithEqualsAndCommas string `jsonschema:"pattern=foo\\,=bar"`
+}
+
 func TestReflector(t *testing.T) {
 	r := new(Reflector)
 	s := "http://example.com/schema"
@@ -466,6 +471,7 @@ func TestSchemaGeneration(t *testing.T) {
 		{ArrayType{}, &Reflector{}, "fixtures/array_type.json"},
 		{SchemaExtendTest{}, &Reflector{}, "fixtures/custom_type_extend.json"},
 		{Expression{}, &Reflector{}, "fixtures/schema_with_expression.json"},
+		{PatternEqualsTest{}, &Reflector{}, "fixtures/equals_in_pattern.json"},
 	}
 
 	for _, tt := range tests {

From 8a098cbcb66558b5c55fccd24c7cc42825d906d6 Mon Sep 17 00:00:00 2001
From: extraasterisk <mcjolly.fries@gmail.com>
Date: Fri, 29 Sep 2023 08:54:08 +0800
Subject: [PATCH 2/3] Fix linter issue

---
 reflect_test.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/reflect_test.go b/reflect_test.go
index 3083148..35345d7 100644
--- a/reflect_test.go
+++ b/reflect_test.go
@@ -335,7 +335,7 @@ type Expression struct {
 }
 
 type PatternEqualsTest struct {
-	WithEquals string `jsonschema:"pattern=foo=bar"`
+	WithEquals          string `jsonschema:"pattern=foo=bar"`
 	WithEqualsAndCommas string `jsonschema:"pattern=foo\\,=bar"`
 }
 

From 9d905a25553837495e11ecb6d61f5348110dc49f Mon Sep 17 00:00:00 2001
From: extraasterisk <mcjolly.fries@gmail.com>
Date: Tue, 3 Oct 2023 08:18:51 +0800
Subject: [PATCH 3/3] Limit split on genericKeywords

---
 reflect.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/reflect.go b/reflect.go
index ad9b56d..b9f35f4 100644
--- a/reflect.go
+++ b/reflect.go
@@ -681,7 +681,7 @@ func (t *Schema) structKeywordsFromTags(f reflect.StructField, parent *Schema, p
 func (t *Schema) genericKeywords(tags []string, parent *Schema, propertyName string) []string { //nolint:gocyclo
 	unprocessed := make([]string, 0, len(tags))
 	for _, tag := range tags {
-		nameValue := strings.Split(tag, "=")
+		nameValue := strings.SplitN(tag, "=", 2)
 		if len(nameValue) == 2 {
 			name, val := nameValue[0], nameValue[1]
 			switch name {