Add lang identifier to multiline.

2024-11-23 00:44:55 +03:00 · 2022-11-15 12:00:29 +01:00 · 2022-11-15 12:00:29 +01:00 · 3b3483a997
commit 3b3483a997
parent f3bf0b7618
25 changed files with 886 additions and 351 deletions
--- a/integration/tests_error_parser/multiline.err
+++ b/integration/tests_error_parser/multiline.err
@ -0,0 +1,7 @@
+error: Parsing multine
+  --> tests_error_parser/multiline.hurl:2:4
+   |
+ 2 | ```foo
+   |    ^ the multiline is not valid
+   |
+
--- a/integration/tests_error_parser/multiline.exit
+++ b/integration/tests_error_parser/multiline.exit
@ -0,0 +1,2 @@
+2
+
--- a/integration/tests_error_parser/multiline.hurl
+++ b/integration/tests_error_parser/multiline.hurl
@ -0,0 +1,6 @@
+GET http://localhost:8000/invalid-multiline
+```foo
+bar
+baz
+```
+HTTP 200
--- a/integration/tests_failed/assert_newline.err
+++ b/integration/tests_failed/assert_newline.err
@ -1,7 +1,7 @@
 error: Assert body value
-  --> tests_failed/assert_newline.hurl:9:4
+  --> tests_failed/assert_newline.hurl:10:1
   |
- 9 | ```<p>Hello</p>
+10 | <p>Hello</p>
   | ^ actual value is <<p>Hello</p>

 >
--- a/integration/tests_failed/assert_newline.html
+++ b/integration/tests_failed/assert_newline.html
@ -6,7 +6,8 @@
 <span class="line"></span><span class="comment"># It should produce an assert error</span>
 <span class="line"><span class="method">GET</span> <span class="url">http://localhost:8000/error-assert-newline</span></span>
 </span><span class="response"><span class="line"><span class="version">HTTP</span> <span class="number">200</span></span>
-<span class="raw"><span class="line">```&lt;p&gt;Hello&lt;/p&gt;</span>
+<span class="raw"><span class="line">```</span>
+<span class="line">&lt;p&gt;Hello&lt;/p&gt;</span>
 <span class="line">```</span></span>
 </span></span><span class="line"></span>
 <span class="line"></span><span class="comment"># TODO</span>
--- a/integration/tests_failed/assert_newline.hurl
+++ b/integration/tests_failed/assert_newline.hurl
@ -6,7 +6,8 @@
 # It should produce an assert error
 GET http://localhost:8000/error-assert-newline
 HTTP 200
-```<p>Hello</p>
+```
+<p>Hello</p>
 ```

 # TODO
--- a/integration/tests_ok/multilines.html
+++ b/integration/tests_ok/multilines.html
@ -1,15 +1,80 @@
-<pre><code class="language-hurl"><span class="hurl-entry"><span class="request"><span class="line"><span class="method">GET</span> <span class="url">http://localhost:8000/multilines</span></span>
-</span><span class="response"><span class="line"><span class="version">HTTP</span> <span class="number">200</span></span>
+<pre><code class="language-hurl"><span class="hurl-entry"><span class="request"><span class="line"><span class="method">GET</span> <span class="url">http://localhost:8000/multilines/plain-text</span></span>
+</span><span class="response"><span class="line"></span>
+<span class="line"><span class="version">HTTP</span> <span class="number">200</span></span>
 <span class="line section-header">[Asserts]</span>
 <span class="line"><span class="query-type">body</span> <span class="predicate-type">==</span> <span class="string">"line1\nline2\nline3\n"</span></span>
-<span class="line"><span class="query-type">body</span> <span class="predicate-type">==</span> <span class="raw"><span class="line">```line1</span>
-<span class="line">line2</span>
-<span class="line">line3</span>
-<span class="line">```</span></span></span>
 <span class="line"><span class="query-type">body</span> <span class="predicate-type">==</span> <span class="raw"><span class="line">```</span>
 <span class="line">line1</span>
 <span class="line">line2</span>
 <span class="line">line3</span>
 <span class="line">```</span></span></span>
-</span></span><span class="line"></span>
-</code></pre>
+</span></span><span class="hurl-entry"><span class="request"><span class="line"></span>
+<span class="line"></span>
+<span class="line"><span class="method">GET</span> <span class="url">http://localhost:8000/multilines/base64</span></span>
+</span><span class="response"><span class="line"></span>
+<span class="line"><span class="version">HTTP</span> <span class="number">200</span></span>
+<span class="raw"><span class="line">```base64</span>
+<span class="line">TG9yZW0gaXBzdW0gZG9sb3Igc2l0IGFtZXQsIGNvbnNlY3RldHVyIGFkaXBpc2NpbmcgZWxpdCwg</span>
+<span class="line">c2VkIGRvIGVpdXNtb2QgdGVtcG9yIGluY2lkaWR1bnQgdXQgbGFib3JlIGV0IGRvbG9yZSBtYWdu</span>
+<span class="line">YSBhbGlxdWEuIFV0IGVuaW0gYWQgbWluaW0gdmVuaWFtLCBxdWlzIG5vc3RydWQgZXhlcmNpdGF0</span>
+<span class="line">aW9uIHVsbGFtY28gbGFib3JpcyBuaXNpIHV0IGFsaXF1aXAgZXggZWEgY29tbW9kbyBjb25zZXF1</span>
+<span class="line">YXQuIER1aXMgYXV0ZSBpcnVyZSBkb2xvciBpbiByZXByZWhlbmRlcml0IGluIHZvbHVwdGF0ZSB2</span>
+<span class="line">ZWxpdCBlc3NlIGNpbGx1bSBkb2xvcmUgZXUgZnVnaWF0IG51bGxhIHBhcmlhdHVyLiBFeGNlcHRl</span>
+<span class="line">dXIgc2ludCBvY2NhZWNhdCBjdXBpZGF0YXQgbm9uIHByb2lkZW50LCBzdW50IGluIGN1bHBhIHF1</span>
+<span class="line">aSBvZmZpY2lhIGRlc2VydW50IG1vbGxpdCBhbmltIGlkIGVzdCBsYWJvcnVtLg==</span>
+<span class="line">```</span></span>
+</span></span><span class="hurl-entry"><span class="request"><span class="line"></span>
+<span class="line"></span>
+<span class="line"><span class="method">GET</span> <span class="url">http://localhost:8000/multilines/hex</span></span>
+</span><span class="response"><span class="line"></span>
+<span class="line"><span class="version">HTTP</span> <span class="number">200</span></span>
+<span class="raw"><span class="line">```hex</span>
+<span class="line">039058c6f2c0cb492c533b0a4d14ef77cc0f78abccced5287d84a1a2011cfb81</span>
+<span class="line">```</span></span>
+</span></span><span class="hurl-entry"><span class="request"><span class="line"></span>
+<span class="line"></span>
+<span class="line"><span class="method">GET</span> <span class="url">http://localhost:8000/multilines/json</span></span>
+</span><span class="response"><span class="line"></span>
+<span class="line"><span class="version">HTTP</span> <span class="number">200</span></span>
+<span class="raw"><span class="line">```json</span>
+<span class="line">{</span>
+<span class="line">  "foo": "bar"</span>
+<span class="line">  "baz": 123456</span>
+<span class="line">}</span>
+<span class="line">```</span></span>
+</span></span><span class="hurl-entry"><span class="request"><span class="line"></span>
+<span class="line"></span>
+<span class="line"><span class="method">GET</span> <span class="url">http://localhost:8000/multilines/xml</span></span>
+</span><span class="response"><span class="line"></span>
+<span class="line"><span class="version">HTTP</span> <span class="number">200</span></span>
+<span class="raw"><span class="line">```xml</span>
+<span class="line">&lt;?xml version="1.0"?&gt;</span>
+<span class="line">&lt;catalog&gt;</span>
+<span class="line">   &lt;book id="bk101"&gt;</span>
+<span class="line">      &lt;author&gt;Gambardella, Matthew&lt;/author&gt;</span>
+<span class="line">      &lt;title&gt;XML Developer's Guide&lt;/title&gt;</span>
+<span class="line">      &lt;genre&gt;Computer&lt;/genre&gt;</span>
+<span class="line">      &lt;price&gt;44.95&lt;/price&gt;</span>
+<span class="line">      &lt;publish_date&gt;2000-10-01&lt;/publish_date&gt;</span>
+<span class="line">      &lt;description&gt;An in-depth look at creating applications</span>
+<span class="line">      with XML.&lt;/description&gt;</span>
+<span class="line">   &lt;/book&gt;</span>
+<span class="line">&lt;/catalog&gt;</span>
+<span class="line">```</span></span>
+</span></span><span class="hurl-entry"><span class="request"><span class="line"></span>
+<span class="line"></span>
+<span class="line"><span class="method">GET</span> <span class="url">http://localhost:8000/multilines/graphql</span></span>
+</span><span class="response"><span class="line"></span>
+<span class="line"><span class="version">HTTP</span> <span class="number">200</span></span>
+<span class="raw"><span class="line">```graphql</span>
+<span class="line">{</span>
+<span class="line">  hero {</span>
+<span class="line">    name</span>
+<span class="line">    # Queries can have comments!</span>
+<span class="line">    friends {</span>
+<span class="line">      name</span>
+<span class="line">    }</span>
+<span class="line">  }</span>
+<span class="line">}</span>
+<span class="line">```</span></span>
+</span></span></code></pre>
--- a/integration/tests_ok/multilines.hurl
+++ b/integration/tests_ok/multilines.hurl
@ -1,14 +1,79 @@
-GET http://localhost:8000/multilines
+GET http://localhost:8000/multilines/plain-text
+
 HTTP 200
 [Asserts]
 body == "line1\nline2\nline3\n"
-body == ```line1
-line2
-line3
-```
 body == ```
 line1
 line2
 line3
 ```

+
+GET http://localhost:8000/multilines/base64
+
+HTTP 200
+```base64
+TG9yZW0gaXBzdW0gZG9sb3Igc2l0IGFtZXQsIGNvbnNlY3RldHVyIGFkaXBpc2NpbmcgZWxpdCwg
+c2VkIGRvIGVpdXNtb2QgdGVtcG9yIGluY2lkaWR1bnQgdXQgbGFib3JlIGV0IGRvbG9yZSBtYWdu
+YSBhbGlxdWEuIFV0IGVuaW0gYWQgbWluaW0gdmVuaWFtLCBxdWlzIG5vc3RydWQgZXhlcmNpdGF0
+aW9uIHVsbGFtY28gbGFib3JpcyBuaXNpIHV0IGFsaXF1aXAgZXggZWEgY29tbW9kbyBjb25zZXF1
+YXQuIER1aXMgYXV0ZSBpcnVyZSBkb2xvciBpbiByZXByZWhlbmRlcml0IGluIHZvbHVwdGF0ZSB2
+ZWxpdCBlc3NlIGNpbGx1bSBkb2xvcmUgZXUgZnVnaWF0IG51bGxhIHBhcmlhdHVyLiBFeGNlcHRl
+dXIgc2ludCBvY2NhZWNhdCBjdXBpZGF0YXQgbm9uIHByb2lkZW50LCBzdW50IGluIGN1bHBhIHF1
+aSBvZmZpY2lhIGRlc2VydW50IG1vbGxpdCBhbmltIGlkIGVzdCBsYWJvcnVtLg==
+```
+
+
+GET http://localhost:8000/multilines/hex
+
+HTTP 200
+```hex
+039058c6f2c0cb492c533b0a4d14ef77cc0f78abccced5287d84a1a2011cfb81
+```
+
+
+GET http://localhost:8000/multilines/json
+
+HTTP 200
+```json
+{
+  "foo": "bar"
+  "baz": 123456
+}
+```
+
+
+GET http://localhost:8000/multilines/xml
+
+HTTP 200
+```xml
+<?xml version="1.0"?>
+<catalog>
+   <book id="bk101">
+      <author>Gambardella, Matthew</author>
+      <title>XML Developer's Guide</title>
+      <genre>Computer</genre>
+      <price>44.95</price>
+      <publish_date>2000-10-01</publish_date>
+      <description>An in-depth look at creating applications
+      with XML.</description>
+   </book>
+</catalog>
+```
+
+
+GET http://localhost:8000/multilines/graphql
+
+HTTP 200
+```graphql
+{
+  hero {
+    name
+    # Queries can have comments!
+    friends {
+      name
+    }
+  }
+}
+```
--- a/integration/tests_ok/multilines.json
+++ b/integration/tests_ok/multilines.json
@ -1 +1 @@
-{"entries":[{"request":{"method":"GET","url":"http://localhost:8000/multilines"},"response":{"status":200,"asserts":[{"query":{"type":"body"},"predicate":{"type":"equal","value":"line1\nline2\nline3\n"}},{"query":{"type":"body"},"predicate":{"type":"equal","value":"line1\nline2\nline3\n"}},{"query":{"type":"body"},"predicate":{"type":"equal","value":"line1\nline2\nline3\n"}}]}}]}
+{"entries":[{"request":{"method":"GET","url":"http://localhost:8000/multilines/plain-text"},"response":{"status":200,"asserts":[{"query":{"type":"body"},"predicate":{"type":"equal","value":"line1\nline2\nline3\n"}},{"query":{"type":"body"},"predicate":{"type":"equal","value":"line1\nline2\nline3\n"}}]}},{"request":{"method":"GET","url":"http://localhost:8000/multilines/base64"},"response":{"status":200,"body":{"type":"base64","value":"TG9yZW0gaXBzdW0gZG9sb3Igc2l0IGFtZXQsIGNvbnNlY3RldHVyIGFkaXBpc2NpbmcgZWxpdCwg\nc2VkIGRvIGVpdXNtb2QgdGVtcG9yIGluY2lkaWR1bnQgdXQgbGFib3JlIGV0IGRvbG9yZSBtYWdu\nYSBhbGlxdWEuIFV0IGVuaW0gYWQgbWluaW0gdmVuaWFtLCBxdWlzIG5vc3RydWQgZXhlcmNpdGF0\naW9uIHVsbGFtY28gbGFib3JpcyBuaXNpIHV0IGFsaXF1aXAgZXggZWEgY29tbW9kbyBjb25zZXF1\nYXQuIER1aXMgYXV0ZSBpcnVyZSBkb2xvciBpbiByZXByZWhlbmRlcml0IGluIHZvbHVwdGF0ZSB2\nZWxpdCBlc3NlIGNpbGx1bSBkb2xvcmUgZXUgZnVnaWF0IG51bGxhIHBhcmlhdHVyLiBFeGNlcHRl\ndXIgc2ludCBvY2NhZWNhdCBjdXBpZGF0YXQgbm9uIHByb2lkZW50LCBzdW50IGluIGN1bHBhIHF1\naSBvZmZpY2lhIGRlc2VydW50IG1vbGxpdCBhbmltIGlkIGVzdCBsYWJvcnVtLg==\n"}}},{"request":{"method":"GET","url":"http://localhost:8000/multilines/hex"},"response":{"status":200,"body":{"type":"hex","value":"039058c6f2c0cb492c533b0a4d14ef77cc0f78abccced5287d84a1a2011cfb81\n"}}},{"request":{"method":"GET","url":"http://localhost:8000/multilines/json"},"response":{"status":200,"body":{"type":"json","value":"{\n  \"foo\": \"bar\"\n  \"baz\": 123456\n}\n"}}},{"request":{"method":"GET","url":"http://localhost:8000/multilines/xml"},"response":{"status":200,"body":{"type":"xml","value":"<?xml version=\"1.0\"?>\n<catalog>\n   <book id=\"bk101\">\n      <author>Gambardella, Matthew</author>\n      <title>XML Developer's Guide</title>\n      <genre>Computer</genre>\n      <price>44.95</price>\n      <publish_date>2000-10-01</publish_date>\n      <description>An in-depth look at creating applications\n      with XML.</description>\n   </book>\n</catalog>\n"}}},{"request":{"method":"GET","url":"http://localhost:8000/multilines/graphql"},"response":{"status":200,"body":{"type":"graphql","value":"{\n  hero {\n    name\n    # Queries can have comments!\n    friends {\n      name\n    }\n  }\n}\n"}}}]}
--- a/integration/tests_ok/multilines.py
+++ b/integration/tests_ok/multilines.py
@ -1,6 +1,68 @@
 from app import app


-@app.route("/multilines")
-def multilines():
+@app.route("/multilines/plain-text")
+def multilines_plain_text():
    return "line1\nline2\nline3\n"
+
+
+@app.route("/multilines/base64")
+def multilines_base64():
+    return """\
+TG9yZW0gaXBzdW0gZG9sb3Igc2l0IGFtZXQsIGNvbnNlY3RldHVyIGFkaXBpc2NpbmcgZWxpdCwg
+c2VkIGRvIGVpdXNtb2QgdGVtcG9yIGluY2lkaWR1bnQgdXQgbGFib3JlIGV0IGRvbG9yZSBtYWdu
+YSBhbGlxdWEuIFV0IGVuaW0gYWQgbWluaW0gdmVuaWFtLCBxdWlzIG5vc3RydWQgZXhlcmNpdGF0
+aW9uIHVsbGFtY28gbGFib3JpcyBuaXNpIHV0IGFsaXF1aXAgZXggZWEgY29tbW9kbyBjb25zZXF1
+YXQuIER1aXMgYXV0ZSBpcnVyZSBkb2xvciBpbiByZXByZWhlbmRlcml0IGluIHZvbHVwdGF0ZSB2
+ZWxpdCBlc3NlIGNpbGx1bSBkb2xvcmUgZXUgZnVnaWF0IG51bGxhIHBhcmlhdHVyLiBFeGNlcHRl
+dXIgc2ludCBvY2NhZWNhdCBjdXBpZGF0YXQgbm9uIHByb2lkZW50LCBzdW50IGluIGN1bHBhIHF1
+aSBvZmZpY2lhIGRlc2VydW50IG1vbGxpdCBhbmltIGlkIGVzdCBsYWJvcnVtLg==
+"""
+
+
+@app.route("/multilines/json")
+def multilines_json():
+    return """\
+{
+  "foo": "bar"
+  "baz": 123456
+}
+"""
+
+
+@app.route("/multilines/hex")
+def multilines_hex():
+    return "039058c6f2c0cb492c533b0a4d14ef77cc0f78abccced5287d84a1a2011cfb81\n"
+
+
+@app.route("/multilines/xml")
+def multilines_xml():
+    return """\
+<?xml version="1.0"?>
+<catalog>
+   <book id="bk101">
+      <author>Gambardella, Matthew</author>
+      <title>XML Developer's Guide</title>
+      <genre>Computer</genre>
+      <price>44.95</price>
+      <publish_date>2000-10-01</publish_date>
+      <description>An in-depth look at creating applications
+      with XML.</description>
+   </book>
+</catalog>
+"""
+
+
+@app.route("/multilines/graphql")
+def multilines_graphql():
+    return """\
+{
+  hero {
+    name
+    # Queries can have comments!
+    friends {
+      name
+    }
+  }
+}
+"""
--- a/packages/hurl_core/src/ast/core.rs
+++ b/packages/hurl_core/src/ast/core.rs
@ -482,10 +482,26 @@ pub enum PredicateFuncValue {

 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct RawString {
-    pub newline: Whitespace,
+    pub lang: Option<Lang>,
    pub value: Template,
 }

+#[derive(Clone, Debug, PartialEq, Eq)]
+pub struct Lang {
+    pub value: Option<LangValue>,
+    pub space: Whitespace,
+    pub newline: Whitespace,
+}
+
+#[derive(Clone, Debug, PartialEq, Eq)]
+pub enum LangValue {
+    Base64,
+    Hex,
+    Json,
+    Xml,
+    GraphQl,
+}
+
 #[derive(Clone, Debug, PartialEq, Eq)]
 pub struct Base64 {
    pub space0: Whitespace,
--- a/packages/hurl_core/src/ast/display.rs
+++ b/packages/hurl_core/src/ast/display.rs
@ -128,6 +128,19 @@ impl fmt::Display for CookieAttribute {
    }
 }

+impl fmt::Display for LangValue {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        let s = match self {
+            LangValue::Base64 => "base64",
+            LangValue::Hex => "hex",
+            LangValue::Json => "json",
+            LangValue::Xml => "xml",
+            LangValue::GraphQl => "graphql",
+        };
+        write!(f, "{}", s)
+    }
+}
+
 impl fmt::Display for Hex {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        write!(
--- a/packages/hurl_core/src/error/mod.rs
+++ b/packages/hurl_core/src/error/mod.rs
@ -58,6 +58,7 @@ impl Error for parser::Error {
            ParseError::InvalidCookieAttribute { .. } => "Parsing cookie attribute".to_string(),
            ParseError::OddNumberOfHexDigits { .. } => "Parsing hex bytearray".to_string(),
            ParseError::UrlIllegalCharacter(_) => "Parsing URL".to_string(),
+            ParseError::Multiline => "Parsing multine".to_string(),
            _ => format!("{:?}", self),
        }
    }
@ -109,7 +110,9 @@ impl Error for parser::Error {
                "expecting an even number of hex digits".to_string()
            }
            ParseError::UrlIllegalCharacter(c) => format!("illegal character <{}>", c),
+            ParseError::Multiline => "the multiline is not valid".to_string(),
            _ => format!("{:?}", self),
+
        }
    }
 }
--- a/packages/hurl_core/src/format/html.rs
+++ b/packages/hurl_core/src/format/html.rs
@ -859,7 +859,12 @@ impl Htmlable for RawString {
        let mut buffer = "".to_string();
        buffer.push_str("<span class=\"raw\">");
        let mut s = "```".to_string();
-        s.push_str(self.newline.value.as_str());
+        if let Some(lang) = &self.lang {
+            if let Some(lang_value) = &lang.value {
+                s.push_str(format!("{}", lang_value).as_str());
+            }
+            s.push('\n');
+        }
        s.push_str(self.value.to_string().as_str());
        s.push_str("```");
        buffer.push_str(multilines(s).as_str());
@ -1073,10 +1078,7 @@ mod tests {
    fn test_raw_string() {
        // ``````
        let raw_string = RawString {
-            newline: Whitespace {
-                value: "".to_string(),
-                source_info: SourceInfo::new(0, 0, 0, 0),
-            },
+            lang: None,
            value: Template {
                quotes: false,
                elements: vec![TemplateElement::String {
@ -1093,10 +1095,7 @@ mod tests {

        // ```hello```
        let raw_string = RawString {
-            newline: Whitespace {
-                value: "".to_string(),
-                source_info: SourceInfo::new(0, 0, 0, 0),
-            },
+            lang: None,
            value: Template {
                quotes: false,
                elements: vec![TemplateElement::String {
@ -1116,10 +1115,23 @@ mod tests {
        // line2
        // ```
        let raw_string = RawString {
+            lang: Some(Lang {
+                value: None,
+                space: Whitespace {
+                    value: "".to_string(),
+                    source_info: SourceInfo {
+                        start: Pos { line: 1, column: 4 },
+                        end: Pos { line: 1, column: 4 },
+                    },
+                },
                newline: Whitespace {
                    value: "\n".to_string(),
-                source_info: SourceInfo::new(0, 0, 0, 0),
+                    source_info: SourceInfo {
+                        start: Pos { line: 1, column: 4 },
+                        end: Pos { line: 2, column: 1 },
                    },
+                },
+            }),
            value: Template {
                quotes: false,
                elements: vec![TemplateElement::String {
@ -1133,27 +1145,6 @@ mod tests {
            raw_string.to_html(),
            "<span class=\"raw\"><span class=\"line\">```</span>\n<span class=\"line\">line1</span>\n<span class=\"line\">line2</span>\n<span class=\"line\">```</span></span>".to_string()
        );
-
-        // ```Hello
-        // ```
-        let raw_string = RawString {
-            newline: Whitespace {
-                value: "".to_string(),
-                source_info: SourceInfo::new(0, 0, 0, 0),
-            },
-            value: Template {
-                quotes: false,
-                elements: vec![TemplateElement::String {
-                    value: "Hello\n".to_string(),
-                    encoded: "unused".to_string(),
-                }],
-                source_info: SourceInfo::new(0, 0, 0, 0),
-            },
-        };
-        assert_eq!(
-            raw_string.to_html(),
-            "<span class=\"raw\"><span class=\"line\">```Hello</span>\n<span class=\"line\">```</span></span>".to_string()
-        );
    }

    #[test]
--- a/packages/hurl_core/src/parser/bytes.rs
+++ b/packages/hurl_core/src/parser/bytes.rs
@ -16,6 +16,7 @@
 *
 */
 use crate::ast::*;
+use crate::parser::multiline::multiline_string;

 use super::combinators::*;
 use super::json::parse as parse_json;
@ -25,10 +26,9 @@ use super::xml;
 use super::ParseResult;

 pub fn bytes(reader: &mut Reader) -> ParseResult<'static, Bytes> {
-    //let start = p.state.clone();
    choice(
        &[
-            raw_string_bytes,
+            multiline_string_bytes,
            json_bytes,
            xml_bytes,
            base64_bytes,
@ -38,9 +38,6 @@ pub fn bytes(reader: &mut Reader) -> ParseResult<'static, Bytes> {
        reader,
    )
 }
-fn raw_string_bytes(reader: &mut Reader) -> ParseResult<'static, Bytes> {
-    raw_string(reader).map(Bytes::RawString)
-}

 fn xml_bytes(reader: &mut Reader) -> ParseResult<'static, Bytes> {
    match xml::parse(reader) {
@ -68,9 +65,12 @@ fn hex_bytes(reader: &mut Reader) -> ParseResult<'static, Bytes> {
    hex(reader).map(Bytes::Hex)
 }

+pub fn multiline_string_bytes(reader: &mut Reader) -> ParseResult<'static, Bytes> {
+    multiline_string(reader).map(Bytes::RawString)
+}
+
 #[cfg(test)]
 mod tests {
-
    use super::super::error::*;
    use super::*;

--- a/packages/hurl_core/src/parser/error.rs
+++ b/packages/hurl_core/src/parser/error.rs
@ -61,6 +61,7 @@ pub enum ParseError {
    OddNumberOfHexDigits,
    UrlIllegalCharacter(char),
    InvalidOption,
+    Multiline,
 }

 impl Error {
--- a/packages/hurl_core/src/parser/mod.rs
+++ b/packages/hurl_core/src/parser/mod.rs
@ -42,6 +42,7 @@ mod expr;
 mod filename;
 mod filter;
 mod json;
+mod multiline;
 mod parsers;
 mod predicate;
 mod predicate_value;
--- a/packages/hurl_core/src/parser/multiline.rs
+++ b/packages/hurl_core/src/parser/multiline.rs
@ -0,0 +1,537 @@
+/*
+ * Hurl (https://hurl.dev)
+ * Copyright (C) 2022 Orange
+ *
+ * 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.
+ *
+ */
+use super::combinators::*;
+use super::reader::Reader;
+use super::ParseResult;
+use crate::ast::*;
+use crate::parser::primitives::*;
+use crate::parser::{template, Error, ParseError};
+
+pub fn multiline_string(reader: &mut Reader) -> ParseResult<'static, RawString> {
+    try_literal("```", reader)?;
+    let save = reader.state.clone();
+
+    match choice(
+        &[
+            base64_lang,
+            hex_lang,
+            json_lang,
+            xml_lang,
+            graphql_lang,
+            undefined_lang,
+        ],
+        reader,
+    ) {
+        Ok(lang) => {
+            let value = multiline_string_value(reader)?;
+            Ok(RawString {
+                value,
+                lang: Some(lang),
+            })
+        }
+        Err(_) => {
+            reader.state = save;
+            let value = oneline_string_value(reader)?;
+            Ok(RawString { value, lang: None })
+        }
+    }
+}
+
+fn multiline_string_value(reader: &mut Reader) -> ParseResult<'static, Template> {
+    let mut chars = vec![];
+
+    let start = reader.state.pos.clone();
+    while !reader.remaining().starts_with("```") && !reader.is_eof() {
+        let pos = reader.state.pos.clone();
+        let c = reader.read().unwrap();
+        chars.push((c, c.to_string(), pos));
+    }
+    let end = reader.state.pos.clone();
+    literal("```", reader)?;
+
+    let encoded_string = template::EncodedString {
+        source_info: SourceInfo {
+            start: start.clone(),
+            end: end.clone(),
+        },
+        chars,
+    };
+
+    let elements = template::templatize(encoded_string)?;
+
+    Ok(Template {
+        quotes: false,
+        elements,
+        source_info: SourceInfo { start, end },
+    })
+}
+
+fn oneline_string_value(reader: &mut Reader) -> ParseResult<'static, Template> {
+    let mut chars = vec![];
+
+    let start = reader.state.pos.clone();
+    while !reader.remaining().starts_with("```") && !reader.is_eof() {
+        let pos = reader.state.pos.clone();
+        let c = reader.read().unwrap();
+        if c == '\n' {
+            return Err(Error {
+                pos: start,
+                recoverable: false,
+                inner: ParseError::Multiline,
+            });
+        }
+        chars.push((c, c.to_string(), pos));
+    }
+    let end = reader.state.pos.clone();
+    literal("```", reader)?;
+
+    let encoded_string = template::EncodedString {
+        source_info: SourceInfo {
+            start: start.clone(),
+            end: end.clone(),
+        },
+        chars,
+    };
+
+    let elements = template::templatize(encoded_string)?;
+
+    Ok(Template {
+        quotes: false,
+        elements,
+        source_info: SourceInfo { start, end },
+    })
+}
+
+fn undefined_lang(reader: &mut Reader) -> ParseResult<'static, Lang> {
+    let space = zero_or_more_spaces(reader)?;
+    let newline = newline(reader)?;
+    Ok(Lang {
+        value: None,
+        space,
+        newline,
+    })
+}
+
+fn base64_lang(reader: &mut Reader) -> ParseResult<'static, Lang> {
+    try_literal("base64", reader)?;
+    let space = zero_or_more_spaces(reader)?;
+    let newline = newline(reader)?;
+    Ok(Lang {
+        value: Some(LangValue::Base64),
+        space,
+        newline,
+    })
+}
+
+fn hex_lang(reader: &mut Reader) -> ParseResult<'static, Lang> {
+    try_literal("hex", reader)?;
+    let space = zero_or_more_spaces(reader)?;
+    let newline = newline(reader)?;
+    Ok(Lang {
+        value: Some(LangValue::Hex),
+        space,
+        newline,
+    })
+}
+
+fn json_lang(reader: &mut Reader) -> ParseResult<'static, Lang> {
+    try_literal("json", reader)?;
+    let space = zero_or_more_spaces(reader)?;
+    let newline = newline(reader)?;
+    Ok(Lang {
+        value: Some(LangValue::Json),
+        space,
+        newline,
+    })
+}
+
+fn xml_lang(reader: &mut Reader) -> ParseResult<'static, Lang> {
+    try_literal("xml", reader)?;
+    let space = zero_or_more_spaces(reader)?;
+    let newline = newline(reader)?;
+    Ok(Lang {
+        value: Some(LangValue::Xml),
+        space,
+        newline,
+    })
+}
+
+fn graphql_lang(reader: &mut Reader) -> ParseResult<'static, Lang> {
+    try_literal("graphql", reader)?;
+    let space = zero_or_more_spaces(reader)?;
+    let newline = newline(reader)?;
+    Ok(Lang {
+        value: Some(LangValue::GraphQl),
+        space,
+        newline,
+    })
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_base64_multiline_string_type() {
+        let mut reader = Reader::init("base64\nxxxx");
+        assert_eq!(
+            base64_lang(&mut reader).unwrap(),
+            Lang {
+                value: Some(LangValue::Base64),
+                space: Whitespace {
+                    value: String::from(""),
+                    source_info: SourceInfo::new(1, 7, 1, 7),
+                },
+                newline: Whitespace {
+                    value: "\n".to_string(),
+                    source_info: SourceInfo::new(1, 7, 2, 1)
+                }
+            }
+        );
+    }
+
+    #[test]
+    fn test_base64_multiline_string_type_with_padding() {
+        let mut reader = Reader::init("base64      \nxxxx");
+        assert_eq!(
+            base64_lang(&mut reader).unwrap(),
+            Lang {
+                value: Some(LangValue::Base64),
+                space: Whitespace {
+                    value: String::from("      "),
+                    source_info: SourceInfo::new(1, 7, 1, 13),
+                },
+                newline: Whitespace {
+                    value: "\n".to_string(),
+                    source_info: SourceInfo::new(1, 13, 2, 1)
+                }
+            }
+        );
+    }
+
+    #[test]
+    fn test_multiline_string_ok() {
+        let datas = [
+            (
+                "```\nline1\nline2\nline3\n```",
+                None,
+                "line1\nline2\nline3\n",
+            ),
+            (
+                "```         \nline1\nline2\nline3\n```",
+                None,
+                "line1\nline2\nline3\n",
+            ),
+            (
+                "```base64\nline1\nline2\nline3\n```",
+                Some(LangValue::Base64),
+                "line1\nline2\nline3\n",
+            ),
+            (
+                "```hex\nline1\nline2\nline3\n```",
+                Some(LangValue::Hex),
+                "line1\nline2\nline3\n",
+            ),
+            (
+                "```json\nline1\nline2\nline3\n```",
+                Some(LangValue::Json),
+                "line1\nline2\nline3\n",
+            ),
+            (
+                "```graphql\nline1\nline2\nline3\n```",
+                Some(LangValue::GraphQl),
+                "line1\nline2\nline3\n",
+            ),
+            (
+                "```graphql     \nline1\nline2\nline3\n```",
+                Some(LangValue::GraphQl),
+                "line1\nline2\nline3\n",
+            ),
+        ];
+
+        for (text, lang, value) in datas.iter() {
+            let mut reader = Reader::init(text);
+            let multiline = multiline_string(&mut reader).unwrap();
+            assert_eq!(multiline.lang.unwrap().value, *lang);
+            assert_eq!(multiline.value.elements[0].to_string(), value.to_string())
+        }
+    }
+
+    #[test]
+    fn test_multiline_string_failed() {
+        let datas = [
+            "```hexaaa\nline1\nline2\nline3\n```",
+            "```aaa\nline1\nline2\nline3\n```",
+        ];
+
+        for text in datas.iter() {
+            let mut reader = Reader::init(text);
+            assert!(multiline_string(&mut reader).is_err())
+        }
+    }
+
+    #[test]
+    fn test_multiline_string_empty() {
+        let mut reader = Reader::init("``````");
+        assert_eq!(
+            multiline_string(&mut reader).unwrap(),
+            RawString {
+                lang: None,
+                value: Template {
+                    quotes: false,
+                    elements: vec![],
+                    source_info: SourceInfo::new(1, 4, 1, 4),
+                },
+            }
+        );
+
+        let mut reader = Reader::init("```\n```");
+        assert_eq!(
+            multiline_string(&mut reader).unwrap(),
+            RawString {
+                lang: Some(Lang {
+                    value: None,
+                    space: Whitespace {
+                        value: "".to_string(),
+                        source_info: SourceInfo::new(1, 4, 1, 4)
+                    },
+                    newline: Whitespace {
+                        value: "\n".to_string(),
+                        source_info: SourceInfo::new(1, 4, 2, 1)
+                    }
+                }),
+                value: Template {
+                    quotes: false,
+                    elements: vec![],
+                    source_info: SourceInfo::new(2, 1, 2, 1),
+                },
+            }
+        );
+        let mut reader = Reader::init("```\r\n```");
+        assert_eq!(
+            multiline_string(&mut reader).unwrap(),
+            RawString {
+                lang: Some(Lang {
+                    value: None,
+                    space: Whitespace {
+                        value: "".to_string(),
+                        source_info: SourceInfo::new(1, 4, 1, 4)
+                    },
+                    newline: Whitespace {
+                        value: "\r\n".to_string(),
+                        source_info: SourceInfo::new(1, 4, 2, 1)
+                    }
+                }),
+                value: Template {
+                    quotes: false,
+                    elements: vec![],
+                    source_info: SourceInfo::new(2, 1, 2, 1),
+                },
+            }
+        );
+    }
+
+    #[test]
+    fn test_raw_string_hello() {
+        let mut reader = Reader::init("```Hello World!```");
+        assert_eq!(
+            multiline_string(&mut reader).unwrap(),
+            RawString {
+                lang: None,
+                value: Template {
+                    quotes: false,
+                    elements: vec![TemplateElement::String {
+                        value: "Hello World!".to_string(),
+                        encoded: "Hello World!".to_string(),
+                    }],
+                    source_info: SourceInfo::new(1, 4, 1, 16),
+                },
+            }
+        );
+    }
+
+    #[test]
+    fn test_raw_string_base64_prefix() {
+        let mut reader = Reader::init("```base64_inline```");
+        assert_eq!(
+            multiline_string(&mut reader).unwrap(),
+            RawString {
+                lang: None,
+                value: Template {
+                    quotes: false,
+                    elements: vec![TemplateElement::String {
+                        value: "base64_inline".to_string(),
+                        encoded: "base64_inline".to_string(),
+                    }],
+                    source_info: SourceInfo::new(1, 4, 1, 17),
+                },
+            }
+        );
+    }
+
+    #[test]
+    fn test_raw_string_csv() {
+        let mut reader = Reader::init("```\nline1\nline2\nline3\n```");
+        assert_eq!(
+            multiline_string(&mut reader).unwrap(),
+            RawString {
+                lang: Some(Lang {
+                    value: None,
+                    space: Whitespace {
+                        value: "".to_string(),
+                        source_info: SourceInfo::new(1, 4, 1, 4),
+                    },
+                    newline: Whitespace {
+                        value: "\n".to_string(),
+                        source_info: SourceInfo::new(1, 4, 2, 1),
+                    }
+                }),
+                value: Template {
+                    quotes: false,
+                    elements: vec![TemplateElement::String {
+                        value: "line1\nline2\nline3\n".to_string(),
+                        encoded: "line1\nline2\nline3\n".to_string(),
+                    }],
+                    source_info: SourceInfo::new(2, 1, 5, 1),
+                },
+            }
+        );
+    }
+
+    #[test]
+    fn test_raw_string_one_emptyline() {
+        // one newline
+        // the value takes the value of the newline??
+        let mut reader = Reader::init("```\n\n```");
+        assert_eq!(
+            multiline_string(&mut reader).unwrap(),
+            RawString {
+                lang: Some(Lang {
+                    value: None,
+                    space: Whitespace {
+                        value: "".to_string(),
+                        source_info: SourceInfo::new(1, 4, 1, 4),
+                    },
+                    newline: Whitespace {
+                        value: "\n".to_string(),
+                        source_info: SourceInfo::new(1, 4, 2, 1),
+                    }
+                }),
+                value: Template {
+                    quotes: false,
+                    elements: vec![TemplateElement::String {
+                        value: "\n".to_string(),
+                        encoded: "\n".to_string(),
+                    }],
+                    source_info: SourceInfo::new(2, 1, 3, 1),
+                },
+            }
+        );
+
+        // one cr
+        let mut reader = Reader::init("```\n\r\n````");
+        assert_eq!(
+            multiline_string(&mut reader).unwrap(),
+            RawString {
+                lang: Some(Lang {
+                    value: None,
+                    space: Whitespace {
+                        value: "".to_string(),
+                        source_info: SourceInfo::new(1, 4, 1, 4),
+                    },
+                    newline: Whitespace {
+                        value: "\n".to_string(),
+                        source_info: SourceInfo::new(1, 4, 2, 1),
+                    }
+                }),
+                value: Template {
+                    quotes: false,
+                    elements: vec![TemplateElement::String {
+                        value: "\r\n".to_string(),
+                        encoded: "\r\n".to_string(),
+                    }],
+                    source_info: SourceInfo::new(2, 1, 3, 1),
+                },
+            }
+        );
+    }
+
+    #[test]
+    fn test_raw_string_error() {
+        let mut reader = Reader::init("xxx");
+        let error = multiline_string(&mut reader).err().unwrap();
+        assert_eq!(error.pos, Pos { line: 1, column: 1 });
+        assert_eq!(
+            error.inner,
+            ParseError::Expecting {
+                value: String::from("```")
+            }
+        );
+        assert!(error.recoverable);
+
+        let mut reader = Reader::init("```\nxxx");
+        let error = multiline_string(&mut reader).err().unwrap();
+        assert_eq!(error.pos, Pos { line: 2, column: 4 });
+        assert_eq!(
+            error.inner,
+            ParseError::Expecting {
+                value: String::from("```")
+            }
+        );
+        assert!(!error.recoverable);
+
+        let mut reader = Reader::init("```xxx");
+        let error = multiline_string(&mut reader).err().unwrap();
+        assert_eq!(error.pos, Pos { line: 1, column: 7 });
+        assert_eq!(
+            error.inner,
+            ParseError::Expecting {
+                value: String::from("```")
+            }
+        );
+        assert!(!error.recoverable);
+    }
+
+    #[test]
+    fn test_raw_string_value() {
+        let mut reader = Reader::init("```");
+        assert_eq!(
+            multiline_string_value(&mut reader).unwrap(),
+            Template {
+                quotes: false,
+                elements: vec![],
+                source_info: SourceInfo::new(1, 1, 1, 1),
+            }
+        );
+        assert_eq!(reader.state.cursor, 3);
+
+        let mut reader = Reader::init("hello```");
+        assert_eq!(
+            multiline_string_value(&mut reader).unwrap(),
+            Template {
+                quotes: false,
+                elements: vec![TemplateElement::String {
+                    value: "hello".to_string(),
+                    encoded: "hello".to_string(),
+                }],
+                source_info: SourceInfo::new(1, 1, 1, 6),
+            }
+        );
+        assert_eq!(reader.state.cursor, 8);
+    }
+}
--- a/packages/hurl_core/src/parser/parsers.rs
+++ b/packages/hurl_core/src/parser/parsers.rs
@ -407,10 +407,17 @@ mod tests {
                    source_info: SourceInfo::new(2, 1, 2, 1),
                },
                value: Bytes::RawString(RawString {
-                    newline: Whitespace {
-                        value: "\n".to_string(),
-                        source_info: SourceInfo::new(2, 4, 3, 1),
+                    lang: Some(Lang {
+                        value: None,
+                        space: Whitespace {
+                            value: "".to_string(),
+                            source_info: SourceInfo::new(2, 4, 2, 4),
                        },
+                        newline: Whitespace {
+                            source_info: SourceInfo::new(2, 4, 3, 1),
+                            value: "\n".to_string(),
+                        }
+                    }),
                    value: Template {
                        elements: vec![TemplateElement::String {
                            value: String::from("Hello World!\n"),
--- a/packages/hurl_core/src/parser/predicate_value.rs
+++ b/packages/hurl_core/src/parser/predicate_value.rs
@ -24,6 +24,7 @@ use super::primitives::*;
 use super::reader::Reader;
 use super::string::*;
 use super::ParseResult;
+use crate::parser::multiline::multiline_string;
 use crate::parser::{Error, ParseError};

 pub fn predicate_value(reader: &mut Reader) -> ParseResult<'static, PredicateValue> {
@ -61,7 +62,7 @@ pub fn predicate_value(reader: &mut Reader) -> ParseResult<'static, PredicateVal
                Ok(value) => Ok(PredicateValue::String(value)),
                Err(e) => Err(e),
            },
-            |p1| match raw_string(p1) {
+            |p1| match multiline_string(p1) {
                Ok(value) => Ok(PredicateValue::Raw(value)),
                Err(e) => Err(e),
            },
--- a/packages/hurl_core/src/parser/primitives.rs
+++ b/packages/hurl_core/src/parser/primitives.rs
@ -23,7 +23,6 @@ use super::error::*;
 use super::filename;
 use super::reader::Reader;
 use super::string::*;
-use super::template;
 use super::ParseResult;

 pub fn space(reader: &mut Reader) -> ParseResult<'static, Whitespace> {
@ -502,60 +501,6 @@ pub fn float(reader: &mut Reader) -> ParseResult<'static, Float> {
    Ok(Float { value, encoded })
 }

-pub fn raw_string(reader: &mut Reader) -> ParseResult<'static, RawString> {
-    // one value without newline or multiline mode
-    // includes the last newline (consistent with bash EOL)
-    try_literal("```", reader)?;
-    let save = reader.state.clone();
-    match newline(reader) {
-        Ok(newline) => {
-            let value = raw_string_value(reader)?;
-            Ok(RawString { newline, value })
-        }
-        Err(_) => {
-            reader.state = save;
-            let newline = Whitespace {
-                value: String::from(""),
-                source_info: SourceInfo {
-                    start: reader.state.clone().pos,
-                    end: reader.state.clone().pos,
-                },
-            };
-            let value = raw_string_value(reader)?;
-            Ok(RawString { newline, value })
-        }
-    }
-}
-
-pub fn raw_string_value(reader: &mut Reader) -> ParseResult<'static, Template> {
-    let mut chars = vec![];
-
-    let start = reader.state.pos.clone();
-    while !reader.remaining().starts_with("```") && !reader.is_eof() {
-        let pos = reader.state.pos.clone();
-        let c = reader.read().unwrap();
-        chars.push((c, c.to_string(), pos));
-    }
-    let end = reader.state.pos.clone();
-    literal("```", reader)?;
-
-    let encoded_string = template::EncodedString {
-        source_info: SourceInfo {
-            start: start.clone(),
-            end: end.clone(),
-        },
-        chars,
-    };
-
-    let elements = template::templatize(encoded_string)?;
-
-    Ok(Template {
-        quotes: false,
-        elements,
-        source_info: SourceInfo { start, end },
-    })
-}
-
 pub(crate) fn file(reader: &mut Reader) -> ParseResult<'static, File> {
    let _start = reader.state.clone();
    try_literal("file", reader)?;
@ -1120,226 +1065,6 @@ mod tests {
        assert!(!error.recoverable);
    }

-    #[test]
-    fn test_raw_string_empty() {
-        let mut reader = Reader::init("``````");
-        assert_eq!(
-            raw_string(&mut reader).unwrap(),
-            RawString {
-                newline: Whitespace {
-                    value: String::from(""),
-                    source_info: SourceInfo::new(1, 4, 1, 4),
-                },
-                value: Template {
-                    quotes: false,
-                    elements: vec![],
-                    source_info: SourceInfo::new(1, 4, 1, 4),
-                },
-            }
-        );
-
-        let mut reader = Reader::init("```\n```");
-        assert_eq!(
-            raw_string(&mut reader).unwrap(),
-            RawString {
-                newline: Whitespace {
-                    value: String::from("\n"),
-                    source_info: SourceInfo::new(1, 4, 2, 1),
-                },
-                value: Template {
-                    quotes: false,
-                    elements: vec![],
-                    source_info: SourceInfo::new(2, 1, 2, 1),
-                },
-            }
-        );
-        let mut reader = Reader::init("```\r\n```");
-        assert_eq!(
-            raw_string(&mut reader).unwrap(),
-            RawString {
-                newline: Whitespace {
-                    value: String::from("\r\n"),
-                    source_info: SourceInfo::new(1, 4, 2, 1),
-                },
-                value: Template {
-                    quotes: false,
-                    elements: vec![],
-                    source_info: SourceInfo::new(2, 1, 2, 1),
-                },
-            }
-        );
-    }
-
-    #[test]
-    fn test_raw_string_hello() {
-        let mut reader = Reader::init("```Hello World!```");
-        assert_eq!(
-            raw_string(&mut reader).unwrap(),
-            RawString {
-                newline: Whitespace {
-                    value: String::from(""),
-                    source_info: SourceInfo::new(1, 4, 1, 4),
-                },
-                value: Template {
-                    quotes: false,
-                    elements: vec![TemplateElement::String {
-                        value: "Hello World!".to_string(),
-                        encoded: "Hello World!".to_string(),
-                    }],
-                    source_info: SourceInfo::new(1, 4, 1, 16),
-                },
-            }
-        );
-        let mut reader = Reader::init("```Hello\nWorld!\n```");
-        assert_eq!(
-            raw_string(&mut reader).unwrap(),
-            RawString {
-                newline: Whitespace {
-                    value: String::from(""),
-                    source_info: SourceInfo::new(1, 4, 1, 4),
-                },
-                value: Template {
-                    quotes: false,
-                    elements: vec![TemplateElement::String {
-                        value: "Hello\nWorld!\n".to_string(),
-                        encoded: "Hello\nWorld!\n".to_string(),
-                    }],
-                    source_info: SourceInfo::new(1, 4, 3, 1),
-                },
-            }
-        );
-    }
-
-    #[test]
-    fn test_raw_string_csv() {
-        let mut reader = Reader::init("```\nline1\nline2\nline3\n```");
-        assert_eq!(
-            raw_string(&mut reader).unwrap(),
-            RawString {
-                newline: Whitespace {
-                    value: String::from("\n"),
-                    source_info: SourceInfo::new(1, 4, 2, 1),
-                },
-                value: Template {
-                    quotes: false,
-                    elements: vec![TemplateElement::String {
-                        value: "line1\nline2\nline3\n".to_string(),
-                        encoded: "line1\nline2\nline3\n".to_string(),
-                    }],
-                    source_info: SourceInfo::new(2, 1, 5, 1),
-                },
-            }
-        );
-    }
-
-    #[test]
-    fn test_raw_string_one_emptyline() {
-        // one newline
-        // the value takes the value of the newline??
-        let mut reader = Reader::init("```\n\n```");
-        assert_eq!(
-            raw_string(&mut reader).unwrap(),
-            RawString {
-                newline: Whitespace {
-                    value: String::from("\n"),
-                    source_info: SourceInfo::new(1, 4, 2, 1),
-                },
-                value: Template {
-                    quotes: false,
-                    elements: vec![TemplateElement::String {
-                        value: "\n".to_string(),
-                        encoded: "\n".to_string(),
-                    }],
-                    source_info: SourceInfo::new(2, 1, 3, 1),
-                },
-            }
-        );
-
-        // one cr
-        let mut reader = Reader::init("```\n\r\n````");
-        assert_eq!(
-            raw_string(&mut reader).unwrap(),
-            RawString {
-                newline: Whitespace {
-                    value: String::from("\n"),
-                    source_info: SourceInfo::new(1, 4, 2, 1),
-                },
-                value: Template {
-                    quotes: false,
-                    elements: vec![TemplateElement::String {
-                        value: "\r\n".to_string(),
-                        encoded: "\r\n".to_string(),
-                    }],
-                    source_info: SourceInfo::new(2, 1, 3, 1),
-                },
-            }
-        );
-    }
-
-    #[test]
-    fn test_raw_string_error() {
-        let mut reader = Reader::init("xxx");
-        let error = raw_string(&mut reader).err().unwrap();
-        assert_eq!(error.pos, Pos { line: 1, column: 1 });
-        assert_eq!(
-            error.inner,
-            ParseError::Expecting {
-                value: String::from("```")
-            }
-        );
-        assert!(error.recoverable);
-
-        let mut reader = Reader::init("```\nxxx");
-        let error = raw_string(&mut reader).err().unwrap();
-        assert_eq!(error.pos, Pos { line: 2, column: 4 });
-        assert_eq!(
-            error.inner,
-            ParseError::Expecting {
-                value: String::from("```")
-            }
-        );
-        assert!(!error.recoverable);
-
-        let mut reader = Reader::init("```xxx");
-        let error = raw_string(&mut reader).err().unwrap();
-        assert_eq!(error.pos, Pos { line: 1, column: 7 });
-        assert_eq!(
-            error.inner,
-            ParseError::Expecting {
-                value: String::from("```")
-            }
-        );
-        assert!(!error.recoverable);
-    }
-
-    #[test]
-    fn test_raw_string_value() {
-        let mut reader = Reader::init("```");
-        assert_eq!(
-            raw_string_value(&mut reader).unwrap(),
-            Template {
-                quotes: false,
-                elements: vec![],
-                source_info: SourceInfo::new(1, 1, 1, 1),
-            }
-        );
-        assert_eq!(reader.state.cursor, 3);
-
-        let mut reader = Reader::init("hello```");
-        assert_eq!(
-            raw_string_value(&mut reader).unwrap(),
-            Template {
-                quotes: false,
-                elements: vec![TemplateElement::String {
-                    value: "hello".to_string(),
-                    encoded: "hello".to_string(),
-                }],
-                source_info: SourceInfo::new(1, 1, 1, 6),
-            }
-        );
-        assert_eq!(reader.state.cursor, 8);
-    }
-
    #[test]
    fn test_hex_digit() {
        let mut reader = Reader::init("0");
--- a/packages/hurlfmt/src/format/json.rs
+++ b/packages/hurlfmt/src/format/json.rs
@ -141,10 +141,20 @@ impl ToJson for Bytes {
                ("type".to_string(), JValue::String("xml".to_string())),
                ("value".to_string(), JValue::String(value.clone())),
            ]),
-            Bytes::RawString(value) => JValue::Object(vec![
-                ("type".to_string(), JValue::String("raw-string".to_string())),
+            Bytes::RawString(value) => {
+                let lang = match &value.lang {
+                    // TODO: change raw-string for undefined
+                    None | Some(Lang { value: None, .. }) => "raw-string".to_string(),
+                    Some(Lang {
+                        value: Some(lang_value),
+                        ..
+                    }) => lang_value.to_string(),
+                };
+                JValue::Object(vec![
+                    ("type".to_string(), JValue::String(lang)),
                    ("value".to_string(), JValue::String(value.value.to_string())),
-            ]),
+                ])
+            }
        }
    }
 }
--- a/packages/hurlfmt/src/format/text.rs
+++ b/packages/hurlfmt/src/format/text.rs
@ -121,5 +121,6 @@ pub fn format_token(token: Token, color: bool) -> String {
                value
            }
        }
+        Token::Lang(value) => value,
    }
 }
--- a/packages/hurlfmt/src/format/token.rs
+++ b/packages/hurlfmt/src/format/token.rs
@ -41,6 +41,7 @@ pub enum Token {
    String(String),
    CodeDelimiter(String),
    CodeVariable(String),
+    Lang(String),
 }

 pub trait Tokenizable {
@ -605,16 +606,35 @@ impl Tokenizable for PredicateValue {

 impl Tokenizable for RawString {
    fn tokenize(&self) -> Vec<Token> {
-        let mut tokens: Vec<Token> = vec![
-            Token::Keyword("```".to_string()),
-            Token::Whitespace(self.newline.value.clone()),
-        ];
+        let mut tokens: Vec<Token> = vec![Token::Keyword("```".to_string())];
+        if let Some(kind) = &self.lang {
+            tokens.append(&mut kind.tokenize())
+        }
        tokens.append(&mut self.value.tokenize());
        tokens.push(Token::Keyword("```".to_string()));
        tokens
    }
 }

+impl Tokenizable for Lang {
+    fn tokenize(&self) -> Vec<Token> {
+        let mut tokens: Vec<Token> = vec![];
+        if let Some(value) = &self.value {
+            tokens.append(&mut value.tokenize());
+        }
+        tokens.append(&mut self.space.tokenize());
+        tokens.append(&mut self.newline.tokenize());
+        tokens
+    }
+}
+
+impl Tokenizable for LangValue {
+    fn tokenize(&self) -> Vec<Token> {
+        let token = Token::Lang(self.to_string());
+        vec![token]
+    }
+}
+
 impl Tokenizable for EncodedString {
    fn tokenize(&self) -> Vec<Token> {
        let mut tokens: Vec<Token> = vec![];
--- a/packages/hurlfmt/src/linter/rules.rs
+++ b/packages/hurlfmt/src/linter/rules.rs
@ -520,7 +520,7 @@ impl Lintable<RawString> for RawString {

    fn lint(&self) -> RawString {
        RawString {
-            newline: self.newline.clone(),
+            lang: None,
            value: self.value.lint(),
        }
    }