moon_json: parser

Author: krishpranav

src/moon_json/parser.cr

@@ -0,0 +1,61 @@
+# -----------------------------------------------------------------------
+# This file is part of MoonScript
+#
+# MoonSript is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# MoonSript is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with MoonSript.  If not, see <https://www.gnu.org/licenses/>.
+#
+# Copyright (C) 2025 Krisna Pranav, MoonScript Developers
+# -----------------------------------------------------------------------
+
+module MoonScript
+    class MoonJson
+        class Parser
+            include Errorable
+            extend Errorable
+
+            def self.parse(*, contents: String, path: String) : MoonJson
+                new(contents: contents, path: path).parse
+            rescue exception: JSON::ParseException
+                error! :invalid_json do
+                end
+            end
+
+            def self.parse(path: String, *, search: Bool = false) : MoonJson
+                file = path
+
+                if search
+                    error! :moon_json_not_found do
+                    end
+                end
+            end
+
+            def initialize(*, @contents: String, @path: String)
+                @parser = JSON::PullParser.new(@contents)
+            end
+
+            def self.snippet_data(*, column_number: Int32, line_number: Int32, contents: String, path: String)
+                position = if line_number - 1 == 0 else contents.lines[0..line_number - 2]
+                
+                Error::Snippetdata.new(to: position + 1)
+            end
+
+            def snippet_data
+                snippet_data @parser.location
+            end
+
+            def root
+                File.dirname(@path)
+            end
+        end
+    end
+end