feat: add support for anlysis content by content

unit-picker/src/main/kotlin/org/unimesh/eval/picker/bs/EstimateAnalyser.kt

@@ -1,6 +1,52 @@
 package org.unimesh.eval.picker.bs
 
-import chapi.domain.core.CodeDataStruct
+import org.archguard.scanner.analyser.count.FileJob
+import org.archguard.scanner.analyser.count.LanguageSummary
+import org.archguard.scanner.analyser.count.LanguageWorker
+import java.nio.file.Path
 
-class EstimateAnalyser(val data: List<CodeDataStruct>) {
+class EstimateAnalyser() {
+    companion object {
+        private var instance: EstimateAnalyser? = null
+        fun getInstance(): EstimateAnalyser {
+            if (instance == null) {
+                instance = EstimateAnalyser()
+            }
+
+            return instance!!
+        }
+    }
+
+    private var languageWorker = LanguageWorker()
+
+    fun analysisByPath(path: Path): LanguageSummary? {
+        val file = path.toFile()
+        val content = file.readText()
+
+        return analysisByContent(content, file.name)
+    }
+
+    fun analysisByContent(content: String, filename: String): LanguageSummary? {
+        val fileContent = content.toByteArray()
+        val fileJob = FileJob(
+            language = "Go",
+            content = fileContent,
+            filename = filename,
+            bytes = fileContent.size.toLong(),
+        )
+
+
+        val countStats = languageWorker.countStats(fileJob) ?: return null
+
+        return LanguageSummary(
+            name = countStats.language,
+            lines = countStats.lines,
+            code = countStats.code,
+            blank = countStats.blank,
+            comment = countStats.comment,
+            complexity = countStats.complexity,
+            weightedComplexity = countStats.weightedComplexity,
+            bytes = countStats.bytes,
+        )
+    }
 }

unit-picker/src/test/kotlin/org/unimesh/eval/picker/bs/EstimateAnalyserTest.kt

@@ -0,0 +1,28 @@
+package org.unimesh.eval.picker.bs;
+
+import org.junit.jupiter.api.Assertions.assertNull
+import org.junit.jupiter.api.Test
+import java.io.File
+import kotlin.test.assertEquals
+
+class EstimateAnalyserTest {
+
+    @Test
+    fun should_return_null_when_analysis_by_content_with_empty_content() {
+        // given
+        val content = """type BSDataStruct struct {
+	core_domain.CodeDataStruct
+
+	Functions    []BSFunction
+	DataStructBS ClassBadSmellInfo
+}"""
+        val file = File("sample.txt").canonicalPath
+
+        // when
+        val summary = EstimateAnalyser.getInstance().analysisByContent(content, file)!!
+
+        // then
+        println(summary)
+        assertEquals("Go", summary.name)
+    }
+}