Rendering

build.gradle

@@ -19,6 +19,7 @@ repositories {
 
 dependencies {
 	implementation 'org.jetbrains.kotlin:kotlin-stdlib'
+	implementation "org.jetbrains.kotlin:kotlin-reflect:$kotlinVersion"
 	implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.7'
 	implementation "com.xenomachina:kotlin-argparser:$kotlin_argparser_version"
 	implementation "org.jetbrains.exposed:exposed-core:$kotlin_exposed_version"
@@ -26,5 +27,7 @@ dependencies {
 	implementation "org.jetbrains.exposed:exposed-jdbc:$kotlin_exposed_version"
 	implementation "org.xerial:sqlite-jdbc:3.30.1"
     implementation 'com.google.code.gson:gson:2.8.6'
+    implementation 'org.python:jython-standalone:2.7.2'
+    implementation 'org.pygments:pygments:2.5.2'
 	testImplementation 'junit:junit:4.12'
 }

gradle.properties

@@ -1,3 +1,3 @@
-kotlinVersion=1.3.71
+kotlinVersion=1.4.0
 kotlin_argparser_version=2.0.7
 kotlin_exposed_version=0.25.1

src/main/kotlin/me/msoucy/gbat/Main.kt

@@ -115,9 +115,7 @@ fun main(args: Array<String>) = mainBody {
             }
             return hasInterest
         }
-
-        fun GitRepo.interestingNames() = ls().split("\n").filter { it.isInteresting() }
-        val fnames = repo.interestingNames()
+        val fnames = repo.ls().split("\n").filter { it.isInteresting() }
 
         if (fnames.isEmpty()) {
             System.err.println("No interesting files found, exiting.")

src/main/kotlin/me/msoucy/gbat/Renderer.kt

@@ -1,40 +1,36 @@
 package me.msoucy.gbat
 
-import java.io.File
-
-import me.msoucy.gbat.models.ProjectTreeNode
-import me.msoucy.gbat.models.ProjectTreeResult
-import me.msoucy.gbat.models.Statistics
-import me.msoucy.gbat.models.SummaryModel
-
 import com.google.gson.GsonBuilder
+import java.io.File
+import me.msoucy.gbat.models.SummaryModel
 import org.jetbrains.exposed.sql.*
 import org.jetbrains.exposed.sql.transactions.transaction
+import org.python.util.PythonInterpreter
 
 val NUM_RISKIEST_AUTHORS = 10
 val NUM_RISKIEST_FILES = 10
 
 class SummaryRenderer(
-    val summaryModel : SummaryModel,
-    val outputDir : File
+    val summaryModel: SummaryModel,
+    val outputDir: File
 ) {
     private val filesDir = File(outputDir, "files")
     private val gson = GsonBuilder().setPrettyPrinting().create()
 
-    fun renderAll(projectRoot : File) {
+    fun renderAll(projectRoot: File) {
         createFilesDir()
         renderSummaryJson(projectRoot)
         renderFileJson(projectRoot)
-        // renderSrc(projectRoot)
+        renderSrc(projectRoot)
     }
 
-    private fun renderSummaryJson(projectRoot : File) {
+    private fun renderSummaryJson(projectRoot: File) {
         val summary = summaryModel.projectSummary(projectRoot.absolutePath)
         val json = gson.toJson(summary)
         File(filesDir, "summary.json").writeText(json)
     }
 
-    private fun renderFileJson(projectRoot : File) {
+    private fun renderFileJson(projectRoot: File) {
         summaryModel.projectFiles(projectRoot.absolutePath).forEach {
             val json = gson.toJson(summaryModel.fileSummary(it.fileId))
             File(filesDir, "${it.fileId}.json").writeText(json)
@@ -42,12 +38,38 @@ class SummaryRenderer(
     }
 
     private fun createFilesDir() = filesDir.mkdirs()
+
+    private fun renderSrc(projectRoot: File) {
+        val interpreter = PythonInterpreter()
+        val cssFile = File(filesDir, "pygments.css")
+        interpreter.exec("""
+from pygments.formatters import HtmlFormatter
+formatter = HtmlFormatter(linenos=True, lineanchors='gbab')
+formatCss = formatter.get_style_defs()
+""")
+        cssFile.writeText(interpreter.get("formatCss", String::class.java))
+
+        summaryModel.projectFiles(projectRoot.absolutePath).forEach {
+            val resultFile = File(filesDir, "${it.fileId}.html")
+            val lines = summaryModel.fileLines(it.fileId)
+            val body = lines.joinToString("\n")
+            interpreter["fname"] = it.fname.toString()
+            interpreter["body"] = body
+            interpreter.exec("""
+from pygments import highlight
+from pygments.lexers import guess_lexer_for_filename
+lexer = guess_lexer_for_filename(fname, body)
+html = highlight(body, lexer, formatter)
+""")
+            resultFile.writeText("""<link rel=stylesheet type="text/css" href="pygments.css">""" + interpreter.get("html", String::class.java))
+        }
+    }
 }
 
 fun renderSummary(
-    projectRoot : File,
-    summaryModel : SummaryModel,
-    outputDir : File
+    projectRoot: File,
+    summaryModel: SummaryModel,
+    outputDir: File
 ) {
     transaction(summaryModel.db) {
         val renderer = SummaryRenderer(summaryModel, outputDir)

src/main/kotlin/me/msoucy/gbat/Repo.kt

@@ -14,6 +14,7 @@ class GitRepo(val projectRoot: File, val git_exe: String) {
             "--name-only",
             "-r",
             "HEAD",
+            "--",
             projectRoot.absolutePath
         )
         val (out, _) = cmd.runCommand(projectRoot)
@@ -40,6 +41,7 @@ class GitRepo(val projectRoot: File, val git_exe: String) {
             "--follow", // Follow history through renames
             "--patience", // Use the patience diff algorithm
             "-p", // Show patches
+            "--",
             fname.absolutePath
         )
         val (out, err) = cmd.runCommand(projectRoot)