Add Support for JSON Format

src/lib/c/factories.c

@@ -83,6 +83,9 @@ SourceFormatDetection detectSourceFormat(const RcnSourceFile* file) {
         || strcmp(extension, "markdown") == 0) {
         detection.isSupportedFormat = true;
         detection.format = RCN_TEXT_MARKDOWN;
+    } else if (strcmp(extension, "json") == 0) {
+        detection.isSupportedFormat = true;
+        detection.format = RCN_TEXT_JSON;
     } else if (strcmp(extension, "txt") == 0) {
         detection.isSupportedFormat = true;
         detection.format = RCN_TEXT_UNFORMATTED;

src/lib/include/reckon/reckon.h

@@ -100,7 +100,7 @@ extern "C" {
  * The total number of supported text formats, including
  * supported programming languages.
  */
-#define RECKON_NUM_SUPPORTED_FORMATS 4
+#define RECKON_NUM_SUPPORTED_FORMATS 5
 
 /**
  * Macro to create a format option bitmask.
@@ -145,15 +145,20 @@ typedef enum RcnTextFormat {
      */
     RCN_TEXT_MARKDOWN = 1,
 
+    /**
+     * Text formatted in JSON, as found in files with a '.json' extension.
+     */
+    RCN_TEXT_JSON = 2,
+
     /**
      * Source files for the C programming language.
      */
-    RCN_LANG_C = 2,
+    RCN_LANG_C = 3,
 
     /**
      * Source files for the Java programming language.
      */
-    RCN_LANG_JAVA = 3
+    RCN_LANG_JAVA = 4
 
 } RcnTextFormat;
 
@@ -691,6 +696,11 @@ typedef enum RcnFormatOption {
      */
     RCN_OPT_TEXT_MARKDOWN = RECKON_MK_FRMT_OPT(RCN_TEXT_MARKDOWN),
 
+    /**
+     * Option to select statistics for JSON text files.
+     */
+    RCN_OPT_TEXT_JSON = RECKON_MK_FRMT_OPT(RCN_TEXT_JSON),
+
     /**
      * Option to select statistics for source code files written in
      * the C programming language.

src/lib/tests/unit/c/test_statistics.c

@@ -244,6 +244,31 @@ void testCountResultGroupLogicalLineCheckField(void) {
     rcnFreeCountStatistics(stats);
 }
 
+void testCountResultsJson(void) {
+    char* path = RECKON_TEST_PATH_RES_BASE "/misc/sample.json";
+    RcnCountStatistics* stats = rcnCreateCountStatistics(path);
+    RcnStatOptions options = {
+        .formats = RCN_OPT_TEXT_JSON
+    };
+
+    rcnCount(stats, options);
+
+    TEST_ASSERT_EQUAL_INT(1, stats->count.size);
+    RcnSourceFile* file = &stats->count.files[0];
+    RcnCountResultGroup* result = &stats->count.results[0];
+    TEST_ASSERT_TRUE(result->state.ok);
+    TEST_ASSERT_EQUAL_INT(RCN_ERR_NONE, result->state.errorCode);
+    TEST_ASSERT_NULL(result->state.errorMessage);
+    TEST_ASSERT_EQUAL_STRING("sample.json", file->name);
+    TEST_ASSERT_TRUE(result->isProcessed);
+    TEST_ASSERT_EQUAL_INT(0, result->logicalLines);
+    TEST_ASSERT_EQUAL_INT(37, result->physicalLines);
+    TEST_ASSERT_EQUAL_INT(59, result->words);
+    TEST_ASSERT_EQUAL_INT(561, result->characters);
+    TEST_ASSERT_EQUAL_INT(561, result->sourceSize);
+    rcnFreeCountStatistics(stats);
+}
+
 // NOLINTEND(readability-magic-numbers)
 
 int main(void) {
@@ -255,5 +280,6 @@ int main(void) {
     RUN_TEST(testCountWhenFileHasUnsupportedFormat);
     RUN_TEST(testCountWithMultipleFilesWhenOneFileHasError);
     RUN_TEST(testCountResultGroupLogicalLineCheckField);
+    RUN_TEST(testCountResultsJson);
     return UNITY_END();
 }

src/scount/c/print.c

@@ -480,6 +480,9 @@ static void prSummaryRows(
             case RCN_TEXT_MARKDOWN:
                 label = "Markdown";
                 break;
+            case RCN_TEXT_JSON:
+                label = "JSON";
+                break;
             case RCN_LANG_C:
                 label = "C";
                 hasLogicalLines = true;