Handle array values

Author: jvon1904

.vscode/settings.json

@@ -0,0 +1,3 @@
+{
+  "C_Cpp.errorSquiggles": "disabled"
+}

Makefile

@@ -1,5 +1,5 @@
 build:
-	clang main.c -o bin/jdif
+	clang main.c utils.c json.c -o bin/jdif
 
 binary: build
 	sudo cp bin/jdif /usr/local/bin

README.md

@@ -6,7 +6,7 @@ Convert LDIF (LDAP Data Interchange Format) to JSON.
 
 To compile run `make`.
 
-To test and example run `make example`.
+To test an example run `make example`.
 
 ## Usage
 

json.c

@@ -0,0 +1,115 @@
+#include "utils.h"
+#include "json.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+void formatLineAsJson(Line *lin) {
+  // Return early if already formatted
+  if (lin->vlen > 0) return;
+
+  // Initialize key and val strings
+  String key;
+  String val;
+  initString(&key);
+  initString(&val);
+
+  // Set flags
+  int k = 1; // parsing key, initialize as true
+  int colon = 0; // colon encountered
+
+  // Iterate over each char of the line text
+  for (int i = 0; i < lin->len; i++) {
+    char c = lin->text[i];
+    if (k) {
+      // Handle colons
+      if (c == COLN) {
+        // First colon
+        if (!colon) {
+          colon = 1;
+
+          // double colon means base64 (::)
+          if (i + 1 < lin->len && lin->text[i + 1] == COLN) {
+            i++;
+          }
+
+          // optional space after colon(s)
+          if (i + 1 < lin->len && lin->text[i + 1] == SP) {
+            i++;
+          }
+
+          k = 0; // switch to value
+        } else {
+          appendString(&key, c); // stray colon inside key (unlikely)
+        }
+      } else {
+        appendString(&key, c);
+      }
+    } else {
+      appendString(&val, c);
+    }
+  }
+
+  // Assign key and value to line
+  assignKey(lin, &key);
+  appendVal(lin, &val);
+
+  // Cleanup temporary strings
+  freeString(&key);
+  freeString(&val);
+}
+
+void printJSON(Document *doc) {
+  // Output JSON array start
+  printf("[\n");
+
+  // Iterate over each entry in document
+  for (int i = 0; i < doc->elen; i++) {
+    printf(IDNT2);
+    printf("{\n");
+
+    // Iterate over each line in entry
+    for (int j = 0; j < doc->entries[i]->len; j++) {
+      char *closing;
+      if (j == doc->entries[i]->len - 1) {
+        closing = "\n";
+      } else {
+        closing = ",\n";
+      }
+      printf(IDNT4);
+      printf("\"%s\": ", doc->entries[i]->lines[j]->key->text);
+
+      // Check if line has multiple values
+      if (doc->entries[i]->lines[j]->vlen > 1) {
+        printf("[\n");
+        // Iterate over each value in line
+        for (int k = 0; k < doc->entries[i]->lines[j]->vlen; k++) {
+          char *closing;
+          if (k == doc->entries[i]->lines[j]->vlen - 1) {
+            closing = "\n";
+          } else {
+            closing = ",\n";
+          }
+          printf(IDNT6);
+          printf("\"%s\"%s", doc->entries[i]->lines[j]->vals[k]->text, closing);
+        }
+        printf(IDNT4);
+        printf("]\n");
+      } else {
+        printf("\"%s\"%s", doc->entries[i]->lines[j]->vals[0]->text, closing);
+      }
+    }
+
+    char *closing;
+    if (i == doc->elen - 1) {
+      closing = "}\n";
+    } else {
+      closing = "},\n";
+    }
+
+    printf(IDNT2);
+    printf("%s", closing);
+  }
+  printf("]\n");
+}

json.h

@@ -0,0 +1,9 @@
+#ifndef JSON_H
+#define JSON_H
+
+void formatLineAsJson(Line *lin);
+
+void printJSON(Document *doc);
+
+#endif
+