From c026aeee92987ce308956243efc4ccfc7336f7df Mon Sep 17 00:00:00 2001
From: jakcron <jkrcarr@gmail.com>
Date: Mon, 20 Aug 2018 19:25:10 +0800
Subject: [PATCH] [fnd] Add SImpleTextOutput::stringToArray()

---
 lib/libfnd/include/fnd/SimpleTextOutput.h |  3 +++
 lib/libfnd/source/SimpleTextOutput.cpp    | 27 +++++++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/lib/libfnd/include/fnd/SimpleTextOutput.h b/lib/libfnd/include/fnd/SimpleTextOutput.h
index ef0516f..15c3c8e 100644
--- a/lib/libfnd/include/fnd/SimpleTextOutput.h
+++ b/lib/libfnd/include/fnd/SimpleTextOutput.h
@@ -1,6 +1,7 @@
 #pragma once
 #include <string>
 #include <fnd/types.h>
+#include <fnd/Vec.h>
 
 namespace fnd
 {
@@ -12,6 +13,8 @@ namespace fnd
 		static void hexDump(const byte_t* data, size_t len, size_t row_len, size_t indent_len);
 		static void hexDump(const byte_t* data, size_t len);
 		static std::string arrayToString(const byte_t* data, size_t len, bool upper_case, const std::string& separator);
+		static void stringToArray(const std::string& str, fnd::Vec<byte_t>& array);
+
 	private:
 		static const size_t kDefaultRowLen = 0x10;
 		static const size_t kDefaultByteGroupingSize = 1;
diff --git a/lib/libfnd/source/SimpleTextOutput.cpp b/lib/libfnd/source/SimpleTextOutput.cpp
index c7f1582..1ee71ce 100644
--- a/lib/libfnd/source/SimpleTextOutput.cpp
+++ b/lib/libfnd/source/SimpleTextOutput.cpp
@@ -87,4 +87,31 @@ std::string fnd::SimpleTextOutput::arrayToString(const byte_t* data, size_t len,
 			ss << separator;
 	}
 	return ss.str();
+}
+
+inline byte_t charToByte(char chr)
+{
+	if (chr >= 'a' && chr <= 'f')
+		return (chr - 'a') + 0xa;
+	else if (chr >= 'A' && chr <= 'F')
+		return (chr - 'A') + 0xa; 
+	else if (chr >= '0' && chr <= '9')
+		return chr - '0';
+	return 0;
+}
+
+void fnd::SimpleTextOutput::stringToArray(const std::string& str, fnd::Vec<byte_t>& array)
+{
+	size_t size = str.size();
+	if ((size % 2))
+	{
+		return;
+	}
+
+	array.alloc(size/2);
+
+	for (size_t i = 0; i < array.size(); i++)
+	{
+		array[i] = (charToByte(str[i * 2]) << 4) | charToByte(str[(i * 2) + 1]);
+	}
 }
\ No newline at end of file