From ac95206250ac27740a9b91fdde8d6afe682bdb57 Mon Sep 17 00:00:00 2001
From: Aaron Katz <v-aakatz@microsoft.com>
Date: Fri, 20 Mar 2015 10:07:06 -0700
Subject: [PATCH] code for cpinfo

---
 src/CMakeLists.txt           |  3 ++-
 src/impl/getcpinfo.cpp       | 27 ++++++++++++++++++++++++
 src/impl/getcpinfo.h         | 22 ++++++++++++++++++++
 src/tests/test-getcpinfo.cpp | 40 ++++++++++++++++++++++++++++++++++++
 4 files changed, 91 insertions(+), 1 deletion(-)
 create mode 100644 src/impl/getcpinfo.cpp
 create mode 100644 src/impl/getcpinfo.h
 create mode 100644 src/tests/test-getcpinfo.cpp

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 4355f98d04..018b963fcd 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -6,7 +6,8 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
 #include gtest
 include_directories(../ext-src/gtest/fused-src impl)
 
-set(SOURCE_FILES main.cpp tests/test-getcurrentprocessid.cpp impl/getcurrentprocessorid.cpp ../ext-src/gtest/fused-src/gtest/gtest-all.cc)
+set(SOURCE_FILES main.cpp tests/test-getcurrentprocessid.cpp impl/getcurrentprocessorid.cpp tests/test-getcpinfo.cpp impl/getcpinfo.cpp
+../ext-src/gtest/fused-src/gtest/gtest-all.cc)
 add_executable(monad_native ${SOURCE_FILES})
 
 # add pthread
diff --git a/src/impl/getcpinfo.cpp b/src/impl/getcpinfo.cpp
new file mode 100644
index 0000000000..1392f79709
--- /dev/null
+++ b/src/impl/getcpinfo.cpp
@@ -0,0 +1,27 @@
+#include "getcpinfo.h"
+#include <unistd.h>
+
+bool GetCPInfo(unsigned int codepage, LPCPINFO cpinfo)
+{
+  switch(codepage)
+  {
+    case 65000:
+      	 cpinfo->DefaultChar[0]= '?';
+	 cpinfo->DefaultChar[1]= '0';
+	 cpinfo->LeadByte[0] = cpinfo->LeadByte[1] = '0';
+	 cpinfo->MaxCharSize =  5;
+	 return true;
+      break;
+    case 65001:
+      	 cpinfo->DefaultChar[0]= '?';
+	 cpinfo->DefaultChar[1]= '0';
+	 cpinfo->LeadByte[0] = cpinfo->LeadByte[1] = '0';
+	 cpinfo->MaxCharSize =  4;
+      return true;
+      break;
+    default:
+      return false;
+  }
+
+}
+
diff --git a/src/impl/getcpinfo.h b/src/impl/getcpinfo.h
new file mode 100644
index 0000000000..2e11196bde
--- /dev/null
+++ b/src/impl/getcpinfo.h
@@ -0,0 +1,22 @@
+#pragma once
+
+#include "pal.h"
+
+PAL_BEGIN_EXTERNC
+
+
+ const int MAX_DEFAULTCHAR =   2;
+
+ const int MAX_LEADBYTES   =  12;
+
+
+typedef struct _cpinfo {
+    unsigned int MaxCharSize;
+    char DefaultChar[MAX_DEFAULTCHAR];
+    char LeadByte[MAX_LEADBYTES];
+} CPINFO, *LPCPINFO;
+
+
+bool GetCPInfo(unsigned int codepage, LPCPINFO cpinfo);
+
+PAL_END_EXTERNC
diff --git a/src/tests/test-getcpinfo.cpp b/src/tests/test-getcpinfo.cpp
new file mode 100644
index 0000000000..2a23121ecc
--- /dev/null
+++ b/src/tests/test-getcpinfo.cpp
@@ -0,0 +1,40 @@
+#include <gtest/gtest.h>
+#include "getcpinfo.h"
+
+// This is a very simple test case to show how tests can be written
+TEST(GetCPInfo,utf8)
+{
+  
+	LPCPINFO cpinfo = new CPINFO();
+	bool utf8 = GetCPInfo(65001, cpinfo);
+	
+
+	// first make sure that on this platform those types are of the same size
+	ASSERT_TRUE(utf8 == 1);
+	
+	// now compare the actual values
+	ASSERT_EQ(cpinfo->DefaultChar[0],'?');
+	ASSERT_EQ(cpinfo->DefaultChar[1],'0');
+	ASSERT_EQ(cpinfo->LeadByte[0] ,'0');
+	ASSERT_EQ(cpinfo->LeadByte[1] ,'0');
+	ASSERT_EQ(cpinfo->MaxCharSize ,4);
+	
+}
+
+
+TEST(GetCPInfo,utf7)
+{
+	LPCPINFO cpinfo = new CPINFO();
+	bool utf7 = GetCPInfo(65000, cpinfo);
+	
+
+	// first make sure that on this platform those types are of the same size
+	ASSERT_TRUE(utf7 == 1);
+	
+	// now compare the actual values
+	ASSERT_EQ(cpinfo->DefaultChar[0],'?');
+	ASSERT_EQ(cpinfo->DefaultChar[1],'0');
+	ASSERT_EQ(cpinfo->LeadByte[0] ,'0');
+	ASSERT_EQ(cpinfo->LeadByte[1] ,'0');
+	ASSERT_EQ(cpinfo->MaxCharSize ,5);
+}
\ No newline at end of file