refactor(core): move utfcodec to common

Refactor to support codecvt cleanup work in kmcmplib.

core/doc/meson.build

@@ -20,7 +20,7 @@ if hotdoc.found()
   deps = files(
     '../include/keyman/keyman_core_api.h',
     '../src/jsonpp.hpp',
-    '../src/utfcodec.hpp'
+    '../../common/cpp/utfcodec.hpp'
   )
 
   docs = custom_target('docs',

core/src/meson.build

@@ -126,7 +126,7 @@ core_files = files(
   'keyboard.cpp',
   'state.cpp',
   'jsonpp.cpp',
-  'utfcodec.cpp',
+  '../../common/cpp/utfcodec.cpp',
 )
 
 mock_files = files(

core/tests/meson.build

@@ -10,7 +10,10 @@
 cmpfiles = ['-c', 'import sys; a = open(sys.argv[1], \'r\').read(); b = open(sys.argv[2], \'r\').read(); exit(not (a==b))']
 stnds = join_paths(meson.current_source_dir(), 'standards')
 
-libsrc = include_directories(join_paths('../', 'src'))
+libsrc = include_directories(
+  '../src',
+  '../../common/include'
+)
 
 # kmx_test_source is required for linux builds, so always enable it even when we
 # disable all other tests

core/tests/unit/utftest/meson.build

@@ -5,6 +5,6 @@
 #
 
 e = executable('utftest', 'utftest.cpp',
-               objects: lib.extract_objects('utfcodec.cpp'),
+               objects: lib.extract_objects('../../common/cpp/utfcodec.cpp'),
                include_directories: [libsrc])
 test('utftest', e)