1/*
2 * Copyright 2011 Google Inc. All Rights Reserved.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "test/test_utils.h"
18
19#include <stdio.h>
20#include <unicode/ucnv.h>
21#include <unicode/uchar.h>
22
23#include "gtest/gtest.h"
24#include "sfntly/font.h"
25#include "sfntly/data/memory_byte_array.h"
26#include "sfntly/data/growable_memory_byte_array.h"
27#include "sfntly/port/file_input_stream.h"
28
29namespace sfntly {
30TestUtils::TestUtils() {}
31
32// static
33// OutputStream CreateOutputStream(const char *file_path) {
34// }
35
36// static
37// void TestUtils::CreateNewFile(const char* file_path) {
38// }
39
40// static
41int32_t TestUtils::EncodeOneChar(UConverter* encoder, int16_t uchar) {
42  char* target = new char[ucnv_getMaxCharSize(encoder) * 2];
43  char* target_end;
44  UChar* source = new UChar[2];
45  UChar* source_end;
46  source[0] = (UChar)uchar;
47  source[1] = 0;
48  UErrorCode status = U_ZERO_ERROR;
49  source_end = source;
50  target_end = target;
51  ucnv_fromUnicode(encoder, &target_end, target + 4,
52                   (const UChar**)&source_end, source + sizeof(UChar),
53                   NULL, TRUE, &status);
54  if (!U_SUCCESS(status)) {
55    fprintf(stderr, "Error occured in conversion of %d: %s\n",
56            uchar, u_errorName(status));
57    delete[] source;
58    delete[] target;
59    return 0;
60  }
61  int32_t enc_char = 0;
62  for (int32_t position = 0; position < target_end - target; ++position) {
63    enc_char <<= 8;
64    enc_char |= (target[position] & 0xff);
65  }
66  delete[] source;
67  delete[] target;
68  return enc_char;
69}
70
71// static
72UConverter* TestUtils::GetEncoder(const char* charset_name) {
73  if (charset_name == NULL || strcmp(charset_name, "") == 0)
74    return NULL;
75  UErrorCode status = U_ZERO_ERROR;
76  UConverter* conv = ucnv_open(charset_name, &status);
77  // if (!U_SUCCESS(status))
78  //   return NULL;
79  return conv;  // returns NULL @ error anyway
80}
81
82// Get a file's extension
83// static
84const char* TestUtils::Extension(const char* file_path) {
85  if (!file_path)
86    return NULL;
87  return strrchr(file_path, EXTENSION_SEPARATOR);
88}
89}
90