You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.1 KiB
55 lines
1.1 KiB
4 months ago
|
// Copyright (c) 2012 The WebM project authors. All Rights Reserved.
|
||
|
|
//
|
||
|
|
// Use of this source code is governed by a BSD-style license
|
||
|
|
// that can be found in the LICENSE file in the root of the source
|
||
|
|
// tree. An additional intellectual property rights grant can be found
|
||
|
|
// in the file PATENTS. All contributing project authors may
|
||
|
|
// be found in the AUTHORS file in the root of the source tree.
|
||
|
|
|
||
|
|
#include "webvtt/vttreader.h"
|
||
|
|
|
||
|
|
namespace libwebvtt {
|
||
|
|
|
||
|
|
VttReader::VttReader() : file_(NULL) {}
|
||
|
|
|
||
|
|
VttReader::~VttReader() { Close(); }
|
||
|
|
|
||
|
|
int VttReader::Open(const char* filename) {
|
||
|
|
if (filename == NULL || file_ != NULL)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
file_ = fopen(filename, "rb");
|
||
|
|
if (file_ == NULL)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
return 0; // success
|
||
|
|
}
|
||
|
|
|
||
|
|
void VttReader::Close() {
|
||
|
|
if (file_) {
|
||
|
|
fclose(file_);
|
||
|
|
file_ = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int VttReader::GetChar(char* c) {
|
||
|
|
if (c == NULL || file_ == NULL)
|
||
|
|
return -1;
|
||
|
|
|
||
|
|
const int result = fgetc(file_);
|
||
|
|
if (result != EOF) {
|
||
|
|
*c = static_cast<char>(result);
|
||
|
|
return 0; // success
|
||
|
|
}
|
||
|
|
|
||
|
|
if (ferror(file_))
|
||
|
|
return -1; // error
|
||
|
|
|
||
|
|
if (feof(file_))
|
||
|
|
return 1; // EOF
|
||
|
|
|
||
|
|
return -1; // weird
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace libwebvtt
|