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 "sfntly/table/header.h"
18 
19 namespace sfntly {
20 
21 /******************************************************************************
22  * Header class
23  ******************************************************************************/
Header(int32_t tag)24 Header::Header(int32_t tag)
25     : tag_(tag),
26       offset_(0),
27       offset_valid_(false),
28       length_(0),
29       length_valid_(false),
30       checksum_(0),
31       checksum_valid_(false) {
32 }
33 
Header(int32_t tag,int32_t length)34 Header::Header(int32_t tag, int32_t length)
35     : tag_(tag),
36       offset_(0),
37       offset_valid_(false),
38       length_(length),
39       length_valid_(true),
40       checksum_(0),
41       checksum_valid_(false) {
42 }
43 
Header(int32_t tag,int64_t checksum,int32_t offset,int32_t length)44 Header::Header(int32_t tag, int64_t checksum, int32_t offset, int32_t length)
45     : tag_(tag),
46       offset_(offset),
47       offset_valid_(true),
48       length_(length),
49       length_valid_(true),
50       checksum_(checksum),
51       checksum_valid_(true) {
52 }
53 
~Header()54 Header::~Header() {}
55 
operator ()(const HeaderPtr lhs,const HeaderPtr rhs) const56 bool HeaderComparatorByOffset::operator() (const HeaderPtr lhs,
57                                            const HeaderPtr rhs) const {
58   return lhs->offset_ > rhs->offset_;
59 }
60 
operator ()(const HeaderPtr lhs,const HeaderPtr rhs) const61 bool HeaderComparatorByTag::operator() (const HeaderPtr lhs,
62                                         const HeaderPtr rhs) const {
63   return lhs->tag_ > rhs->tag_;
64 }
65 
66 }  // namespace sfntly
67