| 1 | /*␊ |
| 2 | Copyright 2021 Grégory Soutadé␊ |
| 3 | ␊ |
| 4 | This file is part of uPDFParser.␊ |
| 5 | ␊ |
| 6 | uPDFParser is free software: you can redistribute it and/or modify␊ |
| 7 | it under the terms of the GNU Lesser General Public License as published by␊ |
| 8 | the Free Software Foundation, either version 3 of the License, or␊ |
| 9 | (at your option) any later version.␊ |
| 10 | ␊ |
| 11 | uPDFParser is distributed in the hope that it will be useful,␊ |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of␊ |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the␊ |
| 14 | GNU Lesser General Public License for more details.␊ |
| 15 | ␊ |
| 16 | You should have received a copy of the GNU Lesser General Public License␊ |
| 17 | along with uPDFParser. If not, see <http://www.gnu.org/licenses/>.␊ |
| 18 | */␊ |
| 19 | ␊ |
| 20 | #include <unistd.h>␊ |
| 21 | #include <algorithm>␊ |
| 22 | ␊ |
| 23 | #include "uPDFTypes.h"␊ |
| 24 | #include "uPDFParser_common.h"␊ |
| 25 | ␊ |
| 26 | namespace uPDFParser␊ |
| 27 | {␊ |
| 28 | Name::Name(const std::string& name):␊ |
| 29 | ␉DataType(DataType::TYPE::NAME)␊ |
| 30 | {␊ |
| 31 | ␉_value = name;␊ |
| 32 | }␊ |
| 33 | ␊ |
| 34 | String::String(const std::string& value):␊ |
| 35 | ␉DataType(DataType::TYPE::STRING)␊ |
| 36 | {␊ |
| 37 | ␉_value = value;␊ |
| 38 | }␊ |
| 39 | ␊ |
| 40 | HexaString::HexaString(const std::string& value):␊ |
| 41 | ␉DataType(DataType::TYPE::HEXASTRING)␊ |
| 42 | {␊ |
| 43 | ␉_value = value;␊ |
| 44 | }␊ |
| 45 | ␊ |
| 46 | std::string Integer::str()␊ |
| 47 | {␊ |
| 48 | ␉std::string sign("");␊ |
| 49 | ␉// Sign automatically added for negative numbers␊ |
| 50 | ␉if (_signed && _value >= 0)␊ |
| 51 | ␉ sign = "+";␊ |
| 52 | ␊ |
| 53 | ␉return " " + sign + std::to_string(_value);␊ |
| 54 | }␊ |
| 55 | ␊ |
| 56 | std::string Real::str()␊ |
| 57 | {␊ |
| 58 | ␉std::string res;␊ |
| 59 | ␉std::string sign("");␊ |
| 60 | ␉if (_signed && _value >= 0)␊ |
| 61 | ␉ sign = "+";␊ |
| 62 | ␊ |
| 63 | ␉res = " " + sign + std::to_string(_value);␊ |
| 64 | ␉std::replace( res.begin(), res.end(), ',', '.');␊ |
| 65 | ␊ |
| 66 | ␉return res;␊ |
| 67 | }␊ |
| 68 | ␊ |
| 69 | std::string Array::str()␊ |
| 70 | {␊ |
| 71 | ␉std::string res("[");␊ |
| 72 | ␉std::vector<DataType*>::iterator it;␊ |
| 73 | ␊ |
| 74 | ␉for(it = _value.begin(); it!=_value.end(); it++)␊ |
| 75 | ␉{␊ |
| 76 | ␉ if (res.size() > 1 &&␊ |
| 77 | ␉␉(*it)->type() != DataType::TYPE::INTEGER &&␊ |
| 78 | ␉␉(*it)->type() != DataType::TYPE::REAL)␊ |
| 79 | ␉␉res += " ";␊ |
| 80 | ␉ res += (*it)->str();␊ |
| 81 | ␉}␊ |
| 82 | ␉ ␊ |
| 83 | ␉return res + "]";␊ |
| 84 | }␊ |
| 85 | ␊ |
| 86 | void Dictionary::addData(const std::string& key, DataType* value)␊ |
| 87 | {␊ |
| 88 | ␉_value[key] = value;␊ |
| 89 | }␊ |
| 90 | ␊ |
| 91 | std::string Dictionary::str()␊ |
| 92 | {␊ |
| 93 | ␉std::string res("<<");␊ |
| 94 | ␉std::map<std::string, DataType*>::iterator it;␊ |
| 95 | ␉␊ |
| 96 | ␉for(it = _value.begin(); it!=_value.end(); it++)␊ |
| 97 | ␉{␊ |
| 98 | ␉ res += std::string("/") + it->first;␊ |
| 99 | ␉ if (it->second)␊ |
| 100 | ␉␉res += it->second->str();␊ |
| 101 | ␉}␊ |
| 102 | ␉ ␊ |
| 103 | ␉return res + std::string(">>\n"); ␊ |
| 104 | }␊ |
| 105 | ␊ |
| 106 | std::string Stream::str()␊ |
| 107 | {␊ |
| 108 | ␉std::string res = "stream\n";␊ |
| 109 | ␉const char* streamData = (const char*)data(); // Force reading if not in memory␊ |
| 110 | ␉res += std::string(streamData, _dataLength);␊ |
| 111 | ␉res += "\nendstream\n";␊ |
| 112 | ␊ |
| 113 | ␉return res;␊ |
| 114 | }␊ |
| 115 | ␊ |
| 116 | unsigned char* Stream::data()␊ |
| 117 | {␊ |
| 118 | ␉if (!_data)␊ |
| 119 | ␉{␊ |
| 120 | ␉ if (!fd)␊ |
| 121 | ␉␉EXCEPTION(INVALID_STREAM, "Accessing data, but no file descriptor supplied");␊ |
| 122 | ␊ |
| 123 | ␉ _dataLength = endOffset - startOffset;␊ |
| 124 | ␉ _data = new unsigned char[_dataLength];␊ |
| 125 | ␉ freeData = true;␊ |
| 126 | ␊ |
| 127 | ␉ lseek(fd, startOffset, SEEK_SET);␊ |
| 128 | ␉ int ret = ::read(fd, _data, _dataLength);␊ |
| 129 | ␊ |
| 130 | ␉ if ((unsigned int)ret != _dataLength)␊ |
| 131 | ␉␉EXCEPTION(INVALID_STREAM, "Not enough data to read (" << ret << ")");␊ |
| 132 | ␉}␊ |
| 133 | ␉␊ |
| 134 | ␉return _data;␊ |
| 135 | }␊ |
| 136 | ␊ |
| 137 | void Stream::setData(unsigned char* data, unsigned int dataLength, bool freeData)␊ |
| 138 | {␊ |
| 139 | ␉if (_data && freeData)␊ |
| 140 | ␉ delete[] _data;␊ |
| 141 | ␊ |
| 142 | ␉dict.deleteKey("Length");␊ |
| 143 | ␉dict.addData("Length", new Integer(dataLength));␊ |
| 144 | ␊ |
| 145 | ␉this->_data = data;␊ |
| 146 | ␉this->_dataLength = dataLength;␊ |
| 147 | ␉this->freeData = freeData;␊ |
| 148 | }␊ |
| 149 | }␊ |
