src/file.h

Thu, 27 Jun 2013 12:13:15 +0300

author
Santeri Piippo <crimsondusk64@gmail.com>
date
Thu, 27 Jun 2013 12:13:15 +0300
changeset 304
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parent 292
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child 309
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permissions
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..

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1 /*
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2 * LDForge: LDraw parts authoring CAD
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3 * Copyright (C) 2013 Santeri Piippo
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4 *
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5 * This program is free software: you can redistribute it and/or modify
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6 * it under the terms of the GNU General Public License as published by
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7 * the Free Software Foundation, either version 3 of the License, or
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8 * (at your option) any later version.
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9 *
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10 * This program is distributed in the hope that it will be useful,
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 * GNU General Public License for more details.
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14 *
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15 * You should have received a copy of the GNU General Public License
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16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 */
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18
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19 #ifndef FILE_H
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20 #define FILE_H
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21
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22 #include "common.h"
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23 #include "ldtypes.h"
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24 #include "history.h"
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25 #include <QObject>
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26
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27 class History;
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28 class OpenProgressDialog;
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29
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30 namespace LDPaths {
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31 void initPaths ();
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32 bool tryConfigure (str path);
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33
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34 str ldconfig ();
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35 str prims ();
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36 str parts ();
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37 str getError ();
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38 }
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39
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40 // =============================================================================
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41 // LDOpenFile
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42 //
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43 // The LDOpenFile class stores a file opened in LDForge either as a editable file
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44 // for the user or for subfile caching. Its methods handle file input and output.
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45 //
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46 // A file is implicit when they are opened automatically for caching purposes
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47 // and are hidden from the user. User-opened files are explicit (not implicit).
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48 // =============================================================================
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49 class LDOpenFile {
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50 PROPERTY (str, name, setName)
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51 PROPERTY (bool, implicit, setImplicit)
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52 READ_PROPERTY (vector<LDObject*>, objs, setObjects)
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53 PROPERTY (vector<LDObject*>, cache, setCache)
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54 PROPERTY (long, savePos, setSavePos)
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55 READ_PROPERTY (History, history, setHistory)
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56 READ_PROPERTY (vector<LDObject*>, vertices, setVertices)
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57
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58 public:
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59 typedef vector<LDObject*>::it it;
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60 typedef vector<LDObject*>::c_it c_it;
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61
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62 LDOpenFile ();
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63 ~LDOpenFile ();
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64
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65 // Saves this file to disk.
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66 bool save (str zPath = "");
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67
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68 // Perform safety checks. Do this before closing any files!
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69 bool safeToClose ();
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70
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71 // Adds an object to this file at the end of the file.
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72 ulong addObject (LDObject* obj);
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73
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74 // Deletes the given object from the object chain.
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75 void forgetObject (LDObject* obj);
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76
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77 LDObject* object (ulong pos) const { return m_objs[pos]; }
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78 LDObject* obj (ulong pos) const { return object (pos); }
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79
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80 void insertObj (const ulong pos, LDObject* obj);
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81 ulong numObjs () const { return m_objs.size (); }
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82 void setObject (ulong idx, LDObject* obj);
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83
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84 LDOpenFile& operator<< (LDObject* obj) {
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85 addObject (obj);
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86 return *this;
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87 }
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88
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89 it begin () { return PROP_NAME (objs).begin (); }
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90 c_it begin () const { return PROP_NAME (objs).begin (); }
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91 it end () { return PROP_NAME (objs).end (); }
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92 c_it end () const { return PROP_NAME (objs).end (); }
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93
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94 static void closeUnused ();
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95
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96 void openHistory () { m_history.open (); }
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97 void closeHistory () { m_history.close (); }
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98 void undo () { m_history.undo (); }
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99 void redo () { m_history.redo (); }
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100 void clearHistory () { m_history.clear (); }
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101 void addToHistory (AbstractHistoryEntry* entry) { m_history << entry; }
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102 };
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103
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104 // Close all current loaded files and start off blank.
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105 void newFile ();
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106
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107 // Opens the given file as the main file. Everything is closed first.
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108 void openMainFile (str zPath);
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109
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110 // Finds an OpenFile by name or null if not open
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111 LDOpenFile* findLoadedFile (str name);
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113 // Opens the given file and parses the LDraw code within. Returns a pointer
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114 // to the opened file or null on error.
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115 LDOpenFile* openDATFile (str path, bool search);
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117 // Opens the given file and returns a pointer to it, potentially looking in /parts and /p
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118 File* openLDrawFile (str relpath, bool subdirs);
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120 // Close all open files, whether user-opened or subfile caches.
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121 void closeAll ();
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122
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123 // Parses a string line containing an LDraw object and returns the object parsed.
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124 LDObject* parseLine (str line);
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125
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126 // Retrieves the pointer to - or loads - the given subfile.
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127 LDOpenFile* getFile (str zFile);
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128
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129 // Re-caches all subfiles.
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130 void reloadAllSubfiles ();
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131
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132 // Is it safe to close all files?
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133 bool safeToCloseAll ();
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134
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135 vector<LDObject*> loadFileContents (File* f, ulong* numWarnings, bool* ok = null);
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136
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137 extern vector<LDOpenFile*> g_loadedFiles;
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138
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139 str basename (str path);
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140 str dirname (str path);
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141
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142 // =============================================================================
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143 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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144 // =============================================================================
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145 // FileLoader
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146 //
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147 // Loads the given file and parses it to LDObjects using parseLine. It's a
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148 // separate class so as to be able to do the work in a separate thread.
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149 // =============================================================================
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150 class FileLoader : public QObject {
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151 Q_OBJECT
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152
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153 READ_PROPERTY (vector<LDObject*>, objs, setObjects)
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154 READ_PROPERTY (bool, done, setDone)
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155 READ_PROPERTY (ulong, progress, setProgress)
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156 PROPERTY (File*, file, setFile)
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157 PROPERTY (ulong*, warningsPointer, setWarningsPointer)
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158
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159 public:
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160 bool abortflag;
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161
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162 public slots:
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163 void work ();
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164
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165 signals:
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166 void progressUpdate (int progress);
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167 void workDone ();
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168 };
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169
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170 #endif // FILE_H

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