LCOV - code coverage report
Current view: top level - source/ps/XMB - XMBStorage.h (source / functions) Hit Total Coverage
Test: 0 A.D. test coverage report Lines: 2 2 100.0 %
Date: 2021-09-24 14:46:47 Functions: 0 0 -

          Line data    Source code
       1             : /* Copyright (C) 2021 Wildfire Games.
       2             :  * This file is part of 0 A.D.
       3             :  *
       4             :  * 0 A.D. is free software: you can redistribute it and/or modify
       5             :  * it under the terms of the GNU General Public License as published by
       6             :  * the Free Software Foundation, either version 2 of the License, or
       7             :  * (at your option) any later version.
       8             :  *
       9             :  * 0 A.D. is distributed in the hope that it will be useful,
      10             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      11             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      12             :  * GNU General Public License for more details.
      13             :  *
      14             :  * You should have received a copy of the GNU General Public License
      15             :  * along with 0 A.D.  If not, see <http://www.gnu.org/licenses/>.
      16             :  */
      17             : 
      18             : #ifndef INCLUDED_XMBSTORAGE
      19             : #define INCLUDED_XMBSTORAGE
      20             : 
      21             : #include "scriptinterface/ScriptForward.h"
      22             : 
      23             : #include <memory>
      24             : 
      25             : typedef struct _xmlDoc xmlDoc;
      26             : typedef xmlDoc* xmlDocPtr;
      27             : 
      28             : struct IVFS;
      29             : typedef std::shared_ptr<IVFS> PIVFS;
      30             : 
      31             : class Path;
      32             : typedef Path VfsPath;
      33             : 
      34             : /**
      35             :  * Storage for XMBData
      36             :  */
      37        3463 : class XMBStorage
      38             : {
      39             : public:
      40             :     // File headers, to make sure it doesn't try loading anything other than an XMB
      41             :     static const char* HeaderMagicStr;
      42             :     static const char* UnfinishedHeaderMagicStr;
      43             :     static const u32 XMBVersion;
      44             : 
      45        3474 :     XMBStorage() = default;
      46             : 
      47             :     /**
      48             :      * Read an XMB file on disk.
      49             :      */
      50             :     bool ReadFromFile(const PIVFS& vfs, const VfsPath& filename);
      51             : 
      52             :     /**
      53             :      * Parse an XML document into XMB.
      54             :      *
      55             :      * Main limitations:
      56             :      *  - Can't correctly handle mixed text/elements inside elements -
      57             :      *    "<div> <b> Text </b> </div>" and "<div> Te<b/>xt </div>" are
      58             :      *    considered identical.
      59             :      */
      60             :     bool LoadXMLDoc(const xmlDocPtr doc);
      61             : 
      62             :     /**
      63             :      * Parse a Javascript value into XMB.
      64             :      * The syntax is similar to ParamNode, but supports multiple children with the same name, to match XML.
      65             :      * You need to pass the name of the root object, as unlike XML this cannot be recovered from the value.
      66             :      * The following JS object:
      67             :      * {
      68             :      *     "a": 5,
      69             :      *     "b": "test",
      70             :      *     "x": {
      71             :      *         // Like ParamNode, _string is used for the value.
      72             :      *         "_string": "value",
      73             :      *         // Like ParamNode, attributes are prefixed with @.
      74             :      *         "@param": "something",
      75             :      *         "y": 3
      76             :      *     },
      77             :      *     // Every array item is parsed as a child.
      78             :      *     "object": [
      79             :      *         "a",
      80             :      *         "b",
      81             :      *         { "_string": "c" },
      82             :      *         { "child": "value" },
      83             :      *     ],
      84             :      *     // Same but without the array.
      85             :      *     "child@0@": 1,
      86             :      *     "child@1@": 2
      87             :      * }
      88             :      * will parse like the following XML:
      89             :      * <a>5
      90             :      *     <b>test</b>
      91             :      *     <x param="something">value
      92             :      *          <y>3</y>
      93             :      *     </x>
      94             :      *     <object>a</object>
      95             :      *     <object>b</object>
      96             :      *     <object>c</object>
      97             :      *     <object><child>value</child></object>
      98             :      *     <child>1</child>
      99             :      *     <child>2</child>
     100             :      * </a>
     101             :      * See also tests for some other examples.
     102             :      */
     103             :     bool LoadJSValue(const ScriptInterface& scriptInterface, JS::HandleValue value, const std::string& rootName);
     104             : 
     105             :     std::shared_ptr<u8> m_Buffer;
     106             :     size_t m_Size = 0;
     107             : };
     108             : 
     109             : 
     110             : #endif // INCLUDED_XMBSTORAGE

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