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5 <title>TB9.2 Example Applications: examples/PIPS/hybridapp/src/hybridapp.cpp Source File</title> |
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11 <h1>examples/PIPS/hybridapp/src/hybridapp.cpp</h1><a href="hybridapp_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).</span> |
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12 <a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span> |
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13 <a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span> |
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14 <a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span> |
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15 <a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span> |
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16 <a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span> |
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17 <a name="l00007"></a>00007 <span class="comment">//</span> |
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18 <a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span> |
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19 <a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span> |
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20 <a name="l00010"></a>00010 <span class="comment">//</span> |
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21 <a name="l00011"></a>00011 <span class="comment">// Contributors:</span> |
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22 <a name="l00012"></a>00012 <span class="comment">//</span> |
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23 <a name="l00013"></a>00013 <span class="comment">// Description:</span> |
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24 <a name="l00014"></a>00014 <span class="comment">// Demonstrates an OE hybrid application.</span> |
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25 <a name="l00015"></a>00015 <span class="comment">//</span> |
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26 <a name="l00016"></a>00016 |
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27 <a name="l00017"></a>00017 |
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28 <a name="l00018"></a>00018 |
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29 <a name="l00022"></a>00022 <span class="preprocessor">#include <stdio.h></span> |
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30 <a name="l00023"></a>00023 <span class="preprocessor">#include <f32file.h></span> |
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31 <a name="l00024"></a>00024 <span class="preprocessor">#include <stdlib.h></span> |
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32 <a name="l00025"></a>00025 <span class="preprocessor">#include <string.h></span> |
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33 <a name="l00026"></a>00026 |
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34 <a name="l00032"></a><a class="code" href="hybridapp_8cpp.html#a2cb8584577937cf1b54bedf5f339d32b">00032</a> <span class="keywordtype">char</span>* <a class="code" href="hybridapp_8cpp.html#a2cb8584577937cf1b54bedf5f339d32b">DescToChar</a>(<span class="keyword">const</span> TDesC& aDes) |
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35 <a name="l00033"></a>00033 { |
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36 <a name="l00034"></a>00034 <span class="comment">// Get the length of the descriptor.</span> |
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37 <a name="l00035"></a>00035 TInt length = aDes.Length(); |
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38 <a name="l00036"></a>00036 |
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39 <a name="l00037"></a>00037 <span class="comment">// Allocate memory to the array of characters.</span> |
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40 <a name="l00038"></a>00038 <span class="comment">// An additional byte of memory is allocated to the array as </span> |
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41 <a name="l00039"></a>00039 <span class="comment">// Symbian descriptors do not end with the end of string '\0' character.</span> |
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42 <a name="l00040"></a>00040 <span class="keywordtype">char</span>* ptr = (<span class="keywordtype">char</span>*)malloc(<span class="keyword">sizeof</span>(<span class="keywordtype">char</span>)*(length + 1)); |
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43 <a name="l00041"></a>00041 <span class="keywordflow">if</span>(ptr == NULL) |
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44 <a name="l00042"></a>00042 { |
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45 <a name="l00043"></a>00043 <span class="comment">// Return NULL if memory was not allocated properly.</span> |
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46 <a name="l00044"></a>00044 <span class="keywordflow">return</span> NULL; |
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47 <a name="l00045"></a>00045 } |
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48 <a name="l00046"></a>00046 <span class="comment">// The loop index.</span> |
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49 <a name="l00047"></a>00047 TInt ix = 0; |
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50 <a name="l00048"></a>00048 <span class="keywordflow">for</span>(; ix < length; ix++) |
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51 <a name="l00049"></a>00049 { |
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52 <a name="l00050"></a>00050 <span class="comment">// Copy the contents of the descriptor into the array of characters.</span> |
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53 <a name="l00051"></a>00051 ptr[ix] = aDes[ix]; |
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54 <a name="l00052"></a>00052 } |
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55 <a name="l00053"></a>00053 <span class="comment">// Append the end of string to the 'C' style string.</span> |
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56 <a name="l00054"></a>00054 ptr[ix] = <span class="charliteral">'\0'</span>; |
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57 <a name="l00055"></a>00055 |
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58 <a name="l00056"></a>00056 <span class="comment">// return the pointer to the array.</span> |
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59 <a name="l00057"></a>00057 <span class="keywordflow">return</span> ptr; |
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60 <a name="l00058"></a>00058 } |
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61 <a name="l00059"></a>00059 |
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62 <a name="l00065"></a><a class="code" href="hybridapp_8cpp.html#acd930fa97b9d63260709595e22a0f881">00065</a> <span class="keywordtype">void</span> <a class="code" href="hybridapp_8cpp.html#acd930fa97b9d63260709595e22a0f881">PrintDriveInfoL</a>(<span class="keyword">const</span> RFs& aFs, <span class="keyword">const</span> TInt aDriveNumber) |
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63 <a name="l00066"></a>00066 { |
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64 <a name="l00067"></a>00067 <span class="comment">// Get the drive information</span> |
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65 <a name="l00068"></a>00068 TDriveInfo driveInfo; |
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66 <a name="l00069"></a>00069 TInt errDrive = aFs.Drive(driveInfo,aDriveNumber); |
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67 <a name="l00070"></a>00070 <span class="keywordflow">if</span>(errDrive != KErrNone) |
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68 <a name="l00071"></a>00071 <span class="keywordflow">return</span>; |
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69 <a name="l00072"></a>00072 |
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70 <a name="l00073"></a>00073 <span class="comment">// Get the name of the drive.</span> |
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71 <a name="l00074"></a>00074 TBuf<KMaxFileName> driveName; |
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72 <a name="l00075"></a>00075 TInt errName = aFs.GetDriveName(aDriveNumber,driveName); |
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73 <a name="l00076"></a>00076 <span class="keywordflow">if</span>(errName != KErrNone) |
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74 <a name="l00077"></a>00077 <span class="keywordflow">return</span>; |
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75 <a name="l00078"></a>00078 |
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76 <a name="l00079"></a>00079 <span class="comment">// Convert the drive name from native Symbian descriptor string to a 'C' string.</span> |
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77 <a name="l00080"></a>00080 <span class="keywordtype">char</span>* cptr = <a class="code" href="hybridapp_8cpp.html#a2cb8584577937cf1b54bedf5f339d32b">DescToChar</a>(driveName); |
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78 <a name="l00081"></a>00081 CleanupStack::PushL(cptr); |
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79 <a name="l00082"></a>00082 <span class="comment">// Check if a name has been specified for the drive.</span> |
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80 <a name="l00083"></a>00083 <span class="keywordflow">if</span>(strlen(cptr)) |
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81 <a name="l00084"></a>00084 { |
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82 <a name="l00085"></a>00085 <span class="comment">// Print the name of the drive.</span> |
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83 <a name="l00086"></a>00086 printf(<span class="stringliteral">"Drive Name :%s\n"</span>,cptr); |
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84 <a name="l00087"></a>00087 } |
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85 <a name="l00088"></a>00088 |
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86 <a name="l00089"></a>00089 <span class="comment">// Print the memory information for the drive.</span> |
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87 <a name="l00090"></a>00090 <span class="comment">// The memory size is defined for a drive only if it is formattable.</span> |
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88 <a name="l00091"></a>00091 <span class="keywordflow">if</span>((driveInfo.iMediaAtt & KMediaAttFormattable)) |
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89 <a name="l00092"></a>00092 { |
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90 <a name="l00093"></a>00093 TChar driveLetter; |
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91 <a name="l00094"></a>00094 <span class="comment">// if drive-list entry non-zero, drive is available</span> |
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92 <a name="l00095"></a>00095 TInt errDLetter = aFs.DriveToChar(aDriveNumber,driveLetter); |
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93 <a name="l00096"></a>00096 <span class="keywordflow">if</span>(errDLetter != KErrNone) |
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94 <a name="l00097"></a>00097 <span class="keywordflow">return</span>; |
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95 <a name="l00098"></a>00098 <span class="comment">// The following line prints the drive letter followed by the hex value</span> |
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96 <a name="l00099"></a>00099 <span class="comment">// of the integer indicating that drive's attributes</span> |
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97 <a name="l00100"></a>00100 printf(<span class="stringliteral">"Drive Letter: %c\n"</span>,TUint(driveLetter)); |
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98 <a name="l00101"></a>00101 |
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99 <a name="l00102"></a>00102 <span class="comment">// Get the volume information for the formatted device.</span> |
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100 <a name="l00103"></a>00103 TVolumeInfo volumeInfo; |
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101 <a name="l00104"></a>00104 TInt errVol = aFs.Volume(volumeInfo,aDriveNumber); |
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102 <a name="l00105"></a>00105 <span class="keywordflow">if</span>(errVol != KErrNone) |
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103 <a name="l00106"></a>00106 <span class="keywordflow">return</span>; |
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104 <a name="l00107"></a>00107 |
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105 <a name="l00108"></a>00108 <span class="comment">// Get the total size and the free space of the drive.</span> |
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106 <a name="l00109"></a>00109 TInt64 driveTotalSize = volumeInfo.iSize; |
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107 <a name="l00110"></a>00110 TInt64 driveFreeSize = volumeInfo.iFree; |
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108 <a name="l00111"></a>00111 <span class="comment">// Print the memory information for the drive.</span> |
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109 <a name="l00112"></a>00112 printf(<span class="stringliteral">"Total size of the drive: %d\n"</span>, driveTotalSize); |
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110 <a name="l00113"></a>00113 printf(<span class="stringliteral">"Free space: %d\n"</span>, driveFreeSize); |
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111 <a name="l00114"></a>00114 |
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112 <a name="l00115"></a>00115 printf(<span class="stringliteral">" [press the enter key to continue]\n"</span>); |
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113 <a name="l00116"></a>00116 <span class="comment">// Wait for a key press.</span> |
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114 <a name="l00117"></a>00117 getchar(); |
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115 <a name="l00118"></a>00118 } |
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116 <a name="l00119"></a>00119 |
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117 <a name="l00120"></a>00120 CleanupStack::PopAndDestroy(cptr); |
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118 <a name="l00121"></a>00121 } |
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119 <a name="l00122"></a>00122 |
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120 <a name="l00123"></a><a class="code" href="hybridapp_8cpp.html#a689e0bf9aa924a1d7dc108665d44736c">00123</a> LOCAL_C <span class="keywordtype">void</span> MainL() |
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121 <a name="l00124"></a>00124 { |
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122 <a name="l00125"></a>00125 <span class="comment">// The file server session.</span> |
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123 <a name="l00126"></a>00126 RFs fs; |
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124 <a name="l00127"></a>00127 <span class="comment">// Connect to the file server.</span> |
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125 <a name="l00128"></a>00128 User::LeaveIfError(fs.Connect()); |
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126 <a name="l00129"></a>00129 CleanupClosePushL(fs); |
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127 <a name="l00130"></a>00130 printf(<span class="stringliteral">"\nValid drives as characters (and as numbers) are:\n"</span>); |
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128 <a name="l00131"></a>00131 |
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129 <a name="l00132"></a>00132 <span class="comment">// Initialise drive number to the first drive.</span> |
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130 <a name="l00133"></a>00133 TInt driveNumber=EDriveA; |
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131 <a name="l00134"></a>00134 TChar driveLetter; |
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132 <a name="l00135"></a>00135 |
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133 <a name="l00136"></a>00136 <span class="keywordflow">for</span> (; driveNumber<=EDriveZ; driveNumber++) |
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134 <a name="l00137"></a>00137 { |
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135 <a name="l00138"></a>00138 <span class="keywordflow">if</span> (fs.IsValidDrive(driveNumber)) |
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136 <a name="l00139"></a>00139 { |
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137 <a name="l00140"></a>00140 <span class="comment">// Indicates that the drive exists and is valid.</span> |
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138 <a name="l00141"></a>00141 TInt errDrive = fs.DriveToChar(driveNumber,driveLetter); |
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139 <a name="l00142"></a>00142 <span class="keywordflow">if</span>(errDrive == KErrNone) |
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140 <a name="l00143"></a>00143 { |
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141 <a name="l00144"></a>00144 <span class="comment">// Print the drive letter.</span> |
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142 <a name="l00145"></a>00145 printf(<span class="stringliteral">"%c"</span>,TUint(driveLetter)); |
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143 <a name="l00146"></a>00146 <span class="comment">// Convert the drive letter to the drive number.</span> |
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144 <a name="l00147"></a>00147 TInt errChar = fs.CharToDrive(driveLetter, driveNumber); |
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145 <a name="l00148"></a>00148 <span class="keywordflow">if</span>(errChar == KErrNone) |
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146 <a name="l00149"></a>00149 { |
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147 <a name="l00150"></a>00150 <span class="comment">// Print the drive number.</span> |
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148 <a name="l00151"></a>00151 printf(<span class="stringliteral">"(%d) "</span>,driveNumber); |
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149 <a name="l00152"></a>00152 } |
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150 <a name="l00153"></a>00153 } |
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151 <a name="l00154"></a>00154 } |
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152 <a name="l00155"></a>00155 } |
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153 <a name="l00156"></a>00156 |
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154 <a name="l00157"></a>00157 printf(<span class="stringliteral">"\n"</span>); |
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155 <a name="l00158"></a>00158 |
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156 <a name="l00159"></a>00159 <span class="comment">// Get a list of the available drives.</span> |
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157 <a name="l00160"></a>00160 TDriveList drivelist; |
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158 <a name="l00161"></a>00161 User::LeaveIfError(fs.DriveList(drivelist)); |
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159 <a name="l00162"></a>00162 |
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160 <a name="l00163"></a>00163 <span class="comment">// A TDriveList (the list of available drives), is an array of</span> |
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161 <a name="l00164"></a>00164 <span class="comment">// 26 bytes. Each byte with a non zero value signifies that the</span> |
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162 <a name="l00165"></a>00165 <span class="comment">// corresponding drive is available.</span> |
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163 <a name="l00166"></a>00166 |
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164 <a name="l00167"></a>00167 printf(<span class="stringliteral">"\nUsing DriveList(), available drives are: \n"</span>); |
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165 <a name="l00168"></a>00168 <span class="keywordflow">for</span> (driveNumber=EDriveA; driveNumber<=EDriveZ;driveNumber++) |
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166 <a name="l00169"></a>00169 { |
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167 <a name="l00170"></a>00170 <span class="keywordflow">if</span> (drivelist[driveNumber]) |
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168 <a name="l00171"></a>00171 { |
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169 <a name="l00172"></a>00172 <span class="comment">// if drive-list entry non-zero, drive is available</span> |
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170 <a name="l00173"></a>00173 TInt errDrive = fs.DriveToChar(driveNumber,driveLetter); |
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171 <a name="l00174"></a>00174 <span class="keywordflow">if</span>(errDrive == KErrNone) |
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172 <a name="l00175"></a>00175 { |
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173 <a name="l00176"></a>00176 <span class="comment">// The following line prints the drive letter followed by the hex value</span> |
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174 <a name="l00177"></a>00177 <span class="comment">// of the integer indicating that drive's attributes</span> |
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175 <a name="l00178"></a>00178 printf(<span class="stringliteral">"Drive Letter: %c\n"</span>,TUint(driveLetter)); |
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176 <a name="l00179"></a>00179 printf(<span class="stringliteral">" [press the enter key to continue]\n"</span>); |
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177 <a name="l00180"></a>00180 <span class="comment">// Wait for a key press.</span> |
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178 <a name="l00181"></a>00181 getchar(); |
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179 <a name="l00182"></a>00182 } |
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180 <a name="l00183"></a>00183 } |
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181 <a name="l00184"></a>00184 } |
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182 <a name="l00185"></a>00185 |
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183 <a name="l00186"></a>00186 printf(<span class="stringliteral">"Memory information for formattable drives:\n"</span>); |
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184 <a name="l00187"></a>00187 printf(<span class="stringliteral">" [press the enter key to continue]\n"</span>); |
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185 <a name="l00188"></a>00188 <span class="comment">// Wait for a key press.</span> |
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186 <a name="l00189"></a>00189 getchar(); |
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187 <a name="l00190"></a>00190 <span class="keywordflow">for</span> (driveNumber=EDriveA; driveNumber<=EDriveZ;driveNumber++) |
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188 <a name="l00191"></a>00191 { |
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189 <a name="l00192"></a>00192 <span class="keywordflow">if</span> (drivelist[driveNumber]) |
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190 <a name="l00193"></a>00193 { |
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191 <a name="l00194"></a>00194 <a class="code" href="hybridapp_8cpp.html#acd930fa97b9d63260709595e22a0f881">PrintDriveInfoL</a>(fs,driveNumber); |
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192 <a name="l00195"></a>00195 } |
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193 <a name="l00196"></a>00196 } |
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194 <a name="l00197"></a>00197 |
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195 <a name="l00198"></a>00198 CleanupStack::PopAndDestroy(&fs); |
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196 <a name="l00199"></a>00199 } |
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197 <a name="l00200"></a>00200 |
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198 <a name="l00201"></a>00201 |
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199 <a name="l00202"></a><a class="code" href="hybridapp_8cpp.html#a0f358e9c4355138f629b8c4f37310295">00202</a> GLDEF_C TInt E32Main() |
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200 <a name="l00203"></a>00203 { |
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201 <a name="l00204"></a>00204 <span class="comment">// Create cleanup stack</span> |
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202 <a name="l00205"></a>00205 __UHEAP_MARK; |
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203 <a name="l00206"></a>00206 CTrapCleanup* cleanup = CTrapCleanup::New(); |
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204 <a name="l00207"></a>00207 |
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205 <a name="l00208"></a>00208 <span class="comment">// Run application code inside TRAP harness, wait for key press when terminated</span> |
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206 <a name="l00209"></a>00209 TRAPD(mainError, MainL()); |
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207 <a name="l00210"></a>00210 <span class="keywordflow">if</span> (mainError) |
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208 <a name="l00211"></a>00211 { |
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209 <a name="l00212"></a>00212 printf(<span class="stringliteral">" failed, leave code = %d"</span>, mainError); |
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210 <a name="l00213"></a>00213 } |
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211 <a name="l00214"></a>00214 |
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212 <a name="l00215"></a>00215 printf(<span class="stringliteral">" [press the enter key to exit]\n"</span>); |
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213 <a name="l00216"></a>00216 getchar(); |
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214 <a name="l00217"></a>00217 |
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215 <a name="l00218"></a>00218 <span class="keyword">delete</span> cleanup; |
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216 <a name="l00219"></a>00219 __UHEAP_MARKEND; |
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217 <a name="l00220"></a>00220 <span class="keywordflow">return</span> KErrNone; |
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218 <a name="l00221"></a>00221 } |
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219 <a name="l00222"></a>00222 |
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220 </pre></div></div> |
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221 <hr size="1"/><address style="text-align: right;"><small>Generated by |
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222 <a href="http://www.doxygen.org/index.html"> |
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223 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address> |
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224 </body> |
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225 </html> |