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1 /* |
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2 * Copyright (c) 2007-2010 Sebastian Brannstrom, Lars Persson, EmbedDev AB |
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3 * |
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4 * All rights reserved. |
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5 * This component and the accompanying materials are made available |
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6 * under the terms of the License "Eclipse Public License v1.0" |
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7 * which accompanies this distribution, and is available |
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8 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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9 * |
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10 * Initial Contributors: |
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11 * EmbedDev AB - initial contribution. |
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12 * |
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13 * Contributors: |
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14 * |
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15 * Description: |
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16 * |
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17 */ |
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18 |
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19 #include <e32std.h> |
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20 #include <e32base.h> |
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21 #include <TXTETEXT.H> // for ELineBreak |
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22 #include "PodcastUtils.h" |
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23 #include "debug.h" |
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24 #include "FeedEngine.h" // for KMaxDescriptionLength |
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25 |
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26 EXPORT_C void PodcastUtils::FixProtocolsL(TDes &aUrl) |
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27 { |
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28 HBufC* urlCopy = aUrl.AllocLC(); |
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29 TPtr urlCopyPtr (urlCopy->Des()); |
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30 urlCopyPtr.LowerCase(); |
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31 |
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32 // url is always present so access that |
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33 // Some pod links are written in format itpc://mylink.net/podcast.xml |
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34 // Symbian HTTP stack does not like itpc:// |
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35 // Try to use a HTTP instead. |
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36 TInt p = urlCopyPtr.Find(KItpcPrefix); |
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37 if (p >= 0) |
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38 { |
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39 aUrl.Delete(p, KItpcPrefix().Length()); |
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40 } |
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41 |
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42 // Some pod links are written in format pcast://mylink.net/podcast.xml |
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43 // Symbian HTTP stack does not like itpc:// |
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44 // Try to use a HTTP instead. |
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45 p = urlCopyPtr.Find(KPcastPrefix); |
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46 if (p >= 0) |
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47 { |
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48 aUrl.Delete(p, KPcastPrefix().Length()); |
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49 } |
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50 |
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51 // The URL must start with http://, otherwise the HTTP stack fails. |
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52 TInt pos = urlCopyPtr.Find(KURLPrefix); |
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53 if (pos == KErrNotFound) |
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54 { |
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55 HBufC* newUrl = HBufC::NewL(aUrl.Length() + KURLPrefix().Length()); |
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56 TPtr ptr = newUrl->Des(); |
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57 ptr.Append(KURLPrefix()); |
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58 ptr.Append(aUrl); |
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59 |
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60 // replace the url buffer |
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61 aUrl.Copy(*newUrl); |
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62 delete newUrl; |
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63 } |
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64 |
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65 CleanupStack::PopAndDestroy(urlCopy); |
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66 } |
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67 |
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68 |
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69 EXPORT_C void PodcastUtils::CleanHtmlL(TDes &str) |
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70 { |
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71 #ifdef UIQ |
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72 _LIT(KLineBreak, "\r\n"); |
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73 #else |
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74 const TChar KLineBreak(CEditableText::ELineBreak); |
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75 #endif |
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76 _LIT(KNewLine, "\n"); |
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77 ReplaceString(str, KNewLine, KNullDesC); |
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78 |
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79 // DP2("CleanHtml %d, %S", str.Length(), &str); |
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80 TInt startPos = str.Locate('<'); |
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81 TInt endPos = str.Locate('>'); |
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82 //DP3("length: %d, startPos: %d, endPos: %d", str.Length(), startPos, endPos); |
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83 HBufC* tmpBuf = HBufC::NewLC(KMaxDescriptionLength); |
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84 TPtr tmp(tmpBuf->Des()); |
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85 while (startPos != KErrNotFound && endPos != KErrNotFound && endPos > startPos) { |
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86 //DP1("Cleaning out %S", &str.Mid(startPos, endPos-startPos+1)); |
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87 tmp.Copy(str.Left(startPos)); |
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88 TPtrC ptr=str.Mid(startPos, endPos-startPos+1); |
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89 _LIT(KHtmlBr, "<br>"); |
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90 _LIT(KHtmlBr2, "<br />"); |
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91 _LIT(KHtmlBr3, "<br/>"); |
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92 _LIT(KHtmlP, "<p>"); |
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93 if (ptr.CompareF(KHtmlBr)== 0 || ptr.CompareF(KHtmlBr2)== 0 || ptr.CompareF(KHtmlBr3)== 0) |
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94 { |
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95 tmp.Append(KLineBreak); |
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96 } |
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97 else if (ptr.CompareF(KHtmlP) == 0) |
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98 { |
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99 tmp.Append(KLineBreak); |
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100 tmp.Append(KLineBreak); |
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101 } |
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102 |
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103 if (str.Length() > endPos+1) { |
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104 tmp.Append(str.Mid(endPos+1)); |
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105 } |
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106 |
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107 str.Copy(tmp); |
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108 startPos = str.Locate('<'); |
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109 endPos = str.Locate('>'); |
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110 } |
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111 |
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112 str.Trim(); |
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113 _LIT(KAmp, "&"); |
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114 _LIT(KQuot, """); |
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115 _LIT(KNbsp, " "); |
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116 _LIT(KCopy, "©"); |
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117 _LIT(KCopyReplacement, "(c)"); |
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118 if(str.Locate('&') != KErrNotFound) { |
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119 ReplaceString(str, KAmp, KNullDesC); |
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120 ReplaceString(str, KQuot, KNullDesC); |
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121 ReplaceString(str, KNbsp, KNullDesC); |
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122 ReplaceString(str, KCopy, KCopyReplacement); |
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123 } |
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124 ReplaceChar(str, '"', '\''); |
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125 |
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126 CleanupStack::PopAndDestroy(tmpBuf); |
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127 } |
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128 |
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129 EXPORT_C void PodcastUtils::ReplaceString(TDes & aString, const TDesC& aStringToReplace, const TDesC& aReplacement) |
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130 { |
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131 TInt pos=aString.Find(aStringToReplace); |
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132 TInt offset = 0; |
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133 while (pos != KErrNotFound) |
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134 { |
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135 aString.Replace(offset+pos, aStringToReplace.Length(), aReplacement); |
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136 offset += pos + aStringToReplace.Length()+1; |
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137 if (offset > aString.Length()) |
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138 { |
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139 return; |
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140 } |
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141 |
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142 pos=aString.Mid(offset).Find(aStringToReplace); |
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143 } |
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144 } |
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145 |
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146 EXPORT_C void PodcastUtils::ReplaceChar(TDes & aString, TUint aCharToReplace, TUint aReplacement) |
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147 { |
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148 TInt strLen=aString.Length(); |
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149 for (TInt i=0; i < strLen; i++) |
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150 { |
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151 if (aString[i] == aCharToReplace) |
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152 { |
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153 aString[i] = aReplacement; |
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154 } |
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155 } |
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156 } |
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157 |
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158 EXPORT_C void PodcastUtils::EnsureProperPathName(TFileName &aPath) |
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159 { |
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160 // from the SDK: The following characters cannot occur in the path: < >: " / |* |
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161 |
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162 ReplaceChar(aPath, '/', '_'); // better not to add \\ in case we have multiple / |
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163 ReplaceChar(aPath, ':', '_'); |
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164 ReplaceChar(aPath, '?', '_'); |
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165 ReplaceChar(aPath, '|', '_'); |
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166 ReplaceChar(aPath, '*', '_'); |
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167 ReplaceChar(aPath, '<', '_'); |
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168 ReplaceChar(aPath, '>', '_'); |
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169 ReplaceChar(aPath, '"', '_'); |
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170 |
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171 //buf.Append(_L("\\")); |
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172 } |
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173 |
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174 EXPORT_C void PodcastUtils::FileNameFromUrl(const TDesC& aUrl, TFileName &aFileName) |
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175 { |
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176 TInt pos = aUrl.LocateReverse('/'); |
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177 |
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178 if (pos != KErrNotFound) |
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179 { |
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180 TPtrC str = aUrl.Mid(pos+1); |
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181 pos = str.Locate('?'); |
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182 if (pos != KErrNotFound) |
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183 { |
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184 aFileName.Copy(str.Left(pos)); |
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185 } |
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186 else |
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187 { |
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188 aFileName.Copy(str); |
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189 } |
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190 } |
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191 DP2("FileNameFromUrl in: %S, out: %S", &aUrl, &aFileName); |
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192 } |
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193 |
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194 EXPORT_C void PodcastUtils::SQLEncode(TDes &aString) |
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195 { |
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196 ReplaceString(aString, _L("\""), _L("\"\"")); |
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197 //ReplaceString(aString, _L("'"), _L("''")); |
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198 } |
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199 |
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200 EXPORT_C void PodcastUtils::XMLEncode(TDes &aString) |
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201 { |
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202 ReplaceString(aString, _L("\""), _L(""")); |
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203 ReplaceString(aString, _L("<"), _L("<")); |
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204 ReplaceString(aString, _L(">"), _L(">")); |
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205 ReplaceString(aString, _L("&"), _L("&")); |
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206 } |