Edit C:\apache-ant-1.8.0\docs\manual\OptionalTasks\native2ascii.html
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See the License for the specific language governing permissions and limitations under the License. --> <html> <head><link rel="stylesheet" type="text/css" href="../stylesheets/style.css"> <title>Native2Ascii Task</title></head> <body> <h2>Native2Ascii</h2> <h3>Description:</h3> <p> Converts files from native encodings to ASCII with escaped Unicode. A common usage is to convert source files maintained in a native operating system encoding, to ASCII prior to compilation. </p> <p> Files in the directory <em>src</em> are converted from a native encoding to ASCII. By default, all files in the directory are converted. However, conversion may be limited to selected files using <em>includes</em> and <em>excludes</em> attributes. For more information on file matching patterns, see the section on <a href="../dirtasks.html#directorybasedtasks">directory based tasks</a>. If no <em>encoding</em> is specified, the default encoding for the JVM is used. If <em>ext</em> is specified, then output files are renamed to use it as a new extension. More sophisticated file name translations can be achieved using a nested <em><code><mapper></code></em> element. By default an <a href="../CoreTypes/mapper.html#identity-mapper">identity mapper</a> will be used. If <em>dest</em> and <em>src</em> point to the same directory, the <em>ext</em> attribute or a nested <em><code><mapper></code></em> is required. </p> <p> This task forms an implicit <a href="../CoreTypes/fileset.html">File Set</a>, and supports most attributes of <code><fileset></code> (<code>dir</code> becomes <code>src</code>) as well as nested <code><include></code>, <code><exclude></code>, and <code><patternset></code> elements. </p> <p>It is possible to use different converters. This can be selected with the <code>implementation</code> attribute or a nested element. <a name="implementationvalues">Here are the choices of the attribute</a>:</p> <ul> <li>default - the default converter (kaffe or sun) for the platform.</li> <li>sun (the standard converter of the JDK)</li> <li>kaffe (the standard converter of <a href="http://www.kaffe.org" target="_top">Kaffe</a>)</li> </ul> <table border="1" cellpadding="2" cellspacing="0"> <tr> <td><b>Attribute</b></td> <td><b>Description</b></td> <td><b>Required</b></td> </tr> <tr> <td>reverse</td> <td>Reverse the sense of the conversion, i.e. convert from ASCII to native <b>only supported by the sun converter</b></td> <td align="center">No</td> </tr> <tr> <td>encoding</td> <td>The native encoding the files are in (default is the default encoding for the JVM)</td> <td align="center">No</td> </tr> <tr> <td>src</td> <td>The directory to find files in (default is <em>basedir</em>)</td> <td align="center">No</td> </tr> <tr> <td>dest</td> <td>The directory to output file to</td> <td align="center">Yes</td> </tr> <tr> <td>ext</td> <td>File extension to use in renaming output files</td> <td align="center">No</td> </tr> <tr> <td>defaultexcludes</td> <td>indicates whether default excludes should be used or not ("yes"/"no"). Default excludes are used when omitted. </td> <td align="center">No</td> </tr> <tr> <td>includes</td> <td>comma- or space-separated list of patterns of files that must be included. All files are included when omitted.</td> <td align="center">No</td> </tr> <tr> <td>includesfile</td> <td>the name of a file. Each line of this file is taken to be an include pattern</td> <td align="center">No</td> </tr> <tr> <td>excludes</td> <td>comma- or space-separated list of patterns of files that must be excluded. No files (except default excludes) are excluded when omitted.</td> <td align="center">No</td> </tr> <tr> <td>excludesfile</td> <td>the name of a file. Each line of this file is taken to be an exclude pattern</td> <td align="center">No</td> </tr> <tr> <td valign="top">implementation</td> <td valign="top">The converter implementation to use. If this attribute is not set, the default converter for the current VM will be used. (See the above <a href="#implementationvalues">list</a> of valid converters.)</td> <td align="center" valign="top">No</td> </tr> </table> <h3>Parameters specified as nested elements</h3> <h4>arg</h4> <p>You can specify additional command line arguments for the converter with nested <code><arg></code> elements. These elements are specified like <a href="../using.html#arg">Command-line Arguments</a> but have an additional attribute that can be used to enable arguments only if a given converter implementation will be used.</p> <table border="1" cellpadding="2" cellspacing="0"> <tr> <td width="12%" valign="top"><b>Attribute</b></td> <td width="78%" valign="top"><b>Description</b></td> <td width="10%" valign="top"><b>Required</b></td> </tr> <tr> <td valign="top">value</td> <td align="center" rowspan="4">See <a href="../using.html#arg">Command-line Arguments</a>.</td> <td align="center" rowspan="4">Exactly one of these.</td> </tr> <tr> <td valign="top">line</td> </tr> <tr> <td valign="top">file</td> </tr> <tr> <td valign="top">path</td> </tr> <tr> <td valign="top">implementation</td> <td>Only pass the specified argument if the chosen converter implementation matches the value of this attribute. Legal values are the same as those in the above <a href="#implementationvalues">list</a> of valid compilers.)</td> <td align="center">No</td> </tr> </table> <h4>implementationclasspath <em>since Ant 1.8.0</em></h4> <p>A <a href="../using.html#path">PATH like structure</a> holding the classpath to use when loading the converter implementation if a custom class has been specified. Doesn't have any effect when using one of the built-in converters.</p> <h4>Any nested element of a type that implements Native2AsciiAdapter <em>since Ant 1.8.0</em></h4> <p>If a defined type implements the <code>Native2AsciiAdapter</code> interface a nested element of that type can be used as an alternative to the <code>implementation</code> attribute.</p> <h3>Examples</h3> <pre> <native2ascii encoding="EUCJIS" src="srcdir" dest="srcdir" includes="**/*.eucjis" ext=".java"/> </pre> <p> Converts all files in the directory <em>srcdir</em> ending in <code>.eucjis</code> from the EUCJIS encoding to ASCII and renames them to end in <code>.java</code>. </p> <pre> <native2ascii encoding="EUCJIS" src="native/japanese" dest="src" includes="**/*.java"/> </pre> <p> Converts all the files ending in <code>.java</code> in the directory <em>native/japanese</em> to ASCII, placing the results in the directory <em>src</em>. The names of the files remain the same. </p> <p>If you want to use a custom Native2AsciiAdapter <code>org.example.MyAdapter</code> you can either use the implementation attribute:</p> <pre> <native2ascii encoding="EUCJIS" src="srcdir" dest="srcdir" includes="**/*.eucjis" ext=".java" implementation="org.example.MyAdapter"/> </pre> <p>or a define a type and nest this into the task like in:</p> <pre> <componentdef classname="org.example.MyAdapter" name="myadapter"/> <native2ascii encoding="EUCJIS" src="srcdir" dest="srcdir" includes="**/*.eucjis" ext=".java"> <myadapter/> </native2ascii> </pre> <p>in which case your native2ascii adapter can support attributes and nested elements of its own.</p> </body> </html>
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