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| <h2 title="Interface IInputBuffer" class="title">Interface IInputBuffer</h2> |
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| <dt>All Known Implementing Classes:</dt> |
| <dd><code><a href="LineJavaCoreInputBuffer.html" title="class in com.ibm.dtfj.javacore.parser.framework.input">LineJavaCoreInputBuffer</a></code>, <code><a href="OffsetBasedJavaCoreInputBuffer.html" title="class in com.ibm.dtfj.javacore.parser.framework.input">OffsetBasedJavaCoreInputBuffer</a></code></dd> |
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| <pre>public interface <span class="typeNameLabel">IInputBuffer</span></pre> |
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| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t2" class="tableTab"><span><a href="javascript:show(2);">Instance Methods</a></span><span class="tabEnd"> </span></span><span id="t3" class="tableTab"><span><a href="javascript:show(4);">Abstract Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>char</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#charAt(int)">charAt</a></span>​(int i)</code></th> |
| <td class="colLast"> |
| <div class="block">Retrieves a character at a given position.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#close()">close</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Closes the java.io.Reader or input stream associated with this |
| buffered reader.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#consume(int)">consume</a></span>​(int length)</code></th> |
| <td class="colLast"> |
| <div class="block">Consumes a sublength of the buffer, if the sublength is > 0 and sublength <= buffer length.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#endReached()">endReached</a></span>()</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#length()">length</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">NOTE That the length of the buffer may vary during character consumption, so it cannot be assumed |
| to be fixed all the time.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#nextLine()">nextLine</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Reads the next line if the current buffer is empty.</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
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| <h4>consume</h4> |
| <pre class="methodSignature">int consume​(int length) |
| throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></pre> |
| <div class="block">Consumes a sublength of the buffer, if the sublength is > 0 and sublength <= buffer length. |
| It then reads from the input source to refill the previously freed spaces.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>amount</code> - of characters to consume.</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>return the offset value of the consumed portion. Note that this does not return the new offset after consumption |
| but the offset of the section being consumed.</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></code> - if error occurs while refilling the buffer.</dd> |
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| <h4>close</h4> |
| <pre class="methodSignature">void close() |
| throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></pre> |
| <div class="block">Closes the java.io.Reader or input stream associated with this |
| buffered reader.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></code> - if error encountered while closing.</dd> |
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| <h4>charAt</h4> |
| <pre class="methodSignature">char charAt​(int i)</pre> |
| <div class="block">Retrieves a character at a given position. No consumption occurs. |
| Typically used by an external scanner to determine if a sequence of characters in the buffer |
| matches a desired pattern. If so, the pattern is consumed by a consume method.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>buffer</code> - index where character is located</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>character at specified index</dd> |
| </dl> |
| </li> |
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| <h4>endReached</h4> |
| <pre class="methodSignature">boolean endReached()</pre> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>boolean: determines if everything has been consumed from the reader stream.</dd> |
| </dl> |
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| <h4>nextLine</h4> |
| <pre class="methodSignature">boolean nextLine() |
| throws <a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></pre> |
| <div class="block">Reads the next line if the current buffer is empty. Returns true if a new line read, false otherwise.</div> |
| <dl> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/io/IOException.html?is-external=true" title="class or interface in java.io" class="externalLink" target="_blank">IOException</a></code></dd> |
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| <h4>length</h4> |
| <pre class="methodSignature">int length()</pre> |
| <div class="block">NOTE That the length of the buffer may vary during character consumption, so it cannot be assumed |
| to be fixed all the time.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the length of the buffer</dd> |
| </dl> |
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