Added:
websites/production/commons/content/proper/commons-csv/xref/org/apache/commons/csv/CSVLexer.html
==============================================================================
---
websites/production/commons/content/proper/commons-csv/xref/org/apache/commons/csv/CSVLexer.html
(added)
+++
websites/production/commons/content/proper/commons-csv/xref/org/apache/commons/csv/CSVLexer.html
Thu Mar 21 15:20:15 2013
@@ -0,0 +1,257 @@
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd";>
+<html xmlns="http://www.w3.org/1999/xhtml"; xml:lang="en" lang="en">
+<head>
+<meta http-equiv="content-type" content="text/html; charset=UTF-8" />
+<title>CSVLexer xref</title>
+<link type="text/css" rel="stylesheet" href="../../../../stylesheet.css" />
+</head>
+<body>
+<div id="overview"><a
href="../../../../../apidocs/org/apache/commons/csv/CSVLexer.html">View
Javadoc</a></div><pre>
+
+<a class="jxr_linenumber" name="1" href="#1">1</a> <em
class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_comment">
* Licensed to the Apache Software Foundation (ASF) under one or more</em>
+<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_comment">
* contributor license agreements. See the NOTICE file distributed with</em>
+<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_comment">
* this work for additional information regarding copyright ownership.</em>
+<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_comment">
* The ASF licenses this file to You under the Apache License, Version 2.0</em>
+<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_comment">
* (the "License"); you may not use this file except in compliance with</em>
+<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_comment">
* the License. You may obtain a copy of the License at</em>
+<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_comment">
*</em>
+<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_comment">
* <a href="http://www.apache.org/licenses/LICENSE-2.0";
target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
+<a class="jxr_linenumber" name="10" href="#10">10</a> <em
class="jxr_comment"> *</em>
+<a class="jxr_linenumber" name="11" href="#11">11</a> <em
class="jxr_comment"> * Unless required by applicable law or agreed to in
writing, software</em>
+<a class="jxr_linenumber" name="12" href="#12">12</a> <em
class="jxr_comment"> * distributed under the License is distributed on an "AS
IS" BASIS,</em>
+<a class="jxr_linenumber" name="13" href="#13">13</a> <em
class="jxr_comment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
express or implied.</em>
+<a class="jxr_linenumber" name="14" href="#14">14</a> <em
class="jxr_comment"> * See the License for the specific language governing
permissions and</em>
+<a class="jxr_linenumber" name="15" href="#15">15</a> <em
class="jxr_comment"> * limitations under the License.</em>
+<a class="jxr_linenumber" name="16" href="#16">16</a> <em
class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="17" href="#17">17</a>
+<a class="jxr_linenumber" name="18" href="#18">18</a> <strong
class="jxr_keyword">package</strong> org.apache.commons.csv;
+<a class="jxr_linenumber" name="19" href="#19">19</a>
+<a class="jxr_linenumber" name="20" href="#20">20</a> <strong
class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong>
org.apache.commons.csv.Token.Type.COMMENT;
+<a class="jxr_linenumber" name="21" href="#21">21</a> <strong
class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong>
org.apache.commons.csv.Token.Type.EOF;
+<a class="jxr_linenumber" name="22" href="#22">22</a> <strong
class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong>
org.apache.commons.csv.Token.Type.EORECORD;
+<a class="jxr_linenumber" name="23" href="#23">23</a> <strong
class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong>
org.apache.commons.csv.Token.Type.INVALID;
+<a class="jxr_linenumber" name="24" href="#24">24</a> <strong
class="jxr_keyword">import</strong> <strong class="jxr_keyword">static</strong>
org.apache.commons.csv.Token.Type.TOKEN;
+<a class="jxr_linenumber" name="25" href="#25">25</a>
+<a class="jxr_linenumber" name="26" href="#26">26</a> <strong
class="jxr_keyword">import</strong> java.io.IOException;
+<a class="jxr_linenumber" name="27" href="#27">27</a>
+<a class="jxr_linenumber" name="28" href="#28">28</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="29" href="#29">29</a> <em
class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="30" href="#30">30</a> <em
class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="31" href="#31">31</a> <em
class="jxr_javadoccomment"> * @version $Id$</em>
+<a class="jxr_linenumber" name="32" href="#32">32</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="33" href="#33">33</a> <strong
class="jxr_keyword">final</strong> <strong class="jxr_keyword">class</strong>
<a href="../../../../org/apache/commons/csv/CSVLexer.html">CSVLexer</a> <strong
class="jxr_keyword">extends</strong> <a
href="../../../../org/apache/commons/csv/Lexer.html">Lexer</a> {
+<a class="jxr_linenumber" name="34" href="#34">34</a>
+<a class="jxr_linenumber" name="35" href="#35">35</a> <em
class="jxr_javadoccomment">/**</em><em class="jxr_javadoccomment"> INTERNAL
API. ctor needs to be public so can be called dynamically by PerformanceTest
class */</em>
+<a class="jxr_linenumber" name="36" href="#36">36</a> <strong
class="jxr_keyword">public</strong> <a
href="../../../../org/apache/commons/csv/CSVLexer.html">CSVLexer</a>(<strong
class="jxr_keyword">final</strong> <a
href="../../../../org/apache/commons/csv/CSVFormat.html">CSVFormat</a> format,
<strong class="jxr_keyword">final</strong> <a
href="../../../../org/apache/commons/csv/ExtendedBufferedReader.html">ExtendedBufferedReader</a>
in) {
+<a class="jxr_linenumber" name="37" href="#37">37</a> <strong
class="jxr_keyword">super</strong>(format, in);
+<a class="jxr_linenumber" name="38" href="#38">38</a> }
+<a class="jxr_linenumber" name="39" href="#39">39</a>
+<a class="jxr_linenumber" name="40" href="#40">40</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="41" href="#41">41</a> <em
class="jxr_javadoccomment"> * Returns the next token.</em>
+<a class="jxr_linenumber" name="42" href="#42">42</a> <em
class="jxr_javadoccomment"> * <p/></em>
+<a class="jxr_linenumber" name="43" href="#43">43</a> <em
class="jxr_javadoccomment"> * A token corresponds to a term, a record
change or an end-of-file indicator.</em>
+<a class="jxr_linenumber" name="44" href="#44">44</a> <em
class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="45" href="#45">45</a> <em
class="jxr_javadoccomment"> * @param token</em>
+<a class="jxr_linenumber" name="46" href="#46">46</a> <em
class="jxr_javadoccomment"> * an existing Token object to reuse.
The caller is responsible to initialize the Token.</em>
+<a class="jxr_linenumber" name="47" href="#47">47</a> <em
class="jxr_javadoccomment"> * @return the next token found</em>
+<a class="jxr_linenumber" name="48" href="#48">48</a> <em
class="jxr_javadoccomment"> * @throws java.io.IOException</em>
+<a class="jxr_linenumber" name="49" href="#49">49</a> <em
class="jxr_javadoccomment"> * on stream access error</em>
+<a class="jxr_linenumber" name="50" href="#50">50</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="51" href="#51">51</a> @Override
+<a class="jxr_linenumber" name="52" href="#52">52</a> <a
href="../../../../org/apache/commons/csv/Token.html">Token</a>
nextToken(<strong class="jxr_keyword">final</strong> <a
href="../../../../org/apache/commons/csv/Token.html">Token</a> token) <strong
class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="53" href="#53">53</a>
+<a class="jxr_linenumber" name="54" href="#54">54</a> <em
class="jxr_comment">// get the last read char (required for empty line
detection)</em>
+<a class="jxr_linenumber" name="55" href="#55">55</a> <strong
class="jxr_keyword">int</strong> lastChar = in.getLastChar();
+<a class="jxr_linenumber" name="56" href="#56">56</a>
+<a class="jxr_linenumber" name="57" href="#57">57</a> <em
class="jxr_comment">// read the next char and set eol</em>
+<a class="jxr_linenumber" name="58" href="#58">58</a> <strong
class="jxr_keyword">int</strong> c = in.read();
+<a class="jxr_linenumber" name="59" href="#59">59</a> <em
class="jxr_comment">/*</em>
+<a class="jxr_linenumber" name="60" href="#60">60</a> <em
class="jxr_comment"> * Note: The following call will swallow LF if c ==
CR. But we don't need to know if the last char was CR or LF</em>
+<a class="jxr_linenumber" name="61" href="#61">61</a> <em
class="jxr_comment"> * - they are equivalent here.</em>
+<a class="jxr_linenumber" name="62" href="#62">62</a> <em
class="jxr_comment"> */</em>
+<a class="jxr_linenumber" name="63" href="#63">63</a> <strong
class="jxr_keyword">boolean</strong> eol = readEndOfLine(c);
+<a class="jxr_linenumber" name="64" href="#64">64</a>
+<a class="jxr_linenumber" name="65" href="#65">65</a> <em
class="jxr_comment">// empty line detection: eol AND (last char was EOL or
beginning)</em>
+<a class="jxr_linenumber" name="66" href="#66">66</a> <strong
class="jxr_keyword">if</strong> (ignoreEmptyLines) {
+<a class="jxr_linenumber" name="67" href="#67">67</a> <strong
class="jxr_keyword">while</strong> (eol && isStartOfLine(lastChar)) {
+<a class="jxr_linenumber" name="68" href="#68">68</a> <em
class="jxr_comment">// go on char ahead ...</em>
+<a class="jxr_linenumber" name="69" href="#69">69</a>
lastChar = c;
+<a class="jxr_linenumber" name="70" href="#70">70</a> c =
in.read();
+<a class="jxr_linenumber" name="71" href="#71">71</a> eol =
readEndOfLine(c);
+<a class="jxr_linenumber" name="72" href="#72">72</a> <em
class="jxr_comment">// reached end of file without any content (empty line at
the end)</em>
+<a class="jxr_linenumber" name="73" href="#73">73</a> <strong
class="jxr_keyword">if</strong> (isEndOfFile(c)) {
+<a class="jxr_linenumber" name="74" href="#74">74</a>
token.type = EOF;
+<a class="jxr_linenumber" name="75" href="#75">75</a> <em
class="jxr_comment">// don't set tkn.isReady here because no content</em>
+<a class="jxr_linenumber" name="76" href="#76">76</a>
<strong class="jxr_keyword">return</strong> token;
+<a class="jxr_linenumber" name="77" href="#77">77</a> }
+<a class="jxr_linenumber" name="78" href="#78">78</a> }
+<a class="jxr_linenumber" name="79" href="#79">79</a> }
+<a class="jxr_linenumber" name="80" href="#80">80</a>
+<a class="jxr_linenumber" name="81" href="#81">81</a> <em
class="jxr_comment">// did we reach eof during the last iteration already ?
EOF</em>
+<a class="jxr_linenumber" name="82" href="#82">82</a> <strong
class="jxr_keyword">if</strong> (isEndOfFile(lastChar) ||
(!isDelimiter(lastChar) && isEndOfFile(c))) {
+<a class="jxr_linenumber" name="83" href="#83">83</a> token.type
= EOF;
+<a class="jxr_linenumber" name="84" href="#84">84</a> <em
class="jxr_comment">// don't set tkn.isReady here because no content</em>
+<a class="jxr_linenumber" name="85" href="#85">85</a> <strong
class="jxr_keyword">return</strong> token;
+<a class="jxr_linenumber" name="86" href="#86">86</a> }
+<a class="jxr_linenumber" name="87" href="#87">87</a>
+<a class="jxr_linenumber" name="88" href="#88">88</a> <strong
class="jxr_keyword">if</strong> (isStartOfLine(lastChar) &&
isCommentStart(c)) {
+<a class="jxr_linenumber" name="89" href="#89">89</a> <strong
class="jxr_keyword">final</strong> String comment = in.readLine().trim();
+<a class="jxr_linenumber" name="90" href="#90">90</a>
token.content.append(comment);
+<a class="jxr_linenumber" name="91" href="#91">91</a> token.type
= COMMENT;
+<a class="jxr_linenumber" name="92" href="#92">92</a> <strong
class="jxr_keyword">return</strong> token;
+<a class="jxr_linenumber" name="93" href="#93">93</a> }
+<a class="jxr_linenumber" name="94" href="#94">94</a>
+<a class="jxr_linenumber" name="95" href="#95">95</a> <em
class="jxr_comment">// important: make sure a new char gets consumed in each
iteration</em>
+<a class="jxr_linenumber" name="96" href="#96">96</a> <strong
class="jxr_keyword">while</strong> (token.type == INVALID) {
+<a class="jxr_linenumber" name="97" href="#97">97</a> <em
class="jxr_comment">// ignore whitespaces at beginning of a token</em>
+<a class="jxr_linenumber" name="98" href="#98">98</a> <strong
class="jxr_keyword">if</strong> (ignoreSurroundingSpaces) {
+<a class="jxr_linenumber" name="99" href="#99">99</a> <strong
class="jxr_keyword">while</strong> (isWhitespace(c) && !eol) {
+<a class="jxr_linenumber" name="100" href="#100">100</a> c
= in.read();
+<a class="jxr_linenumber" name="101" href="#101">101</a>
eol = readEndOfLine(c);
+<a class="jxr_linenumber" name="102" href="#102">102</a> }
+<a class="jxr_linenumber" name="103" href="#103">103</a> }
+<a class="jxr_linenumber" name="104" href="#104">104</a>
+<a class="jxr_linenumber" name="105" href="#105">105</a> <em
class="jxr_comment">// ok, start of token reached: encapsulated, or token</em>
+<a class="jxr_linenumber" name="106" href="#106">106</a> <strong
class="jxr_keyword">if</strong> (isDelimiter(c)) {
+<a class="jxr_linenumber" name="107" href="#107">107</a> <em
class="jxr_comment">// empty token return TOKEN("")</em>
+<a class="jxr_linenumber" name="108" href="#108">108</a>
token.type = TOKEN;
+<a class="jxr_linenumber" name="109" href="#109">109</a> } <strong
class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (eol)
{
+<a class="jxr_linenumber" name="110" href="#110">110</a> <em
class="jxr_comment">// empty token return EORECORD("")</em>
+<a class="jxr_linenumber" name="111" href="#111">111</a> <em
class="jxr_comment">// noop: tkn.content.append("");</em>
+<a class="jxr_linenumber" name="112" href="#112">112</a>
token.type = EORECORD;
+<a class="jxr_linenumber" name="113" href="#113">113</a> } <strong
class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong>
(isQuoteChar(c)) {
+<a class="jxr_linenumber" name="114" href="#114">114</a> <em
class="jxr_comment">// consume encapsulated token</em>
+<a class="jxr_linenumber" name="115" href="#115">115</a>
encapsulatedTokenLexer(token);
+<a class="jxr_linenumber" name="116" href="#116">116</a> } <strong
class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong>
(isEndOfFile(c)) {
+<a class="jxr_linenumber" name="117" href="#117">117</a> <em
class="jxr_comment">// end of file return EOF()</em>
+<a class="jxr_linenumber" name="118" href="#118">118</a> <em
class="jxr_comment">// noop: tkn.content.append("");</em>
+<a class="jxr_linenumber" name="119" href="#119">119</a>
token.type = EOF;
+<a class="jxr_linenumber" name="120" href="#120">120</a>
token.isReady = <strong class="jxr_keyword">true</strong>; <em
class="jxr_comment">// there is data at EOF</em>
+<a class="jxr_linenumber" name="121" href="#121">121</a> } <strong
class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="122" href="#122">122</a> <em
class="jxr_comment">// next token must be a simple token</em>
+<a class="jxr_linenumber" name="123" href="#123">123</a> <em
class="jxr_comment">// add removed blanks when not ignoring whitespace
chars...</em>
+<a class="jxr_linenumber" name="124" href="#124">124</a>
simpleTokenLexer(token, c);
+<a class="jxr_linenumber" name="125" href="#125">125</a> }
+<a class="jxr_linenumber" name="126" href="#126">126</a> }
+<a class="jxr_linenumber" name="127" href="#127">127</a> <strong
class="jxr_keyword">return</strong> token;
+<a class="jxr_linenumber" name="128" href="#128">128</a> }
+<a class="jxr_linenumber" name="129" href="#129">129</a>
+<a class="jxr_linenumber" name="130" href="#130">130</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="131" href="#131">131</a> <em
class="jxr_javadoccomment"> * A simple token lexer</em>
+<a class="jxr_linenumber" name="132" href="#132">132</a> <em
class="jxr_javadoccomment"> * <p/></em>
+<a class="jxr_linenumber" name="133" href="#133">133</a> <em
class="jxr_javadoccomment"> * Simple token are tokens which are not
surrounded by encapsulators. A simple token might contain escaped</em>
+<a class="jxr_linenumber" name="134" href="#134">134</a> <em
class="jxr_javadoccomment"> * delimiters (as \, or \;). The token is
finished when one of the following conditions become true:</em>
+<a class="jxr_linenumber" name="135" href="#135">135</a> <em
class="jxr_javadoccomment"> * <ul></em>
+<a class="jxr_linenumber" name="136" href="#136">136</a> <em
class="jxr_javadoccomment"> * <li>end of line has been reached
(EORECORD)</li></em>
+<a class="jxr_linenumber" name="137" href="#137">137</a> <em
class="jxr_javadoccomment"> * <li>end of stream has been reached
(EOF)</li></em>
+<a class="jxr_linenumber" name="138" href="#138">138</a> <em
class="jxr_javadoccomment"> * <li>an unescaped delimiter has been
reached (TOKEN)</li></em>
+<a class="jxr_linenumber" name="139" href="#139">139</a> <em
class="jxr_javadoccomment"> * </ul></em>
+<a class="jxr_linenumber" name="140" href="#140">140</a> <em
class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="141" href="#141">141</a> <em
class="jxr_javadoccomment"> * @param tkn</em>
+<a class="jxr_linenumber" name="142" href="#142">142</a> <em
class="jxr_javadoccomment"> * the current token</em>
+<a class="jxr_linenumber" name="143" href="#143">143</a> <em
class="jxr_javadoccomment"> * @param c</em>
+<a class="jxr_linenumber" name="144" href="#144">144</a> <em
class="jxr_javadoccomment"> * the current character</em>
+<a class="jxr_linenumber" name="145" href="#145">145</a> <em
class="jxr_javadoccomment"> * @return the filled token</em>
+<a class="jxr_linenumber" name="146" href="#146">146</a> <em
class="jxr_javadoccomment"> * @throws IOException</em>
+<a class="jxr_linenumber" name="147" href="#147">147</a> <em
class="jxr_javadoccomment"> * on stream access error</em>
+<a class="jxr_linenumber" name="148" href="#148">148</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="149" href="#149">149</a> <strong
class="jxr_keyword">private</strong> <a
href="../../../../org/apache/commons/csv/Token.html">Token</a>
simpleTokenLexer(<strong class="jxr_keyword">final</strong> <a
href="../../../../org/apache/commons/csv/Token.html">Token</a> tkn, <strong
class="jxr_keyword">int</strong> c) <strong class="jxr_keyword">throws</strong>
IOException {
+<a class="jxr_linenumber" name="150" href="#150">150</a> <em
class="jxr_comment">// Faster to use while(true)+break than while(tkn.type ==
INVALID)</em>
+<a class="jxr_linenumber" name="151" href="#151">151</a> <strong
class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>) {
+<a class="jxr_linenumber" name="152" href="#152">152</a> <strong
class="jxr_keyword">if</strong> (readEndOfLine(c)) {
+<a class="jxr_linenumber" name="153" href="#153">153</a>
tkn.type = EORECORD;
+<a class="jxr_linenumber" name="154" href="#154">154</a>
<strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="155" href="#155">155</a> } <strong
class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong>
(isEndOfFile(c)) {
+<a class="jxr_linenumber" name="156" href="#156">156</a>
tkn.type = EOF;
+<a class="jxr_linenumber" name="157" href="#157">157</a>
tkn.isReady = <strong class="jxr_keyword">true</strong>; <em
class="jxr_comment">// There is data at EOF</em>
+<a class="jxr_linenumber" name="158" href="#158">158</a>
<strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="159" href="#159">159</a> } <strong
class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong>
(isDelimiter(c)) {
+<a class="jxr_linenumber" name="160" href="#160">160</a>
tkn.type = TOKEN;
+<a class="jxr_linenumber" name="161" href="#161">161</a>
<strong class="jxr_keyword">break</strong>;
+<a class="jxr_linenumber" name="162" href="#162">162</a> } <strong
class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong>
(isEscape(c)) {
+<a class="jxr_linenumber" name="163" href="#163">163</a>
tkn.content.append((<strong class="jxr_keyword">char</strong>) readEscape());
+<a class="jxr_linenumber" name="164" href="#164">164</a> c =
in.read(); <em class="jxr_comment">// continue</em>
+<a class="jxr_linenumber" name="165" href="#165">165</a> } <strong
class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="166" href="#166">166</a>
tkn.content.append((<strong class="jxr_keyword">char</strong>) c);
+<a class="jxr_linenumber" name="167" href="#167">167</a> c =
in.read(); <em class="jxr_comment">// continue</em>
+<a class="jxr_linenumber" name="168" href="#168">168</a> }
+<a class="jxr_linenumber" name="169" href="#169">169</a> }
+<a class="jxr_linenumber" name="170" href="#170">170</a>
+<a class="jxr_linenumber" name="171" href="#171">171</a> <strong
class="jxr_keyword">if</strong> (ignoreSurroundingSpaces) {
+<a class="jxr_linenumber" name="172" href="#172">172</a>
trimTrailingSpaces(tkn.content);
+<a class="jxr_linenumber" name="173" href="#173">173</a> }
+<a class="jxr_linenumber" name="174" href="#174">174</a>
+<a class="jxr_linenumber" name="175" href="#175">175</a> <strong
class="jxr_keyword">return</strong> tkn;
+<a class="jxr_linenumber" name="176" href="#176">176</a> }
+<a class="jxr_linenumber" name="177" href="#177">177</a>
+<a class="jxr_linenumber" name="178" href="#178">178</a> <em
class="jxr_javadoccomment">/**</em>
+<a class="jxr_linenumber" name="179" href="#179">179</a> <em
class="jxr_javadoccomment"> * An encapsulated token lexer</em>
+<a class="jxr_linenumber" name="180" href="#180">180</a> <em
class="jxr_javadoccomment"> * <p/></em>
+<a class="jxr_linenumber" name="181" href="#181">181</a> <em
class="jxr_javadoccomment"> * Encapsulated tokens are surrounded by the
given encapsulating-string. The encapsulator itself might be included</em>
+<a class="jxr_linenumber" name="182" href="#182">182</a> <em
class="jxr_javadoccomment"> * in the token using a doubling syntax (as "",
'') or using escaping (as in \", \'). Whitespaces before and after</em>
+<a class="jxr_linenumber" name="183" href="#183">183</a> <em
class="jxr_javadoccomment"> * an encapsulated token are ignored. The token
is finished when one of the following conditions become true:</em>
+<a class="jxr_linenumber" name="184" href="#184">184</a> <em
class="jxr_javadoccomment"> * <ul></em>
+<a class="jxr_linenumber" name="185" href="#185">185</a> <em
class="jxr_javadoccomment"> * <li>an unescaped encapsulator has been
reached, and is followed by optional whitespace then:</li></em>
+<a class="jxr_linenumber" name="186" href="#186">186</a> <em
class="jxr_javadoccomment"> * <ul></em>
+<a class="jxr_linenumber" name="187" href="#187">187</a> <em
class="jxr_javadoccomment"> * <li>delimiter (TOKEN)</li></em>
+<a class="jxr_linenumber" name="188" href="#188">188</a> <em
class="jxr_javadoccomment"> * <li>end of line
(EORECORD)</li></em>
+<a class="jxr_linenumber" name="189" href="#189">189</a> <em
class="jxr_javadoccomment"> * </ul></em>
+<a class="jxr_linenumber" name="190" href="#190">190</a> <em
class="jxr_javadoccomment"> * <li>end of stream has been reached
(EOF)</li> </ul></em>
+<a class="jxr_linenumber" name="191" href="#191">191</a> <em
class="jxr_javadoccomment"> *</em>
+<a class="jxr_linenumber" name="192" href="#192">192</a> <em
class="jxr_javadoccomment"> * @param tkn</em>
+<a class="jxr_linenumber" name="193" href="#193">193</a> <em
class="jxr_javadoccomment"> * the current token</em>
+<a class="jxr_linenumber" name="194" href="#194">194</a> <em
class="jxr_javadoccomment"> * @return a valid token object</em>
+<a class="jxr_linenumber" name="195" href="#195">195</a> <em
class="jxr_javadoccomment"> * @throws IOException</em>
+<a class="jxr_linenumber" name="196" href="#196">196</a> <em
class="jxr_javadoccomment"> * on invalid state: EOF before
closing encapsulator or invalid character before delimiter or EOL</em>
+<a class="jxr_linenumber" name="197" href="#197">197</a> <em
class="jxr_javadoccomment"> */</em>
+<a class="jxr_linenumber" name="198" href="#198">198</a> <strong
class="jxr_keyword">private</strong> <a
href="../../../../org/apache/commons/csv/Token.html">Token</a>
encapsulatedTokenLexer(<strong class="jxr_keyword">final</strong> <a
href="../../../../org/apache/commons/csv/Token.html">Token</a> tkn) <strong
class="jxr_keyword">throws</strong> IOException {
+<a class="jxr_linenumber" name="199" href="#199">199</a> <em
class="jxr_comment">// save current line number in case needed for IOE</em>
+<a class="jxr_linenumber" name="200" href="#200">200</a> <strong
class="jxr_keyword">final</strong> <strong class="jxr_keyword">long</strong>
startLineNumber = getLineNumber();
+<a class="jxr_linenumber" name="201" href="#201">201</a> <strong
class="jxr_keyword">int</strong> c;
+<a class="jxr_linenumber" name="202" href="#202">202</a> <strong
class="jxr_keyword">while</strong> (<strong class="jxr_keyword">true</strong>) {
+<a class="jxr_linenumber" name="203" href="#203">203</a> c =
in.read();
+<a class="jxr_linenumber" name="204" href="#204">204</a>
+<a class="jxr_linenumber" name="205" href="#205">205</a> <strong
class="jxr_keyword">if</strong> (isEscape(c)) {
+<a class="jxr_linenumber" name="206" href="#206">206</a>
tkn.content.append((<strong class="jxr_keyword">char</strong>) readEscape());
+<a class="jxr_linenumber" name="207" href="#207">207</a> } <strong
class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong>
(isQuoteChar(c)) {
+<a class="jxr_linenumber" name="208" href="#208">208</a>
<strong class="jxr_keyword">if</strong> (isQuoteChar(in.lookAhead())) {
+<a class="jxr_linenumber" name="209" href="#209">209</a>
<em class="jxr_comment">// double or escaped encapsulator -> add single
encapsulator to token</em>
+<a class="jxr_linenumber" name="210" href="#210">210</a> c
= in.read();
+<a class="jxr_linenumber" name="211" href="#211">211</a>
tkn.content.append((<strong class="jxr_keyword">char</strong>) c);
+<a class="jxr_linenumber" name="212" href="#212">212</a> }
<strong class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="213" href="#213">213</a>
<em class="jxr_comment">// token finish mark (encapsulator) reached: ignore
whitespace till delimiter</em>
+<a class="jxr_linenumber" name="214" href="#214">214</a>
<strong class="jxr_keyword">while</strong> (<strong
class="jxr_keyword">true</strong>) {
+<a class="jxr_linenumber" name="215" href="#215">215</a>
c = in.read();
+<a class="jxr_linenumber" name="216" href="#216">216</a>
<strong class="jxr_keyword">if</strong> (isDelimiter(c)) {
+<a class="jxr_linenumber" name="217" href="#217">217</a>
tkn.type = TOKEN;
+<a class="jxr_linenumber" name="218" href="#218">218</a>
<strong class="jxr_keyword">return</strong> tkn;
+<a class="jxr_linenumber" name="219" href="#219">219</a>
} <strong class="jxr_keyword">else</strong> <strong
class="jxr_keyword">if</strong> (isEndOfFile(c)) {
+<a class="jxr_linenumber" name="220" href="#220">220</a>
tkn.type = EOF;
+<a class="jxr_linenumber" name="221" href="#221">221</a>
tkn.isReady = <strong class="jxr_keyword">true</strong>; <em
class="jxr_comment">// There is data at EOF</em>
+<a class="jxr_linenumber" name="222" href="#222">222</a>
<strong class="jxr_keyword">return</strong> tkn;
+<a class="jxr_linenumber" name="223" href="#223">223</a>
} <strong class="jxr_keyword">else</strong> <strong
class="jxr_keyword">if</strong> (readEndOfLine(c)) {
+<a class="jxr_linenumber" name="224" href="#224">224</a>
tkn.type = EORECORD;
+<a class="jxr_linenumber" name="225" href="#225">225</a>
<strong class="jxr_keyword">return</strong> tkn;
+<a class="jxr_linenumber" name="226" href="#226">226</a>
} <strong class="jxr_keyword">else</strong> <strong
class="jxr_keyword">if</strong> (!isWhitespace(c)) {
+<a class="jxr_linenumber" name="227" href="#227">227</a>
<em class="jxr_comment">// error invalid char between token and next
delimiter</em>
+<a class="jxr_linenumber" name="228" href="#228">228</a>
<strong class="jxr_keyword">throw</strong> <strong
class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"(line
"</span> + getLineNumber() +
+<a class="jxr_linenumber" name="229" href="#229">229</a>
<span class="jxr_string">") invalid char between encapsulated
token and delimiter"</span>);
+<a class="jxr_linenumber" name="230" href="#230">230</a>
}
+<a class="jxr_linenumber" name="231" href="#231">231</a> }
+<a class="jxr_linenumber" name="232" href="#232">232</a> }
+<a class="jxr_linenumber" name="233" href="#233">233</a> } <strong
class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong>
(isEndOfFile(c)) {
+<a class="jxr_linenumber" name="234" href="#234">234</a> <em
class="jxr_comment">// error condition (end of file before end of token)</em>
+<a class="jxr_linenumber" name="235" href="#235">235</a>
<strong class="jxr_keyword">throw</strong> <strong
class="jxr_keyword">new</strong> IOException(<span
class="jxr_string">"(startline "</span> + startLineNumber +
+<a class="jxr_linenumber" name="236" href="#236">236</a>
<span class="jxr_string">") EOF reached before encapsulated token
finished"</span>);
+<a class="jxr_linenumber" name="237" href="#237">237</a> } <strong
class="jxr_keyword">else</strong> {
+<a class="jxr_linenumber" name="238" href="#238">238</a> <em
class="jxr_comment">// consume character</em>
+<a class="jxr_linenumber" name="239" href="#239">239</a>
tkn.content.append((<strong class="jxr_keyword">char</strong>) c);
+<a class="jxr_linenumber" name="240" href="#240">240</a> }
+<a class="jxr_linenumber" name="241" href="#241">241</a> }
+<a class="jxr_linenumber" name="242" href="#242">242</a> }
+<a class="jxr_linenumber" name="243" href="#243">243</a>
+<a class="jxr_linenumber" name="244" href="#244">244</a> }
+</pre>
+<hr/><div id="footer">This page was automatically generated by <a
href="http://maven.apache.org/";>Maven</a></div></body>
+</html>
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